spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2014 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <regex.h>
  85 #include <signal.h>
  86 #include <stdbool.h>
  87 #include <stdio.h>
  88 #include <stdlib.h>
  89 #include <string.h>
  90 #include <time.h>
  91 #include <unistd.h>
  92 #include <util.h>
  93 #include <X11/cursorfont.h>
  94 #include <X11/extensions/Xrandr.h>
  95 #include <X11/Xcursor/Xcursor.h>
  96 #include <X11/Xft/Xft.h>
  97 #include <X11/Xlib-xcb.h>
  98 #include <xcb/xcb_atom.h>
  99 #include <xcb/xcb_aux.h>
 100 #include <xcb/xcb_event.h>
 101 #include <xcb/xcb_icccm.h>
 102 #include <xcb/xcb_keysyms.h>
 103 #include <xcb/xtest.h>
 104 #include <xcb/randr.h>
 105
 106 /* local includes */
 107 #include "version.h"
 108 #ifdef __OSX__
 109 #include <osx.h>
 110 #endif
 111
 112 #ifdef SPECTRWM_BUILDSTR
 113 static const char       *buildstr = SPECTRWM_BUILDSTR;
 114 #else
 115 static const char       *buildstr = SPECTRWM_VERSION;
 116 #endif
 117
 118 #if !defined(__CYGWIN__) /* cygwin chokes on randr stuff */
 119 #  if RANDR_MAJOR < 1
 120 #    error RandR versions less than 1.0 are not supported
 121 #endif
 122
 123 #  if RANDR_MAJOR >= 1
 124 #    if RANDR_MINOR >= 2
 125 #      define SWM_XRR_HAS_CRTC
 126 #    endif
 127 #  endif
 128 #endif /* __CYGWIN__ */
 129
 130 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 131 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 133 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 134 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 135 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 136 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 137 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 138 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 139 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 140 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 141 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 142 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 143 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 144 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 145 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 146 #define xcb_icccm_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 147 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 148 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 149 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 150 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 151 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 152 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 153 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 154 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 155 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 156 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 157 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 158 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 159 #endif
 160
 161 /*#define SWM_DEBUG*/
 162 #ifdef SWM_DEBUG
 163 #define DPRINTF(x...) do {                                                      \
 164         if (swm_debug)                                                          \
 165                 fprintf(stderr, x);                                             \
 166 } while (0)
 167 #define DNPRINTF(n,x...) do {                                                   \
 168         if (swm_debug & n) {                                                    \
 169                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 170                 fprintf(stderr, x);                                             \
 171         }                                                                       \
 172 } while (0)
 173 #define SWM_D_MISC              0x0001
 174 #define SWM_D_EVENT             0x0002
 175 #define SWM_D_WS                0x0004
 176 #define SWM_D_FOCUS             0x0008
 177 #define SWM_D_MOVE              0x0010
 178 #define SWM_D_STACK             0x0020
 179 #define SWM_D_MOUSE             0x0040
 180 #define SWM_D_PROP              0x0080
 181 #define SWM_D_CLASS             0x0100
 182 #define SWM_D_KEY               0x0200
 183 #define SWM_D_QUIRK             0x0400
 184 #define SWM_D_SPAWN             0x0800
 185 #define SWM_D_EVENTQ            0x1000
 186 #define SWM_D_CONF              0x2000
 187 #define SWM_D_BAR               0x4000
 188 #define SWM_D_INIT              0x8000
 189
 190 uint32_t                swm_debug = 0
 191                             | SWM_D_MISC
 192                             | SWM_D_EVENT
 193                             | SWM_D_WS
 194                             | SWM_D_FOCUS
 195                             | SWM_D_MOVE
 196                             | SWM_D_STACK
 197                             | SWM_D_MOUSE
 198                             | SWM_D_PROP
 199                             | SWM_D_CLASS
 200                             | SWM_D_KEY
 201                             | SWM_D_QUIRK
 202                             | SWM_D_SPAWN
 203                             | SWM_D_EVENTQ
 204                             | SWM_D_CONF
 205                             | SWM_D_BAR
 206                             | SWM_D_INIT
 207                             ;
 208 #else
 209 #define DPRINTF(x...)
 210 #define DNPRINTF(n,x...)
 211 #endif
 212
 213 #define SWM_EWMH_ACTION_COUNT_MAX       (8)
 214 #define EWMH_F_FULLSCREEN               (0x001)
 215 #define EWMH_F_ABOVE                    (0x002)
 216 #define EWMH_F_HIDDEN                   (0x004)
 217 #define EWMH_F_MAXIMIZED_VERT           (0x008)
 218 #define EWMH_F_MAXIMIZED_HORZ           (0x010)
 219 #define EWMH_F_SKIP_PAGER               (0x020)
 220 #define EWMH_F_SKIP_TASKBAR             (0x040)
 221 #define SWM_F_MANUAL                    (0x080)
 222
 223 #define EWMH_F_MAXIMIZED        (EWMH_F_MAXIMIZED_VERT | EWMH_F_MAXIMIZED_HORZ)
 224
 225 /* convert 8-bit to 16-bit */
 226 #define RGB_8_TO_16(col)        (((col) << 8) + (col))
 227
 228 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 229         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 230         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 231         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 232         xrc.alpha = 0xffff;
 233
 234 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 235 #define MODKEY                  XCB_MOD_MASK_1
 236 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 237 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 238     XCB_EVENT_MASK_BUTTON_RELEASE)
 239 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 240 #define SWM_PROPLEN             (16)
 241 #define SWM_FUNCNAME_LEN        (32)
 242 #define SWM_KEYS_LEN            (255)
 243 #define SWM_QUIRK_LEN           (64)
 244 #define X(r)                    ((r)->g.x)
 245 #define Y(r)                    ((r)->g.y)
 246 #define WIDTH(r)                ((r)->g.w)
 247 #define HEIGHT(r)               ((r)->g.h)
 248 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 249 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 250 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 251 #define SH_MIN(w)               ((w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE)
 252 #define SH_MIN_W(w)             ((w)->sh.min_width)
 253 #define SH_MIN_H(w)             ((w)->sh.min_height)
 254 #define SH_MAX(w)               ((w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE)
 255 #define SH_MAX_W(w)             ((w)->sh.max_width)
 256 #define SH_MAX_H(w)             ((w)->sh.max_height)
 257 #define SH_INC(w)               ((w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC)
 258 #define SH_INC_W(w)             ((w)->sh.width_inc)
 259 #define SH_INC_H(w)             ((w)->sh.height_inc)
 260 #define SWM_MAX_FONT_STEPS      (3)
 261 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 262 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 263 #define YESNO(x)                ((x) ? "yes" : "no")
 264 #define ICONIC(w)               ((w)->ewmh_flags & EWMH_F_HIDDEN)
 265 #define ABOVE(w)                ((w)->ewmh_flags & EWMH_F_ABOVE)
 266 #define FULLSCREEN(w)           ((w)->ewmh_flags & EWMH_F_FULLSCREEN)
 267 #define MAXIMIZED_VERT(w)       ((w)->ewmh_flags & EWMH_F_MAXIMIZED_VERT)
 268 #define MAXIMIZED_HORZ(w)       ((w)->ewmh_flags & EWMH_F_MAXIMIZED_HORZ)
 269 #define MAXIMIZED(w)            (MAXIMIZED_VERT(w) || MAXIMIZED_HORZ(w))
 270 #define MANUAL(w)               ((w)->ewmh_flags & SWM_F_MANUAL)
 271 #define TRANS(w)                ((w)->transient != XCB_WINDOW_NONE)
 272 #define FLOATING(w)             (ABOVE(w) || TRANS(w) || FULLSCREEN(w) ||      \
 273     MAXIMIZED(w))
 274
 275 /* Constrain Window flags */
 276 #define SWM_CW_RESIZABLE        (0x01)
 277 #define SWM_CW_SOFTBOUNDARY     (0x02)
 278 #define SWM_CW_HARDBOUNDARY     (0x04)
 279 #define SWM_CW_RIGHT            (0x10)
 280 #define SWM_CW_LEFT             (0x20)
 281 #define SWM_CW_BOTTOM           (0x40)
 282 #define SWM_CW_TOP              (0x80)
 283 #define SWM_CW_ALLSIDES         (0xf0)
 284
 285 #define SWM_FOCUS_DEFAULT       (0)
 286 #define SWM_FOCUS_FOLLOW        (1)
 287 #define SWM_FOCUS_MANUAL        (2)
 288
 289 #define SWM_CK_NONE             (0)
 290 #define SWM_CK_ALL              (0xf)
 291 #define SWM_CK_FOCUS            (0x1)
 292 #define SWM_CK_POINTER          (0x2)
 293 #define SWM_CK_FALLBACK         (0x4)
 294 #define SWM_CK_REGION           (0x8)
 295
 296 #define SWM_G_ALL               (0xf)
 297 #define SWM_G_SIZE              (0x1)
 298 #define SWM_G_POS               (0x2)
 299
 300 #define SWM_CONF_DEFAULT        (0)
 301 #define SWM_CONF_KEYMAPPING     (1)
 302
 303 #ifndef SWM_LIB
 304 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 305 #endif
 306
 307 char                    **start_argv;
 308 xcb_atom_t              a_state;
 309 xcb_atom_t              a_prot;
 310 xcb_atom_t              a_delete;
 311 xcb_atom_t              a_net_wm_check;
 312 xcb_atom_t              a_net_supported;
 313 xcb_atom_t              a_takefocus;
 314 xcb_atom_t              a_utf8_string;
 315 xcb_atom_t              a_swm_ws;
 316 volatile sig_atomic_t   running = 1;
 317 volatile sig_atomic_t   restart_wm = 0;
 318 xcb_timestamp_t         last_event_time = 0;
 319 int                     outputs = 0;
 320 bool                    randr_support;
 321 int                     randr_eventbase;
 322 unsigned int            numlockmask = 0;
 323
 324 Display                 *display;
 325 xcb_connection_t        *conn;
 326 xcb_key_symbols_t       *syms;
 327
 328 int                     boundary_width = 50;
 329 bool                    cycle_empty = false;
 330 bool                    cycle_visible = false;
 331 int                     term_width = 0;
 332 int                     font_adjusted = 0;
 333 unsigned int            mod_key = MODKEY;
 334 bool                    warp_pointer = false;
 335
 336 /* dmenu search */
 337 struct swm_region       *search_r;
 338 int                     select_list_pipe[2];
 339 int                     select_resp_pipe[2];
 340 pid_t                   searchpid;
 341 volatile sig_atomic_t   search_resp;
 342 int                     search_resp_action;
 343
 344 struct search_window {
 345         TAILQ_ENTRY(search_window)      entry;
 346         int                             idx;
 347         struct ws_win                   *win;
 348         xcb_gcontext_t                  gc;
 349         xcb_window_t                    indicator;
 350 };
 351 TAILQ_HEAD(search_winlist, search_window);
 352 struct search_winlist                   search_wl;
 353
 354 /* search actions */
 355 enum {
 356         SWM_SEARCH_NONE,
 357         SWM_SEARCH_UNICONIFY,
 358         SWM_SEARCH_NAME_WORKSPACE,
 359         SWM_SEARCH_SEARCH_WORKSPACE,
 360         SWM_SEARCH_SEARCH_WINDOW
 361 };
 362
 363 #define SWM_STACK_TOP           (0)
 364 #define SWM_STACK_BOTTOM        (1)
 365 #define SWM_STACK_ABOVE         (2)
 366 #define SWM_STACK_BELOW         (3)
 367
 368 /* dialog windows */
 369 double                  dialog_ratio = 0.6;
 370 /* status bar */
 371 #define SWM_BAR_MAX             (256)
 372 #define SWM_BAR_JUSTIFY_LEFT    (0)
 373 #define SWM_BAR_JUSTIFY_CENTER  (1)
 374 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 375 #define SWM_BAR_OFFSET          (4)
 376 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*,"    \
 377                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"          \
 378                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"       \
 379                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 380                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 381
 382 #ifdef X_HAVE_UTF8_STRING
 383 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 384 #else
 385 #define DRAWSTRING(x...)        XmbDrawString(x)
 386 #endif
 387
 388 char            *bar_argv[] = { NULL, NULL };
 389 int              bar_pipe[2];
 390 char             bar_ext[SWM_BAR_MAX];
 391 char             bar_ext_buf[SWM_BAR_MAX];
 392 char             bar_vertext[SWM_BAR_MAX];
 393 bool             bar_version = false;
 394 bool             bar_enabled = true;
 395 int              bar_border_width = 1;
 396 bool             bar_at_bottom = false;
 397 bool             bar_extra = false;
 398 int              bar_height = 0;
 399 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 400 char             *bar_format = NULL;
 401 bool             stack_enabled = true;
 402 bool             clock_enabled = true;
 403 bool             iconic_enabled = false;
 404 bool             urgent_enabled = false;
 405 char            *clock_format = NULL;
 406 bool             window_class_enabled = false;
 407 bool             window_instance_enabled = false;
 408 bool             window_name_enabled = false;
 409 int              focus_mode = SWM_FOCUS_DEFAULT;
 410 int              focus_close = SWM_STACK_BELOW;
 411 bool             focus_close_wrap = true;
 412 int              focus_default = SWM_STACK_TOP;
 413 int              spawn_position = SWM_STACK_TOP;
 414 bool             disable_border = false;
 415 int              border_width = 1;
 416 int              region_padding = 0;
 417 int              tile_gap = 0;
 418 bool             java_workaround = true;
 419 bool             verbose_layout = false;
 420 #ifdef SWM_DEBUG
 421 time_t           time_started;
 422 #endif
 423 pid_t            bar_pid;
 424 XFontSet         bar_fs;
 425 XFontSetExtents *bar_fs_extents;
 426 XftFont         *bar_font;
 427 bool             bar_font_legacy = true;
 428 char            *bar_fonts;
 429 XftColor         bar_font_color;
 430 XftColor         search_font_color;
 431 struct passwd   *pwd;
 432 char            *startup_exception;
 433 unsigned int     nr_exceptions = 0;
 434
 435 /* layout manager data */
 436 struct swm_geometry {
 437         int                     x;
 438         int                     y;
 439         int                     w;
 440         int                     h;
 441 };
 442
 443 struct swm_screen;
 444 struct workspace;
 445
 446 struct swm_bar {
 447         xcb_window_t            id;
 448         xcb_pixmap_t            buffer;
 449         struct swm_geometry     g;
 450 };
 451
 452 /* virtual "screens" */
 453 struct swm_region {
 454         TAILQ_ENTRY(swm_region) entry;
 455         xcb_window_t            id;
 456         struct swm_geometry     g;
 457         struct workspace        *ws;    /* current workspace on this region */
 458         struct workspace        *ws_prior; /* prior workspace on this region */
 459         struct swm_screen       *s;     /* screen idx */
 460         struct swm_bar          *bar;
 461 };
 462 TAILQ_HEAD(swm_region_list, swm_region);
 463
 464 struct ws_win {
 465         TAILQ_ENTRY(ws_win)     entry;
 466         TAILQ_ENTRY(ws_win)     stack_entry;
 467         xcb_window_t            id;
 468         xcb_window_t            transient;
 469         struct ws_win           *focus_child;   /* focus on child transient */
 470         struct swm_geometry     g;              /* current geometry */
 471         struct swm_geometry     g_float;        /* region coordinates */
 472         bool                    g_floatvalid;   /* g_float geometry validity */
 473         bool                    mapped;
 474         bool                    bordered;
 475         uint32_t                ewmh_flags;
 476         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 477         int                     font_steps;
 478         int                     last_inc;
 479         bool                    can_delete;
 480         bool                    take_focus;
 481         bool                    java;
 482         uint32_t                quirks;
 483         struct workspace        *ws;    /* always valid */
 484         struct swm_screen       *s;     /* always valid, never changes */
 485         xcb_size_hints_t        sh;
 486         xcb_icccm_get_wm_class_reply_t  ch;
 487         xcb_icccm_wm_hints_t    hints;
 488 };
 489 TAILQ_HEAD(ws_win_list, ws_win);
 490 TAILQ_HEAD(ws_win_stack, ws_win);
 491
 492 /* pid goo */
 493 struct pid_e {
 494         TAILQ_ENTRY(pid_e)      entry;
 495         pid_t                   pid;
 496         int                     ws;
 497 };
 498 TAILQ_HEAD(pid_list, pid_e);
 499 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 500
 501 /* layout handlers */
 502 void    stack(void);
 503 void    vertical_config(struct workspace *, int);
 504 void    vertical_stack(struct workspace *, struct swm_geometry *);
 505 void    horizontal_config(struct workspace *, int);
 506 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 507 void    max_stack(struct workspace *, struct swm_geometry *);
 508 void    plain_stacker(struct workspace *);
 509 void    fancy_stacker(struct workspace *);
 510
 511 struct layout {
 512         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 513         void            (*l_config)(struct workspace *, int);
 514         uint32_t        flags;
 515 #define SWM_L_FOCUSPREV         (1<<0)
 516 #define SWM_L_MAPONFOCUS        (1<<1)
 517         void            (*l_string)(struct workspace *);
 518 } layouts[] =  {
 519         /* stack,               configure */
 520         { vertical_stack,       vertical_config,        0,      plain_stacker },
 521         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 522         { max_stack,            NULL,
 523           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 524         { NULL,                 NULL,                   0,      NULL  },
 525 };
 526
 527 /* position of max_stack mode in the layouts array, index into layouts! */
 528 #define SWM_V_STACK             (0)
 529 #define SWM_H_STACK             (1)
 530 #define SWM_MAX_STACK           (2)
 531
 532 #define SWM_H_SLICE             (32)
 533 #define SWM_V_SLICE             (32)
 534
 535 /* define work spaces */
 536 struct workspace {
 537         int                     idx;            /* workspace index */
 538         char                    *name;          /* workspace name */
 539         bool                    always_raise;   /* raise windows on focus */
 540         bool                    bar_enabled;    /* bar visibility */
 541         struct layout           *cur_layout;    /* current layout handlers */
 542         struct ws_win           *focus;         /* may be NULL */
 543         struct ws_win           *focus_prev;    /* may be NULL */
 544         struct ws_win           *focus_pending; /* may be NULL */
 545         struct swm_region       *r;             /* may be NULL */
 546         struct swm_region       *old_r;         /* may be NULL */
 547         struct ws_win_list      winlist;        /* list of windows in ws */
 548         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 549         struct ws_win_stack     stack;          /* stacking order */
 550         int                     state;          /* mapping state */
 551         char                    stacker[10];    /* display stacker and layout */
 552
 553         /* stacker state */
 554         struct {
 555                                 int horizontal_msize;
 556                                 int horizontal_mwin;
 557                                 int horizontal_stacks;
 558                                 bool horizontal_flip;
 559                                 int vertical_msize;
 560                                 int vertical_mwin;
 561                                 int vertical_stacks;
 562                                 bool vertical_flip;
 563         } l_state;
 564 };
 565
 566 enum {
 567         SWM_WS_STATE_HIDDEN,
 568         SWM_WS_STATE_MAPPING,
 569         SWM_WS_STATE_MAPPED,
 570 };
 571
 572 enum {
 573         SWM_S_COLOR_BAR,
 574         SWM_S_COLOR_BAR_BORDER,
 575         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 576         SWM_S_COLOR_BAR_FONT,
 577         SWM_S_COLOR_FOCUS,
 578         SWM_S_COLOR_FOCUS_MAXIMIZED,
 579         SWM_S_COLOR_UNFOCUS,
 580         SWM_S_COLOR_UNFOCUS_MAXIMIZED,
 581         SWM_S_COLOR_MAX
 582 };
 583
 584 /* physical screen mapping */
 585 #define SWM_WS_MAX              (22)    /* hard limit */
 586 int             workspace_limit = 10;   /* soft limit */
 587
 588 struct swm_screen {
 589         int                     idx;    /* screen index */
 590         struct swm_region_list  rl;     /* list of regions on this screen */
 591         struct swm_region_list  orl;    /* list of old regions */
 592         xcb_window_t            root;
 593         struct workspace        ws[SWM_WS_MAX];
 594         struct swm_region       *r_focus;
 595
 596         /* colors */
 597         struct {
 598                 uint32_t        pixel;
 599                 char            *name;
 600                 int             manual;
 601         } c[SWM_S_COLOR_MAX];
 602
 603         xcb_gcontext_t          bar_gc;
 604         GC                      bar_gc_legacy;
 605 };
 606 struct swm_screen       *screens;
 607
 608 /* args to functions */
 609 union arg {
 610         int                     id;
 611 #define SWM_ARG_ID_FOCUSNEXT    (0)
 612 #define SWM_ARG_ID_FOCUSPREV    (1)
 613 #define SWM_ARG_ID_FOCUSMAIN    (2)
 614 #define SWM_ARG_ID_FOCUSURGENT  (3)
 615 #define SWM_ARG_ID_SWAPNEXT     (10)
 616 #define SWM_ARG_ID_SWAPPREV     (11)
 617 #define SWM_ARG_ID_SWAPMAIN     (12)
 618 #define SWM_ARG_ID_MOVELAST     (13)
 619 #define SWM_ARG_ID_MASTERSHRINK (20)
 620 #define SWM_ARG_ID_MASTERGROW   (21)
 621 #define SWM_ARG_ID_MASTERADD    (22)
 622 #define SWM_ARG_ID_MASTERDEL    (23)
 623 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 624 #define SWM_ARG_ID_STACKRESET   (30)
 625 #define SWM_ARG_ID_STACKINIT    (31)
 626 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 627 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 628 #define SWM_ARG_ID_CYCLERG_UP   (42)
 629 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 630 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 631 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 632 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 633 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 634 #define SWM_ARG_ID_STACKINC     (50)
 635 #define SWM_ARG_ID_STACKDEC     (51)
 636 #define SWM_ARG_ID_SS_ALL       (60)
 637 #define SWM_ARG_ID_SS_WINDOW    (61)
 638 #define SWM_ARG_ID_DONTCENTER   (70)
 639 #define SWM_ARG_ID_CENTER       (71)
 640 #define SWM_ARG_ID_KILLWINDOW   (80)
 641 #define SWM_ARG_ID_DELETEWINDOW (81)
 642 #define SWM_ARG_ID_WIDTHGROW    (90)
 643 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 644 #define SWM_ARG_ID_HEIGHTGROW   (92)
 645 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 646 #define SWM_ARG_ID_MOVEUP       (100)
 647 #define SWM_ARG_ID_MOVEDOWN     (101)
 648 #define SWM_ARG_ID_MOVELEFT     (102)
 649 #define SWM_ARG_ID_MOVERIGHT    (103)
 650 #define SWM_ARG_ID_RAISE        (105)
 651 #define SWM_ARG_ID_LOWER        (106)
 652 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 653 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 654         char                    **argv;
 655 };
 656
 657 /* quirks */
 658 struct quirk {
 659         TAILQ_ENTRY(quirk)      entry;
 660         char                    *class;         /* WM_CLASS:class */
 661         char                    *instance;      /* WM_CLASS:instance */
 662         char                    *name;          /* WM_NAME */
 663         regex_t                 regex_class;
 664         regex_t                 regex_instance;
 665         regex_t                 regex_name;
 666         uint32_t                quirk;
 667         int                     ws;             /* Initial workspace. */
 668 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 669 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 670 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 671 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 672 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 673 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 674 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 675 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 676 #define SWM_Q_OBEYAPPFOCUSREQ   (1<<8)  /* Focus when applications ask. */
 677 #define SWM_Q_IGNOREPID         (1<<9)  /* Ignore PID when determining ws. */
 678 #define SWM_Q_IGNORESPAWNWS     (1<<10) /* Ignore _SWM_WS when managing win. */
 679 };
 680 TAILQ_HEAD(quirk_list, quirk);
 681 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 682
 683 /*
 684  * Supported EWMH hints should be added to
 685  * both the enum and the ewmh array
 686  */
 687 enum {
 688         _NET_ACTIVE_WINDOW,
 689         _NET_CLIENT_LIST,
 690         _NET_CLOSE_WINDOW,
 691         _NET_CURRENT_DESKTOP,
 692         _NET_DESKTOP_GEOMETRY,
 693         _NET_DESKTOP_NAMES,
 694         _NET_DESKTOP_VIEWPORT,
 695         _NET_MOVERESIZE_WINDOW,
 696         _NET_NUMBER_OF_DESKTOPS,
 697         _NET_RESTACK_WINDOW,
 698         _NET_WM_ACTION_ABOVE,
 699         _NET_WM_ACTION_CLOSE,
 700         _NET_WM_ACTION_FULLSCREEN,
 701         _NET_WM_ACTION_MOVE,
 702         _NET_WM_ACTION_RESIZE,
 703         _NET_WM_ALLOWED_ACTIONS,
 704         _NET_WM_DESKTOP,
 705         _NET_WM_FULL_PLACEMENT,
 706         _NET_WM_NAME,
 707         _NET_WM_STATE,
 708         _NET_WM_STATE_ABOVE,
 709         _NET_WM_STATE_FULLSCREEN,
 710         _NET_WM_STATE_HIDDEN,
 711         _NET_WM_STATE_MAXIMIZED_VERT,
 712         _NET_WM_STATE_MAXIMIZED_HORZ,
 713         _NET_WM_STATE_SKIP_PAGER,
 714         _NET_WM_STATE_SKIP_TASKBAR,
 715         _NET_WM_WINDOW_TYPE,
 716         _NET_WM_WINDOW_TYPE_DIALOG,
 717         _NET_WM_WINDOW_TYPE_DOCK,
 718         _NET_WM_WINDOW_TYPE_NORMAL,
 719         _NET_WM_WINDOW_TYPE_SPLASH,
 720         _NET_WM_WINDOW_TYPE_TOOLBAR,
 721         _NET_WM_WINDOW_TYPE_UTILITY,
 722         _SWM_WM_STATE_MANUAL,
 723         SWM_EWMH_HINT_MAX
 724 };
 725
 726 struct ewmh_hint {
 727         char            *name;
 728         xcb_atom_t      atom;
 729 } ewmh[SWM_EWMH_HINT_MAX] =     {
 730     /* must be in same order as in the enum */
 731     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 732     {"_NET_CLIENT_LIST", XCB_ATOM_NONE},
 733     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 734     {"_NET_CURRENT_DESKTOP", XCB_ATOM_NONE},
 735     {"_NET_DESKTOP_GEOMETRY", XCB_ATOM_NONE},
 736     {"_NET_DESKTOP_NAMES", XCB_ATOM_NONE},
 737     {"_NET_DESKTOP_VIEWPORT", XCB_ATOM_NONE},
 738     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 739     {"_NET_NUMBER_OF_DESKTOPS", XCB_ATOM_NONE},
 740     {"_NET_RESTACK_WINDOW", XCB_ATOM_NONE},
 741     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 742     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 743     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 744     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 745     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 746     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 747     {"_NET_WM_DESKTOP", XCB_ATOM_NONE},
 748     {"_NET_WM_FULL_PLACEMENT", XCB_ATOM_NONE},
 749     {"_NET_WM_NAME", XCB_ATOM_NONE},
 750     {"_NET_WM_STATE", XCB_ATOM_NONE},
 751     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 752     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 753     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 754     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 755     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 756     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 757     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 758     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 759     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 760     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 761     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 762     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 763     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 764     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 765     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 766 };
 767
 768 /* EWMH source type */
 769 enum {
 770         EWMH_SOURCE_TYPE_NONE = 0,
 771         EWMH_SOURCE_TYPE_NORMAL = 1,
 772         EWMH_SOURCE_TYPE_OTHER = 2,
 773 };
 774
 775 /* Cursors */
 776 enum {
 777         XC_FLEUR,
 778         XC_LEFT_PTR,
 779         XC_BOTTOM_LEFT_CORNER,
 780         XC_BOTTOM_RIGHT_CORNER,
 781         XC_SIZING,
 782         XC_TOP_LEFT_CORNER,
 783         XC_TOP_RIGHT_CORNER,
 784         XC_MAX
 785 };
 786
 787 struct cursors {
 788         char            *name; /* Name used by Xcursor .*/
 789         uint8_t         cf_char; /* cursorfont index. */
 790         xcb_cursor_t    cid;
 791 } cursors[XC_MAX] =     {
 792         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 793         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 794         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 795         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 796         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 797         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 798         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 799 };
 800
 801 #define SWM_SPAWN_OPTIONAL              0x1
 802
 803 /* spawn */
 804 struct spawn_prog {
 805         TAILQ_ENTRY(spawn_prog) entry;
 806         char                    *name;
 807         int                     argc;
 808         char                    **argv;
 809         int                     flags;
 810 };
 811 TAILQ_HEAD(spawn_list, spawn_prog);
 812 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 813
 814 /* user/key callable function IDs */
 815 enum keyfuncid {
 816         KF_BAR_TOGGLE,
 817         KF_BAR_TOGGLE_WS,
 818         KF_BUTTON2,
 819         KF_CYCLE_LAYOUT,
 820         KF_FLIP_LAYOUT,
 821         KF_FLOAT_TOGGLE,
 822         KF_FOCUS_MAIN,
 823         KF_FOCUS_NEXT,
 824         KF_FOCUS_PREV,
 825         KF_FOCUS_URGENT,
 826         KF_MAXIMIZE_TOGGLE,
 827         KF_HEIGHT_GROW,
 828         KF_HEIGHT_SHRINK,
 829         KF_ICONIFY,
 830         KF_MASTER_SHRINK,
 831         KF_MASTER_GROW,
 832         KF_MASTER_ADD,
 833         KF_MASTER_DEL,
 834         KF_MOVE_DOWN,
 835         KF_MOVE_LEFT,
 836         KF_MOVE_RIGHT,
 837         KF_MOVE_UP,
 838         KF_MVRG_1,
 839         KF_MVRG_2,
 840         KF_MVRG_3,
 841         KF_MVRG_4,
 842         KF_MVRG_5,
 843         KF_MVRG_6,
 844         KF_MVRG_7,
 845         KF_MVRG_8,
 846         KF_MVRG_9,
 847         KF_MVWS_1,
 848         KF_MVWS_2,
 849         KF_MVWS_3,
 850         KF_MVWS_4,
 851         KF_MVWS_5,
 852         KF_MVWS_6,
 853         KF_MVWS_7,
 854         KF_MVWS_8,
 855         KF_MVWS_9,
 856         KF_MVWS_10,
 857         KF_MVWS_11,
 858         KF_MVWS_12,
 859         KF_MVWS_13,
 860         KF_MVWS_14,
 861         KF_MVWS_15,
 862         KF_MVWS_16,
 863         KF_MVWS_17,
 864         KF_MVWS_18,
 865         KF_MVWS_19,
 866         KF_MVWS_20,
 867         KF_MVWS_21,
 868         KF_MVWS_22,
 869         KF_NAME_WORKSPACE,
 870         KF_QUIT,
 871         KF_RAISE_TOGGLE,
 872         KF_RESTART,
 873         KF_RG_1,
 874         KF_RG_2,
 875         KF_RG_3,
 876         KF_RG_4,
 877         KF_RG_5,
 878         KF_RG_6,
 879         KF_RG_7,
 880         KF_RG_8,
 881         KF_RG_9,
 882         KF_RG_NEXT,
 883         KF_RG_PREV,
 884         KF_SCREEN_NEXT,
 885         KF_SCREEN_PREV,
 886         KF_SEARCH_WIN,
 887         KF_SEARCH_WORKSPACE,
 888         KF_SPAWN_CUSTOM,
 889         KF_STACK_INC,
 890         KF_STACK_DEC,
 891         KF_STACK_RESET,
 892         KF_SWAP_MAIN,
 893         KF_SWAP_NEXT,
 894         KF_SWAP_PREV,
 895         KF_UNICONIFY,
 896         KF_VERSION,
 897         KF_WIDTH_GROW,
 898         KF_WIDTH_SHRINK,
 899         KF_WIND_DEL,
 900         KF_WIND_KILL,
 901         KF_WS_1,
 902         KF_WS_2,
 903         KF_WS_3,
 904         KF_WS_4,
 905         KF_WS_5,
 906         KF_WS_6,
 907         KF_WS_7,
 908         KF_WS_8,
 909         KF_WS_9,
 910         KF_WS_10,
 911         KF_WS_11,
 912         KF_WS_12,
 913         KF_WS_13,
 914         KF_WS_14,
 915         KF_WS_15,
 916         KF_WS_16,
 917         KF_WS_17,
 918         KF_WS_18,
 919         KF_WS_19,
 920         KF_WS_20,
 921         KF_WS_21,
 922         KF_WS_22,
 923         KF_WS_NEXT,
 924         KF_WS_NEXT_ALL,
 925         KF_WS_NEXT_MOVE,
 926         KF_WS_PREV,
 927         KF_WS_PREV_ALL,
 928         KF_WS_PREV_MOVE,
 929         KF_WS_PRIOR,
 930         KF_DUMPWINS, /* MUST BE LAST */
 931         KF_INVALID
 932 };
 933
 934 struct key {
 935         RB_ENTRY(key)           entry;
 936         unsigned int            mod;
 937         KeySym                  keysym;
 938         enum keyfuncid          funcid;
 939         char                    *spawn_name;
 940 };
 941 RB_HEAD(key_tree, key);
 942
 943 /* function prototypes */
 944 void     adjust_font(struct ws_win *);
 945 char    *argsep(char **);
 946 void     bar_cleanup(struct swm_region *);
 947 void     bar_extra_setup(void);
 948 void     bar_extra_stop(void);
 949 int      bar_extra_update(void);
 950 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 951 void     bar_fmt_expand(char *, size_t);
 952 void     bar_draw(void);
 953 void     bar_print(struct swm_region *, const char *);
 954 void     bar_print_legacy(struct swm_region *, const char *);
 955 void     bar_replace(char *, char *, struct swm_region *, size_t);
 956 void     bar_replace_pad(char *, int *, size_t);
 957 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 958 void     bar_setup(struct swm_region *);
 959 void     bar_toggle(struct swm_region *, union arg *);
 960 void     bar_urgent(char *, size_t);
 961 void     bar_window_class(char *, size_t, struct swm_region *);
 962 void     bar_window_class_instance(char *, size_t, struct swm_region *);
 963 void     bar_window_float(char *, size_t, struct swm_region *);
 964 void     bar_window_instance(char *, size_t, struct swm_region *);
 965 void     bar_window_name(char *, size_t, struct swm_region *);
 966 void     bar_window_state(char *, size_t, struct swm_region *);
 967 void     bar_workspace_name(char *, size_t, struct swm_region *);
 968 void     buttonpress(xcb_button_press_event_t *);
 969 void     center_pointer(struct swm_region *);
 970 void     check_conn(void);
 971 void     clear_keys(void);
 972 int      clear_maximized(struct workspace *);
 973 void     clientmessage(xcb_client_message_event_t *);
 974 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 975 int      conf_load(const char *, int);
 976 void     configurenotify(xcb_configure_notify_event_t *);
 977 void     configurerequest(xcb_configure_request_event_t *);
 978 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 979 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 980 int      count_win(struct workspace *, bool);
 981 void     cursors_cleanup(void);
 982 void     cursors_load(void);
 983 void     custom_region(const char *);
 984 void     cyclerg(struct swm_region *, union arg *);
 985 void     cyclews(struct swm_region *, union arg *);
 986 void     cycle_layout(struct swm_region *, union arg *);
 987 void     destroynotify(xcb_destroy_notify_event_t *);
 988 void     dumpwins(struct swm_region *, union arg *);
 989 int      enable_wm(void);
 990 void     enternotify(xcb_enter_notify_event_t *);
 991 void     event_drain(uint8_t);
 992 void     event_error(xcb_generic_error_t *);
 993 void     event_handle(xcb_generic_event_t *);
 994 void     ewmh_apply_flags(struct ws_win *, uint32_t);
 995 void     ewmh_autoquirk(struct ws_win *);
 996 void     ewmh_get_desktop_names(void);
 997 void     ewmh_get_wm_state(struct ws_win *);
 998 void     ewmh_update_actions(struct ws_win *);
 999 void     ewmh_update_client_list(void);
1000 void     ewmh_update_current_desktop(void);
1001 void     ewmh_update_desktop_names(void);
1002 void     ewmh_update_desktops(void);
1003 void     ewmh_change_wm_state(struct ws_win *, xcb_atom_t, long);
1004 void     ewmh_update_wm_state(struct ws_win *);
1005 char    *expand_tilde(const char *);
1006 void     expose(xcb_expose_event_t *);
1007 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
1008 struct pid_e    *find_pid(pid_t);
1009 struct ws_win   *find_unmanaged_window(xcb_window_t);
1010 struct ws_win   *find_window(xcb_window_t);
1011 void     floating_toggle(struct swm_region *, union arg *);
1012 void     focus(struct swm_region *, union arg *);
1013 #ifdef SWM_DEBUG
1014 void     focusin(xcb_focus_in_event_t *);
1015 void     focusout(xcb_focus_out_event_t *);
1016 #endif
1017 void     focus_flush(void);
1018 void     focus_region(struct swm_region *);
1019 void     focusrg(struct swm_region *, union arg *);
1020 void     focus_win(struct ws_win *);
1021 void     fontset_init(void);
1022 void     free_window(struct ws_win *);
1023 xcb_atom_t get_atom_from_string(const char *);
1024 #ifdef SWM_DEBUG
1025 char    *get_atom_name(xcb_atom_t);
1026 #endif
1027 struct ws_win   *get_focus_magic(struct ws_win *);
1028 struct ws_win   *get_focus_prev(struct ws_win *);
1029 #ifdef SWM_DEBUG
1030 char    *get_notify_detail_label(uint8_t);
1031 char    *get_notify_mode_label(uint8_t);
1032 #endif
1033 struct ws_win   *get_pointer_win(xcb_window_t);
1034 struct ws_win   *get_region_focus(struct swm_region *);
1035 int      get_region_index(struct swm_region *);
1036 xcb_screen_t    *get_screen(int);
1037 int      get_screen_count(void);
1038 #ifdef SWM_DEBUG
1039 char    *get_source_type_label(uint32_t);
1040 char    *get_stack_mode_name(uint8_t);
1041 #endif
1042 int32_t  get_swm_ws(xcb_window_t);
1043 char    *get_win_name(xcb_window_t);
1044 uint8_t  get_win_state(xcb_window_t);
1045 void     get_wm_protocols(struct ws_win *);
1046 int      get_ws_idx(struct ws_win *);
1047 void     grabbuttons(struct ws_win *);
1048 void     grabkeys(void);
1049 void     grab_windows(void);
1050 void     iconify(struct swm_region *, union arg *);
1051 bool     isxlfd(char *);
1052 void     keypress(xcb_key_press_event_t *);
1053 int      key_cmp(struct key *, struct key *);
1054 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
1055 struct key      *key_lookup(unsigned int, KeySym);
1056 void     key_remove(struct key *);
1057 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
1058              const char *);
1059 void     kill_bar_extra_atexit(void);
1060 void     kill_refs(struct ws_win *);
1061 #ifdef SWM_DEBUG
1062 void     leavenotify(xcb_leave_notify_event_t *);
1063 #endif
1064 void     load_float_geom(struct ws_win *);
1065 struct ws_win   *manage_window(xcb_window_t, int, bool);
1066 void     map_window(struct ws_win *);
1067 void     mapnotify(xcb_map_notify_event_t *);
1068 void     mappingnotify(xcb_mapping_notify_event_t *);
1069 void     maprequest(xcb_map_request_event_t *);
1070 void     maximize_toggle(struct swm_region *, union arg *);
1071 void     motionnotify(xcb_motion_notify_event_t *);
1072 void     move(struct ws_win *, union arg *);
1073 void     move_step(struct swm_region *, union arg *);
1074 uint32_t name_to_pixel(int, const char *);
1075 void     name_workspace(struct swm_region *, union arg *);
1076 void     new_region(struct swm_screen *, int, int, int, int);
1077 int      parsekeys(const char *, unsigned int, unsigned int *, KeySym *);
1078 int      parsequirks(const char *, uint32_t *, int *);
1079 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
1080 void     pressbutton(struct swm_region *, union arg *);
1081 void     priorws(struct swm_region *, union arg *);
1082 #ifdef SWM_DEBUG
1083 void     print_win_geom(xcb_window_t);
1084 #endif
1085 void     propertynotify(xcb_property_notify_event_t *);
1086 void     quirk_free(struct quirk *);
1087 void     quirk_insert(const char *, const char *, const char *, uint32_t, int);
1088 void     quirk_remove(struct quirk *);
1089 void     quirk_replace(struct quirk *, const char *, const char *, const char *,
1090              uint32_t, int);
1091 void     quit(struct swm_region *, union arg *);
1092 void     raise_toggle(struct swm_region *, union arg *);
1093 void     raise_window(struct ws_win *);
1094 void     region_containment(struct ws_win *, struct swm_region *, int);
1095 struct swm_region       *region_under(struct swm_screen *, int, int);
1096 void     regionize(struct ws_win *, int, int);
1097 void     resize(struct ws_win *, union arg *);
1098 void     resize_step(struct swm_region *, union arg *);
1099 void     restart(struct swm_region *, union arg *);
1100 struct swm_region       *root_to_region(xcb_window_t, int);
1101 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1102 void     scan_randr(int);
1103 void     search_do_resp(void);
1104 void     search_resp_name_workspace(const char *, size_t);
1105 void     search_resp_search_window(const char *);
1106 void     search_resp_search_workspace(const char *);
1107 void     search_resp_uniconify(const char *, size_t);
1108 void     search_win(struct swm_region *, union arg *);
1109 void     search_win_cleanup(void);
1110 void     search_workspace(struct swm_region *, union arg *);
1111 void     send_to_rg(struct swm_region *, union arg *);
1112 void     send_to_ws(struct swm_region *, union arg *);
1113 void     set_region(struct swm_region *);
1114 int      setautorun(const char *, const char *, int);
1115 int      setconfbinding(const char *, const char *, int);
1116 int      setconfcolor(const char *, const char *, int);
1117 int      setconfmodkey(const char *, const char *, int);
1118 int      setconfquirk(const char *, const char *, int);
1119 int      setconfregion(const char *, const char *, int);
1120 int      setconfspawn(const char *, const char *, int);
1121 int      setconfvalue(const char *, const char *, int);
1122 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1123 int      setkeymapping(const char *, const char *, int);
1124 int      setlayout(const char *, const char *, int);
1125 void     setquirk(const char *, const char *, const char *, uint32_t, int);
1126 void     setscreencolor(const char *, int, int);
1127 void     setspawn(const char *, const char *, int);
1128 void     setup_ewmh(void);
1129 void     setup_globals(void);
1130 void     setup_keys(void);
1131 void     setup_quirks(void);
1132 void     setup_screens(void);
1133 void     setup_spawn(void);
1134 void     set_child_transient(struct ws_win *, xcb_window_t *);
1135 void     set_win_state(struct ws_win *, uint8_t);
1136 void     shutdown_cleanup(void);
1137 void     sighdlr(int);
1138 void     socket_setnonblock(int);
1139 void     sort_windows(struct ws_win_list *);
1140 void     spawn(int, union arg *, bool);
1141 void     spawn_custom(struct swm_region *, union arg *, const char *);
1142 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1143 void     spawn_insert(const char *, const char *, int);
1144 struct spawn_prog       *spawn_find(const char *);
1145 void     spawn_remove(struct spawn_prog *);
1146 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1147 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1148 void     stack_config(struct swm_region *, union arg *);
1149 void     stack_master(struct workspace *, struct swm_geometry *, int, bool);
1150 void     store_float_geom(struct ws_win *);
1151 char    *strdupsafe(const char *);
1152 void     swapwin(struct swm_region *, union arg *);
1153 void     switchws(struct swm_region *, union arg *);
1154 void     teardown_ewmh(void);
1155 void     unescape_selector(char *);
1156 void     unfocus_win(struct ws_win *);
1157 void     uniconify(struct swm_region *, union arg *);
1158 void     unmanage_window(struct ws_win *);
1159 void     unmapnotify(xcb_unmap_notify_event_t *);
1160 void     unmap_all(void);
1161 void     unmap_window(struct ws_win *);
1162 void     updatenumlockmask(void);
1163 void     update_floater(struct ws_win *);
1164 void     update_modkey(unsigned int);
1165 void     update_win_stacking(struct ws_win *);
1166 void     update_window(struct ws_win *);
1167 void     update_window_color(struct ws_win *);
1168 void     update_wm_state(struct  ws_win *win);
1169 void     validate_spawns(void);
1170 int      validate_win(struct ws_win *);
1171 int      validate_ws(struct workspace *);
1172 void     version(struct swm_region *, union arg *);
1173 void     win_to_ws(struct ws_win *, int, bool);
1174 pid_t    window_get_pid(xcb_window_t);
1175 void     wkill(struct swm_region *, union arg *);
1176 void     update_ws_stack(struct workspace *);
1177 void     xft_init(struct swm_region *);
1178 void     _add_startup_exception(const char *, va_list);
1179 void     add_startup_exception(const char *, ...);
1180
1181 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1182 RB_GENERATE(key_tree, key, entry, key_cmp);
1183 struct key_tree                 keys;
1184
1185 void
1186 cursors_load(void)
1187 {
1188         xcb_font_t      cf = XCB_NONE;
1189         int             i;
1190
1191         for (i = 0; i < LENGTH(cursors); ++i) {
1192                 /* try to load Xcursor first. */
1193                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1194                     cursors[i].name);
1195
1196                 /* fallback to cursorfont. */
1197                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1198                         if (cf == XCB_NONE) {
1199                                 cf = xcb_generate_id(conn);
1200                                 xcb_open_font(conn, cf, strlen("cursor"),
1201                                     "cursor");
1202                         }
1203
1204                         cursors[i].cid = xcb_generate_id(conn);
1205                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1206                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1207                             0xffff, 0xffff, 0xffff);
1208
1209                 }
1210         }
1211
1212         if (cf != XCB_NONE)
1213                 xcb_close_font(conn, cf);
1214 }
1215
1216 void
1217 cursors_cleanup(void)
1218 {
1219         int     i;
1220         for (i = 0; i < LENGTH(cursors); ++i)
1221                 xcb_free_cursor(conn, cursors[i].cid);
1222 }
1223
1224 char *
1225 expand_tilde(const char *s)
1226 {
1227         struct passwd           *ppwd;
1228         int                     i;
1229         long                    max;
1230         char                    *user;
1231         const char              *sc = s;
1232         char                    *result;
1233
1234         if (s == NULL)
1235                 errx(1, "expand_tilde: NULL string.");
1236
1237         if (s[0] != '~') {
1238                 result = strdup(sc);
1239                 goto out;
1240         }
1241
1242         ++s;
1243
1244         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1245                 errx(1, "expand_tilde: sysconf");
1246
1247         if ((user = calloc(1, max + 1)) == NULL)
1248                 errx(1, "expand_tilde: calloc");
1249
1250         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1251                 user[i] = s[i];
1252         user[i] = '\0';
1253         s = &s[i];
1254
1255         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1256         free(user);
1257
1258         if (ppwd == NULL)
1259                 result = strdup(sc);
1260         else
1261                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1262                         result = NULL;
1263 out:
1264         if (result == NULL)
1265                 errx(1, "expand_tilde: failed to allocate memory.");
1266
1267         return result;
1268 }
1269
1270 int
1271 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1272 {
1273         unsigned int    tmpr, tmpg, tmpb;
1274
1275         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1276                 return (-1);
1277
1278         *rr = RGB_8_TO_16(tmpr);
1279         *gg = RGB_8_TO_16(tmpg);
1280         *bb = RGB_8_TO_16(tmpb);
1281
1282         return (0);
1283 }
1284
1285 xcb_screen_t *
1286 get_screen(int screen)
1287 {
1288         const xcb_setup_t       *r;
1289         xcb_screen_iterator_t   iter;
1290
1291         if ((r = xcb_get_setup(conn)) == NULL) {
1292                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1293                 check_conn();
1294         }
1295
1296         iter = xcb_setup_roots_iterator(r);
1297         for (; iter.rem; --screen, xcb_screen_next(&iter))
1298                 if (screen == 0)
1299                         return (iter.data);
1300
1301         return (NULL);
1302 }
1303
1304 int
1305 get_screen_count(void)
1306 {
1307         const xcb_setup_t       *r;
1308
1309         if ((r = xcb_get_setup(conn)) == NULL) {
1310                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1311                 check_conn();
1312         }
1313
1314         return xcb_setup_roots_length(r);
1315 }
1316
1317 int
1318 get_region_index(struct swm_region *r)
1319 {
1320         struct swm_region       *rr;
1321         int                      ridx = 0;
1322
1323         if (r == NULL)
1324                 return -1;
1325
1326         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1327                 if (rr == r)
1328                         break;
1329                 ++ridx;
1330         }
1331
1332         if (rr == NULL)
1333                 return -1;
1334
1335         return ridx;
1336 }
1337
1338 void
1339 focus_flush(void)
1340 {
1341         if (focus_mode == SWM_FOCUS_DEFAULT)
1342                 event_drain(XCB_ENTER_NOTIFY);
1343         else
1344                 xcb_flush(conn);
1345 }
1346
1347 xcb_atom_t
1348 get_atom_from_string(const char *str)
1349 {
1350         xcb_intern_atom_cookie_t        c;
1351         xcb_intern_atom_reply_t         *r;
1352         xcb_atom_t                      atom;
1353
1354         c = xcb_intern_atom(conn, 0, strlen(str), str);
1355         r = xcb_intern_atom_reply(conn, c, NULL);
1356         if (r) {
1357                 atom = r->atom;
1358                 free(r);
1359
1360                 return (atom);
1361         }
1362
1363         return (XCB_ATOM_NONE);
1364 }
1365
1366 void
1367 get_wm_protocols(struct ws_win *win) {
1368         int                             i;
1369         xcb_icccm_get_wm_protocols_reply_t      wpr;
1370
1371         if (xcb_icccm_get_wm_protocols_reply(conn,
1372             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
1373             &wpr, NULL)) {
1374                 for (i = 0; i < (int)wpr.atoms_len; i++) {
1375                         if (wpr.atoms[i] == a_takefocus)
1376                                 win->take_focus = true;
1377                         if (wpr.atoms[i] == a_delete)
1378                                 win->can_delete = true;
1379                 }
1380                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
1381         }
1382 }
1383
1384 void
1385 setup_ewmh(void)
1386 {
1387         xcb_window_t                    root, win;
1388         int                             i, j, num_screens;
1389
1390         for (i = 0; i < LENGTH(ewmh); i++)
1391                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1392
1393         num_screens = get_screen_count();
1394         for (i = 0; i < num_screens; i++) {
1395                 root = screens[i].root;
1396
1397                 /* Set up _NET_SUPPORTING_WM_CHECK. */
1398                 win = xcb_generate_id(conn);
1399                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
1400                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1401                     XCB_COPY_FROM_PARENT, 0, NULL);
1402
1403                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
1404                     a_net_wm_check, XCB_ATOM_WINDOW, 32, 1, &win);
1405                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
1406                     a_net_wm_check, XCB_ATOM_WINDOW, 32, 1, &win);
1407
1408                 /*
1409                  * Impersonate LG3D non-reparenting WM, written by Sun, to
1410                  * workaround a Java GUI rendering issue.
