spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2013 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <regex.h>
  85 #include <signal.h>
  86 #include <stdio.h>
  87 #include <stdlib.h>
  88 #include <string.h>
  89 #include <time.h>
  90 #include <unistd.h>
  91 #include <util.h>
  92 #include <X11/cursorfont.h>
  93 #include <X11/extensions/Xrandr.h>
  94 #include <X11/Xcursor/Xcursor.h>
  95 #include <X11/Xft/Xft.h>
  96 #include <X11/Xlib-xcb.h>
  97 #include <xcb/xcb_atom.h>
  98 #include <xcb/xcb_aux.h>
  99 #include <xcb/xcb_event.h>
 100 #include <xcb/xcb_icccm.h>
 101 #include <xcb/xcb_keysyms.h>
 102 #include <xcb/xtest.h>
 103 #include <xcb/randr.h>
 104
 105 /* local includes */
 106 #include "version.h"
 107 #ifdef __OSX__
 108 #include <osx.h>
 109 #endif
 110
 111 #ifdef SPECTRWM_BUILDSTR
 112 static const char       *buildstr = SPECTRWM_BUILDSTR;
 113 #else
 114 static const char       *buildstr = SPECTRWM_VERSION;
 115 #endif
 116
 117 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 118 #  if RANDR_MAJOR < 1
 119 #    error XRandR versions less than 1.0 are not supported
 120 #endif
 121
 122 #  if RANDR_MAJOR >= 1
 123 #    if RANDR_MINOR >= 2
 124 #      define SWM_XRR_HAS_CRTC
 125 #    endif
 126 #  endif
 127 #endif /* __CYGWIN__ */
 128
 129 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 130 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 133 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 134 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 135 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 136 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 137 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 138 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 139 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 140 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 141 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 142 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 143 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 144 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 145 #define xcb_icccm_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 146 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 147 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 148 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 149 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 150 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 151 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 152 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 153 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 154 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 155 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 156 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 157 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 158 #endif
 159
 160 /*#define SWM_DEBUG*/
 161 #ifdef SWM_DEBUG
 162 #define DPRINTF(x...) do {                                                      \
 163         if (swm_debug)                                                          \
 164                 fprintf(stderr, x);                                             \
 165 } while (0)
 166 #define DNPRINTF(n,x...) do {                                                   \
 167         if (swm_debug & n) {                                                    \
 168                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 169                 fprintf(stderr, x);                                             \
 170         }                                                                       \
 171 } while (0)
 172 #define SWM_D_MISC              0x0001
 173 #define SWM_D_EVENT             0x0002
 174 #define SWM_D_WS                0x0004
 175 #define SWM_D_FOCUS             0x0008
 176 #define SWM_D_MOVE              0x0010
 177 #define SWM_D_STACK             0x0020
 178 #define SWM_D_MOUSE             0x0040
 179 #define SWM_D_PROP              0x0080
 180 #define SWM_D_CLASS             0x0100
 181 #define SWM_D_KEY               0x0200
 182 #define SWM_D_QUIRK             0x0400
 183 #define SWM_D_SPAWN             0x0800
 184 #define SWM_D_EVENTQ            0x1000
 185 #define SWM_D_CONF              0x2000
 186 #define SWM_D_BAR               0x4000
 187 #define SWM_D_INIT              0x8000
 188
 189 u_int32_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 /* convert 8-bit to 16-bit */
 213 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 214
 215 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 216         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 217         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 218         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 219         xrc.alpha = 0xffff;
 220
 221 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 222 #define MODKEY                  XCB_MOD_MASK_1
 223 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 224 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 225     XCB_EVENT_MASK_BUTTON_RELEASE)
 226 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 227 #define SWM_PROPLEN             (16)
 228 #define SWM_FUNCNAME_LEN        (32)
 229 #define SWM_KEYS_LEN            (255)
 230 #define SWM_QUIRK_LEN           (64)
 231 #define X(r)                    (r)->g.x
 232 #define Y(r)                    (r)->g.y
 233 #define WIDTH(r)                (r)->g.w
 234 #define HEIGHT(r)               (r)->g.h
 235 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 236 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 237 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 238 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 239 #define SH_MIN_W(w)             (w)->sh.min_width
 240 #define SH_MIN_H(w)             (w)->sh.min_height
 241 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 242 #define SH_MAX_W(w)             (w)->sh.max_width
 243 #define SH_MAX_H(w)             (w)->sh.max_height
 244 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 245 #define SH_INC_W(w)             (w)->sh.width_inc
 246 #define SH_INC_H(w)             (w)->sh.height_inc
 247 #define SWM_MAX_FONT_STEPS      (3)
 248 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 249 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 250 #define YESNO(x)                ((x) ? "yes" : "no")
 251
 252 /* Constrain Window flags */
 253 #define SWM_CW_RESIZABLE        (0x01)
 254 #define SWM_CW_SOFTBOUNDARY     (0x02)
 255 #define SWM_CW_HARDBOUNDARY     (0x04)
 256 #define SWM_CW_RIGHT            (0x10)
 257 #define SWM_CW_LEFT             (0x20)
 258 #define SWM_CW_BOTTOM           (0x40)
 259 #define SWM_CW_TOP              (0x80)
 260 #define SWM_CW_ALLSIDES         (0xf0)
 261
 262 #define SWM_FOCUS_DEFAULT       (0)
 263 #define SWM_FOCUS_FOLLOW        (1)
 264 #define SWM_FOCUS_MANUAL        (2)
 265
 266 #define SWM_CK_NONE             0
 267 #define SWM_CK_ALL              0xf
 268 #define SWM_CK_FOCUS            0x1
 269 #define SWM_CK_POINTER          0x2
 270 #define SWM_CK_FALLBACK         0x4
 271 #define SWM_CK_REGION           0x8
 272
 273 #define SWM_CONF_DEFAULT        (0)
 274 #define SWM_CONF_KEYMAPPING     (1)
 275
 276 #ifndef SWM_LIB
 277 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 278 #endif
 279
 280 char                    **start_argv;
 281 xcb_atom_t              a_state;
 282 xcb_atom_t              a_prot;
 283 xcb_atom_t              a_delete;
 284 xcb_atom_t              a_takefocus;
 285 xcb_atom_t              a_utf8_string;
 286 xcb_atom_t              a_swm_iconic;
 287 xcb_atom_t              a_swm_ws;
 288 volatile sig_atomic_t   running = 1;
 289 volatile sig_atomic_t   restart_wm = 0;
 290 xcb_timestamp_t         last_event_time = 0;
 291 int                     outputs = 0;
 292 int                     other_wm;
 293 int                     xrandr_support;
 294 int                     xrandr_eventbase;
 295 unsigned int            numlockmask = 0;
 296
 297 Display                 *display;
 298 xcb_connection_t        *conn;
 299 xcb_key_symbols_t       *syms;
 300
 301 int                     boundary_width = 50;
 302 int                     cycle_empty = 0;
 303 int                     cycle_visible = 0;
 304 int                     term_width = 0;
 305 int                     font_adjusted = 0;
 306 unsigned int            mod_key = MODKEY;
 307
 308 /* dmenu search */
 309 struct swm_region       *search_r;
 310 int                     select_list_pipe[2];
 311 int                     select_resp_pipe[2];
 312 pid_t                   searchpid;
 313 volatile sig_atomic_t   search_resp;
 314 int                     search_resp_action;
 315
 316 struct search_window {
 317         TAILQ_ENTRY(search_window)      entry;
 318         int                             idx;
 319         struct ws_win                   *win;
 320         xcb_gcontext_t                  gc;
 321         xcb_window_t                    indicator;
 322 };
 323 TAILQ_HEAD(search_winlist, search_window);
 324 struct search_winlist                   search_wl;
 325
 326 /* search actions */
 327 enum {
 328         SWM_SEARCH_NONE,
 329         SWM_SEARCH_UNICONIFY,
 330         SWM_SEARCH_NAME_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WORKSPACE,
 332         SWM_SEARCH_SEARCH_WINDOW
 333 };
 334
 335 #define SWM_STACK_TOP           (0)
 336 #define SWM_STACK_BOTTOM        (1)
 337 #define SWM_STACK_ABOVE         (2)
 338 #define SWM_STACK_BELOW         (3)
 339
 340 /* dialog windows */
 341 double                  dialog_ratio = 0.6;
 342 /* status bar */
 343 #define SWM_BAR_MAX             (256)
 344 #define SWM_BAR_JUSTIFY_LEFT    (0)
 345 #define SWM_BAR_JUSTIFY_CENTER  (1)
 346 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 347 #define SWM_BAR_OFFSET          (4)
 348 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*,"\
 349                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"\
 350                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"\
 351                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"\
 352                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 353
 354 #ifdef X_HAVE_UTF8_STRING
 355 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 356 #else
 357 #define DRAWSTRING(x...)        XmbDrawString(x)
 358 #endif
 359
 360 char            *bar_argv[] = { NULL, NULL };
 361 int              bar_pipe[2];
 362 char             bar_ext[SWM_BAR_MAX];
 363 char             bar_ext_buf[SWM_BAR_MAX];
 364 char             bar_vertext[SWM_BAR_MAX];
 365 int              bar_version = 0;
 366 int              bar_enabled = 1;
 367 int              bar_border_width = 1;
 368 int              bar_at_bottom = 0;
 369 int              bar_extra = 0;
 370 int              bar_verbose = 1;
 371 int              bar_height = 0;
 372 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 373 char             *bar_format = NULL;
 374 int              stack_enabled = 1;
 375 int              clock_enabled = 1;
 376 int              iconic_enabled = 0;
 377 int              urgent_enabled = 0;
 378 char            *clock_format = NULL;
 379 int              window_class_enabled = 0;
 380 int              window_instance_enabled = 0;
 381 int              window_name_enabled = 0;
 382 int              focus_mode = SWM_FOCUS_DEFAULT;
 383 int              focus_close = SWM_STACK_BELOW;
 384 int              focus_close_wrap = 1;
 385 int              focus_default = SWM_STACK_TOP;
 386 int              spawn_position = SWM_STACK_TOP;
 387 int              disable_border = 0;
 388 int              border_width = 1;
 389 int              region_padding = 0;
 390 int              tile_gap = 0;
 391 int              verbose_layout = 0;
 392 time_t           time_started;
 393 pid_t            bar_pid;
 394 XFontSet         bar_fs;
 395 XFontSetExtents *bar_fs_extents;
 396 XftFont         *bar_font;
 397 int              bar_font_legacy = 1;
 398 char            *bar_fonts;
 399 XftColor         bar_font_color;
 400 struct passwd   *pwd;
 401 char            *startup_exception;
 402 unsigned int     nr_exceptions = 0;
 403
 404 /* layout manager data */
 405 struct swm_geometry {
 406         int                     x;
 407         int                     y;
 408         int                     w;
 409         int                     h;
 410 };
 411
 412 struct swm_screen;
 413 struct workspace;
 414
 415 struct swm_bar {
 416         xcb_window_t            id;
 417         xcb_pixmap_t            buffer;
 418         struct swm_geometry     g;
 419 };
 420
 421 /* virtual "screens" */
 422 struct swm_region {
 423         TAILQ_ENTRY(swm_region) entry;
 424         xcb_window_t            id;
 425         struct swm_geometry     g;
 426         struct workspace        *ws;    /* current workspace on this region */
 427         struct workspace        *ws_prior; /* prior workspace on this region */
 428         struct swm_screen       *s;     /* screen idx */
 429         struct swm_bar          *bar;
 430 };
 431 TAILQ_HEAD(swm_region_list, swm_region);
 432
 433 struct ws_win {
 434         TAILQ_ENTRY(ws_win)     entry;
 435         xcb_window_t            id;
 436         xcb_window_t            transient;
 437         struct ws_win           *focus_child;   /* focus on child transient */
 438         struct swm_geometry     g;              /* current geometry */
 439         struct swm_geometry     g_float;        /* region coordinates */
 440         int                     g_floatvalid;   /* g_float geometry validity */
 441         int                     floatmaxed;     /* whether maxed by max_stack */
 442         int                     floating;
 443         int                     manual;
 444         int32_t                 mapped;
 445         int32_t                 iconic;
 446         int                     bordered;
 447         unsigned int            ewmh_flags;
 448         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 449         int                     font_steps;
 450         int                     last_inc;
 451         int                     can_delete;
 452         int                     take_focus;
 453         int                     java;
 454         unsigned long           quirks;
 455         struct workspace        *ws;    /* always valid */
 456         struct swm_screen       *s;     /* always valid, never changes */
 457         xcb_size_hints_t        sh;
 458         xcb_icccm_get_wm_class_reply_t  ch;
 459         xcb_icccm_wm_hints_t    hints;
 460 };
 461 TAILQ_HEAD(ws_win_list, ws_win);
 462
 463 /* pid goo */
 464 struct pid_e {
 465         TAILQ_ENTRY(pid_e)      entry;
 466         pid_t                   pid;
 467         int                     ws;
 468 };
 469 TAILQ_HEAD(pid_list, pid_e);
 470 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 471
 472 /* layout handlers */
 473 void    stack(void);
 474 void    vertical_config(struct workspace *, int);
 475 void    vertical_stack(struct workspace *, struct swm_geometry *);
 476 void    horizontal_config(struct workspace *, int);
 477 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 478 void    max_stack(struct workspace *, struct swm_geometry *);
 479 void    plain_stacker(struct workspace *);
 480 void    fancy_stacker(struct workspace *);
 481
 482 struct layout {
 483         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 484         void            (*l_config)(struct workspace *, int);
 485         u_int32_t       flags;
 486 #define SWM_L_FOCUSPREV         (1<<0)
 487 #define SWM_L_MAPONFOCUS        (1<<1)
 488         void            (*l_string)(struct workspace *);
 489 } layouts[] =  {
 490         /* stack,               configure */
 491         { vertical_stack,       vertical_config,        0,      plain_stacker },
 492         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 493         { max_stack,            NULL,
 494           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 495         { NULL,                 NULL,                   0,      NULL  },
 496 };
 497
 498 /* position of max_stack mode in the layouts array, index into layouts! */
 499 #define SWM_V_STACK             (0)
 500 #define SWM_H_STACK             (1)
 501 #define SWM_MAX_STACK           (2)
 502
 503 #define SWM_H_SLICE             (32)
 504 #define SWM_V_SLICE             (32)
 505
 506 /* define work spaces */
 507 struct workspace {
 508         int                     idx;            /* workspace index */
 509         char                    *name;          /* workspace name */
 510         int                     always_raise;   /* raise windows on focus */
 511         int                     bar_enabled;    /* bar visibility */
 512         struct layout           *cur_layout;    /* current layout handlers */
 513         struct ws_win           *focus;         /* may be NULL */
 514         struct ws_win           *focus_prev;    /* may be NULL */
 515         struct ws_win           *focus_pending; /* may be NULL */
 516         struct swm_region       *r;             /* may be NULL */
 517         struct swm_region       *old_r;         /* may be NULL */
 518         struct ws_win_list      winlist;        /* list of windows in ws */
 519         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 520         char                    stacker[10];    /* display stacker and layout */
 521
 522         /* stacker state */
 523         struct {
 524                                 int horizontal_msize;
 525                                 int horizontal_mwin;
 526                                 int horizontal_stacks;
 527                                 int horizontal_flip;
 528                                 int vertical_msize;
 529                                 int vertical_mwin;
 530                                 int vertical_stacks;
 531                                 int vertical_flip;
 532         } l_state;
 533 };
 534
 535 enum {
 536         SWM_S_COLOR_BAR,
 537         SWM_S_COLOR_BAR_BORDER,
 538         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 539         SWM_S_COLOR_BAR_FONT,
 540         SWM_S_COLOR_FOCUS,
 541         SWM_S_COLOR_UNFOCUS,
 542         SWM_S_COLOR_MAX
 543 };
 544
 545 /* physical screen mapping */
 546 #define SWM_WS_MAX              (22)    /* hard limit */
 547 int             workspace_limit = 10;   /* soft limit */
 548
 549 struct swm_screen {
 550         int                     idx;    /* screen index */
 551         struct swm_region_list  rl;     /* list of regions on this screen */
 552         struct swm_region_list  orl;    /* list of old regions */
 553         xcb_window_t            root;
 554         struct workspace        ws[SWM_WS_MAX];
 555         struct swm_region       *r_focus;
 556
 557         /* colors */
 558         struct {
 559                 uint32_t        pixel;
 560                 char            *name;
 561         } c[SWM_S_COLOR_MAX];
 562
 563         xcb_gcontext_t          bar_gc;
 564         GC                      bar_gc_legacy;
 565 };
 566 struct swm_screen       *screens;
 567
 568 /* args to functions */
 569 union arg {
 570         int                     id;
 571 #define SWM_ARG_ID_FOCUSNEXT    (0)
 572 #define SWM_ARG_ID_FOCUSPREV    (1)
 573 #define SWM_ARG_ID_FOCUSMAIN    (2)
 574 #define SWM_ARG_ID_FOCUSURGENT  (3)
 575 #define SWM_ARG_ID_SWAPNEXT     (10)
 576 #define SWM_ARG_ID_SWAPPREV     (11)
 577 #define SWM_ARG_ID_SWAPMAIN     (12)
 578 #define SWM_ARG_ID_MOVELAST     (13)
 579 #define SWM_ARG_ID_MASTERSHRINK (20)
 580 #define SWM_ARG_ID_MASTERGROW   (21)
 581 #define SWM_ARG_ID_MASTERADD    (22)
 582 #define SWM_ARG_ID_MASTERDEL    (23)
 583 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 584 #define SWM_ARG_ID_STACKRESET   (30)
 585 #define SWM_ARG_ID_STACKINIT    (31)
 586 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 587 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 588 #define SWM_ARG_ID_CYCLERG_UP   (42)
 589 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 590 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 591 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 593 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 594 #define SWM_ARG_ID_STACKINC     (50)
 595 #define SWM_ARG_ID_STACKDEC     (51)
 596 #define SWM_ARG_ID_SS_ALL       (60)
 597 #define SWM_ARG_ID_SS_WINDOW    (61)
 598 #define SWM_ARG_ID_DONTCENTER   (70)
 599 #define SWM_ARG_ID_CENTER       (71)
 600 #define SWM_ARG_ID_KILLWINDOW   (80)
 601 #define SWM_ARG_ID_DELETEWINDOW (81)
 602 #define SWM_ARG_ID_WIDTHGROW    (90)
 603 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 604 #define SWM_ARG_ID_HEIGHTGROW   (92)
 605 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 606 #define SWM_ARG_ID_MOVEUP       (100)
 607 #define SWM_ARG_ID_MOVEDOWN     (101)
 608 #define SWM_ARG_ID_MOVELEFT     (102)
 609 #define SWM_ARG_ID_MOVERIGHT    (103)
 610 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 611 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 612         char                    **argv;
 613 };
 614
 615 /* quirks */
 616 struct quirk {
 617         TAILQ_ENTRY(quirk)      entry;
 618         char                    *class;         /* WM_CLASS:class */
 619         char                    *instance;      /* WM_CLASS:instance */
 620         char                    *name;          /* WM_NAME */
 621         regex_t                 regex_class;
 622         regex_t                 regex_instance;
 623         regex_t                 regex_name;
 624         unsigned long           quirk;
 625 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 626 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 627 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 628 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 629 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 630 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 631 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 632 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 633 };
 634 TAILQ_HEAD(quirk_list, quirk);
 635 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 636
 637 /*
 638  * Supported EWMH hints should be added to
 639  * both the enum and the ewmh array
 640  */
 641 enum {
 642         _NET_ACTIVE_WINDOW,
 643         _NET_CLOSE_WINDOW,
 644         _NET_MOVERESIZE_WINDOW,
 645         _NET_WM_ACTION_ABOVE,
 646         _NET_WM_ACTION_CLOSE,
 647         _NET_WM_ACTION_FULLSCREEN,
 648         _NET_WM_ACTION_MOVE,
 649         _NET_WM_ACTION_RESIZE,
 650         _NET_WM_ALLOWED_ACTIONS,
 651         _NET_WM_NAME,
 652         _NET_WM_STATE,
 653         _NET_WM_STATE_ABOVE,
 654         _NET_WM_STATE_FULLSCREEN,
 655         _NET_WM_STATE_HIDDEN,
 656         _NET_WM_STATE_MAXIMIZED_HORZ,
 657         _NET_WM_STATE_MAXIMIZED_VERT,
 658         _NET_WM_STATE_SKIP_PAGER,
 659         _NET_WM_STATE_SKIP_TASKBAR,
 660         _NET_WM_WINDOW_TYPE,
 661         _NET_WM_WINDOW_TYPE_DIALOG,
 662         _NET_WM_WINDOW_TYPE_DOCK,
 663         _NET_WM_WINDOW_TYPE_NORMAL,
 664         _NET_WM_WINDOW_TYPE_SPLASH,
 665         _NET_WM_WINDOW_TYPE_TOOLBAR,
 666         _NET_WM_WINDOW_TYPE_UTILITY,
 667         _SWM_WM_STATE_MANUAL,
 668         SWM_EWMH_HINT_MAX
 669 };
 670
 671 struct ewmh_hint {
 672         char            *name;
 673         xcb_atom_t      atom;
 674 } ewmh[SWM_EWMH_HINT_MAX] =     {
 675         /* must be in same order as in the enum */
 676         {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 677         {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 678         {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 679         {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 680         {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 681         {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 682         {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 683         {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 684         {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 685         {"_NET_WM_NAME", XCB_ATOM_NONE},
 686         {"_NET_WM_STATE", XCB_ATOM_NONE},
 687         {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 688         {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 689         {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 690         {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 691         {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 692         {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 693         {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 694         {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 695         {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 696         {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 697         {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 698         {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 699         {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 700         {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 701         {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 702 };
 703
 704 /* Cursors */
 705 enum {
 706         XC_FLEUR,
 707         XC_LEFT_PTR,
 708         XC_BOTTOM_LEFT_CORNER,
 709         XC_BOTTOM_RIGHT_CORNER,
 710         XC_SIZING,
 711         XC_TOP_LEFT_CORNER,
 712         XC_TOP_RIGHT_CORNER,
 713         XC_MAX
 714 };
 715
 716 struct cursors {
 717         char            *name; /* Name used by Xcursor .*/
 718         uint8_t         cf_char; /* cursorfont index. */
 719         xcb_cursor_t    cid;
 720 } cursors[XC_MAX] =     {
 721         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 722         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 723         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 724         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 725         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 726         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 727         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 728 };
 729
 730 #define SWM_SPAWN_OPTIONAL              0x1
 731
 732 /* spawn */
 733 struct spawn_prog {
 734         TAILQ_ENTRY(spawn_prog) entry;
 735         char                    *name;
 736         int                     argc;
 737         char                    **argv;
 738         int                     flags;
 739 };
 740 TAILQ_HEAD(spawn_list, spawn_prog);
 741 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 742
 743 /* user/key callable function IDs */
 744 enum keyfuncid {
 745         KF_BAR_TOGGLE,
 746         KF_BAR_TOGGLE_WS,
 747         KF_BUTTON2,
 748         KF_CYCLE_LAYOUT,
 749         KF_FLIP_LAYOUT,
 750         KF_FLOAT_TOGGLE,
 751         KF_FOCUS_MAIN,
 752         KF_FOCUS_NEXT,
 753         KF_FOCUS_PREV,
 754         KF_FOCUS_URGENT,
 755         KF_HEIGHT_GROW,
 756         KF_HEIGHT_SHRINK,
 757         KF_ICONIFY,
 758         KF_MASTER_SHRINK,
 759         KF_MASTER_GROW,
 760         KF_MASTER_ADD,
 761         KF_MASTER_DEL,
 762         KF_MOVE_DOWN,
 763         KF_MOVE_LEFT,
 764         KF_MOVE_RIGHT,
 765         KF_MOVE_UP,
 766         KF_MVRG_1,
 767         KF_MVRG_2,
 768         KF_MVRG_3,
 769         KF_MVRG_4,
 770         KF_MVRG_5,
 771         KF_MVRG_6,
 772         KF_MVRG_7,
 773         KF_MVRG_8,
 774         KF_MVRG_9,
 775         KF_MVWS_1,
 776         KF_MVWS_2,
 777         KF_MVWS_3,
 778         KF_MVWS_4,
 779         KF_MVWS_5,
 780         KF_MVWS_6,
 781         KF_MVWS_7,
 782         KF_MVWS_8,
 783         KF_MVWS_9,
 784         KF_MVWS_10,
 785         KF_MVWS_11,
 786         KF_MVWS_12,
 787         KF_MVWS_13,
 788         KF_MVWS_14,
 789         KF_MVWS_15,
 790         KF_MVWS_16,
 791         KF_MVWS_17,
 792         KF_MVWS_18,
 793         KF_MVWS_19,
 794         KF_MVWS_20,
 795         KF_MVWS_21,
 796         KF_MVWS_22,
 797         KF_NAME_WORKSPACE,
 798         KF_QUIT,
 799         KF_RAISE_TOGGLE,
 800         KF_RESTART,
 801         KF_RG_1,
 802         KF_RG_2,
 803         KF_RG_3,
 804         KF_RG_4,
 805         KF_RG_5,
 806         KF_RG_6,
 807         KF_RG_7,
 808         KF_RG_8,
 809         KF_RG_9,
 810         KF_RG_NEXT,
 811         KF_RG_PREV,
 812         KF_SCREEN_NEXT,
 813         KF_SCREEN_PREV,
 814         KF_SEARCH_WIN,
 815         KF_SEARCH_WORKSPACE,
 816         KF_SPAWN_CUSTOM,
 817         KF_STACK_INC,
 818         KF_STACK_DEC,
 819         KF_STACK_RESET,
 820         KF_SWAP_MAIN,
 821         KF_SWAP_NEXT,
 822         KF_SWAP_PREV,
 823         KF_UNICONIFY,
 824         KF_VERSION,
 825         KF_WIDTH_GROW,
 826         KF_WIDTH_SHRINK,
 827         KF_WIND_DEL,
 828         KF_WIND_KILL,
 829         KF_WS_1,
 830         KF_WS_2,
 831         KF_WS_3,
 832         KF_WS_4,
 833         KF_WS_5,
 834         KF_WS_6,
 835         KF_WS_7,
 836         KF_WS_8,
 837         KF_WS_9,
 838         KF_WS_10,
 839         KF_WS_11,
 840         KF_WS_12,
 841         KF_WS_13,
 842         KF_WS_14,
 843         KF_WS_15,
 844         KF_WS_16,
 845         KF_WS_17,
 846         KF_WS_18,
 847         KF_WS_19,
 848         KF_WS_20,
 849         KF_WS_21,
 850         KF_WS_22,
 851         KF_WS_NEXT,
 852         KF_WS_NEXT_ALL,
 853         KF_WS_NEXT_MOVE,
 854         KF_WS_PREV,
 855         KF_WS_PREV_ALL,
 856         KF_WS_PREV_MOVE,
 857         KF_WS_PRIOR,
 858         KF_DUMPWINS, /* MUST BE LAST */
 859         KF_INVALID
 860 };
 861
 862 struct key {
 863         RB_ENTRY(key)   entry;
 864         unsigned int    mod;
 865         KeySym          keysym;
 866         enum keyfuncid  funcid;
 867         char            *spawn_name;
 868 };
 869 RB_HEAD(key_tree, key);
 870
 871 /* function prototypes */
 872 void    adjust_font(struct ws_win *);
 873 char    *argsep(char **);
 874 void    bar_cleanup(struct swm_region *);
 875 void    bar_extra_setup(void);
 876 void    bar_extra_stop(void);
 877 int     bar_extra_update(void);
 878 void    bar_fmt(const char *, char *, struct swm_region *, size_t);
 879 void    bar_fmt_expand(char *, size_t);
 880 void    bar_draw(void);
 881 void    bar_print(struct swm_region *, const char *);
 882 void    bar_print_legacy(struct swm_region *, const char *);
 883 void    bar_replace(char *, char *, struct swm_region *, size_t);
 884 void    bar_replace_pad(char *, int *, size_t);
 885 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 886 void    bar_setup(struct swm_region *);
 887 void    bar_toggle(struct swm_region *, union arg *);
 888 void    bar_urgent(char *, size_t);
 889 void    bar_window_class(char *, size_t, struct swm_region *);
 890 void    bar_window_class_instance(char *, size_t, struct swm_region *);
 891 void    bar_window_float(char *, size_t, struct swm_region *);
 892 void    bar_window_instance(char *, size_t, struct swm_region *);
 893 void    bar_window_name(char *, size_t, struct swm_region *);
 894 void    bar_workspace_name(char *, size_t, struct swm_region *);
 895 void    buttonpress(xcb_button_press_event_t *);
 896 void    check_conn(void);
 897 void    clear_keys(void);
 898 void    clientmessage(xcb_client_message_event_t *);
 899 void    client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 900 int     conf_load(const char *, int);
 901 void    configurenotify(xcb_configure_notify_event_t *);
 902 void    configurerequest(xcb_configure_request_event_t *);
 903 void    config_win(struct ws_win *, xcb_configure_request_event_t *);
 904 void    constrain_window(struct ws_win *, struct swm_geometry *, int *);
 905 int     count_win(struct workspace *, int);
 906 void    cursors_cleanup(void);
 907 void    cursors_load(void);
 908 void    custom_region(const char *);
 909 void    cyclerg(struct swm_region *, union arg *);
 910 void    cyclews(struct swm_region *, union arg *);
 911 void    cycle_layout(struct swm_region *, union arg *);
 912 void    destroynotify(xcb_destroy_notify_event_t *);
 913 void    dumpwins(struct swm_region *, union arg *);
 914 int     enable_wm(void);
 915 void    enternotify(xcb_enter_notify_event_t *);
 916 void    event_drain(uint8_t);
 917 void    event_error(xcb_generic_error_t *);
 918 void    event_handle(xcb_generic_event_t *);
 919 void    ewmh_autoquirk(struct ws_win *);
 920 void    ewmh_get_win_state(struct ws_win *);
 921 int     ewmh_set_win_fullscreen(struct ws_win *, int);
 922 void    ewmh_update_actions(struct ws_win *);
 923 void    ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 924 char    *expand_tilde(const char *);
 925 void    expose(xcb_expose_event_t *);
 926 void    fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 927 void    floating_toggle(struct swm_region *, union arg *);
 928 int     floating_toggle_win(struct ws_win *);
 929 void    focus(struct swm_region *, union arg *);
 930 void    focus_flush(void);
 931 void    focus_region(struct swm_region *);
 932 void    focusrg(struct swm_region *, union arg *);
 933 void    focus_win(struct ws_win *);
 934 void    fontset_init(void);
 935 void    free_window(struct ws_win *);
 936 void    search_do_resp(void);
 937 void    search_resp_name_workspace(const char *, size_t);
 938 void    search_resp_search_window(const char *);
 939 void    search_resp_search_workspace(const char *);
 940 void    search_resp_uniconify(const char *, size_t);
 941 void    search_win(struct swm_region *, union arg *);
 942 void    search_win_cleanup(void);
 943 void    search_workspace(struct swm_region *, union arg *);
 944 void    send_to_rg(struct swm_region *, union arg *);
 945 void    send_to_ws(struct swm_region *, union arg *);
 946 void    set_region(struct swm_region *);
 947 int     setautorun(const char *, const char *, int);
 948 int     setconfbinding(const char *, const char *, int);
 949 int     setconfcolor(const char *, const char *, int);
 950 int     setconfmodkey(const char *, const char *, int);
 951 int     setconfquirk(const char *, const char *, int);
 952 int     setconfregion(const char *, const char *, int);
 953 int     setconfspawn(const char *, const char *, int);
 954 int     setconfvalue(const char *, const char *, int);
 955 void    setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
 956 int     setkeymapping(const char *, const char *, int);
 957 int     setlayout(const char *, const char *, int);
 958 void    setquirk(const char *, const char *, const char *,unsigned long);
 959 void    setscreencolor(const char *, int, int);
 960 void    setspawn(const char *, const char *, int);
 961 void    setup_ewmh(void);
 962 void    setup_globals(void);
 963 void    setup_keys(void);
 964 void    setup_quirks(void);
 965 void    setup_screens(void);
 966 void    setup_spawn(void);
 967 void    set_child_transient(struct ws_win *, xcb_window_t *);
 968 void    set_swm_iconic(struct ws_win *, int);
 969 void    set_win_state(struct ws_win *, uint16_t);
 970 void    shutdown_cleanup(void);
 971 void    sighdlr(int);
 972 void    socket_setnonblock(int);
 973 void    sort_windows(struct ws_win_list *);
 974 void    spawn(int, union arg *, int);
 975 void    spawn_custom(struct swm_region *, union arg *, const char *);
 976 int     spawn_expand(struct swm_region *, union arg *, const char *, char ***);
 977 void    spawn_insert(const char *, const char *, int);
 978 int32_t get_swm_iconic(struct ws_win *);
 979 char    *get_win_name(xcb_window_t);
 980 void    get_wm_protocols(struct ws_win *);
 981 int     get_ws_idx(xcb_window_t);
 982 void    grabbuttons(struct ws_win *);
 983 void    grabkeys(void);
 984 void    grab_windows(void);
 985 void    iconify(struct swm_region *, union arg *);
 986 int     isxlfd(char *);
 987 void    keypress(xcb_key_press_event_t *);
 988 int     key_cmp(struct key *, struct key *);
 989 void    key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 990 void    key_remove(struct key *);
 991 void    key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 992             const char *);
 993 void    kill_bar_extra_atexit(void);
 994 void    kill_refs(struct ws_win *);
 995 void    load_float_geom(struct ws_win *);
 996 void    map_window(struct ws_win *, xcb_window_t);
 997 void    mapnotify(xcb_map_notify_event_t *);
 998 void    mappingnotify(xcb_mapping_notify_event_t *);
 999 void    maprequest(xcb_map_request_event_t *);
1000 void    motionnotify(xcb_motion_notify_event_t *);
1001 void    move(struct ws_win *, union arg *);
1002 void    move_step(struct swm_region *, union arg *);
1003 uint32_t name_to_pixel(int, const char *);
1004 void    name_workspace(struct swm_region *, union arg *);
1005 void    new_region(struct swm_screen *, int, int, int, int);
1006 int     parsekeys(const char *, unsigned int, unsigned int *, KeySym *);
1007 int     parsequirks(const char *, unsigned long *);
1008 int     parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
1009 void    pressbutton(struct swm_region *, union arg *);
1010 void    priorws(struct swm_region *, union arg *);
1011 void    propertynotify(xcb_property_notify_event_t *);
1012 void    quirk_free(struct quirk *);
1013 void    quirk_insert(const char *, const char *, const char *,unsigned long);
1014 void    quirk_remove(struct quirk *);
1015 void    quirk_replace(struct quirk *, const char *, const char *, const char *,
1016             unsigned long);
1017 void    quit(struct swm_region *, union arg *);
1018 void    raise_toggle(struct swm_region *, union arg *);
1019 void    region_containment(struct ws_win *, struct swm_region *, int);
1020 void    regionize(struct ws_win *, int, int);
1021 void    resize(struct ws_win *, union arg *);
1022 void    resize_step(struct swm_region *, union arg *);
1023 void    restart(struct swm_region *, union arg *);
1024 void    screenchange(xcb_randr_screen_change_notify_event_t *);
1025 void    scan_xrandr(int);
1026 void    spawn_remove(struct spawn_prog *);
1027 void    spawn_replace(struct spawn_prog *, const char *, const char *, int);
1028 void    spawn_select(struct swm_region *, union arg *, const char *, int *);
1029 void    stack_config(struct swm_region *, union arg *);
1030 void    stack_floater(struct ws_win *, struct swm_region *);
1031 void    stack_master(struct workspace *, struct swm_geometry *, int, int);
1032 void    store_float_geom(struct ws_win *);
1033 char    *strdupsafe(const char *);
1034 void    swapwin(struct swm_region *, union arg *);
1035 void    switchws(struct swm_region *, union arg *);
1036 void    teardown_ewmh(void);
1037 void    unescape_selector(char *);
1038 void    unfocus_win(struct ws_win *);
1039 void    uniconify(struct swm_region *, union arg *);
1040 void    unmanage_window(struct ws_win *);
1041 void    unmapnotify(xcb_unmap_notify_event_t *);
1042 void    unmap_all(void);
1043 void    unmap_window(struct ws_win *);
1044 void    updatenumlockmask(void);
1045 void    update_modkey(unsigned int);
1046 void    update_window(struct ws_win *);
1047 void    validate_spawns(void);
1048 int     validate_win(struct ws_win *);
1049 int     validate_ws(struct workspace *);
1050 void    version(struct swm_region *, union arg *);
1051 void    win_to_ws(struct ws_win *, int, int);
1052 pid_t   window_get_pid(xcb_window_t);
1053 void    wkill(struct swm_region *, union arg *);
1054 void    workaround(void);
1055 void    xft_init(struct swm_region *);
1056 void    _add_startup_exception(const char *, va_list);
1057 void    add_startup_exception(const char *, ...);
1058 #ifdef SWM_DEBUG
1059 void    focusin(xcb_focus_in_event_t *);
1060 void    focusout(xcb_focus_out_event_t *);
1061 void    leavenotify(xcb_leave_notify_event_t *);
1062 void    print_win_geom(xcb_window_t);
1063 #endif
1064
1065 struct pid_e    *find_pid(pid_t);
1066 struct ws_win   *find_unmanaged_window(xcb_window_t);
1067 struct ws_win   *find_window(xcb_window_t);
1068 struct ws_win   *get_focus_magic(struct ws_win *);
1069 struct ws_win   *get_focus_prev(struct ws_win *);
1070 struct ws_win   *get_pointer_win(xcb_window_t);
1071 struct ws_win   *get_region_focus(struct swm_region *);
1072 struct ws_win   *manage_window(xcb_window_t, uint16_t);
1073 int             get_region_index(struct swm_region *);
1074 xcb_atom_t      get_atom_from_string(const char *);
1075 xcb_screen_t    *get_screen(int);
1076 xcb_window_t    get_sibling(struct ws_win *, int);
1077 int             get_screen_count(void);
1078 uint32_t        getstate(xcb_window_t);
1079 struct key      *key_lookup(unsigned int, KeySym);
1080 #ifdef SWM_DEBUG
1081 char            *get_atom_name(xcb_atom_t);
1082 char            *get_notify_detail_label(uint8_t);
1083 char            *get_notify_mode_label(uint8_t);
1084 char            *get_stack_mode_name(uint8_t);
1085 #endif
1086
1087 struct swm_region       *region_under(struct swm_screen *, int, int);
1088 struct swm_region       *root_to_region(xcb_window_t, int);
1089 struct spawn_prog       *spawn_find(const char *);
1090
1091 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1092 RB_GENERATE(key_tree, key, entry, key_cmp);
1093 struct key_tree         keys;
1094
1095 void
1096 cursors_load(void)
1097 {
1098         xcb_font_t      cf = XCB_NONE;
1099         int             i;
1100
1101         for (i = 0; i < LENGTH(cursors); ++i) {
1102                 /* try to load Xcursor first. */
1103                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1104                     cursors[i].name);
1105
1106                 /* fallback to cursorfont. */
1107                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1108                         if (cf == XCB_NONE) {
1109                                 cf = xcb_generate_id(conn);
1110                                 xcb_open_font(conn, cf, strlen("cursor"),
1111                                     "cursor");
1112                         }
1113
1114                         cursors[i].cid = xcb_generate_id(conn);
1115                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1116                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1117                             0xffff, 0xffff, 0xffff);
1118
1119                 }
1120         }
1121
1122         if (cf != XCB_NONE)
1123                 xcb_close_font(conn, cf);
1124 }
1125
1126 void
1127 cursors_cleanup(void)
1128 {
1129         int     i;
1130         for (i = 0; i < LENGTH(cursors); ++i)
1131                 xcb_free_cursor(conn, cursors[i].cid);
1132 }
1133
1134 char *
1135 expand_tilde(const char *s)
1136 {
1137         struct passwd           *ppwd;
1138         int                     i;
1139         long                    max;
1140         char                    *user;
1141         const char              *sc = s;
1142         char                    *result;
1143
1144         if (s == NULL)
1145                 errx(1, "expand_tilde: NULL string.");
1146
1147         if (s[0] != '~') {
1148                 result = strdup(sc);
1149                 goto out;
1150         }
1151
1152         ++s;
1153
1154         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1155                 errx(1, "expand_tilde: sysconf");
1156
1157         if ((user = calloc(1, max + 1)) == NULL)
1158                 errx(1, "expand_tilde: calloc");
1159
1160         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1161                 user[i] = s[i];
