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) 2011-2012 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  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/extensions/Xrandr.h>
  92 #include <X11/Xft/Xft.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/xcb_atom.h>
  95 #include <xcb/xcb_aux.h>
  96 #include <xcb/xcb_event.h>
  97 #include <xcb/xcb_icccm.h>
  98 #include <xcb/xcb_keysyms.h>
  99 #include <xcb/xtest.h>
 100 #include <xcb/randr.h>
 101
 102 /* local includes */
 103 #include "version.h"
 104 #ifdef __OSX__
 105 #include <osx.h>
 106 #endif
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 #if defined(__OpenBSD__)
 125 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 126 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 128 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 129 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 130 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 131 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 132 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 133 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 134 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 135 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 136 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 137 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 138 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 139 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 140 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 141 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 142 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 143 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 144 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 145 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 146 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 147 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 148 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 149 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 150 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 151 #endif
 152
 153 #define SWM_DEBUG
 154 #ifdef SWM_DEBUG
 155 #define DPRINTF(x...) do {                                                      \
 156         if (swm_debug)                                                          \
 157                 fprintf(stderr, x);                                             \
 158 } while (0)
 159 #define DNPRINTF(n,x...) do {                                                   \
 160         if (swm_debug & n) {                                                    \
 161                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 162                 fprintf(stderr, x);                                             \
 163         }                                                                       \
 164 } while (0)
 165 #define SWM_D_MISC              0x0001
 166 #define SWM_D_EVENT             0x0002
 167 #define SWM_D_WS                0x0004
 168 #define SWM_D_FOCUS             0x0008
 169 #define SWM_D_MOVE              0x0010
 170 #define SWM_D_STACK             0x0020
 171 #define SWM_D_MOUSE             0x0040
 172 #define SWM_D_PROP              0x0080
 173 #define SWM_D_CLASS             0x0100
 174 #define SWM_D_KEY               0x0200
 175 #define SWM_D_QUIRK             0x0400
 176 #define SWM_D_SPAWN             0x0800
 177 #define SWM_D_EVENTQ            0x1000
 178 #define SWM_D_CONF              0x2000
 179 #define SWM_D_BAR               0x4000
 180 #define SWM_D_INIT              0x8000
 181
 182 u_int32_t               swm_debug = 0
 183                             | SWM_D_MISC
 184                             | SWM_D_EVENT
 185                             | SWM_D_WS
 186                             | SWM_D_FOCUS
 187                             | SWM_D_MOVE
 188                             | SWM_D_STACK
 189                             | SWM_D_MOUSE
 190                             | SWM_D_PROP
 191                             | SWM_D_CLASS
 192                             | SWM_D_KEY
 193                             | SWM_D_QUIRK
 194                             | SWM_D_SPAWN
 195                             | SWM_D_EVENTQ
 196                             | SWM_D_CONF
 197                             | SWM_D_BAR
 198                             | SWM_D_INIT
 199                             ;
 200 #else
 201 #define DPRINTF(x...)
 202 #define DNPRINTF(n,x...)
 203 #endif
 204
 205 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 206 #define MODKEY                  Mod1Mask
 207 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 208 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 209 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 210 #define SWM_PROPLEN             (16)
 211 #define SWM_FUNCNAME_LEN        (32)
 212 #define SWM_KEYS_LEN            (255)
 213 #define SWM_QUIRK_LEN           (64)
 214 #define X(r)                    (r)->g.x
 215 #define Y(r)                    (r)->g.y
 216 #define WIDTH(r)                (r)->g.w
 217 #define HEIGHT(r)               (r)->g.h
 218 #define BORDER(w)               (w->bordered ? border_width : 0)
 219 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 220 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 221 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 222 #define SH_MIN_W(w)             (w)->sh.min_width
 223 #define SH_MIN_H(w)             (w)->sh.min_height
 224 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 225 #define SH_MAX_W(w)             (w)->sh.max_width
 226 #define SH_MAX_H(w)             (w)->sh.max_height
 227 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 228 #define SH_INC_W(w)             (w)->sh.width_inc
 229 #define SH_INC_H(w)             (w)->sh.height_inc
 230 #define SWM_MAX_FONT_STEPS      (3)
 231 #define WINID(w)                ((w) ? (w)->id : 0)
 232 #define YESNO(x)                ((x) ? "yes" : "no")
 233
 234 #define SWM_FOCUS_DEFAULT       (0)
 235 #define SWM_FOCUS_SYNERGY       (1)
 236 #define SWM_FOCUS_FOLLOW        (2)
 237
 238 #define SWM_CONF_DEFAULT        (0)
 239 #define SWM_CONF_KEYMAPPING     (1)
 240
 241 #ifndef SWM_LIB
 242 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 243 #endif
 244
 245 char                    **start_argv;
 246 xcb_atom_t              a_state;
 247 xcb_atom_t              a_prot;
 248 xcb_atom_t              a_delete;
 249 xcb_atom_t              a_takefocus;
 250 xcb_atom_t              a_wmname;
 251 xcb_atom_t              a_netwmname;
 252 xcb_atom_t              a_utf8_string;
 253 xcb_atom_t              a_string;
 254 xcb_atom_t              a_swm_iconic;
 255 volatile sig_atomic_t   running = 1;
 256 volatile sig_atomic_t   restart_wm = 0;
 257 int                     outputs = 0;
 258 /*int                   last_focus_event = FocusOut;*/
 259 int                     other_wm;
 260 int                     ss_enabled = 0;
 261 int                     xrandr_support;
 262 int                     xrandr_eventbase;
 263 unsigned int            numlockmask = 0;
 264
 265 Display                 *display;
 266 xcb_connection_t        *conn;
 267 xcb_key_symbols_t       *syms;
 268
 269 int                     cycle_empty = 0;
 270 int                     cycle_visible = 0;
 271 int                     term_width = 0;
 272 int                     font_adjusted = 0;
 273 unsigned int            mod_key = MODKEY;
 274
 275 /* dmenu search */
 276 struct swm_region       *search_r;
 277 int                     select_list_pipe[2];
 278 int                     select_resp_pipe[2];
 279 pid_t                   searchpid;
 280 volatile sig_atomic_t   search_resp;
 281 int                     search_resp_action;
 282
 283 struct search_window {
 284         TAILQ_ENTRY(search_window)      entry;
 285         int                             idx;
 286         struct ws_win                   *win;
 287         xcb_gcontext_t                  gc;
 288         xcb_window_t                    indicator;
 289 };
 290 TAILQ_HEAD(search_winlist, search_window);
 291 struct search_winlist                   search_wl;
 292
 293 /* search actions */
 294 enum {
 295         SWM_SEARCH_NONE,
 296         SWM_SEARCH_UNICONIFY,
 297         SWM_SEARCH_NAME_WORKSPACE,
 298         SWM_SEARCH_SEARCH_WORKSPACE,
 299         SWM_SEARCH_SEARCH_WINDOW
 300 };
 301
 302 #define SWM_STACK_TOP           (0)
 303 #define SWM_STACK_BOTTOM        (1)
 304 #define SWM_STACK_ABOVE         (2)
 305 #define SWM_STACK_BELOW         (3)
 306
 307 /* dialog windows */
 308 double                  dialog_ratio = 0.6;
 309 /* status bar */
 310 #define SWM_BAR_MAX             (256)
 311 #define SWM_BAR_JUSTIFY_LEFT    (0)
 312 #define SWM_BAR_JUSTIFY_CENTER  (1)
 313 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 314 #define SWM_BAR_OFFSET          (4)
 315 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 316                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 317                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 318                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 319                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 320
 321 char                    *bar_argv[] = { NULL, NULL };
 322 int                     bar_pipe[2];
 323 unsigned char           bar_ext[SWM_BAR_MAX];
 324 char                    bar_vertext[SWM_BAR_MAX];
 325 int                     bar_version = 0;
 326 sig_atomic_t            bar_alarm = 0;
 327 int                     bar_delay = 30;
 328 int                     bar_enabled = 1;
 329 int                     bar_border_width = 1;
 330 int                     bar_at_bottom = 0;
 331 int                     bar_extra = 1;
 332 int                     bar_extra_running = 0;
 333 int                     bar_verbose = 1;
 334 int                     bar_height = 0;
 335 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 336 char                    *bar_format = NULL;
 337 int                     stack_enabled = 1;
 338 int                     clock_enabled = 1;
 339 int                     urgent_enabled = 0;
 340 char                    *clock_format = NULL;
 341 int                     title_name_enabled = 0;
 342 int                     title_class_enabled = 0;
 343 int                     window_name_enabled = 0;
 344 int                     focus_mode = SWM_FOCUS_DEFAULT;
 345 int                     focus_close = SWM_STACK_BELOW;
 346 int                     focus_close_wrap = 1;
 347 int                     focus_default = SWM_STACK_TOP;
 348 int                     spawn_position = SWM_STACK_TOP;
 349 int                     disable_border = 0;
 350 int                     border_width = 1;
 351 int                     verbose_layout = 0;
 352 time_t                  time_started;
 353 pid_t                   bar_pid;
 354 XftFont                 *bar_font;
 355 char                    *bar_fonts;
 356 XftColor                bar_font_color;
 357 struct passwd           *pwd;
 358
 359 /* layout manager data */
 360 struct swm_geometry {
 361         int                     x;
 362         int                     y;
 363         int                     w;
 364         int                     h;
 365 };
 366
 367 struct swm_screen;
 368 struct workspace;
 369
 370 struct swm_bar {
 371         xcb_window_t            id;
 372         xcb_pixmap_t            buffer;
 373         struct swm_geometry     g;
 374 };
 375
 376 /* virtual "screens" */
 377 struct swm_region {
 378         TAILQ_ENTRY(swm_region) entry;
 379         struct swm_geometry     g;
 380         struct workspace        *ws;    /* current workspace on this region */
 381         struct workspace        *ws_prior; /* prior workspace on this region */
 382         struct swm_screen       *s;     /* screen idx */
 383         struct swm_bar          *bar;
 384 };
 385 TAILQ_HEAD(swm_region_list, swm_region);
 386
 387 struct ws_win {
 388         TAILQ_ENTRY(ws_win)     entry;
 389         xcb_window_t            id;
 390         xcb_window_t            transient;
 391         struct ws_win           *child_trans;   /* transient child window */
 392         struct swm_geometry     g;              /* current geometry */
 393         struct swm_geometry     g_float;        /* region coordinates */
 394         int                     g_floatvalid;   /* g_float geometry validity */
 395         int                     floatmaxed;     /* whether maxed by max_stack */
 396         int                     floating;
 397         int                     manual;
 398         int32_t                 iconic;
 399         int                     bordered;
 400         unsigned int            ewmh_flags;
 401         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 402         int                     font_steps;
 403         int                     last_inc;
 404         int                     can_delete;
 405         int                     take_focus;
 406         int                     java;
 407         unsigned long           quirks;
 408         struct workspace        *ws;    /* always valid */
 409         struct swm_screen       *s;     /* always valid, never changes */
 410         xcb_get_geometry_reply_t        *wa;
 411         xcb_size_hints_t        sh;
 412         xcb_icccm_get_wm_class_reply_t  ch;
 413         xcb_icccm_wm_hints_t    hints;
 414 };
 415 TAILQ_HEAD(ws_win_list, ws_win);
 416
 417 /* pid goo */
 418 struct pid_e {
 419         TAILQ_ENTRY(pid_e)      entry;
 420         pid_t                   pid;
 421         int                     ws;
 422 };
 423 TAILQ_HEAD(pid_list, pid_e);
 424 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 425
 426 /* layout handlers */
 427 void    stack(void);
 428 void    vertical_config(struct workspace *, int);
 429 void    vertical_stack(struct workspace *, struct swm_geometry *);
 430 void    horizontal_config(struct workspace *, int);
 431 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 432 void    max_stack(struct workspace *, struct swm_geometry *);
 433 void    plain_stacker(struct workspace *);
 434 void    fancy_stacker(struct workspace *);
 435
 436 struct layout {
 437         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 438         void            (*l_config)(struct workspace *, int);
 439         u_int32_t       flags;
 440 #define SWM_L_FOCUSPREV         (1<<0)
 441 #define SWM_L_MAPONFOCUS        (1<<1)
 442         void            (*l_string)(struct workspace *);
 443 } layouts[] =  {
 444         /* stack,               configure */
 445         { vertical_stack,       vertical_config,        0,      plain_stacker },
 446         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 447         { max_stack,            NULL,
 448           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 449         { NULL,                 NULL,                   0,      NULL  },
 450 };
 451
 452 /* position of max_stack mode in the layouts array, index into layouts! */
 453 #define SWM_V_STACK             (0)
 454 #define SWM_H_STACK             (1)
 455 #define SWM_MAX_STACK           (2)
 456
 457 #define SWM_H_SLICE             (32)
 458 #define SWM_V_SLICE             (32)
 459
 460 /* define work spaces */
 461 struct workspace {
 462         int                     idx;            /* workspace index */
 463         char                    *name;          /* workspace name */
 464         int                     always_raise;   /* raise windows on focus */
 465         struct layout           *cur_layout;    /* current layout handlers */
 466         struct ws_win           *focus;         /* may be NULL */
 467         struct ws_win           *focus_prev;    /* may be NULL */
 468         struct swm_region       *r;             /* may be NULL */
 469         struct swm_region       *old_r;         /* may be NULL */
 470         struct ws_win_list      winlist;        /* list of windows in ws */
 471         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 472         char                    stacker[10];    /* display stacker and layout */
 473
 474         /* stacker state */
 475         struct {
 476                                 int horizontal_msize;
 477                                 int horizontal_mwin;
 478                                 int horizontal_stacks;
 479                                 int horizontal_flip;
 480                                 int vertical_msize;
 481                                 int vertical_mwin;
