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