1162         user[i] = '\0';
1163         s = &s[i];
1164
1165         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1166         free(user);
1167
1168         if (ppwd == NULL)
1169                 result = strdup(sc);
1170         else
1171                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1172                         result = NULL;
1173 out:
1174         if (result == NULL)
1175                 errx(1, "expand_tilde: failed to allocate memory.");
1176
1177         return result;
1178 }
1179
1180 int
1181 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1182 {
1183         unsigned int    tmpr, tmpg, tmpb;
1184
1185         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1186                 return (-1);
1187
1188         *rr = RGB_8_TO_16(tmpr);
1189         *gg = RGB_8_TO_16(tmpg);
1190         *bb = RGB_8_TO_16(tmpb);
1191
1192         return (0);
1193 }
1194
1195 xcb_screen_t *
1196 get_screen(int screen)
1197 {
1198         const xcb_setup_t       *r;
1199         xcb_screen_iterator_t   iter;
1200
1201         if ((r = xcb_get_setup(conn)) == NULL) {
1202                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1203                 check_conn();
1204         }
1205
1206         iter = xcb_setup_roots_iterator(r);
1207         for (; iter.rem; --screen, xcb_screen_next(&iter))
1208                 if (screen == 0)
1209                         return (iter.data);
1210
1211         return (NULL);
1212 }
1213
1214 int
1215 get_screen_count(void)
1216 {
1217         const xcb_setup_t       *r;
1218
1219         if ((r = xcb_get_setup(conn)) == NULL) {
1220                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1221                 check_conn();
1222         }
1223
1224         return xcb_setup_roots_length(r);
1225 }
1226
1227 int
1228 get_region_index(struct swm_region *r)
1229 {
1230         struct swm_region       *rr;
1231         int                      ridx = 0;
1232
1233         if (r == NULL)
1234                 return -1;
1235
1236         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1237                 if (rr == r)
1238                         break;
1239                 ++ridx;
1240         }
1241
1242         if (rr == NULL)
1243                 return -1;
1244
1245         return ridx;
1246 }
1247
1248 void
1249 focus_flush(void)
1250 {
1251         if (focus_mode == SWM_FOCUS_DEFAULT)
1252                 event_drain(XCB_ENTER_NOTIFY);
1253         else
1254                 xcb_flush(conn);
1255 }
1256
1257 xcb_atom_t
1258 get_atom_from_string(const char *str)
1259 {
1260         xcb_intern_atom_cookie_t        c;
1261         xcb_intern_atom_reply_t         *r;
1262         xcb_atom_t                      atom;
1263
1264         c = xcb_intern_atom(conn, 0, strlen(str), str);
1265         r = xcb_intern_atom_reply(conn, c, NULL);
1266         if (r) {
1267                 atom = r->atom;
1268                 free(r);
1269
1270                 return (atom);
1271         }
1272
1273         return (XCB_ATOM_NONE);
1274 }
1275
1276 void
1277 get_wm_protocols(struct ws_win *win) {
1278         int                             i;
1279         xcb_icccm_get_wm_protocols_reply_t      wpr;
1280
1281         if (xcb_icccm_get_wm_protocols_reply(conn,
1282             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
1283             &wpr, NULL)) {
1284                 for (i = 0; i < (int)wpr.atoms_len; i++) {
1285                         if (wpr.atoms[i] == a_takefocus)
1286                                 win->take_focus = 1;
1287                         if (wpr.atoms[i] == a_delete)
1288                                 win->can_delete = 1;
1289                 }
1290                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
1291         }
1292 }
1293
1294 void
1295 set_swm_iconic(struct ws_win *win, int newv)
1296 {
1297         int32_t                         v = newv;
1298
1299         win->iconic = newv;
1300
1301         if (newv)
1302                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1303                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1304         else
1305                 xcb_delete_property(conn, win->id, a_swm_iconic);
1306 }
1307
1308 int32_t
1309 get_swm_iconic(struct ws_win *win)
1310 {
1311         int32_t                         v = 0;
1312         xcb_get_property_reply_t        *pr = NULL;
1313
1314         pr = xcb_get_property_reply(conn,
1315             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1316             XCB_ATOM_INTEGER, 0, 1), NULL);
1317         if (pr == NULL)
1318                 goto out;
1319         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1320                 goto out;
1321         v = *((int32_t *)xcb_get_property_value(pr));
1322 out:
1323         if (pr)
1324                 free(pr);
1325         return (v);
1326 }
1327
1328 void
1329 setup_ewmh(void)
1330 {
1331         xcb_atom_t                      sup_list;
1332         int                             i, j, num_screens;
1333
1334         sup_list = get_atom_from_string("_NET_SUPPORTED");
1335
1336         for (i = 0; i < LENGTH(ewmh); i++)
1337                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1338
1339         num_screens = get_screen_count();
1340         for (i = 0; i < num_screens; i++) {
1341                 /* Support check window will be created by workaround(). */
1342
1343                 /* Report supported atoms */
1344                 xcb_delete_property(conn, screens[i].root, sup_list);
1345                 for (j = 0; j < LENGTH(ewmh); j++)
1346                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1347                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1348                             &ewmh[j].atom);
1349         }
1350 }
1351
1352 void
1353 teardown_ewmh(void)
1354 {
1355         int                             i, num_screens;
1356         xcb_atom_t                      sup_check, sup_list;
1357         xcb_window_t                    id;
1358         xcb_get_property_cookie_t       pc;
1359         xcb_get_property_reply_t        *pr;
1360
1361         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1362         sup_list = get_atom_from_string("_NET_SUPPORTED");
1363         num_screens = get_screen_count();
1364
1365         for (i = 0; i < num_screens; i++) {
1366                 /* Get the support check window and destroy it */
1367                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1368                     XCB_ATOM_WINDOW, 0, 1);
1369                 pr = xcb_get_property_reply(conn, pc, NULL);
1370                 if (pr == NULL)
1371                         continue;
1372                 if (pr->format == sup_check) {
1373                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1374
1375                         xcb_destroy_window(conn, id);
1376                         xcb_delete_property(conn, screens[i].root, sup_check);
1377                         xcb_delete_property(conn, screens[i].root, sup_list);
1378                 }
1379                 free(pr);
1380         }
1381 }
1382
1383 void
1384 ewmh_autoquirk(struct ws_win *win)
1385 {
1386         uint32_t                i, n;
1387         xcb_atom_t              *type;
1388         xcb_get_property_cookie_t       c;
1389         xcb_get_property_reply_t        *r;
1390
1391         c = xcb_get_property(conn, 0, win->id,
1392             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1393         r = xcb_get_property_reply(conn, c, NULL);
1394         if (r == NULL)
1395                 return;
1396
1397         n = xcb_get_property_value_length(r);
1398         type = xcb_get_property_value(r);
1399
1400         for (i = 0; i < n; i++) {
1401                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1402                         break;
1403                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1404                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1405                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1406                         win->floating = 1;
1407                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1408                         break;
1409                 }
1410                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1411                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1412                         win->floating = 1;
1413                         win->quirks = SWM_Q_FLOAT;
1414                         break;
1415                 }
1416         }
1417         free(r);
1418 }
1419
1420 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1421 #define EWMH_F_FULLSCREEN               (1<<0)
1422 #define EWMH_F_ABOVE                    (1<<1)
1423 #define EWMH_F_HIDDEN                   (1<<2)
1424 #define EWMH_F_SKIP_PAGER               (1<<3)
1425 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1426 #define SWM_F_MANUAL                    (1<<5)
1427
1428 int
1429 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1430 {
1431         if (win->ws->r == NULL)
1432                 return (0);
1433
1434         if (!win->floating)
1435                 return (0);
1436
1437         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1438             "fullscreen %s\n", win->id, YESNO(fs));
1439
1440         if (fs) {
1441                 if (!win->g_floatvalid)
1442                         store_float_geom(win);
1443
1444                 win->g = win->ws->r->g;
1445                 win->bordered = 0;
1446         } else {
1447                 load_float_geom(win);
1448         }
1449
1450         return (1);
1451 }
1452
1453 void
1454 ewmh_update_actions(struct ws_win *win)
1455 {
1456         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1457         int                     n = 0;
1458
1459         if (win == NULL)
1460                 return;
1461
1462         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1463
1464         if (win->floating) {
1465                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1466                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1467                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1468         }
1469
1470         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1471             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1472 }
1473
1474 #define _NET_WM_STATE_REMOVE    0       /* remove/unset property */
1475 #define _NET_WM_STATE_ADD       1       /* add/set property */
1476 #define _NET_WM_STATE_TOGGLE    2       /* toggle property */
1477
1478 void
1479 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1480 {
1481         unsigned int            mask = 0;
1482         unsigned int            changed = 0;
1483         unsigned int            orig_flags;
1484
1485         if (win == NULL)
1486                 return;
1487
1488         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1489             "action: %ld\n", win->id, (unsigned long)state, action);
1490
1491         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1492                 mask = EWMH_F_FULLSCREEN;
1493         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1494                 mask = EWMH_F_ABOVE;
1495         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1496                 mask = SWM_F_MANUAL;
1497         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1498                 mask = EWMH_F_SKIP_PAGER;
1499         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1500                 mask = EWMH_F_SKIP_TASKBAR;
1501
1502         orig_flags = win->ewmh_flags;
1503
1504         switch (action) {
1505         case _NET_WM_STATE_REMOVE:
1506                 win->ewmh_flags &= ~mask;
1507                 break;
1508         case _NET_WM_STATE_ADD:
1509                 win->ewmh_flags |= mask;
1510                 break;
1511         case _NET_WM_STATE_TOGGLE:
1512                 win->ewmh_flags ^= mask;
1513                 break;
1514         }
1515
1516         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1517
1518         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1519                 if (changed && !floating_toggle_win(win))
1520                                 win->ewmh_flags = orig_flags; /* revert */
1521         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1522                 if (changed)
1523                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1524         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1525                 if (changed && !ewmh_set_win_fullscreen(win,
1526                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1527                                 win->ewmh_flags = orig_flags; /* revert */
1528         }
1529
1530         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1531
1532         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1533                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1534                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1535                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1536         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1537                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1538                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1539                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1540         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1541                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1542                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1543                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1544         else if (win->ewmh_flags & EWMH_F_ABOVE)
1545                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1546                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1547                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1548         else if (win->ewmh_flags & SWM_F_MANUAL)
1549                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1550                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1551                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1552 }
1553
1554 void
1555 ewmh_get_win_state(struct ws_win *win)
1556 {
1557         xcb_atom_t                      *states;
1558         xcb_get_property_cookie_t       c;
1559         xcb_get_property_reply_t        *r;
1560         int                             i, n;
1561
1562         if (win == NULL)
1563                 return;
1564
1565         win->ewmh_flags = 0;
1566         if (win->floating)
1567                 win->ewmh_flags |= EWMH_F_ABOVE;
1568         if (win->manual)
1569                 win->ewmh_flags |= SWM_F_MANUAL;
1570
1571         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1572             XCB_ATOM_ATOM, 0, UINT32_MAX);
1573         r = xcb_get_property_reply(conn, c, NULL);
1574         if (r == NULL)
1575                 return;
1576
1577         states = xcb_get_property_value(r);
1578         n = xcb_get_property_value_length(r);
1579
1580         for (i = 0; i < n; i++)
1581                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1582
1583         free(r);
1584 }
1585
1586 /* events */
1587 #ifdef SWM_DEBUG
1588 void
1589 dumpwins(struct swm_region *r, union arg *args)
1590 {
1591         struct ws_win                           *win;
1592         uint32_t                                state;
1593         xcb_get_window_attributes_cookie_t      c;
1594         xcb_get_window_attributes_reply_t       *wa;
1595
1596         /* suppress unused warning since var is needed */
1597         (void)args;
1598
1599         if (r->ws == NULL) {
1600                 warnx("dumpwins: invalid workspace");
1601                 return;
1602         }
1603
1604         warnx("=== managed window list ws %02d ===", r->ws->idx);
1605         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1606                 state = getstate(win->id);
1607                 c = xcb_get_window_attributes(conn, win->id);
1608                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1609                 if (wa) {
1610                         warnx("window: 0x%x, map_state: %d, state: %u, "
1611                             "transient: 0x%x", win->id, wa->map_state,
1612                             state, win->transient);
1613                         free(wa);
1614                 } else
1615                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1616                             win->id);
1617         }
1618
1619         warnx("===== unmanaged window list =====");
1620         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1621                 state = getstate(win->id);
1622                 c = xcb_get_window_attributes(conn, win->id);
1623                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1624                 if (wa) {
1625                         warnx("window: 0x%x, map_state: %d, state: %u, "
1626                             "transient: 0x%x", win->id, wa->map_state,
1627                             state, win->transient);
1628                         free(wa);
1629                 } else
1630                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1631                             win->id);
1632         }
1633
1634         warnx("=================================");
1635 }
1636 #else
1637 void
1638 dumpwins(struct swm_region *r, union arg *s)
1639 {
1640         (void)r;
1641         (void)s;
1642 }
1643 #endif /* SWM_DEBUG */
1644
1645 void
1646 sighdlr(int sig)
1647 {
1648         int                     saved_errno, status;
1649         pid_t                   pid;
1650
1651         saved_errno = errno;
1652
1653         switch (sig) {
1654         case SIGCHLD:
1655                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1656                         if (pid == -1) {
1657                                 if (errno == EINTR)
1658                                         continue;
1659 #ifdef SWM_DEBUG
1660                                 if (errno != ECHILD)
1661                                         warn("sighdlr: waitpid");
1662 #endif /* SWM_DEBUG */
1663                                 break;
1664                         }
1665                         if (pid == searchpid)
1666                                 search_resp = 1;
1667
1668 #ifdef SWM_DEBUG
1669                         if (WIFEXITED(status)) {
1670                                 if (WEXITSTATUS(status) != 0)
1671                                         warnx("sighdlr: child exit status: %d",
1672                                             WEXITSTATUS(status));
1673                         } else
1674                                 warnx("sighdlr: child is terminated "
1675                                     "abnormally");
1676 #endif /* SWM_DEBUG */
1677                 }
1678                 break;
1679
1680         case SIGHUP:
1681                 restart_wm = 1;
1682                 break;
1683         case SIGINT:
1684         case SIGTERM:
1685         case SIGQUIT:
1686                 running = 0;
1687                 break;
1688         }
1689
1690         errno = saved_errno;
1691 }
1692
1693 struct pid_e *
1694 find_pid(pid_t pid)
1695 {
1696         struct pid_e            *p = NULL;
1697
1698         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1699
1700         if (pid == 0)
1701                 return (NULL);
1702
1703         TAILQ_FOREACH(p, &pidlist, entry) {
1704                 if (p->pid == pid)
1705                         return (p);
1706         }
1707
1708         return (NULL);
1709 }
1710
1711 uint32_t
1712 name_to_pixel(int sidx, const char *colorname)
1713 {
1714         uint32_t                        result = 0;
1715         char                            cname[32] = "#";
1716         xcb_screen_t                    *screen;
1717         xcb_colormap_t                  cmap;
1718         xcb_alloc_color_reply_t         *cr;
1719         xcb_alloc_named_color_reply_t   *nr;
1720         uint16_t                        rr, gg, bb;
1721
1722         screen = get_screen(sidx);
1723         cmap = screen->default_colormap;
1724
1725         /* color is in format rgb://rr/gg/bb */
1726         if (strncmp(colorname, "rgb:", 4) == 0) {
1727                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1728                         warnx("could not parse rgb %s", colorname);
1729                 else {
1730                         cr = xcb_alloc_color_reply(conn,
1731                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1732                             NULL);
1733                         if (cr) {
1734                                 result = cr->pixel;
1735                                 free(cr);
1736                         } else
1737                                 warnx("color '%s' not found", colorname);
1738                 }
1739         } else {
1740                 nr = xcb_alloc_named_color_reply(conn,
1741                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1742                             colorname), NULL);
1743                 if (nr == NULL) {
1744                         strlcat(cname, colorname + 2, sizeof cname - 1);
1745                         nr = xcb_alloc_named_color_reply(conn,
1746                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1747                             cname), NULL);
1748                 }
1749                 if (nr) {
1750                         result = nr->pixel;
1751                         free(nr);
1752                 } else
1753                         warnx("color '%s' not found", colorname);
1754         }
1755
1756         return (result);
1757 }
1758
1759 void
1760 setscreencolor(const char *val, int i, int c)
1761 {
1762         int     num_screens;
1763
1764         num_screens = get_screen_count();
1765         if (i > 0 && i <= num_screens) {
1766                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1767                 free(screens[i - 1].c[c].name);
1768                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1769                         err(1, "strdup");
1770         } else if (i == -1) {
1771                 for (i = 0; i < num_screens; i++) {
1772                         screens[i].c[c].pixel = name_to_pixel(0, val);
1773                         free(screens[i].c[c].name);
1774                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1775                                 err(1, "strdup");
1776                 }
1777         } else
1778                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1779                     i, num_screens);
1780 }
1781
1782 void
1783 fancy_stacker(struct workspace *ws)
1784 {
1785         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1786         if (ws->cur_layout->l_stack == vertical_stack)
1787                 snprintf(ws->stacker, sizeof ws->stacker,
1788                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1789                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1790         if (ws->cur_layout->l_stack == horizontal_stack)
1791                 snprintf(ws->stacker, sizeof ws->stacker,
1792                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1793                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1794 }
1795
1796 void
1797 plain_stacker(struct workspace *ws)
1798 {
1799         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1800         if (ws->cur_layout->l_stack == vertical_stack)
1801                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1802                     sizeof ws->stacker);
1803         if (ws->cur_layout->l_stack == horizontal_stack)
1804                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1805                     sizeof ws->stacker);
1806 }
1807
1808 void
1809 custom_region(const char *val)
1810 {
1811         unsigned int                    x, y, w, h;
1812         int                             sidx, num_screens;
1813         xcb_screen_t                    *screen;
1814
1815         num_screens = get_screen_count();
1816         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1817                 errx(1, "invalid custom region, "
1818                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1819         if (sidx < 1 || sidx > num_screens)
1820                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1821                     sidx, num_screens);
1822         sidx--;
1823
1824         if ((screen = get_screen(sidx)) == NULL)
1825                 errx(1, "ERROR: can't get screen %d.", sidx);
1826
1827         if (w < 1 || h < 1)
1828                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1829
1830         if (x > screen->width_in_pixels ||
1831             y > screen->height_in_pixels ||
1832             w + x > screen->width_in_pixels ||
1833             h + y > screen->height_in_pixels) {
1834                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1835                     "boundaries (%ux%u)", w, h, x, y,
1836                     screen->width_in_pixels, screen->height_in_pixels);
1837                 return;
1838         }
1839
1840         new_region(&screens[sidx], x, y, w, h);
1841 }
1842
1843 void
1844 socket_setnonblock(int fd)
1845 {
1846         int                     flags;
1847
1848         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1849                 err(1, "fcntl F_GETFL");
1850         flags |= O_NONBLOCK;
1851         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1852                 err(1, "fcntl F_SETFL");
1853 }
1854
1855 void
1856 bar_print_legacy(struct swm_region *r, const char *s)
1857 {
1858         xcb_rectangle_t         rect;
1859         uint32_t                gcv[1];
1860         XGCValues               gcvd;
1861         int                     x = 0;
1862         size_t                  len;
1863         XRectangle              ibox, lbox;
1864         GC                      draw;
1865
1866         len = strlen(s);
1867         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1868
1869         switch (bar_justify) {
1870         case SWM_BAR_JUSTIFY_LEFT:
1871                 x = SWM_BAR_OFFSET;
1872                 break;
1873         case SWM_BAR_JUSTIFY_CENTER:
1874                 x = (WIDTH(r) - lbox.width) / 2;
1875                 break;
1876         case SWM_BAR_JUSTIFY_RIGHT:
1877                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1878                 break;
1879         }
1880
1881         if (x < SWM_BAR_OFFSET)
1882                 x = SWM_BAR_OFFSET;
1883
1884         rect.x = 0;
1885         rect.y = 0;
1886         rect.width = WIDTH(r->bar);
1887         rect.height = HEIGHT(r->bar);
1888
1889         /* clear back buffer */
1890         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1891         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1892         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1893
1894         /* draw back buffer */
1895         gcvd.graphics_exposures = 0;
1896         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1897         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1898         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1899             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1900             lbox.y, s, len);
1901         XFreeGC(display, draw);
1902
1903         /* blt */
1904         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1905             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1906 }
1907
1908 void
1909 bar_print(struct swm_region *r, const char *s)
1910 {
1911         size_t          len;
1912         xcb_rectangle_t rect;
1913         uint32_t        gcv[1];
1914         int32_t         x = 0;
1915         XGlyphInfo      info;
1916         XftDraw         *draw;
1917
1918         len = strlen(s);
1919
1920         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1921
1922         switch (bar_justify) {
1923         case SWM_BAR_JUSTIFY_LEFT:
1924                 x = SWM_BAR_OFFSET;
1925                 break;
1926         case SWM_BAR_JUSTIFY_CENTER:
1927                 x = (WIDTH(r) - info.width) / 2;
1928                 break;
1929         case SWM_BAR_JUSTIFY_RIGHT:
1930                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1931                 break;
1932         }
1933
1934         if (x < SWM_BAR_OFFSET)
1935                 x = SWM_BAR_OFFSET;
1936
1937         rect.x = 0;
1938         rect.y = 0;
1939         rect.width = WIDTH(r->bar);
1940         rect.height = HEIGHT(r->bar);
1941
1942         /* clear back buffer */
1943         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1944         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1945         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1946
1947         /* draw back buffer */
1948         draw = XftDrawCreate(display, r->bar->buffer,
1949             DefaultVisual(display, r->s->idx),
1950             DefaultColormap(display, r->s->idx));
1951
1952         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1953             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1954             (FcChar8 *)s, len);
1955
1956         XftDrawDestroy(draw);
1957
1958         /* blt */
1959         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1960             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1961 }
1962
1963 void
1964 bar_extra_stop(void)
1965 {
1966         if (bar_pipe[0]) {
1967                 close(bar_pipe[0]);
1968                 bzero(bar_pipe, sizeof bar_pipe);
1969         }
1970         if (bar_pid) {
1971                 kill(bar_pid, SIGTERM);
1972                 bar_pid = 0;
1973         }
1974         strlcpy(bar_ext, "", sizeof bar_ext);
1975         bar_extra = 0;
1976 }
1977
1978 void
1979 bar_window_class(char *s, size_t sz, struct swm_region *r)
1980 {
1981         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1982                 return;
1983         if (r->ws->focus->ch.class_name != NULL)
1984                 strlcat(s, r->ws->focus->ch.class_name, sz);
1985 }
1986
1987 void
1988 bar_window_instance(char *s, size_t sz, struct swm_region *r)
1989 {
1990         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1991                 return;
1992         if (r->ws->focus->ch.instance_name != NULL)
1993                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1994 }
1995
1996 void
1997 bar_window_class_instance(char *s, size_t sz, struct swm_region *r)
1998 {
1999         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2000                 return;
2001
2002         bar_window_class(s, sz, r);
2003         strlcat(s, ":", sz);
2004         bar_window_instance(s, sz, r);
2005 }
2006
2007 void
2008 bar_window_float(char *s, size_t sz, struct swm_region *r)
2009 {
2010         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
2011                 return;
2012         if (r->ws->focus->floating)
2013                 strlcat(s, "(f)", sz);
2014 }
2015
2016 void
2017 bar_window_name(char *s, size_t sz, struct swm_region *r)
2018 {
2019         char            *title;
2020
2021         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2022                 return;
2023
2024         title = get_win_name(r->ws->focus->id);
2025         strlcat(s, title, sz);
2026         free(title);
2027 }
2028
2029 void
2030 bar_urgent(char *s, size_t sz)
2031 {
2032         struct ws_win           *win;
2033         int                     i, j, num_screens;
2034         int                     urgent[SWM_WS_MAX];
2035         char                    b[8];
2036         xcb_get_property_cookie_t       c;
2037         xcb_icccm_wm_hints_t    hints;
2038
2039         for (i = 0; i < workspace_limit; i++)
2040                 urgent[i] = 0;
2041
2042         num_screens = get_screen_count();
2043         for (i = 0; i < num_screens; i++)
2044                 for (j = 0; j < workspace_limit; j++)
2045                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2046                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2047                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2048                                     &hints, NULL) == 0)
2049                                         continue;
2050                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2051                                         urgent[j] = 1;
2052                         }
2053
2054         for (i = 0; i < workspace_limit; i++) {
2055                 if (urgent[i])
2056                         snprintf(b, sizeof b, "%d ", i + 1);
2057                 else
2058                         snprintf(b, sizeof b, "- ");
2059                 strlcat(s, b, sz);
2060         }
2061 }
2062
2063 void
2064 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2065 {
2066         if (r == NULL || r->ws == NULL)
2067                 return;
2068         if (r->ws->name != NULL)
2069                 strlcat(s, r->ws->name, sz);
2070 }
2071
2072 /* build the default bar format according to the defined enabled options */
2073 void
2074 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2075 {
2076         struct ws_win           *w;
2077
2078         /* if format provided, just copy the buffers */
2079         if (bar_format != NULL) {
2080                 strlcpy(fmtnew, fmtexp, sz);
2081                 return;
2082         }
2083
2084         /* reset the output buffer */
2085         *fmtnew = '\0';
2086
2087         strlcat(fmtnew, "+N:+I ", sz);
2088         if (stack_enabled)
2089                 strlcat(fmtnew, "+S", sz);
2090         strlcat(fmtnew, " ", sz);
2091
2092         /* only show the workspace name if there's actually one */
2093         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2094                 strlcat(fmtnew, "<+D>", sz);
2095
2096         /* If enabled, only show the iconic count if there are iconic wins. */
2097         if (iconic_enabled && r != NULL && r->ws != NULL)
2098                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2099                         if (w->iconic) {
2100                                 strlcat(fmtnew, "{+M}", sz);
2101                                 break;
2102                         }
2103
2104         strlcat(fmtnew, "+3<", sz);
2105
2106         if (clock_enabled) {
2107                 strlcat(fmtnew, fmtexp, sz);
2108                 strlcat(fmtnew, "+4<", sz);
2109         }
2110
2111         /* bar_urgent already adds the space before the last asterisk */
2112         if (urgent_enabled)
2113                 strlcat(fmtnew, "* +U*+4<", sz);
2114
2115         if (window_class_enabled) {
2116                 strlcat(fmtnew, "+C", sz);
2117                 if (!window_instance_enabled)
2118                         strlcat(fmtnew, "+4<", sz);
2119         }
2120
2121         /* checks needed by the colon and floating strlcat(3) calls below */
2122         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2123                 if (window_instance_enabled) {
2124                         if (window_class_enabled)
2125                                 strlcat(fmtnew, ":", sz);
2126                         strlcat(fmtnew, "+T+4<", sz);
2127                 }
2128                 if (window_name_enabled) {
2129                         if (r->ws->focus->floating)
2130                                 strlcat(fmtnew, "+F ", sz);
2131                         strlcat(fmtnew, "+64W ", sz);
2132                 }
2133         }
2134
2135         /* finally add the action script output and the version */
2136         strlcat(fmtnew, "+4<+A+4<+V", sz);
2137 }
2138
2139 void
2140 bar_replace_pad(char *tmp, int *limit, size_t sz)
2141 {
2142         /* special case; no limit given, pad one space, instead */
2143         if (*limit == (int)sz - 1)
2144                 *limit = 1;
2145         snprintf(tmp, sz, "%*s", *limit, " ");
2146 }
2147
2148 /* replaces the bar format character sequences (like in tmux(1)) */
2149 char *
2150 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2151     size_t sz)
2152 {
2153         struct ws_win           *w;
2154         char                    *ptr;
2155         char                    tmp[SWM_BAR_MAX];
2156         int                     limit, size, count;
2157         size_t                  len;
2158
2159         /* reset strlcat(3) buffer */
2160         *tmp = '\0';
2161
2162         /* get number, if any */
2163         fmt++;
2164         size = 0;
2165         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2166                 limit = sizeof tmp - 1;
2167         if (limit <= 0 || limit >= (int)sizeof tmp)
2168                 limit = sizeof tmp - 1;
2169
2170         /* there is nothing to replace (ie EOL) */
2171         fmt += size;
2172         if (*fmt == '\0')
2173                 return (fmt);
2174
2175         switch (*fmt) {
2176         case '<':
2177                 bar_replace_pad(tmp, &limit, sizeof tmp);
2178                 break;
2179         case 'A':
2180                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2181                 break;
2182         case 'C':
2183                 bar_window_class(tmp, sizeof tmp, r);
2184                 break;
2185         case 'D':
2186                 bar_workspace_name(tmp, sizeof tmp, r);
2187                 break;
2188         case 'F':
2189                 bar_window_float(tmp, sizeof tmp, r);
2190                 break;
2191         case 'I':
2192                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2193                 break;
2194         case 'M':
2195                 count = 0;
2196                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2197                         if (w->iconic)
2198                                 ++count;
2199
2200                 snprintf(tmp, sizeof tmp, "%d", count);
2201                 break;
2202         case 'N':
2203                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2204                 break;
2205         case 'P':
2206                 bar_window_class_instance(tmp, sizeof tmp, r);
2207                 break;
2208         case 'S':
2209                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2210                 break;
2211         case 'T':
2212                 bar_window_instance(tmp, sizeof tmp, r);
2213                 break;
2214         case 'U':
2215                 bar_urgent(tmp, sizeof tmp);
2216                 break;
2217         case 'V':
2218                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2219                 break;
2220         case 'W':
2221                 bar_window_name(tmp, sizeof tmp, r);
2222                 break;
2223         default:
2224                 /* unknown character sequence; copy as-is */
2225                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2226                 break;
2227         }
2228
2229         len = strlen(tmp);
2230         ptr = tmp;
2231         if ((int)len < limit)
2232                 limit = len;
2233         while (limit-- > 0) {
2234                 if (*offrep >= sz - 1)
2235                         break;
2236                 fmtrep[(*offrep)++] = *ptr++;
2237         }
2238
2239         fmt++;
2240         return (fmt);
2241 }
2242
2243 void
2244 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2245 {
2246         size_t                  off;
2247
2248         off = 0;
2249         while (*fmt != '\0') {
2250                 if (*fmt != '+') {
2251                         /* skip ordinary characters */
2252                         if (off >= sz - 1)
2253                                 break;
2254                         fmtrep[off++] = *fmt++;
2255                         continue;
2256                 }
2257
2258                 /* character sequence found; replace it */
2259                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2260                 if (off >= sz - 1)
2261                         break;
2262         }
2263
2264         fmtrep[off] = '\0';
2265 }
2266
2267 void
2268 bar_fmt_expand(char *fmtexp, size_t sz)
2269 {
2270         char                    *fmt = NULL;
2271         size_t                  len;
2272         struct tm               tm;
2273         time_t                  tmt;
2274
2275         /* start by grabbing the current time and date */
2276         time(&tmt);
2277         localtime_r(&tmt, &tm);
2278
2279         /* figure out what to expand */
2280         if (bar_format != NULL)
2281                 fmt = bar_format;
2282         else if (bar_format == NULL && clock_enabled)
2283                 fmt = clock_format;
2284         /* if nothing to expand bail out */
2285         if (fmt == NULL) {
2286                 *fmtexp = '\0';
2287                 return;
2288         }
2289
2290         /* copy as-is, just in case the format shouldn't be expanded below */
2291         strlcpy(fmtexp, fmt, sz);
2292         /* finally pass the string through strftime(3) */
2293 #ifndef SWM_DENY_CLOCK_FORMAT
2294         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2295                 warnx("format too long");
2296         fmtexp[len] = '\0';
2297 #endif
2298 }
2299
2300 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2301 void
2302 bar_draw(void)
2303 {
2304         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2305         char                    fmtrep[SWM_BAR_MAX];
2306         int                     i, num_screens;
2307         struct swm_region       *r;
2308
2309         /* expand the format by first passing it through strftime(3) */
2310         bar_fmt_expand(fmtexp, sizeof fmtexp);
2311
2312         num_screens = get_screen_count();
2313         for (i = 0; i < num_screens; i++) {
2314                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2315                         if (r->bar == NULL)
2316                                 continue;
2317
2318                         if (bar_enabled && r->ws->bar_enabled)
2319                                 xcb_map_window(conn, r->bar->id);
2320                         else {
2321                                 xcb_unmap_window(conn, r->bar->id);
2322                                 continue;
2323                         }
2324
2325                         if (startup_exception)
2326                                 snprintf(fmtrep, sizeof fmtrep, "total "
2327                                     "exceptions: %d, first exception: %s",
2328                                     nr_exceptions,
2329                                     startup_exception);
2330                         else {
2331                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2332                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2333                         }
2334                         if (bar_font_legacy)
2335                                 bar_print_legacy(r, fmtrep);
2336                         else
2337                                 bar_print(r, fmtrep);
2338                 }
2339         }
2340 }
2341
2342 /*
2343  * Reads external script output; call when stdin is readable.
2344  * Returns 1 if bar_ext was updated; otherwise 0.