 482                                 int vertical_stacks;
 483                                 int vertical_flip;
 484         } l_state;
 485 };
 486
 487 enum {
 488         SWM_S_COLOR_BAR,
 489         SWM_S_COLOR_BAR_BORDER,
 490         SWM_S_COLOR_BAR_FONT,
 491         SWM_S_COLOR_FOCUS,
 492         SWM_S_COLOR_UNFOCUS,
 493         SWM_S_COLOR_MAX
 494 };
 495
 496 /* physical screen mapping */
 497 #define SWM_WS_MAX              (22)    /* hard limit */
 498 int             workspace_limit = 10;   /* soft limit */
 499
 500 struct swm_screen {
 501         int                     idx;    /* screen index */
 502         struct swm_region_list  rl;     /* list of regions on this screen */
 503         struct swm_region_list  orl;    /* list of old regions */
 504         xcb_window_t            root;
 505         struct workspace        ws[SWM_WS_MAX];
 506
 507         /* colors */
 508         struct {
 509                 uint32_t        color;
 510                 char            *name;
 511         } c[SWM_S_COLOR_MAX];
 512
 513         xcb_gcontext_t          bar_gc;
 514 };
 515 struct swm_screen       *screens;
 516
 517 /* args to functions */
 518 union arg {
 519         int                     id;
 520 #define SWM_ARG_ID_FOCUSNEXT    (0)
 521 #define SWM_ARG_ID_FOCUSPREV    (1)
 522 #define SWM_ARG_ID_FOCUSMAIN    (2)
 523 #define SWM_ARG_ID_FOCUSCUR     (4)
 524 #define SWM_ARG_ID_SWAPNEXT     (10)
 525 #define SWM_ARG_ID_SWAPPREV     (11)
 526 #define SWM_ARG_ID_SWAPMAIN     (12)
 527 #define SWM_ARG_ID_MOVELAST     (13)
 528 #define SWM_ARG_ID_MASTERSHRINK (20)
 529 #define SWM_ARG_ID_MASTERGROW   (21)
 530 #define SWM_ARG_ID_MASTERADD    (22)
 531 #define SWM_ARG_ID_MASTERDEL    (23)
 532 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 533 #define SWM_ARG_ID_STACKRESET   (30)
 534 #define SWM_ARG_ID_STACKINIT    (31)
 535 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 536 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 537 #define SWM_ARG_ID_CYCLESC_UP   (42)
 538 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 539 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 540 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 541 #define SWM_ARG_ID_STACKINC     (50)
 542 #define SWM_ARG_ID_STACKDEC     (51)
 543 #define SWM_ARG_ID_SS_ALL       (60)
 544 #define SWM_ARG_ID_SS_WINDOW    (61)
 545 #define SWM_ARG_ID_DONTCENTER   (70)
 546 #define SWM_ARG_ID_CENTER       (71)
 547 #define SWM_ARG_ID_KILLWINDOW   (80)
 548 #define SWM_ARG_ID_DELETEWINDOW (81)
 549 #define SWM_ARG_ID_WIDTHGROW    (90)
 550 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 551 #define SWM_ARG_ID_HEIGHTGROW   (92)
 552 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 553 #define SWM_ARG_ID_MOVEUP       (100)
 554 #define SWM_ARG_ID_MOVEDOWN     (101)
 555 #define SWM_ARG_ID_MOVELEFT     (102)
 556 #define SWM_ARG_ID_MOVERIGHT    (103)
 557         char                    **argv;
 558 };
 559
 560 /* quirks */
 561 struct quirk {
 562         TAILQ_ENTRY(quirk)      entry;
 563         char                    *class;
 564         char                    *name;
 565         unsigned long           quirk;
 566 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 567 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 568 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 569 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 570 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 571 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 572 };
 573 TAILQ_HEAD(quirk_list, quirk);
 574 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 575
 576 /*
 577  * Supported EWMH hints should be added to
 578  * both the enum and the ewmh array
 579  */
 580 enum {
 581         _NET_ACTIVE_WINDOW,
 582         _NET_CLOSE_WINDOW,
 583         _NET_MOVERESIZE_WINDOW,
 584         _NET_WM_ACTION_CLOSE,
 585         _NET_WM_ACTION_FULLSCREEN,
 586         _NET_WM_ACTION_MOVE,
 587         _NET_WM_ACTION_RESIZE,
 588         _NET_WM_ALLOWED_ACTIONS,
 589         _NET_WM_STATE,
 590         _NET_WM_STATE_ABOVE,
 591         _NET_WM_STATE_FULLSCREEN,
 592         _NET_WM_STATE_HIDDEN,
 593         _NET_WM_STATE_MAXIMIZED_HORZ,
 594         _NET_WM_STATE_MAXIMIZED_VERT,
 595         _NET_WM_STATE_SKIP_PAGER,
 596         _NET_WM_STATE_SKIP_TASKBAR,
 597         _NET_WM_WINDOW_TYPE,
 598         _NET_WM_WINDOW_TYPE_DIALOG,
 599         _NET_WM_WINDOW_TYPE_DOCK,
 600         _NET_WM_WINDOW_TYPE_NORMAL,
 601         _NET_WM_WINDOW_TYPE_SPLASH,
 602         _NET_WM_WINDOW_TYPE_TOOLBAR,
 603         _NET_WM_WINDOW_TYPE_UTILITY,
 604         _SWM_WM_STATE_MANUAL,
 605         SWM_EWMH_HINT_MAX
 606 };
 607
 608 struct ewmh_hint {
 609         char            *name;
 610         xcb_atom_t      atom;
 611 } ewmh[SWM_EWMH_HINT_MAX] =     {
 612     /* must be in same order as in the enum */
 613     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 614     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 615     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 616     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 617     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 618     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 619     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 620     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 621     {"_NET_WM_STATE", XCB_ATOM_NONE},
 622     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 623     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 624     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 625     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 626     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 627     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 628     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 629     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 630     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 631     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 632     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 633     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 634     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 635     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 636     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 637 };
 638
 639 /* function prototypes */
 640 xcb_char2b_t *char2b(const char *);
 641 int      conf_load(char *, int);
 642 void     constrain_window(struct ws_win *, struct swm_region *, int);
 643 void     do_sync(void);
 644 void     event_handle(xcb_generic_event_t *);
 645 struct ws_win   *find_window(xcb_window_t);
 646 int      floating_toggle_win(struct ws_win *);
 647 void     focus(struct swm_region *, union arg *);
 648 void     focus_magic(struct ws_win *);
 649 xcb_atom_t get_atom_from_string(const char *);
 650 xcb_screen_t    *get_screen(int);
 651 char    *get_win_name(xcb_window_t);
 652 uint16_t getstate(xcb_window_t);
 653 void     grabbuttons(struct ws_win *, int);
 654 void     map_window_raised(xcb_window_t);
 655 void     new_region(struct swm_screen *, int, int, int, int);
 656 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 657 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 658 void     store_float_geom(struct ws_win *, struct swm_region *);
 659 void     unmanage_window(struct ws_win *);
 660 void     update_window(struct ws_win *);
 661 #ifdef SWM_DEBUG
 662 char    *get_atom_name(xcb_atom_t);
 663 #endif
 664
 665 /* function definitions */
 666 xcb_char2b_t *
 667 char2b(const char *str)
 668 {
 669         xcb_char2b_t    *s;
 670         size_t          i, len;
 671
 672         len = strlen(str);
 673         s = malloc(len * sizeof(xcb_char2b_t));
 674         if (!s)
 675                 return (NULL);
 676
 677         for (i = 0; i < len; i++) {
 678                 s[i].byte1 = '\0';
 679                 s[i].byte2 = str[i];
 680         }
 681
 682         return (s);
 683 }
 684
 685 int
 686 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 687 {
 688         unsigned int    tmpr, tmpg, tmpb;
 689
 690         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 691                 return (-1);
 692
 693         *rr = tmpr << 8;
 694         *gg = tmpg << 8;
 695         *bb = tmpb << 8;
 696
 697         return (0);
 698 }
 699
 700 xcb_screen_t *
 701 get_screen(int screen)
 702 {
 703         xcb_screen_iterator_t i;
 704
 705         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 706         for (; i.rem; --screen, xcb_screen_next(&i))
 707                 if (screen == 0)
 708                         return (i.data);
 709
 710         return (NULL);
 711 }
 712
 713 void
 714 do_sync(void)
 715 {
 716         xcb_get_input_focus_cookie_t    c;
 717         xcb_get_input_focus_reply_t     *r;
 718
 719         /* mimic XSync() */
 720         c = xcb_get_input_focus(conn);
 721         xcb_flush(conn);
 722         r = xcb_get_input_focus_reply(conn, c, NULL);
 723         if (r)
 724                 free(r);
 725 }
 726
 727 void
 728 map_window_raised(xcb_window_t win)
 729 {
 730         uint32_t        val = XCB_STACK_MODE_ABOVE;
 731
 732         xcb_configure_window(conn, win,
 733             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 734
 735         xcb_map_window(conn, win);
 736 }
 737
 738 xcb_atom_t
 739 get_atom_from_string(const char *str)
 740 {
 741         xcb_intern_atom_cookie_t        c;
 742         xcb_intern_atom_reply_t         *r;
 743         xcb_atom_t                      atom;
 744
 745         c = xcb_intern_atom(conn, False, strlen(str), str);
 746         r = xcb_intern_atom_reply(conn, c, NULL);
 747         if (r) {
 748                 atom = r->atom;
 749                 free(r);
 750
 751                 return (atom);
 752         }
 753
 754         return (XCB_ATOM_NONE);
 755 }
 756
 757 void
 758 update_iconic(struct ws_win *win, int newv)
 759 {
 760         int32_t                         v = newv;
 761         xcb_atom_t                      iprop;
 762
 763         win->iconic = newv;
 764
 765         iprop = get_atom_from_string("_SWM_ICONIC");
 766         if (iprop == XCB_ATOM_NONE)
 767                 return;
 768
 769         if (newv)
 770                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 771                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 772         else
 773                 xcb_delete_property(conn, win->id, iprop);
 774 }
 775
 776 int32_t
 777 get_iconic(struct ws_win *win)
 778 {
 779         int32_t                         v = 0;
 780         xcb_atom_t                      iprop;
 781         xcb_get_property_reply_t        *pr = NULL;
 782
 783         iprop = get_atom_from_string("_SWM_ICONIC");
 784         if (iprop == XCB_ATOM_NONE)
 785                 goto out;
 786
 787         pr = xcb_get_property_reply(conn,
 788             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 789             0, 1), NULL);
 790         if (!pr)
 791                 goto out;
 792         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 793                 goto out;
 794         v = *((int32_t *)xcb_get_property_value(pr));
 795 out:
 796         if (pr)
 797                 free(pr);
 798         return (v);
 799 }
 800
 801 void
 802 setup_ewmh(void)
 803 {
 804         xcb_atom_t                      sup_list;
 805         int                             i, j, num_screens;
 806
 807         sup_list = get_atom_from_string("_NET_SUPPORTED");
 808
 809         for (i = 0; i < LENGTH(ewmh); i++)
 810                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 811
 812         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 813         for (i = 0; i < num_screens; i++) {
 814                 /* Support check window will be created by workaround(). */
 815
 816                 /* Report supported atoms */
 817                 xcb_delete_property(conn, screens[i].root, sup_list);
 818                 for (j = 0; j < LENGTH(ewmh); j++)
 819                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 820                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 821                             &ewmh[j].atom);
 822         }
 823 }
 824
 825 void
 826 teardown_ewmh(void)
 827 {
 828         int                             i, num_screens;
 829         xcb_atom_t                      sup_check, sup_list;
 830         xcb_window_t                    id;
 831         xcb_get_property_cookie_t       pc;
 832         xcb_get_property_reply_t        *pr;
 833
 834         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 835         sup_list = get_atom_from_string("_NET_SUPPORTED");
 836         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 837
 838         for (i = 0; i < num_screens; i++) {
 839                 /* Get the support check window and destroy it */
 840                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 841                     XCB_ATOM_WINDOW, 0, 1);
 842                 pr = xcb_get_property_reply(conn, pc, NULL);
 843                 if (pr) {
 844                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 845
 846                         xcb_destroy_window(conn, id);
 847                         xcb_delete_property(conn, screens[i].root, sup_check);
 848                         xcb_delete_property(conn, screens[i].root, sup_list);
 849
 850                         free(pr);
 851                 }
 852         }
 853 }
 854
 855 void
 856 ewmh_autoquirk(struct ws_win *win)
 857 {
 858         uint32_t                i, n;
 859         xcb_atom_t              *type;
 860         xcb_get_property_cookie_t       c;
 861         xcb_get_property_reply_t        *r;
 862
 863         c = xcb_get_property(conn, False, win->id,
 864             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 865         r = xcb_get_property_reply(conn, c, NULL);
 866         if (!r)
 867                 return;
 868
 869         n = xcb_get_property_value_length(r);
 870         type = xcb_get_property_value(r);
 871
 872         for (i = 0; i < n; i++) {
 873                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 874                         break;
 875                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 876                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 877                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 878                         win->floating = 1;
 879                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 880                         break;
 881                 }
 882                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 883                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 884                         win->floating = 1;
 885                         win->quirks = SWM_Q_FLOAT;
 886                         break;
 887                 }
 888         }
 889         free(r);
 890 }
 891
 892 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 893 #define EWMH_F_FULLSCREEN               (1<<0)
 894 #define EWMH_F_ABOVE                    (1<<1)
 895 #define EWMH_F_HIDDEN                   (1<<2)
 896 #define EWMH_F_SKIP_PAGER               (1<<3)
 897 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 898 #define SWM_F_MANUAL                    (1<<5)
 899
 900 int
 901 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 902 {
 903         if (!win->ws->r)
 904                 return (0);
 905
 906         if (!win->floating)
 907                 return (0);
 908
 909         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 910             "fullscreen %s\n", win->id, YESNO(fs));
 911
 912         if (fs) {
 913                 if (!win->g_floatvalid)
 914                         store_float_geom(win, win->ws->r);
 915
 916                 win->g = win->ws->r->g;
 917                 win->bordered = 0;
 918         } else {
 919                 if (win->g_floatvalid) {
 920                         /* refloat at last floating relative position */
 921                         win->g = win->g_float;
 922                         X(win) += X(win->ws->r);
 923                         Y(win) += Y(win->ws->r);
 924                 }
 925         }
 926
 927         return (1);
 928 }
 929
 930 void
 931 ewmh_update_actions(struct ws_win *win)
 932 {
 933         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 934         int                     n = 0;
