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