2345  */
2346 int
2347 bar_extra_update(void)
2348 {
2349         size_t          len;
2350         char            b[SWM_BAR_MAX];
2351         int             changed = 0;
2352
2353         if (!bar_extra)
2354                 return changed;
2355
2356         while (fgets(b, sizeof(b), stdin) != NULL) {
2357                 if (bar_enabled) {
2358                         len = strlen(b);
2359                         if (b[len - 1] == '\n') {
2360                                 /* Remove newline. */
2361                                 b[--len] = '\0';
2362
2363                                 /* "Clear" bar_ext. */
2364                                 bar_ext[0] = '\0';
2365
2366                                 /* Flush buffered output. */
2367                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2368                                 bar_ext_buf[0] = '\0';
2369
2370                                 /* Append new output to bar. */
2371                                 strlcat(bar_ext, b, sizeof(bar_ext));
2372
2373                                 changed = 1;
2374                         } else {
2375                                 /* Buffer output. */
2376                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2377                         }
2378                 }
2379         }
2380
2381         if (errno != EAGAIN) {
2382                 warn("bar_action failed");
2383                 bar_extra_stop();
2384                 changed = 1;
2385         }
2386
2387         return changed;
2388 }
2389
2390 void
2391 bar_toggle(struct swm_region *r, union arg *args)
2392 {
2393         struct swm_region       *tmpr;
2394         int                     i, num_screens;
2395
2396         /* suppress unused warnings since vars are needed */
2397         (void)r;
2398         (void)args;
2399
2400         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2401
2402         switch (args->id) {
2403         case SWM_ARG_ID_BAR_TOGGLE_WS:
2404                 /* Only change if master switch is enabled. */
2405                 if (bar_enabled)
2406                         r->ws->bar_enabled = !r->ws->bar_enabled;
2407                 else
2408                         bar_enabled = r->ws->bar_enabled = 1;
2409                 break;
2410         case SWM_ARG_ID_BAR_TOGGLE:
2411                 bar_enabled = !bar_enabled;
2412                 break;
2413         }
2414
2415         /* update bars as necessary */
2416         num_screens = get_screen_count();
2417         for (i = 0; i < num_screens; i++)
2418                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2419                         if (tmpr->bar) {
2420                                 if (bar_enabled && tmpr->ws->bar_enabled)
2421                                         xcb_map_window(conn, tmpr->bar->id);
2422                                 else
2423                                         xcb_unmap_window(conn, tmpr->bar->id);
2424                         }
2425
2426         stack();
2427
2428         /* must be after stack */
2429         bar_draw();
2430
2431         focus_flush();
2432 }
2433
2434 void
2435 bar_extra_setup(void)
2436 {
2437         /* do this here because the conf file is in memory */
2438         if (!bar_extra && bar_argv[0]) {
2439                 /* launch external status app */
2440                 bar_extra = 1;
2441                 if (pipe(bar_pipe) == -1)
2442                         err(1, "pipe error");
2443                 socket_setnonblock(bar_pipe[0]);
2444                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2445
2446                 /* Set stdin to read from the pipe. */
2447                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2448                         err(1, "dup2");
2449
2450                 /* Set stdout to write to the pipe. */
2451                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2452                         err(1, "dup2");
2453
2454                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2455                         err(1, "could not disable SIGPIPE");
2456                 switch (bar_pid = fork()) {
2457                 case -1:
2458                         err(1, "cannot fork");
2459                         break;
2460                 case 0: /* child */
2461                         close(bar_pipe[0]);
2462                         execvp(bar_argv[0], bar_argv);
2463                         err(1, "%s external app failed", bar_argv[0]);
2464                         break;
2465                 default: /* parent */
2466                         close(bar_pipe[1]);
2467                         break;
2468                 }
2469
2470                 atexit(kill_bar_extra_atexit);
2471         }
2472 }
2473
2474 void
2475 kill_bar_extra_atexit(void)
2476 {
2477         if (bar_pid)
2478                 kill(bar_pid, SIGTERM);
2479 }
2480
2481 int
2482 isxlfd(char *s)
2483 {
2484         int      count = 0;
2485
2486         while ((s = index(s, '-'))) {
2487                 ++count;
2488                 ++s;
2489         }
2490
2491         return (count == 14);
2492 }
2493
2494 void
2495 fontset_init(void)
2496 {
2497         char                    *default_string;
2498         char                    **missing_charsets;
2499         int                     num_missing_charsets = 0;
2500         int                     i;
2501
2502         if (bar_fs) {
2503                 XFreeFontSet(display, bar_fs);
2504                 bar_fs = NULL;
2505         }
2506
2507         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2508
2509         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2510             &num_missing_charsets, &default_string);
2511
2512         if (num_missing_charsets > 0) {
2513                 warnx("Unable to load charset(s):");
2514
2515                 for (i = 0; i < num_missing_charsets; ++i)
2516                         warnx("%s", missing_charsets[i]);
2517
2518                 XFreeStringList(missing_charsets);
2519
2520                 if (strcmp(default_string, ""))
2521                         warnx("Glyphs from those sets will be replaced "
2522                             "by '%s'.", default_string);
2523                 else
2524                         warnx("Glyphs from those sets won't be drawn.");
2525         }
2526
2527         if (bar_fs == NULL)
2528                 errx(1, "Error creating font set structure.");
2529
2530         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2531
2532         bar_height = bar_fs_extents->max_logical_extent.height +
2533             2 * bar_border_width;
2534
2535         if (bar_height < 1)
2536                 bar_height = 1;
2537 }
2538
2539 void
2540 xft_init(struct swm_region *r)
2541 {
2542         char                    *font, *d, *search;
2543         XRenderColor            color;
2544
2545         if (bar_font == NULL) {
2546                 if ((d = strdup(bar_fonts)) == NULL)
2547                         errx(1, "insufficient memory.");
2548                 search = d;
2549                 while ((font = strsep(&search, ",")) != NULL) {
2550                         if (*font == '\0')
2551                                 continue;
2552
2553                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2554
2555                         if (isxlfd(font)) {
2556                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2557                                                 font);
2558                         } else {
2559                                 bar_font = XftFontOpenName(display, r->s->idx,
2560                                                 font);
2561                         }
2562
2563                         if (bar_font == NULL) {
2564                                 warnx("unable to load font %s", font);
2565                                 continue;
2566                         } else {
2567                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2568                                     "font %s\n", font);
2569                                 break;
2570                         }
2571                 }
2572                 free(d);
2573         }
2574
2575         if (bar_font == NULL)
2576                 errx(1, "unable to open a font");
2577
2578         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2579
2580         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2581             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2582                 warn("Xft error: unable to allocate color.");
2583
2584         bar_height = bar_font->height + 2 * bar_border_width;
2585
2586         if (bar_height < 1)
2587                 bar_height = 1;
2588 }
2589
2590 void
2591 bar_setup(struct swm_region *r)
2592 {
2593         xcb_screen_t    *screen;
2594         uint32_t         wa[3];
2595
2596         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2597             r->s->idx);
2598
2599         if ((screen = get_screen(r->s->idx)) == NULL)
2600                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2601
2602         if (r->bar != NULL)
2603                 return;
2604
2605         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2606                 err(1, "bar_setup: calloc: failed to allocate memory.");
2607
2608         if (bar_font_legacy)
2609                 fontset_init();
2610         else
2611                 xft_init(r);
2612
2613         X(r->bar) = X(r);
2614         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2615         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2616         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2617
2618         /* Assume region is unfocused when we create the bar. */
2619         r->bar->id = xcb_generate_id(conn);
2620         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2621         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2622         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2623             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2624
2625         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2626             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2627             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2628             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2629             | XCB_CW_EVENT_MASK, wa);
2630
2631         r->bar->buffer = xcb_generate_id(conn);
2632         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2633             WIDTH(r->bar), HEIGHT(r->bar));
2634
2635         if (xrandr_support)
2636                 xcb_randr_select_input(conn, r->bar->id,
2637                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2638
2639         if (bar_enabled)
2640                 xcb_map_window(conn, r->bar->id);
2641
2642         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2643             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2644             HEIGHT(r->bar));
2645
2646         bar_extra_setup();
2647 }
2648
2649 void
2650 bar_cleanup(struct swm_region *r)
2651 {
2652         if (r->bar == NULL)
2653                 return;
2654         xcb_destroy_window(conn, r->bar->id);
2655         xcb_free_pixmap(conn, r->bar->buffer);
2656         free(r->bar);
2657         r->bar = NULL;
2658 }
2659
2660 void
2661 set_win_state(struct ws_win *win, uint16_t state)
2662 {
2663         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2664
2665         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2666             win->id, state);
2667
2668         if (win == NULL)
2669                 return;
2670
2671         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2672             a_state, 32, 2, data);
2673 }
2674
2675 uint32_t
2676 getstate(xcb_window_t w)
2677 {
2678         uint32_t                        result = 0;
2679         xcb_get_property_cookie_t       c;
2680         xcb_get_property_reply_t        *r;
2681
2682         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2683         r = xcb_get_property_reply(conn, c, NULL);
2684         if (r) {
2685                 if (r->type == a_state && r->format == 32 && r->length == 2)
2686                         result = *((uint32_t *)xcb_get_property_value(r));
2687                 free(r);
2688         }
2689
2690         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2691             result);
2692         return (result);
2693 }
2694
2695 void
2696 version(struct swm_region *r, union arg *args)
2697 {
2698         /* suppress unused warnings since vars are needed */
2699         (void)r;
2700         (void)args;
2701
2702         bar_version = !bar_version;
2703         if (bar_version)
2704                 snprintf(bar_vertext, sizeof bar_vertext,
2705                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2706         else
2707                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2708
2709         bar_draw();
2710         xcb_flush(conn);
2711 }
2712
2713 void
2714 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2715 {
2716         xcb_client_message_event_t      ev;
2717 #ifdef SWM_DEBUG
2718         char                            *name;
2719 #endif
2720
2721         if (win == NULL)
2722                 return;
2723 #ifdef SWM_DEBUG
2724         name = get_atom_name(a);
2725         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2726             "time: %#x\n",
2727             win->id, name, a, t);
2728         free(name);
2729 #endif
2730
2731         bzero(&ev, sizeof ev);
2732         ev.response_type = XCB_CLIENT_MESSAGE;
2733         ev.window = win->id;
2734         ev.type = a_prot;
2735         ev.format = 32;
2736         ev.data.data32[0] = a;
2737         ev.data.data32[1] = t;
2738
2739         xcb_send_event(conn, 0, win->id,
2740             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2741 }
2742
2743 /* synthetic response to a ConfigureRequest when not making a change */
2744 void
2745 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2746 {
2747         xcb_configure_notify_event_t ce;
2748
2749         if (win == NULL)
2750                 return;
2751
2752         /* send notification of unchanged state. */
2753         bzero(&ce, sizeof(ce));
2754         ce.response_type = XCB_CONFIGURE_NOTIFY;
2755         ce.x = X(win);
2756         ce.y = Y(win);
2757         ce.width = WIDTH(win);
2758         ce.height = HEIGHT(win);
2759         ce.override_redirect = 0;
2760
2761         if (ev == NULL) {
2762                 /* EWMH */
2763                 ce.event = win->id;
2764                 ce.window = win->id;
2765                 ce.border_width = BORDER(win);
2766                 ce.above_sibling = XCB_WINDOW_NONE;
2767         } else {
2768                 /* normal */
2769                 ce.event = ev->window;
2770                 ce.window = ev->window;
2771
2772                 /* make response appear more WM_SIZE_HINTS-compliant */
2773                 if (win->sh.flags) {
2774                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2775                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2776                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2777                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2778                             SH_INC_W(win), SH_INC_H(win));
2779                 }
2780
2781                 /* min size */
2782                 if (SH_MIN(win)) {
2783                         /* the hint may be set... to 0! */
2784                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2785                                 ce.width = SH_MIN_W(win);
2786                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2787                                 ce.height = SH_MIN_H(win);
2788                 }
2789
2790                 /* max size */
2791                 if (SH_MAX(win)) {
2792                         /* may also be advertized as 0 */
2793                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2794                                 ce.width = SH_MAX_W(win);
2795                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2796                                 ce.height = SH_MAX_H(win);
2797                 }
2798
2799                 /* resize increment. */
2800                 if (SH_INC(win)) {
2801                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2802                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2803                                     SH_INC_W(win);
2804                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2805                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2806                                     SH_INC_H(win);
2807                 }
2808
2809                 /* adjust x and y for requested border_width. */
2810                 ce.x += BORDER(win) - ev->border_width;
2811                 ce.y += BORDER(win) - ev->border_width;
2812                 ce.border_width = ev->border_width;
2813                 ce.above_sibling = ev->sibling;
2814         }
2815
2816         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2817             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2818             ce.y, ce.width, ce.height, ce.border_width);
2819
2820         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2821             (char *)&ce);
2822 }
2823
2824 int
2825 count_win(struct workspace *ws, int count_transient)
2826 {
2827         struct ws_win           *win;
2828         int                     count = 0;
2829
2830         TAILQ_FOREACH(win, &ws->winlist, entry) {
2831                 if (!count_transient && win->floating)
2832                         continue;
2833                 if (!count_transient && win->transient)
2834                         continue;
2835                 if (win->iconic)
2836                         continue;
2837                 count++;
2838         }
2839         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2840
2841         return (count);
2842 }
2843
2844 void
2845 quit(struct swm_region *r, union arg *args)
2846 {
2847         /* suppress unused warnings since vars are needed */
2848         (void)r;
2849         (void)args;
2850
2851         DNPRINTF(SWM_D_MISC, "quit\n");
2852         running = 0;
2853 }
2854
2855 void
2856 map_window(struct ws_win *win, xcb_window_t sibling)
2857 {
2858         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2859         uint32_t                val[2];
2860         int                     i = 0;
2861
2862         /* If sibling is specified, stack right above it. */
2863         if (sibling != XCB_WINDOW_NONE) {
2864                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2865                 val[i++] = sibling;
2866         }
2867
2868         val[i] = XCB_STACK_MODE_ABOVE;
2869
2870         if (win == NULL)
2871                 return;
2872
2873         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2874             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2875
2876         xcb_configure_window(conn, win->id, mode, val);
2877
2878         if (win->mapped)
2879                 return;
2880
2881         xcb_map_window(conn, win->id);
2882         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2883         win->mapped = 1;
2884 }
2885
2886 void
2887 unmap_window(struct ws_win *win)
2888 {
2889         if (win == NULL)
2890                 return;
2891
2892         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2893             YESNO(win->mapped));
2894
2895         if (!win->mapped)
2896                 return;
2897
2898         xcb_unmap_window(conn, win->id);
2899         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2900         win->mapped = 0;
2901 }
2902
2903 void
2904 unmap_all(void)
2905 {
2906         struct ws_win           *win;
2907         int                     i, j, num_screens;
2908
2909         num_screens = get_screen_count();
2910         for (i = 0; i < num_screens; i++)
2911                 for (j = 0; j < workspace_limit; j++)
2912                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2913                                 unmap_window(win);
2914 }
2915
2916 void
2917 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2918 {
2919         xcb_key_press_event_t   event;
2920         xcb_keycode_t           *keycode;
2921
2922         if (win == NULL)
2923                 return;
2924
2925         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2926
2927         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2928             win->id, *keycode);
2929
2930         bzero(&event, sizeof(event));
2931         event.event = win->id;
2932         event.root = win->s->root;
2933         event.child = XCB_WINDOW_NONE;
2934         event.time = XCB_CURRENT_TIME;
2935         event.event_x = X(win);
2936         event.event_y = Y(win);
2937         event.root_x = 1;
2938         event.root_y = 1;
2939         event.same_screen = 1;
2940         event.detail = *keycode;
2941         event.state = modifiers;
2942
2943         event.response_type = XCB_KEY_PRESS;
2944         xcb_send_event(conn, 1, win->id,
2945             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2946
2947         event.response_type = XCB_KEY_RELEASE;
2948         xcb_send_event(conn, 1, win->id,
2949             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2950
2951         free(keycode);
2952 }
2953
2954 void
2955 restart(struct swm_region *r, union arg *args)
2956 {
2957         /* suppress unused warning since var is needed */
2958         (void)r;
2959         (void)args;
2960
2961         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2962
2963         shutdown_cleanup();
2964
2965         execvp(start_argv[0], start_argv);
2966         warn("execvp failed");
2967         quit(NULL, NULL);
2968 }
2969
2970 struct ws_win *
2971 get_pointer_win(xcb_window_t root)
2972 {
2973         struct ws_win                   *win = NULL;
2974         xcb_query_pointer_reply_t       *r;
2975
2976         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2977
2978         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2979         if (r) {
2980                 win = find_window(r->child);
2981                 if (win) {
2982                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2983                             win->id);
2984                 } else {
2985                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2986                 }
2987                 free(r);
2988         }
2989
2990         return win;
2991 }
2992
2993 struct swm_region *
2994 root_to_region(xcb_window_t root, int check)
2995 {
2996         struct ws_win                   *cfw;
2997         struct swm_region               *r = NULL;
2998         int                             i, num_screens;
2999         xcb_query_pointer_reply_t       *qpr;
3000         xcb_get_input_focus_reply_t     *gifr;
3001
3002         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
3003
3004         num_screens = get_screen_count();
3005         for (i = 0; i < num_screens; i++)
3006                 if (screens[i].root == root)
3007                         break;
3008
3009         if (check & SWM_CK_REGION)
3010                 r = screens[i].r_focus;
3011
3012         if (r == NULL && check & SWM_CK_FOCUS) {
3013                 /* Try to find an actively focused window */
3014                 gifr = xcb_get_input_focus_reply(conn,
3015                     xcb_get_input_focus(conn), NULL);
3016                 if (gifr) {
3017                         cfw = find_window(gifr->focus);
3018                         if (cfw && cfw->ws->r)
3019                                 r = cfw->ws->r;
3020
3021                         free(gifr);
3022                 }
3023         }
3024
3025         if (r == NULL && check & SWM_CK_POINTER) {
3026                 /* No region with an active focus; try to use pointer. */
3027                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
3028                     screens[i].root), NULL);
3029                 if (qpr) {
3030                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
3031                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
3032                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3033                                 if (X(r) <= qpr->root_x &&
3034                                     qpr->root_x < MAX_X(r) &&
3035                                     Y(r) <= qpr->root_y &&
3036                                     qpr->root_y < MAX_Y(r))
3037                                         break;
3038                         free(qpr);
3039                 }
3040         }
3041
3042         /* Last resort. */
3043         if (r == NULL && check & SWM_CK_FALLBACK)
3044                 r = TAILQ_FIRST(&screens[i].rl);
3045
3046         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3047
3048         return (r);
3049 }
3050
3051 struct ws_win *
3052 find_unmanaged_window(xcb_window_t id)
3053 {
3054         struct ws_win           *win;
3055         int                     i, j, num_screens;
3056
3057         num_screens = get_screen_count();
3058         for (i = 0; i < num_screens; i++)
3059                 for (j = 0; j < workspace_limit; j++)
3060                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3061                             entry)
3062                                 if (id == win->id)
3063                                         return (win);
3064         return (NULL);
3065 }
3066
3067 struct ws_win *
3068 find_window(xcb_window_t id)
3069 {
3070         struct ws_win           *win;
3071         int                     i, j, num_screens;
3072         xcb_query_tree_reply_t  *r;
3073
3074         num_screens = get_screen_count();
3075         for (i = 0; i < num_screens; i++)
3076                 for (j = 0; j < workspace_limit; j++)
3077                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3078                                 if (id == win->id)
3079                                         return (win);
3080
3081         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3082         if (r == NULL)
3083                 return (NULL);
3084
3085         /* if we were looking for the parent return that window instead */
3086         if (r->parent == 0 || r->root == r->parent) {
3087                 free(r);
3088                 return (NULL);
3089         }
3090
3091         /* look for parent */
3092         for (i = 0; i < num_screens; i++)
3093                 for (j = 0; j < workspace_limit; j++)
3094                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3095                                 if (r->parent == win->id) {
3096                                         free(r);
3097                                         return (win);
3098                                 }
3099
3100         free(r);
3101         return (NULL);
3102 }
3103
3104 void
3105 spawn(int ws_idx, union arg *args, int close_fd)
3106 {
3107         int                     fd;
3108         char                    *ret = NULL;
3109
3110         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3111
3112         close(xcb_get_file_descriptor(conn));
3113
3114         setenv("LD_PRELOAD", SWM_LIB, 1);
3115
3116         if (asprintf(&ret, "%d", ws_idx) == -1) {
3117                 warn("spawn: asprintf SWM_WS");
3118                 _exit(1);
3119         }
3120         setenv("_SWM_WS", ret, 1);
3121         free(ret);
3122         ret = NULL;
3123
3124         if (asprintf(&ret, "%d", getpid()) == -1) {
3125                 warn("spawn: asprintf _SWM_PID");
3126                 _exit(1);
3127         }
3128         setenv("_SWM_PID", ret, 1);
3129         free(ret);
3130         ret = NULL;
3131
3132         if (setsid() == -1) {
3133                 warn("spawn: setsid");
3134                 _exit(1);
3135         }
3136
3137         if (close_fd) {
3138                 /*
3139                  * close stdin and stdout to prevent interaction between apps
3140                  * and the baraction script
3141                  * leave stderr open to record errors
3142                 */
3143                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3144                         warn("spawn: open");
3145                         _exit(1);
3146                 }
3147                 dup2(fd, STDIN_FILENO);
3148                 dup2(fd, STDOUT_FILENO);
3149                 if (fd > 2)
3150                         close(fd);
3151         }
3152
3153         execvp(args->argv[0], args->argv);
3154
3155         warn("spawn: execvp");
3156         _exit(1);
3157 }
3158
3159 void
3160 kill_refs(struct ws_win *win)
3161 {
3162         int                     i, x, num_screens;
3163         struct swm_region       *r;
3164         struct workspace        *ws;
3165
3166         if (win == NULL)
3167                 return;
3168
3169         num_screens = get_screen_count();
3170         for (i = 0; i < num_screens; i++)
3171                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3172                         for (x = 0; x < workspace_limit; x++) {
3173                                 ws = &r->s->ws[x];
3174                                 if (win == ws->focus)
3175                                         ws->focus = NULL;
3176                                 if (win == ws->focus_prev)
3177                                         ws->focus_prev = NULL;
3178                         }
3179 }
3180
3181 int
3182 validate_win(struct ws_win *testwin)
3183 {
3184         struct ws_win           *win;
3185         struct workspace        *ws;
3186         struct swm_region       *r;
3187         int                     i, x, num_screens;
3188
3189         if (testwin == NULL)
3190                 return (0);
3191
3192         num_screens = get_screen_count();
3193         for (i = 0; i < num_screens; i++)
3194                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3195                         for (x = 0; x < workspace_limit; x++) {
3196                                 ws = &r->s->ws[x];
3197                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3198                                         if (win == testwin)
3199                                                 return (0);
3200                         }
3201         return (1);
3202 }
3203
3204 int
3205 validate_ws(struct workspace *testws)
3206 {
3207         struct swm_region       *r;
3208         struct workspace        *ws;
3209         int                     i, x, num_screens;
3210
3211         /* validate all ws */
3212         num_screens = get_screen_count();
3213         for (i = 0; i < num_screens; i++)
3214                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3215                         for (x = 0; x < workspace_limit; x++) {
3216                                 ws = &r->s->ws[x];
3217                                 if (ws == testws)
3218                                         return (0);
3219                         }
3220         return (1);
3221 }
3222
3223 xcb_window_t
3224 get_sibling(struct ws_win *win, int mode)
3225 {
3226         struct ws_win           *w = win;
3227
3228         switch (mode) {
3229         case SWM_STACK_TOP:
3230                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3231                         if (w != win && !w->floating && !w->iconic)
3232                                 break;
3233                 break;
3234         case SWM_STACK_ABOVE:
3235                 do {
3236                         w = TAILQ_NEXT(w, entry);
3237                 } while (w != NULL && (w == win || w->floating || w->iconic));
3238                 break;
3239         case SWM_STACK_BELOW:
3240                 do {
3241                         w = TAILQ_PREV(w, ws_win_list, entry);
3242                 } while (w != NULL && (w == win || w->floating || w->iconic));
3243                 break;
3244         case SWM_STACK_BOTTOM:
3245                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3246                         if (w != win && !w->floating && !w->iconic)
3247                                 break;
3248                 break;
3249         default:
3250                 w = NULL;
3251         }
3252
3253         if (w == NULL)
3254                 return (win->ws->r->id);
3255         else
3256                 return (w->id);
3257 }
3258
3259 void
3260 unfocus_win(struct ws_win *win)
3261 {
3262         xcb_window_t            none = XCB_WINDOW_NONE;
3263
3264         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3265
3266         if (win == NULL)
3267                 return;
3268         if (win->ws == NULL) {
3269                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3270                 return;
3271         }
3272
3273         if (validate_ws(win->ws)) {
3274                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3275                 return;
3276         }
3277
3278         if (win->ws->r == NULL) {
3279                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3280                 return;
3281         }
3282
3283         if (validate_win(win)) {
3284                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3285                 kill_refs(win);
3286                 return;
3287         }
3288
3289         if (win->ws->focus == win) {
3290                 if (tile_gap < 0 && !win->floating)
3291                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3292                 win->ws->focus = NULL;
3293                 win->ws->focus_prev = win;
3294         }
3295
3296         if (validate_win(win->ws->focus)) {
3297                 kill_refs(win->ws->focus);
3298                 win->ws->focus = NULL;
3299         }
3300
3301         if (validate_win(win->ws->focus_prev)) {
3302                 kill_refs(win->ws->focus_prev);
3303                 win->ws->focus_prev = NULL;
3304         }
3305
3306         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3307             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3308
3309         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3310             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3311
3312         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3313 }
3314
3315 void
3316 focus_win(struct ws_win *win)
3317 {
3318         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3319         struct workspace                *ws;
3320         xcb_get_input_focus_reply_t     *r;
3321
3322         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3323
3324         if (win == NULL)
3325                 goto out;
3326
3327         if (win->ws == NULL)
3328                 goto out;
3329
3330         if (!win->mapped)
3331                 goto out;
3332
3333         ws = win->ws;
3334
3335         if (validate_ws(ws))
3336                 goto out;
3337
3338         if (validate_win(win)) {
3339                 kill_refs(win);
3340                 goto out;
3341         }
3342
3343         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3344         if (r) {
3345                 cfw = find_window(r->focus);
3346                 if (cfw != win)
3347                         unfocus_win(cfw);
3348                 free(r);
3349         }
3350
3351         if (ws->focus != win) {
3352                 if (ws->focus && ws->focus != cfw)
3353                         unfocus_win(ws->focus);
3354                 ws->focus = win;
3355         }
3356
3357         /* If this window directs focus to a child window, then clear. */
3358         if (win->focus_child)
3359                 win->focus_child = NULL;
3360
3361         /* If transient, adjust parent's focus child for focus_magic. */
3362         if (win->transient) {
3363                 parent = find_window(win->transient);
3364                 if (parent && parent->focus_child != win)
3365                         parent->focus_child = win;
3366         }
3367
3368         if (cfw != win && ws->r != NULL) {
3369                 /* Set input focus if no input hint, or indicated by hint. */
3370                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3371                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3372                      win->hints.input))
3373                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3374                                         win->id, last_event_time);
3375                 else
3376                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3377                             ws->r->id, XCB_CURRENT_TIME);
3378
3379                 /* Tell app it can adjust focus to a specific window. */
3380                 if (win->take_focus) {
3381                         /* java is special; always tell parent */
3382                         if (win->transient && win->java)
3383                                 client_msg(parent, a_takefocus,
3384                                     last_event_time);
3385                         else
3386                                 client_msg(win, a_takefocus, last_event_time);
3387                 }
3388
3389                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3390                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3391
3392                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3393                     ws->always_raise) {
3394                         /* If a parent exists, map it first. */
3395                         if (parent) {
3396                                 map_window(parent, XCB_WINDOW_NONE);
3397
3398                                 /* Map siblings next. */
3399                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3400                                         if (w != win && !w->iconic &&
3401                                             w->transient == parent->id)
3402                                                 map_window(w, XCB_WINDOW_NONE);
3403                         }
3404
3405                         /* Map focused window. */
3406                         map_window(win, XCB_WINDOW_NONE);
3407
3408                         /* Finally, map children of focus window. */
3409                         TAILQ_FOREACH(w, &ws->winlist, entry)
3410                                 if (w->transient == win->id && !w->iconic)
3411                                         map_window(w, XCB_WINDOW_NONE);
3412                 } else if (tile_gap < 0 && !win->floating) {
3413                         /*
3414                          * Windows overlap in the layout.
3415                          * Raise focused win above all tiled wins.