 935
 936         if (win == NULL)
 937                 return;
 938
 939         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 940
 941         if (win->floating) {
 942                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 943                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 944         }
 945
 946         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 947             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 948 }
 949
 950 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 951 #define _NET_WM_STATE_ADD       1    /* add/set property */
 952 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 953
 954 void
 955 ewmh_update_win_state(struct ws_win *win, long state, long action)
 956 {
 957         unsigned int            mask = 0;
 958         unsigned int            changed = 0;
 959         unsigned int            orig_flags;
 960
 961         if (win == NULL)
 962                 return;
 963
 964         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
 965             "action: %ld\n", win->id, state, action);
 966
 967         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 968                 mask = EWMH_F_FULLSCREEN;
 969         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 970                 mask = EWMH_F_ABOVE;
 971         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 972                 mask = SWM_F_MANUAL;
 973         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 974                 mask = EWMH_F_SKIP_PAGER;
 975         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 976                 mask = EWMH_F_SKIP_TASKBAR;
 977
 978
 979         orig_flags = win->ewmh_flags;
 980
 981         switch (action) {
 982         case _NET_WM_STATE_REMOVE:
 983                 win->ewmh_flags &= ~mask;
 984                 break;
 985         case _NET_WM_STATE_ADD:
 986                 win->ewmh_flags |= mask;
 987                 break;
 988         case _NET_WM_STATE_TOGGLE:
 989                 win->ewmh_flags ^= mask;
 990                 break;
 991         }
 992
 993         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 994
 995         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 996                 if (changed)
 997                         if (!floating_toggle_win(win))
 998                                 win->ewmh_flags = orig_flags; /* revert */
 999         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1000                 if (changed)
1001                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1002         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1003                 if (changed)
1004                         if (!ewmh_set_win_fullscreen(win,
1005                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1006                                 win->ewmh_flags = orig_flags; /* revert */
1007
1008         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1009
1010         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1011                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1012                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1013                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1014         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1015                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1016                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1017                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1018         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1019                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1020                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1021                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1022         if (win->ewmh_flags & EWMH_F_ABOVE)
1023                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1024                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1025                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1026         if (win->ewmh_flags & SWM_F_MANUAL)
1027                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1028                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1029                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1030 }
1031
1032 void
1033 ewmh_get_win_state(struct ws_win *win)
1034 {
1035         xcb_atom_t                      *states;
1036         xcb_get_property_cookie_t       c;
1037         xcb_get_property_reply_t        *r;
1038         int                             i, n;
1039
1040         if (win == NULL)
1041                 return;
1042
1043         win->ewmh_flags = 0;
1044         if (win->floating)
1045                 win->ewmh_flags |= EWMH_F_ABOVE;
1046         if (win->manual)
1047                 win->ewmh_flags |= SWM_F_MANUAL;
1048
1049         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1050             XCB_ATOM_ATOM, 0, UINT32_MAX);
1051         r = xcb_get_property_reply(conn, c, NULL);
1052         if (!r)
1053                 return;
1054
1055         states = xcb_get_property_value(r);
1056         n = xcb_get_property_value_length(r);
1057
1058         for (i = 0; i < n; i++)
1059                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1060
1061         free(r);
1062 }
1063
1064 /* events */
1065 #ifdef SWM_DEBUG
1066 void
1067 dumpwins(struct swm_region *r, union arg *args)
1068 {
1069         struct ws_win                           *win;
1070         uint16_t                                state;
1071         xcb_get_window_attributes_cookie_t      c;
1072         xcb_get_window_attributes_reply_t       *wa;
1073
1074         if (r->ws == NULL) {
1075                 warnx("dumpwins: invalid workspace");
1076                 return;
1077         }
1078
1079         warnx("=== managed window list ws %02d ===", r->ws->idx);
1080         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1081                 state = getstate(win->id);
1082                 c = xcb_get_window_attributes(conn, win->id);
1083                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1084                 if (wa) {
1085                         warnx("window: 0x%x, map_state: %d, state: %u, "
1086                             "transient: 0x%x", win->id, wa->map_state,
1087                             state, win->transient);
1088                         free(wa);
1089                 } else
1090                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1091                             win->id);
1092         }
1093
1094         warnx("===== unmanaged window list =====");
1095         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1096                 state = getstate(win->id);
1097                 c = xcb_get_window_attributes(conn, win->id);
1098                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1099                 if (wa) {
1100                         warnx("window: 0x%x, map_state: %d, state: %u, "
1101                             "transient: 0x%x", win->id, wa->map_state,
1102                             state, win->transient);
1103                         free(wa);
1104                 } else
1105                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1106                             win->id);
1107         }
1108
1109         warnx("=================================");
1110 }
1111 #else
1112 void
1113 dumpwins(struct swm_region *r, union arg *args)
1114 {
1115 }
1116 #endif /* SWM_DEBUG */
1117
1118 void                    event_error(xcb_generic_error_t *);
1119 void                    expose(xcb_expose_event_t *);
1120 void                    keypress(xcb_key_press_event_t *);
1121 void                    buttonpress(xcb_button_press_event_t *);
1122 void                    configurerequest(xcb_configure_request_event_t *);
1123 void                    configurenotify(xcb_configure_notify_event_t *);
1124 void                    destroynotify(xcb_destroy_notify_event_t *);
1125 void                    enternotify(xcb_enter_notify_event_t *);
1126 void                    mapnotify(xcb_map_notify_event_t *);
1127 void                    mappingnotify(xcb_mapping_notify_event_t *);
1128 void                    maprequest(xcb_map_request_event_t *);
1129 void                    propertynotify(xcb_property_notify_event_t *);
1130 void                    unmapnotify(xcb_unmap_notify_event_t *);
1131 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1132 void                    clientmessage(xcb_client_message_event_t *);
1133 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1134
1135 void
1136 sighdlr(int sig)
1137 {
1138         int                     saved_errno, status;
1139         pid_t                   pid;
1140
1141         saved_errno = errno;
1142
1143         switch (sig) {
1144         case SIGCHLD:
1145                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1146                         if (pid == -1) {
1147                                 if (errno == EINTR)
1148                                         continue;
1149 #ifdef SWM_DEBUG
1150                                 if (errno != ECHILD)
1151                                         warn("sighdlr: waitpid");
1152 #endif /* SWM_DEBUG */
1153                                 break;
1154                         }
1155                         if (pid == searchpid)
1156                                 search_resp = 1;
1157
1158 #ifdef SWM_DEBUG
1159                         if (WIFEXITED(status)) {
1160                                 if (WEXITSTATUS(status) != 0)
1161                                         warnx("sighdlr: child exit status: %d",
1162                                             WEXITSTATUS(status));
1163                         } else
1164                                 warnx("sighdlr: child is terminated "
1165                                     "abnormally");
1166 #endif /* SWM_DEBUG */
1167                 }
1168                 break;
1169
1170         case SIGHUP:
1171                 restart_wm = 1;
1172                 break;
1173         case SIGINT:
1174         case SIGTERM:
1175         case SIGQUIT:
1176                 running = 0;
1177                 break;
1178         }
1179
1180         errno = saved_errno;
1181 }
1182
1183 struct pid_e *
1184 find_pid(pid_t pid)
1185 {
1186         struct pid_e            *p = NULL;
1187
1188         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1189
1190         if (pid == 0)
1191                 return (NULL);
1192
1193         TAILQ_FOREACH(p, &pidlist, entry) {
1194                 if (p->pid == pid)
1195                         return (p);
1196         }
1197
1198         return (NULL);
1199 }
1200
1201 uint32_t
1202 name_to_color(const char *colorname)
1203 {
1204         uint32_t                        result = 0;
1205         char                            cname[32] = "#";
1206         xcb_screen_t                    *screen;
1207         xcb_colormap_t                  cmap;
1208         xcb_alloc_color_reply_t         *cr;
1209         xcb_alloc_named_color_reply_t   *nr;
1210         uint16_t                        rr, gg, bb;
1211
1212         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1213         cmap = screen->default_colormap;
1214
1215         /* color is in format rgb://rr/gg/bb */
1216         if (strncmp(colorname, "rgb:", 4) == 0) {
1217                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1218                         warnx("could not parse rgb %s", colorname);
1219                 else {
1220                         cr = xcb_alloc_color_reply(conn,
1221                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1222                             NULL);
1223                         if (cr) {
1224                                 result = cr->pixel;
1225                                 free(cr);
1226                         } else
1227                                 warnx("color '%s' not found", colorname);
1228                 }
1229         } else {
1230                 nr = xcb_alloc_named_color_reply(conn,
1231                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1232                             colorname), NULL);
1233                 if (!nr) {
1234                         strlcat(cname, colorname + 2, sizeof cname - 1);
1235                         nr = xcb_alloc_named_color_reply(conn,
1236                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1237                             cname), NULL);
1238                 }
1239                 if (nr) {
1240                         result = nr->pixel;
1241                         free(nr);
1242                 } else
1243                         warnx("color '%s' not found", colorname);
1244         }
1245
1246         return (result);
1247 }
1248
1249 void
1250 setscreencolor(char *val, int i, int c)
1251 {
1252         int     num_screens;
1253
1254         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1255         if (i > 0 && i <= num_screens) {
1256                 screens[i - 1].c[c].color = name_to_color(val);
1257                 free(screens[i - 1].c[c].name);
1258                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1259                         err(1, "strdup");
1260         } else if (i == -1) {
1261                 for (i = 0; i < num_screens; i++) {
1262                         screens[i].c[c].color = name_to_color(val);
1263                         free(screens[i].c[c].name);
1264                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1265                                 err(1, "strdup");
1266                 }
1267         } else
1268                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1269                     i, num_screens);
1270 }
1271
1272 void
1273 fancy_stacker(struct workspace *ws)
1274 {
1275         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1276         if (ws->cur_layout->l_stack == vertical_stack)
1277                 snprintf(ws->stacker, sizeof ws->stacker,
1278                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1279                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1280         if (ws->cur_layout->l_stack == horizontal_stack)
1281                 snprintf(ws->stacker, sizeof ws->stacker,
1282                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1283                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1284 }
1285
1286 void
1287 plain_stacker(struct workspace *ws)
1288 {
1289         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1290         if (ws->cur_layout->l_stack == vertical_stack)
1291                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1292                     sizeof ws->stacker);
1293         if (ws->cur_layout->l_stack == horizontal_stack)
1294                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1295                     sizeof ws->stacker);
1296 }
1297
1298 void
1299 custom_region(char *val)
1300 {
1301         unsigned int                    x, y, w, h;
1302         int                             sidx, num_screens;
1303         xcb_screen_t                    *screen;
1304
1305         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1306         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1307                 errx(1, "invalid custom region, "
1308                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1309         if (sidx < 1 || sidx > num_screens)
1310                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1311                     sidx, num_screens);
1312         sidx--;
1313
1314         screen = get_screen(sidx);
1315         if (w < 1 || h < 1)
1316                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1317
1318         if (x > screen->width_in_pixels ||
1319             y > screen->height_in_pixels ||
1320             w + x > screen->width_in_pixels ||
1321             h + y > screen->height_in_pixels) {
1322                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1323                     "boundaries (%ux%u)", w, h, x, y,
1324                     screen->width_in_pixels, screen->height_in_pixels);
1325                 return;
1326         }
1327
1328         new_region(&screens[sidx], x, y, w, h);
1329 }
1330
1331 void
1332 socket_setnonblock(int fd)
1333 {
1334         int                     flags;
1335