1411                  */
1412                 if (java_workaround)
1413                         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
1414                             ewmh[_NET_WM_NAME].atom, a_utf8_string,
1415                             8, strlen("LG3D"), "LG3D");
1416                 else
1417                         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
1418                             ewmh[_NET_WM_NAME].atom, a_utf8_string,
1419                             8, strlen("spectrwm"), "spectrwm");
1420
1421                 /* Report supported atoms */
1422                 xcb_delete_property(conn, root, a_net_supported);
1423                 for (j = 0; j < LENGTH(ewmh); j++)
1424                         xcb_change_property(conn, XCB_PROP_MODE_APPEND, root,
1425                             a_net_supported, XCB_ATOM_ATOM, 32, 1,
1426                             &ewmh[j].atom);
1427
1428         }
1429
1430         ewmh_update_desktops();
1431         ewmh_get_desktop_names();
1432 }
1433
1434 void
1435 teardown_ewmh(void)
1436 {
1437         int                             i, num_screens;
1438         xcb_window_t                    id;
1439         xcb_get_property_cookie_t       pc;
1440         xcb_get_property_reply_t        *pr;
1441
1442         num_screens = get_screen_count();
1443
1444         for (i = 0; i < num_screens; i++) {
1445                 /* Get the support check window and destroy it */
1446                 pc = xcb_get_property(conn, 0, screens[i].root, a_net_wm_check,
1447                     XCB_ATOM_WINDOW, 0, 1);
1448                 pr = xcb_get_property_reply(conn, pc, NULL);
1449                 if (pr == NULL)
1450                         continue;
1451                 if (pr->format == a_net_wm_check) {
1452                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1453
1454                         xcb_destroy_window(conn, id);
1455                         xcb_delete_property(conn, screens[i].root,
1456                             a_net_wm_check);
1457                         xcb_delete_property(conn, screens[i].root,
1458                             a_net_supported);
1459                 }
1460                 free(pr);
1461         }
1462 }
1463
1464 void
1465 ewmh_autoquirk(struct ws_win *win)
1466 {
1467         xcb_get_property_reply_t        *r;
1468         xcb_get_property_cookie_t       c;
1469         xcb_atom_t                      *type;
1470         int                             i, n;
1471
1472         c = xcb_get_property(conn, 0, win->id,
1473             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1474         r = xcb_get_property_reply(conn, c, NULL);
1475         if (r == NULL)
1476                 return;
1477
1478         type = xcb_get_property_value(r);
1479         n = xcb_get_property_value_length(r) / sizeof(xcb_atom_t);
1480
1481         for (i = 0; i < n; i++) {
1482                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1483                         break;
1484                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1485                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1486                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1487                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1488                         break;
1489                 }
1490                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1491                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1492                         win->quirks = SWM_Q_FLOAT;
1493                         break;
1494                 }
1495         }
1496         free(r);
1497 }
1498
1499 void
1500 ewmh_update_actions(struct ws_win *win)
1501 {
1502         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1503         int                     n = 0;
1504
1505         if (win == NULL)
1506                 return;
1507
1508         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1509
1510         if (ABOVE(win)) {
1511                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1512                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1513                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1514         }
1515
1516         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1517             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1518 }
1519
1520 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1521 #define _NET_WM_STATE_ADD       1    /* add/set property */
1522 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1523
1524 void
1525 ewmh_change_wm_state(struct ws_win *win, xcb_atom_t state, long action)
1526 {
1527         uint32_t                flag = 0;
1528         uint32_t                new_flags;
1529 #ifdef SWM_DEBUG
1530         char                    *name;
1531
1532         name = get_atom_name(state);
1533         DNPRINTF(SWM_D_PROP, "ewmh_change_wm_state: win %#x, state: %s, "
1534             "action: %ld\n", WINID(win), name, action);
1535         free(name);
1536 #endif
1537         if (win == NULL)
1538                 goto out;
1539
1540         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1541                 flag = EWMH_F_FULLSCREEN;
1542         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1543                 flag = EWMH_F_ABOVE;
1544         else if (state == ewmh[_NET_WM_STATE_HIDDEN].atom)
1545                 flag = EWMH_F_HIDDEN;
1546         else if (state == ewmh[_NET_WM_STATE_MAXIMIZED_VERT].atom ||
1547             state == ewmh[_NET_WM_STATE_MAXIMIZED_HORZ].atom)
1548                 flag = EWMH_F_MAXIMIZED;
1549         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1550                 flag = SWM_F_MANUAL;
1551         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1552                 flag = EWMH_F_SKIP_PAGER;
1553         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1554                 flag = EWMH_F_SKIP_TASKBAR;
1555
1556         /* Disallow unfloating transients. */
1557         if (TRANS(win) && flag == EWMH_F_ABOVE)
1558                 goto out;
1559
1560         new_flags = win->ewmh_flags;
1561
1562         switch (action) {
1563         case _NET_WM_STATE_REMOVE:
1564                 new_flags &= ~flag;
1565                 break;
1566         case _NET_WM_STATE_ADD:
1567                 new_flags |= flag;
1568                 break;
1569         case _NET_WM_STATE_TOGGLE:
1570                 new_flags ^= flag;
1571                 break;
1572         }
1573
1574         ewmh_apply_flags(win, new_flags);
1575
1576 out:
1577         DNPRINTF(SWM_D_PROP, "ewmh_change_wm_state: done.\n");
1578 }
1579
1580 void
1581 ewmh_apply_flags(struct ws_win *win, uint32_t pending)
1582 {
1583         struct workspace        *ws;
1584         uint32_t                changed;
1585
1586         changed = win->ewmh_flags ^ pending;
1587         if (changed == 0)
1588                 return;
1589
1590         DNPRINTF(SWM_D_PROP, "ewmh_apply_flags: pending: %d\n", pending);
1591
1592         win->ewmh_flags = pending;
1593         ws = win->ws;
1594
1595         if (changed & EWMH_F_HIDDEN) {
1596                 if (ICONIC(win)) {
1597                         if (focus_mode != SWM_FOCUS_FOLLOW)
1598                                 ws->focus_pending = get_focus_prev(win);
1599
1600                         unfocus_win(win);
1601                         unmap_window(win);
1602                 } else {
1603                         /* Reload floating geometry in case region changed. */
1604                         if (FLOATING(win))
1605                                 load_float_geom(win);
1606
1607                         /* The window is no longer iconic, prepare focus. */
1608                         if (focus_mode != SWM_FOCUS_FOLLOW)
1609                                 ws->focus_pending = get_focus_magic(win);
1610                         raise_window(win);
1611                 }
1612         }
1613
1614         if (changed & EWMH_F_ABOVE) {
1615                 if (ws->cur_layout != &layouts[SWM_MAX_STACK]) {
1616                         if (ABOVE(win))
1617                                 load_float_geom(win);
1618                         else if (!MAXIMIZED(win))
1619                                 store_float_geom(win);
1620
1621                         win->ewmh_flags &= ~EWMH_F_MAXIMIZED;
1622                         changed &= ~EWMH_F_MAXIMIZED;
1623                         raise_window(win);
1624                 } else {
1625                         /* Revert. */
1626                         win->ewmh_flags ^= EWMH_F_ABOVE & pending;
1627                 }
1628         }
1629
1630         if (changed & EWMH_F_MAXIMIZED) {
1631                 /* VERT and/or HORZ changed. */
1632                 if (ABOVE(win)) {
1633                         if (!MAXIMIZED(win))
1634                                 load_float_geom(win);
1635                         else
1636                                 store_float_geom(win);
1637                 }
1638
1639                 if (MAXIMIZED(win)) {
1640                         if (focus_mode != SWM_FOCUS_FOLLOW &&
1641                             ws->cur_layout != &layouts[SWM_MAX_STACK]) {
1642                                 if (WS_FOCUSED(ws))
1643                                         focus_win(win);
1644                                 else
1645                                         ws->focus_pending = win;
1646                         }
1647                 }
1648
1649                 update_window_color(win);
1650                 raise_window(win);
1651         }
1652
1653         if (changed & EWMH_F_FULLSCREEN) {
1654                 if (FULLSCREEN(win)) {
1655                         if (focus_mode != SWM_FOCUS_FOLLOW) {
1656                                 if (WS_FOCUSED(ws))
1657                                         focus_win(win);
1658                                 else
1659                                         ws->focus_pending = win;
1660                         }
1661                 } else {
1662                         load_float_geom(win);
1663                 }
1664
1665                 win->ewmh_flags &= ~EWMH_F_MAXIMIZED;
1666                 raise_window(win);
1667         }
1668
1669         DNPRINTF(SWM_D_PROP, "ewmh_apply_flags: done.\n");
1670 }
1671
1672 void
1673 ewmh_update_wm_state(struct  ws_win *win) {
1674         xcb_atom_t              vals[SWM_EWMH_ACTION_COUNT_MAX];
1675         int                     n = 0;
1676
1677         if (ICONIC(win))
1678                 vals[n++] = ewmh[_NET_WM_STATE_HIDDEN].atom;
1679         if (FULLSCREEN(win))
1680                 vals[n++] = ewmh[_NET_WM_STATE_FULLSCREEN].atom;
1681         if (MAXIMIZED_VERT(win))
1682                 vals[n++] = ewmh[_NET_WM_STATE_MAXIMIZED_VERT].atom;
1683         if (MAXIMIZED_HORZ(win))
1684                 vals[n++] = ewmh[_NET_WM_STATE_MAXIMIZED_HORZ].atom;
1685         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1686                 vals[n++] = ewmh[_NET_WM_STATE_SKIP_PAGER].atom;
1687         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1688                 vals[n++] = ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom;
1689         if (win->ewmh_flags & EWMH_F_ABOVE)
1690                 vals[n++] = ewmh[_NET_WM_STATE_ABOVE].atom;
1691         if (win->ewmh_flags & SWM_F_MANUAL)
1692                 vals[n++] = ewmh[_SWM_WM_STATE_MANUAL].atom;
1693
1694         if (n > 0)
1695                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1696                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, n, vals);
1697         else
1698                 xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1699 }
1700
1701 void
1702 ewmh_get_wm_state(struct ws_win *win)
1703 {
1704         xcb_atom_t                      *states;
1705         xcb_get_property_cookie_t       c;
1706         xcb_get_property_reply_t        *r;
1707         int                             i, n;
1708
1709         if (win == NULL)
1710                 return;
1711
1712         win->ewmh_flags = 0;
1713
1714         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1715             XCB_ATOM_ATOM, 0, UINT32_MAX);
1716         r = xcb_get_property_reply(conn, c, NULL);
1717         if (r == NULL)
1718                 return;
1719
1720         states = xcb_get_property_value(r);
1721         n = xcb_get_property_value_length(r) / sizeof(xcb_atom_t);
1722
1723         for (i = 0; i < n; i++)
1724                 ewmh_change_wm_state(win, states[i], _NET_WM_STATE_ADD);
1725
1726         free(r);
1727 }
1728
1729 /* events */
1730 #ifdef SWM_DEBUG
1731 void
1732 dumpwins(struct swm_region *r, union arg *args)
1733 {
1734         struct ws_win                           *w;
1735         uint32_t                                state;
1736         xcb_get_window_attributes_cookie_t      c;
1737         xcb_get_window_attributes_reply_t       *wa;
1738
1739         /* suppress unused warning since var is needed */
1740         (void)args;
1741
1742         if (r->ws == NULL) {
1743                 DPRINTF("dumpwins: invalid workspace\n");
1744                 return;
1745         }
1746
1747         DPRINTF("=== managed window list ws %02d ===\n", r->ws->idx);
1748         TAILQ_FOREACH(w, &r->ws->winlist, entry) {
1749                 state = get_win_state(w->id);
1750                 c = xcb_get_window_attributes(conn, w->id);
1751                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1752                 if (wa) {
1753                         DPRINTF("win %#x, map_state: %d, state: %u, "
1754                             "transient: %#x\n", w->id, wa->map_state,
1755                             state, w->transient);
1756                         free(wa);
1757                 } else
1758                         DPRINTF("win %#x, failed xcb_get_window_attributes\n",
1759                             w->id);
1760         }
1761
1762         DPRINTF("=== stacking order (top down) === \n");
1763         TAILQ_FOREACH(w, &r->ws->stack, stack_entry) {
1764                 DPRINTF("win %#x, fs: %s, maximized: %s, above: %s, "
1765                     "iconic: %s\n", w->id, YESNO(FULLSCREEN(w)),
1766                     YESNO(MAXIMIZED(w)), YESNO(ABOVE(w)), YESNO(ICONIC(w)));
1767         }
1768
1769         DPRINTF("===== unmanaged window list =====\n");
1770         TAILQ_FOREACH(w, &r->ws->unmanagedlist, entry) {
1771                 state = get_win_state(w->id);
1772                 c = xcb_get_window_attributes(conn, w->id);
1773                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1774                 if (wa) {
1775                         DPRINTF("win %#x, map_state: %d, state: %u, "
1776                             "transient: %#x\n", w->id, wa->map_state,
1777                             state, w->transient);
1778                         free(wa);
1779                 } else
1780                         DPRINTF("win %#x, failed xcb_get_window_attributes\n",
1781                             w->id);
1782         }
1783
1784         DPRINTF("=================================\n");
1785 }
1786 #else
1787 void
1788 dumpwins(struct swm_region *r, union arg *s)
1789 {
1790         (void)r;
1791         (void)s;
1792 }
1793 #endif /* SWM_DEBUG */
1794
1795 void
1796 sighdlr(int sig)
1797 {
1798         int                     saved_errno, status;
1799         pid_t                   pid;
1800
1801         saved_errno = errno;
1802
1803         switch (sig) {
1804         case SIGCHLD:
1805                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1806                         if (pid == -1) {
1807                                 if (errno == EINTR)
1808                                         continue;
1809 #ifdef SWM_DEBUG
1810                                 if (errno != ECHILD)
1811                                         warn("sighdlr: waitpid");
1812 #endif /* SWM_DEBUG */
1813                                 break;
1814                         }
1815                         if (pid == searchpid)
1816                                 search_resp = 1;
1817
1818 #ifdef SWM_DEBUG
1819                         if (WIFEXITED(status)) {
1820                                 if (WEXITSTATUS(status) != 0)
1821                                         warnx("sighdlr: child exit status: %d",
1822                                             WEXITSTATUS(status));
1823                         } else
1824                                 warnx("sighdlr: child is terminated "
1825                                     "abnormally");
1826 #endif /* SWM_DEBUG */
1827                 }
1828                 break;
1829
1830         case SIGHUP:
1831                 restart_wm = 1;
1832                 break;
1833         case SIGINT:
1834         case SIGTERM:
1835         case SIGQUIT:
1836                 running = 0;
1837                 break;
1838         }
1839
1840         errno = saved_errno;
1841 }
1842
1843 struct pid_e *
1844 find_pid(pid_t pid)
1845 {
1846         struct pid_e            *p = NULL;
1847
1848         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1849
1850         if (pid == 0)
1851                 return (NULL);
1852
1853         TAILQ_FOREACH(p, &pidlist, entry) {
1854                 if (p->pid == pid)
1855                         return (p);
1856         }
1857
1858         return (NULL);
1859 }
1860
1861 uint32_t
1862 name_to_pixel(int sidx, const char *colorname)
1863 {
1864         uint32_t                        result = 0;
1865         char                            cname[32] = "#";
1866         xcb_screen_t                    *screen;
1867         xcb_colormap_t                  cmap;
1868         xcb_alloc_color_reply_t         *cr;
1869         xcb_alloc_named_color_reply_t   *nr;
1870         uint16_t                        rr, gg, bb;
1871
1872         screen = get_screen(sidx);
1873         cmap = screen->default_colormap;
1874
1875         /* color is in format rgb://rr/gg/bb */
1876         if (strncmp(colorname, "rgb:", 4) == 0) {
1877                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1878                         warnx("could not parse rgb %s", colorname);
1879                 else {
1880                         cr = xcb_alloc_color_reply(conn,
1881                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1882                             NULL);
1883                         if (cr) {
1884                                 result = cr->pixel;
1885                                 free(cr);
1886                         } else
1887                                 warnx("color '%s' not found", colorname);
1888                 }
1889         } else {
1890                 nr = xcb_alloc_named_color_reply(conn,
1891                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1892                             colorname), NULL);
1893                 if (nr == NULL) {
1894                         strlcat(cname, colorname + 2, sizeof cname - 1);
1895                         nr = xcb_alloc_named_color_reply(conn,
1896                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1897                             cname), NULL);
1898                 }
1899                 if (nr) {
1900                         result = nr->pixel;
1901                         free(nr);
1902                 } else
1903                         warnx("color '%s' not found", colorname);
1904         }
1905
1906         return (result);
1907 }
1908
1909 void
1910 setscreencolor(const char *val, int i, int c)
1911 {
1912         if (i < 0 || i >= get_screen_count())
1913                 return;
1914
1915         screens[i].c[c].pixel = name_to_pixel(i, val);
1916         free(screens[i].c[c].name);
1917         if ((screens[i].c[c].name = strdup(val)) == NULL)
1918                 err(1, "strdup");
1919 }
1920
1921 void
1922 fancy_stacker(struct workspace *ws)
1923 {
1924         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1925         if (ws->cur_layout->l_stack == vertical_stack)
1926                 snprintf(ws->stacker, sizeof ws->stacker,
1927                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1928                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1929         else if (ws->cur_layout->l_stack == horizontal_stack)
1930                 snprintf(ws->stacker, sizeof ws->stacker,
1931                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1932                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1933 }
1934
1935 void
1936 plain_stacker(struct workspace *ws)
1937 {
1938         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1939         if (ws->cur_layout->l_stack == vertical_stack)
1940                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1941                     sizeof ws->stacker);
1942         else if (ws->cur_layout->l_stack == horizontal_stack)
1943                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1944                     sizeof ws->stacker);
1945 }
1946
1947 void
1948 custom_region(const char *val)
1949 {
1950         unsigned int                    x, y, w, h;
1951         int                             sidx, num_screens;
1952         xcb_screen_t                    *screen;
1953
1954         num_screens = get_screen_count();
1955         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1956                 errx(1, "invalid custom region, "
1957                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1958         if (sidx < 1 || sidx > num_screens)
1959                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1960                     sidx, num_screens);
1961         sidx--;
1962
1963         if ((screen = get_screen(sidx)) == NULL)
1964                 errx(1, "ERROR: can't get screen %d.", sidx);
1965
1966         if (w < 1 || h < 1)
1967                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1968
1969         if (x > screen->width_in_pixels ||
1970             y > screen->height_in_pixels ||
1971             w + x > screen->width_in_pixels ||
1972             h + y > screen->height_in_pixels) {
1973                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1974                     "boundaries (%ux%u)", w, h, x, y,
1975                     screen->width_in_pixels, screen->height_in_pixels);
1976                 return;
1977         }
1978
1979         new_region(&screens[sidx], x, y, w, h);
1980 }
1981
1982 void
1983 socket_setnonblock(int fd)
1984 {
1985         int                     flags;
1986
1987         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1988                 err(1, "fcntl F_GETFL");
1989         flags |= O_NONBLOCK;
1990         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1991                 err(1, "fcntl F_SETFL");
1992 }
1993
1994 void
1995 bar_print_legacy(struct swm_region *r, const char *s)
1996 {
1997         xcb_rectangle_t         rect;
1998         uint32_t                gcv[1];
1999         XGCValues               gcvd;
2000         int                     x = 0;
2001         size_t                  len;
2002         XRectangle              ibox, lbox;
2003         GC                      draw;
2004
2005         len = strlen(s);
2006         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
2007
2008         switch (bar_justify) {
2009         case SWM_BAR_JUSTIFY_LEFT:
2010                 x = SWM_BAR_OFFSET;
2011                 break;
2012         case SWM_BAR_JUSTIFY_CENTER:
2013                 x = (WIDTH(r) - lbox.width) / 2;
2014                 break;
2015         case SWM_BAR_JUSTIFY_RIGHT:
2016                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
2017                 break;
2018         }
2019
2020         if (x < SWM_BAR_OFFSET)
2021                 x = SWM_BAR_OFFSET;
2022
2023         rect.x = 0;
2024         rect.y = 0;
2025         rect.width = WIDTH(r->bar);
2026         rect.height = HEIGHT(r->bar);
2027
2028         /* clear back buffer */
2029         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2030         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
2031         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
2032
2033         /* draw back buffer */
2034         gcvd.graphics_exposures = 0;
2035         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
2036         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
2037         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
2038             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
2039             lbox.y, s, len);
2040         XFreeGC(display, draw);
2041
2042         /* blt */
2043         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
2044             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
2045 }
2046
2047 void
2048 bar_print(struct swm_region *r, const char *s)
2049 {
2050         size_t                          len;
2051         xcb_rectangle_t                 rect;
2052         uint32_t                        gcv[1];
2053         int32_t                         x = 0;
2054         XGlyphInfo                      info;
2055         XftDraw                         *draw;
2056
2057         len = strlen(s);
2058
2059         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
2060
2061         switch (bar_justify) {
2062         case SWM_BAR_JUSTIFY_LEFT:
2063                 x = SWM_BAR_OFFSET;
2064                 break;
2065         case SWM_BAR_JUSTIFY_CENTER:
2066                 x = (WIDTH(r) - info.width) / 2;
2067                 break;
2068         case SWM_BAR_JUSTIFY_RIGHT:
2069                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
2070                 break;
2071         }
2072
2073         if (x < SWM_BAR_OFFSET)
2074                 x = SWM_BAR_OFFSET;
2075
2076         rect.x = 0;
2077         rect.y = 0;
2078         rect.width = WIDTH(r->bar);
2079         rect.height = HEIGHT(r->bar);
2080
2081         /* clear back buffer */
2082         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2083         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
2084         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
2085
2086         /* draw back buffer */
2087         draw = XftDrawCreate(display, r->bar->buffer,
2088             DefaultVisual(display, r->s->idx),
2089             DefaultColormap(display, r->s->idx));
2090
2091         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
2092             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
2093             (FcChar8 *)s, len);
2094
2095         XftDrawDestroy(draw);
2096
2097         /* blt */
2098         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
2099             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
2100 }
2101
2102 void
2103 bar_extra_stop(void)
2104 {
2105         if (bar_pipe[0]) {
2106                 close(bar_pipe[0]);
2107                 bzero(bar_pipe, sizeof bar_pipe);
2108         }
2109         if (bar_pid) {
2110                 kill(bar_pid, SIGTERM);
2111                 bar_pid = 0;
2112         }
2113         strlcpy(bar_ext, "", sizeof bar_ext);
2114         bar_extra = false;
2115 }
2116
2117 void
2118 bar_window_class(char *s, size_t sz, struct swm_region *r)
2119 {
2120         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2121                 return;
2122         if (r->ws->focus->ch.class_name != NULL)
2123                 strlcat(s, r->ws->focus->ch.class_name, sz);
2124 }
2125
2126 void
2127 bar_window_instance(char *s, size_t sz, struct swm_region *r)
2128 {
2129         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2130                 return;
2131         if (r->ws->focus->ch.instance_name != NULL)
2132                 strlcat(s, r->ws->focus->ch.instance_name, sz);
2133 }
2134
2135 void
2136 bar_window_class_instance(char *s, size_t sz, struct swm_region *r)
2137 {
2138         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2139                 return;
2140
2141         bar_window_class(s, sz, r);
2142         strlcat(s, ":", sz);
2143         bar_window_instance(s, sz, r);
2144 }
2145
2146 void
2147 bar_window_state(char *s, size_t sz, struct swm_region *r)
2148 {
2149         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
2150                 return;
2151         if (MAXIMIZED(r->ws->focus))
2152                 strlcat(s, "(m)", sz);
2153         else if (ABOVE(r->ws->focus))
2154                 strlcat(s, "(f)", sz);
2155 }
2156
2157 void
2158 bar_window_name(char *s, size_t sz, struct swm_region *r)
2159 {
2160         char            *title;
2161
2162         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2163                 return;
2164
2165         title = get_win_name(r->ws->focus->id);
2166         strlcat(s, title, sz);
2167         free(title);
2168 }
2169
2170 void
2171 bar_urgent(char *s, size_t sz)
2172 {
2173         struct ws_win           *win;
2174         int                     i, j, num_screens;
2175         bool                    urgent[SWM_WS_MAX];
2176         char                    b[8];
2177         xcb_get_property_cookie_t       c;
2178         xcb_icccm_wm_hints_t    hints;
2179
2180         for (i = 0; i < workspace_limit; i++)
2181                 urgent[i] = false;
2182
2183         num_screens = get_screen_count();
2184         for (i = 0; i < num_screens; i++)
2185                 for (j = 0; j < workspace_limit; j++)
2186                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2187                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2188                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2189                                     &hints, NULL) == 0)
2190                                         continue;
2191                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2192                                         urgent[j] = true;
2193                         }
2194
2195         for (i = 0; i < workspace_limit; i++) {
2196                 if (urgent[i])
2197                         snprintf(b, sizeof b, "%d ", i + 1);
2198                 else
2199                         snprintf(b, sizeof b, "- ");
2200                 strlcat(s, b, sz);
2201         }
2202 }
2203
2204 void
2205 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2206 {
2207         if (r == NULL || r->ws == NULL)
2208                 return;
2209         if (r->ws->name != NULL)
2210                 strlcat(s, r->ws->name, sz);
2211 }
2212
2213 /* build the default bar format according to the defined enabled options */
2214 void
2215 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2216 {
2217         struct ws_win           *w;
2218
2219         /* if format provided, just copy the buffers */
2220         if (bar_format != NULL) {
2221                 strlcpy(fmtnew, fmtexp, sz);
2222                 return;
2223         }
2224
2225         /* reset the output buffer */
2226         *fmtnew = '\0';
2227
2228         strlcat(fmtnew, "+N:+I ", sz);
2229         if (stack_enabled)
2230                 strlcat(fmtnew, "+S", sz);
2231         strlcat(fmtnew, " ", sz);
2232
2233         /* only show the workspace name if there's actually one */
2234         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2235                 strlcat(fmtnew, "<+D>", sz);
2236
2237         /* If enabled, only show the iconic count if there are iconic wins. */
2238         if (iconic_enabled && r != NULL && r->ws != NULL)
2239                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2240                         if (ICONIC(w)) {
2241                                 strlcat(fmtnew, "{+M}", sz);
2242                                 break;
2243                         }
2244
2245         strlcat(fmtnew, "+3<", sz);
2246
2247         if (clock_enabled) {
2248                 strlcat(fmtnew, fmtexp, sz);
2249                 strlcat(fmtnew, "+4<", sz);
2250         }
2251
2252         /* bar_urgent already adds the space before the last asterisk */
2253         if (urgent_enabled)
2254                 strlcat(fmtnew, "* +U*+4<", sz);
2255
2256         if (window_class_enabled) {
2257                 strlcat(fmtnew, "+C", sz);
2258                 if (!window_instance_enabled)
2259                         strlcat(fmtnew, "+4<", sz);
2260         }
2261
2262         /* checks needed by the colon and floating strlcat(3) calls below */
2263         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2264                 if (window_instance_enabled) {
2265                         if (window_class_enabled)
2266                                 strlcat(fmtnew, ":", sz);
2267                         strlcat(fmtnew, "+T+4<", sz);
2268                 }
2269                 if (window_name_enabled) {
2270                         if (ABOVE(r->ws->focus) || MAXIMIZED(r->ws->focus))
2271                                 strlcat(fmtnew, "+F ", sz);
2272                         strlcat(fmtnew, "+64W ", sz);
2273                 }
2274         }
2275
2276         /* finally add the action script output and the version */
2277         strlcat(fmtnew, "+4<+A+4<+V", sz);
2278 }
2279
2280 void
2281 bar_replace_pad(char *tmp, int *limit, size_t sz)
2282 {
2283         /* special case; no limit given, pad one space, instead */
2284         if (*limit == (int)sz - 1)
2285                 *limit = 1;
2286         snprintf(tmp, sz, "%*s", *limit, " ");
2287 }
2288
2289 /* replaces the bar format character sequences (like in tmux(1)) */
2290 char *
2291 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2292     size_t sz)
2293 {
2294         struct ws_win           *w;
2295         char                    *ptr;
2296         char                    tmp[SWM_BAR_MAX];
2297         int                     limit, size, count;
2298         size_t                  len;
2299
2300         /* reset strlcat(3) buffer */
2301         *tmp = '\0';
2302
2303         /* get number, if any */
2304         fmt++;
2305         size = 0;
2306         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2307                 limit = sizeof tmp - 1;
2308         if (limit <= 0 || limit >= (int)sizeof tmp)
2309                 limit = sizeof tmp - 1;
2310
2311         /* there is nothing to replace (ie EOL) */
2312         fmt += size;
2313         if (*fmt == '\0')
2314                 return (fmt);
2315
2316         switch (*fmt) {
2317         case '<':
2318                 bar_replace_pad(tmp, &limit, sizeof tmp);
2319                 break;
2320         case 'A':
2321                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2322                 break;
2323         case 'C':
2324                 bar_window_class(tmp, sizeof tmp, r);
2325                 break;
2326         case 'D':
2327                 bar_workspace_name(tmp, sizeof tmp, r);
2328                 break;
2329         case 'F':
2330                 bar_window_state(tmp, sizeof tmp, r);
2331                 break;
2332         case 'I':
2333                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2334                 break;
2335         case 'M':
2336                 count = 0;
2337                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2338                         if (ICONIC(w))
2339                                 ++count;
2340
2341                 snprintf(tmp, sizeof tmp, "%d", count);
2342                 break;
2343         case 'N':
2344                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2345                 break;
2346         case 'P':
2347                 bar_window_class_instance(tmp, sizeof tmp, r);
2348                 break;
2349         case 'S':
2350                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2351                 break;
2352         case 'T':
2353                 bar_window_instance(tmp, sizeof tmp, r);
2354                 break;
2355         case 'U':
2356                 bar_urgent(tmp, sizeof tmp);
2357                 break;
2358         case 'V':
2359                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2360                 break;
2361         case 'W':
2362                 bar_window_name(tmp, sizeof tmp, r);
2363                 break;
2364         default:
2365                 /* unknown character sequence; copy as-is */
2366                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2367                 break;
2368         }
2369
2370         len = strlen(tmp);
2371         ptr = tmp;
2372         if ((int)len < limit)
2373                 limit = len;
2374         while (limit-- > 0) {
2375                 if (*offrep >= sz - 1)
2376                         break;
2377                 fmtrep[(*offrep)++] = *ptr++;
2378         }
2379
2380         fmt++;
2381         return (fmt);
2382 }
2383
2384 void
2385 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2386 {
2387         size_t                  off;
2388
2389         off = 0;
2390         while (*fmt != '\0') {
2391                 if (*fmt != '+') {
2392                         /* skip ordinary characters */
2393                         if (off >= sz - 1)
2394                                 break;
2395                         fmtrep[off++] = *fmt++;
2396                         continue;
2397                 }
2398
2399                 /* character sequence found; replace it */
2400                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2401                 if (off >= sz - 1)
2402                         break;
2403         }
2404
2405         fmtrep[off] = '\0';
2406 }
2407
2408 void
2409 bar_fmt_expand(char *fmtexp, size_t sz)
2410 {
2411         char                    *fmt = NULL;
2412         size_t                  len;
2413         struct tm               tm;
2414         time_t                  tmt;
2415
2416         /* start by grabbing the current time and date */
2417         time(&tmt);
2418         localtime_r(&tmt, &tm);
2419
2420         /* figure out what to expand */
2421         if (bar_format != NULL)
2422                 fmt = bar_format;
2423         else if (bar_format == NULL && clock_enabled)
2424                 fmt = clock_format;
2425         /* if nothing to expand bail out */
2426         if (fmt == NULL) {
2427                 *fmtexp = '\0';
2428                 return;
2429         }
2430
2431         /* copy as-is, just in case the format shouldn't be expanded below */
2432         strlcpy(fmtexp, fmt, sz);
2433         /* finally pass the string through strftime(3) */
2434 #ifndef SWM_DENY_CLOCK_FORMAT
2435         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2436                 warnx("format too long");
2437         fmtexp[len] = '\0';
2438 #endif
2439 }
2440
2441 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2442 void
2443 bar_draw(void)
2444 {
2445         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2446         char                    fmtrep[SWM_BAR_MAX];
2447         int                     i, num_screens;
2448         struct swm_region       *r;
2449
2450         /* expand the format by first passing it through strftime(3) */
2451         bar_fmt_expand(fmtexp, sizeof fmtexp);
2452
2453         num_screens = get_screen_count();
2454         for (i = 0; i < num_screens; i++) {
2455                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2456                         if (r->bar == NULL)
2457                                 continue;
2458
2459                         if (bar_enabled && r->ws->bar_enabled)
2460                                 xcb_map_window(conn, r->bar->id);
2461                         else {
2462                                 xcb_unmap_window(conn, r->bar->id);
2463                                 continue;
2464                         }
2465
2466                         if (startup_exception)
2467                                 snprintf(fmtrep, sizeof fmtrep, "total "
2468                                     "exceptions: %d, first exception: %s",
2469                                     nr_exceptions,
2470                                     startup_exception);
2471                         else {
2472                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2473                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2474                         }
2475                         if (bar_font_legacy)
2476                                 bar_print_legacy(r, fmtrep);
2477                         else
2478                                 bar_print(r, fmtrep);
2479                 }
2480         }
2481 }
2482
2483 /*
2484  * Reads external script output; call when stdin is readable.
2485  * Returns 1 if bar_ext was updated; otherwise 0.