3416                          */
3417                         if (tile_gap < 0 && !win->floating)
3418                                 map_window(win,
3419                                     get_sibling(win, SWM_STACK_TOP));
3420                 }
3421
3422                 set_region(ws->r);
3423
3424                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3425                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3426                     &win->id);
3427         }
3428
3429 out:
3430         bar_draw();
3431
3432         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3433 }
3434
3435 /* If a child window should have focus instead, return it. */
3436 struct ws_win *
3437 get_focus_magic(struct ws_win *win)
3438 {
3439         struct ws_win   *parent = NULL;
3440         struct ws_win   *child = NULL;
3441
3442         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3443         if (win == NULL)
3444                 return win;
3445
3446         if (win->transient) {
3447                 parent = find_window(win->transient);
3448
3449                 /* If parent prefers focus elsewhere, then try to do so. */
3450                 if (parent && (child = parent->focus_child)) {
3451                         if (validate_win(child) == 0 && child->mapped)
3452                                 win = child;
3453                         else
3454                                 parent->focus_child = NULL;
3455                 }
3456         }
3457
3458         /* If this window prefers focus elsewhere, then try to do so. */
3459         if ((child = win->focus_child)) {
3460                 if (validate_win(child) == 0 && child->mapped)
3461                         win = child;
3462                 else
3463                         win->focus_child = NULL;
3464         }
3465
3466         return win;
3467 }
3468
3469 void
3470 event_drain(uint8_t rt)
3471 {
3472         xcb_generic_event_t     *evt;
3473
3474         /* ensure all pending requests have been processed before filtering. */
3475         xcb_aux_sync(conn);
3476         while ((evt = xcb_poll_for_event(conn))) {
3477                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3478                         event_handle(evt);
3479
3480                 free(evt);
3481         }
3482 }
3483
3484 void
3485 set_region(struct swm_region *r)
3486 {
3487         struct swm_region       *rf;
3488
3489         if (r == NULL)
3490                 return;
3491
3492         rf = r->s->r_focus;
3493         /* Unfocus old region bar. */
3494         if (rf) {
3495                 if (rf == r)
3496                         return;
3497
3498                 xcb_change_window_attributes(conn, rf->bar->id,
3499                     XCB_CW_BORDER_PIXEL,
3500                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3501         }
3502
3503         /* Set region bar border to focus_color. */
3504         xcb_change_window_attributes(conn, r->bar->id,
3505             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3506
3507         r->s->r_focus = r;
3508 }
3509
3510 void
3511 focus_region(struct swm_region *r)
3512 {
3513         struct ws_win           *nfw;
3514         struct swm_region       *old_r;
3515
3516         if (r == NULL)
3517                 return;
3518
3519         old_r = r->s->r_focus;
3520         set_region(r);
3521
3522         nfw = get_region_focus(r);
3523         if (nfw) {
3524                 focus_win(nfw);
3525         } else {
3526                 /* New region is empty; need to manually unfocus win. */
3527                 if (old_r)
3528                         unfocus_win(old_r->ws->focus);
3529
3530                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3531                     XCB_CURRENT_TIME);
3532
3533                 /* Clear bar since empty. */
3534                 bar_draw();
3535         }
3536 }
3537
3538 void
3539 switchws(struct swm_region *r, union arg *args)
3540 {
3541         struct swm_region       *this_r, *other_r;
3542         struct ws_win           *win;
3543         struct workspace        *new_ws, *old_ws;
3544         xcb_window_t            none = XCB_WINDOW_NONE;
3545         int                     wsid = args->id, unmap_old = 0;
3546
3547         if (!(r && r->s))
3548                 return;
3549
3550         if (wsid >= workspace_limit)
3551                 return;
3552
3553         this_r = r;
3554         old_ws = this_r->ws;
3555         new_ws = &this_r->s->ws[wsid];
3556
3557         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3558             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3559
3560         if (new_ws == NULL || old_ws == NULL)
3561                 return;
3562         if (new_ws == old_ws)
3563                 return;
3564
3565         if ((win = old_ws->focus) != NULL) {
3566                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3567                     &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3568
3569                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3570                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3571                     &none);
3572         }
3573
3574         other_r = new_ws->r;
3575         if (other_r == NULL) {
3576                 /* the other workspace is hidden, hide this one */
3577                 old_ws->r = NULL;
3578                 unmap_old = 1;
3579         } else {
3580                 /* the other ws is visible in another region, exchange them */
3581                 other_r->ws_prior = new_ws;
3582                 other_r->ws = old_ws;
3583                 old_ws->r = other_r;
3584         }
3585         this_r->ws_prior = old_ws;
3586         this_r->ws = new_ws;
3587         new_ws->r = this_r;
3588
3589         /* Set focus_pending before stacking, if needed. */
3590         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3591             validate_win(new_ws->focus_pending))) {
3592                 new_ws->focus_pending = get_region_focus(new_ws->r);
3593                 new_ws->focus = new_ws->focus_prev;
3594                 new_ws->focus_prev = NULL;
3595         }
3596
3597         stack();
3598
3599         /* unmap old windows */
3600         if (unmap_old)
3601                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3602                         unmap_window(win);
3603
3604         /* if workspaces were swapped, then don't wait to set focus */
3605         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3606                 if (new_ws->focus_pending) {
3607                         focus_win(new_ws->focus_pending);
3608                         new_ws->focus_pending = NULL;
3609                 }
3610         }
3611
3612         /* Clear bar and set focus on region input win if new ws is empty. */
3613         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3614                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3615                     XCB_CURRENT_TIME);
3616                 bar_draw();
3617         }
3618
3619         focus_flush();
3620
3621         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3622 }
3623
3624 void
3625 cyclews(struct swm_region *r, union arg *args)
3626 {
3627         union                   arg a;
3628         struct swm_screen       *s = r->s;
3629         int                     cycle_all = 0;
3630         int                     move = 0;
3631
3632         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3633             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3634
3635         a.id = r->ws->idx;
3636
3637         do {
3638                 switch (args->id) {
3639                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3640                         move = 1;
3641                         /* FALLTHROUGH */
3642                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3643                         cycle_all = 1;
3644                         /* FALLTHROUGH */
3645                 case SWM_ARG_ID_CYCLEWS_UP:
3646                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3647                         break;
3648                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3649                         move = 1;
3650                         /* FALLTHROUGH */
3651                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3652                         cycle_all = 1;
3653                         /* FALLTHROUGH */
3654                 case SWM_ARG_ID_CYCLEWS_DOWN:
3655                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3656                         break;
3657                 default:
3658                         return;
3659                 };
3660
3661                 if (!cycle_all &&
3662                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3663                         continue;
3664                 if (!cycle_visible && s->ws[a.id].r != NULL)
3665                         continue;
3666
3667                 if (move)
3668                         send_to_ws(r, &a);
3669
3670                 switchws(r, &a);
3671         } while (a.id != r->ws->idx);
3672 }
3673
3674 void
3675 priorws(struct swm_region *r, union arg *args)
3676 {
3677         union arg       a;
3678
3679         (void)args;
3680
3681         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3682             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3683
3684         if (r->ws_prior == NULL)
3685                 return;
3686
3687         a.id = r->ws_prior->idx;
3688         switchws(r, &a);
3689 }
3690
3691 void
3692 focusrg(struct swm_region *r, union arg *args)
3693 {
3694         int                     ridx = args->id, i, num_screens;
3695         struct swm_region       *rr = NULL;
3696
3697         num_screens = get_screen_count();
3698         /* do nothing if we don't have more than one screen */
3699         if (!(num_screens > 1 || outputs > 1))
3700                 return;
3701
3702         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3703
3704         rr = TAILQ_FIRST(&r->s->rl);
3705         for (i = 0; i < ridx && rr != NULL; ++i)
3706                 rr = TAILQ_NEXT(rr, entry);
3707
3708         if (rr == NULL)
3709                 return;
3710
3711         focus_region(rr);
3712         focus_flush();
3713 }
3714
3715 void
3716 cyclerg(struct swm_region *r, union arg *args)
3717 {
3718         struct swm_region       *rr = NULL;
3719         int                     i, num_screens;
3720
3721         num_screens = get_screen_count();
3722         /* do nothing if we don't have more than one screen */
3723         if (!(num_screens > 1 || outputs > 1))
3724                 return;
3725
3726         i = r->s->idx;
3727         switch (args->id) {
3728         case SWM_ARG_ID_CYCLERG_UP:
3729                 rr = TAILQ_NEXT(r, entry);
3730                 if (rr == NULL)
3731                         rr = TAILQ_FIRST(&screens[i].rl);
3732                 break;
3733         case SWM_ARG_ID_CYCLERG_DOWN:
3734                 rr = TAILQ_PREV(r, swm_region_list, entry);
3735                 if (rr == NULL)
3736                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3737                 break;
3738         default:
3739                 return;
3740         };
3741         if (rr == NULL)
3742                 return;
3743
3744         focus_region(rr);
3745         focus_flush();
3746 }
3747
3748 void
3749 sort_windows(struct ws_win_list *wl)
3750 {
3751         struct ws_win           *win, *parent, *nxt;
3752
3753         if (wl == NULL)
3754                 return;
3755
3756         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3757                 nxt = TAILQ_NEXT(win, entry);
3758                 if (win->transient) {
3759                         parent = find_window(win->transient);
3760                         if (parent == NULL) {
3761                                 warnx("not possible bug");
3762                                 continue;
3763                         }
3764                         TAILQ_REMOVE(wl, win, entry);
3765                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3766                 }
3767         }
3768
3769 }
3770
3771 void
3772 swapwin(struct swm_region *r, union arg *args)
3773 {
3774         struct ws_win           *target, *source;
3775         struct ws_win           *cur_focus;
3776         struct ws_win_list      *wl;
3777
3778         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3779             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3780
3781         cur_focus = r->ws->focus;
3782         if (cur_focus == NULL)
3783                 return;
3784
3785         source = cur_focus;
3786         wl = &source->ws->winlist;
3787
3788         switch (args->id) {
3789         case SWM_ARG_ID_SWAPPREV:
3790                 if (source->transient)
3791                         source = find_window(source->transient);
3792                 target = TAILQ_PREV(source, ws_win_list, entry);
3793                 if (target && target->transient)
3794                         target = find_window(target->transient);
3795                 TAILQ_REMOVE(wl, source, entry);
3796                 if (target == NULL)
3797                         TAILQ_INSERT_TAIL(wl, source, entry);
3798                 else
3799                         TAILQ_INSERT_BEFORE(target, source, entry);
3800                 break;
3801         case SWM_ARG_ID_SWAPNEXT:
3802                 target = TAILQ_NEXT(source, entry);
3803                 /* move the parent and let the sort handle the move */
3804                 if (source->transient)
3805                         source = find_window(source->transient);
3806                 TAILQ_REMOVE(wl, source, entry);
3807                 if (target == NULL)
3808                         TAILQ_INSERT_HEAD(wl, source, entry);
3809                 else
3810                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3811                 break;
3812         case SWM_ARG_ID_SWAPMAIN:
3813                 target = TAILQ_FIRST(wl);
3814                 if (target == source) {
3815                         if (source->ws->focus_prev != NULL &&
3816                             source->ws->focus_prev != target)
3817                                 source = source->ws->focus_prev;
3818                         else
3819                                 return;
3820                 }
3821                 if (target == NULL || source == NULL)
3822                         return;
3823                 source->ws->focus_prev = target;
3824                 TAILQ_REMOVE(wl, target, entry);
3825                 TAILQ_INSERT_BEFORE(source, target, entry);
3826                 TAILQ_REMOVE(wl, source, entry);
3827                 TAILQ_INSERT_HEAD(wl, source, entry);
3828                 break;
3829         case SWM_ARG_ID_MOVELAST:
3830                 TAILQ_REMOVE(wl, source, entry);
3831                 TAILQ_INSERT_TAIL(wl, source, entry);
3832                 break;
3833         default:
3834                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3835                 return;
3836         }
3837
3838         sort_windows(wl);
3839
3840         stack();
3841
3842         focus_flush();
3843 }
3844
3845 struct ws_win *
3846 get_focus_prev(struct ws_win *win)
3847 {
3848         struct ws_win           *winfocus = NULL;
3849         struct ws_win           *cur_focus = NULL;
3850         struct ws_win_list      *wl = NULL;
3851         struct workspace        *ws = NULL;
3852
3853         if (!(win && win->ws))
3854                 return NULL;
3855
3856         ws = win->ws;
3857         wl = &ws->winlist;
3858         cur_focus = ws->focus;
3859
3860         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3861             WINID(win), WINID(cur_focus));
3862
3863         /* pickle, just focus on whatever */
3864         if (cur_focus == NULL) {
3865                 /* use prev_focus if valid */
3866                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3867                     find_window(WINID(ws->focus_prev)))
3868                         winfocus = ws->focus_prev;
3869                 goto done;
3870         }
3871
3872         /* if transient focus on parent */
3873         if (cur_focus->transient) {
3874                 winfocus = find_window(cur_focus->transient);
3875                 goto done;
3876         }
3877
3878         /* if in max_stack try harder */
3879         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3880             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3881                 if (cur_focus != ws->focus_prev)
3882                         winfocus = ws->focus_prev;
3883                 else
3884                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3885                 if (winfocus)
3886                         goto done;
3887         }
3888
3889         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3890
3891         if (winfocus == NULL || winfocus == win) {
3892                 switch (focus_close) {
3893                 case SWM_STACK_BOTTOM:
3894                         TAILQ_FOREACH(winfocus, wl, entry)
3895                                 if (!winfocus->iconic && winfocus != cur_focus)
3896                                         break;
3897                         break;
3898                 case SWM_STACK_TOP:
3899                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3900                                 if (!winfocus->iconic && winfocus != cur_focus)
3901                                         break;
3902                         break;
3903                 case SWM_STACK_ABOVE:
3904                         winfocus = TAILQ_NEXT(cur_focus, entry);
3905                         while (winfocus && winfocus->iconic)
3906                                 winfocus = TAILQ_NEXT(winfocus, entry);
3907
3908                         if (winfocus == NULL) {
3909                                 if (focus_close_wrap) {
3910                                         TAILQ_FOREACH(winfocus, wl, entry)
3911                                                 if (!winfocus->iconic &&
3912                                                     winfocus != cur_focus)
3913                                                         break;
3914                                 } else {
3915                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3916                                             ws_win_list, entry)
3917                                                 if (!winfocus->iconic &&
3918                                                     winfocus != cur_focus)
3919                                                         break;
3920                                 }
3921                         }
3922                         break;
3923                 case SWM_STACK_BELOW:
3924                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3925                         while (winfocus && winfocus->iconic)
3926                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3927                                     entry);
3928
3929                         if (winfocus == NULL) {
3930                                 if (focus_close_wrap) {
3931                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3932                                             ws_win_list, entry)
3933                                                 if (!winfocus->iconic &&
3934                                                     winfocus != cur_focus)
3935                                                         break;
3936                                 } else {
3937                                         TAILQ_FOREACH(winfocus, wl, entry)
3938                                                 if (!winfocus->iconic &&
3939                                                     winfocus != cur_focus)
3940                                                         break;
3941                                 }
3942                         }
3943                         break;
3944                 }
3945         }
3946 done:
3947         if (winfocus == NULL ||
3948             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3949                 if (focus_default == SWM_STACK_TOP) {
3950                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3951                                 if (!winfocus->iconic && winfocus != cur_focus)
3952                                         break;
3953                 } else {
3954                         TAILQ_FOREACH(winfocus, wl, entry)
3955                                 if (!winfocus->iconic && winfocus != cur_focus)
3956                                         break;
3957                 }
3958         }
3959
3960         kill_refs(win);
3961
3962         return get_focus_magic(winfocus);
3963 }
3964
3965 struct ws_win *
3966 get_region_focus(struct swm_region *r)
3967 {
3968         struct ws_win           *winfocus = NULL;
3969
3970         if (!(r && r->ws))
3971                 return NULL;
3972
3973         if (r->ws->focus && !r->ws->focus->iconic)
3974                 winfocus = r->ws->focus;
3975         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3976                 winfocus = r->ws->focus_prev;
3977         else
3978                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3979                         if (!winfocus->iconic)
3980                                 break;
3981
3982         return get_focus_magic(winfocus);
3983 }
3984
3985 void
3986 focus(struct swm_region *r, union arg *args)
3987 {
3988         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3989         struct ws_win_list      *wl = NULL;
3990         struct workspace        *ws = NULL;
3991         union arg               a;
3992         int                     i;
3993         xcb_icccm_wm_hints_t    hints;
3994
3995         if (!(r && r->ws))
3996                 goto out;
3997
3998         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3999
4000         cur_focus = r->ws->focus;
4001         ws = r->ws;
4002         wl = &ws->winlist;
4003
4004         /* Make sure an uniconified window has focus, if one exists. */
4005         if (cur_focus == NULL) {
4006                 cur_focus = TAILQ_FIRST(wl);
4007                 while (cur_focus != NULL && cur_focus->iconic)
4008                         cur_focus = TAILQ_NEXT(cur_focus, entry);
4009         }
4010
4011         switch (args->id) {
4012         case SWM_ARG_ID_FOCUSPREV:
4013                 if (cur_focus == NULL)
4014                         goto out;
4015
4016                 winfocus = cur_focus;
4017                 do {
4018                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
4019                         if (winfocus == NULL)
4020                                 winfocus = TAILQ_LAST(wl, ws_win_list);
4021                         if (winfocus == cur_focus)
4022                                 break;
4023                 } while (winfocus != NULL &&
4024                     (winfocus->iconic || winfocus->id == cur_focus->transient));
4025                 break;
4026         case SWM_ARG_ID_FOCUSNEXT:
4027                 if (cur_focus == NULL)
4028                         goto out;
4029
4030                 winfocus = cur_focus;
4031                 do {
4032                         winfocus = TAILQ_NEXT(winfocus, entry);
4033                         if (winfocus == NULL)
4034                                 winfocus = TAILQ_FIRST(wl);
4035                         if (winfocus == cur_focus)
4036                                 break;
4037                 } while (winfocus != NULL &&
4038                     (winfocus->iconic || winfocus->id == cur_focus->transient));
4039                 break;
4040         case SWM_ARG_ID_FOCUSMAIN:
4041                 if (cur_focus == NULL)
4042                         goto out;
4043
4044                 winfocus = TAILQ_FIRST(wl);
4045                 if (winfocus == cur_focus)
4046                         winfocus = cur_focus->ws->focus_prev;
4047                 break;
4048         case SWM_ARG_ID_FOCUSURGENT:
4049                 /* Search forward for the next urgent window. */
4050                 winfocus = NULL;
4051                 head = cur_focus;
4052
4053                 for (i = 0; i <= workspace_limit; ++i) {
4054                         if (head == NULL)
4055                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4056                                     workspace_limit].winlist);
4057
4058                         while (head != NULL &&
4059                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4060                                 if (head == cur_focus) {
4061                                         winfocus = cur_focus;
4062                                         break;
4063                                 }
4064                                 if (xcb_icccm_get_wm_hints_reply(conn,
4065                                     xcb_icccm_get_wm_hints(conn, head->id),
4066                                     &hints, NULL) != 0 &&
4067                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4068                                         winfocus = head;
4069                                         break;
4070                                 }
4071                         }
4072
4073                         if (winfocus != NULL)
4074                                 break;
4075                 }
4076
4077                 /* Switch ws if new focus is on a different ws. */
4078                 if (winfocus != NULL && winfocus->ws != ws) {
4079                         a.id = winfocus->ws->idx;
4080                         switchws(r, &a);
4081                 }
4082                 break;
4083         default:
4084                 goto out;
4085         }
4086
4087         focus_win(get_focus_magic(winfocus));
4088         focus_flush();
4089
4090 out:
4091         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4092 }
4093
4094 void
4095 cycle_layout(struct swm_region *r, union arg *args)
4096 {
4097         struct workspace        *ws = r->ws;
4098
4099         /* suppress unused warning since var is needed */
4100         (void)args;
4101
4102         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4103
4104         ws->cur_layout++;
4105         if (ws->cur_layout->l_stack == NULL)
4106                 ws->cur_layout = &layouts[0];
4107
4108         stack();
4109         bar_draw();
4110
4111         focus_win(get_region_focus(r));
4112
4113         focus_flush();
4114 }
4115
4116 void
4117 stack_config(struct swm_region *r, union arg *args)
4118 {
4119         struct workspace        *ws = r->ws;
4120
4121         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4122             args->id, ws->idx);
4123
4124         if (ws->cur_layout->l_config != NULL)
4125                 ws->cur_layout->l_config(ws, args->id);
4126
4127         if (args->id != SWM_ARG_ID_STACKINIT)
4128                 stack();
4129         bar_draw();
4130
4131         focus_flush();
4132 }
4133
4134 void
4135 stack(void) {
4136         struct swm_geometry     g;
4137         struct swm_region       *r;
4138         int                     i, num_screens;
4139 #ifdef SWM_DEBUG
4140         int j;
4141 #endif
4142
4143         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4144
4145         num_screens = get_screen_count();
4146         for (i = 0; i < num_screens; i++) {
4147 #ifdef SWM_DEBUG
4148                 j = 0;
4149 #endif
4150                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4151                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4152                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4153
4154                         /* Adjust stack area for region bar and padding. */
4155                         g = r->g;
4156                         g.x += region_padding;
4157                         g.y += region_padding;
4158                         g.w -= 2 * border_width + 2 * region_padding;
4159                         g.h -= 2 * border_width + 2 * region_padding;
4160                         if (bar_enabled && r->ws->bar_enabled) {
4161                                 if (!bar_at_bottom)
4162                                         g.y += bar_height;
4163                                 g.h -= bar_height;
4164                         }
4165                         r->ws->cur_layout->l_stack(r->ws, &g);
4166                         r->ws->cur_layout->l_string(r->ws);
4167                         /* save r so we can track region changes */
4168                         r->ws->old_r = r;
4169                 }
4170         }
4171         if (font_adjusted)
4172                 font_adjusted--;
4173
4174         DNPRINTF(SWM_D_STACK, "stack: end\n");
4175 }
4176
4177 void
4178 store_float_geom(struct ws_win *win)
4179 {
4180         if (win == NULL || win->ws->r == NULL)
4181                 return;
4182
4183         /* retain window geom and region geom */
4184         win->g_float = win->g;
4185         win->g_float.x -= X(win->ws->r);
4186         win->g_float.y -= Y(win->ws->r);
4187         win->g_floatvalid = 1;
4188         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4189             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4190             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4191             win->g_float.w, win->g_float.h);
4192 }
4193
4194 void
4195 load_float_geom(struct ws_win *win)
4196 {
4197         if (win == NULL || win->ws->r == NULL)
4198                 return;
4199
4200         if (win->g_floatvalid) {
4201                 win->g = win->g_float;
4202                 X(win) += X(win->ws->r);
4203                 Y(win) += Y(win->ws->r);
4204                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4205                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4206                     HEIGHT(win));
4207         } else {
4208                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4209                     "is not set.\n", win->id);
4210         }
4211 }
4212
4213 void
4214 stack_floater(struct ws_win *win, struct swm_region *r)
4215 {
4216         if (win == NULL)
4217                 return;
4218
4219         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4220
4221         /*
4222          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4223          * geom on ws switches or return from max mode
4224          */
4225         if (win->floatmaxed || (r != r->ws->old_r &&
4226             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4227                 /* update geometry for the new region */
4228                 load_float_geom(win);
4229         }
4230
4231         win->floatmaxed = 0;
4232
4233         /*
4234          * if set to fullscreen mode, configure window to maximum size.
4235          */
4236         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4237                 if (!win->g_floatvalid)
4238                         store_float_geom(win);
4239
4240                 win->g = r->g;
4241         }
4242
4243         /*
4244          * remove border on fullscreen floater when in fullscreen mode or when
4245          * the quirk is present.
4246          */
4247         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4248             ((win->quirks & SWM_Q_FULLSCREEN) &&
4249              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4250                 if (win->bordered) {
4251                         win->bordered = 0;
4252                         X(win) += border_width;
4253                         Y(win) += border_width;
4254                 }
4255         } else if (!win->bordered) {
4256                 win->bordered = 1;
4257                 X(win) -= border_width;
4258                 Y(win) -= border_width;
4259         }
4260
4261         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4262                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4263                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4264         }
4265
4266         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4267             !(win->quirks & SWM_Q_ANYWHERE)) {
4268                 /*
4269                  * floaters and transients are auto-centred unless moved,
4270                  * resized or ANYWHERE quirk is set.
4271                  */
4272                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4273                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4274
4275                 store_float_geom(win);
4276         }
4277
4278         /* Ensure at least 1 pixel of the window is in the region. */
4279         region_containment(win, r, SWM_CW_ALLSIDES);
4280
4281         update_window(win);
4282 }
4283
4284 /*
4285  * Send keystrokes to terminal to decrease/increase the font size as the
4286  * window size changes.
4287  */
4288 void
4289 adjust_font(struct ws_win *win)
4290 {
4291         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4292             win->floating || win->transient)
4293                 return;
4294
4295         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4296             WIDTH(win) / win->sh.width_inc < term_width &&
4297             win->font_steps < SWM_MAX_FONT_STEPS) {
4298                 win->font_size_boundary[win->font_steps] =
4299                     (win->sh.width_inc * term_width) + win->sh.base_width;
4300                 win->font_steps++;
4301                 font_adjusted++;
4302                 win->last_inc = win->sh.width_inc;
4303                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4304         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4305             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4306                 win->font_steps--;
4307                 font_adjusted++;
4308                 win->last_inc = win->sh.width_inc;
4309                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4310         }
4311 }
4312
4313 #define SWAPXY(g)       do {                            \
4314         int tmp;                                        \
4315         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4316         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4317 } while (0)
4318 void
4319 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4320 {
4321         struct swm_geometry     win_g, r_g = *g;
4322         struct ws_win           *win, *fs_win = NULL;
4323         int                     i, j, s, stacks;
4324         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4325         int                     hrh, extra = 0, h_slice, last_h = 0;
4326         int                     split, colno, winno, mwin, msize, mscale;
4327         int                     remain, missing, v_slice, reconfigure = 0;
4328         int                     bordered = 1;
4329
4330         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4331             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4332
4333         winno = count_win(ws, 0);
4334         if (winno == 0 && count_win(ws, 1) == 0)
4335                 return;
4336
4337         TAILQ_FOREACH(win, &ws->winlist, entry)
4338                 if (!win->transient && !win->floating && !win->iconic)
4339                         break;
4340
4341         if (win == NULL)
4342                 goto notiles;
4343
4344         if (rot) {
4345                 w_inc = win->sh.width_inc;
4346                 w_base = win->sh.base_width;
4347                 mwin = ws->l_state.horizontal_mwin;
4348                 mscale = ws->l_state.horizontal_msize;
4349                 stacks = ws->l_state.horizontal_stacks;
4350                 SWAPXY(&r_g);
4351         } else {
4352                 w_inc = win->sh.height_inc;
4353                 w_base = win->sh.base_height;
4354                 mwin = ws->l_state.vertical_mwin;
4355                 mscale = ws->l_state.vertical_msize;
4356                 stacks = ws->l_state.vertical_stacks;
4357         }
4358         win_g = r_g;
4359
4360         if (stacks > winno - mwin)
4361                 stacks = winno - mwin;
4362         if (stacks < 1)
4363                 stacks = 1;
4364
4365         h_slice = r_g.h / SWM_H_SLICE;
4366         if (mwin && winno > mwin) {
4367                 v_slice = r_g.w / SWM_V_SLICE;
4368
4369                 split = mwin;
4370                 colno = split;
4371                 win_g.w = v_slice * mscale;
4372
4373                 if (w_inc > 1 && w_inc < v_slice) {
4374                         /* adjust for window's requested size increment */
4375                         remain = (win_g.w - w_base) % w_inc;
4376                         win_g.w -= remain;
4377                 }
4378
4379                 msize = win_g.w;
4380                 if (flip)
4381                         win_g.x += r_g.w - msize;
4382         } else {
4383                 msize = -2;
4384                 colno = split = winno / stacks;
4385                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4386                     2 * border_width) / stacks);
4387         }
4388         hrh = r_g.h / colno;
4389         extra = r_g.h - (colno * hrh);
4390         win_g.h = hrh - 2 * border_width;
4391
4392         /*  stack all the tiled windows */
4393         i = j = 0, s = stacks;
4394         TAILQ_FOREACH(win, &ws->winlist, entry) {
4395                 if (win->transient || win->floating || win->iconic)
4396                         continue;
4397
4398                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4399                         fs_win = win;
4400                         continue;
4401                 }
4402
4403                 if (split && i == split) {
4404                         colno = (winno - mwin) / stacks;
4405                         if (s <= (winno - mwin) % stacks)
4406                                 colno++;
4407                         split += colno;
4408                         hrh = r_g.h / colno;
4409                         extra = r_g.h - (colno * hrh);
4410
4411                         if (!flip)
4412                                 win_g.x += win_g.w + 2 * border_width +
4413                                     tile_gap;
4414
4415                         win_g.w = (r_g.w - msize -
4416                             (stacks * (2 * border_width + tile_gap))) / stacks;
4417                         if (s == 1)
4418                                 win_g.w += (r_g.w - msize -
4419                                     (stacks * (2 * border_width + tile_gap))) %
4420                                     stacks;
4421
4422                         if (flip)
4423                                 win_g.x -= win_g.w + 2 * border_width +
4424                                     tile_gap;
4425                         s--;
4426                         j = 0;
4427                 }
4428
4429                 win_g.h = hrh - 2 * border_width - tile_gap;
4430
4431                 if (rot) {
4432                         h_inc = win->sh.width_inc;
4433                         h_base = win->sh.base_width;
4434                 } else {
4435                         h_inc = win->sh.height_inc;
4436                         h_base = win->sh.base_height;
4437                 }
4438
4439                 if (j == colno - 1) {
4440                         win_g.h = hrh + extra;
4441                 } else if (h_inc > 1 && h_inc < h_slice) {
4442                         /* adjust for window's requested size increment */
4443                         remain = (win_g.h - h_base) % h_inc;
4444                         missing = h_inc - remain;
4445
4446                         if (missing <= extra || j == 0) {
4447                                 extra -= missing;
4448                                 win_g.h += missing;
4449                         } else {
4450                                 win_g.h -= remain;
4451                                 extra += remain;
4452                         }
4453                 }
4454
4455                 if (j == 0)
4456                         win_g.y = r_g.y;
4457                 else
4458                         win_g.y += last_h + 2 * border_width + tile_gap;
4459
4460                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4461                     winno == 1){
4462                         bordered = 0;
4463                         win_g.w += 2 * border_width;
4464                         win_g.h += 2 * border_width;
4465                 } else {
4466                         bordered = 1;
4467                 }
4468
4469                 if (rot) {
4470                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4471                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4472                                 reconfigure = 1;
4473                                 X(win) = win_g.y;
4474                                 Y(win) = win_g.x;
4475                                 WIDTH(win) = win_g.h;
4476                                 HEIGHT(win) = win_g.w;
4477                         }
4478                 } else {
4479                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4480                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4481                                 reconfigure = 1;
4482                                 X(win) = win_g.x;
4483                                 Y(win) = win_g.y;
4484                                 WIDTH(win) = win_g.w;
4485                                 HEIGHT(win) = win_g.h;
4486                         }
4487                 }
4488
4489                 if (bordered != win->bordered) {
4490                         reconfigure = 1;
4491                         win->bordered = bordered;
4492                 }
4493
4494                 if (reconfigure) {
4495                         adjust_font(win);
4496                         update_window(win);
4497                 }
4498
4499                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4500
4501                 last_h = win_g.h;
4502                 i++;
4503                 j++;
4504         }
4505
4506         /* Map/raise focused tiled window to top if windows could overlap. */
4507         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4508                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4509
4510 notiles:
4511         /* now, stack all the floaters and transients */
4512         TAILQ_FOREACH(win, &ws->winlist, entry) {
4513                 if (!win->transient && !win->floating)
4514                         continue;
4515                 if (win->iconic)
4516                         continue;
4517                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4518                         fs_win = win;
4519                         continue;
4520                 }
4521
4522                 stack_floater(win, ws->r);
4523                 map_window(win, XCB_WINDOW_NONE);
4524         }
4525
4526         /* Make sure fs_win is stacked last so it's on top. */
4527         if (fs_win) {
4528                 stack_floater(fs_win, ws->r);
4529                 map_window(fs_win, XCB_WINDOW_NONE);
4530         }
4531 }
4532
4533 void
4534 vertical_config(struct workspace *ws, int id)
4535 {
4536         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4537             id, ws->idx);
4538
4539         switch (id) {
4540         case SWM_ARG_ID_STACKRESET:
4541         case SWM_ARG_ID_STACKINIT:
4542                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4543                 ws->l_state.vertical_mwin = 1;
4544                 ws->l_state.vertical_stacks = 1;
4545                 break;
4546         case SWM_ARG_ID_MASTERSHRINK:
4547                 if (ws->l_state.vertical_msize > 1)
4548                         ws->l_state.vertical_msize--;
4549                 break;
4550         case SWM_ARG_ID_MASTERGROW:
4551                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4552                         ws->l_state.vertical_msize++;
4553                 break;
4554         case SWM_ARG_ID_MASTERADD:
4555                 ws->l_state.vertical_mwin++;
4556                 break;
4557         case SWM_ARG_ID_MASTERDEL:
4558                 if (ws->l_state.vertical_mwin > 0)
4559                         ws->l_state.vertical_mwin--;
4560                 break;
4561         case SWM_ARG_ID_STACKINC:
4562                 ws->l_state.vertical_stacks++;
4563                 break;
4564         case SWM_ARG_ID_STACKDEC:
4565                 if (ws->l_state.vertical_stacks > 1)
4566                         ws->l_state.vertical_stacks--;
4567                 break;
4568         case SWM_ARG_ID_FLIPLAYOUT:
4569                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4570                 break;
4571         default:
4572                 return;
4573         }
4574 }
4575
4576 void
4577 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4578 {
4579         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4580
4581         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4582 }
4583
4584 void
4585 horizontal_config(struct workspace *ws, int id)
4586 {
4587         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4588
4589         switch (id) {
4590         case SWM_ARG_ID_STACKRESET:
4591         case SWM_ARG_ID_STACKINIT:
4592                 ws->l_state.horizontal_mwin = 1;
4593                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4594                 ws->l_state.horizontal_stacks = 1;
4595                 break;
4596         case SWM_ARG_ID_MASTERSHRINK:
4597                 if (ws->l_state.horizontal_msize > 1)
4598                         ws->l_state.horizontal_msize--;
4599                 break;
4600         case SWM_ARG_ID_MASTERGROW:
4601                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4602                         ws->l_state.horizontal_msize++;
4603                 break;
4604         case SWM_ARG_ID_MASTERADD:
4605                 ws->l_state.horizontal_mwin++;
4606                 break;
4607         case SWM_ARG_ID_MASTERDEL:
4608                 if (ws->l_state.horizontal_mwin > 0)
4609                         ws->l_state.horizontal_mwin--;
4610                 break;
4611         case SWM_ARG_ID_STACKINC:
4612                 ws->l_state.horizontal_stacks++;
4613                 break;
4614         case SWM_ARG_ID_STACKDEC:
4615                 if (ws->l_state.horizontal_stacks > 1)
4616                         ws->l_state.horizontal_stacks--;
4617                 break;
4618         case SWM_ARG_ID_FLIPLAYOUT:
4619                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4620                 break;
4621         default:
4622                 return;
4623         }
4624 }
4625
4626 void
4627 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4628 {
4629         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4630
4631         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4632 }
4633
4634 /* fullscreen view */
4635 void
4636 max_stack(struct workspace *ws, struct swm_geometry *g)
4637 {
4638         struct swm_geometry     gg = *g;
4639         struct ws_win           *w, *win = NULL, *parent = NULL;
4640         int                     winno;
4641
4642         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4643
4644         if (ws == NULL)
4645                 return;
4646
4647         winno = count_win(ws, 0);
4648         if (winno == 0 && count_win(ws, 1) == 0)
4649                 return;
4650
4651         /* Figure out which top level window should be visible. */
4652         if (ws->focus_pending)
4653                 win = ws->focus_pending;
4654         else if (ws->focus)
4655                 win = ws->focus;
4656         else if (ws->focus_prev)
4657                 win = ws->focus_prev;
4658         else
4659                 win = TAILQ_FIRST(&ws->winlist);
4660
4661         if (win->transient)
4662                 parent = find_window(win->transient);
4663
4664         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4665
4666         /* maximize all top level windows */
4667         TAILQ_FOREACH(w, &ws->winlist, entry) {
4668                 if (w->transient || w->iconic)
4669                         continue;
4670
4671                 if (!w->mapped && w != win)
4672                         map_window(w, XCB_WINDOW_NONE);
4673
4674                 if (w->floating && !w->floatmaxed) {
4675                         /*
4676                          * retain geometry for retrieval on exit from
4677                          * max_stack mode
4678                          */
4679                         store_float_geom(w);
4680                         w->floatmaxed = 1;
4681                 }
4682
4683                 /* only reconfigure if necessary */
4684                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4685                     HEIGHT(w) != gg.h) {
4686                         w->g = gg;
4687                         if (bar_enabled && ws->bar_enabled){
4688                                 w->bordered = 1;
4689                         } else {
4690                                 w->bordered = 0;
4691                                 WIDTH(w) += 2 * border_width;
4692                                 HEIGHT(w) += 2 * border_width;
4693                         }
4694
4695                         update_window(w);
4696                 }
4697         }
4698
4699         /* If a parent exists, map/raise it first. */
4700         if (parent) {
4701                 map_window(parent, XCB_WINDOW_NONE);
4702
4703                 /* Map siblings next. */
4704                 TAILQ_FOREACH(w, &ws->winlist, entry)
4705                         if (w != win && !w->iconic &&
4706                             w->transient == parent->id) {
4707                                 stack_floater(w, ws->r);
4708                                 map_window(w, XCB_WINDOW_NONE);
4709                         }
4710         }
4711
4712         /* Map/raise focused window. */
4713         map_window(win, XCB_WINDOW_NONE);
4714
4715         /* Finally, map/raise children of focus window. */
4716         TAILQ_FOREACH(w, &ws->winlist, entry)
4717                 if (w->transient == win->id && !w->iconic) {
4718                         stack_floater(w, ws->r);
4719                         map_window(w, XCB_WINDOW_NONE);
4720                 }
4721 }
4722
4723 void
4724 send_to_rg(struct swm_region *r, union arg *args)
4725 {
4726         int                     ridx = args->id, i, num_screens;
4727         struct swm_region       *rr = NULL;
4728         union arg               a;
4729
4730         num_screens = get_screen_count();
4731         /* do nothing if we don't have more than one screen */
4732         if (!(num_screens > 1 || outputs > 1))
4733                 return;
4734
4735         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4736
4737         rr = TAILQ_FIRST(&r->s->rl);
4738         for (i = 0; i < ridx && rr != NULL; ++i)
4739                 rr = TAILQ_NEXT(rr, entry);
4740
4741         if (rr == NULL)
4742                 return;
4743
4744         a.id = rr->ws->idx;
4745
4746         send_to_ws(r, &a);
4747 }
4748
4749 struct swm_region *
4750 region_under(struct swm_screen *s, int x, int y)
4751 {
4752         struct swm_region       *r = NULL;
4753
4754         TAILQ_FOREACH(r, &s->rl, entry) {
4755                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4756                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4757                     WIDTH(r), HEIGHT(r), x, y);
4758                 if (X(r) <= x && x < MAX_X(r))
4759                         if (Y(r) <= y && y < MAX_Y(r))
4760                                 return (r);
4761         }
4762
4763         return (NULL);
4764 }
4765
4766 void
4767 send_to_ws(struct swm_region *r, union arg *args)
4768 {
4769         int                     wsid = args->id;
4770         struct ws_win           *win = NULL;
4771
4772         if (r && r->ws && r->ws->focus)
4773                 win = r->ws->focus;
4774         else
4775                 return;
4776
4777         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4778
4779         win_to_ws(win, wsid, 1);
4780
4781         /* Restack and set new focus. */
4782         stack();
4783
4784         if (focus_mode != SWM_FOCUS_FOLLOW) {
4785                 if (r->ws->focus_pending) {
4786                         focus_win(r->ws->focus_pending);
4787                         r->ws->focus_pending = NULL;
4788                 } else {
4789                         xcb_set_input_focus(conn,
4790                             XCB_INPUT_FOCUS_PARENT, r->id,
4791                             XCB_CURRENT_TIME);
4792                 }
4793         }
4794
4795         focus_flush();
4796 }
4797
4798 void
4799 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4800 {
4801         struct ws_win           *parent;
4802         struct workspace        *ws, *nws, *pws;
4803         char                    ws_idx_str[SWM_PROPLEN];
4804
4805         if (wsid >= workspace_limit)
4806                 return;
4807
4808         if (win->ws->idx == wsid)
4809                 return;
4810
4811         ws = win->ws;
4812         nws = &win->s->ws[wsid];
4813
4814         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4815             ws->idx, wsid);
4816
4817         /* Update the window's workspace property: _SWM_WS */
4818         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4819                 if (focus_mode != SWM_FOCUS_FOLLOW)
4820                         ws->focus_pending = get_focus_prev(win);
4821
4822                 /* Move the parent if this is a transient window. */
4823                 if (win->transient) {
4824                         parent = find_window(win->transient);
4825                         if (parent) {
4826                                 pws = parent->ws;
4827                                 /* Set new focus in parent's ws if needed. */
4828                                 if (pws->focus == parent) {
4829                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4830                                                 pws->focus_pending =
4831                                                     get_focus_prev(parent);
4832
4833                                         unfocus_win(parent);
4834
4835                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4836                                                 pws->focus = pws->focus_pending;
4837                                                 pws->focus_pending = NULL;
4838                                         }
4839                                 }
4840
4841                                 /* Don't unmap parent if new ws is visible */
4842                                 if (nws->r == NULL)
4843                                         unmap_window(parent);
4844
4845                                 /* Transfer */
4846                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4847                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4848                                 parent->ws = nws;
4849
4850                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4851                                     "property: _SWM_WS: %s\n", ws_idx_str);
4852                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4853                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4854                                     strlen(ws_idx_str), ws_idx_str);
4855                         }
4856                 }
4857
4858                 if (unfocus)
4859                         unfocus_win(win);
4860
4861                 /* Don't unmap if new ws is visible */
4862                 if (nws->r == NULL)
4863                         unmap_window(win);
4864
4865                 /* Transfer */
4866                 TAILQ_REMOVE(&ws->winlist, win, entry);
4867                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4868                 win->ws = nws;
4869
4870                 /* Set focus on new ws. */
4871                 unfocus_win(nws->focus);
4872                 nws->focus = win;
4873
4874                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4875                     ws_idx_str);
4876                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4877                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4878                     ws_idx_str);
4879         }
4880
4881         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4882 }
4883
4884 void
4885 pressbutton(struct swm_region *r, union arg *args)
4886 {
4887         /* suppress unused warning since var is needed */
4888         (void)r;
4889
4890         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4891             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4892         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4893             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4894 }
4895
4896 void
4897 raise_toggle(struct swm_region *r, union arg *args)
4898 {
4899         /* suppress unused warning since var is needed */
4900         (void)args;
4901
4902         if (r == NULL || r->ws == NULL)
4903                 return;
4904
4905         r->ws->always_raise = !r->ws->always_raise;
4906
4907         /* bring floaters back to top */
4908         if (!r->ws->always_raise)
4909                 stack();
4910
4911         focus_flush();
4912 }
4913
4914 void
4915 iconify(struct swm_region *r, union arg *args)
4916 {
4917         /* suppress unused warning since var is needed */
4918         (void)args;
4919
4920         if (r->ws->focus == NULL)
4921                 return;
4922
4923         set_swm_iconic(r->ws->focus, 1);
4924
4925         xcb_flush(conn);
4926 }
4927
4928 char *
4929 get_win_name(xcb_window_t win)
4930 {
4931         char                            *name = NULL;
4932         xcb_get_property_cookie_t       c;
4933         xcb_get_property_reply_t        *r;
4934
4935         /* First try _NET_WM_NAME for UTF-8. */
4936         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
4937             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4938         r = xcb_get_property_reply(conn, c, NULL);
4939         if (r && r->type == XCB_NONE) {
4940                 free(r);
4941                 /* Use WM_NAME instead; no UTF-8. */
4942                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4943                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4944                 r = xcb_get_property_reply(conn, c, NULL);
4945         }
4946
4947         if (r && r->type != XCB_NONE && r->length > 0)
4948                 name = strndup(xcb_get_property_value(r),
4949                     xcb_get_property_value_length(r));
4950         else
4951                 name = strdup("");
4952
4953         if (name == NULL)
4954                 err(1, "get_win_name: failed to allocate memory.");
4955
4956         free(r);
4957
4958         return (name);
4959 }
4960
4961 void
4962 uniconify(struct swm_region *r, union arg *args)
4963 {
4964         struct ws_win           *win;
4965         FILE                    *lfile;
4966         char                    *name;
4967         int                     count = 0;
4968
4969         DNPRINTF(SWM_D_MISC, "uniconify\n");
4970
4971         if (r == NULL || r->ws == NULL)
4972                 return;
4973
4974         /* make sure we have anything to uniconify */
4975         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4976                 if (win->ws == NULL)
4977                         continue; /* should never happen */
4978                 if (!win->iconic)
4979                         continue;
4980                 count++;
4981         }
4982         if (count == 0)
4983                 return;
4984
4985         search_r = r;
4986         search_resp_action = SWM_SEARCH_UNICONIFY;
4987
4988         spawn_select(r, args, "search", &searchpid);
4989
4990         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4991                 return;
4992
4993         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4994                 if (win->ws == NULL)
4995                         continue; /* should never happen */
4996                 if (!win->iconic)
4997                         continue;
4998
4999                 name = get_win_name(win->id);
5000                 fprintf(lfile, "%s.%u\n", name, win->id);
5001                 free(name);
5002         }
5003
5004         fclose(lfile);
5005 }
5006
5007 void
5008 name_workspace(struct swm_region *r, union arg *args)
5009 {
5010         FILE                    *lfile;
5011
5012         DNPRINTF(SWM_D_MISC, "name_workspace\n");
5013
5014         if (r == NULL)
5015                 return;
5016
5017         search_r = r;
5018         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
5019
5020         spawn_select(r, args, "name_workspace", &searchpid);
5021
5022         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5023                 return;
5024
5025         fprintf(lfile, "%s", "");
5026         fclose(lfile);
5027 }
5028
5029 void
5030 search_workspace(struct swm_region *r, union arg *args)
5031 {
5032         int                     i;
5033         struct workspace        *ws;
5034         FILE                    *lfile;
5035
5036         DNPRINTF(SWM_D_MISC, "search_workspace\n");
5037
5038         if (r == NULL)
5039                 return;
5040
5041         search_r = r;
5042         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5043
5044         spawn_select(r, args, "search", &searchpid);
5045
5046         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5047                 return;
5048
5049         for (i = 0; i < workspace_limit; i++) {
5050                 ws = &r->s->ws[i];
5051                 if (ws == NULL)
5052                         continue;
5053                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5054                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5055         }
5056
5057         fclose(lfile);
5058 }
5059
5060 void
5061 search_win_cleanup(void)
5062 {
5063         struct search_window    *sw = NULL;
5064
5065         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5066                 xcb_destroy_window(conn, sw->indicator);
5067                 TAILQ_REMOVE(&search_wl, sw, entry);
5068                 free(sw);
5069         }
5070 }
5071
5072 void
5073 search_win(struct swm_region *r, union arg *args)
5074 {
5075         struct ws_win           *win = NULL;
5076         struct search_window    *sw = NULL;
5077         xcb_window_t            w;
5078         uint32_t                wa[2];
5079         int                     i, width, height;
5080         char                    s[8];
5081         FILE                    *lfile;
5082         size_t                  len;
5083         XftDraw                 *draw;
5084         XGlyphInfo              info;
5085         GC                      l_draw;
5086         XGCValues               l_gcv;
5087         XRectangle              l_ibox, l_lbox;
5088
5089         DNPRINTF(SWM_D_MISC, "search_win\n");
5090
5091         search_r = r;
5092         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5093
5094         spawn_select(r, args, "search", &searchpid);
5095
5096         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5097                 return;
5098
5099         TAILQ_INIT(&search_wl);
5100
5101         i = 1;
5102         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5103                 if (win->iconic)
5104                         continue;
5105
5106                 sw = calloc(1, sizeof(struct search_window));
5107                 if (sw == NULL) {
5108                         warn("search_win: calloc");
5109                         fclose(lfile);
5110                         search_win_cleanup();
5111                         return;
5112                 }
5113                 sw->idx = i;
5114                 sw->win = win;
5115
5116                 snprintf(s, sizeof s, "%d", i);
5117                 len = strlen(s);
5118
5119                 w = xcb_generate_id(conn);
5120                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5121                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5122
5123                 if (bar_font_legacy) {
5124                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5125                         width = l_lbox.width + 4;
5126                         height = bar_fs_extents->max_logical_extent.height + 4;
5127                 } else {
5128                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5129                             &info);
5130                         width = info.width + 4;
5131                         height = bar_font->height + 4;
5132                 }
5133
5134                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5135                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5136                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5137                     XCB_CW_BORDER_PIXEL, wa);
5138
5139                 xcb_map_window(conn, w);
5140
5141                 sw->indicator = w;
5142                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5143
5144                 if (bar_font_legacy) {
5145                         l_gcv.graphics_exposures = 0;
5146                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5147
5148                         XSetForeground(display, l_draw,
5149                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5150
5151                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5152                             (bar_fs_extents->max_logical_extent.height -
5153                             l_lbox.height) / 2 - l_lbox.y, s, len);
5154
5155                         XFreeGC(display, l_draw);
5156                 } else {
5157
5158                         draw = XftDrawCreate(display, w,
5159                             DefaultVisual(display, r->s->idx),
5160                             DefaultColormap(display, r->s->idx));
5161
5162                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5163                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5164                             bar_font->descent, (FcChar8 *)s, len);
5165
5166                         XftDrawDestroy(draw);
5167                 }
5168
5169                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5170
5171                 fprintf(lfile, "%d\n", i);
5172                 i++;
5173         }
5174
5175         fclose(lfile);
5176
5177         xcb_flush(conn);
5178 }
5179
5180 void
5181 search_resp_uniconify(const char *resp, size_t len)
5182 {
5183         char                    *name;
5184         struct ws_win           *win;
5185         char                    *s;
5186
5187         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5188
5189         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5190                 if (!win->iconic)
5191                         continue;
5192                 name = get_win_name(win->id);
5193                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5194                         free(name);
5195                         continue;
5196                 }
5197                 free(name);
5198                 if (strncmp(s, resp, len) == 0) {
5199                         /* XXX this should be a callback to generalize */
5200                         set_swm_iconic(win, 0);
5201                         free(s);
5202                         break;
5203                 }
5204                 free(s);
5205         }
5206 }
5207
5208 void
5209 search_resp_name_workspace(const char *resp, size_t len)
5210 {
5211         struct workspace        *ws;
5212
5213         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5214
5215         if (search_r->ws == NULL)
5216                 return;
5217         ws = search_r->ws;
5218
5219         if (ws->name) {
5220                 free(search_r->ws->name);
5221                 search_r->ws->name = NULL;
5222         }
5223
5224         if (len > 1) {
5225                 ws->name = strdup(resp);
5226                 if (ws->name == NULL) {
5227                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5228                             "strdup: %s", strerror(errno));
5229                         return;
5230                 }
5231         }
5232 }
5233
5234 void
5235 search_resp_search_workspace(const char *resp)
5236 {
5237         char                    *p, *q;
5238         int                     ws_idx;
5239         const char              *errstr;
5240         union arg               a;
5241
5242         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5243
5244         q = strdup(resp);
5245         if (q == NULL) {
5246                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5247                     strerror(errno));
5248                 return;
5249         }
5250         p = strchr(q, ':');
5251         if (p != NULL)
5252                 *p = '\0';
5253         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5254         if (errstr) {
5255                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5256                     errstr, q);
5257                 free(q);
5258                 return;
5259         }
5260         free(q);
5261         a.id = ws_idx - 1;
5262         switchws(search_r, &a);
5263 }
5264
5265 void
5266 search_resp_search_window(const char *resp)
5267 {
5268         char                    *s;
5269         int                     idx;
5270         const char              *errstr;
5271         struct search_window    *sw;
5272
5273         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5274
5275         s = strdup(resp);
5276         if (s == NULL) {
5277                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5278                     strerror(errno));
5279                 return;
5280         }
5281
5282         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5283         if (errstr) {
5284                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5285                     errstr, s);
5286                 free(s);
5287                 return;
5288         }
5289         free(s);
5290
5291         TAILQ_FOREACH(sw, &search_wl, entry)
5292                 if (idx == sw->idx) {
5293                         focus_win(sw->win);
5294                         break;
5295                 }
5296 }
5297
5298 #define MAX_RESP_LEN    1024
5299
5300 void
5301 search_do_resp(void)
5302 {
5303         ssize_t                 rbytes;
5304         char                    *resp;
5305         size_t                  len;
5306
5307         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5308
5309         search_resp = 0;
5310         searchpid = 0;
5311
5312         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5313                 warn("search: calloc");
5314                 goto done;
5315         }
5316
5317         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5318         if (rbytes <= 0) {
5319                 warn("search: read error");
5320                 goto done;
5321         }
5322         resp[rbytes] = '\0';
5323
5324         /* XXX:
5325          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5326          * newline, so work around that by sanitizing the resp now.