1336         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1337                 err(1, "fcntl F_GETFL");
1338         flags |= O_NONBLOCK;
1339         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1340                 err(1, "fcntl F_SETFL");
1341 }
1342
1343 void
1344 bar_print(struct swm_region *r, const char *s)
1345 {
1346         size_t                          len;
1347         xcb_rectangle_t                 rect;
1348         uint32_t                        gcv[1];
1349         int32_t                         x;
1350         XGlyphInfo                      info;
1351         XftDraw                         *draw;
1352
1353         len = strlen(s);
1354
1355         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1356
1357         switch (bar_justify) {
1358         case SWM_BAR_JUSTIFY_LEFT:
1359                 x = SWM_BAR_OFFSET;
1360                 break;
1361         case SWM_BAR_JUSTIFY_CENTER:
1362                 x = (WIDTH(r) - info.width) / 2;
1363                 break;
1364         case SWM_BAR_JUSTIFY_RIGHT:
1365                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1366                 break;
1367         }
1368
1369         if (x < SWM_BAR_OFFSET)
1370                 x = SWM_BAR_OFFSET;
1371
1372         rect.x = 0;
1373         rect.y = 0;
1374         rect.width = WIDTH(r->bar);
1375         rect.height = HEIGHT(r->bar);
1376
1377         /* clear back buffer */
1378         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1379         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1380         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1381             sizeof(rect), &rect);
1382
1383         /* draw back buffer */
1384         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1385         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1386         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1387         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1388
1389         draw = XftDrawCreate(display, r->bar->buffer,
1390             DefaultVisual(display, r->s->idx),
1391             DefaultColormap(display, r->s->idx));
1392
1393         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x, bar_font->height,
1394             (FcChar8 *)s, len);
1395
1396         XftDrawDestroy(draw);
1397
1398         /* blt */
1399         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1400             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1401 }
1402
1403 void
1404 bar_extra_stop(void)
1405 {
1406         if (bar_pipe[0]) {
1407                 close(bar_pipe[0]);
1408                 bzero(bar_pipe, sizeof bar_pipe);
1409         }
1410         if (bar_pid) {
1411                 kill(bar_pid, SIGTERM);
1412                 bar_pid = 0;
1413         }
1414         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1415         bar_extra = 0;
1416 }
1417
1418 void
1419 bar_class_name(char *s, size_t sz, struct swm_region *r)
1420 {
1421         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1422                 return;
1423         if (r->ws->focus->ch.class_name != NULL)
1424                 strlcat(s, r->ws->focus->ch.class_name, sz);
1425 }
1426
1427 void
1428 bar_title_name(char *s, size_t sz, struct swm_region *r)
1429 {
1430         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1431                 return;
1432         if (r->ws->focus->ch.instance_name != NULL)
1433                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1434 }
1435
1436 void
1437 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1438 {
1439         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1440                 return;
1441
1442         bar_class_name(s, sz, r);
1443         strlcat(s, ":", sz);
1444         bar_title_name(s, sz, r);
1445 }
1446
1447 void
1448 bar_window_float(char *s, size_t sz, struct swm_region *r)
1449 {
1450         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1451                 return;
1452         if (r->ws->focus->floating)
1453                 strlcat(s, "(f)", sz);
1454 }
1455
1456 void
1457 bar_window_name(char *s, size_t sz, struct swm_region *r)
1458 {
1459         char            *title;
1460
1461         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1462                 return;
1463         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1464                 return;
1465
1466         strlcat(s, title, sz);
1467         free(title);
1468 }
1469
1470 int             urgent[SWM_WS_MAX];
1471 void
1472 bar_urgent(char *s, size_t sz)
1473 {
1474         struct ws_win           *win;
1475         int                     i, j, num_screens;
1476         char                    b[8];
1477         xcb_get_property_cookie_t       c;
1478         xcb_icccm_wm_hints_t    hints;
1479
1480         for (i = 0; i < workspace_limit; i++)
1481                 urgent[i] = 0;
1482
1483         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1484         for (i = 0; i < num_screens; i++)
1485                 for (j = 0; j < workspace_limit; j++)
1486                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1487                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1488                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1489                                     &hints, NULL) == 0)
1490                                         continue;
1491                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1492                                         urgent[j] = 1;
1493                         }
1494
1495         for (i = 0; i < workspace_limit; i++) {
1496                 if (urgent[i])
1497                         snprintf(b, sizeof b, "%d ", i + 1);
1498                 else
1499                         snprintf(b, sizeof b, "- ");
1500                 strlcat(s, b, sz);
1501         }
1502 }
1503
1504 void
1505 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1506 {
1507         if (r == NULL || r->ws == NULL)
1508                 return;
1509         if (r->ws->name != NULL)
1510                 strlcat(s, r->ws->name, sz);
1511 }
1512
1513 /* build the default bar format according to the defined enabled options */
1514 void
1515 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1516 {
1517         /* if format provided, just copy the buffers */
1518         if (bar_format != NULL) {
1519                 strlcpy(fmtnew, fmtexp, sz);
1520                 return;
1521         }
1522
1523         /* reset the output buffer */
1524         *fmtnew = '\0';
1525
1526         strlcat(fmtnew, "+N:+I ", sz);
1527         if (stack_enabled)
1528                 strlcat(fmtnew, "+S", sz);
1529         strlcat(fmtnew, " ", sz);
1530
1531         /* only show the workspace name if there's actually one */
1532         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1533                 strlcat(fmtnew, "<+D>", sz);
1534         strlcat(fmtnew, "+3<", sz);
1535
1536         if (clock_enabled) {
1537                 strlcat(fmtnew, fmtexp, sz);
1538                 strlcat(fmtnew, "+4<", sz);
1539         }
1540
1541         /* bar_urgent already adds the space before the last asterisk */
1542         if (urgent_enabled)
1543                 strlcat(fmtnew, "* +U*+4<", sz);
1544
1545         if (title_class_enabled) {
1546                 strlcat(fmtnew, "+C", sz);
1547                 if (title_name_enabled == 0)
1548                         strlcat(fmtnew, "+4<", sz);
1549         }
1550
1551         /* checks needed by the colon and floating strlcat(3) calls below */
1552         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1553                 if (title_name_enabled) {
1554                         if (title_class_enabled)
1555                                 strlcat(fmtnew, ":", sz);
1556                         strlcat(fmtnew, "+T+4<", sz);
1557                 }
1558                 if (window_name_enabled) {
1559                         if (r->ws->focus->floating)
1560                                 strlcat(fmtnew, "+F ", sz);
1561                         strlcat(fmtnew, "+64W ", sz);
1562                 }
1563         }
1564
1565         /* finally add the action script output and the version */
1566         strlcat(fmtnew, "+4<+A+4<+V", sz);
1567 }
1568
1569 void
1570 bar_replace_pad(char *tmp, int *limit, size_t sz)
1571 {
1572         /* special case; no limit given, pad one space, instead */
1573         if (*limit == (int)sz - 1)
1574                 *limit = 1;
1575         snprintf(tmp, sz, "%*s", *limit, " ");
1576 }
1577
1578 /* replaces the bar format character sequences (like in tmux(1)) */
1579 char *
1580 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1581     size_t sz)
1582 {
1583         char                    *ptr;
1584         char                    tmp[SWM_BAR_MAX];
1585         int                     limit, size;
1586         size_t                  len;
1587
1588         /* reset strlcat(3) buffer */
1589         *tmp = '\0';
1590
1591         /* get number, if any */
1592         fmt++;
1593         size = 0;
1594         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1595                 limit = sizeof tmp - 1;
1596         if (limit <= 0 || limit >= (int)sizeof tmp)
1597                 limit = sizeof tmp - 1;
1598
1599         /* there is nothing to replace (ie EOL) */
1600         fmt += size;
1601         if (*fmt == '\0')
1602                 return (fmt);
1603
1604         switch (*fmt) {
1605         case '<':
1606                 bar_replace_pad(tmp, &limit, sizeof tmp);
1607                 break;
1608         case 'A':
1609                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1610                 break;
1611         case 'C':
1612                 bar_class_name(tmp, sizeof tmp, r);
1613                 break;
1614         case 'D':
1615                 bar_workspace_name(tmp, sizeof tmp, r);
1616                 break;
1617         case 'F':
1618                 bar_window_float(tmp, sizeof tmp, r);
1619                 break;
1620         case 'I':
1621                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1622                 break;
1623         case 'N':
1624                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1625                 break;
1626         case 'P':
1627                 bar_class_title_name(tmp, sizeof tmp, r);
1628                 break;
1629         case 'S':
1630                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1631                 break;
1632         case 'T':
1633                 bar_title_name(tmp, sizeof tmp, r);
1634                 break;
1635         case 'U':
1636                 bar_urgent(tmp, sizeof tmp);
1637                 break;
1638         case 'V':
1639                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1640                 break;
1641         case 'W':
1642                 bar_window_name(tmp, sizeof tmp, r);
1643                 break;
1644         default:
1645                 /* unknown character sequence; copy as-is */
1646                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1647                 break;
1648         }
1649
1650         len = strlen(tmp);
1651         ptr = tmp;
1652         if ((int)len < limit)
1653                 limit = len;
1654         while (limit-- > 0) {
1655                 if (*offrep >= sz - 1)
1656                         break;
1657                 fmtrep[(*offrep)++] = *ptr++;
1658         }
1659
1660         fmt++;
1661         return (fmt);
1662 }
1663
1664 void
1665 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1666 {
1667         size_t                  off;
1668
1669         off = 0;
1670         while (*fmt != '\0') {
1671                 if (*fmt != '+') {
1672                         /* skip ordinary characters */
1673                         if (off >= sz - 1)
1674                                 break;
1675                         fmtrep[off++] = *fmt++;
1676                         continue;
1677                 }
1678
1679                 /* character sequence found; replace it */
1680                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1681                 if (off >= sz - 1)
1682                         break;
1683         }
1684
1685         fmtrep[off] = '\0';
1686 }
1687
1688 void
1689 bar_fmt_expand(char *fmtexp, size_t sz)
1690 {
1691         char                    *fmt = NULL;
1692         size_t                  len;
1693         struct tm               tm;
1694         time_t                  tmt;
1695
1696         /* start by grabbing the current time and date */
1697         time(&tmt);
1698         localtime_r(&tmt, &tm);
1699
1700         /* figure out what to expand */
1701         if (bar_format != NULL)
1702                 fmt = bar_format;
1703         else if (bar_format == NULL && clock_enabled)
1704                 fmt = clock_format;
1705         /* if nothing to expand bail out */
1706         if (fmt == NULL) {
1707                 *fmtexp = '\0';
1708                 return;
1709         }
1710
1711         /* copy as-is, just in case the format shouldn't be expanded below */
1712         strlcpy(fmtexp, fmt, sz);
1713         /* finally pass the string through strftime(3) */
1714 #ifndef SWM_DENY_CLOCK_FORMAT
1715         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1716                 warnx("format too long");
1717         fmtexp[len] = '\0';
1718 #endif
1719 }
1720
1721 void
1722 bar_fmt_print(void)
1723 {
1724         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1725         char                    fmtrep[SWM_BAR_MAX];
1726         int                     i, num_screens;
1727         struct swm_region       *r;
1728
1729         /* expand the format by first passing it through strftime(3) */
1730         bar_fmt_expand(fmtexp, sizeof fmtexp);
1731
1732         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1733         for (i = 0; i < num_screens; i++) {
1734                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1735                         if (r->bar == NULL)
1736                                 continue;
1737                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1738                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1739                         bar_print(r, fmtrep);
1740                 }
1741         }
1742 }
1743
1744 void
1745 bar_update(void)
1746 {
1747         size_t                  len;
1748         char                    *b;
1749
1750         if (bar_enabled == 0)
1751                 return;
1752         if (bar_extra && bar_extra_running) {
1753                 /* ignore short reads; it'll correct itself */
1754                 while ((b = fgetln(stdin, &len)) != NULL)
1755                         if (b && b[len - 1] == '\n') {
1756                                 b[len - 1] = '\0';
1757                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1758                         }
1759                 if (b == NULL && errno != EAGAIN) {
1760                         warn("bar_update: bar_extra failed");
1761                         bar_extra_stop();
1762                 }
1763         } else
1764                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1765
1766         bar_fmt_print();
1767         alarm(bar_delay);
1768 }
1769
1770 void
1771 bar_signal(int sig)
1772 {
1773         bar_alarm = 1;
1774 }
1775
1776 void
1777 bar_toggle(struct swm_region *r, union arg *args)
1778 {
1779         struct swm_region       *tmpr;
1780         int                     i, num_screens;
1781
1782         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1783
1784         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1785         if (bar_enabled) {
1786                 for (i = 0; i < num_screens; i++)
1787                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1788                                 if (tmpr->bar)
1789                                         xcb_unmap_window(conn, tmpr->bar->id);
1790         } else {
1791                 for (i = 0; i < num_screens; i++)
1792                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1793                                 if (tmpr->bar)
1794                                         map_window_raised(tmpr->bar->id);
1795         }
1796
1797         bar_enabled = !bar_enabled;
1798
1799         stack();
1800         /* must be after stack */
1801         bar_update();
1802
1803         xcb_flush(conn);
1804 }
1805
1806 void
1807 bar_refresh(void)
1808 {
