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