5327          */
5328         resp[strcspn(resp, "\n")] = '\0';
5329         len = strlen(resp);
5330
5331         switch (search_resp_action) {
5332         case SWM_SEARCH_UNICONIFY:
5333                 search_resp_uniconify(resp, len);
5334                 break;
5335         case SWM_SEARCH_NAME_WORKSPACE:
5336                 search_resp_name_workspace(resp, len);
5337                 break;
5338         case SWM_SEARCH_SEARCH_WORKSPACE:
5339                 search_resp_search_workspace(resp);
5340                 break;
5341         case SWM_SEARCH_SEARCH_WINDOW:
5342                 search_resp_search_window(resp);
5343                 break;
5344         }
5345
5346 done:
5347         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5348                 search_win_cleanup();
5349
5350         search_resp_action = SWM_SEARCH_NONE;
5351         close(select_resp_pipe[0]);
5352         free(resp);
5353
5354         xcb_flush(conn);
5355 }
5356
5357 void
5358 wkill(struct swm_region *r, union arg *args)
5359 {
5360         DNPRINTF(SWM_D_MISC, "wkill: win %#x, id: %d\n", WINID(r->ws->focus),
5361             args->id);
5362
5363         if (r->ws->focus == NULL)
5364                 return;
5365
5366         if (args->id == SWM_ARG_ID_KILLWINDOW)
5367                 xcb_kill_client(conn, r->ws->focus->id);
5368         else
5369                 if (r->ws->focus->can_delete)
5370                         client_msg(r->ws->focus, a_delete, 0);
5371
5372         focus_flush();
5373 }
5374
5375 int
5376 floating_toggle_win(struct ws_win *win)
5377 {
5378         if (win == NULL)
5379                 return (0);
5380
5381         if (win->ws->r == NULL)
5382                 return (0);
5383
5384         /* reject floating toggles in max stack mode */
5385         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5386                 return (0);
5387
5388         if (win->floating) {
5389                 if (!win->floatmaxed) {
5390                         /* retain position for refloat */
5391                         store_float_geom(win);
5392                 }
5393                 win->floating = 0;
5394         } else {
5395                 load_float_geom(win);
5396                 win->floating = 1;
5397         }
5398
5399         ewmh_update_actions(win);
5400
5401         return (1);
5402 }
5403
5404 void
5405 floating_toggle(struct swm_region *r, union arg *args)
5406 {
5407         struct ws_win           *win = r->ws->focus;
5408
5409         /* suppress unused warning since var is needed */
5410         (void)args;
5411
5412         if (win == NULL)
5413                 return;
5414
5415         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5416                 return;
5417
5418         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5419             _NET_WM_STATE_TOGGLE);
5420
5421         stack();
5422
5423         if (win == win->ws->focus)
5424                 focus_win(win);
5425
5426         focus_flush();
5427 }
5428
5429 void
5430 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5431 {
5432         struct swm_geometry             g = r->g;
5433         int                             rt, lt, tp, bm, bw;
5434
5435         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5436
5437         /*
5438          * Perpendicular distance of each side of the window to the respective
5439          * side of the region boundary.  Positive values indicate the side of
5440          * the window has passed beyond the region boundary.
5441          */
5442         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5443         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5444         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5445         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5446
5447         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5448             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5449             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5450             YESNO(opts & SWM_CW_HARDBOUNDARY));
5451
5452         /*
5453          * Disable containment if any of the flagged sides went beyond the
5454          * containment boundary, or if containment is disabled.
5455          */
5456         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5457             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5458                 /* Make sure window has at least 1 pixel in the region */
5459                 g.x += 1 - WIDTH(win);
5460                 g.y += 1 - HEIGHT(win);
5461                 g.w += 2 * WIDTH(win) - 2;
5462                 g.h += 2 * HEIGHT(win) - 2;
5463         }
5464
5465         constrain_window(win, &g, &opts);
5466 }
5467
5468 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5469 void
5470 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5471 {
5472         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5473             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5474             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5475             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5476             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5477             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5478             YESNO(*opts & SWM_CW_RESIZABLE));
5479
5480         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5481                 if (*opts & SWM_CW_RESIZABLE)
5482                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5483                 else
5484                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5485         }
5486
5487         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5488                 if (*opts & SWM_CW_RESIZABLE)
5489                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5490
5491                 X(win) = b->x - BORDER(win);
5492         }
5493
5494         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5495                 if (*opts & SWM_CW_RESIZABLE)
5496                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5497                 else
5498                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5499         }
5500
5501         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5502                 if (*opts & SWM_CW_RESIZABLE)
5503                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5504
5505                 Y(win) = b->y - BORDER(win);
5506         }
5507
5508         if (*opts & SWM_CW_RESIZABLE) {
5509                 if (WIDTH(win) < 1)
5510                         WIDTH(win) = 1;
5511                 if (HEIGHT(win) < 1)
5512                         HEIGHT(win) = 1;
5513         }
5514 }
5515
5516 void
5517 update_window(struct ws_win *win)
5518 {
5519         uint16_t        mask;
5520         uint32_t        wc[5];
5521
5522         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5523             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5524             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5525         wc[0] = X(win);
5526         wc[1] = Y(win);
5527         wc[2] = WIDTH(win);
5528         wc[3] = HEIGHT(win);
5529         wc[4] = BORDER(win);
5530
5531         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5532             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5533             wc[3], YESNO(win->bordered));
5534
5535         xcb_configure_window(conn, win->id, mask, wc);
5536 }
5537
5538 #define SWM_RESIZE_STEPS        (50)
5539
5540 void
5541 resize(struct ws_win *win, union arg *args)
5542 {
5543         xcb_timestamp_t         timestamp = 0;
5544         struct swm_region       *r = NULL;
5545         int                     resize_stp = 0;
5546         struct swm_geometry     g;
5547         int                     top = 0, left = 0, resizing;
5548         int                     dx, dy;
5549         xcb_cursor_t                    cursor;
5550         xcb_query_pointer_reply_t       *xpr = NULL;
5551         xcb_generic_event_t             *evt;
5552         xcb_motion_notify_event_t       *mne;
5553
5554         if (win == NULL)
5555                 return;
5556         r = win->ws->r;
5557
5558         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5559                 return;
5560
5561         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5562             "transient: 0x%x\n", win->id, YESNO(win->floating),
5563             win->transient);
5564
5565         if (!win->transient && !win->floating)
5566                 return;
5567
5568         /* reject resizes in max mode for floaters (transient ok) */
5569         if (win->floatmaxed)
5570                 return;
5571
5572         win->manual = 1;
5573         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5574             _NET_WM_STATE_ADD);
5575
5576         stack();
5577
5578         focus_flush();
5579
5580         /* It's possible for win to have been freed during focus_flush(). */
5581         if (validate_win(win)) {
5582                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5583                 goto out;
5584         }
5585
5586         switch (args->id) {
5587         case SWM_ARG_ID_WIDTHSHRINK:
5588                 WIDTH(win) -= SWM_RESIZE_STEPS;
5589                 resize_stp = 1;
5590                 break;
5591         case SWM_ARG_ID_WIDTHGROW:
5592                 WIDTH(win) += SWM_RESIZE_STEPS;
5593                 resize_stp = 1;
5594                 break;
5595         case SWM_ARG_ID_HEIGHTSHRINK:
5596                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5597                 resize_stp = 1;
5598                 break;
5599         case SWM_ARG_ID_HEIGHTGROW:
5600                 HEIGHT(win) += SWM_RESIZE_STEPS;
5601                 resize_stp = 1;
5602                 break;
5603         default:
5604                 break;
5605         }
5606         if (resize_stp) {
5607                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5608                     SWM_CW_HARDBOUNDARY);
5609                 update_window(win);
5610                 store_float_geom(win);
5611                 return;
5612         }
5613
5614         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5615             SWM_CW_SOFTBOUNDARY);
5616         update_window(win);
5617
5618         /* get cursor offset from window root */
5619         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5620             NULL);
5621         if (xpr == NULL)
5622                 return;
5623
5624         g = win->g;
5625
5626         if (xpr->win_x < WIDTH(win) / 2)
5627                 left = 1;
5628
5629         if (xpr->win_y < HEIGHT(win) / 2)
5630                 top = 1;
5631
5632         if (args->id == SWM_ARG_ID_CENTER)
5633                 cursor = cursors[XC_SIZING].cid;
5634         else if (top)
5635                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5636                     XC_TOP_RIGHT_CORNER].cid;
5637         else
5638                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5639                     XC_BOTTOM_RIGHT_CORNER].cid;
5640
5641         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5642             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5643             XCB_CURRENT_TIME),
5644
5645         xcb_flush(conn);
5646         resizing = 1;
5647         while (resizing && (evt = xcb_wait_for_event(conn))) {
5648                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5649                 case XCB_BUTTON_RELEASE:
5650                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5651                         resizing = 0;
5652                         break;
5653                 case XCB_MOTION_NOTIFY:
5654                         mne = (xcb_motion_notify_event_t *)evt;
5655                         /* cursor offset/delta from start of the operation */
5656                         dx = mne->root_x - xpr->root_x;
5657                         dy = mne->root_y - xpr->root_y;
5658
5659                         /* vertical */
5660                         if (top)
5661                                 dy = -dy;
5662
5663                         if (args->id == SWM_ARG_ID_CENTER) {
5664                                 if (g.h / 2 + dy < 1)
5665                                         dy = 1 - g.h / 2;
5666
5667                                 Y(win) = g.y - dy;
5668                                 HEIGHT(win) = g.h + 2 * dy;
5669                         } else {
5670                                 if (g.h + dy < 1)
5671                                         dy = 1 - g.h;
5672
5673                                 if (top)
5674                                         Y(win) = g.y - dy;
5675
5676                                 HEIGHT(win) = g.h + dy;
5677                         }
5678
5679                         /* horizontal */
5680                         if (left)
5681                                 dx = -dx;
5682
5683                         if (args->id == SWM_ARG_ID_CENTER) {
5684                                 if (g.w / 2 + dx < 1)
5685                                         dx = 1 - g.w / 2;
5686
5687                                 X(win) = g.x - dx;
5688                                 WIDTH(win) = g.w + 2 * dx;
5689                         } else {
5690                                 if (g.w + dx < 1)
5691                                         dx = 1 - g.w;
5692
5693                                 if (left)
5694                                         X(win) = g.x - dx;
5695
5696                                 WIDTH(win) = g.w + dx;
5697                         }
5698
5699                         /* not free, don't sync more than 120 times / second */
5700                         if ((mne->time - timestamp) > (1000 / 120) ) {
5701                                 timestamp = mne->time;
5702                                 regionize(win, mne->root_x, mne->root_y);
5703                                 region_containment(win, r, SWM_CW_ALLSIDES |
5704                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5705                                     SWM_CW_SOFTBOUNDARY);
5706                                 update_window(win);
5707                                 xcb_flush(conn);
5708                         }
5709                         break;
5710                 default:
5711                         event_handle(evt);
5712
5713                         /* It's possible for win to have been freed above. */
5714                         if (validate_win(win)) {
5715                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5716                                 goto out;
5717                         }
5718                         break;
5719                 }
5720                 free(evt);
5721         }
5722         if (timestamp) {
5723                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5724                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5725                 update_window(win);
5726                 xcb_flush(conn);
5727         }
5728         store_float_geom(win);
5729 out:
5730         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5731         free(xpr);
5732         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5733 }
5734
5735 void
5736 resize_step(struct swm_region *r, union arg *args)
5737 {
5738         struct ws_win           *win = NULL;
5739
5740         if (r && r->ws && r->ws->focus)
5741                 win = r->ws->focus;
5742         else
5743                 return;
5744
5745         resize(win, args);
5746         focus_flush();
5747 }
5748
5749 /* Try to set window region based on supplied coordinates or window center. */
5750 void
5751 regionize(struct ws_win *win, int x, int y)
5752 {
5753         struct swm_region *r = NULL;
5754
5755         r = region_under(win->s, x, y);
5756         if (r == NULL)
5757                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5758                     Y(win) + HEIGHT(win) / 2);
5759
5760         if (r && r != win->ws->r) {
5761                 win_to_ws(win, r->ws->idx, 0);
5762                 set_region(r);
5763         }
5764 }
5765
5766 #define SWM_MOVE_STEPS  (50)
5767
5768 void
5769 move(struct ws_win *win, union arg *args)
5770 {
5771         xcb_timestamp_t         timestamp = 0;
5772         int                     move_stp = 0, moving;
5773         xcb_query_pointer_reply_t       *qpr = NULL;
5774         xcb_generic_event_t             *evt;
5775         xcb_motion_notify_event_t       *mne;
5776
5777         if (win == NULL)
5778                 return;
5779
5780         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5781                 return;
5782
5783         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5784             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5785
5786         /* in max_stack mode should only move transients */
5787         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5788                 return;
5789
5790         if (!win->manual) {
5791                 win->manual = 1;
5792                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5793                     _NET_WM_STATE_ADD);
5794         }
5795
5796         /* When a stacked win is moved, float it and restack. */
5797         if (!win->floating && !win->transient) {
5798                 store_float_geom(win);
5799                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5800                     _NET_WM_STATE_ADD);
5801                 stack();
5802         }
5803
5804         focus_flush();
5805
5806         /* It's possible for win to have been freed during focus_flush(). */
5807         if (validate_win(win)) {
5808                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5809                 goto out;
5810         }
5811
5812         move_stp = 0;
5813         switch (args->id) {
5814         case SWM_ARG_ID_MOVELEFT:
5815                 X(win) -= (SWM_MOVE_STEPS - border_width);
5816                 move_stp = 1;
5817                 break;
5818         case SWM_ARG_ID_MOVERIGHT:
5819                 X(win) += (SWM_MOVE_STEPS - border_width);
5820                 move_stp = 1;
5821                 break;
5822         case SWM_ARG_ID_MOVEUP:
5823                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5824                 move_stp = 1;
5825                 break;
5826         case SWM_ARG_ID_MOVEDOWN:
5827                 Y(win) += (SWM_MOVE_STEPS - border_width);
5828                 move_stp = 1;
5829                 break;
5830         default:
5831                 break;
5832         }
5833         if (move_stp) {
5834                 regionize(win, -1, -1);
5835                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5836                 update_window(win);
5837                 store_float_geom(win);
5838                 return;
5839         }
5840
5841         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5842             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5843             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5844
5845         /* get cursor offset from window root */
5846         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5847                 NULL);
5848         if (qpr == NULL) {
5849                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5850                 return;
5851         }
5852
5853         regionize(win, qpr->root_x, qpr->root_y);
5854         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5855             SWM_CW_SOFTBOUNDARY);
5856         update_window(win);
5857         xcb_flush(conn);
5858         moving = 1;
5859         while (moving && (evt = xcb_wait_for_event(conn))) {
5860                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5861                 case XCB_BUTTON_RELEASE:
5862                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5863                         moving = 0;
5864                         break;
5865                 case XCB_MOTION_NOTIFY:
5866                         mne = (xcb_motion_notify_event_t *)evt;
5867                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5868                         X(win) = mne->root_x - qpr->win_x - border_width;
5869                         Y(win) = mne->root_y - qpr->win_y - border_width;
5870
5871                         /* not free, don't sync more than 120 times / second */
5872                         if ((mne->time - timestamp) > (1000 / 120) ) {
5873                                 timestamp = mne->time;
5874                                 regionize(win, mne->root_x, mne->root_y);
5875                                 region_containment(win, win->ws->r,
5876                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5877                                 update_window(win);
5878                                 xcb_flush(conn);
5879                         }
5880                         break;
5881                 default:
5882                         event_handle(evt);
5883
5884                         /* It's possible for win to have been freed above. */
5885                         if (validate_win(win)) {
5886                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5887                                 goto out;
5888                         }
5889                         break;
5890                 }
5891                 free(evt);
5892         }
5893         if (timestamp) {
5894                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5895                     SWM_CW_SOFTBOUNDARY);
5896                 update_window(win);
5897                 xcb_flush(conn);
5898         }
5899         store_float_geom(win);
5900 out:
5901         free(qpr);
5902         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5903         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5904 }
5905
5906 void
5907 move_step(struct swm_region *r, union arg *args)
5908 {
5909         struct ws_win           *win = NULL;
5910
5911         if (r && r->ws && r->ws->focus)
5912                 win = r->ws->focus;
5913         else
5914                 return;
5915
5916         if (!win->transient && !win->floating)
5917                 return;
5918
5919         move(win, args);
5920         focus_flush();
5921 }
5922
5923 /* key definitions */
5924 struct keyfunc {
5925         char                    name[SWM_FUNCNAME_LEN];
5926         void                    (*func)(struct swm_region *r, union arg *);
5927         union arg               args;
5928 } keyfuncs[KF_INVALID + 1] = {
5929         /* name                 function        argument */
5930         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5931         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5932         { "button2",            pressbutton,    {2} },
5933         { "cycle_layout",       cycle_layout,   {0} },
5934         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5935         { "float_toggle",       floating_toggle,{0} },
5936         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5937         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5938         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5939         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
5940         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5941         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5942         { "iconify",            iconify,        {0} },
5943         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5944         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5945         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5946         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5947         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5948         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5949         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5950         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5951         { "mvrg_1",             send_to_rg,     {.id = 0} },
5952         { "mvrg_2",             send_to_rg,     {.id = 1} },
5953         { "mvrg_3",             send_to_rg,     {.id = 2} },
5954         { "mvrg_4",             send_to_rg,     {.id = 3} },
5955         { "mvrg_5",             send_to_rg,     {.id = 4} },
5956         { "mvrg_6",             send_to_rg,     {.id = 5} },
5957         { "mvrg_7",             send_to_rg,     {.id = 6} },
5958         { "mvrg_8",             send_to_rg,     {.id = 7} },
5959         { "mvrg_9",             send_to_rg,     {.id = 8} },
5960         { "mvws_1",             send_to_ws,     {.id = 0} },
5961         { "mvws_2",             send_to_ws,     {.id = 1} },
5962         { "mvws_3",             send_to_ws,     {.id = 2} },
5963         { "mvws_4",             send_to_ws,     {.id = 3} },
5964         { "mvws_5",             send_to_ws,     {.id = 4} },
5965         { "mvws_6",             send_to_ws,     {.id = 5} },
5966         { "mvws_7",             send_to_ws,     {.id = 6} },
5967         { "mvws_8",             send_to_ws,     {.id = 7} },
5968         { "mvws_9",             send_to_ws,     {.id = 8} },
5969         { "mvws_10",            send_to_ws,     {.id = 9} },
5970         { "mvws_11",            send_to_ws,     {.id = 10} },
5971         { "mvws_12",            send_to_ws,     {.id = 11} },
5972         { "mvws_13",            send_to_ws,     {.id = 12} },
5973         { "mvws_14",            send_to_ws,     {.id = 13} },
5974         { "mvws_15",            send_to_ws,     {.id = 14} },
5975         { "mvws_16",            send_to_ws,     {.id = 15} },
5976         { "mvws_17",            send_to_ws,     {.id = 16} },
5977         { "mvws_18",            send_to_ws,     {.id = 17} },
5978         { "mvws_19",            send_to_ws,     {.id = 18} },
5979         { "mvws_20",            send_to_ws,     {.id = 19} },
5980         { "mvws_21",            send_to_ws,     {.id = 20} },
5981         { "mvws_22",            send_to_ws,     {.id = 21} },
5982         { "name_workspace",     name_workspace, {0} },
5983         { "quit",               quit,           {0} },
5984         { "raise_toggle",       raise_toggle,   {0} },
5985         { "restart",            restart,        {0} },
5986         { "rg_1",               focusrg,        {.id = 0} },
5987         { "rg_2",               focusrg,        {.id = 1} },
5988         { "rg_3",               focusrg,        {.id = 2} },
5989         { "rg_4",               focusrg,        {.id = 3} },
5990         { "rg_5",               focusrg,        {.id = 4} },
5991         { "rg_6",               focusrg,        {.id = 5} },
5992         { "rg_7",               focusrg,        {.id = 6} },
5993         { "rg_8",               focusrg,        {.id = 7} },
5994         { "rg_9",               focusrg,        {.id = 8} },
5995         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5996         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5997         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5998         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5999         { "search_win",         search_win,     {0} },
6000         { "search_workspace",   search_workspace,       {0} },
6001         { "spawn_custom",       NULL,           {0} },
6002         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
6003         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
6004         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
6005         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
6006         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
6007         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
6008         { "uniconify",          uniconify,      {0} },
6009         { "version",            version,        {0} },
6010         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
6011         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
6012         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
6013         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
6014         { "ws_1",               switchws,       {.id = 0} },
6015         { "ws_2",               switchws,       {.id = 1} },
6016         { "ws_3",               switchws,       {.id = 2} },
6017         { "ws_4",               switchws,       {.id = 3} },
6018         { "ws_5",               switchws,       {.id = 4} },
6019         { "ws_6",               switchws,       {.id = 5} },
6020         { "ws_7",               switchws,       {.id = 6} },
6021         { "ws_8",               switchws,       {.id = 7} },
6022         { "ws_9",               switchws,       {.id = 8} },
6023         { "ws_10",              switchws,       {.id = 9} },
6024         { "ws_11",              switchws,       {.id = 10} },
6025         { "ws_12",              switchws,       {.id = 11} },
6026         { "ws_13",              switchws,       {.id = 12} },
6027         { "ws_14",              switchws,       {.id = 13} },
6028         { "ws_15",              switchws,       {.id = 14} },
6029         { "ws_16",              switchws,       {.id = 15} },
6030         { "ws_17",              switchws,       {.id = 16} },
6031         { "ws_18",              switchws,       {.id = 17} },
6032         { "ws_19",              switchws,       {.id = 18} },
6033         { "ws_20",              switchws,       {.id = 19} },
6034         { "ws_21",              switchws,       {.id = 20} },
6035         { "ws_22",              switchws,       {.id = 21} },
6036         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
6037         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6038         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6039         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6040         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6041         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6042         { "ws_prior",           priorws,        {0} },
6043         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6044         { "invalid key func",   NULL,           {0} },
6045 };
6046
6047 int
6048 key_cmp(struct key *kp1, struct key *kp2)
6049 {
6050         if (kp1->keysym < kp2->keysym)
6051                 return (-1);
6052         if (kp1->keysym > kp2->keysym)
6053                 return (1);
6054
6055         if (kp1->mod < kp2->mod)
6056                 return (-1);
6057         if (kp1->mod > kp2->mod)
6058                 return (1);
6059
6060         return (0);
6061 }
6062
6063 /* mouse */
6064 enum { client_click, root_click };
6065 struct button {
6066         unsigned int            action;
6067         unsigned int            mask;
6068         unsigned int            button;
6069         void                    (*func)(struct ws_win *, union arg *);
6070         union arg               args;
6071 } buttons[] = {
6072 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6073           /* action     key             mouse button    func    args */
6074         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6075         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6076         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6077 #undef MODKEY_SHIFT
6078 };
6079
6080 void
6081 update_modkey(unsigned int mod)
6082 {
6083         int                     i;
6084         struct key              *kp;
6085
6086         mod_key = mod;
6087         RB_FOREACH(kp, key_tree, &keys)
6088                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6089                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6090                 else
6091                         kp->mod = mod;
6092
6093         for (i = 0; i < LENGTH(buttons); i++)
6094                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6095                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6096                 else
6097                         buttons[i].mask = mod;
6098 }
6099
6100 int
6101 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6102     char ***ret_args)
6103 {
6104         struct spawn_prog       *prog = NULL;
6105         int                     i, c;
6106         char                    *ap, **real_args;
6107
6108         /* suppress unused warning since var is needed */
6109         (void)args;
6110
6111         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6112
6113         /* find program */
6114         TAILQ_FOREACH(prog, &spawns, entry) {
6115                 if (strcasecmp(spawn_name, prog->name) == 0)
6116                         break;
6117         }
6118         if (prog == NULL) {
6119                 warnx("spawn_custom: program %s not found", spawn_name);
6120                 return (-1);
6121         }
6122
6123         /* make room for expanded args */
6124         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6125                 err(1, "spawn_custom: calloc real_args");
6126
6127         /* expand spawn_args into real_args */
6128         for (i = c = 0; i < prog->argc; i++) {
6129                 ap = prog->argv[i];
6130                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6131                 if (strcasecmp(ap, "$bar_border") == 0) {
6132                         if ((real_args[c] =
6133                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6134                             == NULL)
6135                                 err(1,  "spawn_custom border color");
6136                 } else if (strcasecmp(ap, "$bar_color") == 0) {
6137                         if ((real_args[c] =
6138                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6139                             == NULL)
6140                                 err(1, "spawn_custom bar color");
6141                 } else if (strcasecmp(ap, "$bar_font") == 0) {
6142                         if ((real_args[c] = strdup(bar_fonts))
6143                             == NULL)
6144                                 err(1, "spawn_custom bar fonts");
6145                 } else if (strcasecmp(ap, "$bar_font_color") == 0) {
6146                         if ((real_args[c] =
6147                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6148                             == NULL)
6149                                 err(1, "spawn_custom color font");
6150                 } else if (strcasecmp(ap, "$color_focus") == 0) {
6151                         if ((real_args[c] =
6152                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6153                             == NULL)
6154                                 err(1, "spawn_custom color focus");
6155                 } else if (strcasecmp(ap, "$color_unfocus") == 0) {
6156                         if ((real_args[c] =
6157                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6158                             == NULL)
6159                                 err(1, "spawn_custom color unfocus");
6160                 } else if (strcasecmp(ap, "$region_index") == 0) {
6161                         if (asprintf(&real_args[c], "%d",
6162                             get_region_index(r) + 1) < 1)
6163                                 err(1, "spawn_custom region index");
6164                 } else if (strcasecmp(ap, "$workspace_index") == 0) {
6165                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6166                                 err(1, "spawn_custom workspace index");
6167                 } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
6168                         if (!bar_at_bottom)
6169                                 continue;
6170                         if ((real_args[c] = strdup("-b")) == NULL)
6171                                 err(1, "spawn_custom workspace index");
6172                 } else {
6173                         /* no match --> copy as is */
6174                         if ((real_args[c] = strdup(ap)) == NULL)
6175                                 err(1, "spawn_custom strdup(ap)");
6176                 }
6177                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6178                     real_args[c]);
6179                 ++c;
6180         }
6181
6182 #ifdef SWM_DEBUG
6183         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6184         for (i = 0; i < c; ++i)
6185                 DPRINTF("\"%s\" ", real_args[i]);
6186         DPRINTF("\n");
6187 #endif
6188         *ret_args = real_args;
6189         return (c);
6190 }
6191
6192 void
6193 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6194 {
6195         union arg               a;
6196         char                    **real_args;
6197         int                     spawn_argc, i;
6198
6199         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6200                 return;
6201         a.argv = real_args;
6202         if (fork() == 0)
6203                 spawn(r->ws->idx, &a, 1);
6204
6205         for (i = 0; i < spawn_argc; i++)
6206                 free(real_args[i]);
6207         free(real_args);
6208 }
6209
6210 void
6211 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6212     int *pid)
6213 {
6214         union arg               a;
6215         char                    **real_args;
6216         int                     i, spawn_argc;
6217
6218         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6219                 return;
6220         a.argv = real_args;
6221
6222         if (pipe(select_list_pipe) == -1)
6223                 err(1, "pipe error");
6224         if (pipe(select_resp_pipe) == -1)
6225                 err(1, "pipe error");
6226
6227         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6228                 err(1, "could not disable SIGPIPE");
6229         switch (*pid = fork()) {
6230         case -1:
6231                 err(1, "cannot fork");
6232                 break;
6233         case 0: /* child */
6234                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6235                         err(1, "dup2");
6236                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6237                         err(1, "dup2");
6238                 close(select_list_pipe[1]);
6239                 close(select_resp_pipe[0]);
6240                 spawn(r->ws->idx, &a, 0);
6241                 break;
6242         default: /* parent */
6243                 close(select_list_pipe[0]);
6244                 close(select_resp_pipe[1]);
6245                 break;
6246         }
6247
6248         for (i = 0; i < spawn_argc; i++)
6249                 free(real_args[i]);
6250         free(real_args);
6251 }
6252
6253 /* Argument tokenizer. */
6254 char *
6255 argsep(char **sp) {
6256         int                     single_quoted = 0, double_quoted = 0;
6257         char                    *arg, *cp, *next;
6258
6259         if (*sp == NULL)
6260                 return NULL;
6261
6262         /* Eat and move characters until end of argument is found. */
6263         for (arg = next = cp = *sp; *cp != '\0'; ++cp) {
6264                 if (!double_quoted && *cp == '\'') {
6265                         /* Eat single-quote. */
6266                         single_quoted = !single_quoted;
6267                 } else if (!single_quoted && *cp == '"') {
6268                         /* Eat double-quote. */
6269                         double_quoted = !double_quoted;
6270                 } else if (!single_quoted && *cp == '\\' && *(cp + 1) == '"') {
6271                         /* Eat backslash; copy escaped character to arg. */
6272                         *next++ = *(++cp);
6273                 } else if (!single_quoted && !double_quoted && *cp == '\\' &&
6274                     (*(cp + 1) == '\'' || *(cp + 1) == ' ')) {
6275                         /* Eat backslash; move escaped character. */
6276                         *next++ = *(++cp);
6277                 } else if (!single_quoted && !double_quoted &&
6278                     (*cp == ' ' || *cp == '\t')) {
6279                         /* Terminate argument. */
6280                         *next++ = '\0';
6281                         /* Point sp to beginning of next argument. */
6282                         *sp = ++cp;
6283                         break;
6284                 } else {
6285                         /* Move regular character. */
6286                         *next++ = *cp;
6287                 }
6288         }
6289
6290         /* Terminate argument if end of string. */
6291         if (*cp == '\0') {
6292                 *next = '\0';
6293                 *sp = NULL;
6294         }
6295
6296         return arg;
6297 }
6298
6299 void
6300 spawn_insert(const char *name, const char *args, int flags)
6301 {
6302         struct spawn_prog       *sp;
6303         char                    *arg, *dup, *ptr;
6304
6305         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s[%s]\n", name, args);
6306
6307         if (args == NULL || *args == '\0')
6308                 return;
6309
6310         if ((sp = calloc(1, sizeof *sp)) == NULL)
6311                 err(1, "spawn_insert: calloc");
6312         if ((sp->name = strdup(name)) == NULL)
6313                 err(1, "spawn_insert: strdup");
6314
6315         /* Convert the arguments to an argument list. */
6316         if ((ptr = dup = strdup(args)) == NULL)
6317                 err(1, "spawn_insert: strdup");
6318         while ((arg = argsep(&ptr)) != NULL) {
6319                 /* Null argument; skip it. */
6320                 if (*arg == '\0')
6321                         continue;
6322
6323                 sp->argc++;
6324                 if ((sp->argv = realloc(sp->argv, sp->argc *
6325                     sizeof *sp->argv)) == NULL)
6326                         err(1, "spawn_insert: realloc");
6327                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6328                         err(1, "spawn_insert: strdup");
6329         }
6330         free(dup);
6331
6332         sp->flags = flags;
6333
6334         DNPRINTF(SWM_D_SPAWN, "arg %d: [%s]\n", sp->argc, sp->argv[sp->argc-1]);
6335         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6336         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6337 }
6338
6339 void
6340 spawn_remove(struct spawn_prog *sp)
6341 {
6342         int                     i;
6343
6344         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6345
6346         TAILQ_REMOVE(&spawns, sp, entry);
6347         for (i = 0; i < sp->argc; i++)
6348                 free(sp->argv[i]);
6349         free(sp->argv);
6350         free(sp->name);
6351         free(sp);
6352
6353         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6354 }
6355
6356 struct spawn_prog*
6357 spawn_find(const char *name)
6358 {
6359         struct spawn_prog       *sp;
6360
6361         TAILQ_FOREACH(sp, &spawns, entry)
6362                 if (strcasecmp(sp->name, name) == 0)
6363                         return sp;
6364
6365         return NULL;
6366 }
6367
6368 void
6369 setspawn(const char *name, const char *args, int flags)
6370 {
6371         struct spawn_prog       *sp;
6372
6373         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6374
6375         if (name == NULL)
6376                 return;
6377
6378         /* Remove any old spawn under the same name. */
6379         if ((sp = spawn_find(name)) != NULL)
6380                 spawn_remove(sp);
6381
6382         if (*args != '\0')
6383                 spawn_insert(name, args, flags);
6384         else
6385                 warnx("error: setspawn: cannot find program: %s", name);
6386
6387         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6388 }
6389
6390 int
6391 setconfspawn(const char *selector, const char *value, int flags)
6392 {
6393         char            *args;
6394
6395         if (selector == NULL || strlen(selector) == 0)
6396                 return (1);
6397
6398         args = expand_tilde(value);
6399
6400         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6401
6402         setspawn(selector, args, flags);
6403         free(args);
6404
6405         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6406         return (0);
6407 }
6408
6409 void
6410 validate_spawns(void)
6411 {
6412         struct spawn_prog       *sp;
6413         char                    which[PATH_MAX];
6414         size_t                  i;
6415
6416         struct key              *kp;
6417
6418         RB_FOREACH(kp, key_tree, &keys) {
6419                 if (kp->funcid != KF_SPAWN_CUSTOM)
6420                         continue;
6421
6422                 /* find program */
6423                 sp = spawn_find(kp->spawn_name);
6424                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6425                         continue;
6426
6427                 /* verify we have the goods */
6428                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6429                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6430                     sp->argv[0]);
6431                 for (i = strlen("which "); i < strlen(which); i++)
6432                         if (which[i] == ' ') {
6433                                 which[i] = '\0';
6434                                 break;
6435                         }
6436                 if (system(which) != 0)
6437                         add_startup_exception("could not find %s",
6438                             &which[strlen("which ")]);
6439         }
6440 }
6441
6442 void
6443 setup_spawn(void)
6444 {
6445         setconfspawn("lock",            "xlock",                0);
6446
6447         setconfspawn("term",            "xterm",                0);
6448         setconfspawn("spawn_term",      "xterm",                0);
6449
6450         setconfspawn("menu",            "dmenu_run"
6451                                         " $dmenu_bottom"
6452                                         " -fn $bar_font"
6453                                         " -nb $bar_color"
6454                                         " -nf $bar_font_color"
6455                                         " -sb $bar_border"
6456                                         " -sf $bar_color",      0);
6457
6458         setconfspawn("search",          "dmenu"
6459                                         " $dmenu_bottom"
6460                                         " -i"
6461                                         " -fn $bar_font"
6462                                         " -nb $bar_color"
6463                                         " -nf $bar_font_color"
6464                                         " -sb $bar_border"
6465                                         " -sf $bar_color",      0);
6466
6467         setconfspawn("name_workspace",  "dmenu"
6468                                         " $dmenu_bottom"
6469                                         " -p Workspace"
6470                                         " -fn $bar_font"
6471                                         " -nb $bar_color"
6472                                         " -nf $bar_font_color"
6473                                         " -sb $bar_border"
6474                                         " -sf $bar_color",      0);
6475
6476          /* These are not verified for existence, even with a binding set. */
6477         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6478         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6479         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6480 }
6481
6482 /* key bindings */
6483 #define SWM_MODNAME_SIZE        32
6484 #define SWM_KEY_WS              "\n+ \t"
6485 int
6486 parsekeys(const char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6487 {
6488         char                    *str, *cp, *name;
6489         KeySym                  uks;
6490
6491         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6492         if (mod == NULL || ks == NULL) {
6493                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6494                 return (1);
6495         }
6496         if (keystr == NULL || strlen(keystr) == 0) {
6497                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6498                 return (1);
6499         }
6500
6501         if ((cp = str = strdup(keystr)) == NULL)
6502                 err(1, "parsekeys: strdup");
6503
6504         *ks = XCB_NO_SYMBOL;
6505         *mod = 0;
6506         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6507                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6508                 if (cp)
6509                         cp += (long)strspn(cp, SWM_KEY_WS);
6510                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6511                         *mod |= currmod;
6512                 else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
6513                         *mod |= XCB_MOD_MASK_1;
6514                 else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
6515                         *mod += XCB_MOD_MASK_2;
6516                 else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
6517                         *mod |= XCB_MOD_MASK_3;
6518                 else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
6519                         *mod |= XCB_MOD_MASK_4;
6520                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6521                         *mod |= XCB_MOD_MASK_SHIFT;
6522                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6523                         *mod |= XCB_MOD_MASK_CONTROL;
6524                 else {
6525                         *ks = XStringToKeysym(name);
6526                         XConvertCase(*ks, ks, &uks);
6527                         if (ks == XCB_NO_SYMBOL) {
6528                                 DNPRINTF(SWM_D_KEY,
6529                                     "parsekeys: invalid key %s\n",
6530                                     name);
6531                                 free(str);
6532                                 return (1);
6533                         }
6534                 }
6535         }
6536
6537         free(str);
6538         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6539         return (0);
6540 }
6541
6542 char *
6543 strdupsafe(const char *str)
6544 {
6545         if (str == NULL)
6546                 return (NULL);
6547         else
6548                 return (strdup(str));
6549 }
6550
6551 void
6552 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6553     const char *spawn_name)
6554 {
6555         struct key              *kp;
6556
6557         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6558             keyfuncs[kfid].name, spawn_name);
6559
6560         if ((kp = malloc(sizeof *kp)) == NULL)
6561                 err(1, "key_insert: malloc");
6562
6563         kp->mod = mod;
6564         kp->keysym = ks;
6565         kp->funcid = kfid;
6566         kp->spawn_name = strdupsafe(spawn_name);
6567         RB_INSERT(key_tree, &keys, kp);
6568
6569         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6570 }
6571
6572 struct key *
6573 key_lookup(unsigned int mod, KeySym ks)