1809         struct swm_region       *r;
1810         uint32_t                wa[2];
1811         int                     i, num_screens;
1812
1813         /* do this here because the conf file is in memory */
1814         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1815                 /* launch external status app */
1816                 bar_extra_running = 1;
1817                 if (pipe(bar_pipe) == -1)
1818                         err(1, "pipe error");
1819                 socket_setnonblock(bar_pipe[0]);
1820                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1821                 if (dup2(bar_pipe[0], 0) == -1)
1822                         err(1, "dup2");
1823                 if (dup2(bar_pipe[1], 1) == -1)
1824                         err(1, "dup2");
1825                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1826                         err(1, "could not disable SIGPIPE");
1827                 switch (bar_pid = fork()) {
1828                 case -1:
1829                         err(1, "cannot fork");
1830                         break;
1831                 case 0: /* child */
1832                         close(bar_pipe[0]);
1833                         execvp(bar_argv[0], bar_argv);
1834                         err(1, "%s external app failed", bar_argv[0]);
1835                         break;
1836                 default: /* parent */
1837                         close(bar_pipe[1]);
1838                         break;
1839                 }
1840         }
1841
1842         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1843         for (i = 0; i < num_screens; i++)
1844                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1845                         if (r->bar == NULL)
1846                                 continue;
1847                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1848                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1849                         xcb_change_window_attributes(conn, r->bar->id,
1850                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1851                 }
1852         bar_update();
1853 }
1854
1855 void
1856 bar_setup(struct swm_region *r)
1857 {
1858         char                    *font;
1859         xcb_screen_t            *screen = get_screen(r->s->idx);
1860         uint32_t                wa[3];
1861         XRenderColor            color;
1862
1863         if (bar_font) {
1864                 XftColorFree(display, DefaultVisual(display, r->s->idx),
1865                     DefaultColormap(display, r->s->idx), &bar_font_color);
1866                 XftFontClose(display, bar_font);
1867                 bar_font = NULL;
1868         }
1869
1870         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1871                 err(1, "bar_setup: calloc: failed to allocate memory.");
1872
1873         while ((font = strsep(&bar_fonts, " ,")) != NULL) {
1874                 if (*font == '\0')
1875                         continue;
1876
1877                 DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", font);
1878                 bar_font = XftFontOpenName(display, r->s->idx, font);
1879                 if (!bar_font) {
1880                         warnx("unable to load font %s", font);
1881                         continue;
1882                 } else {
1883                         DNPRINTF(SWM_D_INIT, "successfully opened font %s\n",
1884                             font);
1885                         break;
1886                 }
1887         }
1888         if (bar_font == NULL)
1889                 errx(1, "unable to open a font");
1890
1891         bar_height = bar_font->height + 4 * bar_border_width;
1892
1893         if (bar_height < 1)
1894                 bar_height = 1;
1895
1896         color.alpha = 0xffff;
1897         color.red = (r->s->c[SWM_S_COLOR_BAR_FONT].color >> 16) & 0xffff;
1898         color.green = (r->s->c[SWM_S_COLOR_BAR_FONT].color >> 8) & 0xffff;
1899         color.blue = r->s->c[SWM_S_COLOR_BAR_FONT].color & 0xffff;
1900         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
1901             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
1902                 warn("unable to allocate Xft color");
1903
1904         X(r->bar) = X(r);
1905         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1906         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1907         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1908
1909         r->bar->id = xcb_generate_id(conn);
1910         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1911         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1912         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1913         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1914             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1915         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1916             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1917             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1918             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1919             | XCB_CW_EVENT_MASK, wa);
1920
1921         r->bar->buffer = xcb_generate_id(conn);
1922         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1923             WIDTH(r->bar), HEIGHT(r->bar));
1924
1925         xcb_randr_select_input(conn, r->bar->id,
1926             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1927
1928         if (bar_enabled)
1929                 map_window_raised(r->bar->id);
1930
1931         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1932             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1933             HEIGHT(r->bar));
1934
1935         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1936                 err(1, "could not install bar_signal");
1937         bar_refresh();
1938 }
1939
1940 void
1941 bar_cleanup(struct swm_region *r)
1942 {
1943         if (r->bar == NULL)
1944                 return;
1945         xcb_destroy_window(conn, r->bar->id);
1946         xcb_free_pixmap(conn, r->bar->buffer);
1947         free(r->bar);
1948         r->bar = NULL;
1949 }
1950
1951 void
1952 set_win_state(struct ws_win *win, uint16_t state)
1953 {
1954         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1955
1956         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1957
1958         if (win == NULL)
1959                 return;
1960
1961         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1962             a_state, 32, 2, data);
1963 }
1964
1965 uint16_t
1966 getstate(xcb_window_t w)
1967 {
1968         uint16_t                        result = 0;
1969         xcb_get_property_cookie_t       c;
1970         xcb_get_property_reply_t        *r;
1971
1972         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1973         r = xcb_get_property_reply(conn, c, NULL);
1974
1975         if (r) {
1976                 result = *((uint16_t *)xcb_get_property_value(r));
1977                 free(r);
1978         }
1979
1980         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1981             result);
1982         return (result);
1983 }
1984
1985 void
1986 version(struct swm_region *r, union arg *args)
1987 {
1988         bar_version = !bar_version;
1989         if (bar_version)
1990                 snprintf(bar_vertext, sizeof bar_vertext,
1991                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1992         else
1993                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1994         bar_update();
1995
1996         xcb_flush(conn);
1997 }
1998
1999 void
2000 client_msg(struct ws_win *win, xcb_atom_t a)
2001 {
2002         xcb_client_message_event_t      ev;
2003
2004         if (win == NULL)
2005                 return;
2006
2007         bzero(&ev, sizeof ev);
2008         ev.response_type = XCB_CLIENT_MESSAGE;
2009         ev.window = win->id;
2010         ev.type = a_prot;
2011         ev.format = 32;
2012         ev.data.data32[0] = a;
2013         ev.data.data32[1] = XCB_CURRENT_TIME;
2014
2015         xcb_send_event(conn, False, win->id,
2016             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2017 }
2018
2019 /* synthetic response to a ConfigureRequest when not making a change */
2020 void
2021 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2022 {
2023         xcb_configure_notify_event_t ce;
2024
2025         if (win == NULL)
2026                 return;
2027
2028         /* send notification of unchanged state. */
2029         bzero(&ce, sizeof(ce));
2030         ce.response_type = XCB_CONFIGURE_NOTIFY;
2031         ce.x = X(win);
2032         ce.y = Y(win);
2033         ce.width = WIDTH(win);
2034         ce.height = HEIGHT(win);
2035         ce.override_redirect = False;
2036
2037         if (ev == NULL) {
2038                 /* EWMH */
2039                 ce.event = win->id;
2040                 ce.window = win->id;
2041                 ce.border_width = BORDER(win);
2042                 ce.above_sibling = XCB_WINDOW_NONE;
2043         } else {
2044                 /* normal */
2045                 ce.event = ev->window;
2046                 ce.window = ev->window;
2047
2048                 /* make response appear more WM_SIZE_HINTS-compliant */
2049                 if (win->sh.flags)
2050                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2051                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2052                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2053                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2054                             SH_INC_W(win), SH_INC_H(win));
2055
2056                 /* min size */
2057                 if (SH_MIN(win)) {
2058                         /* the hint may be set... to 0! */
2059                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2060                                 ce.width = SH_MIN_W(win);
2061                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2062                                 ce.height = SH_MIN_H(win);
2063                 }
2064
2065                 /* max size */
2066                 if (SH_MAX(win)) {
2067                         /* may also be advertized as 0 */
2068                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2069                                 ce.width = SH_MAX_W(win);
2070                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2071                                 ce.height = SH_MAX_H(win);
2072                 }
2073
2074                 /* resize increment. */
2075                 if (SH_INC(win)) {
2076                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2077                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2078                                     SH_INC_W(win);
2079                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2080                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2081                                     SH_INC_H(win);
2082                 }
2083
2084                 /* adjust x and y for requested border_width. */
2085                 ce.x += BORDER(win) - ev->border_width;
2086                 ce.y += BORDER(win) - ev->border_width;
2087                 ce.border_width = ev->border_width;
2088                 ce.above_sibling = ev->sibling;
2089         }
2090
2091         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2092             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2093             ce.y, ce.width, ce.height, ce.border_width);
2094
2095         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2096             (char *)&ce);
2097 }
2098
2099 int
2100 count_win(struct workspace *ws, int count_transient)
2101 {
2102         struct ws_win           *win;
2103         int                     count = 0;
2104
2105         TAILQ_FOREACH(win, &ws->winlist, entry) {
2106                 if (count_transient == 0 && win->floating)
2107                         continue;
2108                 if (count_transient == 0 && win->transient)
2109                         continue;
2110                 if (win->iconic)
2111                         continue;
2112                 count++;
2113         }
2114         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2115
2116         return (count);
2117 }
2118
2119 void
2120 quit(struct swm_region *r, union arg *args)
2121 {
2122         DNPRINTF(SWM_D_MISC, "quit\n");
2123         running = 0;
2124 }
2125
2126 void
2127 unmap_window(struct ws_win *win)
2128 {
2129         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2130
2131         if (win == NULL)
2132                 return;
2133
2134         /* don't unmap again */
2135         if (getstate(win->id) == XCB_ICCCM_WM_STATE_WITHDRAWN)
2136                 return;
2137
2138         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
2139
2140         xcb_unmap_window(conn, win->id);
2141         xcb_change_window_attributes(conn, win->id,
2142             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2143 }
2144
2145 void
2146 unmap_all(void)
2147 {
2148         struct ws_win           *win;
2149         int                     i, j, num_screens;
2150
2151         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2152         for (i = 0; i < num_screens; i++)
2153                 for (j = 0; j < workspace_limit; j++)
2154                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2155                                 unmap_window(win);
2156 }
2157
2158 void
2159 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2160 {
2161         xcb_key_press_event_t   event;
2162         xcb_keycode_t           *keycode;
2163
2164         if (win == NULL)
2165                 return;
2166
2167         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2168
2169         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2170             win->id, *keycode);
2171
2172         bzero(&event, sizeof(event));
2173         event.event = win->id;
2174         event.root = win->s->root;
2175         event.child = XCB_WINDOW_NONE;
2176         event.time = XCB_CURRENT_TIME;
2177         event.event_x = X(win);
2178         event.event_y = Y(win);
2179         event.root_x = 1;
2180         event.root_y = 1;
2181         event.same_screen = True;
2182         event.detail = *keycode;
2183         event.state = modifiers;
2184
2185         event.response_type = XCB_KEY_PRESS;
2186         xcb_send_event(conn, True, win->id,
2187             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2188
2189         event.response_type = XCB_KEY_RELEASE;
2190         xcb_send_event(conn, True, win->id,
2191             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2192 }
2193
2194 void
2195 restart(struct swm_region *r, union arg *args)
2196 {
2197         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2198
2199         /* disable alarm because the following code may not be interrupted */
2200         alarm(0);
2201         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2202                 err(1, "can't disable alarm");
2203
2204         bar_extra_stop();
2205         bar_extra = 1;
2206         unmap_all();
2207
2208         XftFontClose(display, bar_font);
2209         XftColorFree(display, DefaultVisual(display, r->s->idx),
2210             DefaultColormap(display, r->s->idx), &bar_font_color);
2211         xcb_key_symbols_free(syms);
2212         xcb_flush(conn);
2213         xcb_disconnect(conn);
2214
2215         execvp(start_argv[0], start_argv);
2216         warn("execvp failed");
2217         quit(NULL, NULL);
2218 }
2219
2220 struct swm_region *
2221 root_to_region(xcb_window_t root)
2222 {
2223         struct swm_region               *r = NULL;
2224         int                             i, num_screens;
2225         xcb_query_pointer_reply_t       *qpr;
2226
2227         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2228
2229         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2230         for (i = 0; i < num_screens; i++)
2231                 if (screens[i].root == root)
2232                         break;
2233
2234         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2235             screens[i].root), NULL);
2236
2237         if (qpr) {
2238                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2239                     qpr->root_x, qpr->root_y);
2240                 /* choose a region based on pointer location */