2486  */
2487 int
2488 bar_extra_update(void)
2489 {
2490         size_t          len;
2491         char            b[SWM_BAR_MAX];
2492         bool            changed = false;
2493
2494         if (!bar_extra)
2495                 return changed;
2496
2497         while (fgets(b, sizeof(b), stdin) != NULL) {
2498                 if (bar_enabled) {
2499                         len = strlen(b);
2500                         if (b[len - 1] == '\n') {
2501                                 /* Remove newline. */
2502                                 b[--len] = '\0';
2503
2504                                 /* "Clear" bar_ext. */
2505                                 bar_ext[0] = '\0';
2506
2507                                 /* Flush buffered output. */
2508                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2509                                 bar_ext_buf[0] = '\0';
2510
2511                                 /* Append new output to bar. */
2512                                 strlcat(bar_ext, b, sizeof(bar_ext));
2513
2514                                 changed = true;
2515                         } else {
2516                                 /* Buffer output. */
2517                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2518                         }
2519                 }
2520         }
2521
2522         if (errno != EAGAIN) {
2523                 warn("bar_action failed");
2524                 bar_extra_stop();
2525                 changed = true;
2526         }
2527
2528         return changed;
2529 }
2530
2531 void
2532 bar_toggle(struct swm_region *r, union arg *args)
2533 {
2534         struct swm_region       *tmpr;
2535         int                     i, num_screens;
2536
2537         /* suppress unused warnings since vars are needed */
2538         (void)r;
2539         (void)args;
2540
2541         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2542
2543         switch (args->id) {
2544         case SWM_ARG_ID_BAR_TOGGLE_WS:
2545                 /* Only change if master switch is enabled. */
2546                 if (bar_enabled)
2547                         r->ws->bar_enabled = !r->ws->bar_enabled;
2548                 else
2549                         bar_enabled = r->ws->bar_enabled = true;
2550                 break;
2551         case SWM_ARG_ID_BAR_TOGGLE:
2552                 bar_enabled = !bar_enabled;
2553                 break;
2554         }
2555
2556         /* update bars as necessary */
2557         num_screens = get_screen_count();
2558         for (i = 0; i < num_screens; i++)
2559                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2560                         if (tmpr->bar) {
2561                                 if (bar_enabled && tmpr->ws->bar_enabled)
2562                                         xcb_map_window(conn, tmpr->bar->id);
2563                                 else
2564                                         xcb_unmap_window(conn, tmpr->bar->id);
2565                         }
2566
2567         stack();
2568
2569         /* must be after stack */
2570         bar_draw();
2571
2572         focus_flush();
2573 }
2574
2575 void
2576 bar_extra_setup(void)
2577 {
2578         /* do this here because the conf file is in memory */
2579         if (!bar_extra && bar_argv[0]) {
2580                 /* launch external status app */
2581                 bar_extra = true;
2582                 if (pipe(bar_pipe) == -1)
2583                         err(1, "pipe error");
2584                 socket_setnonblock(bar_pipe[0]);
2585                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2586
2587                 /* Set stdin to read from the pipe. */
2588                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2589                         err(1, "dup2");
2590
2591                 /* Set stdout to write to the pipe. */
2592                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2593                         err(1, "dup2");
2594
2595                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2596                         err(1, "could not disable SIGPIPE");
2597                 switch (bar_pid = fork()) {
2598                 case -1:
2599                         err(1, "cannot fork");
2600                         break;
2601                 case 0: /* child */
2602                         close(bar_pipe[0]);
2603                         execvp(bar_argv[0], bar_argv);
2604                         err(1, "%s external app failed", bar_argv[0]);
2605                         break;
2606                 default: /* parent */
2607                         close(bar_pipe[1]);
2608                         break;
2609                 }
2610
2611                 atexit(kill_bar_extra_atexit);
2612         }
2613 }
2614
2615 void
2616 kill_bar_extra_atexit(void)
2617 {
2618         if (bar_pid)
2619                 kill(bar_pid, SIGTERM);
2620 }
2621
2622 bool
2623 isxlfd(char *s)
2624 {
2625         int      count = 0;
2626
2627         while ((s = index(s, '-'))) {
2628                 ++count;
2629                 ++s;
2630         }
2631
2632         return (count == 14);
2633 }
2634
2635 void
2636 fontset_init(void)
2637 {
2638         char                    *default_string;
2639         char                    **missing_charsets;
2640         int                     num_missing_charsets = 0;
2641         int                     i;
2642
2643         if (bar_fs) {
2644                 XFreeFontSet(display, bar_fs);
2645                 bar_fs = NULL;
2646         }
2647
2648         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2649
2650         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2651             &num_missing_charsets, &default_string);
2652
2653         if (num_missing_charsets > 0) {
2654                 warnx("Unable to load charset(s):");
2655
2656                 for (i = 0; i < num_missing_charsets; ++i)
2657                         warnx("%s", missing_charsets[i]);
2658
2659                 XFreeStringList(missing_charsets);
2660
2661                 if (strcmp(default_string, ""))
2662                         warnx("Glyphs from those sets will be replaced "
2663                             "by '%s'.", default_string);
2664                 else
2665                         warnx("Glyphs from those sets won't be drawn.");
2666         }
2667
2668         if (bar_fs == NULL)
2669                 errx(1, "Error creating font set structure.");
2670
2671         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2672
2673         bar_height = bar_fs_extents->max_logical_extent.height +
2674             2 * bar_border_width;
2675
2676         if (bar_height < 1)
2677                 bar_height = 1;
2678 }
2679
2680 void
2681 xft_init(struct swm_region *r)
2682 {
2683         char                    *font, *d, *search;
2684         XRenderColor            color;
2685
2686         if (bar_font == NULL) {
2687                 if ((d = strdup(bar_fonts)) == NULL)
2688                         errx(1, "insufficient memory.");
2689                 search = d;
2690                 while ((font = strsep(&search, ",")) != NULL) {
2691                         if (*font == '\0')
2692                                 continue;
2693
2694                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2695
2696                         if (isxlfd(font)) {
2697                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2698                                                 font);
2699                         } else {
2700                                 bar_font = XftFontOpenName(display, r->s->idx,
2701                                                 font);
2702                         }
2703
2704                         if (bar_font == NULL) {
2705                                 warnx("unable to load font %s", font);
2706                                 continue;
2707                         } else {
2708                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2709                                     "font %s\n", font);
2710                                 break;
2711                         }
2712                 }
2713                 free(d);
2714         }
2715
2716         if (bar_font == NULL)
2717                 errx(1, "unable to open a font");
2718
2719         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2720
2721         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2722             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2723                 warn("Xft error: unable to allocate color.");
2724
2725         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR].pixel, color);
2726
2727         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2728             DefaultColormap(display, r->s->idx), &color, &search_font_color))
2729                 warn("Xft error: unable to allocate color.");
2730
2731         bar_height = bar_font->height + 2 * bar_border_width;
2732
2733         if (bar_height < 1)
2734                 bar_height = 1;
2735 }
2736
2737 void
2738 bar_setup(struct swm_region *r)
2739 {
2740         xcb_screen_t    *screen;
2741         uint32_t         wa[3];
2742
2743         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2744             r->s->idx);
2745
2746         if ((screen = get_screen(r->s->idx)) == NULL)
2747                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2748
2749         if (r->bar != NULL)
2750                 return;
2751
2752         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2753                 err(1, "bar_setup: calloc: failed to allocate memory.");
2754
2755         if (bar_font_legacy)
2756                 fontset_init();
2757         else
2758                 xft_init(r);
2759
2760         X(r->bar) = X(r);
2761         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2762         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2763         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2764
2765         /* Assume region is unfocused when we create the bar. */
2766         r->bar->id = xcb_generate_id(conn);
2767         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2768         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2769         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2770             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2771
2772         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2773             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2774             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2775             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2776             | XCB_CW_EVENT_MASK, wa);
2777
2778         /* Stack bar window above region window to start. */
2779         wa[0] = r->id;
2780         wa[1] = XCB_STACK_MODE_ABOVE;
2781
2782         xcb_configure_window(conn, r->bar->id, XCB_CONFIG_WINDOW_SIBLING |
2783             XCB_CONFIG_WINDOW_STACK_MODE, wa);
2784
2785         r->bar->buffer = xcb_generate_id(conn);
2786         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2787             WIDTH(r->bar), HEIGHT(r->bar));
2788
2789         if (randr_support)
2790                 xcb_randr_select_input(conn, r->bar->id,
2791                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2792
2793         if (bar_enabled)
2794                 xcb_map_window(conn, r->bar->id);
2795
2796         DNPRINTF(SWM_D_BAR, "bar_setup: win %#x, (x,y) w x h: (%d,%d) "
2797             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2798             HEIGHT(r->bar));
2799
2800         bar_extra_setup();
2801 }
2802
2803 void
2804 bar_cleanup(struct swm_region *r)
2805 {
2806         if (r->bar == NULL)
2807                 return;
2808         xcb_destroy_window(conn, r->bar->id);
2809         xcb_free_pixmap(conn, r->bar->buffer);
2810         free(r->bar);
2811         r->bar = NULL;
2812 }
2813
2814 void
2815 set_win_state(struct ws_win *win, uint8_t state)
2816 {
2817         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2818
2819         DNPRINTF(SWM_D_EVENT, "set_win_state: win %#x, state: %u\n",
2820             win->id, state);
2821
2822         if (win == NULL)
2823                 return;
2824
2825         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2826             a_state, 32, 2, data);
2827 }
2828
2829 uint8_t
2830 get_win_state(xcb_window_t w)
2831 {
2832         xcb_get_property_reply_t        *r;
2833         xcb_get_property_cookie_t       c;
2834         uint32_t                        result = 0;
2835
2836         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2837         r = xcb_get_property_reply(conn, c, NULL);
2838         if (r) {
2839                 if (r->type == a_state && r->format == 32 && r->length == 2)
2840                         result = *((uint32_t *)xcb_get_property_value(r));
2841                 free(r);
2842         }
2843
2844         DNPRINTF(SWM_D_MISC, "get_win_state property: win %#x state %u\n", w,
2845             result);
2846         return (result);
2847 }
2848
2849 void
2850 version(struct swm_region *r, union arg *args)
2851 {
2852         /* suppress unused warnings since vars are needed */
2853         (void)r;
2854         (void)args;
2855
2856         bar_version = !bar_version;
2857         if (bar_version)
2858                 snprintf(bar_vertext, sizeof bar_vertext,
2859                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2860         else
2861                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2862
2863         bar_draw();
2864         xcb_flush(conn);
2865 }
2866
2867 void
2868 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2869 {
2870         xcb_client_message_event_t      ev;
2871 #ifdef SWM_DEBUG
2872         char                            *name;
2873 #endif
2874
2875         if (win == NULL)
2876                 return;
2877 #ifdef SWM_DEBUG
2878         name = get_atom_name(a);
2879         DNPRINTF(SWM_D_EVENT, "client_msg: win %#x, atom: %s(%u), "
2880             "time: %#x\n",
2881             win->id, name, a, t);
2882         free(name);
2883 #endif
2884
2885         bzero(&ev, sizeof ev);
2886         ev.response_type = XCB_CLIENT_MESSAGE;
2887         ev.window = win->id;
2888         ev.type = a_prot;
2889         ev.format = 32;
2890         ev.data.data32[0] = a;
2891         ev.data.data32[1] = t;
2892
2893         xcb_send_event(conn, 0, win->id,
2894             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2895 }
2896
2897 /* synthetic response to a ConfigureRequest when not making a change */
2898 void
2899 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2900 {
2901         xcb_configure_notify_event_t ce;
2902
2903         if (win == NULL)
2904                 return;
2905
2906         /* send notification of unchanged state. */
2907         bzero(&ce, sizeof(ce));
2908         ce.response_type = XCB_CONFIGURE_NOTIFY;
2909         ce.x = X(win);
2910         ce.y = Y(win);
2911         ce.width = WIDTH(win);
2912         ce.height = HEIGHT(win);
2913         ce.override_redirect = 0;
2914
2915         if (ev == NULL) {
2916                 /* EWMH */
2917                 ce.event = win->id;
2918                 ce.window = win->id;
2919                 ce.border_width = BORDER(win);
2920                 ce.above_sibling = XCB_WINDOW_NONE;
2921         } else {
2922                 /* normal */
2923                 ce.event = ev->window;
2924                 ce.window = ev->window;
2925
2926                 /* make response appear more WM_SIZE_HINTS-compliant */
2927                 if (win->sh.flags) {
2928                         DNPRINTF(SWM_D_MISC, "config_win: hints: win %#x,"
2929                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2930                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2931                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2932                             SH_INC_W(win), SH_INC_H(win));
2933                 }
2934
2935                 /* min size */
2936                 if (SH_MIN(win)) {
2937                         /* the hint may be set... to 0! */
2938                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2939                                 ce.width = SH_MIN_W(win);
2940                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2941                                 ce.height = SH_MIN_H(win);
2942                 }
2943
2944                 /* max size */
2945                 if (SH_MAX(win)) {
2946                         /* may also be advertized as 0 */
2947                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2948                                 ce.width = SH_MAX_W(win);
2949                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2950                                 ce.height = SH_MAX_H(win);
2951                 }
2952
2953                 /* resize increment. */
2954                 if (SH_INC(win)) {
2955                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2956                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2957                                     SH_INC_W(win);
2958                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2959                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2960                                     SH_INC_H(win);
2961                 }
2962
2963                 /* adjust x and y for requested border_width. */
2964                 ce.x += BORDER(win) - ev->border_width;
2965                 ce.y += BORDER(win) - ev->border_width;
2966                 ce.border_width = ev->border_width;
2967                 ce.above_sibling = ev->sibling;
2968         }
2969
2970         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, win %#x, (x,y) w x h: "
2971             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2972             ce.y, ce.width, ce.height, ce.border_width);
2973
2974         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2975             (char *)&ce);
2976 }
2977
2978 int
2979 count_win(struct workspace *ws, bool count_transient)
2980 {
2981         struct ws_win           *win;
2982         int                     count = 0;
2983
2984         TAILQ_FOREACH(win, &ws->winlist, entry) {
2985                 if (!count_transient && FLOATING(win))
2986                         continue;
2987                 if (ICONIC(win))
2988                         continue;
2989                 count++;
2990         }
2991         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2992
2993         return (count);
2994 }
2995
2996 void
2997 quit(struct swm_region *r, union arg *args)
2998 {
2999         /* suppress unused warnings since vars are needed */
3000         (void)r;
3001         (void)args;
3002
3003         DNPRINTF(SWM_D_MISC, "quit\n");
3004         running = 0;
3005 }
3006
3007 void
3008 raise_window(struct ws_win *win)
3009 {
3010         struct ws_win           *target = NULL;
3011         struct swm_region       *r;
3012         struct workspace        *ws;
3013
3014         if (win == NULL || (r = win->ws->r) == NULL)
3015                 return;
3016         ws = win->ws;
3017
3018         DNPRINTF(SWM_D_EVENT, "raise_window: win %#x\n", win->id);
3019
3020         TAILQ_FOREACH(target, &ws->stack, stack_entry) {
3021                 if (target == win || ICONIC(target))
3022                         continue;
3023                 if (ws->cur_layout == &layouts[SWM_MAX_STACK])
3024                         break;
3025                 if (TRANS(win) && (win->transient == target->transient ||
3026                     win->transient == target->id))
3027                         break;
3028                 if (FULLSCREEN(win))
3029                         break;
3030                 if (FULLSCREEN(target))
3031                         continue;
3032                 if (MAXIMIZED(win))
3033                         break;
3034                 if (MAXIMIZED(target))
3035                         continue;
3036                 if (ABOVE(win) || TRANS(win))
3037                         break;
3038                 if (!ABOVE(target) && !TRANS(target))
3039                         break;
3040         }
3041
3042         if (target != NULL) {
3043                 /* Change stack position. */
3044                 TAILQ_REMOVE(&ws->stack, win, stack_entry);
3045                 TAILQ_INSERT_BEFORE(target, win, stack_entry);
3046                 update_win_stacking(win);
3047         }
3048
3049 #ifdef SWM_DEBUG
3050         if (swm_debug & SWM_D_STACK) {
3051                 DPRINTF("=== stacking order (top down) === \n");
3052                 TAILQ_FOREACH(target, &r->ws->stack, stack_entry) {
3053                         DPRINTF("win %#x, fs: %s, maximized: %s, above: %s, "
3054                             "iconic: %s\n", target->id, YESNO(FULLSCREEN(target)),
3055                             YESNO(MAXIMIZED(target)), YESNO(ABOVE(target)),
3056                             YESNO(ICONIC(target)));
3057                 }
3058         }
3059 #endif
3060         DNPRINTF(SWM_D_EVENT, "raise_window: done\n");
3061 }
3062
3063 void
3064 update_win_stacking(struct ws_win *win)
3065 {
3066         struct ws_win           *sibling;
3067         struct swm_region       *r;
3068         uint32_t                val[2];
3069
3070         if (win == NULL || (r = win->ws->r) == NULL)
3071                 return;
3072
3073         sibling = TAILQ_NEXT(win, stack_entry);
3074         if (sibling != NULL && FLOATING(win) == FLOATING(sibling))
3075                 val[0] = sibling->id;
3076         else
3077                 val[0] = FLOATING(win) ? r->bar->id : r->id;
3078
3079         DNPRINTF(SWM_D_EVENT, "update_win_stacking: %#x, sibling %#x\n",
3080             win->id, val[0]);
3081
3082         val[1] = XCB_STACK_MODE_ABOVE;
3083
3084         xcb_configure_window(conn, win->id, XCB_CONFIG_WINDOW_SIBLING |
3085             XCB_CONFIG_WINDOW_STACK_MODE, val);
3086 }
3087
3088 void
3089 map_window(struct ws_win *win)
3090 {
3091         if (win == NULL)
3092                 return;
3093
3094         DNPRINTF(SWM_D_EVENT, "map_window: win %#x, mapped: %s\n",
3095             win->id, YESNO(win->mapped));
3096
3097         if (win->mapped)
3098                 return;
3099
3100         xcb_map_window(conn, win->id);
3101         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
3102         win->mapped = true;
3103 }
3104
3105 void
3106 unmap_window(struct ws_win *win)
3107 {
3108         if (win == NULL)
3109                 return;
3110
3111         DNPRINTF(SWM_D_EVENT, "unmap_window: win %#x, mapped: %s\n", win->id,
3112             YESNO(win->mapped));
3113
3114         if (!win->mapped)
3115                 return;
3116
3117         xcb_unmap_window(conn, win->id);
3118         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
3119         win->mapped = false;
3120 }
3121
3122 void
3123 unmap_all(void)
3124 {
3125         struct ws_win           *win;
3126         int                     i, j, num_screens;
3127
3128         num_screens = get_screen_count();
3129         for (i = 0; i < num_screens; i++)
3130                 for (j = 0; j < workspace_limit; j++)
3131                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3132                                 unmap_window(win);
3133 }
3134
3135 void
3136 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
3137 {
3138         xcb_key_press_event_t   event;
3139         xcb_keycode_t           *keycode;
3140
3141         if (win == NULL)
3142                 return;
3143
3144         keycode = xcb_key_symbols_get_keycode(syms, keysym);
3145
3146         DNPRINTF(SWM_D_MISC, "fake_keypress: win %#x, keycode %u\n",
3147             win->id, *keycode);
3148
3149         bzero(&event, sizeof(event));
3150         event.event = win->id;
3151         event.root = win->s->root;
3152         event.child = XCB_WINDOW_NONE;
3153         event.time = XCB_CURRENT_TIME;
3154         event.event_x = X(win);
3155         event.event_y = Y(win);
3156         event.root_x = 1;
3157         event.root_y = 1;
3158         event.same_screen = 1;
3159         event.detail = *keycode;
3160         event.state = modifiers;
3161
3162         event.response_type = XCB_KEY_PRESS;
3163         xcb_send_event(conn, 1, win->id,
3164             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
3165
3166         event.response_type = XCB_KEY_RELEASE;
3167         xcb_send_event(conn, 1, win->id,
3168             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
3169
3170         free(keycode);
3171 }
3172
3173 void
3174 restart(struct swm_region *r, union arg *args)
3175 {
3176         /* suppress unused warning since var is needed */
3177         (void)r;
3178         (void)args;
3179
3180         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
3181
3182         shutdown_cleanup();
3183
3184         execvp(start_argv[0], start_argv);
3185         warn("execvp failed");
3186         quit(NULL, NULL);
3187 }
3188
3189 struct ws_win *
3190 get_pointer_win(xcb_window_t root)
3191 {
3192         struct ws_win                   *win = NULL;
3193         xcb_query_pointer_reply_t       *r;
3194
3195         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: %#x.\n", root);
3196
3197         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
3198         if (r) {
3199                 win = find_window(r->child);
3200                 if (win) {
3201                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: %#x.\n",
3202                             win->id);
3203                 } else {
3204                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
3205                 }
3206                 free(r);
3207         }
3208
3209         return win;
3210 }
3211
3212 void
3213 center_pointer(struct swm_region *r)
3214 {
3215         struct ws_win                   *win;
3216
3217         if (!warp_pointer || r == NULL)
3218                 return;
3219
3220         win = r->ws->focus;
3221         if (win && win->mapped)
3222                 xcb_warp_pointer(conn, XCB_NONE, win->id, 0, 0, 0, 0,
3223                     WIDTH(win) / 2, HEIGHT(win) / 2);
3224         else
3225                 xcb_warp_pointer(conn, XCB_NONE, r->id, 0, 0, 0, 0,
3226                     WIDTH(r) / 2, HEIGHT(r) / 2);
3227 }
3228
3229 struct swm_region *
3230 root_to_region(xcb_window_t root, int check)
3231 {
3232         struct ws_win                   *cfw;
3233         struct swm_region               *r = NULL;
3234         int                             i, num_screens;
3235         xcb_query_pointer_reply_t       *qpr;
3236         xcb_get_input_focus_reply_t     *gifr;
3237
3238         DNPRINTF(SWM_D_MISC, "root_to_region: win %#x\n", root);
3239
3240         num_screens = get_screen_count();
3241         for (i = 0; i < num_screens; i++)
3242                 if (screens[i].root == root)
3243                         break;
3244
3245         if (check & SWM_CK_REGION)
3246                 r = screens[i].r_focus;
3247
3248         if (r == NULL && check & SWM_CK_FOCUS) {
3249                 /* Try to find an actively focused window */
3250                 gifr = xcb_get_input_focus_reply(conn,
3251                     xcb_get_input_focus(conn), NULL);
3252                 if (gifr) {
3253                         cfw = find_window(gifr->focus);
3254                         if (cfw && cfw->ws->r)
3255                                 r = cfw->ws->r;
3256
3257                         free(gifr);
3258                 }
3259         }
3260
3261         if (r == NULL && check & SWM_CK_POINTER) {
3262                 /* No region with an active focus; try to use pointer. */
3263                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
3264                     screens[i].root), NULL);
3265                 if (qpr) {
3266                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
3267                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
3268                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3269                                 if (X(r) <= qpr->root_x &&
3270                                     qpr->root_x < MAX_X(r) &&
3271                                     Y(r) <= qpr->root_y &&
3272                                     qpr->root_y < MAX_Y(r))
3273                                         break;
3274                         free(qpr);
3275                 }
3276         }
3277
3278         /* Last resort. */
3279         if (r == NULL && check & SWM_CK_FALLBACK)
3280                 r = TAILQ_FIRST(&screens[i].rl);
3281
3282         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3283
3284         return (r);
3285 }
3286
3287 struct ws_win *
3288 find_unmanaged_window(xcb_window_t id)
3289 {
3290         struct ws_win           *win;
3291         int                     i, j, num_screens;
3292
3293         num_screens = get_screen_count();
3294         for (i = 0; i < num_screens; i++)
3295                 for (j = 0; j < workspace_limit; j++)
3296                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3297                             entry)
3298                                 if (id == win->id)
3299                                         return (win);
3300         return (NULL);
3301 }
3302
3303 struct ws_win *
3304 find_window(xcb_window_t id)
3305 {
3306         struct ws_win           *win;
3307         int                     i, j, num_screens;
3308         xcb_query_tree_reply_t  *r;
3309
3310         num_screens = get_screen_count();
3311         for (i = 0; i < num_screens; i++)
3312                 for (j = 0; j < workspace_limit; j++)
3313                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3314                                 if (id == win->id)
3315                                         return (win);
3316
3317         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3318         if (r == NULL)
3319                 return (NULL);
3320
3321         /* if we were looking for the parent return that window instead */
3322         if (r->parent == 0 || r->root == r->parent) {
3323                 free(r);
3324                 return (NULL);
3325         }
3326
3327         /* look for parent */
3328         for (i = 0; i < num_screens; i++)
3329                 for (j = 0; j < workspace_limit; j++)
3330                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3331                                 if (r->parent == win->id) {
3332                                         free(r);
3333                                         return (win);
3334                                 }
3335
3336         free(r);
3337         return (NULL);
3338 }
3339
3340 void
3341 spawn(int ws_idx, union arg *args, bool close_fd)
3342 {
3343         int                     fd;
3344         char                    *ret = NULL;
3345
3346         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3347
3348         close(xcb_get_file_descriptor(conn));
3349
3350         setenv("LD_PRELOAD", SWM_LIB, 1);
3351
3352         if (asprintf(&ret, "%d", ws_idx) == -1) {
3353                 warn("spawn: asprintf SWM_WS");
3354                 _exit(1);
3355         }
3356         setenv("_SWM_WS", ret, 1);
3357         free(ret);
3358         ret = NULL;
3359
3360         if (asprintf(&ret, "%d", getpid()) == -1) {
3361                 warn("spawn: asprintf _SWM_PID");
3362                 _exit(1);
3363         }
3364         setenv("_SWM_PID", ret, 1);
3365         free(ret);
3366         ret = NULL;
3367
3368         if (setsid() == -1) {
3369                 warn("spawn: setsid");
3370                 _exit(1);
3371         }
3372
3373         if (close_fd) {
3374                 /*
3375                  * close stdin and stdout to prevent interaction between apps
3376                  * and the baraction script
3377                  * leave stderr open to record errors
3378                 */
3379                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3380                         warn("spawn: open");
3381                         _exit(1);
3382                 }
3383                 dup2(fd, STDIN_FILENO);
3384                 dup2(fd, STDOUT_FILENO);
3385                 if (fd > 2)
3386                         close(fd);
3387         }
3388
3389         execvp(args->argv[0], args->argv);
3390
3391         warn("spawn: execvp");
3392         _exit(1);
3393 }
3394
3395 void
3396 kill_refs(struct ws_win *win)
3397 {
3398         int                     i, x, num_screens;
3399         struct swm_region       *r;
3400         struct workspace        *ws;
3401
3402         if (win == NULL)
3403                 return;
3404
3405         num_screens = get_screen_count();
3406         for (i = 0; i < num_screens; i++)
3407                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3408                         for (x = 0; x < workspace_limit; x++) {
3409                                 ws = &r->s->ws[x];
3410                                 if (win == ws->focus)
3411                                         ws->focus = NULL;
3412                                 if (win == ws->focus_prev)
3413                                         ws->focus_prev = NULL;
3414                         }
3415 }
3416
3417 int
3418 validate_win(struct ws_win *testwin)
3419 {
3420         struct ws_win           *win;
3421         struct workspace        *ws;
3422         struct swm_region       *r;
3423         int                     i, x, num_screens;
3424
3425         if (testwin == NULL)
3426                 return (0);
3427
3428         num_screens = get_screen_count();
3429         for (i = 0; i < num_screens; i++)
3430                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3431                         for (x = 0; x < workspace_limit; x++) {
3432                                 ws = &r->s->ws[x];
3433                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3434                                         if (win == testwin)
3435                                                 return (0);
3436                         }
3437         return (1);
3438 }
3439
3440 int
3441 validate_ws(struct workspace *testws)
3442 {
3443         struct swm_region       *r;
3444         struct workspace        *ws;
3445         int                     i, x, num_screens;
3446
3447         /* validate all ws */
3448         num_screens = get_screen_count();
3449         for (i = 0; i < num_screens; i++)
3450                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3451                         for (x = 0; x < workspace_limit; x++) {
3452                                 ws = &r->s->ws[x];
3453                                 if (ws == testws)
3454                                         return (0);
3455                         }
3456         return (1);
3457 }
3458
3459 void
3460 unfocus_win(struct ws_win *win)
3461 {
3462         xcb_window_t            none = XCB_WINDOW_NONE;
3463
3464         DNPRINTF(SWM_D_FOCUS, "unfocus_win: win %#x\n", WINID(win));
3465
3466         if (win == NULL)
3467                 return;
3468
3469         if (win->ws == NULL) {
3470                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3471                 return;
3472         }
3473
3474         if (validate_ws(win->ws)) {
3475                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3476                 return;
3477         }
3478
3479         if (win->ws->r == NULL) {
3480                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3481                 return;
3482         }
3483
3484         if (validate_win(win)) {
3485                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3486                 kill_refs(win);
3487                 return;
3488         }
3489
3490         if (win->ws->focus == win) {
3491                 win->ws->focus = NULL;
3492                 win->ws->focus_prev = win;
3493         }
3494
3495         if (validate_win(win->ws->focus)) {
3496                 kill_refs(win->ws->focus);
3497                 win->ws->focus = NULL;
3498         }
3499
3500         if (validate_win(win->ws->focus_prev)) {
3501                 kill_refs(win->ws->focus_prev);
3502                 win->ws->focus_prev = NULL;
3503         }
3504
3505         update_window_color(win);
3506
3507         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3508             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3509
3510         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3511 }
3512
3513 void
3514 focus_win(struct ws_win *win)
3515 {
3516         struct ws_win                   *cfw = NULL, *parent = NULL, *w, *tmpw;
3517         struct workspace                *ws;
3518         xcb_get_input_focus_reply_t     *gifr;
3519
3520         DNPRINTF(SWM_D_FOCUS, "focus_win: win %#x\n", WINID(win));
3521
3522         if (win == NULL || win->ws == NULL || !win->mapped)
3523                 goto out;
3524
3525         ws = win->ws;
3526
3527         if (validate_ws(ws))
3528                 goto out;
3529
3530         if (validate_win(win)) {
3531                 kill_refs(win);
3532                 goto out;
3533         }
3534
3535         gifr = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3536         if (gifr) {
3537                 cfw = find_window(gifr->focus);
3538                 if (cfw != NULL && cfw != win) {
3539                         if (cfw->ws != ws && cfw->ws->r != NULL) {
3540                                 /* Change border to unfocused color. */
3541                                 xcb_change_window_attributes(conn, cfw->id,
3542                                     XCB_CW_BORDER_PIXEL,
3543                                     &cfw->s->c[(MAXIMIZED(cfw) ?
3544                                     SWM_S_COLOR_UNFOCUS_MAXIMIZED :
3545                                     SWM_S_COLOR_UNFOCUS)].pixel);
3546                         } else {
3547                                 unfocus_win(cfw);
3548                         }
3549                 }
3550                 free(gifr);
3551         }
3552
3553         if (ws->focus != win) {
3554                 if (ws->focus && ws->focus != cfw)
3555                         unfocus_win(ws->focus);
3556                 ws->focus = win;
3557         }
3558
3559         /* If this window directs focus to a child window, then clear. */
3560         if (win->focus_child)
3561                 win->focus_child = NULL;
3562
3563         /* If transient, adjust parent's focus child for focus_magic. */
3564         if (TRANS(win)) {
3565                 parent = find_window(win->transient);
3566                 if (parent && parent->focus_child != win)
3567                         parent->focus_child = win;
3568         }
3569
3570         if (cfw != win && ws->r != NULL) {
3571                 /* Set input focus if no input hint, or indicated by hint. */
3572                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3573                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3574                      win->hints.input))
3575                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3576                                         win->id, last_event_time);
3577                 else
3578                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3579                             ws->r->id, XCB_CURRENT_TIME);
3580
3581                 /* Tell app it can adjust focus to a specific window. */
3582                 if (win->take_focus) {
3583                         /* java is special; always tell parent */
3584                         if (TRANS(win) && win->java)
3585                                 client_msg(parent, a_takefocus,
3586                                     last_event_time);
3587                         else
3588                                 client_msg(win, a_takefocus, last_event_time);
3589                 }
3590
3591                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3592                     ws->always_raise) {
3593                         /* If a parent exists, map it first. */
3594                         if (parent) {
3595                                 raise_window(parent);
3596                                 map_window(parent);
3597
3598                                 /* Map siblings next. */
3599                                 TAILQ_FOREACH_SAFE(w, &ws->stack, stack_entry,
3600                                     tmpw)
3601                                         if (w != win && !ICONIC(w) &&
3602                                             w->transient == parent->id) {
3603                                                 raise_window(w);
3604                                                 map_window(w);
3605                                         }
3606                         }
3607
3608                         /* Map focused window. */
3609                         raise_window(win);
3610                         map_window(win);
3611
3612                         /* Stack any children of focus window. */
3613                         TAILQ_FOREACH_SAFE(w, &ws->stack, stack_entry, tmpw)
3614                                 if (w->transient == win->id && !ICONIC(w)) {
3615                                         raise_window(w);
3616                                         map_window(w);
3617                                 }
3618                 } else if (tile_gap < 0 && !ABOVE(win)) {
3619                         /*
3620                          * Windows overlap in the layout.
3621                          * Raise focused win above all tiled wins.
3622                          */
3623                         raise_window(win);
3624                         map_window(win);
3625                 }
3626
3627                 set_region(ws->r);
3628
3629                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3630                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3631                     &win->id);
3632         }
3633
3634         if (cfw != win)
3635                 /* Update window border even if workspace is hidden. */
3636                 update_window_color(win);
3637
3638 out:
3639         bar_draw();
3640
3641         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3642 }
3643
3644 /* If a child window should have focus instead, return it. */
3645 struct ws_win *
3646 get_focus_magic(struct ws_win *win)
3647 {
3648         struct ws_win   *parent = NULL;
3649         struct ws_win   *child = NULL;
3650
3651         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: win %#x\n", WINID(win));
3652         if (win == NULL)
3653                 return win;
3654
3655         if (TRANS(win)) {
3656                 parent = find_window(win->transient);
3657
3658                 /* If parent prefers focus elsewhere, then try to do so. */
3659                 if (parent && (child = parent->focus_child)) {
3660                         if (validate_win(child) == 0 && child->mapped)
3661                                 win = child;
3662                         else
3663                                 parent->focus_child = NULL;
3664                 }
3665         }
3666
3667         /* If this window prefers focus elsewhere, then try to do so. */
3668         if ((child = win->focus_child)) {
3669                 if (validate_win(child) == 0 && child->mapped)
3670                         win = child;
3671                 else
3672                         win->focus_child = NULL;
3673         }
3674
3675         return win;
3676 }
3677
3678 void
3679 event_drain(uint8_t rt)
3680 {
3681         xcb_generic_event_t     *evt;
3682
3683         /* ensure all pending requests have been processed before filtering. */
3684         xcb_aux_sync(conn);
3685         while ((evt = xcb_poll_for_event(conn))) {
3686                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3687                         event_handle(evt);
3688
3689                 free(evt);
3690         }
3691 }
3692
3693 void
3694 set_region(struct swm_region *r)
3695 {
3696         struct swm_region       *rf;
3697         int                     vals[2];
3698
3699         if (r == NULL)
3700                 return;
3701
3702         rf = r->s->r_focus;
3703         /* Unfocus old region bar. */
3704         if (rf != NULL) {
3705                 if (rf == r)
3706                         return;
3707
3708                 xcb_change_window_attributes(conn, rf->bar->id,
3709                     XCB_CW_BORDER_PIXEL,
3710                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3711         }
3712
3713         if (rf != NULL && rf != r && (X(rf) != X(r) || Y(rf) != Y(r) ||
3714             WIDTH(rf) != WIDTH(r) || HEIGHT(rf) != HEIGHT(r))) {
3715                 /* Set _NET_DESKTOP_GEOMETRY. */
3716                 vals[0] = WIDTH(r);
3717                 vals[1] = HEIGHT(r);
3718                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, r->s->root,
3719                     ewmh[_NET_DESKTOP_GEOMETRY].atom, XCB_ATOM_CARDINAL, 32, 2,
3720                     &vals);
3721         }
3722
3723         /* Set region bar border to focus_color. */
3724         xcb_change_window_attributes(conn, r->bar->id,
3725             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3726
3727         r->s->r_focus = r;
3728
3729         ewmh_update_current_desktop();
3730 }
3731
3732 void
3733 focus_region(struct swm_region *r)
3734 {
3735         struct ws_win           *nfw;
3736         struct swm_region       *old_r;
3737
3738         if (r == NULL)
3739                 return;
3740
3741         old_r = r->s->r_focus;
3742         set_region(r);
3743
3744         nfw = get_region_focus(r);
3745         if (nfw) {
3746                 focus_win(nfw);
3747         } else {
3748                 /* New region is empty; need to manually unfocus win. */
3749                 if (old_r)
3750                         unfocus_win(old_r->ws->focus);
3751
3752                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3753                     XCB_CURRENT_TIME);
3754
3755                 /* Clear bar since empty. */
3756                 bar_draw();
3757         }
3758 }
3759
3760 void
3761 switchws(struct swm_region *r, union arg *args)
3762 {
3763         struct swm_region       *this_r, *other_r;
3764         struct ws_win           *win;
3765         struct workspace        *new_ws, *old_ws;
3766         xcb_window_t            none = XCB_WINDOW_NONE;
3767         int                     wsid = args->id;
3768         bool                    unmap_old = false;
3769
3770         if (!(r && r->s))
3771                 return;
3772
3773         if (wsid >= workspace_limit)
3774                 return;
3775
3776         this_r = r;
3777         old_ws = this_r->ws;
3778         new_ws = &this_r->s->ws[wsid];
3779
3780         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3781             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3782
3783         if (new_ws == NULL || old_ws == NULL)
3784                 return;
3785         if (new_ws == old_ws)
3786                 return;
3787
3788         if ((win = old_ws->focus) != NULL) {
3789                 update_window_color(win);
3790
3791                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3792                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3793                     &none);
3794         }
3795
3796         other_r = new_ws->r;
3797         if (other_r == NULL) {
3798                 /* the other workspace is hidden, hide this one */
3799                 old_ws->r = NULL;
3800                 unmap_old = true;
3801         } else {
3802                 /* the other ws is visible in another region, exchange them */
3803                 other_r->ws_prior = new_ws;
3804                 other_r->ws = old_ws;
3805                 old_ws->r = other_r;
3806         }
3807         this_r->ws_prior = old_ws;
3808         this_r->ws = new_ws;
3809         new_ws->r = this_r;
3810
3811         /* Set focus_pending before stacking, if needed. */
3812         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3813             validate_win(new_ws->focus_pending))) {
3814                 new_ws->focus_pending = get_region_focus(new_ws->r);
3815                 new_ws->focus = new_ws->focus_prev;
3816                 new_ws->focus_prev = NULL;
3817         }
3818
3819         new_ws->state = SWM_WS_STATE_MAPPING;
3820         stack();
3821
3822         /* unmap old windows */
3823         if (unmap_old) {
3824                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3825                         unmap_window(win);
3826                 old_ws->state = SWM_WS_STATE_HIDDEN;
3827         }
3828
3829         /* if workspaces were swapped, then don't wait to set focus */
3830         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3831                 if (new_ws->focus_pending) {
3832                         focus_win(new_ws->focus_pending);
3833                         new_ws->focus_pending = NULL;
3834                 }
3835         }
3836
3837         /* Clear bar and set focus on region input win if new ws is empty. */
3838         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3839                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3840                     XCB_CURRENT_TIME);
3841                 bar_draw();
3842         }
3843
3844         ewmh_update_current_desktop();
3845
3846         center_pointer(r);
3847         focus_flush();
3848         new_ws->state = SWM_WS_STATE_MAPPED;
3849
3850         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3851 }
3852
3853 void
3854 cyclews(struct swm_region *r, union arg *args)
3855 {
3856         union                   arg a;
3857         struct swm_screen       *s = r->s;
3858         bool                    cycle_all = false, mv = false;
3859
3860         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3861             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3862
3863         a.id = r->ws->idx;
3864
3865         do {
3866                 switch (args->id) {
3867                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3868                         mv = true;
3869                         /* FALLTHROUGH */
3870                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3871                         cycle_all = true;
3872                         /* FALLTHROUGH */
3873                 case SWM_ARG_ID_CYCLEWS_UP:
3874                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3875                         break;
3876                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3877                         mv = true;
3878                         /* FALLTHROUGH */
3879                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3880                         cycle_all = true;
3881                         /* FALLTHROUGH */
3882                 case SWM_ARG_ID_CYCLEWS_DOWN:
3883                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3884                         break;
3885                 default:
3886                         return;
3887                 };
3888
3889                 if (!cycle_all &&
3890                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3891                         continue;
3892                 if (!cycle_visible && s->ws[a.id].r != NULL)
3893                         continue;
3894
3895                 if (mv)
3896                         send_to_ws(r, &a);
3897
3898                 switchws(r, &a);
3899         } while (a.id != r->ws->idx);
3900
3901         DNPRINTF(SWM_D_FOCUS, "cyclews: done\n");
3902 }
3903
3904 void
3905 priorws(struct swm_region *r, union arg *args)
3906 {
3907         union arg               a;
3908
3909         (void)args;
3910
3911         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3912             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3913
3914         if (r->ws_prior == NULL)
3915                 return;
3916
3917         a.id = r->ws_prior->idx;
3918         switchws(r, &a);
3919         DNPRINTF(SWM_D_FOCUS, "priorws: done\n");
3920 }
3921
3922 void
3923 focusrg(struct swm_region *r, union arg *args)
3924 {
3925         int                     ridx = args->id, i, num_screens;
3926         struct swm_region       *rr = NULL;
3927
3928         num_screens = get_screen_count();
3929         /* do nothing if we don't have more than one screen */
3930         if (!(num_screens > 1 || outputs > 1))
3931                 return;
3932
3933         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3934
3935         rr = TAILQ_FIRST(&r->s->rl);
3936         for (i = 0; i < ridx && rr != NULL; ++i)
3937                 rr = TAILQ_NEXT(rr, entry);
3938
3939         if (rr == NULL)
3940                 return;
3941
3942         focus_region(rr);
3943         center_pointer(rr);
3944         focus_flush();
3945         DNPRINTF(SWM_D_FOCUS, "focusrg: done\n");
3946 }
3947
3948 void
3949 cyclerg(struct swm_region *r, union arg *args)
3950 {
3951         struct swm_region       *rr = NULL;
3952         int                     i, num_screens;
3953
3954         num_screens = get_screen_count();
3955         /* do nothing if we don't have more than one screen */
3956         if (!(num_screens > 1 || outputs > 1))
3957                 return;
3958
3959         i = r->s->idx;
3960         DNPRINTF(SWM_D_FOCUS, "cyclerg: id: %d, region: %d\n", args->id, i);
3961
3962         switch (args->id) {
3963         case SWM_ARG_ID_CYCLERG_UP:
3964                 rr = TAILQ_NEXT(r, entry);
3965                 if (rr == NULL)
3966                         rr = TAILQ_FIRST(&screens[i].rl);
3967                 break;
3968         case SWM_ARG_ID_CYCLERG_DOWN:
3969                 rr = TAILQ_PREV(r, swm_region_list, entry);
3970                 if (rr == NULL)
3971                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3972                 break;
3973         default:
3974                 return;
3975         };
3976         if (rr == NULL)
3977                 return;
3978
3979         focus_region(rr);
3980         center_pointer(rr);
3981         focus_flush();
3982         DNPRINTF(SWM_D_FOCUS, "cyclerg: done\n");
3983 }
3984
3985 /* Sorts transients after parent. */
3986 void
3987 sort_windows(struct ws_win_list *wl)
3988 {
3989         struct ws_win           *win, *parent, *nxt;
3990
3991         if (wl == NULL)
3992                 return;
3993
3994         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3995                 nxt = TAILQ_NEXT(win, entry);
3996                 if (TRANS(win)) {
3997                         parent = find_window(win->transient);
3998                         if (parent == NULL) {
3999                                 warnx("not possible bug");
4000                                 continue;
4001                         }
4002                         TAILQ_REMOVE(wl, win, entry);
4003                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
4004                 }
4005         }
4006 }
4007
4008 void
4009 swapwin(struct swm_region *r, union arg *args)
4010 {
4011         struct ws_win           *target, *source;
4012         struct ws_win           *cur_focus;
4013         struct ws_win_list      *wl;
4014
4015         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
4016             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
4017
4018         cur_focus = r->ws->focus;
4019         if (cur_focus == NULL || FULLSCREEN(cur_focus))
4020                 return;
4021
4022         /* Adjust stacking in floating layer. */
4023         if (ABOVE(cur_focus)) {
4024                 switch (args->id) {
4025                 case SWM_ARG_ID_SWAPPREV:
4026                         target = TAILQ_PREV(cur_focus, ws_win_stack,
4027                             stack_entry);
4028                         if (target != NULL && FLOATING(target)) {
4029                                 TAILQ_REMOVE(&cur_focus->ws->stack, cur_focus,
4030                                     stack_entry);
4031                                 TAILQ_INSERT_BEFORE(target, cur_focus,
4032                                     stack_entry);
4033                                 update_win_stacking(cur_focus);
4034                                 focus_flush();
4035                         }
4036                         break;
4037                 case SWM_ARG_ID_SWAPNEXT:
4038                         target = TAILQ_NEXT(cur_focus, stack_entry);
4039                         if (target != NULL && FLOATING(target)) {
4040                                 TAILQ_REMOVE(&cur_focus->ws->stack, cur_focus,
4041                                     stack_entry);
4042                                 TAILQ_INSERT_AFTER(&cur_focus->ws->stack,
4043                                     target, cur_focus, stack_entry);
4044                                 update_win_stacking(cur_focus);
4045                                 focus_flush();
4046                         }
4047                         break;
4048                 }
4049                 goto out;
4050         }
4051
4052         if (r->ws->cur_layout == &layouts[SWM_MAX_STACK])
4053                 return;
4054
4055         clear_maximized(r->ws);
4056
4057         source = cur_focus;
4058         wl = &source->ws->winlist;
4059
4060         switch (args->id) {
4061         case SWM_ARG_ID_SWAPPREV:
4062                 if (TRANS(source))
4063                         source = find_window(source->transient);
4064                 target = TAILQ_PREV(source, ws_win_list, entry);
4065                 if (target && target->transient)
4066                         target = find_window(target->transient);
4067                 TAILQ_REMOVE(wl, source, entry);
4068                 if (target == NULL)
4069                         TAILQ_INSERT_TAIL(wl, source, entry);
4070                 else
4071                         TAILQ_INSERT_BEFORE(target, source, entry);
4072                 break;
4073         case SWM_ARG_ID_SWAPNEXT:
4074                 target = TAILQ_NEXT(source, entry);
4075                 /* move the parent and let the sort handle the move */
4076                 if (TRANS(source))
4077                         source = find_window(source->transient);
4078                 TAILQ_REMOVE(wl, source, entry);
4079                 if (target == NULL)
4080                         TAILQ_INSERT_HEAD(wl, source, entry);
4081                 else
4082                         TAILQ_INSERT_AFTER(wl, target, source, entry);
4083                 break;
4084         case SWM_ARG_ID_SWAPMAIN:
4085                 target = TAILQ_FIRST(wl);
4086                 if (target == source) {
4087                         if (source->ws->focus_prev != NULL &&
4088                             source->ws->focus_prev != target)
4089                                 source = source->ws->focus_prev;
4090                         else
4091                                 return;
4092                 }
4093                 if (target == NULL || source == NULL)
4094                         return;
4095                 source->ws->focus_prev = target;
4096                 TAILQ_REMOVE(wl, target, entry);
4097                 TAILQ_INSERT_BEFORE(source, target, entry);
4098                 TAILQ_REMOVE(wl, source, entry);
4099                 TAILQ_INSERT_HEAD(wl, source, entry);
4100                 break;
4101         case SWM_ARG_ID_MOVELAST:
4102                 TAILQ_REMOVE(wl, source, entry);
4103                 TAILQ_INSERT_TAIL(wl, source, entry);
4104                 break;
4105         default:
4106                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
4107                 return;
4108         }
4109
4110         sort_windows(wl);
4111         ewmh_update_client_list();
4112
4113         stack();
4114         focus_flush();
4115 out:
4116         DNPRINTF(SWM_D_MOVE, "swapwin: done\n");
4117 }
4118
4119 struct ws_win *
4120 get_focus_prev(struct ws_win *win)
4121 {
4122         struct ws_win           *winfocus = NULL;
4123         struct ws_win           *cur_focus = NULL;
4124         struct ws_win_list      *wl = NULL;
4125         struct workspace        *ws = NULL;
4126
4127         if (!(win && win->ws))
4128                 return NULL;
4129
4130         ws = win->ws;
4131         wl = &ws->winlist;
4132         cur_focus = ws->focus;
4133
4134         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: win %#x, cur_focus: %#x, "
4135             "focus_prev: %#x\n", WINID(win), WINID(cur_focus),
4136             WINID(ws->focus_prev));
4137
4138         /* pickle, just focus on whatever */
4139         if (cur_focus == NULL) {
4140                 /* use prev_focus if valid */
4141                 if (ws->focus_prev && find_window(ws->focus_prev->id))
4142                         winfocus = ws->focus_prev;
4143                 goto done;
4144         }
4145
4146         /* if transient focus on parent */
4147         if (TRANS(cur_focus)) {
4148                 winfocus = find_window(cur_focus->transient);
4149                 goto done;
4150         }
4151
4152         /* if in max_stack try harder */
4153         if ((win->quirks & SWM_Q_FOCUSPREV) ||
4154             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
4155                 if (cur_focus != ws->focus_prev)
4156                         winfocus = ws->focus_prev;
4157                 else
4158                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
4159                 if (winfocus)
4160                         goto done;
4161         }
4162
4163         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
4164
4165         if (winfocus == NULL || winfocus == win) {
4166                 switch (focus_close) {
4167                 case SWM_STACK_BOTTOM:
4168                         TAILQ_FOREACH(winfocus, wl, entry)
4169                                 if (!ICONIC(winfocus) && winfocus != cur_focus)
4170                                         break;
4171                         break;
4172                 case SWM_STACK_TOP:
4173                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
4174                                 if (!ICONIC(winfocus) && winfocus != cur_focus)
4175                                         break;
4176                         break;
4177                 case SWM_STACK_ABOVE:
4178                         winfocus = TAILQ_NEXT(cur_focus, entry);
4179                         while (winfocus && ICONIC(winfocus))
4180                                 winfocus = TAILQ_NEXT(winfocus, entry);
4181
4182                         if (winfocus == NULL) {
4183                                 if (focus_close_wrap) {
4184                                         TAILQ_FOREACH(winfocus, wl, entry)
4185                                                 if (!ICONIC(winfocus) &&
4186                                                     winfocus != cur_focus)
4187                                                         break;
4188                                 } else {
4189                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
4190                                             ws_win_list, entry)
4191                                                 if (!ICONIC(winfocus) &&
4192                                                     winfocus != cur_focus)
4193                                                         break;
4194                                 }
4195                         }
4196                         break;
4197                 case SWM_STACK_BELOW:
4198                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
4199                         while (winfocus && ICONIC(winfocus))