6574 {
6575         struct key              kp;
6576
6577         kp.keysym = ks;
6578         kp.mod = mod;
6579
6580         return (RB_FIND(key_tree, &keys, &kp));
6581 }
6582
6583 void
6584 key_remove(struct key *kp)
6585 {
6586         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6587
6588         RB_REMOVE(key_tree, &keys, kp);
6589         free(kp->spawn_name);
6590         free(kp);
6591
6592         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6593 }
6594
6595 void
6596 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6597     const char *spawn_name)
6598 {
6599         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6600             spawn_name);
6601
6602         key_remove(kp);
6603         key_insert(mod, ks, kfid, spawn_name);
6604
6605         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6606 }
6607
6608 void
6609 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6610     const char *spawn_name)
6611 {
6612         struct key              *kp;
6613
6614         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6615             keyfuncs[kfid].name, spawn_name);
6616
6617         if ((kp = key_lookup(mod, ks)) != NULL) {
6618                 if (kfid == KF_INVALID)
6619                         key_remove(kp);
6620                 else
6621                         key_replace(kp, mod, ks, kfid, spawn_name);
6622                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6623                 return;
6624         }
6625         if (kfid == KF_INVALID) {
6626                 warnx("bind: Key combination already unbound.");
6627                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6628                 return;
6629         }
6630
6631         key_insert(mod, ks, kfid, spawn_name);
6632         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6633 }
6634
6635 int
6636 setconfbinding(const char *selector, const char *value, int flags)
6637 {
6638         enum keyfuncid          kfid;
6639         unsigned int            mod;
6640         KeySym                  ks;
6641         struct spawn_prog       *sp;
6642
6643         /* suppress unused warning since var is needed */
6644         (void)flags;
6645
6646         DNPRINTF(SWM_D_KEY, "setconfbinding: enter selector: [%s], "
6647             "value: [%s]\n", selector, value);
6648         if (selector == NULL || strlen(selector) == 0) {
6649                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6650                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6651                         kfid = KF_INVALID;
6652                         setkeybinding(mod, ks, kfid, NULL);
6653                         return (0);
6654                 } else
6655                         return (1);
6656         }
6657         /* search by key function name */
6658         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6659                 if (strncasecmp(selector, keyfuncs[kfid].name,
6660                     SWM_FUNCNAME_LEN) == 0) {
6661                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6662                             "keyfunc\n", selector);
6663                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6664                                 setkeybinding(mod, ks, kfid, NULL);
6665                                 return (0);
6666                         } else
6667                                 return (1);
6668                 }
6669         }
6670         /* search by custom spawn name */
6671         if ((sp = spawn_find(selector)) != NULL) {
6672                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6673                     "spawn\n", selector);
6674                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6675                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6676                             sp->name);
6677                         return (0);
6678                 } else
6679                         return (1);
6680         }
6681         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6682         return (1);
6683 }
6684
6685 void
6686 setup_keys(void)
6687 {
6688 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6689         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6690         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6691         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6692         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6693         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6694         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6695         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6696         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6697         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6698         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6699         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6700         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
6701         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6702         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6703         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6704         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6705         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6706         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6707         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6708         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6709         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6710         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6711         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6712         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6713         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6714         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6715         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6716         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6717         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6718         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6719         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6720         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6721         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6722         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6723         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6724         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6725         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6726         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6727         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6728         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6729         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6730         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6731         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6732         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6733         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6734         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6735         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6736         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6737         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6738         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6739         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6740         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6741         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6742         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6743         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6744         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6745         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6746         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6747         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6748         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6749         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6750         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6751         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6752         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6753         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6754         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6755         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6756         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6757         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6758         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6759         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6760         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6761         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6762         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6763         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6764         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6765         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6766         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6767         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6768         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6769         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6770         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6771         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6772         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6773         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6774         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6775         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6776         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6777         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6778         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6779         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6780         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6781         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6782         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6783         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6784         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6785         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6786         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6787         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6788         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6789         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6790         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6791         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6792         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6793         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6794         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6795         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6796         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6797         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6798         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6799         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6800         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6801         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6802         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6803         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6804         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6805         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6806         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6807 #ifdef SWM_DEBUG
6808         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6809 #endif
6810 #undef MODKEY_SHIFT
6811 }
6812
6813 void
6814 clear_keys(void)
6815 {
6816         struct key              *kp;
6817
6818         while (RB_EMPTY(&keys) == 0) {
6819                 kp = RB_ROOT(&keys);
6820                 key_remove(kp);
6821         }
6822 }
6823
6824 int
6825 setkeymapping(const char *selector, const char *value, int flags)
6826 {
6827         char                    *keymapping_file;
6828
6829         /* suppress unused warnings since vars are needed */
6830         (void)selector;
6831         (void)flags;
6832
6833         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6834
6835         keymapping_file = expand_tilde(value);
6836
6837         clear_keys();
6838         /* load new key bindings; if it fails, revert to default bindings */
6839         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6840                 clear_keys();
6841                 setup_keys();
6842         }
6843
6844         free(keymapping_file);
6845
6846         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6847         return (0);
6848 }
6849
6850 void
6851 updatenumlockmask(void)
6852 {
6853         unsigned int                            i, j;
6854         xcb_get_modifier_mapping_reply_t        *modmap_r;
6855         xcb_keycode_t                           *modmap, kc, *keycode;
6856
6857         numlockmask = 0;
6858
6859         modmap_r = xcb_get_modifier_mapping_reply(conn,
6860             xcb_get_modifier_mapping(conn),
6861             NULL);
6862         if (modmap_r) {
6863                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6864                 for (i = 0; i < 8; i++) {
6865                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6866                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6867                                     + j];
6868                                 keycode = xcb_key_symbols_get_keycode(syms,
6869                                                 XK_Num_Lock);
6870                                 if (keycode) {
6871                                         if (kc == *keycode)
6872                                                 numlockmask = (1 << i);
6873                                         free(keycode);
6874                                 }
6875                         }
6876                 }
6877                 free(modmap_r);
6878         }
6879         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6880 }
6881
6882 void
6883 grabkeys(void)
6884 {
6885         struct key              *kp;
6886         int                     num_screens, k, j;
6887         unsigned int            modifiers[4];
6888         xcb_keycode_t           *code;
6889
6890         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6891         updatenumlockmask();
6892
6893         modifiers[0] = 0;
6894         modifiers[1] = numlockmask;
6895         modifiers[2] = XCB_MOD_MASK_LOCK;
6896         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6897
6898         num_screens = get_screen_count();
6899         for (k = 0; k < num_screens; k++) {
6900                 if (TAILQ_EMPTY(&screens[k].rl))
6901                         continue;
6902                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6903                         XCB_MOD_MASK_ANY);
6904                 RB_FOREACH(kp, key_tree, &keys) {
6905                         /* Skip unused ws binds. */
6906                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6907                             kp->funcid <= KF_WS_22)
6908                                 continue;
6909
6910                         /* Skip unused mvws binds. */
6911                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6912                             kp->funcid <= KF_MVWS_22)
6913                                 continue;
6914
6915                         if ((code = xcb_key_symbols_get_keycode(syms,
6916                                         kp->keysym))) {
6917                                 for (j = 0; j < LENGTH(modifiers); j++)
6918                                         xcb_grab_key(conn, 1,
6919                                             screens[k].root,
6920                                             kp->mod | modifiers[j],
6921                                             *code, XCB_GRAB_MODE_SYNC,
6922                                             XCB_GRAB_MODE_SYNC);
6923                                 free(code);
6924                         }
6925                 }
6926         }
6927 }
6928
6929 void
6930 grabbuttons(struct ws_win *win)
6931 {
6932         unsigned int    modifiers[4];
6933         int             i, j;
6934
6935         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6936         updatenumlockmask();
6937
6938         modifiers[0] = 0;
6939         modifiers[1] = numlockmask;
6940         modifiers[2] = XCB_MOD_MASK_LOCK;
6941         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6942
6943         for (i = 0; i < LENGTH(buttons); i++)
6944                 if (buttons[i].action == client_click)
6945                         for (j = 0; j < LENGTH(modifiers); ++j)
6946                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6947                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6948                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6949                                     buttons[i].button, buttons[i].mask |
6950                                     modifiers[j]);
6951 }
6952
6953 const char *quirkname[] = {
6954         "NONE",         /* config string for "no value" */
6955         "FLOAT",
6956         "TRANSSZ",
6957         "ANYWHERE",
6958         "XTERM_FONTADJ",
6959         "FULLSCREEN",
6960         "FOCUSPREV",
6961         "NOFOCUSONMAP",
6962         "FOCUSONMAP_SINGLE",
6963 };
6964
6965 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6966 #define SWM_Q_WS                "\n|+ \t"
6967 int
6968 parsequirks(const char *qstr, unsigned long *quirk)
6969 {
6970         char                    *str, *cp, *name;
6971         int                     i;
6972
6973         if (quirk == NULL || qstr == NULL)
6974                 return (1);
6975
6976         if ((str = strdup(qstr)) == NULL)
6977                 err(1, "parsequirks: strdup");
6978
6979         cp = str;
6980         *quirk = 0;
6981         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6982                 if (cp)
6983                         cp += (long)strspn(cp, SWM_Q_WS);
6984                 for (i = 0; i < LENGTH(quirkname); i++) {
6985                         if (strncasecmp(name, quirkname[i],
6986                             SWM_QUIRK_LEN) == 0) {
6987                                 DNPRINTF(SWM_D_QUIRK,
6988                                     "parsequirks: %s\n", name);
6989                                 if (i == 0) {
6990                                         *quirk = 0;
6991                                         free(str);
6992                                         return (0);
6993                                 }
6994                                 *quirk |= 1 << (i-1);
6995                                 break;
6996                         }
6997                 }
6998                 if (i >= LENGTH(quirkname)) {
6999                         DNPRINTF(SWM_D_QUIRK,
7000                             "parsequirks: invalid quirk [%s]\n", name);
7001                         free(str);
7002                         return (1);
7003                 }
7004         }
7005
7006         free(str);
7007         return (0);
7008 }
7009
7010 void
7011 quirk_insert(const char *class, const char *instance, const char *name,
7012     unsigned long quirk)
7013 {
7014         struct quirk            *qp;
7015         int                     failed = 0;
7016         char                    *str;
7017
7018         DNPRINTF(SWM_D_QUIRK, "quirk_insert: class: %s, instance: %s, name: %s,"
7019             " value: %lu\n", class, instance, name, quirk);
7020
7021         if ((qp = malloc(sizeof *qp)) == NULL)
7022                 err(1, "quirk_insert: malloc");
7023
7024         if ((qp->class = strdup(class)) == NULL)
7025                 err(1, "quirk_insert: strdup");
7026         if ((qp->instance = strdup(instance)) == NULL)
7027                 err(1, "quirk_insert: strdup");
7028         if ((qp->name = strdup(name)) == NULL)
7029                 err(1, "quirk_insert: strdup");
7030
7031         if (asprintf(&str, "^%s$", class) == -1)
7032                 err(1, "quirk_insert: asprintf");
7033         if (regcomp(&qp->regex_class, str, REG_EXTENDED | REG_NOSUB)) {
7034                 add_startup_exception("regex failed to compile quirk 'class' "
7035                     "field: %s", class);
7036                 failed = 1;
7037         }
7038         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7039         free(str);
7040
7041         if (asprintf(&str, "^%s$", instance) == -1)
7042                 err(1, "quirk_insert: asprintf");
7043         if (regcomp(&qp->regex_instance, str, REG_EXTENDED | REG_NOSUB)) {
7044                 add_startup_exception("regex failed to compile quirk 'instance'"
7045                     " field: %s", instance);
7046                 failed = 1;
7047         }
7048         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7049         free(str);
7050
7051         if (asprintf(&str, "^%s$", name) == -1)
7052                 err(1, "quirk_insert: asprintf");
7053         if (regcomp(&qp->regex_name, str, REG_EXTENDED | REG_NOSUB)) {
7054                 add_startup_exception("regex failed to compile quirk 'name' "
7055                     "field: %s", name);
7056                 failed = 1;
7057         }
7058         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7059         free(str);
7060
7061         if (failed) {
7062                 DNPRINTF(SWM_D_QUIRK, "quirk_insert: regex error; skipping.\n");
7063                 quirk_free(qp);
7064         } else {
7065                 qp->quirk = quirk;
7066                 TAILQ_INSERT_TAIL(&quirks, qp, entry);
7067         }
7068         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
7069 }
7070
7071 void
7072 quirk_remove(struct quirk *qp)
7073 {
7074         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
7075             qp->name, qp->quirk);
7076
7077         TAILQ_REMOVE(&quirks, qp, entry);
7078         quirk_free(qp);
7079
7080         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
7081 }
7082
7083 void
7084 quirk_free(struct quirk *qp)
7085 {
7086         regfree(&qp->regex_class);
7087         regfree(&qp->regex_instance);
7088         regfree(&qp->regex_name);
7089         free(qp->class);
7090         free(qp->instance);
7091         free(qp->name);
7092         free(qp);
7093 }
7094
7095 void
7096 quirk_replace(struct quirk *qp, const char *class, const char *instance,
7097     const char *name, unsigned long quirk)
7098 {
7099         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s:%s [%lu]\n", qp->class,
7100             qp->instance, qp->name, qp->quirk);
7101
7102         quirk_remove(qp);
7103         quirk_insert(class, instance, name, quirk);
7104
7105         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
7106 }
7107
7108 void
7109 setquirk(const char *class, const char *instance, const char *name,
7110     unsigned long quirk)
7111 {
7112         struct quirk            *qp;
7113
7114         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s:%s [%lu]\n", class,
7115             instance, name, quirk);
7116
7117         /* Remove/replace existing quirk. */
7118         TAILQ_FOREACH(qp, &quirks, entry) {
7119                 if (strcmp(qp->class, class) == 0 &&
7120                     strcmp(qp->instance, instance) == 0 &&
7121                     strcmp(qp->name, name) == 0) {
7122                         if (quirk == 0)
7123                                 quirk_remove(qp);
7124                         else
7125                                 quirk_replace(qp, class, instance, name, quirk);
7126                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7127                         return;
7128                 }
7129         }
7130
7131         /* Only insert if quirk is not NONE. */
7132         if (quirk)
7133                 quirk_insert(class, instance, name, quirk);
7134
7135         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7136 }
7137
7138 /* Eat '\' in str used to escape square brackets and colon. */
7139 void
7140 unescape_selector(char *str)
7141 {
7142         char *cp;
7143
7144         for (cp = str; *str != '\0'; ++str, ++cp) {
7145                 if (*str == '\\' && (*(str + 1) == ':' || *(str + 1) == ']' ||
7146                     *(str + 1) == '['))
7147                         ++str;
7148
7149                 *cp = *str;
7150         }
7151         *cp = '\0';
7152 }
7153
7154 int
7155 setconfquirk(const char *selector, const char *value, int flags)
7156 {
7157         char                    *str, *cp, *class;
7158         char                    *instance = NULL, *name = NULL;
7159         int                     retval, count = 0;
7160         unsigned long           qrks;
7161
7162         /* suppress unused warning since var is needed */
7163         (void)flags;
7164
7165         if (selector == NULL || strlen(selector) == 0)
7166                 return (0);
7167
7168         if ((str = strdup(selector)) == NULL)
7169                 err(1, "setconfquirk: strdup");
7170
7171         /* Find non-escaped colon. */
7172         class = cp = str;
7173         if (*cp == ':') {
7174                 *cp = '\0';
7175                 ++count;
7176         }
7177
7178         for (++cp; *cp != '\0'; ++cp) {
7179                 if (*cp == ':' && *(cp - 1) != '\\') {
7180                         *cp = '\0';
7181                         ++count;
7182                 }
7183         }
7184
7185         unescape_selector(class);
7186         if (count) {
7187                 instance = class + strlen(class) + 1;
7188                 unescape_selector(instance);
7189         } else {
7190                 instance = ".*";
7191         }
7192
7193         if (count > 1) {
7194                 name = instance + strlen(instance) + 1;
7195                 unescape_selector(name);
7196         } else {
7197                 name = ".*";
7198         }
7199
7200         DNPRINTF(SWM_D_CONF, "setconfquirk: class: %s, instance: %s, "
7201             "name: %s\n", class, instance, name);
7202
7203         if ((retval = parsequirks(value, &qrks)) == 0)
7204                 setquirk(class, instance, name, qrks);
7205
7206         free(str);
7207         return (retval);
7208 }
7209
7210 void
7211 setup_quirks(void)
7212 {
7213         setquirk("MPlayer",             "xv",           ".*",   SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
7214         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  ".*",   SWM_Q_FLOAT);
7215         setquirk("Firefox-bin",         "firefox-bin",  ".*",   SWM_Q_TRANSSZ);
7216         setquirk("Firefox",             "Dialog",       ".*",   SWM_Q_FLOAT);
7217         setquirk("Gimp",                "gimp",         ".*",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7218         setquirk("XTerm",               "xterm",        ".*",   SWM_Q_XTERM_FONTADJ);
7219         setquirk("xine",                "Xine Window",  ".*",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7220         setquirk("Xitk",                "Xitk Combo",   ".*",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7221         setquirk("xine",                "xine Panel",   ".*",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7222         setquirk("Xitk",                "Xine Window",  ".*",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7223         setquirk("xine",                "xine Video Fullscreen Window", ".*",   SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
7224         setquirk("pcb",                 "pcb",          ".*",   SWM_Q_FLOAT);
7225         setquirk("SDL_App",             "SDL_App",      ".*",   SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
7226 }
7227
7228 /* conf file stuff */
7229 #define SWM_CONF_FILE           "spectrwm.conf"
7230 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7231
7232 enum {
7233         SWM_S_BAR_ACTION,
7234         SWM_S_BAR_AT_BOTTOM,
7235         SWM_S_BAR_BORDER_WIDTH,
7236         SWM_S_BAR_DELAY,
7237         SWM_S_BAR_ENABLED,
7238         SWM_S_BAR_ENABLED_WS,
7239         SWM_S_BAR_FONT,
7240         SWM_S_BAR_FORMAT,
7241         SWM_S_BAR_JUSTIFY,
7242         SWM_S_BORDER_WIDTH,
7243         SWM_S_BOUNDARY_WIDTH,
7244         SWM_S_CLOCK_ENABLED,
7245         SWM_S_CLOCK_FORMAT,
7246         SWM_S_CYCLE_EMPTY,
7247         SWM_S_CYCLE_VISIBLE,
7248         SWM_S_DIALOG_RATIO,
7249         SWM_S_DISABLE_BORDER,
7250         SWM_S_FOCUS_CLOSE,
7251         SWM_S_FOCUS_CLOSE_WRAP,
7252         SWM_S_FOCUS_DEFAULT,
7253         SWM_S_FOCUS_MODE,
7254         SWM_S_ICONIC_ENABLED,
7255         SWM_S_REGION_PADDING,
7256         SWM_S_SPAWN_ORDER,
7257         SWM_S_SPAWN_TERM,
7258         SWM_S_SS_APP,
7259         SWM_S_SS_ENABLED,
7260         SWM_S_STACK_ENABLED,
7261         SWM_S_TERM_WIDTH,
7262         SWM_S_TILE_GAP,
7263         SWM_S_URGENT_ENABLED,
7264         SWM_S_VERBOSE_LAYOUT,
7265         SWM_S_WINDOW_CLASS_ENABLED,
7266         SWM_S_WINDOW_INSTANCE_ENABLED,
7267         SWM_S_WINDOW_NAME_ENABLED,
7268         SWM_S_WORKSPACE_LIMIT
7269 };
7270
7271 int
7272 setconfvalue(const char *selector, const char *value, int flags)
7273 {
7274         struct workspace        *ws;
7275         int                     i, ws_id, num_screens;
7276         char                    *b, *str;
7277
7278         switch (flags) {
7279         case SWM_S_BAR_ACTION:
7280                 free(bar_argv[0]);
7281                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7282                         err(1, "setconfvalue: bar_action");
7283                 break;
7284         case SWM_S_BAR_AT_BOTTOM:
7285                 bar_at_bottom = atoi(value);
7286                 break;
7287         case SWM_S_BAR_BORDER_WIDTH:
7288                 bar_border_width = atoi(value);
7289                 if (bar_border_width < 0)
7290                         bar_border_width = 0;
7291                 break;
7292         case SWM_S_BAR_DELAY:
7293                 /* No longer needed; leave to not break old conf files. */
7294                 break;
7295         case SWM_S_BAR_ENABLED:
7296                 bar_enabled = atoi(value);
7297                 break;
7298         case SWM_S_BAR_ENABLED_WS:
7299                 ws_id = atoi(selector) - 1;
7300                 if (ws_id < 0 || ws_id >= workspace_limit)
7301                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7302                             "workspace %d.", ws_id + 1);
7303
7304                 num_screens = get_screen_count();
7305                 for (i = 0; i < num_screens; i++) {
7306                         ws = (struct workspace *)&screens[i].ws;
7307                         ws[ws_id].bar_enabled = atoi(value);
7308                 }
7309                 break;
7310         case SWM_S_BAR_FONT:
7311                 b = bar_fonts;
7312                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7313                         err(1, "setconfvalue: asprintf: failed to allocate "
7314                                 "memory for bar_fonts.");
7315                 free(b);
7316
7317                 /* If already in xft mode, then we are done. */
7318                 if (!bar_font_legacy)
7319                         break;
7320
7321                 if ((str = strdup(value)) == NULL)
7322                         err(1, "setconfvalue: strdup");
7323
7324                 /* If there are any non-XLFD entries, switch to Xft mode. */
7325                 while ((b = strsep(&str, ",")) != NULL) {
7326                         if (*b == '\0')
7327                                 continue;
7328                         if (!isxlfd(b)) {
7329                                 bar_font_legacy = 0;
7330                                 break;
7331                         }
7332                 }
7333
7334                 free(str);
7335                 break;
7336         case SWM_S_BAR_FORMAT:
7337                 free(bar_format);
7338                 if ((bar_format = strdup(value)) == NULL)
7339                         err(1, "setconfvalue: bar_format");
7340                 break;
7341         case SWM_S_BAR_JUSTIFY:
7342                 if (strcmp(value, "left") == 0)
7343                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7344                 else if (strcmp(value, "center") == 0)
7345                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7346                 else if (strcmp(value, "right") == 0)
7347                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7348                 else
7349                         errx(1, "invalid bar_justify");
7350                 break;
7351         case SWM_S_BORDER_WIDTH:
7352                 border_width = atoi(value);
7353                 if (border_width < 0)
7354                         border_width = 0;
7355                 break;
7356         case SWM_S_BOUNDARY_WIDTH:
7357                 boundary_width = atoi(value);
7358                 if (boundary_width < 0)
7359                         boundary_width = 0;
7360                 break;
7361         case SWM_S_CLOCK_ENABLED:
7362                 clock_enabled = atoi(value);
7363                 break;
7364         case SWM_S_CLOCK_FORMAT:
7365 #ifndef SWM_DENY_CLOCK_FORMAT
7366                 free(clock_format);
7367                 if ((clock_format = strdup(value)) == NULL)
7368                         err(1, "setconfvalue: clock_format");
7369 #endif
7370                 break;
7371         case SWM_S_CYCLE_EMPTY:
7372                 cycle_empty = atoi(value);
7373                 break;
7374         case SWM_S_CYCLE_VISIBLE:
7375                 cycle_visible = atoi(value);
7376                 break;
7377         case SWM_S_DIALOG_RATIO:
7378                 dialog_ratio = atof(value);
7379                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7380                         dialog_ratio = .6;
7381                 break;
7382         case SWM_S_DISABLE_BORDER:
7383                 disable_border = atoi(value);
7384                 break;
7385         case SWM_S_FOCUS_CLOSE:
7386                 if (strcmp(value, "first") == 0)
7387                         focus_close = SWM_STACK_BOTTOM;
7388                 else if (strcmp(value, "last") == 0)
7389                         focus_close = SWM_STACK_TOP;
7390                 else if (strcmp(value, "next") == 0)
7391                         focus_close = SWM_STACK_ABOVE;
7392                 else if (strcmp(value, "previous") == 0)
7393                         focus_close = SWM_STACK_BELOW;
7394                 else
7395                         errx(1, "focus_close");
7396                 break;
7397         case SWM_S_FOCUS_CLOSE_WRAP:
7398                 focus_close_wrap = atoi(value);
7399                 break;
7400         case SWM_S_FOCUS_DEFAULT:
7401                 if (strcmp(value, "last") == 0)
7402                         focus_default = SWM_STACK_TOP;
7403                 else if (strcmp(value, "first") == 0)
7404                         focus_default = SWM_STACK_BOTTOM;
7405                 else
7406                         errx(1, "focus_default");
7407                 break;
7408         case SWM_S_FOCUS_MODE:
7409                 if (strcmp(value, "default") == 0)
7410                         focus_mode = SWM_FOCUS_DEFAULT;
7411                 else if (strcmp(value, "follow") == 0 ||
7412                     strcmp(value, "follow_cursor") == 0)
7413                         focus_mode = SWM_FOCUS_FOLLOW;
7414                 else if (strcmp(value, "manual") == 0)
7415                         focus_mode = SWM_FOCUS_MANUAL;
7416                 else
7417                         errx(1, "focus_mode");
7418                 break;
7419         case SWM_S_ICONIC_ENABLED:
7420                 iconic_enabled = atoi(value);
7421                 break;
7422         case SWM_S_REGION_PADDING:
7423                 region_padding = atoi(value);
7424                 if (region_padding < 0)
7425                         region_padding = 0;
7426                 break;
7427         case SWM_S_SPAWN_ORDER:
7428                 if (strcmp(value, "first") == 0)
7429                         spawn_position = SWM_STACK_BOTTOM;
7430                 else if (strcmp(value, "last") == 0)
7431                         spawn_position = SWM_STACK_TOP;
7432                 else if (strcmp(value, "next") == 0)
7433                         spawn_position = SWM_STACK_ABOVE;
7434                 else if (strcmp(value, "previous") == 0)
7435                         spawn_position = SWM_STACK_BELOW;
7436                 else
7437                         errx(1, "spawn_position");
7438                 break;
7439         case SWM_S_SPAWN_TERM:
7440                 setconfspawn("term", value, 0);
7441                 setconfspawn("spawn_term", value, 0);
7442                 break;
7443         case SWM_S_SS_APP:
7444                 /* No longer needed; leave to not break old conf files. */
7445                 break;
7446         case SWM_S_SS_ENABLED:
7447                 /* No longer needed; leave to not break old conf files. */
7448                 break;
7449         case SWM_S_STACK_ENABLED:
7450                 stack_enabled = atoi(value);
7451                 break;
7452         case SWM_S_TERM_WIDTH:
7453                 term_width = atoi(value);
7454                 if (term_width < 0)
7455                         term_width = 0;
7456                 break;
7457         case SWM_S_TILE_GAP:
7458                 tile_gap = atoi(value);
7459                 break;
7460         case SWM_S_URGENT_ENABLED:
7461                 urgent_enabled = atoi(value);
7462                 break;
7463         case SWM_S_VERBOSE_LAYOUT:
7464                 verbose_layout = atoi(value);
7465                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7466                         if (verbose_layout)
7467                                 layouts[i].l_string = fancy_stacker;
7468                         else
7469                                 layouts[i].l_string = plain_stacker;
7470                 }
7471                 break;
7472         case SWM_S_WINDOW_CLASS_ENABLED:
7473                 window_class_enabled = atoi(value);
7474                 break;
7475         case SWM_S_WINDOW_INSTANCE_ENABLED:
7476                 window_instance_enabled = atoi(value);
7477                 break;
7478         case SWM_S_WINDOW_NAME_ENABLED:
7479                 window_name_enabled = atoi(value);
7480                 break;
7481         case SWM_S_WORKSPACE_LIMIT:
7482                 workspace_limit = atoi(value);
7483                 if (workspace_limit > SWM_WS_MAX)
7484                         workspace_limit = SWM_WS_MAX;
7485                 else if (workspace_limit < 1)
7486                         workspace_limit = 1;
7487                 break;
7488         default:
7489                 return (1);
7490         }
7491         return (0);
7492 }
7493
7494 int
7495 setconfmodkey(const char *selector, const char *value, int flags)
7496 {
7497         /* suppress unused warnings since vars are needed */
7498         (void)selector;
7499         (void)flags;
7500
7501         if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
7502                 update_modkey(XCB_MOD_MASK_1);
7503         else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
7504                 update_modkey(XCB_MOD_MASK_2);
7505         else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
7506                 update_modkey(XCB_MOD_MASK_3);
7507         else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
7508                 update_modkey(XCB_MOD_MASK_4);
7509         else
7510                 return (1);
7511         return (0);
7512 }
7513
7514 int
7515 setconfcolor(const char *selector, const char *value, int flags)
7516 {
7517         setscreencolor(value,
7518             (selector == NULL || strlen(selector) == 0) ? -1 : atoi(selector),
7519             flags);
7520         return (0);
7521 }
7522
7523 int
7524 setconfregion(const char *selector, const char *value, int flags)
7525 {
7526         /* suppress unused warnings since vars are needed */
7527         (void)selector;
7528         (void)flags;
7529
7530         custom_region(value);
7531         return (0);
7532 }
7533
7534 int
7535 setautorun(const char *selector, const char *value, int flags)
7536 {
7537         int                     ws_id;
7538         char                    s[1024];
7539         char                    *ap, *sp;
7540         union arg               a;
7541         int                     argc = 0;
7542         pid_t                   pid;
7543         struct pid_e            *p;
7544
7545         /* suppress unused warnings since vars are needed */
7546         (void)selector;
7547         (void)flags;
7548
7549         if (getenv("SWM_STARTED"))
7550                 return (0);
7551
7552         bzero(s, sizeof s);
7553         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7554                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7555         ws_id--;
7556         if (ws_id < 0 || ws_id >= workspace_limit)
7557                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7558
7559         sp = expand_tilde((char *)&s);
7560
7561         /*
7562          * This is a little intricate
7563          *
7564          * If the pid already exists we simply reuse it because it means it was
7565          * used before AND not claimed by manage_window.  We get away with
7566          * altering it in the parent after INSERT because this can not be a race
7567          */
7568         a.argv = NULL;
7569         while ((ap = strsep(&sp, " \t")) != NULL) {
7570                 if (*ap == '\0')
7571                         continue;
7572                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7573                 argc++;
7574                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7575                         err(1, "setautorun: realloc");
7576                 a.argv[argc - 1] = ap;
7577         }
7578         free(sp);
7579
7580         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7581                 err(1, "setautorun: realloc");
7582         a.argv[argc] = NULL;
7583
7584         if ((pid = fork()) == 0) {
7585                 spawn(ws_id, &a, 1);
7586                 /* NOTREACHED */
7587                 _exit(1);
7588         }
7589         free(a.argv);
7590
7591         /* parent */
7592         p = find_pid(pid);
7593         if (p == NULL) {
7594                 p = calloc(1, sizeof *p);
7595                 if (p == NULL)
7596                         return (1);
7597                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7598         }
7599
7600         p->pid = pid;
7601         p->ws = ws_id;
7602
7603         return (0);
7604 }
7605
7606 int
7607 setlayout(const char *selector, const char *value, int flags)
7608 {
7609         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7610         int                     st = SWM_V_STACK, num_screens;
7611         char                    s[1024];
7612         struct workspace        *ws;
7613
7614         /* suppress unused warnings since vars are needed */
7615         (void)selector;
7616         (void)flags;
7617
7618         if (getenv("SWM_STARTED"))
7619                 return (0);
7620
7621         bzero(s, sizeof s);
7622         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7623             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7624                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7625                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7626                     "<type>'");
7627         ws_id--;
7628         if (ws_id < 0 || ws_id >= workspace_limit)
7629                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7630
7631         if (strcasecmp(s, "vertical") == 0)
7632                 st = SWM_V_STACK;
7633         else if (strcasecmp(s, "vertical_flip") == 0) {
7634                 st = SWM_V_STACK;
7635                 f = 1;
7636         } else if (strcasecmp(s, "horizontal") == 0)
7637                 st = SWM_H_STACK;
7638         else if (strcasecmp(s, "horizontal_flip") == 0) {
7639                 st = SWM_H_STACK;
7640                 f = 1;
7641         } else if (strcasecmp(s, "fullscreen") == 0)
7642                 st = SWM_MAX_STACK;
7643         else
7644                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7645                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7646                     "<type>'");
7647
7648         num_screens = get_screen_count();
7649         for (i = 0; i < num_screens; i++) {
7650                 ws = (struct workspace *)&screens[i].ws;
7651                 ws[ws_id].cur_layout = &layouts[st];
7652
7653                 ws[ws_id].always_raise = ar;
7654                 if (st == SWM_MAX_STACK)
7655                         continue;
7656
7657                 /* master grow */
7658                 for (x = 0; x < abs(mg); x++) {
7659                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7660                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7661                             SWM_ARG_ID_MASTERSHRINK);
7662                         stack();
7663                 }
7664                 /* master add */
7665                 for (x = 0; x < abs(ma); x++) {
7666                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7667                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7668                             SWM_ARG_ID_MASTERDEL);
7669                         stack();
7670                 }
7671                 /* stack inc */
7672                 for (x = 0; x < abs(si); x++) {
7673                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7674                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7675                             SWM_ARG_ID_STACKDEC);
7676                         stack();
7677                 }
7678                 /* Apply flip */
7679                 if (f) {
7680                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7681                             SWM_ARG_ID_FLIPLAYOUT);
7682                         stack();
7683                 }
7684         }
7685
7686         focus_flush();
7687
7688         return (0);
7689 }
7690
7691 /* config options */
7692 struct config_option {
7693         char                    *optname;
7694         int                     (*func)(const char*, const char*, int);
7695         int                     funcflags;
7696 };
7697 struct config_option configopt[] = {
7698         { "autorun",                    setautorun,     0 },
7699         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7700         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7701         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7702         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7703         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7704         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7705         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7706         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7707         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7708         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7709         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7710         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7711         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7712         { "bind",                       setconfbinding, 0 },
7713         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7714         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7715         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7716         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7717         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7718         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7719         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7720         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7721         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7722         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7723         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7724         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7725         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7726         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7727         { "iconic_enabled",             setconfvalue,   SWM_S_ICONIC_ENABLED },
7728         { "keyboard_mapping",           setkeymapping,  0 },
7729         { "layout",                     setlayout,      0 },
7730         { "modkey",                     setconfmodkey,  0 },
7731         { "program",                    setconfspawn,   0 },
7732         { "quirk",                      setconfquirk,   0 },
7733         { "region",                     setconfregion,  0 },
7734         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7735         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7736         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7737         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7738         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7739         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7740         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7741         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7742         { "title_class_enabled",        setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED }, /* For backwards compat. */
7743         { "title_name_enabled",         setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED }, /* For backwards compat. */
7744         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7745         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7746         { "window_class_enabled",       setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED },
7747         { "window_instance_enabled",    setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED },
7748         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7749         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7750 };
7751
7752 void
7753 _add_startup_exception(const char *fmt, va_list ap)
7754 {
7755         if (vasprintf(&startup_exception, fmt, ap) == -1)
7756                 warn("%s: asprintf", __func__);
7757 }
7758
7759 void
7760 add_startup_exception(const char *fmt, ...)