2241                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2242                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2243                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2244                                 break;
2245                 free(qpr);
2246         }
2247
2248         if (r == NULL)
2249                 r = TAILQ_FIRST(&screens[i].rl);
2250
2251         return (r);
2252 }
2253
2254 struct ws_win *
2255 find_unmanaged_window(xcb_window_t id)
2256 {
2257         struct ws_win           *win;
2258         int                     i, j, num_screens;
2259
2260         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2261         for (i = 0; i < num_screens; i++)
2262                 for (j = 0; j < workspace_limit; j++)
2263                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2264                             entry)
2265                                 if (id == win->id)
2266                                         return (win);
2267         return (NULL);
2268 }
2269
2270 struct ws_win *
2271 find_window(xcb_window_t id)
2272 {
2273         struct ws_win           *win;
2274         int                     i, j, num_screens;
2275         xcb_query_tree_reply_t  *r;
2276
2277         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2278         for (i = 0; i < num_screens; i++)
2279                 for (j = 0; j < workspace_limit; j++)
2280                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2281                                 if (id == win->id)
2282                                         return (win);
2283
2284         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2285         if (!r)
2286                 return (NULL);
2287
2288         /* if we were looking for the parent return that window instead */
2289         if (r->parent == 0 || r->root == r->parent)
2290                 return (NULL);
2291
2292         /* look for parent */
2293         for (i = 0; i < num_screens; i++)
2294                 for (j = 0; j < workspace_limit; j++)
2295                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2296                                 if (r->parent == win->id) {
2297                                         free(r);
2298                                         return (win);
2299                                 }
2300
2301         free(r);
2302         return (NULL);
2303 }
2304
2305 void
2306 spawn(int ws_idx, union arg *args, int close_fd)
2307 {
2308         int                     fd;
2309         char                    *ret = NULL;
2310
2311         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2312
2313         close(xcb_get_file_descriptor(conn));
2314
2315         setenv("LD_PRELOAD", SWM_LIB, 1);
2316
2317         if (asprintf(&ret, "%d", ws_idx) == -1) {
2318                 warn("spawn: asprintf SWM_WS");
2319                 _exit(1);
2320         }
2321         setenv("_SWM_WS", ret, 1);
2322         free(ret);
2323         ret = NULL;
2324
2325         if (asprintf(&ret, "%d", getpid()) == -1) {
2326                 warn("spawn: asprintf _SWM_PID");
2327                 _exit(1);
2328         }
2329         setenv("_SWM_PID", ret, 1);
2330         free(ret);
2331         ret = NULL;
2332
2333         if (setsid() == -1) {
2334                 warn("spawn: setsid");
2335                 _exit(1);
2336         }
2337
2338         if (close_fd) {
2339                 /*
2340                  * close stdin and stdout to prevent interaction between apps
2341                  * and the baraction script
2342                  * leave stderr open to record errors
2343                 */
2344                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2345                         warn("spawn: open");
2346                         _exit(1);
2347                 }
2348                 dup2(fd, STDIN_FILENO);
2349                 dup2(fd, STDOUT_FILENO);
2350                 if (fd > 2)
2351                         close(fd);
2352         }
2353
2354         execvp(args->argv[0], args->argv);
2355
2356         warn("spawn: execvp");
2357         _exit(1);
2358 }
2359
2360 void
2361 kill_refs(struct ws_win *win)
2362 {
2363         int                     i, x, num_screens;
2364         struct swm_region       *r;
2365         struct workspace        *ws;
2366
2367         if (win == NULL)
2368                 return;
2369
2370         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2371         for (i = 0; i < num_screens; i++)
2372                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2373                         for (x = 0; x < workspace_limit; x++) {
2374                                 ws = &r->s->ws[x];
2375                                 if (win == ws->focus)
2376                                         ws->focus = NULL;
2377                                 if (win == ws->focus_prev)
2378                                         ws->focus_prev = NULL;
2379                         }
2380 }
2381
2382 int
2383 validate_win(struct ws_win *testwin)
2384 {
2385         struct ws_win           *win;
2386         struct workspace        *ws;
2387         struct swm_region       *r;
2388         int                     i, x, num_screens;
2389
2390         if (testwin == NULL)
2391                 return (0);
2392
2393         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2394         for (i = 0; i < num_screens; i++)
2395                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2396                         for (x = 0; x < workspace_limit; x++) {
2397                                 ws = &r->s->ws[x];
2398                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2399                                         if (win == testwin)
2400                                                 return (0);
2401                         }
2402         return (1);
2403 }
2404
2405 int
2406 validate_ws(struct workspace *testws)
2407 {
2408         struct swm_region       *r;
2409         struct workspace        *ws;
2410         int                     i, x, num_screens;
2411
2412         /* validate all ws */
2413         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2414         for (i = 0; i < num_screens; i++)
2415                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2416                         for (x = 0; x < workspace_limit; x++) {
2417                                 ws = &r->s->ws[x];
2418                                 if (ws == testws)
2419                                         return (0);
2420                         }
2421         return (1);
2422 }
2423
2424 void
2425 unfocus_win(struct ws_win *win)
2426 {
2427         xcb_window_t            none = XCB_WINDOW_NONE;
2428
2429         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2430
2431         if (win == NULL)
2432                 return;
2433         if (win->ws == NULL)
2434                 return;
2435
2436         if (validate_ws(win->ws))
2437                 return; /* XXX this gets hit with thunderbird, needs fixing */
2438
2439         if (win->ws->r == NULL)
2440                 return;
2441
2442         if (validate_win(win)) {
2443                 kill_refs(win);
2444                 return;
2445         }
2446
2447         if (win->ws->focus == win) {
2448                 win->ws->focus = NULL;
2449                 win->ws->focus_prev = win;
2450         }
2451
2452         if (validate_win(win->ws->focus)) {
2453                 kill_refs(win->ws->focus);
2454                 win->ws->focus = NULL;
2455         }
2456         if (validate_win(win->ws->focus_prev)) {
2457                 kill_refs(win->ws->focus_prev);
2458                 win->ws->focus_prev = NULL;
2459         }
2460
2461         grabbuttons(win, 0);
2462         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2463             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2464         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2465             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2466 }
2467
2468 void
2469 unfocus_all(void)
2470 {
2471         struct ws_win           *win;
2472         int                     i, j, num_screens;
2473
2474         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2475
2476         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2477         for (i = 0; i < num_screens; i++)
2478                 for (j = 0; j < workspace_limit; j++)
2479                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2480                                 unfocus_win(win);
2481 }
2482
2483 void
2484 focus_win(struct ws_win *win)
2485 {
2486         struct ws_win           *cfw = NULL;
2487         xcb_get_input_focus_reply_t     *r;
2488         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2489
2490         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2491
2492         if (win == NULL)
2493                 return;
2494         if (win->ws == NULL)
2495                 return;
2496
2497         if (validate_ws(win->ws))
2498                 return; /* XXX this gets hit with thunderbird, needs fixing */
2499
2500         if (validate_win(win)) {
2501                 kill_refs(win);
2502                 return;
2503         }
2504
2505         if (validate_win(win)) {
2506                 kill_refs(win);
2507                 return;
2508         }
2509
2510         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2511         if (r) {
2512                 cur_focus = r->focus;
2513                 free(r);
2514         }
2515         if ((cfw = find_window(cur_focus)) != NULL)
2516                 unfocus_win(cfw);
2517         else {
2518 #if 0
2519                 /* use larger hammer since the window was killed somehow */
2520                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2521                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2522                                 xcb_change_window_attributes(conn, cfw->id,
2523                                     XCB_CW_BORDER_PIXEL,
2524                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2525 #endif
2526         }
2527
2528         win->ws->focus = win;
2529
2530         if (win->ws->r != NULL) {
2531                 if (win->java == 0)
2532                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2533                             win->id, XCB_CURRENT_TIME);
2534                 grabbuttons(win, 1);
2535                 xcb_change_window_attributes(conn, win->id,
2536                     XCB_CW_BORDER_PIXEL,
2537                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2538                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2539                     win->ws->always_raise)
2540                         map_window_raised(win->id);
2541
2542                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2543                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2544                     &win->id);
2545         }
2546
2547         bar_update();
2548 }
2549
2550 void
2551 event_drain(uint8_t rt)
2552 {
2553         xcb_generic_event_t     *evt;
2554
2555         xcb_flush(conn);
2556         while ((evt = xcb_poll_for_event(conn))) {
2557                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2558                         event_handle(evt);
2559
2560                 free(evt);
2561         }
2562 }
2563
2564 void
2565 switchws(struct swm_region *r, union arg *args)
2566 {
2567         int                     wsid = args->id, unmap_old = 0;
2568         struct swm_region       *this_r, *other_r;
2569         struct ws_win           *win;
2570         struct workspace        *new_ws, *old_ws;
2571         union arg               a;
2572
2573         if (!(r && r->s))
2574                 return;
2575
2576         if (wsid >= workspace_limit)
2577                 return;
2578
2579         this_r = r;
2580         old_ws = this_r->ws;
2581         new_ws = &this_r->s->ws[wsid];
2582
2583         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2584             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2585
2586         if (new_ws == NULL || old_ws == NULL)
2587                 return;
2588         if (new_ws == old_ws)
2589                 return;
2590
2591         other_r = new_ws->r;
2592         if (other_r == NULL) {
2593                 /* the other workspace is hidden, hide this one */
2594                 old_ws->r = NULL;
2595                 unmap_old = 1;
2596         } else {
2597                 /* the other ws is visible in another region, exchange them */
2598                 other_r->ws_prior = new_ws;
2599                 other_r->ws = old_ws;
2600                 old_ws->r = other_r;
2601         }
2602         this_r->ws_prior = old_ws;
2603         this_r->ws = new_ws;
2604         new_ws->r = this_r;
2605
2606         /* this is needed so that we can click on a window after a restart */
2607         unfocus_all();
2608
2609         stack();
2610         a.id = SWM_ARG_ID_FOCUSCUR;
2611         focus(new_ws->r, &a);
2612
2613         /* unmap old windows */
2614         if (unmap_old)
2615                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2616                         unmap_window(win);
2617
2618         if (focus_mode == SWM_FOCUS_DEFAULT)
2619                 event_drain(XCB_ENTER_NOTIFY);
2620         else
2621                 xcb_flush(conn);
2622
2623         DNPRINTF(SWM_D_WS, "switchws: done\n");
2624 }
2625
2626 void
2627 cyclews(struct swm_region *r, union arg *args)
2628 {
2629         union                   arg a;
2630         struct swm_screen       *s = r->s;
2631         int                     cycle_all = 0;
2632
2633         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2634             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2635
2636         a.id = r->ws->idx;
2637         do {
2638                 switch (args->id) {
2639                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2640                         cycle_all = 1;
2641                         /* FALLTHROUGH */
2642                 case SWM_ARG_ID_CYCLEWS_UP:
2643                         if (a.id < workspace_limit - 1)
2644                                 a.id++;
2645                         else
2646                                 a.id = 0;
2647                         break;
2648                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2649                         cycle_all = 1;
2650                         /* FALLTHROUGH */
2651                 case SWM_ARG_ID_CYCLEWS_DOWN:
2652                         if (a.id > 0)
2653                                 a.id--;
2654                         else
2655                                 a.id = workspace_limit - 1;
2656                         break;
2657                 default:
2658                         return;
2659                 };
2660
2661                 if (!cycle_all &&
2662                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2663                         continue;
2664                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2665                         continue;
2666
2667                 switchws(r, &a);
2668         } while (a.id != r->ws->idx);
2669 }
2670
2671 void
2672 priorws(struct swm_region *r, union arg *args)
2673 {
2674         union arg               a;
2675
2676         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2677             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2678
2679         if (r->ws_prior == NULL)
2680                 return;
2681
2682         a.id = r->ws_prior->idx;
2683         switchws(r, &a);
2684 }
2685
2686 void
2687 cyclescr(struct swm_region *r, union arg *args)
2688 {
2689         struct swm_region       *rr = NULL;
2690         union arg               a;
2691         int                     i, x, y, num_screens;
2692
2693         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2694         /* do nothing if we don't have more than one screen */
2695         if (!(num_screens > 1 || outputs > 1))
2696                 return;
2697
2698         i = r->s->idx;
2699         switch (args->id) {
2700         case SWM_ARG_ID_CYCLESC_UP:
2701                 rr = TAILQ_NEXT(r, entry);
2702                 if (rr == NULL)
2703                         rr = TAILQ_FIRST(&screens[i].rl);
2704                 break;
2705         case SWM_ARG_ID_CYCLESC_DOWN:
2706                 rr = TAILQ_PREV(r, swm_region_list, entry);