4200                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
4201                                     entry);
4202
4203                         if (winfocus == NULL) {
4204                                 if (focus_close_wrap) {
4205                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
4206                                             ws_win_list, entry)
4207                                                 if (!ICONIC(winfocus) &&
4208                                                     winfocus != cur_focus)
4209                                                         break;
4210                                 } else {
4211                                         TAILQ_FOREACH(winfocus, wl, entry)
4212                                                 if (!ICONIC(winfocus) &&
4213                                                     winfocus != cur_focus)
4214                                                         break;
4215                                 }
4216                         }
4217                         break;
4218                 }
4219         }
4220 done:
4221         if (winfocus == NULL ||
4222             (winfocus && (ICONIC(winfocus) || winfocus == cur_focus))) {
4223                 if (focus_default == SWM_STACK_TOP) {
4224                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
4225                                 if (!ICONIC(winfocus) && winfocus != cur_focus)
4226                                         break;
4227                 } else {
4228                         TAILQ_FOREACH(winfocus, wl, entry)
4229                                 if (!ICONIC(winfocus) && winfocus != cur_focus)
4230                                         break;
4231                 }
4232         }
4233
4234         kill_refs(win);
4235
4236         return get_focus_magic(winfocus);
4237 }
4238
4239 struct ws_win *
4240 get_region_focus(struct swm_region *r)
4241 {
4242         struct ws_win           *winfocus = NULL;
4243
4244         if (!(r && r->ws))
4245                 return NULL;
4246
4247         if (r->ws->focus && !ICONIC(r->ws->focus))
4248                 winfocus = r->ws->focus;
4249         else if (r->ws->focus_prev && !ICONIC(r->ws->focus_prev))
4250                 winfocus = r->ws->focus_prev;
4251         else
4252                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
4253                         if (!ICONIC(winfocus))
4254                                 break;
4255
4256         return get_focus_magic(winfocus);
4257 }
4258
4259 void
4260 focus(struct swm_region *r, union arg *args)
4261 {
4262         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
4263         struct ws_win_list      *wl = NULL;
4264         struct workspace        *ws = NULL;
4265         union arg               a;
4266         int                     i;
4267         xcb_icccm_wm_hints_t    hints;
4268
4269         if (!(r && r->ws))
4270                 goto out;
4271
4272         cur_focus = r->ws->focus;
4273         ws = r->ws;
4274         wl = &ws->winlist;
4275
4276         DNPRINTF(SWM_D_FOCUS, "focus: id: %d, cur_focus: %#x\n", args->id,
4277             WINID(cur_focus));
4278
4279         /* Make sure an uniconified window has focus, if one exists. */
4280         if (cur_focus == NULL) {
4281                 cur_focus = TAILQ_FIRST(wl);
4282                 while (cur_focus != NULL && ICONIC(cur_focus))
4283                         cur_focus = TAILQ_NEXT(cur_focus, entry);
4284
4285                 DNPRINTF(SWM_D_FOCUS, "focus: new cur_focus: %#x\n",
4286                     WINID(cur_focus));
4287         }
4288
4289         switch (args->id) {
4290         case SWM_ARG_ID_FOCUSPREV:
4291                 if (cur_focus == NULL)
4292                         goto out;
4293
4294                 winfocus = cur_focus;
4295                 do {
4296                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
4297                         if (winfocus == NULL)
4298                                 winfocus = TAILQ_LAST(wl, ws_win_list);
4299                         if (winfocus == cur_focus)
4300                                 break;
4301                 } while (winfocus && (ICONIC(winfocus) ||
4302                     winfocus->id == cur_focus->transient ||
4303                     (cur_focus->transient != XCB_WINDOW_NONE &&
4304                     winfocus->transient == cur_focus->transient)));
4305                 break;
4306         case SWM_ARG_ID_FOCUSNEXT:
4307                 if (cur_focus == NULL)
4308                         goto out;
4309
4310                 winfocus = cur_focus;
4311                 do {
4312                         winfocus = TAILQ_NEXT(winfocus, entry);
4313                         if (winfocus == NULL)
4314                                 winfocus = TAILQ_FIRST(wl);
4315                         if (winfocus == cur_focus)
4316                                 break;
4317                 } while (winfocus && (ICONIC(winfocus) ||
4318                     winfocus->id == cur_focus->transient ||
4319                     (cur_focus->transient != XCB_WINDOW_NONE &&
4320                     winfocus->transient == cur_focus->transient)));
4321                 break;
4322         case SWM_ARG_ID_FOCUSMAIN:
4323                 if (cur_focus == NULL)
4324                         goto out;
4325
4326                 winfocus = TAILQ_FIRST(wl);
4327                 if (winfocus == cur_focus)
4328                         winfocus = cur_focus->ws->focus_prev;
4329                 break;
4330         case SWM_ARG_ID_FOCUSURGENT:
4331                 /* Search forward for the next urgent window. */
4332                 winfocus = NULL;
4333                 head = cur_focus;
4334
4335                 for (i = 0; i <= workspace_limit; ++i) {
4336                         if (head == NULL)
4337                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4338                                     workspace_limit].winlist);
4339
4340                         while (head != NULL &&
4341                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4342                                 if (head == cur_focus) {
4343                                         winfocus = cur_focus;
4344                                         break;
4345                                 }
4346                                 if (xcb_icccm_get_wm_hints_reply(conn,
4347                                     xcb_icccm_get_wm_hints(conn, head->id),
4348                                     &hints, NULL) != 0 &&
4349                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4350                                         winfocus = head;
4351                                         break;
4352                                 }
4353                         }
4354
4355                         if (winfocus != NULL)
4356                                 break;
4357                 }
4358
4359                 /* Switch ws if new focus is on a different ws. */
4360                 if (winfocus != NULL && winfocus->ws != ws) {
4361                         a.id = winfocus->ws->idx;
4362                         switchws(r, &a);
4363                 }
4364                 break;
4365         default:
4366                 goto out;
4367         }
4368
4369         if (clear_maximized(ws) > 0)
4370                 stack();
4371
4372         focus_win(get_focus_magic(winfocus));
4373         center_pointer(r);
4374         focus_flush();
4375
4376 out:
4377         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4378 }
4379
4380 void
4381 cycle_layout(struct swm_region *r, union arg *args)
4382 {
4383         struct workspace        *ws = r->ws;
4384
4385         /* suppress unused warning since var is needed */
4386         (void)args;
4387
4388         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4389
4390         ws->cur_layout++;
4391         if (ws->cur_layout->l_stack == NULL)
4392                 ws->cur_layout = &layouts[0];
4393
4394         clear_maximized(ws);
4395
4396         stack();
4397         bar_draw();
4398
4399         focus_win(get_region_focus(r));
4400
4401         focus_flush();
4402 }
4403
4404 void
4405 stack_config(struct swm_region *r, union arg *args)
4406 {
4407         struct workspace        *ws = r->ws;
4408
4409         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4410             args->id, ws->idx);
4411
4412         if (clear_maximized(ws) > 0)
4413                 stack();
4414
4415         if (ws->cur_layout->l_config != NULL)
4416                 ws->cur_layout->l_config(ws, args->id);
4417
4418         if (args->id != SWM_ARG_ID_STACKINIT)
4419                 stack();
4420         bar_draw();
4421
4422         focus_flush();
4423 }
4424
4425 void
4426 stack(void) {
4427         struct swm_geometry     g;
4428         struct swm_region       *r, *r_prev = NULL;
4429         int                     i, num_screens;
4430         uint32_t                val[2];
4431 #ifdef SWM_DEBUG
4432         int j;
4433 #endif
4434
4435         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4436
4437         num_screens = get_screen_count();
4438         for (i = 0; i < num_screens; i++) {
4439 #ifdef SWM_DEBUG
4440                 j = 0;
4441 #endif
4442                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4443                         /* Adjust stack area for region bar and padding. */
4444                         g = r->g;
4445                         g.x += region_padding;
4446                         g.y += region_padding;
4447                         g.w -= 2 * border_width + 2 * region_padding;
4448                         g.h -= 2 * border_width + 2 * region_padding;
4449                         if (bar_enabled && r->ws->bar_enabled) {
4450                                 if (!bar_at_bottom)
4451                                         g.y += bar_height;
4452                                 g.h -= bar_height;
4453                         }
4454
4455                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d (screen: "
4456                             "%d, region: %d), (x,y) WxH: (%d,%d) %d x %d\n",
4457                             r->ws->idx, i, j++, g.x, g.y, g.w, g.h);
4458
4459                         if (r_prev) {
4460                                 /* Stack bar/input relative to prev. region. */
4461                                 val[1] = XCB_STACK_MODE_ABOVE;
4462
4463                                 val[0] = r_prev->id;
4464                                 DNPRINTF(SWM_D_STACK, "stack: region input %#x "
4465                                     "relative to %#x.\n", r->id, val[0]);
4466                                 xcb_configure_window(conn, r->id,
4467                                     XCB_CONFIG_WINDOW_SIBLING |
4468                                     XCB_CONFIG_WINDOW_STACK_MODE, val);
4469
4470                                 val[0] = r_prev->bar->id;
4471                                 DNPRINTF(SWM_D_STACK, "stack: region bar %#x "
4472                                     "relative to %#x.\n", r->bar->id, val[0]);
4473                                 xcb_configure_window(conn, r->bar->id,
4474                                     XCB_CONFIG_WINDOW_SIBLING |
4475                                     XCB_CONFIG_WINDOW_STACK_MODE, val);
4476                         }
4477
4478                         r->ws->cur_layout->l_stack(r->ws, &g);
4479                         r->ws->cur_layout->l_string(r->ws);
4480                         /* save r so we can track region changes */
4481                         r->ws->old_r = r;
4482                         r_prev = r;
4483                 }
4484         }
4485         if (font_adjusted)
4486                 font_adjusted--;
4487
4488         DNPRINTF(SWM_D_STACK, "stack: end\n");
4489 }
4490
4491 void
4492 store_float_geom(struct ws_win *win)
4493 {
4494         if (win == NULL || win->ws->r == NULL)
4495                 return;
4496
4497         /* retain window geom and region geom */
4498         win->g_float = win->g;
4499         win->g_float.x -= X(win->ws->r);
4500         win->g_float.y -= Y(win->ws->r);
4501         win->g_floatvalid = true;
4502         DNPRINTF(SWM_D_MISC, "store_float_geom: win %#x, g: (%d,%d)"
4503             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4504             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4505             win->g_float.w, win->g_float.h);
4506 }
4507
4508 void
4509 load_float_geom(struct ws_win *win)
4510 {
4511         if (win == NULL || win->ws->r == NULL)
4512                 return;
4513
4514         if (win->g_floatvalid) {
4515                 win->g = win->g_float;
4516                 X(win) += X(win->ws->r);
4517                 Y(win) += Y(win->ws->r);
4518                 DNPRINTF(SWM_D_MISC, "load_float_geom: win %#x, g: (%d,%d)"
4519                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4520                     HEIGHT(win));
4521         } else {
4522                 DNPRINTF(SWM_D_MISC, "load_float_geom: win %#x, g_float "
4523                     "is not set.\n", win->id);
4524         }
4525 }
4526
4527 void
4528 update_floater(struct ws_win *win)
4529 {
4530         struct workspace        *ws;
4531         struct swm_region       *r;
4532
4533         if (win == NULL)
4534                 return;
4535
4536         ws = win->ws;
4537
4538         if ((r = ws->r) == NULL)
4539                 return;
4540
4541         DNPRINTF(SWM_D_MISC, "update_floater: win %#x\n", win->id);
4542
4543         win->bordered = true;
4544
4545         if (FULLSCREEN(win)) {
4546                 /* _NET_WM_FULLSCREEN: fullscreen without border. */
4547                 if (!win->g_floatvalid)
4548                         store_float_geom(win);
4549
4550                 win->g = r->g;
4551                 win->bordered = false;
4552         } else if (MAXIMIZED(win)) {
4553                 /* Maximize: like a single stacked window. */
4554                 if (!win->g_floatvalid)
4555                         store_float_geom(win);
4556
4557                 win->g = r->g;
4558
4559                 if (bar_enabled && ws->bar_enabled) {
4560                         if (!bar_at_bottom)
4561                                 Y(win) += bar_height;
4562                         HEIGHT(win) -= bar_height;
4563                 } else if (disable_border) {
4564                         win->bordered = false;
4565                 }
4566
4567                 if (win->bordered) {
4568                         HEIGHT(win) -= 2 * border_width;
4569                         WIDTH(win) -= 2 * border_width;
4570                 }
4571         } else {
4572                 /* Normal floating window. */
4573                 /* Update geometry if new region. */
4574                 if (r != ws->old_r)
4575                         load_float_geom(win);
4576
4577                 if ((win->quirks & SWM_Q_FULLSCREEN) &&
4578                     WIDTH(win) >= WIDTH(r) && HEIGHT(win) >= HEIGHT(r)) {
4579                         /* Remove border for FULLSCREEN quirk. */
4580                         win->bordered = false;
4581                 } else if (!MANUAL(win)) {
4582                         if (TRANS(win) && (win->quirks & SWM_Q_TRANSSZ)) {
4583                                 /* Adjust size on TRANSSZ quirk. */
4584                                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4585                                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4586                         }
4587
4588                         if (!(win->quirks & SWM_Q_ANYWHERE)) {
4589                                 /*
4590                                  * Floaters and transients are auto-centred
4591                                  * unless manually moved, resized or ANYWHERE
4592                                  * quirk is set.
4593                                  */
4594                                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) / 2 -
4595                                     BORDER(win);
4596                                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 -
4597                                     BORDER(win);
4598                                 store_float_geom(win);
4599                         }
4600                 }
4601         }
4602
4603         /* Ensure at least 1 pixel of the window is in the region. */
4604         region_containment(win, r, SWM_CW_ALLSIDES);
4605
4606         update_window(win);
4607 }
4608
4609 /*
4610  * Send keystrokes to terminal to decrease/increase the font size as the
4611  * window size changes.
4612  */
4613 void
4614 adjust_font(struct ws_win *win)
4615 {
4616         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4617             ABOVE(win) || TRANS(win))
4618                 return;
4619
4620         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4621             WIDTH(win) / win->sh.width_inc < term_width &&
4622             win->font_steps < SWM_MAX_FONT_STEPS) {
4623                 win->font_size_boundary[win->font_steps] =
4624                     (win->sh.width_inc * term_width) + win->sh.base_width;
4625                 win->font_steps++;
4626                 font_adjusted++;
4627                 win->last_inc = win->sh.width_inc;
4628                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4629         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4630             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4631                 win->font_steps--;
4632                 font_adjusted++;
4633                 win->last_inc = win->sh.width_inc;
4634                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4635         }
4636 }
4637
4638 #define SWAPXY(g)       do {                            \
4639         int tmp;                                        \
4640         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4641         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4642 } while (0)
4643 void
4644 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, bool flip)
4645 {
4646         struct swm_geometry     win_g, r_g = *g;
4647         struct ws_win           *win;
4648         int                     i, j, s, stacks;
4649         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4650         int                     hrh, extra = 0, h_slice, last_h = 0;
4651         int                     split, colno, winno, mwin, msize, mscale;
4652         int                     remain, missing, v_slice;
4653         bool                    bordered = true, reconfigure = false;
4654
4655         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4656             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4657
4658         /* Prepare tiling variables, if needed. */
4659         if ((winno = count_win(ws, false)) > 0) {
4660                 /* Find first tiled window. */
4661                 TAILQ_FOREACH(win, &ws->winlist, entry)
4662                         if (!FLOATING(win) && !ICONIC(win))
4663                                 break;
4664
4665                 /* Take into account size hints of first tiled window. */
4666                 if (rot) {
4667                         w_inc = win->sh.width_inc;
4668                         w_base = win->sh.base_width;
4669                         mwin = ws->l_state.horizontal_mwin;
4670                         mscale = ws->l_state.horizontal_msize;
4671                         stacks = ws->l_state.horizontal_stacks;
4672                         SWAPXY(&r_g);
4673                 } else {
4674                         w_inc = win->sh.height_inc;
4675                         w_base = win->sh.base_height;
4676                         mwin = ws->l_state.vertical_mwin;
4677                         mscale = ws->l_state.vertical_msize;
4678                         stacks = ws->l_state.vertical_stacks;
4679                 }
4680                 win_g = r_g;
4681
4682                 if (stacks > winno - mwin)
4683                         stacks = winno - mwin;
4684                 if (stacks < 1)
4685                         stacks = 1;
4686
4687                 h_slice = r_g.h / SWM_H_SLICE;
4688                 if (mwin && winno > mwin) {
4689                         v_slice = r_g.w / SWM_V_SLICE;
4690
4691                         split = mwin;
4692                         colno = split;
4693                         win_g.w = v_slice * mscale;
4694
4695                         if (w_inc > 1 && w_inc < v_slice) {
4696                                 /* Adjust for requested size increment. */
4697                                 remain = (win_g.w - w_base) % w_inc;
4698                                 win_g.w -= remain;
4699                         }
4700
4701                         msize = win_g.w;
4702                         if (flip)
4703                                 win_g.x += r_g.w - msize;
4704                 } else {
4705                         msize = -2;
4706                         colno = split = winno / stacks;
4707                         win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4708                             2 * border_width) / stacks);
4709                 }
4710                 hrh = r_g.h / colno;
4711                 extra = r_g.h - (colno * hrh);
4712                 win_g.h = hrh - 2 * border_width;
4713                 i = j = 0, s = stacks;
4714         }
4715
4716         /* Update window geometry. */
4717         TAILQ_FOREACH(win, &ws->winlist, entry) {
4718                 if (ICONIC(win))
4719                         continue;
4720
4721                 if (FLOATING(win)) {
4722                         update_floater(win);
4723                         continue;
4724                 }
4725
4726                 /* Tiled. */
4727                 if (split && i == split) {
4728                         colno = (winno - mwin) / stacks;
4729                         if (s <= (winno - mwin) % stacks)
4730                                 colno++;
4731                         split += colno;
4732                         hrh = r_g.h / colno;
4733                         extra = r_g.h - (colno * hrh);
4734
4735                         if (!flip)
4736                                 win_g.x += win_g.w + 2 * border_width +
4737                                     tile_gap;
4738
4739                         win_g.w = (r_g.w - msize -
4740                             (stacks * (2 * border_width + tile_gap))) / stacks;
4741                         if (s == 1)
4742                                 win_g.w += (r_g.w - msize -
4743                                     (stacks * (2 * border_width + tile_gap))) %
4744                                     stacks;
4745
4746                         if (flip)
4747                                 win_g.x -= win_g.w + 2 * border_width +
4748                                     tile_gap;
4749                         s--;
4750                         j = 0;
4751                 }
4752
4753                 win_g.h = hrh - 2 * border_width - tile_gap;
4754
4755                 if (rot) {
4756                         h_inc = win->sh.width_inc;
4757                         h_base = win->sh.base_width;
4758                 } else {
4759                         h_inc = win->sh.height_inc;
4760                         h_base = win->sh.base_height;
4761                 }
4762
4763                 if (j == colno - 1) {
4764                         win_g.h = hrh + extra;
4765                 } else if (h_inc > 1 && h_inc < h_slice) {
4766                         /* adjust for window's requested size increment */
4767                         remain = (win_g.h - h_base) % h_inc;
4768                         missing = h_inc - remain;
4769
4770                         if (missing <= extra || j == 0) {
4771                                 extra -= missing;
4772                                 win_g.h += missing;
4773                         } else {
4774                                 win_g.h -= remain;
4775                                 extra += remain;
4776                         }
4777                 }
4778
4779                 if (j == 0)
4780                         win_g.y = r_g.y;
4781                 else
4782                         win_g.y += last_h + 2 * border_width + tile_gap;
4783
4784                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4785                     winno == 1){
4786                         bordered = false;
4787                         win_g.w += 2 * border_width;
4788                         win_g.h += 2 * border_width;
4789                 } else {
4790                         bordered = true;
4791                 }
4792
4793                 if (rot) {
4794                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4795                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4796                                 reconfigure = true;
4797                                 X(win) = win_g.y;
4798                                 Y(win) = win_g.x;
4799                                 WIDTH(win) = win_g.h;
4800                                 HEIGHT(win) = win_g.w;
4801                         }
4802                 } else {
4803                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4804                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4805                                 reconfigure = true;
4806                                 X(win) = win_g.x;
4807                                 Y(win) = win_g.y;
4808                                 WIDTH(win) = win_g.w;
4809                                 HEIGHT(win) = win_g.h;
4810                         }
4811                 }
4812
4813                 if (bordered != win->bordered) {
4814                         reconfigure = true;
4815                         win->bordered = bordered;
4816                 }
4817
4818                 if (reconfigure) {
4819                         adjust_font(win);
4820                         update_window(win);
4821                 }
4822
4823                 last_h = win_g.h;
4824                 i++;
4825                 j++;
4826         }
4827
4828         /* Stack all windows from bottom up. */
4829         TAILQ_FOREACH_REVERSE(win, &ws->stack, ws_win_stack, stack_entry)
4830                 if (!ICONIC(win))
4831                         update_win_stacking(win);
4832
4833         /* Map all windows from top down. */
4834         TAILQ_FOREACH(win, &ws->stack, stack_entry)
4835                 if (!ICONIC(win))
4836                         map_window(win);
4837
4838         DNPRINTF(SWM_D_STACK, "stack_master: done\n");
4839 }
4840
4841 void
4842 vertical_config(struct workspace *ws, int id)
4843 {
4844         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4845             id, ws->idx);
4846
4847         switch (id) {
4848         case SWM_ARG_ID_STACKRESET:
4849         case SWM_ARG_ID_STACKINIT:
4850                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4851                 ws->l_state.vertical_mwin = 1;
4852                 ws->l_state.vertical_stacks = 1;
4853                 break;
4854         case SWM_ARG_ID_MASTERSHRINK:
4855                 if (ws->l_state.vertical_msize > 1)
4856                         ws->l_state.vertical_msize--;
4857                 break;
4858         case SWM_ARG_ID_MASTERGROW:
4859                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4860                         ws->l_state.vertical_msize++;
4861                 break;
4862         case SWM_ARG_ID_MASTERADD:
4863                 ws->l_state.vertical_mwin++;
4864                 break;
4865         case SWM_ARG_ID_MASTERDEL:
4866                 if (ws->l_state.vertical_mwin > 0)
4867                         ws->l_state.vertical_mwin--;
4868                 break;
4869         case SWM_ARG_ID_STACKINC:
4870                 ws->l_state.vertical_stacks++;
4871                 break;
4872         case SWM_ARG_ID_STACKDEC:
4873                 if (ws->l_state.vertical_stacks > 1)
4874                         ws->l_state.vertical_stacks--;
4875                 break;
4876         case SWM_ARG_ID_FLIPLAYOUT:
4877                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4878                 break;
4879         default:
4880                 return;
4881         }
4882 }
4883
4884 void
4885 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4886 {
4887         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4888
4889         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4890 }
4891
4892 void
4893 horizontal_config(struct workspace *ws, int id)
4894 {
4895         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4896
4897         switch (id) {
4898         case SWM_ARG_ID_STACKRESET:
4899         case SWM_ARG_ID_STACKINIT:
4900                 ws->l_state.horizontal_mwin = 1;
4901                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4902                 ws->l_state.horizontal_stacks = 1;
4903                 break;
4904         case SWM_ARG_ID_MASTERSHRINK:
4905                 if (ws->l_state.horizontal_msize > 1)
4906                         ws->l_state.horizontal_msize--;
4907                 break;
4908         case SWM_ARG_ID_MASTERGROW:
4909                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4910                         ws->l_state.horizontal_msize++;
4911                 break;
4912         case SWM_ARG_ID_MASTERADD:
4913                 ws->l_state.horizontal_mwin++;
4914                 break;
4915         case SWM_ARG_ID_MASTERDEL:
4916                 if (ws->l_state.horizontal_mwin > 0)
4917                         ws->l_state.horizontal_mwin--;
4918                 break;
4919         case SWM_ARG_ID_STACKINC:
4920                 ws->l_state.horizontal_stacks++;
4921                 break;
4922         case SWM_ARG_ID_STACKDEC:
4923                 if (ws->l_state.horizontal_stacks > 1)
4924                         ws->l_state.horizontal_stacks--;
4925                 break;
4926         case SWM_ARG_ID_FLIPLAYOUT:
4927                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4928                 break;
4929         default:
4930                 return;
4931         }
4932 }
4933
4934 void
4935 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4936 {
4937         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4938
4939         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4940 }
4941
4942 /* fullscreen view */
4943 void
4944 max_stack(struct workspace *ws, struct swm_geometry *g)
4945 {
4946         struct swm_geometry     gg = *g;
4947         struct ws_win           *w, *win = NULL, *parent = NULL, *tmpw;
4948         int                     winno;
4949
4950         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4951
4952         if (ws == NULL)
4953                 return;
4954
4955         winno = count_win(ws, false);
4956         if (winno == 0 && count_win(ws, true) == 0)
4957                 return;
4958
4959         /* Figure out which top level window should be visible. */
4960         if (ws->focus_pending)
4961                 win = ws->focus_pending;
4962         else if (ws->focus)
4963                 win = ws->focus;
4964         else if (ws->focus_prev)
4965                 win = ws->focus_prev;
4966         else
4967                 win = TAILQ_FIRST(&ws->winlist);
4968
4969         DNPRINTF(SWM_D_STACK, "max_stack: focus_pending: %#x, focus: %#x, "
4970             "focus_prev: %#x, first: %#x, win: %#x\n", WINID(ws->focus_pending),
4971             WINID(ws->focus), WINID(ws->focus_prev),
4972             WINID(TAILQ_FIRST(&ws->winlist)), win->id);
4973
4974         /* Update window geometry. */
4975         TAILQ_FOREACH(w, &ws->winlist, entry) {
4976                 if (ICONIC(w))
4977                         continue;
4978
4979                 if (TRANS(w)) {
4980                         update_floater(w);
4981                         continue;
4982                 }
4983
4984                 /* Set maximized flag for all maxed windows. */
4985                 if (!MAXIMIZED(w)) {
4986                         /* Preserve floating geometry. */
4987                         if (ABOVE(w))
4988                                 store_float_geom(w);
4989
4990                         ewmh_apply_flags(w, w->ewmh_flags | EWMH_F_MAXIMIZED);
4991                         ewmh_update_wm_state(w);
4992                 }
4993
4994                 /* Only reconfigure if necessary. */
4995                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4996                     HEIGHT(w) != gg.h) {
4997                         w->g = gg;
4998                         if (bar_enabled && ws->bar_enabled){
4999                                 w->bordered = true;
5000                         } else {
5001                                 w->bordered = false;
5002                                 WIDTH(w) += 2 * border_width;
5003                                 HEIGHT(w) += 2 * border_width;
5004                         }
5005
5006                         update_window(w);
5007                 }
5008         }
5009
5010         /* If transient, stack parent and its children. */
5011         if (TRANS(win) && (parent = find_window(win->transient))) {
5012                 raise_window(parent);
5013
5014                 TAILQ_FOREACH_SAFE(w, &ws->stack, stack_entry, tmpw)
5015                         if (w->transient == parent->id)
5016                                 raise_window(w);
5017         }
5018
5019         /* Make sure focus window is on top. */
5020         raise_window(win);
5021
5022         /* Stack any children of focus window. */
5023         TAILQ_FOREACH_SAFE(w, &ws->stack, stack_entry, tmpw)
5024                 if (w->transient == win->id)
5025                         raise_window(w);
5026
5027         /* Map all windows. */
5028         TAILQ_FOREACH(w, &ws->stack, stack_entry)
5029                 if (!ICONIC(w))
5030                         map_window(w);
5031 }
5032
5033 void
5034 send_to_rg(struct swm_region *r, union arg *args)
5035 {
5036         int                     ridx = args->id, i, num_screens;
5037         struct swm_region       *rr = NULL;
5038         union arg               a;
5039
5040         num_screens = get_screen_count();
5041         /* do nothing if we don't have more than one screen */
5042         if (!(num_screens > 1 || outputs > 1))
5043                 return;
5044
5045         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
5046
5047         rr = TAILQ_FIRST(&r->s->rl);
5048         for (i = 0; i < ridx && rr != NULL; ++i)
5049                 rr = TAILQ_NEXT(rr, entry);
5050
5051         if (rr == NULL)
5052                 return;
5053
5054         a.id = rr->ws->idx;
5055
5056         send_to_ws(r, &a);
5057 }
5058
5059 struct swm_region *
5060 region_under(struct swm_screen *s, int x, int y)
5061 {
5062         struct swm_region       *r = NULL;
5063
5064         TAILQ_FOREACH(r, &s->rl, entry) {
5065                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
5066                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
5067                     WIDTH(r), HEIGHT(r), x, y);
5068                 if (X(r) <= x && x < MAX_X(r))
5069                         if (Y(r) <= y && y < MAX_Y(r))
5070                                 return (r);
5071         }
5072
5073         return (NULL);
5074 }
5075
5076 /* Transfer focused window to target workspace and focus. */
5077 void
5078 send_to_ws(struct swm_region *r, union arg *args)
5079 {
5080         int                     wsid = args->id;
5081         struct ws_win           *win = NULL;
5082
5083         if (r && r->ws && r->ws->focus)
5084                 win = r->ws->focus;
5085         else
5086                 return;
5087
5088         DNPRINTF(SWM_D_MOVE, "send_to_ws: win %#x, ws %d\n", win->id, wsid);
5089
5090         if (wsid < 0 || wsid >= workspace_limit)
5091                 return;
5092
5093         if (win->ws->idx == wsid)
5094                 return;
5095
5096         win_to_ws(win, wsid, true);
5097
5098         /* Set new focus on target ws. */
5099         if (focus_mode != SWM_FOCUS_FOLLOW) {
5100                 win->ws->focus_prev = win->ws->focus;
5101                 win->ws->focus = win;
5102                 win->ws->focus_pending = NULL;
5103
5104                 if (win->ws->focus_prev)
5105                         update_window_color(win->ws->focus_prev);
5106         }
5107
5108         DNPRINTF(SWM_D_STACK, "send_to_ws: focus_pending: %#x, focus: %#x, "
5109             "focus_prev: %#x, first: %#x, win: %#x\n",
5110             WINID(r->ws->focus_pending), WINID(r->ws->focus),
5111             WINID(r->ws->focus_prev), WINID(TAILQ_FIRST(&r->ws->winlist)),
5112             win->id);
5113
5114         ewmh_apply_flags(win, win->ewmh_flags & ~EWMH_F_MAXIMIZED);
5115         ewmh_update_wm_state(win);
5116
5117         /* Restack and set new focus on current ws. */
5118         if (FLOATING(win))
5119                 load_float_geom(win);
5120
5121         stack();
5122
5123         if (focus_mode != SWM_FOCUS_FOLLOW) {
5124                 if (r->ws->focus != NULL) {
5125                         focus_win(r->ws->focus);
5126                 } else {
5127                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
5128                             XCB_CURRENT_TIME);
5129                         bar_draw();
5130                 }
5131         }
5132
5133         center_pointer(r);
5134         focus_flush();
5135 }
5136
5137 void
5138 win_to_ws(struct ws_win *win, int wsid, bool unfocus)
5139 {
5140         struct ws_win           *parent;
5141         struct workspace        *ws, *nws, *pws;
5142
5143         if (wsid < 0 || wsid >= workspace_limit)
5144                 return;
5145
5146         if (win->ws->idx == wsid)
5147                 return;
5148
5149         ws = win->ws;
5150         nws = &win->s->ws[wsid];
5151
5152         DNPRINTF(SWM_D_MOVE, "win_to_ws: win %#x, ws %d -> %d\n", win->id,
5153             ws->idx, wsid);
5154
5155         /* Cleanup focus on source ws. */
5156         if (focus_mode != SWM_FOCUS_FOLLOW &&
5157             (ws->focus == win || ws->focus_pending == win))
5158                 ws->focus_pending = get_focus_prev(win);
5159
5160         /* Move the parent if this is a transient window. */
5161         if (TRANS(win)) {
5162                 parent = find_window(win->transient);
5163                 if (parent) {
5164                         pws = parent->ws;
5165                         /* Set new focus in parent's ws if needed. */
5166                         if (pws->focus == parent) {
5167                                 if (focus_mode != SWM_FOCUS_FOLLOW)
5168                                         pws->focus_pending =
5169                                             get_focus_prev(parent);
5170
5171                                 unfocus_win(parent);
5172
5173                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
5174                                         pws->focus = pws->focus_pending;
5175                                         pws->focus_pending = NULL;
5176                                 }
5177                         }
5178
5179                         /* Don't unmap parent if new ws is visible */
5180                         if (nws->r == NULL)
5181                                 unmap_window(parent);
5182
5183                         /* Transfer */
5184                         TAILQ_REMOVE(&ws->winlist, parent, entry);
5185                         TAILQ_REMOVE(&ws->stack, parent, stack_entry);
5186                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
5187                         TAILQ_INSERT_TAIL(&nws->stack, parent, stack_entry);
5188                         parent->ws = nws;
5189
5190                         DNPRINTF(SWM_D_PROP, "win_to_ws: set property: "
5191                             "_NET_WM_DESKTOP: %d\n", wsid);
5192                         xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5193                             parent->id, ewmh[_NET_WM_DESKTOP].atom,
5194                             XCB_ATOM_CARDINAL, 32, 1, &wsid);
5195                 }
5196         }
5197
5198         if (unfocus)
5199                 unfocus_win(win);
5200
5201         if (ws->focus_prev == win)
5202                 ws->focus_prev = NULL;
5203
5204         if (focus_mode != SWM_FOCUS_FOLLOW && ws->focus_pending != NULL) {
5205                 ws->focus = ws->focus_pending;
5206                 ws->focus_pending = NULL;
5207         }
5208
5209         /* Don't unmap if new ws is visible */
5210         if (nws->r == NULL)
5211                 unmap_window(win);
5212
5213         /* Transfer */
5214         TAILQ_REMOVE(&ws->winlist, win, entry);
5215         TAILQ_REMOVE(&ws->stack, win, stack_entry);
5216         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
5217         TAILQ_INSERT_TAIL(&nws->stack, win, stack_entry);
5218         win->ws = nws;
5219
5220         /* Update the window's workspace property: _NET_WM_DESKTOP */
5221         DNPRINTF(SWM_D_PROP, "win_to_ws: set property: "
5222             "_NET_WM_DESKTOP: %d\n", wsid);
5223         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
5224             ewmh[_NET_WM_DESKTOP].atom, XCB_ATOM_CARDINAL, 32, 1, &wsid);
5225
5226         ewmh_update_client_list();
5227
5228         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
5229 }
5230
5231 void
5232 pressbutton(struct swm_region *r, union arg *args)
5233 {
5234         /* suppress unused warning since var is needed */
5235         (void)r;
5236
5237         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
5238             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
5239         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
5240             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
5241 }
5242
5243 void
5244 raise_toggle(struct swm_region *r, union arg *args)
5245 {
5246         /* suppress unused warning since var is needed */
5247         (void)args;
5248
5249         if (r == NULL || r->ws == NULL)
5250                 return;
5251
5252         if (r->ws->focus && MAXIMIZED(r->ws->focus))
5253                 return;
5254
5255         r->ws->always_raise = !r->ws->always_raise;
5256
5257         /* bring floaters back to top */
5258         if (!r->ws->always_raise)
5259                 stack();
5260
5261         focus_flush();
5262 }
5263
5264 void
5265 iconify(struct swm_region *r, union arg *args)
5266 {
5267         struct ws_win           *w;
5268         /* suppress unused warning since var is needed */
5269         (void)args;
5270
5271         if ((w = r->ws->focus) == NULL)
5272                 return;
5273
5274         ewmh_apply_flags(w, w->ewmh_flags | EWMH_F_HIDDEN);
5275         ewmh_update_wm_state(w);
5276
5277         stack();
5278
5279         focus_flush();
5280 }
5281
5282 char *
5283 get_win_name(xcb_window_t win)
5284 {
5285         char                            *name = NULL;
5286         xcb_get_property_cookie_t       c;
5287         xcb_get_property_reply_t        *r;
5288
5289         /* First try _NET_WM_NAME for UTF-8. */
5290         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
5291             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
5292         r = xcb_get_property_reply(conn, c, NULL);
5293         if (r && r->type == XCB_NONE) {
5294                 free(r);
5295                 /* Use WM_NAME instead; no UTF-8. */
5296                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
5297                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
5298                 r = xcb_get_property_reply(conn, c, NULL);
5299         }
5300
5301         if (r && r->type != XCB_NONE && r->length > 0)
5302                 name = strndup(xcb_get_property_value(r),
5303                     xcb_get_property_value_length(r));
5304         else
5305                 name = strdup("");
5306
5307         if (name == NULL)
5308                 err(1, "get_win_name: failed to allocate memory.");
5309
5310         free(r);
5311
5312         return (name);
5313 }
5314
5315 void
5316 uniconify(struct swm_region *r, union arg *args)
5317 {
5318         struct ws_win           *win;
5319         FILE                    *lfile;
5320         char                    *name;
5321         int                     count = 0;
5322
5323         DNPRINTF(SWM_D_MISC, "uniconify\n");
5324
5325         if (r == NULL || r->ws == NULL)
5326                 return;
5327
5328         /* make sure we have anything to uniconify */
5329         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5330                 if (win->ws == NULL)
5331                         continue; /* should never happen */
5332                 if (!ICONIC(win))
5333                         continue;
5334                 count++;
5335         }
5336
5337         DNPRINTF(SWM_D_MISC, "uniconify: count: %d\n", count);
5338
5339         if (count == 0)
5340                 return;
5341
5342         search_r = r;
5343         search_resp_action = SWM_SEARCH_UNICONIFY;
5344
5345         spawn_select(r, args, "search", &searchpid);
5346
5347         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5348                 return;
5349
5350         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5351                 if (win->ws == NULL)
5352                         continue; /* should never happen */
5353                 if (!ICONIC(win))
5354                         continue;
5355
5356                 name = get_win_name(win->id);
5357                 fprintf(lfile, "%s.%u\n", name, win->id);
5358                 free(name);
5359         }
5360
5361         fclose(lfile);
5362 }
5363
5364 void
5365 name_workspace(struct swm_region *r, union arg *args)
5366 {
5367         FILE                    *lfile;
5368
5369         DNPRINTF(SWM_D_MISC, "name_workspace\n");
5370
5371         if (r == NULL)
5372                 return;
5373
5374         search_r = r;
5375         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
5376
5377         spawn_select(r, args, "name_workspace", &searchpid);
5378
5379         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5380                 return;
5381
5382         fprintf(lfile, "%s", "");
5383         fclose(lfile);
5384 }
5385
5386 void
5387 search_workspace(struct swm_region *r, union arg *args)
5388 {
5389         int                     i;
5390         struct workspace        *ws;
5391         FILE                    *lfile;
5392
5393         DNPRINTF(SWM_D_MISC, "search_workspace\n");
5394
5395         if (r == NULL)
5396                 return;
5397
5398         search_r = r;
5399         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5400
5401         spawn_select(r, args, "search", &searchpid);
5402
5403         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5404                 return;
5405
5406         for (i = 0; i < workspace_limit; i++) {
5407                 ws = &r->s->ws[i];
5408                 if (ws == NULL)
5409                         continue;
5410                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5411                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5412         }
5413
5414         fclose(lfile);
5415 }
5416
5417 void
5418 search_win_cleanup(void)
5419 {
5420         struct search_window    *sw = NULL;
5421
5422         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5423                 xcb_destroy_window(conn, sw->indicator);
5424                 TAILQ_REMOVE(&search_wl, sw, entry);
5425                 free(sw);
5426         }
5427 }
5428
5429 void
5430 search_win(struct swm_region *r, union arg *args)
5431 {
5432         struct ws_win           *win = NULL;
5433         struct search_window    *sw = NULL;
5434         xcb_window_t            w;
5435         uint32_t                wa[3];
5436         xcb_screen_t            *screen;
5437         int                     i, width, height;
5438         char                    s[8];
5439         FILE                    *lfile;
5440         size_t                  len;
5441         XftDraw                 *draw;
5442         XGlyphInfo              info;
5443         GC                      l_draw;
5444         XGCValues               l_gcv;
5445         XRectangle              l_ibox, l_lbox;
5446
5447         DNPRINTF(SWM_D_MISC, "search_win\n");
5448
5449         search_r = r;
5450         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5451
5452         spawn_select(r, args, "search", &searchpid);
5453
5454         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5455                 return;
5456
5457         if ((screen = get_screen(r->s->idx)) == NULL)
5458                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
5459
5460         TAILQ_INIT(&search_wl);
5461
5462         i = 1;
5463         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5464                 if (ICONIC(win))
5465                         continue;
5466
5467                 sw = calloc(1, sizeof(struct search_window));
5468                 if (sw == NULL) {
5469                         warn("search_win: calloc");
5470                         fclose(lfile);
5471                         search_win_cleanup();
5472                         return;
5473                 }
5474                 sw->idx = i;
5475                 sw->win = win;
5476
5477                 snprintf(s, sizeof s, "%d", i);
5478                 len = strlen(s);
5479
5480                 w = xcb_generate_id(conn);
5481                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5482                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5483                 wa[2] = screen->default_colormap;
5484
5485                 if (bar_font_legacy) {
5486                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5487                         width = l_lbox.width + 4;
5488                         height = bar_fs_extents->max_logical_extent.height + 4;
5489                 } else {
5490                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5491                             &info);
5492                         width = info.width + 4;
5493                         height = bar_font->height + 4;
5494                 }
5495
5496                 xcb_create_window(conn, screen->root_depth, w, win->id, 0, 0,
5497                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5498                     screen->root_visual, XCB_CW_BACK_PIXEL |
5499                     XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP, wa);
5500
5501                 xcb_map_window(conn, w);
5502
5503                 sw->indicator = w;
5504                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5505
5506                 if (bar_font_legacy) {
5507                         l_gcv.graphics_exposures = 0;
5508                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5509
5510                         XSetForeground(display, l_draw,
5511                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5512
5513                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5514                             (bar_fs_extents->max_logical_extent.height -
5515                             l_lbox.height) / 2 - l_lbox.y, s, len);
5516
5517                         XFreeGC(display, l_draw);
5518                 } else {
5519
5520                         draw = XftDrawCreate(display, w,
5521                             DefaultVisual(display, r->s->idx),
5522                             DefaultColormap(display, r->s->idx));
5523
5524                         XftDrawStringUtf8(draw, &search_font_color, bar_font, 2,
5525                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5526                             bar_font->descent, (FcChar8 *)s, len);
5527
5528                         XftDrawDestroy(draw);
5529                 }
5530
5531                 DNPRINTF(SWM_D_MISC, "search_win: mapped win %#x\n", w);
5532
5533                 fprintf(lfile, "%d\n", i);
5534                 i++;
5535         }
5536
5537         fclose(lfile);
5538
5539         xcb_flush(conn);
5540 }
5541
5542 void
5543 search_resp_uniconify(const char *resp, size_t len)
5544 {
5545         char                    *name;
5546         struct ws_win           *win;
5547         char                    *s;
5548
5549         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5550
5551         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5552                 if (!ICONIC(win))
5553                         continue;
5554                 name = get_win_name(win->id);
5555                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5556                         free(name);
5557                         continue;
5558                 }
5559                 free(name);
5560                 if (strncmp(s, resp, len) == 0) {
5561                         /* XXX this should be a callback to generalize */
5562                         ewmh_apply_flags(win, win->ewmh_flags & ~EWMH_F_HIDDEN);
5563                         ewmh_update_wm_state(win);
5564                         stack();
5565                         free(s);
5566                         break;
5567                 }
5568                 free(s);
5569         }
5570 }
5571
5572 void
5573 search_resp_name_workspace(const char *resp, size_t len)
5574 {
5575         struct workspace        *ws;
5576
5577         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5578
5579         if (search_r->ws == NULL)
5580                 return;
5581         ws = search_r->ws;
5582
5583         if (ws->name) {
5584                 free(search_r->ws->name);
5585                 search_r->ws->name = NULL;
5586         }
5587
5588         if (len > 1) {
5589                 ws->name = strdup(resp);
5590                 if (ws->name == NULL) {
5591                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5592                             "strdup: %s", strerror(errno));
5593                         return;
5594                 }
5595
5596                 ewmh_update_desktop_names();
5597                 ewmh_get_desktop_names();
5598         }
5599 }
5600
5601 void
5602 ewmh_update_desktop_names(void)
5603 {
5604         char                    *name_list = NULL, *p;
5605         int                     num_screens, i, j, len = 0, tot = 0;
5606
5607         num_screens = get_screen_count();
5608         for (i = 0; i < num_screens; ++i) {
5609                 for (j = 0; j < workspace_limit; ++j) {
5610                         if (screens[i].ws[j].name != NULL)
5611                                 len += strlen(screens[i].ws[j].name);
5612                         ++len;
5613                 }
5614
5615                 if((name_list = calloc(len, sizeof(char))) == NULL)
5616                         err(1, "update_desktop_names: calloc: failed to "
5617                             "allocate memory.");
5618
5619                 p = name_list;
5620                 for (j = 0; j < workspace_limit; ++j) {
5621                         if (screens[i].ws[j].name != NULL) {
5622                                 len = strlen(screens[i].ws[j].name);
5623                                 memcpy(p, screens[i].ws[j].name, len);
5624                         } else {
5625                                 len = 0;
5626                         }
5627
5628                         p += len + 1;
5629                         tot += len + 1;
5630                 }
5631
5632                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5633                     screens[i].root, ewmh[_NET_DESKTOP_NAMES].atom,
5634                     a_utf8_string, 8, tot, name_list);
5635
5636                 free(name_list);
5637                 name_list = NULL;
5638         }
5639
5640         free(name_list);
5641 }
5642
5643 void
5644 ewmh_get_desktop_names(void)
5645 {
5646         char                            *names = NULL;
5647         xcb_get_property_cookie_t       c;
5648         xcb_get_property_reply_t        *r;
5649         int                             num_screens, i, j, n, k;
5650
5651         num_screens = get_screen_count();
5652         for (i = 0; i < num_screens; ++i) {
5653                 for (j = 0; j < workspace_limit; ++j) {
5654                         free(screens[i].ws[j].name);
5655                         screens[i].ws[j].name = NULL;
5656                 }
5657
5658                 c = xcb_get_property(conn, 0, screens[i].root,
5659                     ewmh[_NET_DESKTOP_NAMES].atom,
5660                     a_utf8_string, 0, UINT32_MAX);
5661                 r = xcb_get_property_reply(conn, c, NULL);
5662                 if (r == NULL)
5663                         continue;
5664
5665                 names = xcb_get_property_value(r);
5666                 n = xcb_get_property_value_length(r);
5667
5668                 for (j = 0, k = 0; j < n; ++j) {
5669                         if (*(names + j) != '\0') {
5670                                 screens[i].ws[k].name = strdup(names + j);
5671                                 j += strlen(names + j);
5672                         }
5673                         ++k;
5674                 }
5675                 free(r);
5676         }
5677 }
5678
5679 void
5680 ewmh_update_client_list(void)
5681 {
5682         struct ws_win           *win;
5683         int                     num_screens, i, j, k = 0, count = 0;
5684         xcb_window_t            *wins;
5685
5686         num_screens = get_screen_count();
5687         for (i = 0; i < num_screens; ++i) {
5688                 for (j = 0; j < workspace_limit; ++j)
5689                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
5690                                 ++count;
5691
5692                 DNPRINTF(SWM_D_PROP, "ewmh_update_client_list: win count: %d\n",
5693                     count);
5694
5695                 if (count == 0)
5696                         continue;
5697
5698                 wins = calloc(count, sizeof(xcb_window_t));
5699                 if (wins == NULL)
5700                         err(1, "ewmh_update_client_list: calloc: failed to "
5701                             "allocate memory.");
5702
5703                 for (j = 0, k = 0; j < workspace_limit; ++j)
5704                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
5705                                 wins[k++] = win->id;
5706
5707                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5708                     screens[i].root, ewmh[_NET_CLIENT_LIST].atom,
5709                     XCB_ATOM_WINDOW, 32, count, wins);
5710
5711                 free(wins);
5712         }
5713 }
5714
5715 void
5716 ewmh_update_current_desktop(void)
5717 {
5718         int                     num_screens, i;
5719
5720         num_screens = get_screen_count();
5721         for (i = 0; i < num_screens; ++i)
5722                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5723                     screens[i].root, ewmh[_NET_CURRENT_DESKTOP].atom,
5724                     XCB_ATOM_CARDINAL, 32, 1, &screens[i].r_focus->ws->idx);
5725 }
5726
5727 void
5728 ewmh_update_desktops(void)
5729 {
5730         int                     num_screens, i, j;
5731         uint32_t                *vals;
5732
5733         vals = calloc(workspace_limit * 2, sizeof(uint32_t));
5734         if (vals == NULL)
5735                 err(1, "ewmh_update_desktops: calloc: failed to allocate "
5736                     "memory.");
5737
5738         num_screens = get_screen_count();
5739         for (i = 0; i < num_screens; i++) {
5740                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5741                     screens[i].root, ewmh[_NET_NUMBER_OF_DESKTOPS].atom,
5742                     XCB_ATOM_CARDINAL, 32, 1, &workspace_limit);
5743
5744                 for (j = 0; j < workspace_limit; ++j) {
5745                         if (screens[i].ws[j].r != NULL) {
5746                                 vals[j * 2] = X(screens[i].ws[j].r);
5747                                 vals[j * 2 + 1] = Y(screens[i].ws[j].r);
5748                         } else if (screens[i].ws[j].old_r != NULL) {
5749                                 vals[j * 2] = X(screens[i].ws[j].old_r);
5750                                 vals[j * 2 + 1] = Y(screens[i].ws[j].old_r);
5751                         } else {
5752                                 vals[j * 2] = vals[j * 2 + 1] = 0;
5753                         }
5754                 }
5755
5756                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
5757                     screens[i].root, ewmh[_NET_DESKTOP_VIEWPORT].atom,
5758                     XCB_ATOM_CARDINAL, 32, workspace_limit * 2, vals);
5759         }
5760
5761         free(vals);
5762 }
5763
5764 void
5765 search_resp_search_workspace(const char *resp)
5766 {
5767         char                    *p, *q;
5768         int                     ws_idx;
5769         const char              *errstr;
5770         union arg               a;
5771
5772         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5773
5774         q = strdup(resp);
5775         if (q == NULL) {
5776                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5777                     strerror(errno));
5778                 return;
5779         }
5780         p = strchr(q, ':');
5781         if (p != NULL)
5782                 *p = '\0';
5783         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5784         if (errstr) {
5785                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5786                     errstr, q);
5787                 free(q);
5788                 return;
5789         }
5790         free(q);
5791         a.id = ws_idx - 1;
5792         switchws(search_r, &a);
5793 }
5794
5795 void
5796 search_resp_search_window(const char *resp)
5797 {
5798         char                    *s;
5799         int                     idx;
5800         const char              *errstr;
5801         struct search_window    *sw;
5802
5803         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5804
5805         s = strdup(resp);
5806         if (s == NULL) {
5807                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5808                     strerror(errno));
5809                 return;
5810         }
5811
5812         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5813         if (errstr) {
5814                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5815                     errstr, s);
5816                 free(s);
5817                 return;
5818         }
5819         free(s);
5820
5821         TAILQ_FOREACH(sw, &search_wl, entry)
5822                 if (idx == sw->idx) {
5823                         focus_win(sw->win);
5824                         break;
5825                 }
5826 }
5827
5828 #define MAX_RESP_LEN    1024
5829
5830 void
5831 search_do_resp(void)
5832 {
5833         ssize_t                 rbytes;
5834         char                    *resp;
5835         size_t                  len;
5836
5837         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5838
5839         search_resp = 0;
5840         searchpid = 0;
5841
5842         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5843                 warn("search: calloc");
5844                 goto done;
5845         }
5846
5847         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5848         if (rbytes <= 0) {
5849                 warn("search: read error");
5850                 goto done;
5851         }
5852         resp[rbytes] = '\0';
5853
5854         /* XXX:
5855          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5856          * newline, so work around that by sanitizing the resp now.