7761 {
7762         va_list ap;
7763
7764         nr_exceptions++;
7765
7766         if (startup_exception)
7767                 return;
7768
7769         /* force bar to be enabled due to exception */
7770         bar_enabled = 1;
7771
7772         va_start(ap, fmt);
7773         _add_startup_exception(fmt, ap);
7774         va_end(ap);
7775 }
7776
7777 int
7778 conf_load(const char *filename, int keymapping)
7779 {
7780         FILE                    *config;
7781         char                    *line = NULL, *cp, *ce, *optsub, *optval = NULL;
7782         size_t                  linelen, lineno = 0;
7783         int                     wordlen, i, optidx, count;
7784         struct config_option    *opt = NULL;
7785
7786         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7787
7788         if (filename == NULL) {
7789                 warnx("conf_load: no filename");
7790                 return (1);
7791         }
7792
7793         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7794
7795         if ((config = fopen(filename, "r")) == NULL) {
7796                 warn("conf_load: fopen: %s", filename);
7797                 return (1);
7798         }
7799
7800         while (!feof(config)) {
7801                 if (line)
7802                         free(line);
7803
7804                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7805                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7806                         if (ferror(config))
7807                                 err(1, "%s", filename);
7808                         else
7809                                 continue;
7810                 }
7811                 cp = line;
7812                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7813                 if (cp[0] == '\0') {
7814                         /* empty line */
7815                         continue;
7816                 }
7817                 /* get config option */
7818                 wordlen = strcspn(cp, "=[ \t\n");
7819                 if (wordlen == 0) {
7820                         add_startup_exception("%s: line %zd: no option found",
7821                             filename, lineno);
7822                         continue;
7823                 }
7824                 optidx = -1;
7825                 for (i = 0; i < LENGTH(configopt); i++) {
7826                         opt = &configopt[i];
7827                         if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
7828                             (int)strlen(opt->optname) == wordlen) {
7829                                 optidx = i;
7830                                 break;
7831                         }
7832                 }
7833                 if (optidx == -1) {
7834                         add_startup_exception("%s: line %zd: unknown option "
7835                             "%.*s", filename, lineno, wordlen, cp);
7836                         continue;
7837                 }
7838                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7839                         add_startup_exception("%s: line %zd: invalid option "
7840                             "%.*s", filename, lineno, wordlen, cp);
7841                         continue;
7842                 }
7843                 cp += wordlen;
7844                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7845
7846                 /* get [selector] if any */
7847                 optsub = NULL;
7848                 count = 0;
7849                 if (*cp == '[') {
7850                         ++count;
7851                         /* Get length of selector. */
7852                         for (ce = ++cp; *ce != '\0'; ++ce) {
7853                                 /* Find matching (not escaped) bracket. */
7854                                 if (*ce == ']' && *(ce - 1) != '\\') {
7855                                         --count;
7856                                         break;
7857                                 }
7858                         }
7859
7860                         if (count > 0) {
7861                                 add_startup_exception("%s: line %zd: syntax "
7862                                     "error: unterminated selector", filename,
7863                                     lineno);
7864                                 continue;
7865                         }
7866
7867                         /* ce points at ']'; terminate optsub. */
7868                         *ce = '\0';
7869                         optsub = cp;
7870                         cp = ce + 1;
7871                 }
7872                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7873                 /* get RHS value */
7874                 optval = cp;
7875                 if (strlen(optval) == 0) {
7876                         add_startup_exception("%s: line %zd: must supply value "
7877                             "to %s", filename, lineno,
7878                             configopt[optidx].optname);
7879                         continue;
7880                 }
7881                 /* call function to deal with it all */
7882                 if (configopt[optidx].func(optsub, optval,
7883                     configopt[optidx].funcflags) != 0) {
7884                         add_startup_exception("%s: line %zd: invalid data for "
7885                             "%s", filename, lineno, configopt[optidx].optname);
7886                         continue;
7887                 }
7888         }
7889
7890         if (line)
7891                 free(line);
7892         fclose(config);
7893         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7894
7895         return (0);
7896 }
7897
7898 void
7899 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7900 {
7901         struct ws_win           *parent, *w;
7902         struct swm_region       *r;
7903         struct workspace        *ws;
7904         xcb_icccm_wm_hints_t    wmh;
7905
7906         parent = find_window(win->transient);
7907         if (parent)
7908                 parent->focus_child = win;
7909         else {
7910                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7911                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7912
7913                 r = root_to_region(win->s->root, SWM_CK_ALL);
7914                 ws = r->ws;
7915                 /* parent doen't exist in our window list */
7916                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7917                         if (xcb_icccm_get_wm_hints_reply(conn,
7918                             xcb_icccm_get_wm_hints(conn, w->id),
7919                             &wmh, NULL) != 1) {
7920                                 warnx("can't get hints for 0x%x", w->id);
7921                                 continue;
7922                         }
7923
7924                         if (win->hints.window_group != wmh.window_group)
7925                                 continue;
7926
7927                         w->focus_child = win;
7928                         win->transient = w->id;
7929                         *trans = w->id;
7930                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7931                             "transient to 0x%x\n", win->transient);
7932                         break;
7933                 }
7934         }
7935 }
7936
7937 pid_t
7938 window_get_pid(xcb_window_t win)
7939 {
7940         pid_t                           ret = 0;
7941         const char                      *errstr;
7942         xcb_atom_t                      apid;
7943         xcb_get_property_cookie_t       pc;
7944         xcb_get_property_reply_t        *pr;
7945
7946         apid = get_atom_from_string("_NET_WM_PID");
7947         if (apid == XCB_ATOM_NONE)
7948                 goto tryharder;
7949
7950         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7951         pr = xcb_get_property_reply(conn, pc, NULL);
7952         if (pr == NULL)
7953                 goto tryharder;
7954         if (pr->type != XCB_ATOM_CARDINAL) {
7955                 free(pr);
7956                 goto tryharder;
7957         }
7958
7959         if (pr->type == apid && pr->format == 32)
7960                 ret = *((pid_t *)xcb_get_property_value(pr));
7961         free(pr);
7962
7963         return (ret);
7964
7965 tryharder:
7966         apid = get_atom_from_string("_SWM_PID");
7967         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7968             0, SWM_PROPLEN);
7969         pr = xcb_get_property_reply(conn, pc, NULL);
7970         if (pr == NULL)
7971                 return (0);
7972         if (pr->type != apid) {
7973                 free(pr);
7974                 return (0);
7975         }
7976
7977         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7978         free(pr);
7979
7980         return (ret);
7981 }
7982
7983 int
7984 get_ws_idx(xcb_window_t id)
7985 {
7986         int                     ws_idx = -1;
7987         char                    *prop = NULL;
7988         size_t                  proplen;
7989         const char              *errstr;
7990         xcb_get_property_reply_t        *gpr;
7991
7992         gpr = xcb_get_property_reply(conn,
7993                 xcb_get_property(conn, 0, id, a_swm_ws,
7994                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7995                 NULL);
7996         if (gpr == NULL)
7997                 return (-1);
7998         if (gpr->type) {
7999                 proplen = xcb_get_property_value_length(gpr);
8000                 if (proplen > 0) {
8001                         prop = malloc(proplen + 1);
8002                         if (prop) {
8003                                 memcpy(prop,
8004                                     xcb_get_property_value(gpr),
8005                                     proplen);
8006                                 prop[proplen] = '\0';
8007                         }
8008                 }
8009         }
8010         free(gpr);
8011
8012         if (prop) {
8013                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
8014                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
8015                 if (errstr) {
8016                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
8017                             errstr, prop);
8018                 }
8019                 free(prop);
8020         }
8021
8022         return ws_idx;
8023 }
8024
8025 struct ws_win *
8026 manage_window(xcb_window_t id, uint16_t mapped)
8027 {
8028         xcb_window_t            trans = XCB_WINDOW_NONE;
8029         struct ws_win           *win, *ww;
8030         int                     ws_idx;
8031         char                    ws_idx_str[SWM_PROPLEN];
8032         char                    *class, *instance, *name;
8033         struct swm_region       *r;
8034         struct pid_e            *p;
8035         struct quirk            *qp;
8036         uint32_t                i, wa[2];
8037         xcb_get_geometry_reply_t        *gr;
8038
8039         if ((win = find_window(id)) != NULL) {
8040                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
8041                     "managed; skipping.)\n", id);
8042                 return (win);   /* Already managed. */
8043         }
8044
8045         /* See if window is on the unmanaged list. */
8046         if ((win = find_unmanaged_window(id)) != NULL) {
8047                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
8048                     "unmanaged list.\n", id);
8049                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8050
8051                 if (win->transient)
8052                         set_child_transient(win, &trans);
8053
8054                 goto out;
8055         } else {
8056                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
8057         }
8058
8059         /* Try to get initial window geometry. */
8060         gr = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, id), NULL);
8061         if (gr == NULL) {
8062                 DNPRINTF(SWM_D_MISC, "manage_window: get geometry failed.\n");
8063                 return (NULL);
8064         }
8065
8066         /* Create and initialize ws_win object. */
8067         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
8068                 err(1, "manage_window: calloc: failed to allocate memory for "
8069                     "new window");
8070
8071         win->id = id;
8072
8073         /* Figureout which region the window belongs to. */
8074         r = root_to_region(gr->root, SWM_CK_ALL);
8075
8076         /* Ignore window border if there is one. */
8077         WIDTH(win) = gr->width;
8078         HEIGHT(win) = gr->height;
8079         X(win) = gr->x + gr->border_width - border_width;
8080         Y(win) = gr->y + gr->border_width - border_width;
8081         win->bordered = 1;
8082         win->mapped = mapped;
8083         win->floatmaxed = 0;
8084         win->ewmh_flags = 0;
8085         win->s = r->s;  /* this never changes */
8086
8087         free(gr);
8088
8089         /* Select which X events to monitor and set border pixel color. */
8090         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
8091         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
8092             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
8093 #ifdef SWM_DEBUG
8094         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
8095 #endif
8096
8097         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
8098             XCB_CW_EVENT_MASK, wa);
8099
8100         /* Get WM_SIZE_HINTS. */
8101         xcb_icccm_get_wm_normal_hints_reply(conn,
8102             xcb_icccm_get_wm_normal_hints(conn, win->id),
8103             &win->sh, NULL);
8104
8105         /* Get WM_HINTS. */
8106         xcb_icccm_get_wm_hints_reply(conn,
8107             xcb_icccm_get_wm_hints(conn, win->id),
8108             &win->hints, NULL);
8109
8110         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
8111         xcb_icccm_get_wm_transient_for_reply(conn,
8112             xcb_icccm_get_wm_transient_for(conn, win->id),
8113             &trans, NULL);
8114         if (trans) {
8115                 win->transient = trans;
8116                 set_child_transient(win, &win->transient);
8117         }
8118
8119         /* Get WM_PROTOCOLS. */
8120         get_wm_protocols(win);
8121
8122         win->iconic = get_swm_iconic(win);
8123
8124         /* Figure out which workspace the window belongs to. */
8125         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
8126                 win->ws = &r->s->ws[p->ws];
8127                 TAILQ_REMOVE(&pidlist, p, entry);
8128                 free(p);
8129                 p = NULL;
8130         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
8131             !win->transient) {
8132                 /* _SWM_WS is set; use that. */
8133                 win->ws = &r->s->ws[ws_idx];
8134         } else if (trans && (ww = find_window(trans)) != NULL) {
8135                 /* Launch transients in the same ws as parent. */
8136                 win->ws = ww->ws;
8137         } else {
8138                 win->ws = r->ws;
8139         }
8140
8141         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
8142         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
8143             SWM_PROPLEN) {
8144                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
8145                     ws_idx_str);
8146                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
8147                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
8148                     ws_idx_str);
8149         }
8150
8151         /* WS must already be set for this to work. */
8152         store_float_geom(win);
8153
8154         /* Handle EWMH */
8155         ewmh_autoquirk(win);
8156
8157         /* Determine initial quirks. */
8158         xcb_icccm_get_wm_class_reply(conn,
8159             xcb_icccm_get_wm_class(conn, win->id),
8160             &win->ch, NULL);
8161
8162         class = win->ch.class_name ? win->ch.class_name : "";
8163         instance = win->ch.instance_name ? win->ch.instance_name : "";
8164         name = get_win_name(win->id);
8165
8166         DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, instance: %s, "
8167             "name: %s\n", class, instance, name);
8168
8169         /* java is retarded so treat it special */
8170         if (win->ch.instance_name && strstr(win->ch.instance_name, "sun-awt")) {
8171                 DNPRINTF(SWM_D_CLASS, "manage_window: java window detected.\n");
8172                 win->java = 1;
8173         }
8174
8175         TAILQ_FOREACH(qp, &quirks, entry) {
8176                 if (regexec(&qp->regex_class, class, 0, NULL, 0) == 0 &&
8177                     regexec(&qp->regex_instance, instance, 0, NULL, 0) == 0 &&
8178                     regexec(&qp->regex_name, name, 0, NULL, 0) == 0) {
8179                         DNPRINTF(SWM_D_CLASS, "manage_window: matched "
8180                             "quirk: %s:%s:%s mask: %#lx\n", qp->class,
8181                             qp->instance, qp->name, qp->quirk);
8182                         if (qp->quirk & SWM_Q_FLOAT)
8183                                 win->floating = 1;
8184                         win->quirks = qp->quirk;
8185                 }
8186         }
8187
8188         free(name);
8189
8190         /* Alter window position if quirky */
8191         if (win->quirks & SWM_Q_ANYWHERE)
8192                 win->manual = 1;
8193
8194         /* Reset font sizes (the bruteforce way; no default keybinding). */
8195         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
8196                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8197                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
8198                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8199                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
8200         }
8201
8202         /* Make sure window is positioned inside its region, if its active. */
8203         if (win->ws->r) {
8204                 region_containment(win, r, SWM_CW_ALLSIDES |
8205                     SWM_CW_HARDBOUNDARY);
8206                 update_window(win);
8207         }
8208
8209 out:
8210         /* Figure out where to stack the window in the workspace. */
8211         if (trans && (ww = find_window(trans)))
8212                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
8213         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
8214                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8215                     entry);
8216         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
8217                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8218         else switch (spawn_position) {
8219         default:
8220         case SWM_STACK_TOP:
8221         case SWM_STACK_ABOVE:
8222                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8223                 break;
8224         case SWM_STACK_BOTTOM:
8225         case SWM_STACK_BELOW:
8226                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8227         }
8228
8229         /* Get initial _NET_WM_STATE */
8230         ewmh_get_win_state(win);
8231         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8232         ewmh_update_actions(win);
8233
8234         grabbuttons(win);
8235
8236         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
8237             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
8238             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8239             YESNO(win->iconic), win->transient);
8240
8241         return (win);
8242 }
8243
8244 void
8245 free_window(struct ws_win *win)
8246 {
8247         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8248
8249         if (win == NULL)
8250                 return;
8251
8252         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8253
8254         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8255
8256         kill_refs(win);
8257
8258         /* paint memory */
8259         memset(win, 0xff, sizeof *win); /* XXX kill later */
8260
8261         free(win);
8262         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8263 }
8264
8265 void
8266 unmanage_window(struct ws_win *win)
8267 {
8268         struct ws_win           *parent;
8269
8270         if (win == NULL)
8271                 return;
8272
8273         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8274
8275         if (win->transient) {
8276                 parent = find_window(win->transient);
8277                 if (parent)
8278                         parent->focus_child = NULL;
8279         }
8280
8281         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8282         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8283 }
8284
8285 void
8286 expose(xcb_expose_event_t *e)
8287 {
8288         int                     i, num_screens;
8289         struct swm_region       *r;
8290
8291         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8292
8293         num_screens = get_screen_count();
8294         for (i = 0; i < num_screens; i++)
8295                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8296                         if (e->window == WINID(r->bar))
8297                                 bar_draw();
8298
8299         xcb_flush(conn);
8300 }
8301
8302 #ifdef SWM_DEBUG
8303 void
8304 focusin(xcb_focus_in_event_t *e)
8305 {
8306         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8307             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8308             e->mode, get_notify_detail_label(e->detail), e->detail);
8309 }
8310
8311 void
8312 focusout(xcb_focus_out_event_t *e)
8313 {
8314         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8315             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8316             e->mode, get_notify_detail_label(e->detail), e->detail);
8317 }
8318 #endif
8319
8320 void
8321 keypress(xcb_key_press_event_t *e)
8322 {
8323         xcb_keysym_t            keysym;
8324         struct key              *kp;
8325
8326         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8327
8328         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8329             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8330             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8331             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8332             e->child, e->state, YESNO(e->same_screen));
8333
8334         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8335                 goto out;
8336
8337         last_event_time = e->time;
8338
8339         if (kp->funcid == KF_SPAWN_CUSTOM)
8340                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8341                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8342         else if (keyfuncs[kp->funcid].func)
8343                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8344                     &(keyfuncs[kp->funcid].args));
8345
8346 out:
8347         /* Unfreeze grab events. */
8348         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8349         xcb_flush(conn);
8350
8351         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8352 }
8353
8354 void
8355 buttonpress(xcb_button_press_event_t *e)
8356 {
8357         struct ws_win           *win = NULL;
8358         struct swm_region       *r, *old_r;
8359         int                     i;
8360         int                     handled = 0;
8361
8362         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8363             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8364             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8365             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8366             e->state, YESNO(e->same_screen));
8367
8368         if (e->event == e->root) {
8369                 if (e->child != 0) {
8370                         win = find_window(e->child);
8371                         /* Pass ButtonPress to window if it isn't managed. */
8372                         if (win == NULL)
8373                                 goto out;
8374                 } else {
8375                         /* Focus on empty region */
8376                         /* If no windows on region if its empty. */
8377                         r = root_to_region(e->root, SWM_CK_POINTER);
8378                         if (r == NULL) {
8379                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8380                                     "NULL region; ignoring.\n");
8381                                 goto out;
8382                         }
8383
8384                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8385                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8386                                 if (old_r && old_r != r)
8387                                         unfocus_win(old_r->ws->focus);
8388
8389                                 xcb_set_input_focus(conn,
8390                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8391
8392                                 /* Clear bar since empty. */
8393                                 bar_draw();
8394
8395                                 handled = 1;
8396                                 goto out;
8397                         }
8398                 }
8399         } else {
8400                 win = find_window(e->event);
8401         }
8402
8403         if (win == NULL)
8404                 goto out;
8405
8406         last_event_time = e->time;
8407
8408         focus_win(get_focus_magic(win));
8409
8410         for (i = 0; i < LENGTH(buttons); i++)
8411                 if (client_click == buttons[i].action && buttons[i].func &&
8412                     buttons[i].button == e->detail &&
8413                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8414                         buttons[i].func(win, &buttons[i].args);
8415                         handled = 1;
8416                 }
8417
8418 out:
8419         if (!handled) {
8420                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8421                 /* Replay event to event window */
8422                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8423         } else {
8424                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8425                 /* Unfreeze grab events. */
8426                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8427         }
8428
8429         xcb_flush(conn);
8430 }
8431
8432 #ifdef SWM_DEBUG
8433 void
8434 print_win_geom(xcb_window_t w)
8435 {
8436         xcb_get_geometry_reply_t        *wa;
8437
8438         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8439         if (wa == NULL) {
8440                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8441                     w);
8442                 return;
8443         }
8444
8445         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8446             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8447             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8448             wa->border_width);
8449
8450         free(wa);
8451 }
8452 #endif
8453
8454 #ifdef SWM_DEBUG
8455 char *
8456 get_stack_mode_name(uint8_t mode)
8457 {
8458         char    *name;
8459
8460         switch(mode) {
8461         case XCB_STACK_MODE_ABOVE:
8462                 name = "Above";
8463                 break;
8464         case XCB_STACK_MODE_BELOW:
8465                 name = "Below";
8466                 break;
8467         case XCB_STACK_MODE_TOP_IF:
8468                 name = "TopIf";
8469                 break;
8470         case XCB_STACK_MODE_BOTTOM_IF:
8471                 name = "BottomIf";
8472                 break;
8473         case XCB_STACK_MODE_OPPOSITE:
8474                 name = "Opposite";
8475                 break;
8476         default:
8477                 name = "Unknown";
8478         }
8479
8480         return name;
8481 }
8482 #endif
8483
8484 void
8485 configurerequest(xcb_configure_request_event_t *e)
8486 {
8487         struct ws_win           *win;
8488         struct swm_region       *r = NULL;
8489         int                     new = 0, i = 0;
8490         uint16_t                mask = 0;
8491         uint32_t                wc[7] = {0};
8492
8493         if ((win = find_window(e->window)) == NULL)
8494                 if ((win = find_unmanaged_window(e->window)) == NULL)
8495                         new = 1;
8496
8497 #ifdef SWM_DEBUG
8498         if (swm_debug & SWM_D_EVENT) {
8499                 print_win_geom(e->window);
8500
8501                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8502                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8503                     e->parent, YESNO(new), e->value_mask);
8504                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8505                         DPRINTF("X: %d ", e->x);
8506                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8507                         DPRINTF("Y: %d ", e->y);
8508                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8509                         DPRINTF("W: %u ", e->width);
8510                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8511                         DPRINTF("H: %u ", e->height);
8512                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8513                         DPRINTF("Border: %u ", e->border_width);
8514                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8515                         DPRINTF("Sibling: 0x%x ", e->sibling);
8516                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8517                         DPRINTF("StackMode: %s(%u) ",
8518                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8519                 DPRINTF("}\n");
8520         }
8521 #endif
8522
8523         if (new) {
8524                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8525                         mask |= XCB_CONFIG_WINDOW_X;
8526                         wc[i++] = e->x;
8527                 }
8528                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8529                         mask |= XCB_CONFIG_WINDOW_Y;
8530                         wc[i++] = e->y;
8531                 }
8532                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8533                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8534                         wc[i++] = e->width;
8535                 }
8536                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8537                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8538                         wc[i++] = e->height;
8539                 }
8540                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8541                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8542                         wc[i++] = e->border_width;
8543                 }
8544                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8545                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8546                         wc[i++] = e->sibling;
8547                 }
8548                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8549                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8550                         wc[i++] = e->stack_mode;
8551                 }
8552
8553                 if (mask != 0) {
8554                         xcb_configure_window(conn, e->window, mask, wc);
8555                         xcb_flush(conn);
8556                 }
8557         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8558             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8559                 if (win->ws->r)
8560                         r = win->ws->r;
8561                 else if (win->ws->old_r)
8562                         r = win->ws->old_r;
8563
8564                 /* windows are centered unless ANYWHERE quirk is set. */
8565                 if (win->quirks & SWM_Q_ANYWHERE) {
8566                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8567                                 win->g_float.x = e->x;
8568                                 if (r)
8569                                         win->g_float.x -= X(r);
8570                         }
8571
8572                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8573                                 win->g_float.y = e->y;
8574                                 if (r)
8575                                         win->g_float.y -= Y(r);
8576                         }
8577                 }
8578
8579                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8580                         win->g_float.w = e->width;
8581
8582                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8583                         win->g_float.h = e->height;
8584
8585                 win->g_floatvalid = 1;
8586
8587                 if (win->floating && r && (win->transient ||
8588                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8589                         WIDTH(win) = win->g_float.w;
8590                         HEIGHT(win) = win->g_float.h;
8591
8592                         if (r) {
8593                                 stack_floater(win, r);
8594                                 focus_flush();
8595                         }
8596                 } else {
8597                         config_win(win, e);
8598                         xcb_flush(conn);
8599                 }
8600         } else {
8601                 config_win(win, e);
8602                 xcb_flush(conn);
8603         }
8604
8605         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8606 }
8607
8608 void
8609 configurenotify(xcb_configure_notify_event_t *e)
8610 {
8611         struct ws_win           *win;
8612
8613         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8614             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8615             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8616             e->width, e->height, e->border_width, e->above_sibling,
8617             YESNO(e->override_redirect));
8618
8619         win = find_window(e->window);
8620         if (win) {
8621                 xcb_icccm_get_wm_normal_hints_reply(conn,
8622                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8623                     &win->sh, NULL);
8624                 adjust_font(win);
8625                 if (font_adjusted) {
8626                         stack();
8627                         xcb_flush(conn);
8628                 }
8629         }
8630 }
8631
8632 void
8633 destroynotify(xcb_destroy_notify_event_t *e)
8634 {
8635         struct ws_win           *win;
8636
8637         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8638
8639         if ((win = find_window(e->window)) == NULL) {
8640                 if ((win = find_unmanaged_window(e->window)) == NULL)
8641                         return;
8642                 free_window(win);
8643                 return;
8644         }
8645
8646         if (focus_mode != SWM_FOCUS_FOLLOW) {
8647                 /* If we were focused, make sure we focus on something else. */
8648                 if (win == win->ws->focus)
8649                         win->ws->focus_pending = get_focus_prev(win);
8650         }
8651
8652         unmanage_window(win);
8653         stack();
8654
8655         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8656                 if (win->ws->focus_pending) {
8657                         focus_win(win->ws->focus_pending);
8658                         win->ws->focus_pending = NULL;
8659                 } else if (win == win->ws->focus) {
8660                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8661                             win->ws->r->id, XCB_CURRENT_TIME);
8662                 }
8663         }
8664
8665         free_window(win);
8666
8667         focus_flush();
8668 }
8669
8670 #ifdef SWM_DEBUG
8671 char *
8672 get_notify_detail_label(uint8_t detail)
8673 {
8674         char *label;
8675
8676         switch (detail) {
8677         case XCB_NOTIFY_DETAIL_ANCESTOR:
8678                 label = "Ancestor";
8679                 break;
8680         case XCB_NOTIFY_DETAIL_VIRTUAL:
8681                 label = "Virtual";
8682                 break;
8683         case XCB_NOTIFY_DETAIL_INFERIOR:
8684                 label = "Inferior";
8685                 break;
8686         case XCB_NOTIFY_DETAIL_NONLINEAR:
8687                 label = "Nonlinear";
8688                 break;
8689         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8690                 label = "NonlinearVirtual";
8691                 break;
8692         case XCB_NOTIFY_DETAIL_POINTER:
8693                 label = "Pointer";
8694                 break;
8695         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8696                 label = "PointerRoot";
8697                 break;
8698         case XCB_NOTIFY_DETAIL_NONE:
8699                 label = "None";
8700                 break;
8701         default:
8702                 label = "Unknown";
8703         }
8704
8705         return label;
8706 }
8707
8708 char *
8709 get_notify_mode_label(uint8_t mode)
8710 {
8711         char *label;
8712
8713         switch (mode) {
8714         case XCB_NOTIFY_MODE_NORMAL:
8715                 label = "Normal";
8716                 break;
8717         case XCB_NOTIFY_MODE_GRAB:
8718                 label = "Grab";
8719                 break;
8720         case XCB_NOTIFY_MODE_UNGRAB:
8721                 label = "Ungrab";
8722                 break;
8723         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8724                 label = "WhileGrabbed";
8725                 break;
8726         default:
8727                 label = "Unknown";
8728         }
8729
8730         return label;
8731 }
8732 #endif
8733
8734 void
8735 enternotify(xcb_enter_notify_event_t *e)
8736 {
8737         struct ws_win           *win;
8738         struct swm_region       *r;
8739
8740         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8741             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8742             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8743             e->time, e->event, e->event_x, e->event_y,
8744             get_notify_mode_label(e->mode), e->mode,
8745             get_notify_detail_label(e->detail), e->detail,
8746             e->root, e->root_x, e->root_y, e->child,
8747             YESNO(e->same_screen_focus), e->state);
8748
8749         if (focus_mode == SWM_FOCUS_MANUAL &&
8750             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8751                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8752                 return;
8753         }
8754
8755         last_event_time = e->time;
8756
8757         if ((win = find_window(e->event)) == NULL) {
8758                 if (e->event == e->root) {
8759                         /* If no windows on pointer region, then focus root. */
8760                         r = root_to_region(e->root, SWM_CK_POINTER);
8761                         if (r == NULL) {
8762                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8763                                     "NULL region; ignoring.\n");
8764                                 return;
8765                         }
8766
8767                         focus_region(r);
8768                 } else {
8769                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8770                             "ignoring\n");
8771                         return;
8772                 }
8773         } else {
8774                 focus_win(get_focus_magic(win));
8775         }
8776
8777         xcb_flush(conn);
8778 }
8779
8780 #ifdef SWM_DEBUG
8781 void
8782 leavenotify(xcb_leave_notify_event_t *e)
8783 {
8784         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8785             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8786             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8787             e->time, e->event, e->event_x, e->event_y,
8788             get_notify_mode_label(e->mode), e->mode,
8789             get_notify_detail_label(e->detail), e->detail,
8790             e->root, e->root_x, e->root_y, e->child,
8791             YESNO(e->same_screen_focus), e->state);
8792 }
8793 #endif
8794
8795 void
8796 mapnotify(xcb_map_notify_event_t *e)
8797 {
8798         struct ws_win           *win;
8799
8800         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8801
8802         if ((win = manage_window(e->window, 1)) == NULL)
8803                 return;
8804
8805         win->mapped = 1;
8806         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8807
8808         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8809                 if (win->ws->focus_pending == win) {
8810                         focus_win(win);
8811                         win->ws->focus_pending = NULL;
8812                         focus_flush();
8813                 }
8814         }
8815
8816         xcb_flush(conn);
8817 }
8818
8819 void
8820 mappingnotify(xcb_mapping_notify_event_t *e)
8821 {
8822         struct ws_win   *w;
8823         int     i, j, num_screens;
8824
8825         xcb_refresh_keyboard_mapping(syms, e);
8826
8827         if (e->request == XCB_MAPPING_KEYBOARD) {
8828                 grabkeys();
8829
8830                 /* Regrab buttons on all managed windows. */
8831                 num_screens = get_screen_count();
8832                 for (i = 0; i < num_screens; i++)
8833                         for (j = 0; j < workspace_limit; j++)
8834                                 TAILQ_FOREACH(w, &screens[i].ws[j].winlist,
8835                                     entry)
8836                                         grabbuttons(w);
8837         }
8838 }
8839
8840 void
8841 maprequest(xcb_map_request_event_t *e)
8842 {
8843         struct ws_win           *win, *w = NULL;
8844         xcb_get_window_attributes_reply_t *war;
8845
8846         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8847             e->window);
8848
8849         war = xcb_get_window_attributes_reply(conn,
8850             xcb_get_window_attributes(conn, e->window),
8851             NULL);
8852         if (war == NULL) {
8853                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8854                 goto out;
8855         }
8856
8857         if (war->override_redirect) {
8858                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8859                     "skipping.\n");
8860                 goto out;
8861         }
8862
8863         win = manage_window(e->window,
8864             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8865         if (win == NULL)
8866                 goto out;
8867
8868         /* The new window should get focus; prepare. */
8869         if (focus_mode != SWM_FOCUS_FOLLOW &&
8870             !(win->quirks & SWM_Q_NOFOCUSONMAP) &&
8871             (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
8872              (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
8873               win->hints.input))) {
8874                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8875                         /* See if other wins of same type are already mapped. */
8876                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8877                                 if (w == win || !w->mapped)
8878                                         continue;
8879
8880                                 if (w->ch.class_name &&
8881                                     win->ch.class_name &&
8882                                     strcmp(w->ch.class_name,
8883                                     win->ch.class_name) == 0 &&
8884                                     w->ch.instance_name &&
8885                                     win->ch.instance_name &&
8886                                     strcmp(w->ch.instance_name,
8887                                     win->ch.instance_name) == 0)
8888                                         break;
8889                         }
8890                 }
8891
8892                 if (w == NULL)
8893                         win->ws->focus_pending = get_focus_magic(win);
8894         }
8895
8896         /* All windows need to be mapped if they are in the current workspace.*/
8897         if (win->ws->r)
8898                 stack();
8899
8900         /* Ignore EnterNotify to handle the mapnotify without interference. */
8901         if (focus_mode == SWM_FOCUS_DEFAULT)
8902                 event_drain(XCB_ENTER_NOTIFY);
8903 out:
8904         free(war);
8905         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8906 }
8907
8908 void
8909 motionnotify(xcb_motion_notify_event_t *e)
8910 {
8911         struct swm_region       *r;
8912         int                     i, num_screens;
8913
8914         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8915             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8916             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8917             e->time, e->event, e->event_x, e->event_y,
8918             get_notify_detail_label(e->detail), e->detail,
8919             e->root, e->root_x, e->root_y, e->child,
8920             YESNO(e->same_screen), e->state);
8921
8922         last_event_time = e->time;
8923
8924         if (focus_mode == SWM_FOCUS_MANUAL)
8925                 return;
8926
8927         num_screens = get_screen_count();
8928         for (i = 0; i < num_screens; i++)
8929                 if (screens[i].root == e->root)
8930                         break;
8931
8932         TAILQ_FOREACH(r, &screens[i].rl, entry)
8933                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8934                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8935                         break;
8936
8937         focus_region(r);
8938 }
8939
8940 #ifdef SWM_DEBUG
8941 char *
8942 get_atom_name(xcb_atom_t atom)
8943 {
8944         char                            *name = NULL;
8945 #ifdef SWM_DEBUG_ATOM_NAMES
8946         /*
8947          * This should be disabled during most debugging since
8948          * xcb_get_* causes an xcb_flush.