2707                 if (rr == NULL)
2708                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2709                 break;
2710         default:
2711                 return;
2712         };
2713         if (rr == NULL)
2714                 return;
2715
2716         /* move mouse to region */
2717         x = X(rr) + 1;
2718         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2719         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2720             x, y);
2721
2722         a.id = SWM_ARG_ID_FOCUSCUR;
2723         focus(rr, &a);
2724
2725         if (rr->ws->focus) {
2726                 /* move to focus window */
2727                 x = X(rr->ws->focus) + 1;
2728                 y = Y(rr->ws->focus) + 1;
2729                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2730                     0, x, y);
2731         }
2732 }
2733
2734 void
2735 sort_windows(struct ws_win_list *wl)
2736 {
2737         struct ws_win           *win, *parent, *nxt;
2738
2739         if (wl == NULL)
2740                 return;
2741
2742         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2743                 nxt = TAILQ_NEXT(win, entry);
2744                 if (win->transient) {
2745                         parent = find_window(win->transient);
2746                         if (parent == NULL) {
2747                                 warnx("not possible bug");
2748                                 continue;
2749                         }
2750                         TAILQ_REMOVE(wl, win, entry);
2751                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2752                 }
2753         }
2754
2755 }
2756
2757 void
2758 swapwin(struct swm_region *r, union arg *args)
2759 {
2760         struct ws_win           *target, *source;
2761         struct ws_win           *cur_focus;
2762         struct ws_win_list      *wl;
2763
2764
2765         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2766             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2767
2768         cur_focus = r->ws->focus;
2769         if (cur_focus == NULL)
2770                 return;
2771
2772         source = cur_focus;
2773         wl = &source->ws->winlist;
2774
2775         switch (args->id) {
2776         case SWM_ARG_ID_SWAPPREV:
2777                 if (source->transient)
2778                         source = find_window(source->transient);
2779                 target = TAILQ_PREV(source, ws_win_list, entry);
2780                 if (target && target->transient)
2781                         target = find_window(target->transient);
2782                 TAILQ_REMOVE(wl, source, entry);
2783                 if (target == NULL)
2784                         TAILQ_INSERT_TAIL(wl, source, entry);
2785                 else
2786                         TAILQ_INSERT_BEFORE(target, source, entry);
2787                 break;
2788         case SWM_ARG_ID_SWAPNEXT:
2789                 target = TAILQ_NEXT(source, entry);
2790                 /* move the parent and let the sort handle the move */
2791                 if (source->transient)
2792                         source = find_window(source->transient);
2793                 TAILQ_REMOVE(wl, source, entry);
2794                 if (target == NULL)
2795                         TAILQ_INSERT_HEAD(wl, source, entry);
2796                 else
2797                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2798                 break;
2799         case SWM_ARG_ID_SWAPMAIN:
2800                 target = TAILQ_FIRST(wl);
2801                 if (target == source) {
2802                         if (source->ws->focus_prev != NULL &&
2803                             source->ws->focus_prev != target)
2804                                 source = source->ws->focus_prev;
2805                         else
2806                                 return;
2807                 }
2808                 if (target == NULL || source == NULL)
2809                         return;
2810                 source->ws->focus_prev = target;
2811                 TAILQ_REMOVE(wl, target, entry);
2812                 TAILQ_INSERT_BEFORE(source, target, entry);
2813                 TAILQ_REMOVE(wl, source, entry);
2814                 TAILQ_INSERT_HEAD(wl, source, entry);
2815                 break;
2816         case SWM_ARG_ID_MOVELAST:
2817                 TAILQ_REMOVE(wl, source, entry);
2818                 TAILQ_INSERT_TAIL(wl, source, entry);
2819                 break;
2820         default:
2821                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2822                 return;
2823         }
2824
2825         sort_windows(wl);
2826
2827         stack();
2828
2829         xcb_flush(conn);
2830 }
2831
2832 void
2833 focus_prev(struct ws_win *win)
2834 {
2835         struct ws_win           *winfocus = NULL;
2836         struct ws_win           *cur_focus = NULL;
2837         struct ws_win_list      *wl = NULL;
2838         struct workspace        *ws = NULL;
2839
2840         if (!(win && win->ws))
2841                 return;
2842
2843         ws = win->ws;
2844         wl = &ws->winlist;
2845         cur_focus = ws->focus;
2846
2847         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2848             WINID(win), WINID(cur_focus));
2849
2850         /* pickle, just focus on whatever */
2851         if (cur_focus == NULL) {
2852                 /* use prev_focus if valid */
2853                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2854                     find_window(WINID(ws->focus_prev)))
2855                         winfocus = ws->focus_prev;
2856                 goto done;
2857         }
2858
2859         /* if transient focus on parent */
2860         if (cur_focus->transient) {
2861                 winfocus = find_window(cur_focus->transient);
2862                 goto done;
2863         }
2864
2865         /* if in max_stack try harder */
2866         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2867             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2868                 if (cur_focus != ws->focus_prev)
2869                         winfocus = ws->focus_prev;
2870                 else
2871                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2872                 if (winfocus)
2873                         goto done;
2874         }
2875
2876         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2877
2878         if (winfocus == NULL || winfocus == win) {
2879                 switch (focus_close) {
2880                 case SWM_STACK_BOTTOM:
2881                         winfocus = TAILQ_FIRST(wl);
2882                         break;
2883                 case SWM_STACK_TOP:
2884                         winfocus = TAILQ_LAST(wl, ws_win_list);
2885                         break;
2886                 case SWM_STACK_ABOVE:
2887                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2888                                 if (focus_close_wrap)
2889                                         winfocus = TAILQ_FIRST(wl);
2890                                 else
2891                                         winfocus = TAILQ_PREV(cur_focus,
2892                                             ws_win_list, entry);
2893                         }
2894                         break;
2895                 case SWM_STACK_BELOW:
2896                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2897                             entry)) == NULL) {
2898                                 if (focus_close_wrap)
2899                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2900                                 else
2901                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2902                         }
2903                         break;
2904                 }
2905         }
2906 done:
2907         if (winfocus == NULL) {
2908                 if (focus_default == SWM_STACK_TOP)
2909                         winfocus = TAILQ_LAST(wl, ws_win_list);
2910                 else
2911                         winfocus = TAILQ_FIRST(wl);
2912         }
2913
2914         kill_refs(win);
2915         focus_magic(winfocus);
2916 }
2917
2918 void
2919 focus(struct swm_region *r, union arg *args)
2920 {
2921         struct ws_win           *winfocus = NULL, *head;
2922         struct ws_win           *cur_focus = NULL;
2923         struct ws_win_list      *wl = NULL;
2924         struct workspace        *ws = NULL;
2925         int                     all_iconics;
2926
2927         if (!(r && r->ws))
2928                 return;
2929
2930         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2931
2932         /* treat FOCUS_CUR special */
2933         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2934                 if (r->ws->focus && r->ws->focus->iconic == 0)
2935                         winfocus = r->ws->focus;
2936                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2937                         winfocus = r->ws->focus_prev;
2938                 else
2939                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2940                                 if (winfocus->iconic == 0)
2941                                         break;
2942
2943                 focus_magic(winfocus);
2944                 return;
2945         }
2946
2947         if ((cur_focus = r->ws->focus) == NULL)
2948                 return;
2949         ws = r->ws;
2950         wl = &ws->winlist;
2951         if (TAILQ_EMPTY(wl))
2952                 return;
2953         /* make sure there is at least one uniconified window */
2954         all_iconics = 1;
2955         TAILQ_FOREACH(winfocus, wl, entry)
2956                 if (winfocus->iconic == 0) {
2957                         all_iconics = 0;
2958                         break;
2959                 }
2960         if (all_iconics)
2961                 return;
2962
2963         switch (args->id) {
2964         case SWM_ARG_ID_FOCUSPREV:
2965                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2966                 if (head == NULL)
2967                         head = TAILQ_LAST(wl, ws_win_list);
2968                 winfocus = head;
2969                 if (WINID(winfocus) == cur_focus->transient) {
2970                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2971                         if (head == NULL)
2972                                 head = TAILQ_LAST(wl, ws_win_list);
2973                         winfocus = head;
2974                 }
2975
2976                 /* skip iconics */
2977                 if (winfocus && winfocus->iconic) {
2978                         while (winfocus != cur_focus) {
2979                                 if (winfocus == NULL)
2980                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2981                                 if (winfocus->iconic == 0)
2982                                         break;
2983                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2984                                     entry);
2985                         }
2986                 }
2987                 break;
2988
2989         case SWM_ARG_ID_FOCUSNEXT:
2990                 head = TAILQ_NEXT(cur_focus, entry);
2991                 if (head == NULL)
2992                         head = TAILQ_FIRST(wl);
2993                 winfocus = head;
2994
2995                 /* skip iconics */
2996                 if (winfocus && winfocus->iconic) {
2997                         while (winfocus != cur_focus) {
2998                                 if (winfocus == NULL)
2999                                         winfocus = TAILQ_FIRST(wl);
3000                                 if (winfocus->iconic == 0)
3001                                         break;
3002                                 winfocus = TAILQ_NEXT(winfocus, entry);
3003                         }
3004                 }
3005                 break;
3006
3007         case SWM_ARG_ID_FOCUSMAIN:
3008                 winfocus = TAILQ_FIRST(wl);
3009                 if (winfocus == cur_focus)
3010                         winfocus = cur_focus->ws->focus_prev;
3011                 break;
3012
3013         default:
3014                 return;
3015         }
3016
3017         focus_magic(winfocus);
3018
3019         xcb_flush(conn);
3020 }
3021
3022 void
3023 cycle_layout(struct swm_region *r, union arg *args)
3024 {
3025         struct workspace        *ws = r->ws;
3026         union arg               a;
3027
3028         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3029
3030         ws->cur_layout++;
3031         if (ws->cur_layout->l_stack == NULL)
3032                 ws->cur_layout = &layouts[0];
3033
3034         stack();
3035         bar_update();
3036
3037         if (focus_mode == SWM_FOCUS_DEFAULT)
3038                 event_drain(XCB_ENTER_NOTIFY);
3039
3040         a.id = SWM_ARG_ID_FOCUSCUR;
3041         focus(r, &a);
3042 }
3043
3044 void
3045 stack_config(struct swm_region *r, union arg *args)
3046 {
3047         struct workspace        *ws = r->ws;
3048
3049         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3050             args->id, ws->idx);
3051
3052         if (ws->cur_layout->l_config != NULL)
3053                 ws->cur_layout->l_config(ws, args->id);
3054
3055         if (args->id != SWM_ARG_ID_STACKINIT)
3056                 stack();
3057         bar_update();
3058 }
3059
3060 void
3061 stack(void) {
3062         struct swm_geometry     g;
3063         struct swm_region       *r;
3064         int                     i, num_screens;
3065 #ifdef SWM_DEBUG
3066         int j;
3067 #endif
3068
3069         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3070
3071         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3072         for (i = 0; i < num_screens; i++) {
3073 #ifdef SWM_DEBUG
3074                 j = 0;
3075 #endif
3076                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3077                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3078                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3079
3080                         /* start with screen geometry, adjust for bar */
3081                         g = r->g;
3082                         g.w -= 2 * border_width;
3083                         g.h -= 2 * border_width;
3084                         if (bar_enabled) {
3085                                 if (!bar_at_bottom)
3086                                         g.y += bar_height;
3087                                 g.h -= bar_height;
3088                         }
3089                         r->ws->cur_layout->l_stack(r->ws, &g);
3090                         r->ws->cur_layout->l_string(r->ws);
3091                         /* save r so we can track region changes */
3092                         r->ws->old_r = r;
3093                 }
3094         }
3095         if (font_adjusted)
3096                 font_adjusted--;
3097
3098         if (focus_mode == SWM_FOCUS_DEFAULT)
3099                 event_drain(XCB_ENTER_NOTIFY);
3100
3101         DNPRINTF(SWM_D_STACK, "stack: end\n");
3102 }
3103
3104 void
3105 store_float_geom(struct ws_win *win, struct swm_region *r)
3106 {
3107         /* retain window geom and region geom */
3108         win->g_float = win->g;
3109         win->g_float.x -= X(r);
3110         win->g_float.y -= Y(r);
3111         win->g_floatvalid = 1;
3112         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3113             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3114             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3115             win->g_float.w, win->g_float.h);
3116 }
3117
3118 void
3119 stack_floater(struct ws_win *win, struct swm_region *r)
3120 {
3121         if (win == NULL)
3122                 return;
3123
3124         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3125
3126         /*
3127          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3128          * geom on ws switches or return from max mode
3129          */
3130         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3131             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3132                 /* refloat at last floating relative position */
3133                 win->g = win->g_float;
3134                 X(win) += X(r);
3135                 Y(win) += Y(r);
3136         }
3137
3138         win->floatmaxed = 0;
3139
3140         /*
3141          * if set to fullscreen mode, configure window to maximum size.