5857          */
5858         resp[strcspn(resp, "\n")] = '\0';
5859         len = strlen(resp);
5860
5861         switch (search_resp_action) {
5862         case SWM_SEARCH_UNICONIFY:
5863                 search_resp_uniconify(resp, len);
5864                 break;
5865         case SWM_SEARCH_NAME_WORKSPACE:
5866                 search_resp_name_workspace(resp, len);
5867                 break;
5868         case SWM_SEARCH_SEARCH_WORKSPACE:
5869                 search_resp_search_workspace(resp);
5870                 break;
5871         case SWM_SEARCH_SEARCH_WINDOW:
5872                 search_resp_search_window(resp);
5873                 break;
5874         }
5875
5876 done:
5877         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5878                 search_win_cleanup();
5879
5880         search_resp_action = SWM_SEARCH_NONE;
5881         close(select_resp_pipe[0]);
5882         free(resp);
5883
5884         xcb_flush(conn);
5885 }
5886
5887 void
5888 wkill(struct swm_region *r, union arg *args)
5889 {
5890         DNPRINTF(SWM_D_MISC, "wkill: win %#x, id: %d\n", WINID(r->ws->focus),
5891             args->id);
5892
5893         if (r->ws->focus == NULL)
5894                 return;
5895
5896         if (args->id == SWM_ARG_ID_KILLWINDOW)
5897                 xcb_kill_client(conn, r->ws->focus->id);
5898         else
5899                 if (r->ws->focus->can_delete)
5900                         client_msg(r->ws->focus, a_delete, 0);
5901
5902         focus_flush();
5903 }
5904
5905 int
5906 clear_maximized(struct workspace *ws)
5907 {
5908         struct ws_win           *w;
5909         int                     count = 0;
5910
5911         /* Clear any maximized win(s) on ws, from bottom up. */
5912         TAILQ_FOREACH_REVERSE(w, &ws->stack, ws_win_stack, stack_entry)
5913                 if (MAXIMIZED(w)) {
5914                         ewmh_apply_flags(w, w->ewmh_flags & ~EWMH_F_MAXIMIZED);
5915                         ewmh_update_wm_state(w);
5916                         ++count;
5917                 }
5918
5919         return count;
5920 }
5921
5922 void
5923 maximize_toggle(struct swm_region *r, union arg *args)
5924 {
5925         struct ws_win           *w = r->ws->focus;
5926
5927         /* suppress unused warning since var is needed */
5928         (void)args;
5929
5930         if (w == NULL)
5931                 return;
5932
5933         DNPRINTF(SWM_D_MISC, "maximize_toggle: win %#x\n", w->id);
5934
5935         if (FULLSCREEN(w))
5936                 return;
5937
5938         if (w->ws->cur_layout == &layouts[SWM_MAX_STACK])
5939                 return;
5940
5941         ewmh_apply_flags(w, w->ewmh_flags ^ EWMH_F_MAXIMIZED);
5942         ewmh_update_wm_state(w);
5943
5944         stack();
5945
5946         if (w == w->ws->focus)
5947                 focus_win(w);
5948
5949         focus_flush();
5950         DNPRINTF(SWM_D_MISC, "maximize_toggle: done\n");
5951 }
5952
5953 void
5954 floating_toggle(struct swm_region *r, union arg *args)
5955 {
5956         struct ws_win           *w = r->ws->focus;
5957
5958         /* suppress unused warning since var is needed */
5959         (void)args;
5960
5961         if (w == NULL)
5962                 return;
5963
5964         DNPRINTF(SWM_D_MISC, "floating_toggle: win %#x\n", w->id);
5965
5966         if (FULLSCREEN(w) || TRANS(w))
5967                 return;
5968
5969         if (w->ws->cur_layout == &layouts[SWM_MAX_STACK])
5970                 return;
5971
5972         ewmh_apply_flags(w, w->ewmh_flags ^ EWMH_F_ABOVE);
5973         ewmh_update_wm_state(w);
5974
5975         stack();
5976
5977         if (w == w->ws->focus)
5978                 focus_win(w);
5979
5980         center_pointer(r);
5981         focus_flush();
5982         DNPRINTF(SWM_D_MISC, "floating_toggle: done\n");
5983 }
5984
5985 void
5986 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5987 {
5988         struct swm_geometry             g = r->g;
5989         int                             rt, lt, tp, bm, bw;
5990
5991         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5992
5993         /*
5994          * Perpendicular distance of each side of the window to the respective
5995          * side of the region boundary.  Positive values indicate the side of
5996          * the window has passed beyond the region boundary.
5997          */
5998         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5999         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
6000         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
6001         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
6002
6003         DNPRINTF(SWM_D_MISC, "region_containment: win %#x, rt: %d, lt: %d, "
6004             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
6005             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
6006             YESNO(opts & SWM_CW_HARDBOUNDARY));
6007
6008         /*
6009          * Disable containment if any of the flagged sides went beyond the
6010          * containment boundary, or if containment is disabled.
6011          */
6012         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
6013             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
6014                 /* Make sure window has at least 1 pixel in the region */
6015                 g.x += 1 - WIDTH(win);
6016                 g.y += 1 - HEIGHT(win);
6017                 g.w += 2 * WIDTH(win) - 2;
6018                 g.h += 2 * HEIGHT(win) - 2;
6019         }
6020
6021         constrain_window(win, &g, &opts);
6022 }
6023
6024 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
6025 void
6026 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
6027 {
6028         DNPRINTF(SWM_D_MISC, "constrain_window: win %#x, (x,y) w x h: "
6029             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
6030             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
6031             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
6032             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
6033             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
6034             YESNO(*opts & SWM_CW_RESIZABLE));
6035
6036         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
6037                 if (*opts & SWM_CW_RESIZABLE)
6038                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
6039                 else
6040                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
6041         }
6042
6043         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
6044                 if (*opts & SWM_CW_RESIZABLE)
6045                         WIDTH(win) -= b->x - X(win) - BORDER(win);
6046
6047                 X(win) = b->x - BORDER(win);
6048         }
6049
6050         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
6051                 if (*opts & SWM_CW_RESIZABLE)
6052                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
6053                 else
6054                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
6055         }
6056
6057         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
6058                 if (*opts & SWM_CW_RESIZABLE)
6059                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
6060
6061                 Y(win) = b->y - BORDER(win);
6062         }
6063
6064         if (*opts & SWM_CW_RESIZABLE) {
6065                 if (WIDTH(win) < 1)
6066                         WIDTH(win) = 1;
6067                 if (HEIGHT(win) < 1)
6068                         HEIGHT(win) = 1;
6069         }
6070 }
6071
6072 void
6073 update_window_color(struct ws_win *win)
6074 {
6075         uint32_t        *pixel;
6076
6077         if (WS_FOCUSED(win->ws) && win->ws->focus == win)
6078                 pixel = MAXIMIZED(win) ?
6079                     &win->s->c[SWM_S_COLOR_FOCUS_MAXIMIZED].pixel :
6080                     &win->s->c[SWM_S_COLOR_FOCUS].pixel;
6081         else
6082                 pixel = MAXIMIZED(win) ?
6083                     &win->s->c[SWM_S_COLOR_UNFOCUS_MAXIMIZED].pixel :
6084                     &win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
6085
6086         xcb_change_window_attributes(conn, win->id,
6087             XCB_CW_BORDER_PIXEL, pixel);
6088 }
6089
6090 void
6091 update_window(struct ws_win *win)
6092 {
6093         uint16_t        mask;
6094         uint32_t        wc[5];
6095
6096         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
6097             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
6098             XCB_CONFIG_WINDOW_BORDER_WIDTH;
6099         wc[0] = X(win);
6100         wc[1] = Y(win);
6101         wc[2] = WIDTH(win);
6102         wc[3] = HEIGHT(win);
6103         wc[4] = BORDER(win);
6104
6105         DNPRINTF(SWM_D_EVENT, "update_window: win %#x, (x,y) w x h: "
6106             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
6107             wc[3], YESNO(win->bordered));
6108
6109         xcb_configure_window(conn, win->id, mask, wc);
6110 }
6111
6112 #define SWM_RESIZE_STEPS        (50)
6113
6114 void
6115 resize(struct ws_win *win, union arg *args)
6116 {
6117         xcb_timestamp_t         timestamp = 0;
6118         struct swm_region       *r = NULL;
6119         struct swm_geometry     g;
6120         int                     resize_stp = 0;
6121         int                     top = 0, left = 0;
6122         int                     dx, dy;
6123         xcb_cursor_t                    cursor;
6124         xcb_query_pointer_reply_t       *xpr = NULL;
6125         xcb_generic_event_t             *evt;
6126         xcb_motion_notify_event_t       *mne;
6127         bool                    resizing;
6128
6129         if (win == NULL)
6130                 return;
6131         r = win->ws->r;
6132
6133         if (FULLSCREEN(win))
6134                 return;
6135
6136         /* In max_stack mode, should only resize transients. */
6137         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !TRANS(win))
6138                 return;
6139
6140         DNPRINTF(SWM_D_EVENT, "resize: win %#x, floating: %s, "
6141             "transient: %#x\n", win->id, YESNO(ABOVE(win)),
6142             win->transient);
6143
6144         if (MAXIMIZED(win))
6145                 store_float_geom(win);
6146         else if (!(TRANS(win) || ABOVE(win)))
6147                 return;
6148
6149         ewmh_apply_flags(win, (win->ewmh_flags | SWM_F_MANUAL | EWMH_F_ABOVE) &
6150             ~EWMH_F_MAXIMIZED);
6151         ewmh_update_wm_state(win);
6152
6153         stack();
6154
6155         focus_flush();
6156
6157         /* It's possible for win to have been freed during focus_flush(). */
6158         if (validate_win(win)) {
6159                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
6160                 goto out;
6161         }
6162
6163         switch (args->id) {
6164         case SWM_ARG_ID_WIDTHSHRINK:
6165                 WIDTH(win) -= SWM_RESIZE_STEPS;
6166                 resize_stp = 1;
6167                 break;
6168         case SWM_ARG_ID_WIDTHGROW:
6169                 WIDTH(win) += SWM_RESIZE_STEPS;
6170                 resize_stp = 1;
6171                 break;
6172         case SWM_ARG_ID_HEIGHTSHRINK:
6173                 HEIGHT(win) -= SWM_RESIZE_STEPS;
6174                 resize_stp = 1;
6175                 break;
6176         case SWM_ARG_ID_HEIGHTGROW:
6177                 HEIGHT(win) += SWM_RESIZE_STEPS;
6178                 resize_stp = 1;
6179                 break;
6180         default:
6181                 break;
6182         }
6183         if (resize_stp) {
6184                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
6185                     SWM_CW_HARDBOUNDARY);
6186                 update_window(win);
6187                 store_float_geom(win);
6188                 return;
6189         }
6190
6191         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
6192             SWM_CW_SOFTBOUNDARY);
6193         update_window(win);
6194
6195         /* get cursor offset from window root */
6196         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
6197             NULL);
6198         if (xpr == NULL)
6199                 return;
6200
6201         g = win->g;
6202
6203         if (xpr->win_x < WIDTH(win) / 2)
6204                 left = 1;
6205
6206         if (xpr->win_y < HEIGHT(win) / 2)
6207                 top = 1;
6208
6209         if (args->id == SWM_ARG_ID_CENTER)
6210                 cursor = cursors[XC_SIZING].cid;
6211         else if (top)
6212                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
6213                     XC_TOP_RIGHT_CORNER].cid;
6214         else
6215                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
6216                     XC_BOTTOM_RIGHT_CORNER].cid;
6217
6218         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
6219             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
6220             XCB_CURRENT_TIME),
6221
6222         xcb_flush(conn);
6223         resizing = true;
6224         while (resizing && (evt = xcb_wait_for_event(conn))) {
6225                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
6226                 case XCB_BUTTON_RELEASE:
6227                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
6228                         resizing = false;
6229                         break;
6230                 case XCB_MOTION_NOTIFY:
6231                         mne = (xcb_motion_notify_event_t *)evt;
6232                         /* cursor offset/delta from start of the operation */
6233                         dx = mne->root_x - xpr->root_x;
6234                         dy = mne->root_y - xpr->root_y;
6235
6236                         /* vertical */
6237                         if (top)
6238                                 dy = -dy;
6239
6240                         if (args->id == SWM_ARG_ID_CENTER) {
6241                                 if (g.h / 2 + dy < 1)
6242                                         dy = 1 - g.h / 2;
6243
6244                                 Y(win) = g.y - dy;
6245                                 HEIGHT(win) = g.h + 2 * dy;
6246                         } else {
6247                                 if (g.h + dy < 1)
6248                                         dy = 1 - g.h;
6249
6250                                 if (top)
6251                                         Y(win) = g.y - dy;
6252
6253                                 HEIGHT(win) = g.h + dy;
6254                         }
6255
6256                         /* horizontal */
6257                         if (left)
6258                                 dx = -dx;
6259
6260                         if (args->id == SWM_ARG_ID_CENTER) {
6261                                 if (g.w / 2 + dx < 1)
6262                                         dx = 1 - g.w / 2;
6263
6264                                 X(win) = g.x - dx;
6265                                 WIDTH(win) = g.w + 2 * dx;
6266                         } else {
6267                                 if (g.w + dx < 1)
6268                                         dx = 1 - g.w;
6269
6270                                 if (left)
6271                                         X(win) = g.x - dx;
6272
6273                                 WIDTH(win) = g.w + dx;
6274                         }
6275
6276                         /* not free, don't sync more than 120 times / second */
6277                         if ((mne->time - timestamp) > (1000 / 120) ) {
6278                                 timestamp = mne->time;
6279                                 regionize(win, mne->root_x, mne->root_y);
6280                                 region_containment(win, r, SWM_CW_ALLSIDES |
6281                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
6282                                     SWM_CW_SOFTBOUNDARY);
6283                                 update_window(win);
6284                                 xcb_flush(conn);
6285                         }
6286                         break;
6287                 case XCB_KEY_PRESS:
6288                         /* Ignore. */
6289                         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD,
6290                             ((xcb_key_press_event_t *)evt)->time);
6291                         xcb_flush(conn);
6292                         break;
6293                 default:
6294                         event_handle(evt);
6295
6296                         /* It's possible for win to have been freed above. */
6297                         if (validate_win(win)) {
6298                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
6299                                 goto out;
6300                         }
6301                         break;
6302                 }
6303                 free(evt);
6304         }
6305         if (timestamp) {
6306                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
6307                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
6308                 update_window(win);
6309                 xcb_flush(conn);
6310         }
6311         store_float_geom(win);
6312 out:
6313         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
6314         free(xpr);
6315         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
6316 }
6317
6318 void
6319 resize_step(struct swm_region *r, union arg *args)
6320 {
6321         struct ws_win           *win = NULL;
6322
6323         if (r && r->ws && r->ws->focus)
6324                 win = r->ws->focus;
6325         else
6326                 return;
6327
6328         resize(win, args);
6329         focus_flush();
6330 }
6331
6332 /* Try to set window region based on supplied coordinates or window center. */
6333 void
6334 regionize(struct ws_win *win, int x, int y)
6335 {
6336         struct swm_region *r = NULL;
6337
6338         r = region_under(win->s, x, y);
6339         if (r == NULL)
6340                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
6341                     Y(win) + HEIGHT(win) / 2);
6342
6343         if (r != NULL && r != win->ws->r) {
6344                 if (clear_maximized(r->ws) > 0)
6345                         stack();
6346
6347                 win_to_ws(win, r->ws->idx, false);
6348
6349                 /* Set focus on new ws. */
6350                 unfocus_win(r->ws->focus);
6351                 r->ws->focus = win;
6352
6353                 set_region(r);
6354                 raise_window(win);
6355         }
6356 }
6357
6358 #define SWM_MOVE_STEPS  (50)
6359
6360 void
6361 move(struct ws_win *win, union arg *args)
6362 {
6363         struct swm_region               *r;
6364         xcb_timestamp_t                 timestamp = 0;
6365         int                             move_stp = 0;
6366         xcb_query_pointer_reply_t       *qpr = NULL;
6367         xcb_generic_event_t             *evt;
6368         xcb_motion_notify_event_t       *mne;
6369         bool                            moving, restack = false;
6370
6371         if (win == NULL)
6372                 return;
6373
6374         if ((r = win->ws->r) == NULL)
6375                 return;
6376
6377         if (FULLSCREEN(win))
6378                 return;
6379
6380         DNPRINTF(SWM_D_EVENT, "move: win %#x, floating: %s, transient: "
6381             "%#x\n", win->id, YESNO(ABOVE(win)), win->transient);
6382
6383         /* in max_stack mode should only move transients */
6384         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !TRANS(win))
6385                 return;
6386
6387         if (!(ABOVE(win) || TRANS(win)) || MAXIMIZED(win)) {
6388                 store_float_geom(win);
6389                 restack = true;
6390         }
6391
6392         ewmh_apply_flags(win, (win->ewmh_flags | SWM_F_MANUAL | EWMH_F_ABOVE) &
6393             ~EWMH_F_MAXIMIZED);
6394         ewmh_update_wm_state(win);
6395
6396         if (restack)
6397                 stack();
6398
6399         focus_flush();
6400
6401         /* It's possible for win to have been freed during focus_flush(). */
6402         if (validate_win(win)) {
6403                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
6404                 goto out;
6405         }
6406
6407         move_stp = 0;
6408         switch (args->id) {
6409         case SWM_ARG_ID_MOVELEFT:
6410                 X(win) -= (SWM_MOVE_STEPS - border_width);
6411                 move_stp = 1;
6412                 break;
6413         case SWM_ARG_ID_MOVERIGHT:
6414                 X(win) += (SWM_MOVE_STEPS - border_width);
6415                 move_stp = 1;
6416                 break;
6417         case SWM_ARG_ID_MOVEUP:
6418                 Y(win) -= (SWM_MOVE_STEPS - border_width);
6419                 move_stp = 1;
6420                 break;
6421         case SWM_ARG_ID_MOVEDOWN:
6422                 Y(win) += (SWM_MOVE_STEPS - border_width);
6423                 move_stp = 1;
6424                 break;
6425         default:
6426                 break;
6427         }
6428         if (move_stp) {
6429                 regionize(win, -1, -1);
6430                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
6431                 update_window(win);
6432                 store_float_geom(win);
6433                 return;
6434         }
6435
6436         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
6437             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
6438             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
6439
6440         /* get cursor offset from window root */
6441         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
6442                 NULL);
6443         if (qpr == NULL) {
6444                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
6445                 return;
6446         }
6447
6448         regionize(win, qpr->root_x, qpr->root_y);
6449         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
6450             SWM_CW_SOFTBOUNDARY);
6451         update_window(win);
6452         xcb_flush(conn);
6453         moving = true;
6454         while (moving && (evt = xcb_wait_for_event(conn))) {
6455                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
6456                 case XCB_BUTTON_RELEASE:
6457                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
6458                         moving = false;
6459                         break;
6460                 case XCB_MOTION_NOTIFY:
6461                         mne = (xcb_motion_notify_event_t *)evt;
6462                         DNPRINTF(SWM_D_EVENT, "motion: root: %#x\n", mne->root);
6463                         X(win) = mne->root_x - qpr->win_x - border_width;
6464                         Y(win) = mne->root_y - qpr->win_y - border_width;
6465
6466                         /* not free, don't sync more than 120 times / second */
6467                         if ((mne->time - timestamp) > (1000 / 120) ) {
6468                                 timestamp = mne->time;
6469                                 regionize(win, mne->root_x, mne->root_y);
6470                                 region_containment(win, win->ws->r,
6471                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
6472                                 update_window(win);
6473                                 xcb_flush(conn);
6474                         }
6475                         break;
6476                 case XCB_KEY_PRESS:
6477                         /* Ignore. */
6478                         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD,
6479                             ((xcb_key_press_event_t *)evt)->time);
6480                         xcb_flush(conn);
6481                         break;
6482                 default:
6483                         event_handle(evt);
6484
6485                         /* It's possible for win to have been freed above. */
6486                         if (validate_win(win)) {
6487                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
6488                                 goto out;
6489                         }
6490                         break;
6491                 }
6492                 free(evt);
6493         }
6494         if (timestamp) {
6495                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
6496                     SWM_CW_SOFTBOUNDARY);
6497                 update_window(win);
6498                 xcb_flush(conn);
6499         }
6500         store_float_geom(win);
6501
6502         /* New region set to fullscreen layout. */
6503         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK]) {
6504                 stack();
6505                 focus_flush();
6506         }
6507
6508 out:
6509         free(qpr);
6510         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
6511         DNPRINTF(SWM_D_EVENT, "move: done.\n");
6512 }
6513
6514 void
6515 move_step(struct swm_region *r, union arg *args)
6516 {
6517         struct ws_win           *win = NULL;
6518
6519         if (r && r->ws && r->ws->focus)
6520                 win = r->ws->focus;
6521         else
6522                 return;
6523
6524         if (!TRANS(win) && !ABOVE(win))
6525                 return;
6526
6527         move(win, args);
6528         focus_flush();
6529 }
6530
6531 /* key definitions */
6532 struct keyfunc {
6533         char                    name[SWM_FUNCNAME_LEN];
6534         void                    (*func)(struct swm_region *r, union arg *);
6535         union arg               args;
6536 } keyfuncs[KF_INVALID + 1] = {
6537         /* name                 function        argument */
6538         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
6539         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
6540         { "button2",            pressbutton,    {2} },
6541         { "cycle_layout",       cycle_layout,   {0} },
6542         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
6543         { "float_toggle",       floating_toggle,{0} },
6544         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
6545         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
6546         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
6547         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
6548         { "maximize_toggle",    maximize_toggle,{0} },
6549         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
6550         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
6551         { "iconify",            iconify,        {0} },
6552         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
6553         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
6554         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
6555         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
6556         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
6557         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
6558         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
6559         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
6560         { "mvrg_1",             send_to_rg,     {.id = 0} },
6561         { "mvrg_2",             send_to_rg,     {.id = 1} },
6562         { "mvrg_3",             send_to_rg,     {.id = 2} },
6563         { "mvrg_4",             send_to_rg,     {.id = 3} },
6564         { "mvrg_5",             send_to_rg,     {.id = 4} },
6565         { "mvrg_6",             send_to_rg,     {.id = 5} },
6566         { "mvrg_7",             send_to_rg,     {.id = 6} },
6567         { "mvrg_8",             send_to_rg,     {.id = 7} },
6568         { "mvrg_9",             send_to_rg,     {.id = 8} },
6569         { "mvws_1",             send_to_ws,     {.id = 0} },
6570         { "mvws_2",             send_to_ws,     {.id = 1} },
6571         { "mvws_3",             send_to_ws,     {.id = 2} },
6572         { "mvws_4",             send_to_ws,     {.id = 3} },
6573         { "mvws_5",             send_to_ws,     {.id = 4} },
6574         { "mvws_6",             send_to_ws,     {.id = 5} },
6575         { "mvws_7",             send_to_ws,     {.id = 6} },
6576         { "mvws_8",             send_to_ws,     {.id = 7} },
6577         { "mvws_9",             send_to_ws,     {.id = 8} },
6578         { "mvws_10",            send_to_ws,     {.id = 9} },
6579         { "mvws_11",            send_to_ws,     {.id = 10} },
6580         { "mvws_12",            send_to_ws,     {.id = 11} },
6581         { "mvws_13",            send_to_ws,     {.id = 12} },
6582         { "mvws_14",            send_to_ws,     {.id = 13} },
6583         { "mvws_15",            send_to_ws,     {.id = 14} },
6584         { "mvws_16",            send_to_ws,     {.id = 15} },
6585         { "mvws_17",            send_to_ws,     {.id = 16} },
6586         { "mvws_18",            send_to_ws,     {.id = 17} },
6587         { "mvws_19",            send_to_ws,     {.id = 18} },
6588         { "mvws_20",            send_to_ws,     {.id = 19} },
6589         { "mvws_21",            send_to_ws,     {.id = 20} },
6590         { "mvws_22",            send_to_ws,     {.id = 21} },
6591         { "name_workspace",     name_workspace, {0} },
6592         { "quit",               quit,           {0} },
6593         { "raise_toggle",       raise_toggle,   {0} },
6594         { "restart",            restart,        {0} },
6595         { "rg_1",               focusrg,        {.id = 0} },
6596         { "rg_2",               focusrg,        {.id = 1} },
6597         { "rg_3",               focusrg,        {.id = 2} },
6598         { "rg_4",               focusrg,        {.id = 3} },
6599         { "rg_5",               focusrg,        {.id = 4} },
6600         { "rg_6",               focusrg,        {.id = 5} },
6601         { "rg_7",               focusrg,        {.id = 6} },
6602         { "rg_8",               focusrg,        {.id = 7} },
6603         { "rg_9",               focusrg,        {.id = 8} },
6604         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
6605         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
6606         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
6607         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
6608         { "search_win",         search_win,     {0} },
6609         { "search_workspace",   search_workspace,       {0} },
6610         { "spawn_custom",       NULL,           {0} },
6611         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
6612         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
6613         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
6614         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
6615         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
6616         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
6617         { "uniconify",          uniconify,      {0} },
6618         { "version",            version,        {0} },
6619         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
6620         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
6621         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
6622         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
6623         { "ws_1",               switchws,       {.id = 0} },
6624         { "ws_2",               switchws,       {.id = 1} },
6625         { "ws_3",               switchws,       {.id = 2} },
6626         { "ws_4",               switchws,       {.id = 3} },
6627         { "ws_5",               switchws,       {.id = 4} },
6628         { "ws_6",               switchws,       {.id = 5} },
6629         { "ws_7",               switchws,       {.id = 6} },
6630         { "ws_8",               switchws,       {.id = 7} },
6631         { "ws_9",               switchws,       {.id = 8} },
6632         { "ws_10",              switchws,       {.id = 9} },
6633         { "ws_11",              switchws,       {.id = 10} },
6634         { "ws_12",              switchws,       {.id = 11} },
6635         { "ws_13",              switchws,       {.id = 12} },
6636         { "ws_14",              switchws,       {.id = 13} },
6637         { "ws_15",              switchws,       {.id = 14} },
6638         { "ws_16",              switchws,       {.id = 15} },
6639         { "ws_17",              switchws,       {.id = 16} },
6640         { "ws_18",              switchws,       {.id = 17} },
6641         { "ws_19",              switchws,       {.id = 18} },
6642         { "ws_20",              switchws,       {.id = 19} },
6643         { "ws_21",              switchws,       {.id = 20} },
6644         { "ws_22",              switchws,       {.id = 21} },
6645         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
6646         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6647         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6648         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6649         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6650         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6651         { "ws_prior",           priorws,        {0} },
6652         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6653         { "invalid key func",   NULL,           {0} },
6654 };
6655
6656 int
6657 key_cmp(struct key *kp1, struct key *kp2)
6658 {
6659         if (kp1->keysym < kp2->keysym)
6660                 return (-1);
6661         if (kp1->keysym > kp2->keysym)
6662                 return (1);
6663
6664         if (kp1->mod < kp2->mod)
6665                 return (-1);
6666         if (kp1->mod > kp2->mod)
6667                 return (1);
6668
6669         return (0);
6670 }
6671
6672 /* mouse */
6673 enum { client_click, root_click };
6674 struct button {
6675         unsigned int            action;
6676         unsigned int            mask;
6677         unsigned int            button;
6678         void                    (*func)(struct ws_win *, union arg *);
6679         union arg               args;
6680 } buttons[] = {
6681 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6682           /* action     key             mouse button    func    args */
6683         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6684         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6685         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6686 #undef MODKEY_SHIFT
6687 };
6688
6689 void
6690 update_modkey(unsigned int mod)
6691 {
6692         int                     i;
6693         struct key              *kp;
6694
6695         mod_key = mod;
6696         RB_FOREACH(kp, key_tree, &keys)
6697                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6698                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6699                 else
6700                         kp->mod = mod;
6701
6702         for (i = 0; i < LENGTH(buttons); i++)
6703                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6704                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6705                 else
6706                         buttons[i].mask = mod;
6707 }
6708
6709 int
6710 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6711     char ***ret_args)
6712 {
6713         struct spawn_prog       *prog = NULL;
6714         int                     i, c;
6715         char                    *ap, **real_args;
6716
6717         /* suppress unused warning since var is needed */
6718         (void)args;
6719
6720         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6721
6722         /* find program */
6723         TAILQ_FOREACH(prog, &spawns, entry) {
6724                 if (strcasecmp(spawn_name, prog->name) == 0)
6725                         break;
6726         }
6727         if (prog == NULL) {
6728                 warnx("spawn_custom: program %s not found", spawn_name);
6729                 return (-1);
6730         }
6731
6732         /* make room for expanded args */
6733         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6734                 err(1, "spawn_custom: calloc real_args");
6735
6736         /* expand spawn_args into real_args */
6737         for (i = c = 0; i < prog->argc; i++) {
6738                 ap = prog->argv[i];
6739                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6740                 if (strcasecmp(ap, "$bar_border") == 0) {
6741                         if ((real_args[c] =
6742                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6743                             == NULL)
6744                                 err(1,  "spawn_custom border color");
6745                 } else if (strcasecmp(ap, "$bar_color") == 0) {
6746                         if ((real_args[c] =
6747                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6748                             == NULL)
6749                                 err(1, "spawn_custom bar color");
6750                 } else if (strcasecmp(ap, "$bar_font") == 0) {
6751                         if ((real_args[c] = strdup(bar_fonts))
6752                             == NULL)
6753                                 err(1, "spawn_custom bar fonts");
6754                 } else if (strcasecmp(ap, "$bar_font_color") == 0) {
6755                         if ((real_args[c] =
6756                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6757                             == NULL)
6758                                 err(1, "spawn_custom color font");
6759                 } else if (strcasecmp(ap, "$color_focus") == 0) {
6760                         if ((real_args[c] =
6761                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6762                             == NULL)
6763                                 err(1, "spawn_custom color focus");
6764                 } else if (strcasecmp(ap, "$color_focus_maximized") == 0) {
6765                         if ((real_args[c] =
6766                             strdup(r->s->c[SWM_S_COLOR_FOCUS_MAXIMIZED].name))
6767                             == NULL)
6768                                 err(1, "spawn_custom color focus maximized");
6769                 } else if (strcasecmp(ap, "$color_unfocus") == 0) {
6770                         if ((real_args[c] =
6771                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6772                             == NULL)
6773                                 err(1, "spawn_custom color unfocus");
6774                 } else if (strcasecmp(ap, "$color_unfocus_maximized") == 0) {
6775                         if ((real_args[c] =
6776                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS_MAXIMIZED].name))
6777                             == NULL)
6778                                 err(1, "spawn_custom color unfocus maximized");
6779                 } else if (strcasecmp(ap, "$region_index") == 0) {
6780                         if (asprintf(&real_args[c], "%d",
6781                             get_region_index(r) + 1) < 1)
6782                                 err(1, "spawn_custom region index");
6783                 } else if (strcasecmp(ap, "$workspace_index") == 0) {
6784                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6785                                 err(1, "spawn_custom workspace index");
6786                 } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
6787                         if (!bar_at_bottom)
6788                                 continue;
6789                         if ((real_args[c] = strdup("-b")) == NULL)
6790                                 err(1, "spawn_custom workspace index");
6791                 } else {
6792                         /* no match --> copy as is */
6793                         if ((real_args[c] = strdup(ap)) == NULL)
6794                                 err(1, "spawn_custom strdup(ap)");
6795                 }
6796                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6797                     real_args[c]);
6798                 ++c;
6799         }
6800
6801 #ifdef SWM_DEBUG
6802         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6803         for (i = 0; i < c; ++i)
6804                 DPRINTF("\"%s\" ", real_args[i]);
6805         DPRINTF("\n");
6806 #endif
6807         *ret_args = real_args;
6808         return (c);
6809 }
6810
6811 void
6812 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6813 {
6814         union arg               a;
6815         char                    **real_args;
6816         int                     spawn_argc, i;
6817
6818         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6819                 return;
6820         a.argv = real_args;
6821         if (fork() == 0)
6822                 spawn(r->ws->idx, &a, true);
6823
6824         for (i = 0; i < spawn_argc; i++)
6825                 free(real_args[i]);
6826         free(real_args);
6827 }
6828
6829 void
6830 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6831     int *pid)
6832 {
6833         union arg               a;
6834         char                    **real_args;
6835         int                     i, spawn_argc;
6836
6837         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6838                 return;
6839         a.argv = real_args;
6840
6841         if (pipe(select_list_pipe) == -1)
6842                 err(1, "pipe error");
6843         if (pipe(select_resp_pipe) == -1)
6844                 err(1, "pipe error");
6845
6846         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6847                 err(1, "could not disable SIGPIPE");
6848         switch (*pid = fork()) {
6849         case -1:
6850                 err(1, "cannot fork");
6851                 break;
6852         case 0: /* child */
6853                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6854                         err(1, "dup2");
6855                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6856                         err(1, "dup2");
6857                 close(select_list_pipe[1]);
6858                 close(select_resp_pipe[0]);
6859                 spawn(r->ws->idx, &a, false);
6860                 break;
6861         default: /* parent */
6862                 close(select_list_pipe[0]);
6863                 close(select_resp_pipe[1]);
6864                 break;
6865         }
6866
6867         for (i = 0; i < spawn_argc; i++)
6868                 free(real_args[i]);
6869         free(real_args);
6870 }
6871
6872 /* Argument tokenizer. */
6873 char *
6874 argsep(char **sp) {
6875         char                    *arg, *cp, *next;
6876         bool                    single_quoted = false, double_quoted = false;
6877
6878         if (*sp == NULL)
6879                 return NULL;
6880
6881         /* Eat and move characters until end of argument is found. */
6882         for (arg = next = cp = *sp; *cp != '\0'; ++cp) {
6883                 if (!double_quoted && *cp == '\'') {
6884                         /* Eat single-quote. */
6885                         single_quoted = !single_quoted;
6886                 } else if (!single_quoted && *cp == '"') {
6887                         /* Eat double-quote. */
6888                         double_quoted = !double_quoted;
6889                 } else if (!single_quoted && *cp == '\\' && *(cp + 1) == '"') {
6890                         /* Eat backslash; copy escaped character to arg. */
6891                         *next++ = *(++cp);
6892                 } else if (!single_quoted && !double_quoted && *cp == '\\' &&
6893                     (*(cp + 1) == '\'' || *(cp + 1) == ' ')) {
6894                         /* Eat backslash; move escaped character. */
6895                         *next++ = *(++cp);
6896                 } else if (!single_quoted && !double_quoted &&
6897                     (*cp == ' ' || *cp == '\t')) {
6898                         /* Terminate argument. */
6899                         *next++ = '\0';
6900                         /* Point sp to beginning of next argument. */
6901                         *sp = ++cp;
6902                         break;
6903                 } else {
6904                         /* Move regular character. */
6905                         *next++ = *cp;
6906                 }
6907         }
6908
6909         /* Terminate argument if end of string. */
6910         if (*cp == '\0') {
6911                 *next = '\0';
6912                 *sp = NULL;
6913         }
6914
6915         return arg;
6916 }
6917
6918 void
6919 spawn_insert(const char *name, const char *args, int flags)
6920 {
6921         struct spawn_prog       *sp;
6922         char                    *arg, *cp, *ptr;
6923
6924         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s[%s]\n", name, args);
6925
6926         if (args == NULL || *args == '\0')
6927                 return;
6928
6929         if ((sp = calloc(1, sizeof *sp)) == NULL)
6930                 err(1, "spawn_insert: calloc");
6931         if ((sp->name = strdup(name)) == NULL)
6932                 err(1, "spawn_insert: strdup");
6933
6934         /* Convert the arguments to an argument list. */
6935         if ((ptr = cp = strdup(args)) == NULL)
6936                 err(1, "spawn_insert: strdup");
6937         while ((arg = argsep(&ptr)) != NULL) {
6938                 /* Null argument; skip it. */
6939                 if (*arg == '\0')
6940                         continue;
6941
6942                 sp->argc++;
6943                 if ((sp->argv = realloc(sp->argv, sp->argc *
6944                     sizeof *sp->argv)) == NULL)
6945                         err(1, "spawn_insert: realloc");
6946                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6947                         err(1, "spawn_insert: strdup");
6948         }
6949         free(cp);
6950
6951         sp->flags = flags;
6952
6953         DNPRINTF(SWM_D_SPAWN, "arg %d: [%s]\n", sp->argc, sp->argv[sp->argc-1]);
6954         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6955         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6956 }
6957
6958 void
6959 spawn_remove(struct spawn_prog *sp)
6960 {
6961         int                     i;
6962
6963         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6964
6965         TAILQ_REMOVE(&spawns, sp, entry);
6966         for (i = 0; i < sp->argc; i++)
6967                 free(sp->argv[i]);
6968         free(sp->argv);
6969         free(sp->name);
6970         free(sp);
6971
6972         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6973 }
6974
6975 struct spawn_prog*
6976 spawn_find(const char *name)
6977 {
6978         struct spawn_prog       *sp;
6979
6980         TAILQ_FOREACH(sp, &spawns, entry)
6981                 if (strcasecmp(sp->name, name) == 0)
6982                         return sp;
6983
6984         return NULL;
6985 }
6986
6987 void
6988 setspawn(const char *name, const char *args, int flags)
6989 {
6990         struct spawn_prog       *sp;
6991
6992         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6993
6994         if (name == NULL)
6995                 return;
6996
6997         /* Remove any old spawn under the same name. */
6998         if ((sp = spawn_find(name)) != NULL)
6999                 spawn_remove(sp);
7000
7001         if (*args != '\0')
7002                 spawn_insert(name, args, flags);
7003         else
7004                 warnx("error: setspawn: cannot find program: %s", name);
7005
7006         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
7007 }
7008
7009 int
7010 setconfspawn(const char *selector, const char *value, int flags)
7011 {
7012         char            *args;
7013
7014         if (selector == NULL || strlen(selector) == 0)
7015                 return (1);
7016
7017         args = expand_tilde(value);
7018
7019         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
7020
7021         setspawn(selector, args, flags);
7022         free(args);
7023
7024         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
7025         return (0);
7026 }
7027
7028 void
7029 validate_spawns(void)
7030 {
7031         struct spawn_prog       *sp;
7032         char                    which[PATH_MAX];
7033         size_t                  i;
7034
7035         struct key              *kp;
7036
7037         RB_FOREACH(kp, key_tree, &keys) {
7038                 if (kp->funcid != KF_SPAWN_CUSTOM)
7039                         continue;
7040
7041                 /* find program */
7042                 sp = spawn_find(kp->spawn_name);
7043                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
7044                         continue;
7045
7046                 /* verify we have the goods */
7047                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
7048                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
7049                     sp->argv[0]);
7050                 for (i = strlen("which "); i < strlen(which); i++)
7051                         if (which[i] == ' ') {
7052                                 which[i] = '\0';
7053                                 break;
7054                         }
7055                 if (system(which) != 0)
7056                         add_startup_exception("could not find %s",
7057                             &which[strlen("which ")]);
7058         }
7059 }
7060
7061 void
7062 setup_spawn(void)
7063 {
7064         setconfspawn("lock",            "xlock",                0);
7065
7066         setconfspawn("term",            "xterm",                0);
7067         setconfspawn("spawn_term",      "xterm",                0);
