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