8949          */
8950         size_t                          len;
8951         xcb_get_atom_name_reply_t       *r;
8952
8953         r = xcb_get_atom_name_reply(conn,
8954             xcb_get_atom_name(conn, atom),
8955             NULL);
8956         if (r) {
8957                 len = xcb_get_atom_name_name_length(r);
8958                 if (len > 0) {
8959                         name = malloc(len + 1);
8960                         if (name) {
8961                                 memcpy(name, xcb_get_atom_name_name(r), len);
8962                                 name[len] = '\0';
8963                         }
8964                 }
8965                 free(r);
8966         }
8967 #else
8968         (void)atom;
8969 #endif
8970         return (name);
8971 }
8972 #endif
8973
8974 void
8975 propertynotify(xcb_property_notify_event_t *e)
8976 {
8977         struct ws_win           *win;
8978         struct workspace        *ws;
8979 #ifdef SWM_DEBUG
8980         char                    *name;
8981
8982         name = get_atom_name(e->atom);
8983         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8984             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8985             e->state);
8986         free(name);
8987 #endif
8988         win = find_window(e->window);
8989         if (win == NULL)
8990                 return;
8991
8992         ws = win->ws;
8993
8994         last_event_time = e->time;
8995
8996         if (e->atom == a_swm_iconic) {
8997                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8998                         if (focus_mode != SWM_FOCUS_FOLLOW)
8999                                 ws->focus_pending = get_focus_prev(win);
9000
9001                         unfocus_win(win);
9002                         unmap_window(win);
9003
9004                         if (ws->r) {
9005                                 stack();
9006
9007                                 if (focus_mode != SWM_FOCUS_FOLLOW &&
9008                                     WS_FOCUSED(ws)) {
9009                                         if (ws->focus_pending) {
9010                                                 focus_win(ws->focus_pending);
9011                                                 ws->focus_pending = NULL;
9012                                         } else {
9013                                                 xcb_set_input_focus(conn,
9014                                                     XCB_INPUT_FOCUS_PARENT,
9015                                                     ws->r->id,
9016                                                     XCB_CURRENT_TIME);
9017                                         }
9018                                 }
9019
9020                                 focus_flush();
9021                         }
9022                 } else if (e->state == XCB_PROPERTY_DELETE) {
9023                         /* Reload floating geometry in case region changed. */
9024                         if (win->floating)
9025                                 load_float_geom(win);
9026
9027                         /* The window is no longer iconic, restack ws. */
9028                         if (focus_mode != SWM_FOCUS_FOLLOW)
9029                                 ws->focus_pending = get_focus_magic(win);
9030
9031                         stack();
9032
9033                         /* Flush EnterNotify for mapnotify, if needed. */
9034                         focus_flush();
9035                 }
9036         } else if (e->atom == a_state) {
9037                 /* State just changed, make sure it gets focused if mapped. */
9038                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
9039                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
9040                                 if (win->mapped &&
9041                                     ws->focus_pending == win) {
9042                                         focus_win(ws->focus_pending);
9043                                         ws->focus_pending = NULL;
9044                                 }
9045                         }
9046                 }
9047         } else if (e->atom == XCB_ATOM_WM_CLASS ||
9048             e->atom == XCB_ATOM_WM_NAME) {
9049                 bar_draw();
9050         } else if (e->atom == a_prot) {
9051                 get_wm_protocols(win);
9052         }
9053
9054         xcb_flush(conn);
9055 }
9056
9057 void
9058 unmapnotify(xcb_unmap_notify_event_t *e)
9059 {
9060         struct ws_win           *win;
9061         struct workspace        *ws;
9062
9063         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
9064
9065         /* If we aren't managing the window, then ignore. */
9066         win = find_window(e->window);
9067         if (win == NULL || win->id != e->window)
9068                 return;
9069
9070         ws = win->ws;
9071
9072         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
9073                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
9074
9075         if (win->mapped) {
9076                 /* window unmapped itself */
9077                 /* do unmap/unfocus/restack and unmanage */
9078                 win->mapped = 0;
9079
9080                 /* If win was focused, make sure to focus on something else. */
9081                 if (win == ws->focus) {
9082                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9083                                 ws->focus_pending = get_focus_prev(win);
9084                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
9085                                     "focus_pending: 0x%x\n",
9086                                     WINID(ws->focus_pending));
9087                         }
9088
9089                         unfocus_win(win);
9090                 }
9091
9092                 unmanage_window(win);
9093
9094                 if (ws->r)
9095                         stack();
9096
9097                 if (WS_FOCUSED(ws)) {
9098                         if (focus_mode == SWM_FOCUS_FOLLOW) {
9099                                 focus_win(get_pointer_win(ws->r->s->root));
9100                         } else if (ws->focus_pending) {
9101                                 focus_win(ws->focus_pending);
9102                                 ws->focus_pending = NULL;
9103                         } else if (ws->focus == NULL) {
9104                                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
9105                                     ws->r->id, XCB_CURRENT_TIME);
9106                         }
9107                 }
9108         }
9109
9110         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
9111                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
9112
9113         focus_flush();
9114 }
9115
9116 void
9117 clientmessage(xcb_client_message_event_t *e)
9118 {
9119         struct ws_win           *win;
9120         xcb_map_request_event_t mre;
9121 #ifdef SWM_DEBUG
9122         char                    *name;
9123
9124         name = get_atom_name(e->type);
9125         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
9126             e->window, name, e->type);
9127         free(name);
9128 #endif
9129         win = find_window(e->window);
9130
9131         if (win == NULL) {
9132                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9133                         /* Manage the window with maprequest. */
9134                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
9135                             "unmanaged window.\n");
9136                         mre.window = e->window;
9137                         maprequest(&mre);
9138                 }
9139                 return;
9140         }
9141
9142         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9143                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
9144                 if (WS_FOCUSED(win->ws))
9145                         focus_win(win);
9146                 else
9147                         win->ws->focus_pending = win;
9148         }
9149         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
9150                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
9151                 if (win->can_delete)
9152                         client_msg(win, a_delete, 0);
9153                 else
9154                         xcb_kill_client(conn, win->id);
9155         }
9156         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
9157                 DNPRINTF(SWM_D_EVENT,
9158                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
9159                 if (win->floating) {
9160                         if (e->data.data32[0] & (1<<8)) /* x */
9161                                 X(win) = e->data.data32[1];
9162                         if (e->data.data32[0] & (1<<9)) /* y */
9163                                 Y(win) = e->data.data32[2];
9164                         if (e->data.data32[0] & (1<<10)) /* width */
9165                                 WIDTH(win) = e->data.data32[3];
9166                         if (e->data.data32[0] & (1<<11)) /* height */
9167                                 HEIGHT(win) = e->data.data32[4];
9168
9169                         update_window(win);
9170                 }
9171                 else {
9172                         /* TODO: Change stack sizes */
9173                         /* notify no change was made. */
9174                         config_win(win, NULL);
9175                 }
9176         }
9177         if (e->type == ewmh[_NET_WM_STATE].atom) {
9178                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
9179                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
9180                 if (e->data.data32[2])
9181                         ewmh_update_win_state(win, e->data.data32[2],
9182                             e->data.data32[0]);
9183
9184                 stack();
9185         }
9186
9187         focus_flush();
9188 }
9189
9190 void
9191 check_conn(void)
9192 {
9193         int      errcode = xcb_connection_has_error(conn);
9194 #ifdef XCB_CONN_ERROR
9195         char    *s;
9196         switch (errcode) {
9197         case XCB_CONN_ERROR:
9198                 s = "Socket error, pipe error or other stream error.";
9199                 break;
9200         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
9201                 s = "Extension not supported.";
9202                 break;
9203         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
9204                 s = "Insufficient memory.";
9205                 break;
9206         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
9207                 s = "Request length was exceeded.";
9208                 break;
9209         case XCB_CONN_CLOSED_PARSE_ERR:
9210                 s = "Error parsing display string.";
9211                 break;
9212         default:
9213                 s = "Unknown error.";
9214         }
9215         if (errcode)
9216                 errx(errcode, "X CONNECTION ERROR: %s", s);
9217 #else
9218         if (errcode)
9219                 errx(errcode, "X CONNECTION ERROR");
9220 #endif
9221 }
9222
9223 int
9224 enable_wm(void)
9225 {
9226         int                     num_screens, i;
9227         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
9228             XCB_EVENT_MASK_ENTER_WINDOW;
9229         xcb_screen_t            *sc;
9230         xcb_void_cookie_t       wac;
9231         xcb_generic_error_t     *error;
9232
9233         /* this causes an error if some other window manager is running */
9234         num_screens = get_screen_count();
9235         for (i = 0; i < num_screens; i++) {
9236                 if ((sc = get_screen(i)) == NULL)
9237                         errx(1, "ERROR: can't get screen %d.", i);
9238                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
9239                     i, sc->root);
9240                 wac = xcb_change_window_attributes_checked(conn, sc->root,
9241                     XCB_CW_EVENT_MASK, &val);
9242                 if ((error = xcb_request_check(conn, wac))) {
9243                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
9244                             error->error_code);
9245                         free(error);
9246                         return 1;
9247                 }
9248
9249                 /* click to focus on empty region */
9250                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
9251                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
9252                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
9253         }
9254
9255         return 0;
9256 }
9257
9258 void
9259 new_region(struct swm_screen *s, int x, int y, int w, int h)
9260 {
9261         struct swm_region       *r, *n;
9262         struct workspace        *ws = NULL;
9263         int                     i;
9264         uint32_t                wa[1];
9265
9266         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9267              s->idx, w, h, x, y);
9268
9269         /* remove any conflicting regions */
9270         n = TAILQ_FIRST(&s->rl);
9271         while (n) {
9272                 r = n;
9273                 n = TAILQ_NEXT(r, entry);
9274                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9275                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9276                         if (r->ws->r != NULL)
9277                                 r->ws->old_r = r->ws->r;
9278                         r->ws->r = NULL;
9279                         bar_cleanup(r);
9280                         xcb_destroy_window(conn, r->id);
9281                         TAILQ_REMOVE(&s->rl, r, entry);
9282                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9283                 }
9284         }
9285
9286         /* search old regions for one to reuse */
9287
9288         /* size + location match */
9289         TAILQ_FOREACH(r, &s->orl, entry)
9290                 if (X(r) == x && Y(r) == y &&
9291                     HEIGHT(r) == h && WIDTH(r) == w)
9292                         break;
9293
9294         /* size match */
9295         TAILQ_FOREACH(r, &s->orl, entry)
9296                 if (HEIGHT(r) == h && WIDTH(r) == w)
9297                         break;
9298
9299         if (r != NULL) {
9300                 TAILQ_REMOVE(&s->orl, r, entry);
9301                 /* try to use old region's workspace */
9302                 if (r->ws->r == NULL)
9303                         ws = r->ws;
9304         } else
9305                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9306                         err(1, "new_region: calloc: failed to allocate memory "
9307                             "for screen");
9308
9309         /* if we don't have a workspace already, find one */
9310         if (ws == NULL) {
9311                 for (i = 0; i < workspace_limit; i++)
9312                         if (s->ws[i].r == NULL) {
9313                                 ws = &s->ws[i];
9314                                 break;
9315                         }
9316         }
9317
9318         if (ws == NULL)
9319                 errx(1, "new_region: no free workspaces");
9320
9321         X(r) = x;
9322         Y(r) = y;
9323         WIDTH(r) = w;
9324         HEIGHT(r) = h;
9325         r->s = s;
9326         r->ws = ws;
9327         r->ws_prior = NULL;
9328         ws->r = r;
9329         outputs++;
9330         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9331
9332         /* Invisible region window to detect pointer events on empty regions. */
9333         r->id = xcb_generate_id(conn);
9334         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9335             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9336
9337         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9338             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9339             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9340
9341         xcb_map_window(conn, r->id);
9342 }
9343
9344 void
9345 scan_xrandr(int i)
9346 {
9347 #ifdef SWM_XRR_HAS_CRTC
9348         int                                             c;
9349         int                                             ncrtc = 0;
9350 #endif /* SWM_XRR_HAS_CRTC */
9351         struct swm_region                               *r;
9352         struct ws_win                                   *win;
9353         int                                             num_screens;
9354         xcb_randr_get_screen_resources_current_cookie_t src;
9355         xcb_randr_get_screen_resources_current_reply_t  *srr;
9356         xcb_randr_get_crtc_info_cookie_t                cic;
9357         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9358         xcb_randr_crtc_t                                *crtc;
9359         xcb_screen_t                                    *screen;
9360
9361         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9362
9363         if ((screen = get_screen(i)) == NULL)
9364                 errx(1, "ERROR: can't get screen %d.", i);
9365
9366         num_screens = get_screen_count();
9367         if (i >= num_screens)
9368                 errx(1, "scan_xrandr: invalid screen");
9369
9370         /* remove any old regions */
9371         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9372                 r->ws->old_r = r->ws->r = NULL;
9373                 bar_cleanup(r);
9374                 xcb_destroy_window(conn, r->id);
9375                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9376                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9377         }
9378         outputs = 0;
9379
9380         /* map virtual screens onto physical screens */
9381 #ifdef SWM_XRR_HAS_CRTC
9382         if (xrandr_support) {
9383                 src = xcb_randr_get_screen_resources_current(conn,
9384                     screens[i].root);
9385                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9386                     NULL);
9387                 if (srr == NULL) {
9388                         new_region(&screens[i], 0, 0,
9389                             screen->width_in_pixels,
9390                             screen->height_in_pixels);
9391                         goto out;
9392                 } else
9393                         ncrtc = srr->num_crtcs;
9394
9395                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9396                 for (c = 0; c < ncrtc; c++) {
9397                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9398                             XCB_CURRENT_TIME);
9399                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9400                         if (cir == NULL)
9401                                 continue;
9402                         if (cir->num_outputs == 0) {
9403                                 free(cir);
9404                                 continue;
9405                         }
9406
9407                         if (cir->mode == 0)
9408                                 new_region(&screens[i], 0, 0,
9409                                     screen->width_in_pixels,
9410                                     screen->height_in_pixels);
9411                         else
9412                                 new_region(&screens[i],
9413                                     cir->x, cir->y, cir->width, cir->height);
9414                         free(cir);
9415                 }
9416                 free(srr);
9417         }
9418 #endif /* SWM_XRR_HAS_CRTC */
9419
9420         /* If detection failed, create a single region that spans the screen. */
9421         if (TAILQ_EMPTY(&screens[i].rl))
9422                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9423                     screen->height_in_pixels);
9424
9425 out:
9426         /* Cleanup unused previously visible workspaces. */
9427         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9428                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9429                         unmap_window(win);
9430
9431                 /* The screen shouldn't focus on an unused region. */
9432                 if (screens[i].r_focus == r)
9433                         screens[i].r_focus = NULL;
9434         }
9435
9436         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9437 }
9438
9439 void
9440 screenchange(xcb_randr_screen_change_notify_event_t *e)
9441 {
9442         struct swm_region               *r;
9443         int                             i, num_screens;
9444
9445         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9446
9447         num_screens = get_screen_count();
9448         /* silly event doesn't include the screen index */
9449         for (i = 0; i < num_screens; i++)
9450                 if (screens[i].root == e->root)
9451                         break;
9452         if (i >= num_screens)
9453                 errx(1, "screenchange: screen not found");
9454
9455         /* brute force for now, just re-enumerate the regions */
9456         scan_xrandr(i);
9457
9458 #ifdef SWM_DEBUG
9459         print_win_geom(e->root);
9460 #endif
9461         /* add bars to all regions */
9462         for (i = 0; i < num_screens; i++) {
9463                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9464                         bar_setup(r);
9465         }
9466
9467         stack();
9468
9469         /* Make sure a region has focus on each screen. */
9470         for (i = 0; i < num_screens; i++) {
9471                 if (screens[i].r_focus == NULL) {
9472                         r = TAILQ_FIRST(&screens[i].rl);
9473                         if (r != NULL)
9474                                 focus_region(r);
9475                 }
9476         }
9477
9478         bar_draw();
9479         focus_flush();
9480 }
9481
9482 void
9483 grab_windows(void)
9484 {
9485         struct swm_region       *r = NULL;
9486         xcb_window_t            *wins = NULL, trans;
9487         int                     no;
9488         int                     i, j, num_screens;
9489         uint16_t                state, manage, mapped;
9490
9491         xcb_query_tree_cookie_t                 qtc;
9492         xcb_query_tree_reply_t                  *qtr;
9493         xcb_get_window_attributes_cookie_t      gac;
9494         xcb_get_window_attributes_reply_t       *gar;
9495         xcb_get_property_cookie_t               pc;
9496
9497         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9498         num_screens = get_screen_count();
9499         for (i = 0; i < num_screens; i++) {
9500                 qtc = xcb_query_tree(conn, screens[i].root);
9501                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9502                 if (qtr == NULL)
9503                         continue;
9504                 wins = xcb_query_tree_children(qtr);
9505                 no = xcb_query_tree_children_length(qtr);
9506                 /* attach windows to a region */
9507                 /* normal windows */
9508                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9509                 for (j = 0; j < no; j++) {
9510                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9511                                 if (r->id == wins[j]) {
9512                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9513                                             "skip %#x; region input window.\n",
9514                                             wins[j]);
9515                                         break;
9516                                 }
9517                         }
9518
9519                         if (r)
9520                                 continue;
9521
9522                         gac = xcb_get_window_attributes(conn, wins[j]);
9523                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9524                         if (gar == NULL) {
9525                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9526                                     "doesn't exist.\n", wins[j]);
9527                                 continue;
9528                         }
9529
9530                         if (gar->override_redirect) {
9531                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9532                                     "override_redirect set.\n", wins[j]);
9533                                 free(gar);
9534                                 continue;
9535                         }
9536
9537                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9538                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9539                             &trans, NULL)) {
9540                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9541                                     "is transient for %#x.\n", wins[j], trans);
9542                                 free(gar);
9543                                 continue;
9544                         }
9545
9546                         state = getstate(wins[j]);
9547                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9548                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9549                         if (mapped || manage)
9550                                 manage_window(wins[j], mapped);
9551                         free(gar);
9552                 }
9553                 /* transient windows */
9554                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9555                 for (j = 0; j < no; j++) {
9556                         gac = xcb_get_window_attributes(conn, wins[j]);
9557                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9558                         if (gar == NULL) {
9559                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9560                                     "doesn't exist.\n", wins[j]);
9561                                 continue;
9562                         }
9563
9564                         if (gar->override_redirect) {
9565                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9566                                     "override_redirect set.\n", wins[j]);
9567                                 free(gar);
9568                                 continue;
9569                         }
9570
9571                         state = getstate(wins[j]);
9572                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9573                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9574                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9575                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9576                             &trans, NULL) && manage)
9577                                 manage_window(wins[j], mapped);
9578                         free(gar);
9579                 }
9580                 free(qtr);
9581         }
9582         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9583 }
9584
9585 void
9586 setup_screens(void)
9587 {
9588         int                                     i, j, k, num_screens;
9589         struct workspace                        *ws;
9590         uint32_t                                gcv[1], wa[1];
9591         const xcb_query_extension_reply_t       *qep;
9592         xcb_screen_t                            *screen;
9593         xcb_randr_query_version_cookie_t        c;
9594         xcb_randr_query_version_reply_t         *r;
9595
9596         num_screens = get_screen_count();
9597         if ((screens = calloc(num_screens,
9598              sizeof(struct swm_screen))) == NULL)
9599                 err(1, "setup_screens: calloc: failed to allocate memory for "
9600                     "screens");
9601
9602         /* initial Xrandr setup */
9603         xrandr_support = 0;
9604         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9605         if (qep->present) {
9606                 c = xcb_randr_query_version(conn, 1, 1);
9607                 r = xcb_randr_query_version_reply(conn, c, NULL);
9608                 if (r) {
9609                         if (r->major_version >= 1) {
9610                                 xrandr_support = 1;
9611                                 xrandr_eventbase = qep->first_event;
9612                         }
9613                         free(r);
9614                 }
9615         }
9616
9617         wa[0] = cursors[XC_LEFT_PTR].cid;
9618
9619         /* map physical screens */
9620         for (i = 0; i < num_screens; i++) {
9621                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9622                 screens[i].idx = i;
9623                 screens[i].r_focus = NULL;
9624
9625                 TAILQ_INIT(&screens[i].rl);
9626                 TAILQ_INIT(&screens[i].orl);
9627                 if ((screen = get_screen(i)) == NULL)
9628                         errx(1, "ERROR: can't get screen %d.", i);
9629                 screens[i].root = screen->root;
9630
9631                 /* set default colors */
9632                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9633                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9634                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9635                 setscreencolor("rgb:00/40/40", i + 1,
9636                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9637                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9638                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9639
9640                 /* create graphics context on screen */
9641                 screens[i].bar_gc = xcb_generate_id(conn);
9642                 gcv[0] = 0;
9643                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9644                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9645
9646                 /* set default cursor */
9647                 xcb_change_window_attributes(conn, screens[i].root,
9648                     XCB_CW_CURSOR, wa);
9649
9650                 /* init all workspaces */
9651                 /* XXX these should be dynamically allocated too */
9652                 for (j = 0; j < SWM_WS_MAX; j++) {
9653                         ws = &screens[i].ws[j];
9654                         ws->idx = j;
9655                         ws->name = NULL;
9656                         ws->bar_enabled = 1;
9657                         ws->focus = NULL;
9658                         ws->focus_prev = NULL;
9659                         ws->focus_pending = NULL;
9660                         ws->r = NULL;
9661                         ws->old_r = NULL;
9662                         TAILQ_INIT(&ws->winlist);
9663                         TAILQ_INIT(&ws->unmanagedlist);
9664
9665                         for (k = 0; layouts[k].l_stack != NULL; k++)
9666                                 if (layouts[k].l_config != NULL)
9667                                         layouts[k].l_config(ws,
9668                                             SWM_ARG_ID_STACKINIT);
9669                         ws->cur_layout = &layouts[0];
9670                         ws->cur_layout->l_string(ws);
9671                 }
9672
9673                 scan_xrandr(i);
9674
9675                 if (xrandr_support)
9676                         xcb_randr_select_input(conn, screens[i].root,
9677                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9678         }
9679 }
9680
9681 void
9682 setup_globals(void)
9683 {
9684         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9685                 err(1, "setup_globals: strdup: failed to allocate memory.");
9686
9687         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9688                 err(1, "setup_globals: strdup: failed to allocate memory.");
9689
9690         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9691                 errx(1, "unable to allocate key symbols");
9692
9693         a_state = get_atom_from_string("WM_STATE");
9694         a_prot = get_atom_from_string("WM_PROTOCOLS");
9695         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9696         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9697         a_utf8_string = get_atom_from_string("UTF8_STRING");
9698         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9699         a_swm_ws = get_atom_from_string("_SWM_WS");
9700 }
9701
9702 void
9703 workaround(void)
9704 {
9705         int                     i, num_screens;
9706         xcb_atom_t              netwmcheck;
9707         xcb_window_t            root, win;
9708
9709         /* work around sun jdk bugs, code from wmname */
9710         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9711
9712         num_screens = get_screen_count();
9713         for (i = 0; i < num_screens; i++) {
9714                 root = screens[i].root;
9715
9716                 win = xcb_generate_id(conn);
9717                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9718                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9719                     XCB_COPY_FROM_PARENT, 0, NULL);
9720
9721                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9722                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9723                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9724                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9725                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9726                     ewmh[_NET_WM_NAME].atom, a_utf8_string, 8, strlen("LG3D"),
9727                     "LG3D");
9728         }
9729 }
9730
9731 void
9732 shutdown_cleanup(void)
9733 {
9734         int i, num_screens;
9735
9736         /* disable alarm because the following code may not be interrupted */
9737         alarm(0);
9738         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9739                 err(1, "can't disable alarm");
9740
9741         bar_extra_stop();
9742         unmap_all();
9743
9744         cursors_cleanup();
9745
9746         teardown_ewmh();
9747
9748         num_screens = get_screen_count();
9749         for (i = 0; i < num_screens; ++i) {
9750                 if (screens[i].bar_gc != XCB_NONE)
9751                         xcb_free_gc(conn, screens[i].bar_gc);
9752                 if (!bar_font_legacy)
9753                         XftColorFree(display, DefaultVisual(display, i),
9754                             DefaultColormap(display, i), &bar_font_color);
9755         }
9756
9757         if (bar_font_legacy)
9758                 XFreeFontSet(display, bar_fs);
9759         else {
9760                 XftFontClose(display, bar_font);
9761         }
9762
9763         xcb_key_symbols_free(syms);
9764         xcb_flush(conn);
9765         xcb_disconnect(conn);
9766 }
9767
9768 void
9769 event_error(xcb_generic_error_t *e)
9770 {
9771         (void)e;
9772
9773         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9774             "resource_id: %u, minor_code: %u\n",
9775             xcb_event_get_error_label(e->error_code), e->error_code,
9776             xcb_event_get_request_label(e->major_code), e->major_code,
9777             e->sequence, e->resource_id, e->minor_code);
9778 }
9779
9780 void
9781 event_handle(xcb_generic_event_t *evt)
9782 {
9783         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9784
9785         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9786             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9787             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9788
9789         switch (type) {
9790 #define EVENT(type, callback) case type: callback((void *)evt); return
9791         EVENT(0, event_error);
9792         EVENT(XCB_BUTTON_PRESS, buttonpress);
9793         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9794         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9795         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9796         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9797         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9798         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9799         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9800         /*EVENT(XCB_CREATE_NOTIFY, );*/
9801         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9802         EVENT(XCB_ENTER_NOTIFY, enternotify);
9803         EVENT(XCB_EXPOSE, expose);
9804 #ifdef SWM_DEBUG
9805         EVENT(XCB_FOCUS_IN, focusin);
9806         EVENT(XCB_FOCUS_OUT, focusout);
9807 #endif
9808         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9809         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9810         EVENT(XCB_KEY_PRESS, keypress);
9811         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9812         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9813 #ifdef SWM_DEBUG
9814         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9815 #endif
9816         EVENT(XCB_MAP_NOTIFY, mapnotify);
9817         EVENT(XCB_MAP_REQUEST, maprequest);
9818         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9819         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9820         /*EVENT(XCB_NO_EXPOSURE, );*/
9821         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9822         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9823         /*EVENT(XCB_RESIZE_REQUEST, );*/
9824         /*EVENT(XCB_SELECTION_CLEAR, );*/
9825         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9826         /*EVENT(XCB_SELECTION_REQUEST, );*/
9827         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9828         /*EVENT(XCB_VISIBILITY_NOTIFY, );*/
9829 #undef EVENT
9830         }
9831         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9832                 screenchange((void *)evt);
9833 }
9834
9835 int
9836 main(int argc, char *argv[])
9837 {
9838         struct swm_region       *r;
9839         char                    conf[PATH_MAX], *cfile = NULL;
9840         struct stat             sb;
9841         int                     xfd, i, num_screens, startup = 1;
9842         struct sigaction        sact;
9843         xcb_generic_event_t     *evt;
9844         struct timeval          tv;
9845         fd_set                  rd;
9846         int                     rd_max;
9847         int                     stdin_ready = 0;
9848         int                     num_readable;
9849
9850         /* suppress unused warning since var is needed */
9851         (void)argc;
9852
9853         time_started = time(NULL);
9854
9855         start_argv = argv;
9856         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9857         if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
9858                 warnx("no locale support");
9859
9860         /* handle some signals */
9861         bzero(&sact, sizeof(sact));
9862         sigemptyset(&sact.sa_mask);
9863         sact.sa_flags = 0;
9864         sact.sa_handler = sighdlr;
9865         sigaction(SIGINT, &sact, NULL);
9866         sigaction(SIGQUIT, &sact, NULL);
9867         sigaction(SIGTERM, &sact, NULL);
9868         sigaction(SIGHUP, &sact, NULL);
9869
9870         sact.sa_handler = sighdlr;
9871         sact.sa_flags = SA_NOCLDSTOP;
9872         sigaction(SIGCHLD, &sact, NULL);
9873
9874         if ((display = XOpenDisplay(0)) == NULL)
9875                 errx(1, "can not open display");
9876
9877         conn = XGetXCBConnection(display);
9878         if (xcb_connection_has_error(conn))
9879                 errx(1, "can not get XCB connection");
9880
9881         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9882
9883         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9884         xfd = xcb_get_file_descriptor(conn);
9885
9886         /* look for local and global conf file */
9887         pwd = getpwuid(getuid());
9888         if (pwd == NULL)
9889                 errx(1, "invalid user: %d", getuid());
9890
9891         xcb_grab_server(conn);
9892         xcb_aux_sync(conn);
9893
9894         /* flush all events */
9895         while ((evt = xcb_poll_for_event(conn))) {
9896                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9897                         event_handle(evt);
9898                 free(evt);
9899         }
9900
9901         if (enable_wm())
9902                 errx(1, "another window manager is currently running");
9903
9904         /* Load Xcursors and/or cursorfont glyph cursors. */
9905         cursors_load();
9906
9907         xcb_aux_sync(conn);
9908
9909         setup_globals();
9910         setup_screens();
9911         setup_keys();
9912         setup_quirks();
9913         setup_spawn();
9914
9915         /* load config */
9916         for (i = 0; ; i++) {
9917                 conf[0] = '\0';
9918                 switch (i) {
9919                 case 0:
9920                         /* ~ */
9921                         snprintf(conf, sizeof conf, "%s/.%s",
9922                             pwd->pw_dir, SWM_CONF_FILE);
9923                         break;
9924                 case 1:
9925                         /* global */
9926                         snprintf(conf, sizeof conf, "/etc/%s",
9927                             SWM_CONF_FILE);
9928                         break;
9929                 case 2:
9930                         /* ~ compat */
9931                         snprintf(conf, sizeof conf, "%s/.%s",
9932                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9933                         break;
9934                 case 3:
9935                         /* global compat */
9936                         snprintf(conf, sizeof conf, "/etc/%s",
9937                             SWM_CONF_FILE_OLD);
9938                         break;
9939                 default:
9940                         goto noconfig;
9941                 }
9942
9943                 if (strlen(conf) && stat(conf, &sb) != -1)
9944                         if (S_ISREG(sb.st_mode)) {
9945                                 cfile = conf;
9946                                 break;
9947                         }
9948         }
9949 noconfig:
9950
9951         /* load conf (if any) */
9952         if (cfile)
9953                 conf_load(cfile, SWM_CONF_DEFAULT);
9954
9955         validate_spawns();
9956
9957         setup_ewmh();
9958         /* set some values to work around bad programs */
9959         workaround();
9960         /* grab existing windows (before we build the bars) */
9961         grab_windows();
9962
9963         if (getenv("SWM_STARTED") == NULL)
9964                 setenv("SWM_STARTED", "YES", 1);
9965
9966         /* setup all bars */
9967         num_screens = get_screen_count();
9968         for (i = 0; i < num_screens; i++)
9969                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9970                         bar_setup(r);
9971
9972         grabkeys();
9973         stack();
9974         bar_draw();
9975
9976         xcb_ungrab_server(conn);
9977         xcb_flush(conn);
9978
9979         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9980
9981         while (running) {
9982                 while ((evt = xcb_poll_for_event(conn))) {
9983                         if (!running)
9984                                 goto done;
9985                         event_handle(evt);
9986                         free(evt);
9987                 }
9988
9989                 /* If just (re)started, set default focus if needed. */
9990                 if (startup) {
9991                         startup = 0;
9992
9993                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9994                                 r = TAILQ_FIRST(&screens[0].rl);
9995                                 if (r) {
9996                                         focus_region(r);
9997                                         focus_flush();
9998                                 }
9999                                 continue;
10000                         }
10001                 }
10002
10003                 FD_ZERO(&rd);
10004
10005                 if (bar_extra)
10006                         FD_SET(STDIN_FILENO, &rd);
10007
10008                 FD_SET(xfd, &rd);
10009                 tv.tv_sec = 1;
10010                 tv.tv_usec = 0;
10011                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
10012                 if (num_readable == -1 && errno != EINTR) {
10013                         DNPRINTF(SWM_D_MISC, "select failed");
10014                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
10015                         stdin_ready = 1;
10016                 }
10017
10018                 if (restart_wm)
10019                         restart(NULL, NULL);
10020
10021                 if (search_resp)
10022                         search_do_resp();
10023
10024                 if (!running)
10025                         goto done;
10026
10027                 if (stdin_ready) {
10028                         stdin_ready = 0;
10029                         bar_extra_update();
10030                 }
10031
10032                 bar_draw();
10033                 xcb_flush(conn);
10034         }
10035 done:
10036         shutdown_cleanup();
10037
10038         return (0);
10039 }