7068
7069         setconfspawn("menu",            "dmenu_run"
7070                                         " $dmenu_bottom"
7071                                         " -fn $bar_font"
7072                                         " -nb $bar_color"
7073                                         " -nf $bar_font_color"
7074                                         " -sb $bar_border"
7075                                         " -sf $bar_color",      0);
7076
7077         setconfspawn("search",          "dmenu"
7078                                         " $dmenu_bottom"
7079                                         " -i"
7080                                         " -fn $bar_font"
7081                                         " -nb $bar_color"
7082                                         " -nf $bar_font_color"
7083                                         " -sb $bar_border"
7084                                         " -sf $bar_color",      0);
7085
7086         setconfspawn("name_workspace",  "dmenu"
7087                                         " $dmenu_bottom"
7088                                         " -p Workspace"
7089                                         " -fn $bar_font"
7090                                         " -nb $bar_color"
7091                                         " -nf $bar_font_color"
7092                                         " -sb $bar_border"
7093                                         " -sf $bar_color",      0);
7094
7095          /* These are not verified for existence, even with a binding set. */
7096         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
7097         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
7098         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
7099 }
7100
7101 /* key bindings */
7102 #define SWM_MODNAME_SIZE        32
7103 #define SWM_KEY_WS              "\n+ \t"
7104 int
7105 parsekeys(const char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
7106 {
7107         char                    *str, *cp, *name;
7108         KeySym                  uks;
7109
7110         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
7111         if (mod == NULL || ks == NULL) {
7112                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
7113                 return (1);
7114         }
7115         if (keystr == NULL || strlen(keystr) == 0) {
7116                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
7117                 return (1);
7118         }
7119
7120         if ((cp = str = strdup(keystr)) == NULL)
7121                 err(1, "parsekeys: strdup");
7122
7123         *ks = XCB_NO_SYMBOL;
7124         *mod = 0;
7125         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
7126                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
7127                 if (cp)
7128                         cp += (long)strspn(cp, SWM_KEY_WS);
7129                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
7130                         *mod |= currmod;
7131                 else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
7132                         *mod |= XCB_MOD_MASK_1;
7133                 else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
7134                         *mod += XCB_MOD_MASK_2;
7135                 else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
7136                         *mod |= XCB_MOD_MASK_3;
7137                 else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
7138                         *mod |= XCB_MOD_MASK_4;
7139                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
7140                         *mod |= XCB_MOD_MASK_SHIFT;
7141                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
7142                         *mod |= XCB_MOD_MASK_CONTROL;
7143                 else {
7144                         *ks = XStringToKeysym(name);
7145                         XConvertCase(*ks, ks, &uks);
7146                         if (ks == XCB_NO_SYMBOL) {
7147                                 DNPRINTF(SWM_D_KEY,
7148                                     "parsekeys: invalid key %s\n",
7149                                     name);
7150                                 free(str);
7151                                 return (1);
7152                         }
7153                 }
7154         }
7155
7156         free(str);
7157         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
7158         return (0);
7159 }
7160
7161 char *
7162 strdupsafe(const char *str)
7163 {
7164         if (str == NULL)
7165                 return (NULL);
7166         else
7167                 return (strdup(str));
7168 }
7169
7170 void
7171 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
7172     const char *spawn_name)
7173 {
7174         struct key              *kp;
7175
7176         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
7177             keyfuncs[kfid].name, spawn_name);
7178
7179         if ((kp = malloc(sizeof *kp)) == NULL)
7180                 err(1, "key_insert: malloc");
7181
7182         kp->mod = mod;
7183         kp->keysym = ks;
7184         kp->funcid = kfid;
7185         kp->spawn_name = strdupsafe(spawn_name);
7186         RB_INSERT(key_tree, &keys, kp);
7187
7188         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
7189 }
7190
7191 struct key *
7192 key_lookup(unsigned int mod, KeySym ks)
7193 {
7194         struct key              kp;
7195
7196         kp.keysym = ks;
7197         kp.mod = mod;
7198
7199         return (RB_FIND(key_tree, &keys, &kp));
7200 }
7201
7202 void
7203 key_remove(struct key *kp)
7204 {
7205         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
7206
7207         RB_REMOVE(key_tree, &keys, kp);
7208         free(kp->spawn_name);
7209         free(kp);
7210
7211         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
7212 }
7213
7214 void
7215 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
7216     const char *spawn_name)
7217 {
7218         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
7219             spawn_name);
7220
7221         key_remove(kp);
7222         key_insert(mod, ks, kfid, spawn_name);
7223
7224         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
7225 }
7226
7227 void
7228 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
7229     const char *spawn_name)
7230 {
7231         struct key              *kp;
7232
7233         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
7234             keyfuncs[kfid].name, spawn_name);
7235
7236         if ((kp = key_lookup(mod, ks)) != NULL) {
7237                 if (kfid == KF_INVALID)
7238                         key_remove(kp);
7239                 else
7240                         key_replace(kp, mod, ks, kfid, spawn_name);
7241                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
7242                 return;
7243         }
7244         if (kfid == KF_INVALID) {
7245                 warnx("bind: Key combination already unbound.");
7246                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
7247                 return;
7248         }
7249
7250         key_insert(mod, ks, kfid, spawn_name);
7251         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
7252 }
7253
7254 int
7255 setconfbinding(const char *selector, const char *value, int flags)
7256 {
7257         enum keyfuncid          kfid;
7258         unsigned int            mod;
7259         KeySym                  ks;
7260         struct spawn_prog       *sp;
7261
7262         /* suppress unused warning since var is needed */
7263         (void)flags;
7264
7265         DNPRINTF(SWM_D_KEY, "setconfbinding: enter selector: [%s], "
7266             "value: [%s]\n", selector, value);
7267         if (selector == NULL || strlen(selector) == 0) {
7268                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
7269                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
7270                         kfid = KF_INVALID;
7271                         setkeybinding(mod, ks, kfid, NULL);
7272                         return (0);
7273                 } else
7274                         return (1);
7275         }
7276         /* search by key function name */
7277         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
7278                 if (strncasecmp(selector, keyfuncs[kfid].name,
7279                     SWM_FUNCNAME_LEN) == 0) {
7280                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
7281                             "keyfunc\n", selector);
7282                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
7283                                 setkeybinding(mod, ks, kfid, NULL);
7284                                 return (0);
7285                         } else
7286                                 return (1);
7287                 }
7288         }
7289         /* search by custom spawn name */
7290         if ((sp = spawn_find(selector)) != NULL) {
7291                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
7292                     "spawn\n", selector);
7293                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
7294                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
7295                             sp->name);
7296                         return (0);
7297                 } else
7298                         return (1);
7299         }
7300         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
7301         return (1);
7302 }
7303
7304 void
7305 setup_keys(void)
7306 {
7307 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
7308         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
7309         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
7310         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
7311         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
7312         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
7313         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
7314         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
7315         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
7316         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
7317         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
7318         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
7319         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
7320         setkeybinding(MODKEY,           XK_e,           KF_MAXIMIZE_TOGGLE,NULL);
7321         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
7322         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
7323         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
7324         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
7325         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
7326         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
7327         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
7328         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
7329         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
7330         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
7331         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
7332         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
7333         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
7334         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
7335         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
7336         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
7337         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
7338         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
7339         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
7340         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
7341         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
7342         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
7343         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
7344         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
7345         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
7346         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
7347         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
7348         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
7349         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
7350         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
7351         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
7352         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
7353         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
7354         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
7355         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
7356         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
7357         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
7358         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
7359         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
7360         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
7361         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
7362         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
7363         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
7364         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
7365         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
7366         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
7367         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
7368         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
7369         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
7370         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
7371         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
7372         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
7373         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
7374         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
7375         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
7376         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
7377         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
7378         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
7379         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
7380         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
7381         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
7382         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
7383         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
7384         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
7385         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
7386         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
7387         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
7388         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
7389         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
7390         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
7391         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
7392         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
7393         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
7394         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
7395         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
7396         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
7397         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
7398         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
7399         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
7400         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
7401         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
7402         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
7403         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
7404         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
7405         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
7406         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
7407         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
7408         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
7409         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
7410         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
7411         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
7412         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
7413         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
7414         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
7415         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
7416         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
7417         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
7418         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
7419         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
7420         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
7421         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
7422         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
7423         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
7424         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
7425         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
7426         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
7427 #ifdef SWM_DEBUG
7428         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
7429 #endif
7430 #undef MODKEY_SHIFT
7431 }
7432
7433 void
7434 clear_keys(void)
7435 {
7436         struct key              *kp;
7437
7438         while (RB_EMPTY(&keys) == 0) {
7439                 kp = RB_ROOT(&keys);
7440                 key_remove(kp);
7441         }
7442 }
7443
7444 int
7445 setkeymapping(const char *selector, const char *value, int flags)
7446 {
7447         char                    *keymapping_file;
7448
7449         /* suppress unused warnings since vars are needed */
7450         (void)selector;
7451         (void)flags;
7452
7453         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
7454
7455         keymapping_file = expand_tilde(value);
7456
7457         clear_keys();
7458         /* load new key bindings; if it fails, revert to default bindings */
7459         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
7460                 clear_keys();
7461                 setup_keys();
7462         }
7463
7464         free(keymapping_file);
7465
7466         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
7467         return (0);
7468 }
7469
7470 void
7471 updatenumlockmask(void)
7472 {
7473         unsigned int                            i, j;
7474         xcb_get_modifier_mapping_reply_t        *modmap_r;
7475         xcb_keycode_t                           *modmap, kc, *keycode;
7476
7477         numlockmask = 0;
7478
7479         modmap_r = xcb_get_modifier_mapping_reply(conn,
7480             xcb_get_modifier_mapping(conn),
7481             NULL);
7482         if (modmap_r) {
7483                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
7484                 for (i = 0; i < 8; i++) {
7485                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
7486                                 kc = modmap[i * modmap_r->keycodes_per_modifier
7487                                     + j];
7488                                 keycode = xcb_key_symbols_get_keycode(syms,
7489                                                 XK_Num_Lock);
7490                                 if (keycode) {
7491                                         if (kc == *keycode)
7492                                                 numlockmask = (1 << i);
7493                                         free(keycode);
7494                                 }
7495                         }
7496                 }
7497                 free(modmap_r);
7498         }
7499         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
7500 }
7501
7502 void
7503 grabkeys(void)
7504 {
7505         struct key              *kp;
7506         int                     num_screens, k, j;
7507         unsigned int            modifiers[4];
7508         xcb_keycode_t           *code;
7509
7510         DNPRINTF(SWM_D_MISC, "grabkeys\n");
7511         updatenumlockmask();
7512
7513         modifiers[0] = 0;
7514         modifiers[1] = numlockmask;
7515         modifiers[2] = XCB_MOD_MASK_LOCK;
7516         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
7517
7518         num_screens = get_screen_count();
7519         for (k = 0; k < num_screens; k++) {
7520                 if (TAILQ_EMPTY(&screens[k].rl))
7521                         continue;
7522                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
7523                         XCB_MOD_MASK_ANY);
7524                 RB_FOREACH(kp, key_tree, &keys) {
7525                         /* Skip unused ws binds. */
7526                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
7527                             kp->funcid <= KF_WS_22)
7528                                 continue;
7529
7530                         /* Skip unused mvws binds. */
7531                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
7532                             kp->funcid <= KF_MVWS_22)
7533                                 continue;
7534
7535                         if ((code = xcb_key_symbols_get_keycode(syms,
7536                                         kp->keysym))) {
7537                                 for (j = 0; j < LENGTH(modifiers); j++)
7538                                         xcb_grab_key(conn, 1,
7539                                             screens[k].root,
7540                                             kp->mod | modifiers[j],
7541                                             *code, XCB_GRAB_MODE_SYNC,
7542                                             XCB_GRAB_MODE_SYNC);
7543                                 free(code);
7544                         }
7545                 }
7546         }
7547 }
7548
7549 void
7550 grabbuttons(struct ws_win *win)
7551 {
7552         unsigned int    modifiers[4];
7553         int             i, j;
7554
7555         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win %#x\n", win->id);
7556         updatenumlockmask();
7557
7558         modifiers[0] = 0;
7559         modifiers[1] = numlockmask;
7560         modifiers[2] = XCB_MOD_MASK_LOCK;
7561         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
7562
7563         for (i = 0; i < LENGTH(buttons); i++)
7564                 if (buttons[i].action == client_click)
7565                         for (j = 0; j < LENGTH(modifiers); ++j)
7566                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
7567                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
7568                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
7569                                     buttons[i].button, buttons[i].mask |
7570                                     modifiers[j]);
7571 }
7572
7573 const char *quirkname[] = {
7574         "NONE",         /* config string for "no value" */
7575         "FLOAT",
7576         "TRANSSZ",
7577         "ANYWHERE",
7578         "XTERM_FONTADJ",
7579         "FULLSCREEN",
7580         "FOCUSPREV",
7581         "NOFOCUSONMAP",
7582         "FOCUSONMAP_SINGLE",
7583         "OBEYAPPFOCUSREQ",
7584         "IGNOREPID",
7585         "IGNORESPAWNWS",
7586 };
7587
7588 /* SWM_Q_DELIM: retain '|' for back compat for now (2009-08-11) */
7589 #define SWM_Q_DELIM             "\n|+ \t"
7590 int
7591 parsequirks(const char *qstr, uint32_t *quirk, int *ws)
7592 {
7593         char                    *str, *cp, *name;
7594         int                     i;
7595
7596         if (quirk == NULL || qstr == NULL)
7597                 return (1);
7598
7599         if ((str = strdup(qstr)) == NULL)
7600                 err(1, "parsequirks: strdup");
7601
7602         cp = str;
7603         *quirk = 0;
7604         while ((name = strsep(&cp, SWM_Q_DELIM)) != NULL) {
7605                 if (cp)
7606                         cp += (long)strspn(cp, SWM_Q_DELIM);
7607
7608                 if (sscanf(name, "WS[%d]", ws) == 1) {
7609                         if (*ws > 0)
7610                                 *ws -= 1;
7611                         continue;
7612                 }
7613
7614                 for (i = 0; i < LENGTH(quirkname); i++) {
7615                         if (strncasecmp(name, quirkname[i],
7616                             SWM_QUIRK_LEN) == 0) {
7617                                 DNPRINTF(SWM_D_QUIRK,
7618                                     "parsequirks: %s\n", name);
7619                                 if (i == 0) {
7620                                         *quirk = 0;
7621                                         free(str);
7622                                         return (0);
7623                                 }
7624                                 *quirk |= 1 << (i-1);
7625                                 break;
7626                         }
7627                 }
7628                 if (i >= LENGTH(quirkname)) {
7629                         DNPRINTF(SWM_D_QUIRK,
7630                             "parsequirks: invalid quirk [%s]\n", name);
7631                         free(str);
7632                         return (1);
7633                 }
7634         }
7635
7636         free(str);
7637         return (0);
7638 }
7639
7640 void
7641 quirk_insert(const char *class, const char *instance, const char *name,
7642     uint32_t quirk, int ws)
7643 {
7644         struct quirk            *qp;
7645         char                    *str;
7646         bool                    failed = false;
7647
7648         DNPRINTF(SWM_D_QUIRK, "quirk_insert: class: %s, instance: %s, name: %s,"
7649             " value: %u, ws: %d\n", class, instance, name, quirk, ws);
7650
7651         if ((qp = malloc(sizeof *qp)) == NULL)
7652                 err(1, "quirk_insert: malloc");
7653
7654         if ((qp->class = strdup(class)) == NULL)
7655                 err(1, "quirk_insert: strdup");
7656         if ((qp->instance = strdup(instance)) == NULL)
7657                 err(1, "quirk_insert: strdup");
7658         if ((qp->name = strdup(name)) == NULL)
7659                 err(1, "quirk_insert: strdup");
7660
7661         if (asprintf(&str, "^%s$", class) == -1)
7662                 err(1, "quirk_insert: asprintf");
7663         if (regcomp(&qp->regex_class, str, REG_EXTENDED | REG_NOSUB)) {
7664                 add_startup_exception("regex failed to compile quirk 'class' "
7665                     "field: %s", class);
7666                 failed = true;
7667         }
7668         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7669         free(str);
7670
7671         if (asprintf(&str, "^%s$", instance) == -1)
7672                 err(1, "quirk_insert: asprintf");
7673         if (regcomp(&qp->regex_instance, str, REG_EXTENDED | REG_NOSUB)) {
7674                 add_startup_exception("regex failed to compile quirk 'instance'"
7675                     " field: %s", instance);
7676                 failed = true;
7677         }
7678         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7679         free(str);
7680
7681         if (asprintf(&str, "^%s$", name) == -1)
7682                 err(1, "quirk_insert: asprintf");
7683         if (regcomp(&qp->regex_name, str, REG_EXTENDED | REG_NOSUB)) {
7684                 add_startup_exception("regex failed to compile quirk 'name' "
7685                     "field: %s", name);
7686                 failed = true;
7687         }
7688         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7689         free(str);
7690
7691         if (failed) {
7692                 DNPRINTF(SWM_D_QUIRK, "quirk_insert: regex error; skipping.\n");
7693                 quirk_free(qp);
7694         } else {
7695                 qp->quirk = quirk;
7696                 qp->ws = ws;
7697                 TAILQ_INSERT_TAIL(&quirks, qp, entry);
7698         }
7699         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
7700 }
7701
7702 void
7703 quirk_remove(struct quirk *qp)
7704 {
7705         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%u]\n", qp->class,
7706             qp->name, qp->quirk);
7707
7708         TAILQ_REMOVE(&quirks, qp, entry);
7709         quirk_free(qp);
7710
7711         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
7712 }
7713
7714 void
7715 quirk_free(struct quirk *qp)
7716 {
7717         regfree(&qp->regex_class);
7718         regfree(&qp->regex_instance);
7719         regfree(&qp->regex_name);
7720         free(qp->class);
7721         free(qp->instance);
7722         free(qp->name);
7723         free(qp);
7724 }
7725
7726 void
7727 quirk_replace(struct quirk *qp, const char *class, const char *instance,
7728     const char *name, uint32_t quirk, int ws)
7729 {
7730         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s:%s [%u], ws: %d\n", qp->class,
7731             qp->instance, qp->name, qp->quirk, qp->ws);
7732
7733         quirk_remove(qp);
7734         quirk_insert(class, instance, name, quirk, ws);
7735
7736         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
7737 }
7738
7739 void
7740 setquirk(const char *class, const char *instance, const char *name,
7741     uint32_t quirk, int ws)
7742 {
7743         struct quirk            *qp;
7744
7745         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s:%s [%u], ws: %d\n", class,
7746             instance, name, quirk, ws);
7747
7748         /* Remove/replace existing quirk. */
7749         TAILQ_FOREACH(qp, &quirks, entry) {
7750                 if (strcmp(qp->class, class) == 0 &&
7751                     strcmp(qp->instance, instance) == 0 &&
7752                     strcmp(qp->name, name) == 0) {
7753                         if (quirk == 0 && ws == -1)
7754                                 quirk_remove(qp);
7755                         else
7756                                 quirk_replace(qp, class, instance, name, quirk,
7757                                     ws);
7758                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7759                         return;
7760                 }
7761         }
7762
7763         /* Only insert if quirk is not NONE or forced ws is set. */
7764         if (quirk || ws != -1)
7765                 quirk_insert(class, instance, name, quirk, ws);
7766
7767         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7768 }
7769
7770 /* Eat '\' in str used to escape square brackets and colon. */
7771 void
7772 unescape_selector(char *str)
7773 {
7774         char *cp;
7775
7776         for (cp = str; *str != '\0'; ++str, ++cp) {
7777                 if (*str == '\\' && (*(str + 1) == ':' || *(str + 1) == ']' ||
7778                     *(str + 1) == '['))
7779                         ++str;
7780
7781                 *cp = *str;
7782         }
7783         *cp = '\0';
7784 }
7785
7786 int
7787 setconfquirk(const char *selector, const char *value, int flags)
7788 {
7789         char                    *str, *cp, *class;
7790         char                    *instance = NULL, *name = NULL;
7791         int                     retval, count = 0, ws = -1;
7792         uint32_t                qrks;
7793
7794         /* suppress unused warning since var is needed */
7795         (void)flags;
7796
7797         if (selector == NULL || strlen(selector) == 0)
7798                 return (0);
7799
7800         if ((str = strdup(selector)) == NULL)
7801                 err(1, "setconfquirk: strdup");
7802
7803         /* Find non-escaped colon. */
7804         class = cp = str;
7805         if (*cp == ':') {
7806                 *cp = '\0';
7807                 ++count;
7808         }
7809
7810         for (++cp; *cp != '\0'; ++cp) {
7811                 if (*cp == ':' && *(cp - 1) != '\\') {
7812                         *cp = '\0';
7813                         ++count;
7814                 }
7815         }
7816
7817         unescape_selector(class);
7818         if (count) {
7819                 instance = class + strlen(class) + 1;
7820                 unescape_selector(instance);
7821         } else {
7822                 instance = ".*";
7823         }
7824
7825         if (count > 1) {
7826                 name = instance + strlen(instance) + 1;
7827                 unescape_selector(name);
7828         } else {
7829                 name = ".*";
7830         }
7831
7832         DNPRINTF(SWM_D_CONF, "setconfquirk: class: %s, instance: %s, "
7833             "name: %s\n", class, instance, name);
7834
7835         if ((retval = parsequirks(value, &qrks, &ws)) == 0)
7836                 setquirk(class, instance, name, qrks, ws);
7837
7838         free(str);
7839         return (retval);
7840 }
7841
7842 void
7843 setup_quirks(void)
7844 {
7845         setquirk("MPlayer",             "xv",           ".*",
7846             SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV, -1);
7847         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  ".*",
7848             SWM_Q_FLOAT, -1);
7849         setquirk("Firefox-bin",         "firefox-bin",  ".*",
7850             SWM_Q_TRANSSZ, -1);
7851         setquirk("Firefox",             "Dialog",       ".*",
7852             SWM_Q_FLOAT, -1);
7853         setquirk("Gimp",                "gimp",         ".*",
7854             SWM_Q_FLOAT | SWM_Q_ANYWHERE, -1);
7855         setquirk("XTerm",               "xterm",        ".*",
7856             SWM_Q_XTERM_FONTADJ, -1);
7857         setquirk("xine",                "Xine Window",  ".*",
7858             SWM_Q_FLOAT | SWM_Q_ANYWHERE, -1);
7859         setquirk("Xitk",                "Xitk Combo",   ".*",
7860             SWM_Q_FLOAT | SWM_Q_ANYWHERE, -1);
7861         setquirk("xine",                "xine Panel",   ".*",
7862             SWM_Q_FLOAT | SWM_Q_ANYWHERE, -1);
7863         setquirk("Xitk",                "Xine Window",  ".*",
7864             SWM_Q_FLOAT | SWM_Q_ANYWHERE, -1);
7865         setquirk("xine",                "xine Video Fullscreen Window", ".*",
7866             SWM_Q_FULLSCREEN | SWM_Q_FLOAT, -1);
7867         setquirk("pcb",                 "pcb",          ".*",
7868             SWM_Q_FLOAT, -1);
7869         setquirk("SDL_App",             "SDL_App",      ".*",
7870             SWM_Q_FLOAT | SWM_Q_FULLSCREEN, -1);
7871 }
7872
7873 /* conf file stuff */
7874 #define SWM_CONF_FILE           "spectrwm.conf"
7875 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7876
7877 enum {
7878         SWM_S_BAR_ACTION,
7879         SWM_S_BAR_AT_BOTTOM,
7880         SWM_S_BAR_BORDER_WIDTH,
7881         SWM_S_BAR_DELAY,
7882         SWM_S_BAR_ENABLED,
7883         SWM_S_BAR_ENABLED_WS,
7884         SWM_S_BAR_FONT,
7885         SWM_S_BAR_FORMAT,
7886         SWM_S_BAR_JUSTIFY,
7887         SWM_S_BORDER_WIDTH,
7888         SWM_S_BOUNDARY_WIDTH,
7889         SWM_S_CLOCK_ENABLED,
7890         SWM_S_CLOCK_FORMAT,
7891         SWM_S_CYCLE_EMPTY,
7892         SWM_S_CYCLE_VISIBLE,
7893         SWM_S_DIALOG_RATIO,
7894         SWM_S_DISABLE_BORDER,
7895         SWM_S_FOCUS_CLOSE,
7896         SWM_S_FOCUS_CLOSE_WRAP,
7897         SWM_S_FOCUS_DEFAULT,
7898         SWM_S_FOCUS_MODE,
7899         SWM_S_ICONIC_ENABLED,
7900         SWM_S_JAVA_WORKAROUND,
7901         SWM_S_REGION_PADDING,
7902         SWM_S_SPAWN_ORDER,
7903         SWM_S_SPAWN_TERM,
7904         SWM_S_SS_APP,
7905         SWM_S_SS_ENABLED,
7906         SWM_S_STACK_ENABLED,
7907         SWM_S_TERM_WIDTH,
7908         SWM_S_TILE_GAP,
7909         SWM_S_URGENT_ENABLED,
7910         SWM_S_VERBOSE_LAYOUT,
7911         SWM_S_WARP_POINTER,
7912         SWM_S_WINDOW_CLASS_ENABLED,
7913         SWM_S_WINDOW_INSTANCE_ENABLED,
7914         SWM_S_WINDOW_NAME_ENABLED,
7915         SWM_S_WORKSPACE_LIMIT,
7916         SWM_S_WORKSPACE_NAME,
7917 };
7918
7919 int
7920 setconfvalue(const char *selector, const char *value, int flags)
7921 {
7922         struct workspace        *ws;
7923         int                     i, ws_id, num_screens;
7924         char                    *b, *str, s[1024];
7925
7926         switch (flags) {
7927         case SWM_S_BAR_ACTION:
7928                 free(bar_argv[0]);
7929                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7930                         err(1, "setconfvalue: bar_action");
7931                 break;
7932         case SWM_S_BAR_AT_BOTTOM:
7933                 bar_at_bottom = (atoi(value) != 0);
7934                 break;
7935         case SWM_S_BAR_BORDER_WIDTH:
7936                 bar_border_width = atoi(value);
7937                 if (bar_border_width < 0)
7938                         bar_border_width = 0;
7939                 break;
7940         case SWM_S_BAR_DELAY:
7941                 /* No longer needed; leave to not break old conf files. */
7942                 break;
7943         case SWM_S_BAR_ENABLED:
7944                 bar_enabled = (atoi(value) != 0);
7945                 break;
7946         case SWM_S_BAR_ENABLED_WS:
7947                 ws_id = atoi(selector) - 1;
7948                 if (ws_id < 0 || ws_id >= workspace_limit)
7949                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7950                             "workspace %d.", ws_id + 1);
7951
7952                 num_screens = get_screen_count();
7953                 for (i = 0; i < num_screens; i++) {
7954                         ws = (struct workspace *)&screens[i].ws;
7955                         ws[ws_id].bar_enabled = (atoi(value) != 0);
7956                 }
7957                 break;
7958         case SWM_S_BAR_FONT:
7959                 b = bar_fonts;
7960                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7961                         err(1, "setconfvalue: asprintf: failed to allocate "
7962                                 "memory for bar_fonts.");
7963                 free(b);
7964
7965                 /* If already in xft mode, then we are done. */
7966                 if (!bar_font_legacy)
7967                         break;
7968
7969                 if ((str = strdup(value)) == NULL)
7970                         err(1, "setconfvalue: strdup");
7971
7972                 /* If there are any non-XLFD entries, switch to Xft mode. */
7973                 while ((b = strsep(&str, ",")) != NULL) {
7974                         if (*b == '\0')
7975                                 continue;
7976                         if (!isxlfd(b)) {
7977                                 bar_font_legacy = false;
7978                                 break;
7979                         }
7980                 }
7981
7982                 free(str);
7983                 break;
7984         case SWM_S_BAR_FORMAT:
7985                 free(bar_format);
7986                 if ((bar_format = strdup(value)) == NULL)
7987                         err(1, "setconfvalue: bar_format");
7988                 break;
7989         case SWM_S_BAR_JUSTIFY:
7990                 if (strcmp(value, "left") == 0)
7991                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7992                 else if (strcmp(value, "center") == 0)
7993                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7994                 else if (strcmp(value, "right") == 0)
7995                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7996                 else
7997                         errx(1, "invalid bar_justify");
7998                 break;
7999         case SWM_S_BORDER_WIDTH:
8000                 border_width = atoi(value);
8001                 if (border_width < 0)
8002                         border_width = 0;
8003                 break;
8004         case SWM_S_BOUNDARY_WIDTH:
8005                 boundary_width = atoi(value);
8006                 if (boundary_width < 0)
8007                         boundary_width = 0;
8008                 break;
8009         case SWM_S_CLOCK_ENABLED:
8010                 clock_enabled = (atoi(value) != 0);
8011                 break;
8012         case SWM_S_CLOCK_FORMAT:
8013 #ifndef SWM_DENY_CLOCK_FORMAT
8014                 free(clock_format);
8015                 if ((clock_format = strdup(value)) == NULL)
8016                         err(1, "setconfvalue: clock_format");
8017 #endif
8018                 break;
8019         case SWM_S_CYCLE_EMPTY:
8020                 cycle_empty = (atoi(value) != 0);
8021                 break;
8022         case SWM_S_CYCLE_VISIBLE:
8023                 cycle_visible = (atoi(value) != 0);
8024                 break;
8025         case SWM_S_DIALOG_RATIO:
8026                 dialog_ratio = atof(value);
8027                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
8028                         dialog_ratio = .6;
8029                 break;
8030         case SWM_S_DISABLE_BORDER:
8031                 disable_border = (atoi(value) != 0);
8032                 break;
8033         case SWM_S_FOCUS_CLOSE:
8034                 if (strcmp(value, "first") == 0)
8035                         focus_close = SWM_STACK_BOTTOM;
8036                 else if (strcmp(value, "last") == 0)
8037                         focus_close = SWM_STACK_TOP;
8038                 else if (strcmp(value, "next") == 0)
8039                         focus_close = SWM_STACK_ABOVE;
8040                 else if (strcmp(value, "previous") == 0)
8041                         focus_close = SWM_STACK_BELOW;
8042                 else
8043                         errx(1, "focus_close");
8044                 break;
8045         case SWM_S_FOCUS_CLOSE_WRAP:
8046                 focus_close_wrap = (atoi(value) != 0);
8047                 break;
8048         case SWM_S_FOCUS_DEFAULT:
8049                 if (strcmp(value, "last") == 0)
8050                         focus_default = SWM_STACK_TOP;
8051                 else if (strcmp(value, "first") == 0)
8052                         focus_default = SWM_STACK_BOTTOM;
8053                 else
8054                         errx(1, "focus_default");
8055                 break;
8056         case SWM_S_FOCUS_MODE:
8057                 if (strcmp(value, "default") == 0)
8058                         focus_mode = SWM_FOCUS_DEFAULT;
8059                 else if (strcmp(value, "follow") == 0 ||
8060                     strcmp(value, "follow_cursor") == 0)
8061                         focus_mode = SWM_FOCUS_FOLLOW;
8062                 else if (strcmp(value, "manual") == 0)
8063                         focus_mode = SWM_FOCUS_MANUAL;
8064                 else
8065                         errx(1, "focus_mode");
8066                 break;
8067         case SWM_S_ICONIC_ENABLED:
8068                 iconic_enabled = (atoi(value) != 0);
8069                 break;
8070         case SWM_S_JAVA_WORKAROUND:
8071                 java_workaround = (atoi(value) != 0);
8072                 break;
8073         case SWM_S_REGION_PADDING:
8074                 region_padding = atoi(value);
8075                 if (region_padding < 0)
8076                         region_padding = 0;
8077                 break;
8078         case SWM_S_SPAWN_ORDER:
8079                 if (strcmp(value, "first") == 0)
8080                         spawn_position = SWM_STACK_BOTTOM;
8081                 else if (strcmp(value, "last") == 0)
8082                         spawn_position = SWM_STACK_TOP;
8083                 else if (strcmp(value, "next") == 0)
8084                         spawn_position = SWM_STACK_ABOVE;
8085                 else if (strcmp(value, "previous") == 0)
8086                         spawn_position = SWM_STACK_BELOW;
8087                 else
8088                         errx(1, "spawn_position");
8089                 break;
8090         case SWM_S_SPAWN_TERM:
8091                 setconfspawn("term", value, 0);
8092                 setconfspawn("spawn_term", value, 0);
8093                 break;
8094         case SWM_S_SS_APP:
8095                 /* No longer needed; leave to not break old conf files. */
8096                 break;
8097         case SWM_S_SS_ENABLED:
8098                 /* No longer needed; leave to not break old conf files. */
8099                 break;
8100         case SWM_S_STACK_ENABLED:
8101                 stack_enabled = (atoi(value) != 0);
8102                 break;
8103         case SWM_S_TERM_WIDTH:
8104                 term_width = atoi(value);
8105                 if (term_width < 0)
8106                         term_width = 0;
8107                 break;
8108         case SWM_S_TILE_GAP:
8109                 tile_gap = atoi(value);
8110                 break;
8111         case SWM_S_URGENT_ENABLED:
8112                 urgent_enabled = (atoi(value) != 0);
8113                 break;
8114         case SWM_S_VERBOSE_LAYOUT:
8115                 verbose_layout = (atoi(value) != 0);
8116                 for (i = 0; layouts[i].l_stack != NULL; i++) {
8117                         if (verbose_layout)
8118                                 layouts[i].l_string = fancy_stacker;
8119                         else
8120                                 layouts[i].l_string = plain_stacker;
8121                 }
8122                 break;
8123         case SWM_S_WARP_POINTER:
8124                 warp_pointer = (atoi(value) != 0);
8125                 break;
8126         case SWM_S_WINDOW_CLASS_ENABLED:
8127                 window_class_enabled = (atoi(value) != 0);
8128                 break;
8129         case SWM_S_WINDOW_INSTANCE_ENABLED:
8130                 window_instance_enabled = (atoi(value) != 0);
8131                 break;
8132         case SWM_S_WINDOW_NAME_ENABLED:
8133                 window_name_enabled = (atoi(value) != 0);
8134                 break;
8135         case SWM_S_WORKSPACE_LIMIT:
8136                 workspace_limit = atoi(value);
8137                 if (workspace_limit > SWM_WS_MAX)
8138                         workspace_limit = SWM_WS_MAX;
8139                 else if (workspace_limit < 1)
8140                         workspace_limit = 1;
8141
8142                 ewmh_update_desktops();
8143                 break;
8144         case SWM_S_WORKSPACE_NAME:
8145                 if (getenv("SWM_STARTED") != NULL)
8146                         return (0);
8147
8148                 bzero(s, sizeof s);
8149                 if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
8150                         errx(1, "invalid entry, should be 'ws[<idx>]:name'");
8151                 ws_id--;
8152                 if (ws_id < 0 || ws_id >= workspace_limit)
8153                         errx(1, "setconfvalue: workspace_name: invalid "
8154                             "workspace %d.", ws_id + 1);
8155
8156                 num_screens = get_screen_count();
8157                 for (i = 0; i < num_screens; ++i) {
8158                         ws = (struct workspace *)&screens[i].ws;
8159
8160                         if (strlen(s) > 0) {
8161                                 free(ws[ws_id].name);
8162                                 if ((ws[ws_id].name = strdup(s)) == NULL)
8163                                         err(1, "setconfvalue: workspace_name.");
8164
8165                                 ewmh_update_desktop_names();
8166                                 ewmh_get_desktop_names();
8167                         }
8168                 }
8169                 break;
8170         default:
8171                 return (1);
8172         }
8173         return (0);
8174 }
8175
8176 int
8177 setconfmodkey(const char *selector, const char *value, int flags)
8178 {
8179         /* suppress unused warnings since vars are needed */
8180         (void)selector;
8181         (void)flags;
8182
8183         if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
8184                 update_modkey(XCB_MOD_MASK_1);
8185         else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
8186                 update_modkey(XCB_MOD_MASK_2);
8187         else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
8188                 update_modkey(XCB_MOD_MASK_3);
8189         else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
8190                 update_modkey(XCB_MOD_MASK_4);
8191         else
8192                 return (1);
8193         return (0);
8194 }
8195
8196 int
8197 setconfcolor(const char *selector, const char *value, int flags)
8198 {
8199         int     first, last, i = 0, num_screens;
8200
8201         num_screens = get_screen_count();
8202
8203         /* conf screen indices begin at 1; treat vals <= 0 as 'all screens.' */
8204         if (selector == NULL || strlen(selector) == 0 ||
8205             (last = atoi(selector) - 1) < 0) {
8206                 first = 0;
8207                 last = num_screens - 1;
8208         } else {
8209                 first = last;
8210         }
8211
8212         if (last >= num_screens) {
8213                 add_startup_exception("invalid screen index: %d out of bounds "
8214                     "(maximum %d)", last + 1, num_screens);
8215                 return (1);
8216         }
8217
8218         for (i = first; i <= last; ++i) {
8219                 setscreencolor(value, i, flags);
8220
8221                 /*
8222                  * When setting focus/unfocus colors, we need to also
8223                  * set maximize colors to match if they haven't been customized.
