spectrwm.c

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