8224                  */
8225                 if (flags == SWM_S_COLOR_FOCUS &&
8226                     !screens[i].c[SWM_S_COLOR_FOCUS_MAXIMIZED].manual)
8227                         setscreencolor(value, i, SWM_S_COLOR_FOCUS_MAXIMIZED);
8228                 else if (flags == SWM_S_COLOR_UNFOCUS &&
8229                     !screens[i].c[SWM_S_COLOR_UNFOCUS_MAXIMIZED].manual)
8230                         setscreencolor(value, i, SWM_S_COLOR_UNFOCUS_MAXIMIZED);
8231
8232                 screens[i].c[flags].manual = 1;
8233         }
8234
8235         return (0);
8236 }
8237
8238 int
8239 setconfregion(const char *selector, const char *value, int flags)
8240 {
8241         /* suppress unused warnings since vars are needed */
8242         (void)selector;
8243         (void)flags;
8244
8245         custom_region(value);
8246         return (0);
8247 }
8248
8249 int
8250 setautorun(const char *selector, const char *value, int flags)
8251 {
8252         int                     ws_id;
8253         char                    s[1024];
8254         char                    *ap, *sp;
8255         union arg               a;
8256         int                     argc = 0;
8257         pid_t                   pid;
8258         struct pid_e            *p;
8259
8260         /* suppress unused warnings since vars are needed */
8261         (void)selector;
8262         (void)flags;
8263
8264         if (getenv("SWM_STARTED"))
8265                 return (0);
8266
8267         bzero(s, sizeof s);
8268         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
8269                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
8270         ws_id--;
8271         if (ws_id < 0 || ws_id >= workspace_limit)
8272                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
8273
8274         sp = expand_tilde((char *)&s);
8275
8276         /*
8277          * This is a little intricate
8278          *
8279          * If the pid already exists we simply reuse it because it means it was
8280          * used before AND not claimed by manage_window.  We get away with
8281          * altering it in the parent after INSERT because this can not be a race
8282          */
8283         a.argv = NULL;
8284         while ((ap = strsep(&sp, " \t")) != NULL) {
8285                 if (*ap == '\0')
8286                         continue;
8287                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
8288                 argc++;
8289                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
8290                         err(1, "setautorun: realloc");
8291                 a.argv[argc - 1] = ap;
8292         }
8293         free(sp);
8294
8295         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
8296                 err(1, "setautorun: realloc");
8297         a.argv[argc] = NULL;
8298
8299         if ((pid = fork()) == 0) {
8300                 spawn(ws_id, &a, true);
8301                 /* NOTREACHED */
8302                 _exit(1);
8303         }
8304         free(a.argv);
8305
8306         /* parent */
8307         p = find_pid(pid);
8308         if (p == NULL) {
8309                 p = calloc(1, sizeof *p);
8310                 if (p == NULL)
8311                         return (1);
8312                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
8313         }
8314
8315         p->pid = pid;
8316         p->ws = ws_id;
8317
8318         return (0);
8319 }
8320
8321 int
8322 setlayout(const char *selector, const char *value, int flags)
8323 {
8324         struct workspace        *ws;
8325         int                     ws_id, i, x, mg, ma, si, ar;
8326         int                     st = SWM_V_STACK, num_screens;
8327         char                    s[1024];
8328         bool                    f = false;
8329
8330         /* suppress unused warnings since vars are needed */
8331         (void)selector;
8332         (void)flags;
8333
8334         if (getenv("SWM_STARTED"))
8335                 return (0);
8336
8337         bzero(s, sizeof s);
8338         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
8339             &ws_id, &mg, &ma, &si, &ar, s) != 6)
8340                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
8341                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
8342                     "<type>'");
8343         ws_id--;
8344         if (ws_id < 0 || ws_id >= workspace_limit)
8345                 errx(1, "layout: invalid workspace %d", ws_id + 1);
8346
8347         if (strcasecmp(s, "vertical") == 0)
8348                 st = SWM_V_STACK;
8349         else if (strcasecmp(s, "vertical_flip") == 0) {
8350                 st = SWM_V_STACK;
8351                 f = true;
8352         } else if (strcasecmp(s, "horizontal") == 0)
8353                 st = SWM_H_STACK;
8354         else if (strcasecmp(s, "horizontal_flip") == 0) {
8355                 st = SWM_H_STACK;
8356                 f = true;
8357         } else if (strcasecmp(s, "fullscreen") == 0)
8358                 st = SWM_MAX_STACK;
8359         else
8360                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
8361                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
8362                     "<type>'");
8363
8364         num_screens = get_screen_count();
8365         for (i = 0; i < num_screens; i++) {
8366                 ws = (struct workspace *)&screens[i].ws;
8367                 ws[ws_id].cur_layout = &layouts[st];
8368
8369                 ws[ws_id].always_raise = (ar != 0);
8370                 if (st == SWM_MAX_STACK)
8371                         continue;
8372
8373                 /* master grow */
8374                 for (x = 0; x < abs(mg); x++) {
8375                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
8376                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
8377                             SWM_ARG_ID_MASTERSHRINK);
8378                 }
8379                 /* master add */
8380                 for (x = 0; x < abs(ma); x++) {
8381                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
8382                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
8383                             SWM_ARG_ID_MASTERDEL);
8384                 }
8385                 /* stack inc */
8386                 for (x = 0; x < abs(si); x++) {
8387                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
8388                             si >= 0 ?  SWM_ARG_ID_STACKINC :
8389                             SWM_ARG_ID_STACKDEC);
8390                 }
8391                 /* Apply flip */
8392                 if (f) {
8393                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
8394                             SWM_ARG_ID_FLIPLAYOUT);
8395                 }
8396         }
8397
8398         return (0);
8399 }
8400
8401 /* config options */
8402 struct config_option {
8403         char                    *optname;
8404         int                     (*func)(const char*, const char*, int);
8405         int                     funcflags;
8406 };
8407 struct config_option configopt[] = {
8408         { "autorun",                    setautorun,     0 },
8409         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
8410         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
8411         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
8412         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
8413         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
8414         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
8415         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
8416         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
8417         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
8418         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
8419         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
8420         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
8421         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
8422         { "bind",                       setconfbinding, 0 },
8423         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
8424         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
8425         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
8426         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
8427         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
8428         { "color_focus_maximized",      setconfcolor,   SWM_S_COLOR_FOCUS_MAXIMIZED },
8429         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
8430         { "color_unfocus_maximized",    setconfcolor,   SWM_S_COLOR_UNFOCUS_MAXIMIZED },
8431         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
8432         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
8433         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
8434         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
8435         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
8436         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
8437         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
8438         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
8439         { "iconic_enabled",             setconfvalue,   SWM_S_ICONIC_ENABLED },
8440         { "java_workaround",            setconfvalue,   SWM_S_JAVA_WORKAROUND },
8441         { "keyboard_mapping",           setkeymapping,  0 },
8442         { "layout",                     setlayout,      0 },
8443         { "modkey",                     setconfmodkey,  0 },
8444         { "program",                    setconfspawn,   0 },
8445         { "quirk",                      setconfquirk,   0 },
8446         { "region",                     setconfregion,  0 },
8447         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
8448         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
8449         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
8450         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
8451         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
8452         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
8453         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
8454         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
8455         { "title_class_enabled",        setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED }, /* For backwards compat. */
8456         { "title_name_enabled",         setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED }, /* For backwards compat. */
8457         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
8458         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
8459         { "warp_pointer",               setconfvalue,   SWM_S_WARP_POINTER },
8460         { "window_class_enabled",       setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED },
8461         { "window_instance_enabled",    setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED },
8462         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
8463         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
8464         { "name",                       setconfvalue,   SWM_S_WORKSPACE_NAME },
8465 };
8466
8467 void
8468 _add_startup_exception(const char *fmt, va_list ap)
8469 {
8470         if (vasprintf(&startup_exception, fmt, ap) == -1)
8471                 warn("%s: asprintf", __func__);
8472 }
8473
8474 void
8475 add_startup_exception(const char *fmt, ...)
8476 {
8477         va_list ap;
8478
8479         nr_exceptions++;
8480
8481         if (startup_exception)
8482                 return;
8483
8484         /* force bar to be enabled due to exception */
8485         bar_enabled = true;
8486
8487         va_start(ap, fmt);
8488         _add_startup_exception(fmt, ap);
8489         va_end(ap);
8490 }
8491
8492 int
8493 conf_load(const char *filename, int keymapping)
8494 {
8495         FILE                    *config;
8496         char                    *line = NULL, *cp, *ce, *optsub, *optval = NULL;
8497         size_t                  linelen, lineno = 0;
8498         int                     wordlen, i, optidx, count;
8499         struct config_option    *opt = NULL;
8500
8501         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
8502
8503         if (filename == NULL) {
8504                 warnx("conf_load: no filename");
8505                 return (1);
8506         }
8507
8508         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
8509
8510         if ((config = fopen(filename, "r")) == NULL) {
8511                 warn("conf_load: fopen: %s", filename);
8512                 return (1);
8513         }
8514
8515         while (!feof(config)) {
8516                 if (line)
8517                         free(line);
8518
8519                 if ((line = fparseln(config, &linelen, &lineno, NULL,
8520                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
8521                         if (ferror(config))
8522                                 err(1, "%s", filename);
8523                         else
8524                                 continue;
8525                 }
8526                 cp = line;
8527                 cp += strspn(cp, " \t\n"); /* eat whitespace */
8528                 if (cp[0] == '\0') {
8529                         /* empty line */
8530                         continue;
8531                 }
8532                 /* get config option */
8533                 wordlen = strcspn(cp, "=[ \t\n");
8534                 if (wordlen == 0) {
8535                         add_startup_exception("%s: line %zd: no option found",
8536                             filename, lineno);
8537                         continue;
8538                 }
8539                 optidx = -1;
8540                 for (i = 0; i < LENGTH(configopt); i++) {
8541                         opt = &configopt[i];
8542                         if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
8543                             (int)strlen(opt->optname) == wordlen) {
8544                                 optidx = i;
8545                                 break;
8546                         }
8547                 }
8548                 if (optidx == -1) {
8549                         add_startup_exception("%s: line %zd: unknown option "
8550                             "%.*s", filename, lineno, wordlen, cp);
8551                         continue;
8552                 }
8553                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
8554                         add_startup_exception("%s: line %zd: invalid option "
8555                             "%.*s", filename, lineno, wordlen, cp);
8556                         continue;
8557                 }
8558                 cp += wordlen;
8559                 cp += strspn(cp, " \t\n"); /* eat whitespace */
8560
8561                 /* get [selector] if any */
8562                 optsub = NULL;
8563                 count = 0;
8564                 if (*cp == '[') {
8565                         ++count;
8566                         /* Get length of selector. */
8567                         for (ce = ++cp; *ce != '\0'; ++ce) {
8568                                 /* Find matching (not escaped) bracket. */
8569                                 if (*ce == ']' && *(ce - 1) != '\\') {
8570                                         --count;
8571                                         break;
8572                                 }
8573                         }
8574
8575                         if (count > 0) {
8576                                 add_startup_exception("%s: line %zd: syntax "
8577                                     "error: unterminated selector", filename,
8578                                     lineno);
8579                                 continue;
8580                         }
8581
8582                         /* ce points at ']'; terminate optsub. */
8583                         *ce = '\0';
8584                         optsub = cp;
8585                         cp = ce + 1;
8586                 }
8587                 cp += strspn(cp, "= \t\n"); /* eat trailing */
8588                 /* get RHS value */
8589                 optval = cp;
8590                 if (strlen(optval) == 0) {
8591                         add_startup_exception("%s: line %zd: must supply value "
8592                             "to %s", filename, lineno,
8593                             configopt[optidx].optname);
8594                         continue;
8595                 }
8596                 /* call function to deal with it all */
8597                 if (configopt[optidx].func(optsub, optval,
8598                     configopt[optidx].funcflags) != 0) {
8599                         add_startup_exception("%s: line %zd: invalid data for "
8600                             "%s", filename, lineno, configopt[optidx].optname);
8601                         continue;
8602                 }
8603         }
8604
8605         if (line)
8606                 free(line);
8607         fclose(config);
8608         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
8609
8610         return (0);
8611 }
8612
8613 void
8614 set_child_transient(struct ws_win *win, xcb_window_t *trans)
8615 {
8616         struct ws_win           *parent, *w;
8617         struct swm_region       *r;
8618         struct workspace        *ws;
8619         xcb_icccm_wm_hints_t    wmh;
8620
8621         parent = find_window(win->transient);
8622         if (parent)
8623                 parent->focus_child = win;
8624         else {
8625                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
8626                     " for %#x trans %#x\n", win->id, win->transient);
8627
8628                 r = root_to_region(win->s->root, SWM_CK_ALL);
8629                 ws = r->ws;
8630                 /* parent doen't exist in our window list */
8631                 TAILQ_FOREACH(w, &ws->winlist, entry) {
8632                         if (xcb_icccm_get_wm_hints_reply(conn,
8633                             xcb_icccm_get_wm_hints(conn, w->id),
8634                             &wmh, NULL) != 1) {
8635                                 warnx("can't get hints for %#x", w->id);
8636                                 continue;
8637                         }
8638
8639                         if (win->hints.window_group != wmh.window_group)
8640                                 continue;
8641
8642                         w->focus_child = win;
8643                         win->transient = w->id;
8644                         *trans = w->id;
8645                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
8646                             "transient to %#x\n", win->transient);
8647                         break;
8648                 }
8649         }
8650 }
8651
8652 pid_t
8653 window_get_pid(xcb_window_t win)
8654 {
8655         pid_t                           ret = 0;
8656         const char                      *errstr;
8657         xcb_atom_t                      apid;
8658         xcb_get_property_cookie_t       pc;
8659         xcb_get_property_reply_t        *pr;
8660
8661         apid = get_atom_from_string("_NET_WM_PID");
8662         if (apid == XCB_ATOM_NONE)
8663                 goto tryharder;
8664
8665         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
8666         pr = xcb_get_property_reply(conn, pc, NULL);
8667         if (pr == NULL)
8668                 goto tryharder;
8669         if (pr->type != XCB_ATOM_CARDINAL) {
8670                 free(pr);
8671                 goto tryharder;
8672         }
8673
8674         if (pr->type == apid && pr->format == 32)
8675                 ret = *((pid_t *)xcb_get_property_value(pr));
8676         free(pr);
8677
8678         return (ret);
8679
8680 tryharder:
8681         apid = get_atom_from_string("_SWM_PID");
8682         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
8683             0, SWM_PROPLEN);
8684         pr = xcb_get_property_reply(conn, pc, NULL);
8685         if (pr == NULL)
8686                 return (0);
8687         if (pr->type != apid) {
8688                 free(pr);
8689                 return (0);
8690         }
8691
8692         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
8693         free(pr);
8694
8695         return (ret);
8696 }
8697
8698 int
8699 get_swm_ws(xcb_window_t id)
8700 {
8701         int                     ws_idx = -1;
8702         char                    *prop = NULL;
8703         size_t                  proplen;
8704         const char              *errstr;
8705         xcb_get_property_reply_t        *gpr;
8706
8707         gpr = xcb_get_property_reply(conn,
8708                 xcb_get_property(conn, 0, id, a_swm_ws,
8709                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
8710                 NULL);
8711         if (gpr == NULL)
8712                 return (-1);
8713         if (gpr->type) {
8714                 proplen = xcb_get_property_value_length(gpr);
8715                 if (proplen > 0) {
8716                         prop = malloc(proplen + 1);
8717                         if (prop) {
8718                                 memcpy(prop,
8719                                     xcb_get_property_value(gpr),
8720                                     proplen);
8721                                 prop[proplen] = '\0';
8722                         }
8723                 }
8724         }
8725         free(gpr);
8726
8727         if (prop) {
8728                 DNPRINTF(SWM_D_PROP, "get_swm_ws: _SWM_WS: %s\n", prop);
8729                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
8730                 if (errstr) {
8731                         DNPRINTF(SWM_D_PROP, "get_swm_ws: win #%s: %s",
8732                             errstr, prop);
8733                 }
8734                 free(prop);
8735         }
8736
8737         return ws_idx;
8738 }
8739
8740 int
8741 get_ws_idx(struct ws_win *win)
8742 {
8743         xcb_get_property_reply_t        *gpr;
8744         int                     ws_idx = -1;
8745
8746         if (win == NULL)
8747                 return -1;
8748
8749         gpr = xcb_get_property_reply(conn,
8750                 xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_DESKTOP].atom,
8751                     XCB_ATOM_CARDINAL, 0, 1),
8752                 NULL);
8753         if (gpr) {
8754                 if (gpr->type == XCB_ATOM_CARDINAL && gpr->format == 32)
8755                         ws_idx = *((int *)xcb_get_property_value(gpr));
8756                 free(gpr);
8757         }
8758
8759         if (ws_idx == -1 && !(win->quirks & SWM_Q_IGNORESPAWNWS))
8760                 ws_idx = get_swm_ws(win->id);
8761
8762         if (ws_idx > workspace_limit - 1 || ws_idx < -1)
8763                 ws_idx = -1;
8764
8765         DNPRINTF(SWM_D_PROP, "get_ws_idx: win %#x, ws_idx: %d\n", win->id,
8766             ws_idx);
8767
8768         return ws_idx;
8769 }
8770
8771 struct ws_win *
8772 manage_window(xcb_window_t id, int spawn_pos, bool mapped)
8773 {
8774         struct ws_win           *win, *ww;
8775         struct swm_region       *r;
8776         struct pid_e            *p;
8777         struct quirk            *qp;
8778         xcb_get_geometry_reply_t        *gr;
8779         xcb_window_t            trans = XCB_WINDOW_NONE;
8780         uint32_t                i, wa[2], new_flags;
8781         int                     ws_idx, force_ws = -1;
8782         char                    *class, *instance, *name;
8783
8784         if ((win = find_window(id)) != NULL) {
8785                 DNPRINTF(SWM_D_MISC, "manage_window: win %#x already "
8786                     "managed; skipping.)\n", id);
8787                 return (win);   /* Already managed. */
8788         }
8789
8790         /* See if window is on the unmanaged list. */
8791         if ((win = find_unmanaged_window(id)) != NULL) {
8792                 DNPRINTF(SWM_D_MISC, "manage_window: win %#x found on "
8793                     "unmanaged list.\n", id);
8794                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8795
8796                 if (TRANS(win))
8797                         set_child_transient(win, &trans);
8798
8799                 goto out;
8800         } else {
8801                 DNPRINTF(SWM_D_MISC, "manage_window: win %#x is new.\n", id);
8802         }
8803
8804         /* Try to get initial window geometry. */
8805         gr = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, id), NULL);
8806         if (gr == NULL) {
8807                 DNPRINTF(SWM_D_MISC, "manage_window: get geometry failed.\n");
8808                 return (NULL);
8809         }
8810
8811         /* Create and initialize ws_win object. */
8812         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
8813                 err(1, "manage_window: calloc: failed to allocate memory for "
8814                     "new window");
8815
8816         win->id = id;
8817
8818         /* Figureout which region the window belongs to. */
8819         r = root_to_region(gr->root, SWM_CK_ALL);
8820
8821         /* Ignore window border if there is one. */
8822         WIDTH(win) = gr->width;
8823         HEIGHT(win) = gr->height;
8824         X(win) = gr->x + gr->border_width - border_width;
8825         Y(win) = gr->y + gr->border_width - border_width;
8826         win->bordered = true;
8827         win->mapped = mapped;
8828         win->s = r->s;  /* this never changes */
8829
8830         free(gr);
8831
8832         /* Select which X events to monitor and set border pixel color. */
8833         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
8834         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
8835             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
8836 #ifdef SWM_DEBUG
8837         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
8838 #endif
8839
8840         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
8841             XCB_CW_EVENT_MASK, wa);
8842
8843         /* Get WM_SIZE_HINTS. */
8844         xcb_icccm_get_wm_normal_hints_reply(conn,
8845             xcb_icccm_get_wm_normal_hints(conn, win->id),
8846             &win->sh, NULL);
8847
8848         /* Get WM_HINTS. */
8849         xcb_icccm_get_wm_hints_reply(conn,
8850             xcb_icccm_get_wm_hints(conn, win->id),
8851             &win->hints, NULL);
8852
8853         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
8854         xcb_icccm_get_wm_transient_for_reply(conn,
8855             xcb_icccm_get_wm_transient_for(conn, win->id),
8856             &trans, NULL);
8857         if (trans) {
8858                 win->transient = trans;
8859                 set_child_transient(win, &win->transient);
8860         }
8861
8862         /* Get WM_PROTOCOLS. */
8863         get_wm_protocols(win);
8864
8865         /* Set initial quirks based on EWMH. */
8866         ewmh_autoquirk(win);
8867
8868         /* Determine initial quirks. */
8869         xcb_icccm_get_wm_class_reply(conn,
8870             xcb_icccm_get_wm_class(conn, win->id),
8871             &win->ch, NULL);
8872
8873         class = win->ch.class_name ? win->ch.class_name : "";
8874         instance = win->ch.instance_name ? win->ch.instance_name : "";
8875         name = get_win_name(win->id);
8876
8877         DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, instance: %s, "
8878             "name: %s\n", class, instance, name);
8879
8880         /* java is retarded so treat it special */
8881         if (strstr(instance, "sun-awt")) {
8882                 DNPRINTF(SWM_D_CLASS, "manage_window: java window detected.\n");
8883                 win->java = true;
8884         }
8885
8886         TAILQ_FOREACH(qp, &quirks, entry) {
8887                 if (regexec(&qp->regex_class, class, 0, NULL, 0) == 0 &&
8888                     regexec(&qp->regex_instance, instance, 0, NULL, 0) == 0 &&
8889                     regexec(&qp->regex_name, name, 0, NULL, 0) == 0) {
8890                         DNPRINTF(SWM_D_CLASS, "manage_window: matched "
8891                             "quirk: %s:%s:%s mask: %#x, ws: %d\n", qp->class,
8892                             qp->instance, qp->name, qp->quirk, qp->ws);
8893                         win->quirks = qp->quirk;
8894                         if (qp->ws >= 0 && qp->ws < workspace_limit)
8895                                 force_ws = qp->ws;
8896                 }
8897         }
8898
8899         free(name);
8900
8901         /* Reset font sizes (the bruteforce way; no default keybinding). */
8902         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
8903                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8904                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
8905                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8906                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
8907         }
8908
8909         /* Figure out which workspace the window belongs to. */
8910         if (!(win->quirks & SWM_Q_IGNOREPID) &&
8911             (p = find_pid(window_get_pid(win->id))) != NULL) {
8912                 win->ws = &r->s->ws[p->ws];
8913                 TAILQ_REMOVE(&pidlist, p, entry);
8914                 free(p);
8915                 p = NULL;
8916         } else if ((ws_idx = get_ws_idx(win)) != -1 &&
8917             !TRANS(win)) {
8918                 /* _SWM_WS is set; use that. */
8919                 win->ws = &r->s->ws[ws_idx];
8920         } else if (trans && (ww = find_window(trans)) != NULL) {
8921                 /* Launch transients in the same ws as parent. */
8922                 win->ws = ww->ws;
8923         } else {
8924                 win->ws = r->ws;
8925         }
8926
8927         if (force_ws != -1)
8928                 win->ws = &r->s->ws[force_ws];
8929
8930         /* Set the _NET_WM_DESKTOP atom. */
8931         DNPRINTF(SWM_D_PROP, "manage_window: set _NET_WM_DESKTOP: %d\n",
8932             win->ws->idx);
8933         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
8934             ewmh[_NET_WM_DESKTOP].atom, XCB_ATOM_CARDINAL, 32, 1, &win->ws->idx);
8935
8936         /* Remove any _SWM_WS now that we set _NET_WM_DESKTOP. */
8937         xcb_delete_property(conn, win->id, a_swm_ws);
8938
8939         /* WS must already be set for this to work. */
8940         store_float_geom(win);
8941
8942         /* Make sure window is positioned inside its region, if its active. */
8943         if (win->ws->r) {
8944                 region_containment(win, r, SWM_CW_ALLSIDES |
8945                     SWM_CW_HARDBOUNDARY);
8946                 update_window(win);
8947         }
8948
8949 out:
8950         /* Figure out where to stack the window in the workspace. */
8951         if (trans && (ww = find_window(trans)))
8952                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
8953         else if (win->ws->focus && spawn_pos == SWM_STACK_ABOVE)
8954                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8955                     entry);
8956         else if (win->ws->focus && spawn_pos == SWM_STACK_BELOW)
8957                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8958         else switch (spawn_pos) {
8959         default:
8960         case SWM_STACK_TOP:
8961         case SWM_STACK_ABOVE:
8962                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8963                 break;
8964         case SWM_STACK_BOTTOM:
8965         case SWM_STACK_BELOW:
8966                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8967         }
8968
8969         ewmh_update_client_list();
8970
8971         TAILQ_INSERT_TAIL(&win->ws->stack, win, stack_entry);
8972
8973         /* Get/apply initial _NET_WM_STATE */
8974         ewmh_get_wm_state(win);
8975
8976         /* Apply quirks. */
8977         new_flags = win->ewmh_flags;
8978
8979         if (win->quirks & SWM_Q_FLOAT)
8980                 new_flags |= EWMH_F_ABOVE;
8981
8982         if (win->quirks & SWM_Q_ANYWHERE)
8983                 new_flags |= SWM_F_MANUAL;
8984
8985         ewmh_apply_flags(win, new_flags);
8986         ewmh_update_wm_state(win);
8987
8988         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8989         ewmh_update_actions(win);
8990
8991         grabbuttons(win);
8992
8993         DNPRINTF(SWM_D_MISC, "manage_window: done. win %#x, (x,y) w x h: "
8994             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: %#x\n", win->id,
8995             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8996             YESNO(ICONIC(win)), win->transient);
8997
8998         return (win);
8999 }
9000
9001 void
9002 free_window(struct ws_win *win)
9003 {
9004         DNPRINTF(SWM_D_MISC, "free_window: win %#x\n", win->id);
9005
9006         if (win == NULL)
9007                 return;
9008
9009         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
9010
9011         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
9012
9013         kill_refs(win);
9014
9015         /* paint memory */
9016         memset(win, 0xff, sizeof *win); /* XXX kill later */
9017
9018         free(win);
9019         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
9020 }
9021
9022 void
9023 unmanage_window(struct ws_win *win)
9024 {
9025         struct ws_win           *parent;
9026
9027         if (win == NULL)
9028                 return;
9029
9030         DNPRINTF(SWM_D_MISC, "unmanage_window: win %#x\n", win->id);
9031
9032         if (TRANS(win)) {
9033                 parent = find_window(win->transient);
9034                 if (parent)
9035                         parent->focus_child = NULL;
9036         }
9037
9038         TAILQ_REMOVE(&win->ws->stack, win, stack_entry);
9039         TAILQ_REMOVE(&win->ws->winlist, win, entry);
9040         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
9041
9042         ewmh_update_client_list();
9043 }
9044
9045 void
9046 expose(xcb_expose_event_t *e)
9047 {
9048         int                     i, num_screens;
9049         struct swm_region       *r;
9050
9051         DNPRINTF(SWM_D_EVENT, "expose: win %#x\n", e->window);
9052
9053         num_screens = get_screen_count();
9054         for (i = 0; i < num_screens; i++)
9055                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9056                         if (e->window == WINID(r->bar))
9057                                 bar_draw();
9058
9059         xcb_flush(conn);
9060 }
9061
9062 #ifdef SWM_DEBUG
9063 void
9064 focusin(xcb_focus_in_event_t *e)
9065 {
9066         DNPRINTF(SWM_D_EVENT, "focusin: win %#x, mode: %s(%u), "
9067             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
9068             e->mode, get_notify_detail_label(e->detail), e->detail);
9069 }
9070
9071 void
9072 focusout(xcb_focus_out_event_t *e)
9073 {
9074         DNPRINTF(SWM_D_EVENT, "focusout: win %#x, mode: %s(%u), "
9075             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
9076             e->mode, get_notify_detail_label(e->detail), e->detail);
9077 }
9078 #endif
9079
9080 void
9081 keypress(xcb_key_press_event_t *e)
9082 {
9083         xcb_keysym_t            keysym;
9084         struct key              *kp;
9085
9086         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
9087
9088         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): %#x (%d,%d), "
9089             "detail: %u, time: %u, root (x,y): %#x (%d,%d), child: %#x, "
9090             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
9091             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
9092             e->child, e->state, YESNO(e->same_screen));
9093
9094         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
9095                 goto out;
9096
9097         last_event_time = e->time;
9098
9099         if (kp->funcid == KF_SPAWN_CUSTOM)
9100                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
9101                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
9102         else if (keyfuncs[kp->funcid].func)
9103                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
9104                     &(keyfuncs[kp->funcid].args));
9105
9106 out:
9107         /* Unfreeze grab events. */
9108         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
9109         xcb_flush(conn);
9110
9111         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
9112 }
9113
9114 void
9115 buttonpress(xcb_button_press_event_t *e)
9116 {
9117         struct ws_win           *win = NULL;
9118         struct swm_region       *r, *old_r;
9119         int                     i;
9120         bool                    handled = false;
9121
9122         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): %#x (%d,%d), "
9123             "detail: %u, time: %u, root (x,y): %#x (%d,%d), child: %#x, "
9124             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
9125             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
9126             e->state, YESNO(e->same_screen));
9127
9128         if (e->event == e->root) {
9129                 if (e->child != 0) {
9130                         win = find_window(e->child);
9131                         /* Pass ButtonPress to window if it isn't managed. */
9132                         if (win == NULL)
9133                                 goto out;
9134                 } else {
9135                         /* Focus on empty region */
9136                         /* If no windows on region if its empty. */
9137                         r = root_to_region(e->root, SWM_CK_POINTER);
9138                         if (r == NULL) {
9139                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
9140                                     "NULL region; ignoring.\n");
9141                                 goto out;
9142                         }
9143
9144                         if (TAILQ_EMPTY(&r->ws->winlist)) {
9145                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
9146                                 if (old_r && old_r != r)
9147                                         unfocus_win(old_r->ws->focus);
9148
9149                                 xcb_set_input_focus(conn,
9150                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
9151
9152                                 /* Clear bar since empty. */
9153                                 bar_draw();
9154
9155                                 handled = true;
9156                                 goto out;
9157                         }
9158                 }
9159         } else {
9160                 win = find_window(e->event);
9161         }
9162
9163         if (win == NULL)
9164                 goto out;
9165
9166         last_event_time = e->time;
9167
9168         focus_win(get_focus_magic(win));
9169
9170         for (i = 0; i < LENGTH(buttons); i++)
9171                 if (client_click == buttons[i].action && buttons[i].func &&
9172                     buttons[i].button == e->detail &&
9173                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
9174                         buttons[i].func(win, &buttons[i].args);
9175                         handled = true;
9176                 }
9177
9178 out:
9179         if (!handled) {
9180                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
9181                 /* Replay event to event window */
9182                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
9183         } else {
9184                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
9185                 /* Unfreeze grab events. */
9186                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
9187         }
9188
9189         xcb_flush(conn);
9190 }
9191
9192 #ifdef SWM_DEBUG
9193 void
9194 print_win_geom(xcb_window_t w)
9195 {
9196         xcb_get_geometry_reply_t        *wa;
9197
9198         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
9199         if (wa == NULL) {
9200                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: %#x\n",
9201                     w);
9202                 return;
9203         }
9204
9205         DNPRINTF(SWM_D_MISC, "print_win_geom: win %#x, root: %#x, "
9206             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
9207             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
9208             wa->border_width);
9209
9210         free(wa);
9211 }
9212 #endif
9213
9214 #ifdef SWM_DEBUG
9215 char *
9216 get_stack_mode_name(uint8_t mode)
9217 {
9218         char    *name;
9219
9220         switch(mode) {
9221         case XCB_STACK_MODE_ABOVE:
9222                 name = "Above";
9223                 break;
9224         case XCB_STACK_MODE_BELOW:
9225                 name = "Below";
9226                 break;
9227         case XCB_STACK_MODE_TOP_IF:
9228                 name = "TopIf";
9229                 break;
9230         case XCB_STACK_MODE_BOTTOM_IF:
9231                 name = "BottomIf";
9232                 break;
9233         case XCB_STACK_MODE_OPPOSITE:
9234                 name = "Opposite";
9235                 break;
9236         default:
9237                 name = "Unknown";
9238         }
9239
9240         return name;
9241 }
9242 #endif
9243
9244 void
9245 configurerequest(xcb_configure_request_event_t *e)
9246 {
9247         struct ws_win           *win;
9248         struct swm_region       *r = NULL;
9249         int                     i = 0;
9250         uint32_t                wc[7] = {0};
9251         uint16_t                mask = 0;
9252         bool                    new = false;
9253
9254         if ((win = find_window(e->window)) == NULL)
9255                 if ((win = find_unmanaged_window(e->window)) == NULL)
9256                         new = true;
9257
9258 #ifdef SWM_DEBUG
9259         if (swm_debug & SWM_D_EVENT) {
9260                 print_win_geom(e->window);
9261
9262                 DNPRINTF(SWM_D_EVENT, "configurerequest: win %#x, "
9263                     "parent: %#x, new: %s, value_mask: %u { ", e->window,
9264                     e->parent, YESNO(new), e->value_mask);
9265                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
9266                         DPRINTF("X: %d ", e->x);
9267                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
9268                         DPRINTF("Y: %d ", e->y);
9269                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
9270                         DPRINTF("W: %u ", e->width);
9271                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
9272                         DPRINTF("H: %u ", e->height);
9273                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
9274                         DPRINTF("Border: %u ", e->border_width);
9275                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
9276                         DPRINTF("Sibling: %#x ", e->sibling);
9277                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
9278                         DPRINTF("StackMode: %s(%u) ",
9279                             get_stack_mode_name(e->stack_mode), e->stack_mode);
9280                 DPRINTF("}\n");
9281         }
9282 #endif
9283
9284         if (new) {
9285                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
9286                         mask |= XCB_CONFIG_WINDOW_X;
9287                         wc[i++] = e->x;
9288                 }
9289                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
9290                         mask |= XCB_CONFIG_WINDOW_Y;
9291                         wc[i++] = e->y;
9292                 }
9293                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
9294                         mask |= XCB_CONFIG_WINDOW_WIDTH;
9295                         wc[i++] = e->width;
9296                 }
9297                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
9298                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
9299                         wc[i++] = e->height;
9300                 }
9301                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
9302                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
9303                         wc[i++] = e->border_width;
9304                 }
9305                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
9306                         mask |= XCB_CONFIG_WINDOW_SIBLING;
9307                         wc[i++] = e->sibling;
9308                 }
9309                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
9310                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
9311                         wc[i++] = e->stack_mode;
9312                 }
9313
9314                 if (mask != 0) {
9315                         xcb_configure_window(conn, e->window, mask, wc);
9316                         xcb_flush(conn);
9317                 }
9318         } else if ((!MANUAL(win) || win->quirks & SWM_Q_ANYWHERE) &&
9319             !FULLSCREEN(win) && !MAXIMIZED(win)) {
9320                 if (win->ws->r)
9321                         r = win->ws->r;
9322                 else if (win->ws->old_r)
9323                         r = win->ws->old_r;
9324
9325                 /* windows are centered unless ANYWHERE quirk is set. */
9326                 if (win->quirks & SWM_Q_ANYWHERE) {
9327                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
9328                                 win->g_float.x = e->x;
9329                                 if (r)
9330                                         win->g_float.x -= X(r);
9331                         }
9332
9333                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
9334                                 win->g_float.y = e->y;
9335                                 if (r)
9336                                         win->g_float.y -= Y(r);
9337                         }
9338                 }
9339
9340                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
9341                         win->g_float.w = e->width;
9342
9343                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
9344                         win->g_float.h = e->height;
9345
9346                 win->g_floatvalid = true;
9347
9348                 if (!MAXIMIZED(win) && !FULLSCREEN(win) &&
9349                     (TRANS(win) || (ABOVE(win) &&
9350                     win->ws->cur_layout != &layouts[SWM_MAX_STACK]))) {
9351                         WIDTH(win) = win->g_float.w;
9352                         HEIGHT(win) = win->g_float.h;
9353
9354                         if (r != NULL) {
9355                                 update_floater(win);
9356                                 focus_flush();
9357                         } else {
9358                                 config_win(win, e);
9359                                 xcb_flush(conn);
9360                         }
9361                 } else {
9362                         config_win(win, e);
9363                         xcb_flush(conn);
9364                 }
9365         } else {
9366                 config_win(win, e);
9367                 xcb_flush(conn);
9368         }
9369
9370         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
9371 }
9372
9373 void
9374 configurenotify(xcb_configure_notify_event_t *e)
9375 {
9376         struct ws_win           *win;
9377
9378         DNPRINTF(SWM_D_EVENT, "configurenotify: win %#x, event win: %#x, "
9379             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: %#x, "
9380             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
9381             e->width, e->height, e->border_width, e->above_sibling,
9382             YESNO(e->override_redirect));
9383
9384         win = find_window(e->window);
9385         if (win) {
9386                 xcb_icccm_get_wm_normal_hints_reply(conn,
9387                     xcb_icccm_get_wm_normal_hints(conn, win->id),
9388                     &win->sh, NULL);
9389                 adjust_font(win);
9390                 if (font_adjusted) {
9391                         stack();
9392                         xcb_flush(conn);
9393                 }
9394         }
9395 }
9396
9397 void
9398 destroynotify(xcb_destroy_notify_event_t *e)
9399 {
9400         struct ws_win           *win;
9401
9402         DNPRINTF(SWM_D_EVENT, "destroynotify: win %#x\n", e->window);
9403
9404         if ((win = find_window(e->window)) == NULL) {
9405                 if ((win = find_unmanaged_window(e->window)) == NULL)
9406                         return;
9407                 free_window(win);
9408                 return;
9409         }
9410
9411         if (focus_mode != SWM_FOCUS_FOLLOW) {
9412                 /* If we were focused, make sure we focus on something else. */
9413                 if (win == win->ws->focus)
9414                         win->ws->focus_pending = get_focus_prev(win);
9415         }
9416
9417         unmanage_window(win);
9418         stack();
9419
9420         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
9421                 if (win->ws->focus_pending) {
9422                         focus_win(win->ws->focus_pending);
9423                         win->ws->focus_pending = NULL;
9424                 } else if (win == win->ws->focus) {
9425                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
9426                             win->ws->r->id, XCB_CURRENT_TIME);
9427                 }
9428         }
9429
9430         free_window(win);
9431
9432         focus_flush();
9433 }
9434
9435 #ifdef SWM_DEBUG
9436 char *
9437 get_notify_detail_label(uint8_t detail)
9438 {
9439         char *label;
9440
9441         switch (detail) {
9442         case XCB_NOTIFY_DETAIL_ANCESTOR:
9443                 label = "Ancestor";
9444                 break;
9445         case XCB_NOTIFY_DETAIL_VIRTUAL:
9446                 label = "Virtual";
9447                 break;
9448         case XCB_NOTIFY_DETAIL_INFERIOR:
9449                 label = "Inferior";
9450                 break;
9451         case XCB_NOTIFY_DETAIL_NONLINEAR:
9452                 label = "Nonlinear";
9453                 break;
9454         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
9455                 label = "NonlinearVirtual";
9456                 break;
9457         case XCB_NOTIFY_DETAIL_POINTER:
9458                 label = "Pointer";
9459                 break;
9460         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
9461                 label = "PointerRoot";
9462                 break;
9463         case XCB_NOTIFY_DETAIL_NONE:
9464                 label = "None";
9465                 break;
9466         default:
9467                 label = "Unknown";
9468         }
9469
9470         return label;
9471 }
9472
9473 char *
9474 get_notify_mode_label(uint8_t mode)
9475 {
9476         char *label;
9477
9478         switch (mode) {
9479         case XCB_NOTIFY_MODE_NORMAL:
9480                 label = "Normal";
9481                 break;
9482         case XCB_NOTIFY_MODE_GRAB:
9483                 label = "Grab";
9484                 break;
9485         case XCB_NOTIFY_MODE_UNGRAB:
9486                 label = "Ungrab";
9487                 break;
9488         case XCB_NOTIFY_MODE_WHILE_GRABBED:
9489                 label = "WhileGrabbed";
9490                 break;
9491         default:
9492                 label = "Unknown";
9493         }
9494
9495         return label;
9496 }
9497 #endif
9498
9499 void
9500 enternotify(xcb_enter_notify_event_t *e)
9501 {
9502         struct ws_win           *win;
9503         struct swm_region       *r;
9504
9505         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): %#x "
9506             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): %#x (%d,%d), "
9507             "child: %#x, same_screen_focus: %s, state: %d\n",
9508             e->time, e->event, e->event_x, e->event_y,
9509             get_notify_mode_label(e->mode), e->mode,
9510             get_notify_detail_label(e->detail), e->detail,
9511             e->root, e->root_x, e->root_y, e->child,
9512             YESNO(e->same_screen_focus), e->state);
9513
9514         if (focus_mode == SWM_FOCUS_MANUAL &&
9515             e->mode == XCB_NOTIFY_MODE_NORMAL) {
9516                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
9517                 return;
9518         }
9519
9520         last_event_time = e->time;
9521
9522         if ((win = find_window(e->event)) == NULL) {
9523                 if (e->event == e->root) {
9524                         /* If no windows on pointer region, then focus root. */
9525                         r = root_to_region(e->root, SWM_CK_POINTER);
9526                         if (r == NULL) {
9527                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
9528                                     "NULL region; ignoring.\n");
9529                                 return;
9530                         }
9531
9532                         focus_region(r);
9533                 } else {
9534                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
9535                             "ignoring\n");
9536                         return;
9537                 }
9538         } else {
9539                 if (e->mode == XCB_NOTIFY_MODE_NORMAL &&
9540                     e->detail == XCB_NOTIFY_DETAIL_INFERIOR) {
9541                         DNPRINTF(SWM_D_EVENT, "enternotify: entering from "
9542                             "inferior; ignoring\n");
9543                         return;
9544                 }
9545
9546                 focus_win(get_focus_magic(win));
9547         }
9548
9549         xcb_flush(conn);
9550 }
9551
9552 #ifdef SWM_DEBUG
9553 void
9554 leavenotify(xcb_leave_notify_event_t *e)
9555 {
9556         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): %#x "
9557             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): %#x (%d,%d), "
9558             "child: %#x, same_screen_focus: %s, state: %d\n",
9559             e->time, e->event, e->event_x, e->event_y,
9560             get_notify_mode_label(e->mode), e->mode,
9561             get_notify_detail_label(e->detail), e->detail,
9562             e->root, e->root_x, e->root_y, e->child,
9563             YESNO(e->same_screen_focus), e->state);
9564 }
9565 #endif
9566
9567 void
9568 mapnotify(xcb_map_notify_event_t *e)
9569 {
9570         struct ws_win           *win, *parent = NULL;
9571         struct workspace        *ws;
9572
9573         DNPRINTF(SWM_D_EVENT, "mapnotify: win %#x\n", e->window);
9574
9575         if ((win = manage_window(e->window, spawn_position, true)) == NULL)
9576                 return;
9577         ws = win->ws;
9578
9579         /* Need to know if win was mapped due to ws switch. */
9580         if (ws->state == SWM_WS_STATE_MAPPED) {
9581                 if (ws->focus_pending && TRANS(ws->focus_pending))
9582                         parent = find_window(win->transient);
9583
9584                 /* If window's parent is maximized, don't clear it. */
9585                 if ((parent == NULL) || !MAXIMIZED(parent))
9586                         if (clear_maximized(ws) > 0)
9587                                 stack();
9588         }
9589
9590         win->mapped = true;
9591         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
9592
9593         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
9594                 if (ws->focus_pending == win) {
9595                         focus_win(win);
9596                         ws->focus_pending = NULL;
9597                         center_pointer(win->ws->r);
9598                         focus_flush();
9599                 }
9600         }
9601
9602         xcb_flush(conn);
9603 }
9604
9605 void
9606 mappingnotify(xcb_mapping_notify_event_t *e)
9607 {
9608         struct ws_win   *w;
9609         int     i, j, num_screens;
9610
9611         xcb_refresh_keyboard_mapping(syms, e);
9612
9613         if (e->request == XCB_MAPPING_KEYBOARD) {
9614                 grabkeys();
9615
9616                 /* Regrab buttons on all managed windows. */
9617                 num_screens = get_screen_count();
9618                 for (i = 0; i < num_screens; i++)
9619                         for (j = 0; j < workspace_limit; j++)
9620                                 TAILQ_FOREACH(w, &screens[i].ws[j].winlist,
9621                                     entry)
9622                                         grabbuttons(w);
9623         }
9624 }
9625
9626 void
9627 maprequest(xcb_map_request_event_t *e)
9628 {
9629         struct ws_win           *win, *w = NULL;
9630         xcb_get_window_attributes_reply_t *war;
9631
9632         DNPRINTF(SWM_D_EVENT, "maprequest: win %#x\n",
9633             e->window);
9634
9635         war = xcb_get_window_attributes_reply(conn,
9636             xcb_get_window_attributes(conn, e->window),
9637             NULL);
9638         if (war == NULL) {
9639                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
9640                 goto out;
9641         }
9642
9643         if (war->override_redirect) {
9644                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
9645                     "skipping.\n");
9646                 goto out;
9647         }
9648
9649         win = manage_window(e->window, spawn_position,
9650             (war->map_state == XCB_MAP_STATE_VIEWABLE));
9651         if (win == NULL)
9652                 goto out;
9653
9654         /* The new window should get focus; prepare. */
9655         if (focus_mode != SWM_FOCUS_FOLLOW &&
9656             !(win->quirks & SWM_Q_NOFOCUSONMAP) &&
9657             (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
9658              (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
9659               win->hints.input))) {
9660                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
9661                         /* See if other wins of same type are already mapped. */
9662                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
9663                                 if (w == win || !w->mapped)
9664                                         continue;
9665
9666                                 if (w->ch.class_name &&
9667                                     win->ch.class_name &&
9668                                     strcmp(w->ch.class_name,
9669                                     win->ch.class_name) == 0 &&
9670                                     w->ch.instance_name &&
9671                                     win->ch.instance_name &&
9672                                     strcmp(w->ch.instance_name,
9673                                     win->ch.instance_name) == 0)
9674                                         break;
9675                         }
9676                 }
9677
9678                 if (w == NULL)
9679                         win->ws->focus_pending = get_focus_magic(win);
9680         }
9681
9682         /* All windows need to be mapped if they are in the current workspace.*/
9683         if (win->ws->r)
9684                 stack();
9685
9686         /* Ignore EnterNotify to handle the mapnotify without interference. */
9687         if (focus_mode == SWM_FOCUS_DEFAULT)
9688                 event_drain(XCB_ENTER_NOTIFY);
9689 out:
9690         free(war);
9691         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
9692 }
9693
9694 void
9695 motionnotify(xcb_motion_notify_event_t *e)
9696 {
9697         struct swm_region       *r = NULL;
9698         int                     i, num_screens;
9699
9700         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): %#x "
9701             "(%d,%d), detail: %s(%d), root (x,y): %#x (%d,%d), "
9702             "child: %#x, same_screen_focus: %s, state: %d\n",
9703             e->time, e->event, e->event_x, e->event_y,
9704             get_notify_detail_label(e->detail), e->detail,
9705             e->root, e->root_x, e->root_y, e->child,
9706             YESNO(e->same_screen), e->state);
9707
9708         last_event_time = e->time;
9709
9710         if (focus_mode == SWM_FOCUS_MANUAL)
9711                 return;
9712
9713         num_screens = get_screen_count();
9714         for (i = 0; i < num_screens; i++)
9715                 if (screens[i].root == e->root)
9716                         break;
9717
9718         TAILQ_FOREACH(r, &screens[i].rl, entry)
9719                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
9720                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
9721                         break;
9722
9723         focus_region(r);
9724 }
9725
9726 #ifdef SWM_DEBUG
9727 char *
9728 get_atom_name(xcb_atom_t atom)
9729 {
9730         char                            *name = NULL;
9731 #ifdef SWM_DEBUG_ATOM_NAMES
9732         /*
9733          * This should be disabled during most debugging since
9734          * xcb_get_* causes an xcb_flush.
9735          */
9736         size_t                          len;
9737         xcb_get_atom_name_reply_t       *r;
9738
9739         r = xcb_get_atom_name_reply(conn,
9740             xcb_get_atom_name(conn, atom),
9741             NULL);
9742         if (r) {
9743                 len = xcb_get_atom_name_name_length(r);
9744                 if (len > 0) {
9745                         name = malloc(len + 1);
9746                         if (name) {
9747                                 memcpy(name, xcb_get_atom_name_name(r), len);
9748                                 name[len] = '\0';
9749                         }
9750                 }
9751                 free(r);
9752         }
9753 #else
9754         (void)atom;
9755 #endif
9756         return (name);
9757 }
9758 #endif
9759
9760 void
9761 propertynotify(xcb_property_notify_event_t *e)
9762 {
9763         struct ws_win           *win;
9764         struct workspace        *ws;
9765 #ifdef SWM_DEBUG
9766         char                    *name;
9767
9768         name = get_atom_name(e->atom);
9769         DNPRINTF(SWM_D_EVENT, "propertynotify: win %#x, atom: %s(%u), "
9770             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
9771             e->state);
9772         free(name);
9773 #endif
9774         win = find_window(e->window);
9775         if (win == NULL)
9776                 return;
9777
9778         ws = win->ws;
9779
9780         last_event_time = e->time;
9781
9782         if (e->atom == a_state) {
9783                 /* State just changed, make sure it gets focused if mapped. */
9784                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
9785                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
9786                                 if (win->mapped &&
9787                                     ws->focus_pending == win) {
9788                                         focus_win(ws->focus_pending);
9789                                         ws->focus_pending = NULL;
9790                                 }
9791                         }
9792                 }
9793         } else if (e->atom == XCB_ATOM_WM_CLASS ||
9794             e->atom == XCB_ATOM_WM_NAME) {
9795                 bar_draw();
9796         } else if (e->atom == a_prot) {
9797                 get_wm_protocols(win);
9798         }
9799
9800         xcb_flush(conn);
9801 }
9802
9803 void
9804 unmapnotify(xcb_unmap_notify_event_t *e)
9805 {
9806         struct ws_win           *win;
9807         struct workspace        *ws;
9808
9809         DNPRINTF(SWM_D_EVENT, "unmapnotify: win %#x\n", e->window);
9810
9811         /* If we aren't managing the window, then ignore. */
9812         win = find_window(e->window);
9813         if (win == NULL || win->id != e->window)
9814                 return;
9815
9816         /* Do nothing if already withdrawn. */
9817         if (!win->mapped && !ICONIC(win))
9818                 return;
9819
9820         ws = win->ws;
9821         win->mapped = false;
9822
9823         /* If win was focused, make sure to focus on something else. */
9824         if (win == ws->focus) {
9825                 if (focus_mode != SWM_FOCUS_FOLLOW) {
9826                         ws->focus_pending = get_focus_prev(win);
9827                         DNPRINTF(SWM_D_EVENT, "unmapnotify: "
9828                             "focus_pending: %#x\n",
9829                             WINID(ws->focus_pending));
9830                 }
9831
9832                 unfocus_win(win);
9833         }
9834
9835         if (ICONIC(win)) {
9836                 /* Iconify. */
9837                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
9838         } else {
9839                 /* Withdraw. */
9840                 set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
9841                 unmanage_window(win);
9842         }
9843
9844         if (ws->r)
9845                 stack();
9846
9847         /* Update focus if ws is active. */
9848         if (WS_FOCUSED(ws)) {
9849                 if (focus_mode == SWM_FOCUS_FOLLOW) {
9850                         focus_win(get_pointer_win(ws->r->s->root));
9851                 } else if (ws->focus_pending) {
9852                         focus_win(ws->focus_pending);
9853                         ws->focus_pending = NULL;
9854                 } else if (ws->focus == NULL) {
9855                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
9856                             ws->r->id, XCB_CURRENT_TIME);
9857                 }
9858         }
9859
9860         center_pointer(ws->r);
9861         focus_flush();
9862 }
9863
9864 #ifdef SWM_DEBUG
9865 char *
9866 get_source_type_label(uint32_t type)
9867 {
9868         char *label;
9869
9870         switch (type) {
9871         case EWMH_SOURCE_TYPE_NONE:
9872                 label = "None";
9873                 break;
9874         case EWMH_SOURCE_TYPE_NORMAL:
9875                 label = "Normal";
9876                 break;
9877         case EWMH_SOURCE_TYPE_OTHER:
9878                 label = "Other";
9879                 break;
9880         default:
9881                 label = "Invalid";
9882         }
9883
9884         return label;
9885 }
9886 #endif
9887
9888 void
9889 clientmessage(xcb_client_message_event_t *e)
9890 {
9891         struct ws_win           *win;
9892         struct swm_region       *r = NULL;
9893         union arg               a;
9894         uint32_t                val[2];
9895         int                     num_screens, i;
9896         xcb_map_request_event_t mre;
9897 #ifdef SWM_DEBUG
9898         char                    *name;
9899
9900         name = get_atom_name(e->type);
9901         DNPRINTF(SWM_D_EVENT, "clientmessage: win %#x, atom: %s(%u)\n",
9902             e->window, name, e->type);
9903         free(name);
9904 #endif
9905
9906         if (e->type == ewmh[_NET_CURRENT_DESKTOP].atom) {
9907                 num_screens = get_screen_count();
9908                 for (i = 0; i < num_screens; i++)
9909                         if (screens[i].root == e->window) {
9910                                 r = screens[i].r_focus;
9911                                 break;
9912                         }
9913
9914                 if (r && e->data.data32[0] < (uint32_t)workspace_limit) {
9915                         a.id = e->data.data32[0];
9916                         switchws(r, &a);
9917                         focus_flush();
9918                 }
9919
9920                 return;
9921         }
9922
9923         win = find_window(e->window);
9924         if (win == NULL) {
9925                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9926                         /* Manage the window with maprequest. */
9927                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
9928                             "unmanaged window.\n");
9929                         mre.window = e->window;
9930                         maprequest(&mre);
9931                 }
9932                 return;
9933         }
9934
9935         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9936                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW, "
9937                     "source_type: %s(%d)\n",
9938                     get_source_type_label(e->data.data32[0]),
9939                     e->data.data32[0]);
9940
9941                 /*
9942                  * Allow focus changes that are a result of direct user
9943                  * action and from applications that use the old EWMH spec.
9944                  */
9945                 if (e->data.data32[0] != EWMH_SOURCE_TYPE_NORMAL ||
9946                     win->quirks & SWM_Q_OBEYAPPFOCUSREQ) {
9947                         if (WS_FOCUSED(win->ws))
9948                                 focus_win(win);
9949                         else
9950                                 win->ws->focus_pending = win;
9951                 }
9952         } else if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
9953                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
9954                 if (win->can_delete)
9955                         client_msg(win, a_delete, 0);
9956                 else
9957                         xcb_kill_client(conn, win->id);
9958         } else if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
9959                 DNPRINTF(SWM_D_EVENT,
9960                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
9961                 if (ABOVE(win)) {
9962                         if (e->data.data32[0] & (1<<8)) /* x */
9963                                 X(win) = e->data.data32[1];
9964                         if (e->data.data32[0] & (1<<9)) /* y */
9965                                 Y(win) = e->data.data32[2];
9966                         if (e->data.data32[0] & (1<<10)) /* width */
9967                                 WIDTH(win) = e->data.data32[3];
9968                         if (e->data.data32[0] & (1<<11)) /* height */
9969                                 HEIGHT(win) = e->data.data32[4];
9970
9971                         update_window(win);
9972                 } else {
9973                         /* Notify no change was made. */
9974                         config_win(win, NULL);
9975                         /* TODO: Change stack sizes */
9976                 }
9977         } else if (e->type == ewmh[_NET_RESTACK_WINDOW].atom) {
9978                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_RESTACK_WINDOW\n");
9979                 val[0] = e->data.data32[1]; /* Sibling window. */
9980                 val[1] = e->data.data32[2]; /* Stack mode detail. */
9981
9982                 xcb_configure_window(conn, win->id, XCB_CONFIG_WINDOW_SIBLING |
9983                     XCB_CONFIG_WINDOW_STACK_MODE, val);
9984         } else  if (e->type == ewmh[_NET_WM_STATE].atom) {
9985                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
9986                 ewmh_change_wm_state(win, e->data.data32[1], e->data.data32[0]);
9987                 if (e->data.data32[2])
9988                         ewmh_change_wm_state(win, e->data.data32[2],
9989                             e->data.data32[0]);
9990
9991                 ewmh_update_wm_state(win);
9992                 stack();
9993         } else if (e->type == ewmh[_NET_WM_DESKTOP].atom) {
9994                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_DESKTOP\n");
9995                 r = win->ws->r;
9996
9997                 win_to_ws(win, e->data.data32[0], true);
9998
9999                 /* Restack if either the source or destination ws is mapped. */
10000                 if (r != NULL || win->ws->r != NULL) {
10001                         if (FLOATING(win))
10002                                 load_float_geom(win);
10003
10004                         stack();
10005                 }
10006         }
10007
10008         focus_flush();
10009 }
10010
10011 void
10012 check_conn(void)
10013 {
10014         int      errcode = xcb_connection_has_error(conn);
10015 #ifdef XCB_CONN_ERROR
10016         char    *s;
10017         switch (errcode) {
10018         case XCB_CONN_ERROR:
10019                 s = "Socket error, pipe error or other stream error.";
10020                 break;
10021         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
10022                 s = "Extension not supported.";
10023                 break;
10024         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
10025                 s = "Insufficient memory.";
10026                 break;
10027         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
10028                 s = "Request length was exceeded.";
10029                 break;
10030         case XCB_CONN_CLOSED_PARSE_ERR:
10031                 s = "Error parsing display string.";
10032                 break;
10033         default:
10034                 s = "Unknown error.";
10035         }
10036         if (errcode)
10037                 errx(errcode, "X CONNECTION ERROR: %s", s);
10038 #else
10039         if (errcode)
10040                 errx(errcode, "X CONNECTION ERROR");
10041 #endif
10042 }
10043
10044 int
10045 enable_wm(void)
10046 {
10047         int                     num_screens, i;
10048         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
10049             XCB_EVENT_MASK_ENTER_WINDOW;
10050         xcb_screen_t            *sc;
10051         xcb_void_cookie_t       wac;
10052         xcb_generic_error_t     *error;
10053
10054         /* this causes an error if some other window manager is running */
10055         num_screens = get_screen_count();
10056         for (i = 0; i < num_screens; i++) {
10057                 if ((sc = get_screen(i)) == NULL)
10058                         errx(1, "ERROR: can't get screen %d.", i);
10059                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: %#x\n",
10060                     i, sc->root);
10061                 wac = xcb_change_window_attributes_checked(conn, sc->root,
10062                     XCB_CW_EVENT_MASK, &val);
10063                 if ((error = xcb_request_check(conn, wac))) {
10064                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
10065                             error->error_code);
10066                         free(error);
10067                         return 1;
10068                 }
10069
10070                 /* click to focus on empty region */
10071                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
10072                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
10073                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
10074         }
10075
10076         return 0;
10077 }
10078
10079 void
10080 new_region(struct swm_screen *s, int x, int y, int w, int h)
10081 {
10082         struct swm_region       *r = NULL, *n;
10083         struct workspace        *ws = NULL;
10084         int                     i;
10085         uint32_t                wa[1];
10086
10087         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
10088              s->idx, w, h, x, y);
10089
10090         /* remove any conflicting regions */
10091         n = TAILQ_FIRST(&s->rl);
10092         while (n) {
10093                 r = n;
10094                 n = TAILQ_NEXT(r, entry);
10095                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
10096                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
10097                         if (r->ws->r != NULL)
10098                                 r->ws->old_r = r->ws->r;
10099                         r->ws->r = NULL;
10100                         bar_cleanup(r);
10101                         xcb_destroy_window(conn, r->id);
10102                         TAILQ_REMOVE(&s->rl, r, entry);
10103                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
10104                 }
10105         }
10106
10107         /* search old regions for one to reuse */
10108
10109         /* size + location match */
10110         TAILQ_FOREACH(r, &s->orl, entry)
10111                 if (X(r) == x && Y(r) == y &&
10112                     HEIGHT(r) == h && WIDTH(r) == w)
10113                         break;
10114
10115         /* size match */
10116         TAILQ_FOREACH(r, &s->orl, entry)
10117                 if (HEIGHT(r) == h && WIDTH(r) == w)
10118                         break;
10119
10120         if (r != NULL) {
10121                 TAILQ_REMOVE(&s->orl, r, entry);
10122                 /* try to use old region's workspace */
10123                 if (r->ws->r == NULL)
10124                         ws = r->ws;
10125         } else
10126                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
10127                         err(1, "new_region: calloc: failed to allocate memory "
10128                             "for screen");
10129
10130         /* if we don't have a workspace already, find one */
10131         if (ws == NULL) {
10132                 for (i = 0; i < workspace_limit; i++)
10133                         if (s->ws[i].r == NULL) {
10134                                 ws = &s->ws[i];
10135                                 break;
10136                         }
10137         }
10138
10139         if (ws == NULL)
10140                 errx(1, "new_region: no free workspaces");
10141
10142         if (ws->state == SWM_WS_STATE_HIDDEN)
10143                 ws->state = SWM_WS_STATE_MAPPING;
10144
10145         X(r) = x;
10146         Y(r) = y;
10147         WIDTH(r) = w;
10148         HEIGHT(r) = h;
10149         r->s = s;
10150         r->ws = ws;
10151         r->ws_prior = NULL;
10152         ws->r = r;
10153         outputs++;
10154         TAILQ_INSERT_TAIL(&s->rl, r, entry);
10155
10156         /* Invisible region window to detect pointer events on empty regions. */
10157         r->id = xcb_generate_id(conn);
10158         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
10159             XCB_EVENT_MASK_POINTER_MOTION_HINT;
10160
10161         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
10162             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
10163             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
10164
10165         /* Make sure region input is at the bottom. */
10166         wa[0] = XCB_STACK_MODE_BELOW;
10167         xcb_configure_window(conn, r->id, XCB_CONFIG_WINDOW_STACK_MODE, wa);
10168
10169         xcb_map_window(conn, r->id);
10170 }
10171
10172 void
10173 scan_randr(int idx)
10174 {
10175 #ifdef SWM_XRR_HAS_CRTC
10176         int                                             c;
10177         int                                             ncrtc = 0;
10178 #endif /* SWM_XRR_HAS_CRTC */
10179         struct swm_region                               *r;
10180         struct ws_win                                   *win;
10181         int                                             num_screens;
10182         xcb_randr_get_screen_resources_current_cookie_t src;
10183         xcb_randr_get_screen_resources_current_reply_t  *srr;
10184         xcb_randr_get_crtc_info_cookie_t                cic;
10185         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
10186         xcb_randr_crtc_t                                *crtc;
10187         xcb_screen_t                                    *screen;
10188
10189         DNPRINTF(SWM_D_MISC, "scan_randr: screen: %d\n", idx);
10190
10191         if ((screen = get_screen(idx)) == NULL)
10192                 errx(1, "ERROR: can't get screen %d.", idx);
10193
10194         num_screens = get_screen_count();
10195         if (idx >= num_screens)
10196                 errx(1, "scan_randr: invalid screen");
10197
10198         /* remove any old regions */
10199         while ((r = TAILQ_FIRST(&screens[idx].rl)) != NULL) {
10200                 r->ws->old_r = r->ws->r = NULL;
10201                 bar_cleanup(r);
10202                 xcb_destroy_window(conn, r->id);
10203                 TAILQ_REMOVE(&screens[idx].rl, r, entry);
10204                 TAILQ_INSERT_TAIL(&screens[idx].orl, r, entry);
10205         }
10206         outputs = 0;
10207
10208         /* map virtual screens onto physical screens */
10209 #ifdef SWM_XRR_HAS_CRTC
10210         if (randr_support) {
10211                 src = xcb_randr_get_screen_resources_current(conn,
10212                     screens[idx].root);
10213                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
10214                     NULL);
10215                 if (srr == NULL) {
10216                         new_region(&screens[idx], 0, 0,
10217                             screen->width_in_pixels,
10218                             screen->height_in_pixels);
10219                         goto out;
10220                 } else
10221                         ncrtc = srr->num_crtcs;
10222
10223                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
10224                 for (c = 0; c < ncrtc; c++) {
10225                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
10226                             XCB_CURRENT_TIME);
10227                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
10228                         if (cir == NULL)
10229                                 continue;
10230                         if (cir->num_outputs == 0) {
10231                                 free(cir);
10232                                 continue;
10233                         }
10234
10235                         if (cir->mode == 0)
10236                                 new_region(&screens[idx], 0, 0,
10237                                     screen->width_in_pixels,
10238                                     screen->height_in_pixels);
10239                         else
10240                                 new_region(&screens[idx],
10241                                     cir->x, cir->y, cir->width, cir->height);
10242                         free(cir);
10243                 }
10244                 free(srr);
10245         }
10246 #endif /* SWM_XRR_HAS_CRTC */
10247
10248         /* If detection failed, create a single region that spans the screen. */
10249         if (TAILQ_EMPTY(&screens[idx].rl))
10250                 new_region(&screens[idx], 0, 0, screen->width_in_pixels,
10251                     screen->height_in_pixels);
10252
10253 out:
10254         /* Cleanup unused previously visible workspaces. */
10255         TAILQ_FOREACH(r, &screens[idx].orl, entry) {
10256                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
10257                         unmap_window(win);
10258                 r->ws->state = SWM_WS_STATE_HIDDEN;
10259
10260                 /* The screen shouldn't focus on an unused region. */
10261                 if (screens[idx].r_focus == r)
10262                         screens[idx].r_focus = NULL;
10263         }
10264
10265         DNPRINTF(SWM_D_MISC, "scan_randr: done.\n");
10266 }
10267
10268 void
10269 screenchange(xcb_randr_screen_change_notify_event_t *e)
10270 {
10271         struct swm_region               *r;
10272         int                             i, num_screens;
10273
10274         DNPRINTF(SWM_D_EVENT, "screenchange: root: %#x\n", e->root);
10275
10276         num_screens = get_screen_count();
10277         /* silly event doesn't include the screen index */
10278         for (i = 0; i < num_screens; i++)
10279                 if (screens[i].root == e->root)
10280                         break;
10281         if (i >= num_screens)
10282                 errx(1, "screenchange: screen not found");
10283
10284         /* brute force for now, just re-enumerate the regions */
10285         scan_randr(i);
10286
10287 #ifdef SWM_DEBUG
10288         print_win_geom(e->root);
10289 #endif
10290         /* add bars to all regions */
10291         for (i = 0; i < num_screens; i++) {
10292                 TAILQ_FOREACH(r, &screens[i].rl, entry)
10293                         bar_setup(r);
10294         }
10295
10296         stack();
10297
10298         /* Make sure a region has focus on each screen. */
10299         for (i = 0; i < num_screens; i++) {
10300                 if (screens[i].r_focus == NULL) {
10301                         r = TAILQ_FIRST(&screens[i].rl);
10302                         if (r != NULL)
10303                                 focus_region(r);
10304                 }
10305         }
10306
10307         bar_draw();
10308         focus_flush();
10309
10310         /* Update workspace state on all regions. */
10311         for (i = 0; i < num_screens; i++)
10312                 TAILQ_FOREACH(r, &screens[i].rl, entry)
10313                         r->ws->state = SWM_WS_STATE_MAPPED;
10314 }
10315
10316 void
10317 grab_windows(void)
10318 {
10319         struct swm_region       *r = NULL;
10320         xcb_window_t            *wins = NULL, trans, *cwins = NULL;
10321         int                     i, j, k, n, no, num_screens;
10322         uint8_t                 state;
10323         bool                    manage, mapped;
10324
10325         xcb_query_tree_cookie_t                 qtc;
10326         xcb_query_tree_reply_t                  *qtr;
10327         xcb_get_window_attributes_cookie_t      gac;
10328         xcb_get_window_attributes_reply_t       *gar;
10329         xcb_get_property_cookie_t               pc;
10330         xcb_get_property_reply_t                *pr;
10331
10332         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
10333         num_screens = get_screen_count();
10334         for (i = 0; i < num_screens; i++) {
10335                 qtc = xcb_query_tree(conn, screens[i].root);
10336                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
10337                 if (qtr == NULL)
10338                         continue;
10339                 wins = xcb_query_tree_children(qtr);
10340                 no = xcb_query_tree_children_length(qtr);
10341
10342                 /* Try to sort windows according to _NET_CLIENT_LIST. */
10343                 pr = xcb_get_property_reply(conn, xcb_get_property(conn, 0,
10344                     screens[i].root, ewmh[_NET_CLIENT_LIST].atom,
10345                     XCB_ATOM_WINDOW, 0, UINT32_MAX), NULL);
10346                 if (pr != NULL) {
10347                         cwins = xcb_get_property_value(pr);
10348                         n = xcb_get_property_value_length(pr) /
10349                             sizeof(xcb_atom_t);
10350
10351                         for (j = 0; j < n; ++j) {
10352                                 for (k = j; k < no; ++k) {
10353                                         if (wins[k] == cwins[j]) {
10354                                                 /* Swap wins j and k. */
10355                                                 wins[k] = wins[j];
10356                                                 wins[j] = cwins[j];
10357                                         }
10358                                 }
10359                         }
10360
10361                         free(pr);
10362                 }
10363
10364                 /* attach windows to a region */
10365                 /* normal windows */
10366                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
10367                 for (j = 0; j < no; j++) {
10368                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
10369                                 if (r->id == wins[j]) {
10370                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
10371                                             "skip %#x; region input window.\n",
10372                                             wins[j]);
10373                                         break;
10374                                 } else if (r->bar->id == wins[j]) {
10375                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
10376                                             "skip %#x; region bar.\n",
10377                                             wins[j]);
10378                                         break;
10379                                 }
10380                         }
10381
10382                         if (r)
10383                                 continue;
10384
10385                         gac = xcb_get_window_attributes(conn, wins[j]);
10386                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
10387                         if (gar == NULL) {
10388                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
10389                                     "doesn't exist.\n", wins[j]);
10390                                 continue;
10391                         }
10392
10393                         if (gar->override_redirect) {
10394                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
10395                                     "override_redirect set.\n", wins[j]);
10396                                 free(gar);
10397                                 continue;
10398                         }
10399
10400                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
10401                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
10402                             &trans, NULL)) {
10403                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
10404                                     "is transient for %#x.\n", wins[j], trans);
10405                                 free(gar);
10406                                 continue;
10407                         }
10408
10409                         state = get_win_state(wins[j]);
10410                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
10411                         mapped = gar->map_state == XCB_MAP_STATE_VIEWABLE;
10412                         if (mapped || manage)
10413                                 manage_window(wins[j], SWM_STACK_TOP, mapped);
10414                         free(gar);
10415                 }
10416                 /* transient windows */
10417                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
10418                 for (j = 0; j < no; j++) {
10419                         gac = xcb_get_window_attributes(conn, wins[j]);
10420                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
10421                         if (gar == NULL) {
10422                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
10423                                     "doesn't exist.\n", wins[j]);
10424                                 continue;
10425                         }
10426
10427                         if (gar->override_redirect) {
10428                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
10429                                     "override_redirect set.\n", wins[j]);
10430                                 free(gar);
10431                                 continue;
10432                         }
10433
10434                         state = get_win_state(wins[j]);
10435                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
10436                         mapped = gar->map_state == XCB_MAP_STATE_VIEWABLE;
10437                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
10438                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
10439                             &trans, NULL) && manage)
10440                                 manage_window(wins[j], SWM_STACK_TOP, mapped);
10441                         free(gar);
10442                 }
10443                 free(qtr);
10444         }
10445         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
10446 }
10447
10448 void
10449 setup_screens(void)
10450 {
10451         int                     i, j, k, num_screens;
10452         struct workspace        *ws;
10453         uint32_t                gcv[1], wa[1];
10454         const xcb_query_extension_reply_t *qep;
10455         xcb_screen_t                            *screen;
10456         xcb_randr_query_version_cookie_t        c;
10457         xcb_randr_query_version_reply_t         *r;
10458
10459         num_screens = get_screen_count();
10460         if ((screens = calloc(num_screens,
10461              sizeof(struct swm_screen))) == NULL)
10462                 err(1, "setup_screens: calloc: failed to allocate memory for "
10463                     "screens");
10464
10465         /* Initial RandR setup. */
10466         randr_support = false;
10467         qep = xcb_get_extension_data(conn, &xcb_randr_id);
10468         if (qep->present) {
10469                 c = xcb_randr_query_version(conn, 1, 1);
10470                 r = xcb_randr_query_version_reply(conn, c, NULL);
10471                 if (r) {
10472                         if (r->major_version >= 1) {
10473                                 randr_support = true;
10474                                 randr_eventbase = qep->first_event;
10475                         }
10476                         free(r);
10477                 }
10478         }
10479
10480         wa[0] = cursors[XC_LEFT_PTR].cid;
10481
10482         /* map physical screens */
10483         for (i = 0; i < num_screens; i++) {
10484                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
10485                 screens[i].idx = i;
10486                 screens[i].r_focus = NULL;
10487
10488                 TAILQ_INIT(&screens[i].rl);
10489                 TAILQ_INIT(&screens[i].orl);
10490                 if ((screen = get_screen(i)) == NULL)
10491                         errx(1, "ERROR: can't get screen %d.", i);
10492                 screens[i].root = screen->root;
10493
10494                 /* set default colors */
10495                 setscreencolor("red", i, SWM_S_COLOR_FOCUS);
10496                 setscreencolor("rgb:88/88/88", i, SWM_S_COLOR_UNFOCUS);
10497                 setscreencolor("rgb:00/80/80", i, SWM_S_COLOR_BAR_BORDER);
10498                 setscreencolor("rgb:00/40/40", i,
10499                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
10500                 setscreencolor("black", i, SWM_S_COLOR_BAR);
10501                 setscreencolor("rgb:a0/a0/a0", i, SWM_S_COLOR_BAR_FONT);
10502                 setscreencolor("red", i, SWM_S_COLOR_FOCUS_MAXIMIZED);
10503                 setscreencolor("rgb:88/88/88", i,
10504                     SWM_S_COLOR_UNFOCUS_MAXIMIZED);
10505
10506                 /* create graphics context on screen */
10507                 screens[i].bar_gc = xcb_generate_id(conn);
10508                 gcv[0] = 0;
10509                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
10510                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
10511
10512                 /* set default cursor */
10513                 xcb_change_window_attributes(conn, screens[i].root,
10514                     XCB_CW_CURSOR, wa);
10515
10516                 /* init all workspaces */
10517                 /* XXX these should be dynamically allocated too */
10518                 for (j = 0; j < SWM_WS_MAX; j++) {
10519                         ws = &screens[i].ws[j];
10520                         ws->idx = j;
10521                         ws->name = NULL;
10522                         ws->bar_enabled = true;
10523                         ws->focus = NULL;
10524                         ws->focus_prev = NULL;
10525                         ws->focus_pending = NULL;
10526                         ws->r = NULL;
10527                         ws->old_r = NULL;
10528                         ws->state = SWM_WS_STATE_HIDDEN;
10529                         TAILQ_INIT(&ws->stack);
10530                         TAILQ_INIT(&ws->winlist);
10531                         TAILQ_INIT(&ws->unmanagedlist);
10532
10533                         for (k = 0; layouts[k].l_stack != NULL; k++)
10534                                 if (layouts[k].l_config != NULL)
10535                                         layouts[k].l_config(ws,
10536                                             SWM_ARG_ID_STACKINIT);
10537                         ws->cur_layout = &layouts[0];
10538                         ws->cur_layout->l_string(ws);
10539                 }
10540
10541                 scan_randr(i);
10542
10543                 if (randr_support)
10544                         xcb_randr_select_input(conn, screens[i].root,
10545                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
10546         }
10547 }
10548
10549 void
10550 setup_globals(void)
10551 {
10552         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
10553                 err(1, "setup_globals: strdup: failed to allocate memory.");
10554
10555         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
10556                 err(1, "setup_globals: strdup: failed to allocate memory.");
10557
10558         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
10559                 errx(1, "unable to allocate key symbols");
10560
10561         a_state = get_atom_from_string("WM_STATE");
10562         a_prot = get_atom_from_string("WM_PROTOCOLS");
10563         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
10564         a_net_supported = get_atom_from_string("_NET_SUPPORTED");
10565         a_net_wm_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
10566         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
10567         a_utf8_string = get_atom_from_string("UTF8_STRING");
10568         a_swm_ws = get_atom_from_string("_SWM_WS");
10569 }
10570
10571 void
10572 shutdown_cleanup(void)
10573 {
10574         int                     i, num_screens;
10575
10576         /* disable alarm because the following code may not be interrupted */
10577         alarm(0);
10578         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
10579                 err(1, "can't disable alarm");
10580
10581         bar_extra_stop();
10582         unmap_all();
10583
10584         cursors_cleanup();
10585
10586         teardown_ewmh();
10587
10588         num_screens = get_screen_count();
10589         for (i = 0; i < num_screens; ++i) {
10590                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
10591                     screens[i].root, XCB_CURRENT_TIME);
10592
10593                 if (screens[i].bar_gc != XCB_NONE)
10594                         xcb_free_gc(conn, screens[i].bar_gc);
10595                 if (!bar_font_legacy) {
10596                         XftColorFree(display, DefaultVisual(display, i),
10597                             DefaultColormap(display, i), &bar_font_color);
10598                         XftColorFree(display, DefaultVisual(display, i),
10599                             DefaultColormap(display, i), &search_font_color);
10600                 }
10601         }
10602
10603         if (bar_font_legacy)
10604                 XFreeFontSet(display, bar_fs);
10605         else {
10606                 XftFontClose(display, bar_font);
10607         }
10608
10609         xcb_key_symbols_free(syms);
10610         xcb_flush(conn);
10611         xcb_disconnect(conn);
10612 }
10613
10614 void
10615 event_error(xcb_generic_error_t *e)
10616 {
10617         (void)e;
10618
10619         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
10620             "resource_id: %u, minor_code: %u\n",
10621             xcb_event_get_error_label(e->error_code), e->error_code,
10622             xcb_event_get_request_label(e->major_code), e->major_code,
10623             e->sequence, e->resource_id, e->minor_code);
10624 }
10625
10626 void
10627 event_handle(xcb_generic_event_t *evt)
10628 {
10629         uint8_t                 type = XCB_EVENT_RESPONSE_TYPE(evt);
10630
10631         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
10632             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
10633             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
10634
10635         switch (type) {
10636 #define EVENT(type, callback) case type: callback((void *)evt); return
10637         EVENT(0, event_error);
10638         EVENT(XCB_BUTTON_PRESS, buttonpress);
10639         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
10640         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
10641         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
10642         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
10643         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
10644         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
10645         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
10646         /*EVENT(XCB_CREATE_NOTIFY, );*/
10647         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
10648         EVENT(XCB_ENTER_NOTIFY, enternotify);
10649         EVENT(XCB_EXPOSE, expose);
10650 #ifdef SWM_DEBUG
10651         EVENT(XCB_FOCUS_IN, focusin);
10652         EVENT(XCB_FOCUS_OUT, focusout);
10653 #endif
10654         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
10655         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
10656         EVENT(XCB_KEY_PRESS, keypress);
10657         /*EVENT(XCB_KEY_RELEASE, keypress);*/
10658         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
10659 #ifdef SWM_DEBUG
10660         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
10661 #endif
10662         EVENT(XCB_MAP_NOTIFY, mapnotify);
10663         EVENT(XCB_MAP_REQUEST, maprequest);
10664         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
10665         EVENT(XCB_MOTION_NOTIFY, motionnotify);
10666         /*EVENT(XCB_NO_EXPOSURE, );*/
10667         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
10668         /*EVENT(XCB_REPARENT_NOTIFY, );*/
10669         /*EVENT(XCB_RESIZE_REQUEST, );*/
10670         /*EVENT(XCB_SELECTION_CLEAR, );*/
10671         /*EVENT(XCB_SELECTION_NOTIFY, );*/
10672         /*EVENT(XCB_SELECTION_REQUEST, );*/
10673         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
10674         /*EVENT(XCB_VISIBILITY_NOTIFY, );*/
10675 #undef EVENT
10676         }
10677         if (type - randr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
10678                 screenchange((void *)evt);
10679 }
10680
10681 int
10682 main(int argc, char *argv[])
10683 {
10684         struct swm_region       *r;
10685         char                    conf[PATH_MAX], *cfile = NULL;
10686         struct stat             sb;
10687         int                     xfd, i, num_screens;
10688         struct sigaction        sact;
10689         xcb_generic_event_t     *evt;
10690         struct timeval          tv;
10691         fd_set                  rd;
10692         int                     rd_max;
10693         int                     num_readable;
10694         bool                    stdin_ready = false, startup = true;
10695
10696         /* suppress unused warning since var is needed */
10697         (void)argc;
10698
10699 #ifdef SWM_DEBUG
10700         time_started = time(NULL);
10701 #endif
10702
10703         start_argv = argv;
10704         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
10705         if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
10706                 warnx("no locale support");
10707
10708         /* handle some signals */
10709         bzero(&sact, sizeof(sact));
10710         sigemptyset(&sact.sa_mask);
10711         sact.sa_flags = 0;
10712         sact.sa_handler = sighdlr;
10713         sigaction(SIGINT, &sact, NULL);
10714         sigaction(SIGQUIT, &sact, NULL);
10715         sigaction(SIGTERM, &sact, NULL);
10716         sigaction(SIGHUP, &sact, NULL);
10717
10718         sact.sa_handler = sighdlr;
10719         sact.sa_flags = SA_NOCLDSTOP;
10720         sigaction(SIGCHLD, &sact, NULL);
10721
10722         if ((display = XOpenDisplay(0)) == NULL)
10723                 errx(1, "can not open display");
10724
10725         conn = XGetXCBConnection(display);
10726         if (xcb_connection_has_error(conn))
10727                 errx(1, "can not get XCB connection");
10728
10729         XSetEventQueueOwner(display, XCBOwnsEventQueue);
10730
10731         xcb_prefetch_extension_data(conn, &xcb_randr_id);
10732         xfd = xcb_get_file_descriptor(conn);
10733
10734         /* look for local and global conf file */
10735         pwd = getpwuid(getuid());
10736         if (pwd == NULL)
10737                 errx(1, "invalid user: %d", getuid());
10738
10739         xcb_grab_server(conn);
10740         xcb_aux_sync(conn);
10741
10742         /* flush all events */
10743         while ((evt = xcb_poll_for_event(conn))) {
10744                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
10745                         event_handle(evt);
10746                 free(evt);
10747         }
10748
10749         if (enable_wm())
10750                 errx(1, "another window manager is currently running");
10751
10752         /* Load Xcursors and/or cursorfont glyph cursors. */
10753         cursors_load();
10754
10755         xcb_aux_sync(conn);
10756
10757         setup_globals();
10758         setup_screens();
10759         setup_ewmh();
10760         setup_keys();
10761         setup_quirks();
10762         setup_spawn();
10763
10764         /* load config */
10765         for (i = 0; ; i++) {
10766                 conf[0] = '\0';
10767                 switch (i) {
10768                 case 0:
10769                         /* ~ */
10770                         snprintf(conf, sizeof conf, "%s/.%s",
10771                             pwd->pw_dir, SWM_CONF_FILE);
10772                         break;
10773                 case 1:
10774                         /* global */
10775                         snprintf(conf, sizeof conf, "/etc/%s",
10776                             SWM_CONF_FILE);
10777                         break;
10778                 case 2:
10779                         /* ~ compat */
10780                         snprintf(conf, sizeof conf, "%s/.%s",
10781                             pwd->pw_dir, SWM_CONF_FILE_OLD);
10782                         break;
10783                 case 3:
10784                         /* global compat */
10785                         snprintf(conf, sizeof conf, "/etc/%s",
10786                             SWM_CONF_FILE_OLD);
10787                         break;
10788                 default:
10789                         goto noconfig;
10790                 }
10791
10792                 if (strlen(conf) && stat(conf, &sb) != -1)
10793                         if (S_ISREG(sb.st_mode)) {
10794                                 cfile = conf;
10795                                 break;
10796                         }
10797         }
10798 noconfig:
10799
10800         /* load conf (if any) */
10801         if (cfile)
10802                 conf_load(cfile, SWM_CONF_DEFAULT);
10803
10804         validate_spawns();
10805
10806         if (getenv("SWM_STARTED") == NULL)
10807                 setenv("SWM_STARTED", "YES", 1);
10808
10809         /* setup all bars */
10810         num_screens = get_screen_count();
10811         for (i = 0; i < num_screens; i++)
10812                 TAILQ_FOREACH(r, &screens[i].rl, entry)
10813                         bar_setup(r);
10814
10815         /* Manage existing windows. */
10816         grab_windows();
10817
10818         grabkeys();
10819         stack();
10820         bar_draw();
10821
10822         xcb_ungrab_server(conn);
10823         xcb_flush(conn);
10824
10825         /* Update state of each newly mapped workspace. */
10826         for (i = 0; i < num_screens; i++)
10827                 TAILQ_FOREACH(r, &screens[i].rl, entry)
10828                         r->ws->state = SWM_WS_STATE_MAPPED;
10829
10830         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
10831
10832         while (running) {
10833                 while ((evt = xcb_poll_for_event(conn))) {
10834                         if (!running)
10835                                 goto done;
10836                         event_handle(evt);
10837                         free(evt);
10838                 }
10839
10840                 /* If just (re)started, set default focus if needed. */
10841                 if (startup) {
10842                         startup = false;
10843
10844                         if (focus_mode != SWM_FOCUS_FOLLOW) {
10845                                 r = TAILQ_FIRST(&screens[0].rl);
10846                                 if (r) {
10847                                         focus_region(r);
10848                                         focus_flush();
10849                                 }
10850                                 continue;
10851                         }
10852                 }
10853
10854                 FD_ZERO(&rd);
10855
10856                 if (bar_extra)
10857                         FD_SET(STDIN_FILENO, &rd);
10858
10859                 FD_SET(xfd, &rd);
10860                 tv.tv_sec = 1;
10861                 tv.tv_usec = 0;
10862                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
10863                 if (num_readable == -1 && errno != EINTR) {
10864                         DNPRINTF(SWM_D_MISC, "select failed");
10865                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
10866                         stdin_ready = true;
10867                 }
10868
10869                 if (restart_wm)
10870                         restart(NULL, NULL);
10871
10872                 if (search_resp)
10873                         search_do_resp();
10874
10875                 if (!running)
10876                         goto done;
10877
10878                 if (stdin_ready) {
10879                         stdin_ready = false;
10880                         bar_extra_update();
10881                 }
10882
10883                 bar_draw();
10884                 xcb_flush(conn);
10885         }
10886 done:
10887         shutdown_cleanup();
10888
10889         return (0);
10890 }