3142          */
3143         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3144                 if (!win->g_floatvalid)
3145                         store_float_geom(win, win->ws->r);
3146
3147                 win->g = win->ws->r->g;
3148         }
3149
3150         /*
3151          * remove border on fullscreen floater when in fullscreen mode or when
3152          * the quirk is present.
3153          */
3154         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3155             ((win->quirks & SWM_Q_FULLSCREEN) &&
3156              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3157                 if (win->bordered) {
3158                         win->bordered = 0;
3159                         X(win) += border_width;
3160                         Y(win) += border_width;
3161                 }
3162         } else if (!win->bordered) {
3163                 win->bordered = 1;
3164                 X(win) -= border_width;
3165                 Y(win) -= border_width;
3166         }
3167
3168         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3169                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3170                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3171         }
3172
3173         if (!win->manual) {
3174                 /*
3175                  * floaters and transients are auto-centred unless moved
3176                  * or resized
3177                  */
3178                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3179                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3180         }
3181
3182         /* keep window within region bounds */
3183         constrain_window(win, r, 0);
3184
3185         update_window(win);
3186 }
3187
3188 /*
3189  * Send keystrokes to terminal to decrease/increase the font size as the
3190  * window size changes.
3191  */
3192 void
3193 adjust_font(struct ws_win *win)
3194 {
3195         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3196             win->floating || win->transient)
3197                 return;
3198
3199         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3200             WIDTH(win) / win->sh.width_inc < term_width &&
3201             win->font_steps < SWM_MAX_FONT_STEPS) {
3202                 win->font_size_boundary[win->font_steps] =
3203                     (win->sh.width_inc * term_width) + win->sh.base_width;
3204                 win->font_steps++;
3205                 font_adjusted++;
3206                 win->last_inc = win->sh.width_inc;
3207                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3208         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3209             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3210                 win->font_steps--;
3211                 font_adjusted++;
3212                 win->last_inc = win->sh.width_inc;
3213                 fake_keypress(win, XK_KP_Add, ShiftMask);
3214         }
3215 }
3216
3217 #define SWAPXY(g)       do {                            \
3218         int tmp;                                        \
3219         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3220         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3221 } while (0)
3222 void
3223 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3224 {
3225         struct swm_geometry     win_g, r_g = *g;
3226         struct ws_win           *win, *fs_win = NULL;
3227         int                     i, j, s, stacks;
3228         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3229         int                     hrh, extra = 0, h_slice, last_h = 0;
3230         int                     split, colno, winno, mwin, msize, mscale;
3231         int                     remain, missing, v_slice, reconfigure;
3232         int                     bordered = 1;
3233         xcb_get_window_attributes_reply_t *war;
3234
3235         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3236             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3237
3238         winno = count_win(ws, 0);
3239         if (winno == 0 && count_win(ws, 1) == 0)
3240                 return;
3241
3242         TAILQ_FOREACH(win, &ws->winlist, entry)
3243                 if (win->transient == 0 && win->floating == 0
3244                     && win->iconic == 0)
3245                         break;
3246
3247         if (win == NULL)
3248                 goto notiles;
3249
3250         if (rot) {
3251                 w_inc = win->sh.width_inc;
3252                 w_base = win->sh.base_width;
3253                 mwin = ws->l_state.horizontal_mwin;
3254                 mscale = ws->l_state.horizontal_msize;
3255                 stacks = ws->l_state.horizontal_stacks;
3256                 SWAPXY(&r_g);
3257         } else {
3258                 w_inc = win->sh.height_inc;
3259                 w_base = win->sh.base_height;
3260                 mwin = ws->l_state.vertical_mwin;
3261                 mscale = ws->l_state.vertical_msize;
3262                 stacks = ws->l_state.vertical_stacks;
3263         }
3264         win_g = r_g;
3265
3266         if (stacks > winno - mwin)
3267                 stacks = winno - mwin;
3268         if (stacks < 1)
3269                 stacks = 1;
3270
3271         h_slice = r_g.h / SWM_H_SLICE;
3272         if (mwin && winno > mwin) {
3273                 v_slice = r_g.w / SWM_V_SLICE;
3274
3275                 split = mwin;
3276                 colno = split;
3277                 win_g.w = v_slice * mscale;
3278
3279                 if (w_inc > 1 && w_inc < v_slice) {
3280                         /* adjust for window's requested size increment */
3281                         remain = (win_g.w - w_base) % w_inc;
3282                         win_g.w -= remain;
3283                 }
3284
3285                 msize = win_g.w;
3286                 if (flip)
3287                         win_g.x += r_g.w - msize;
3288         } else {
3289                 msize = -2;
3290                 colno = split = winno / stacks;
3291                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3292                     2 * border_width) / stacks);
3293         }
3294         hrh = r_g.h / colno;
3295         extra = r_g.h - (colno * hrh);
3296         win_g.h = hrh - 2 * border_width;
3297
3298         /*  stack all the tiled windows */
3299         i = j = 0, s = stacks;
3300         TAILQ_FOREACH(win, &ws->winlist, entry) {
3301                 if (win->transient != 0 || win->floating != 0)
3302                         continue;
3303                 if (win->iconic != 0)
3304                         continue;
3305
3306                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3307                         fs_win = win;
3308                         continue;
3309                 }
3310
3311                 if (split && i == split) {
3312                         colno = (winno - mwin) / stacks;
3313                         if (s <= (winno - mwin) % stacks)
3314                                 colno++;
3315                         split = split + colno;
3316                         hrh = (r_g.h / colno);
3317                         extra = r_g.h - (colno * hrh);
3318                         if (flip)
3319                                 win_g.x = r_g.x;
3320                         else
3321                                 win_g.x += win_g.w + 2 * border_width;
3322                         win_g.w = (r_g.w - msize -
3323                             (stacks * 2 * border_width)) / stacks;
3324                         if (s == 1)
3325                                 win_g.w += (r_g.w - msize -
3326                                     (stacks * 2 * border_width)) % stacks;
3327                         s--;
3328                         j = 0;
3329                 }
3330                 win_g.h = hrh - 2 * border_width;
3331                 if (rot) {
3332                         h_inc = win->sh.width_inc;
3333                         h_base = win->sh.base_width;
3334                 } else {
3335                         h_inc = win->sh.height_inc;
3336                         h_base = win->sh.base_height;
3337                 }
3338                 if (j == colno - 1) {
3339                         win_g.h = hrh + extra;
3340                 } else if (h_inc > 1 && h_inc < h_slice) {
3341                         /* adjust for window's requested size increment */
3342                         remain = (win_g.h - h_base) % h_inc;
3343                         missing = h_inc - remain;
3344
3345                         if (missing <= extra || j == 0) {
3346                                 extra -= missing;
3347                                 win_g.h += missing;
3348                         } else {
3349                                 win_g.h -= remain;
3350                                 extra += remain;
3351                         }
3352                 }
3353
3354                 if (j == 0)
3355                         win_g.y = r_g.y;
3356                 else
3357                         win_g.y += last_h + 2 * border_width;
3358
3359                 if (disable_border && bar_enabled == 0 && winno == 1){
3360                         bordered = 0;
3361                         win_g.w += 2 * border_width;
3362                         win_g.h += 2 * border_width;
3363                 } else {
3364                         bordered = 1;
3365                 }
3366                 if (rot) {
3367                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3368                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3369                                 reconfigure = 1;
3370                                 X(win) = win_g.y;
3371                                 Y(win) = win_g.x;
3372                                 WIDTH(win) = win_g.h;
3373                                 HEIGHT(win) = win_g.w;
3374                         }
3375                 } else {
3376                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3377                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3378                                 reconfigure = 1;
3379                                 X(win) = win_g.x;
3380                                 Y(win) = win_g.y;
3381                                 WIDTH(win) = win_g.w;
3382                                 HEIGHT(win) = win_g.h;
3383                         }
3384                 }
3385
3386                 if (bordered != win->bordered) {
3387                         reconfigure = 1;
3388                         win->bordered = bordered;
3389                 }
3390
3391                 if (reconfigure) {
3392                         adjust_font(win);
3393                         update_window(win);
3394                 }
3395
3396                 war = xcb_get_window_attributes_reply(conn,
3397                         xcb_get_window_attributes(conn, win->id),
3398                         NULL);
3399                 if (war) {
3400                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3401                                 map_window_raised(win->id);
3402                         free(war);
3403                 }
3404
3405                 last_h = win_g.h;
3406                 i++;
3407                 j++;
3408         }
3409
3410 notiles:
3411         /* now, stack all the floaters and transients */
3412         TAILQ_FOREACH(win, &ws->winlist, entry) {
3413                 if (win->transient == 0 && win->floating == 0)
3414                         continue;
3415                 if (win->iconic == 1)
3416                         continue;
3417                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3418                         fs_win = win;
3419                         continue;
3420                 }
3421
3422                 stack_floater(win, ws->r);
3423                 map_window_raised(win->id);
3424         }
3425
3426         if (fs_win) {
3427                 stack_floater(fs_win, ws->r);
3428                 map_window_raised(fs_win->id);
3429         }
3430 }
3431
3432 void
3433 vertical_config(struct workspace *ws, int id)
3434 {
3435         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3436             id, ws->idx);
3437
3438         switch (id) {
3439         case SWM_ARG_ID_STACKRESET:
3440         case SWM_ARG_ID_STACKINIT:
3441                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3442                 ws->l_state.vertical_mwin = 1;
3443                 ws->l_state.vertical_stacks = 1;
3444                 break;
3445         case SWM_ARG_ID_MASTERSHRINK:
3446                 if (ws->l_state.vertical_msize > 1)
3447                         ws->l_state.vertical_msize--;
3448                 break;
3449         case SWM_ARG_ID_MASTERGROW:
3450                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3451                         ws->l_state.vertical_msize++;
3452                 break;
3453         case SWM_ARG_ID_MASTERADD:
3454                 ws->l_state.vertical_mwin++;
3455                 break;
3456         case SWM_ARG_ID_MASTERDEL:
3457                 if (ws->l_state.vertical_mwin > 0)
3458                         ws->l_state.vertical_mwin--;
3459                 break;
3460         case SWM_ARG_ID_STACKINC:
3461                 ws->l_state.vertical_stacks++;
3462                 break;
3463         case SWM_ARG_ID_STACKDEC:
3464                 if (ws->l_state.vertical_stacks > 1)
3465                         ws->l_state.vertical_stacks--;
3466                 break;
3467         case SWM_ARG_ID_FLIPLAYOUT:
3468                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3469                 break;
3470         default:
3471                 return;
3472         }
3473 }
3474
3475 void
3476 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3477 {
3478         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3479
3480         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3481 }
3482
3483 void
3484 horizontal_config(struct workspace *ws, int id)
3485 {
3486         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3487
3488         switch (id) {
3489         case SWM_ARG_ID_STACKRESET:
3490         case SWM_ARG_ID_STACKINIT:
3491                 ws->l_state.horizontal_mwin = 1;
3492                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3493                 ws->l_state.horizontal_stacks = 1;
3494                 break;
3495         case SWM_ARG_ID_MASTERSHRINK:
3496                 if (ws->l_state.horizontal_msize > 1)
3497                         ws->l_state.horizontal_msize--;
3498                 break;
3499         case SWM_ARG_ID_MASTERGROW:
3500                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3501                         ws->l_state.horizontal_msize++;
3502                 break;
3503         case SWM_ARG_ID_MASTERADD:
3504                 ws->l_state.horizontal_mwin++;
3505                 break;
3506         case SWM_ARG_ID_MASTERDEL:
3507                 if (ws->l_state.horizontal_mwin > 0)
3508                         ws->l_state.horizontal_mwin--;
3509                 break;
3510         case SWM_ARG_ID_STACKINC:
3511                 ws->l_state.horizontal_stacks++;
3512                 break;
3513         case SWM_ARG_ID_STACKDEC:
3514                 if (ws->l_state.horizontal_stacks > 1)
3515                         ws->l_state.horizontal_stacks--;
3516                 break;
3517         case SWM_ARG_ID_FLIPLAYOUT:
3518                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3519                 break;
3520         default:
3521                 return;
3522         }
3523 }
3524
3525 void
3526 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3527 {
3528         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3529
3530         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3531 }
3532
3533 /* fullscreen view */
3534 void
3535 max_stack(struct workspace *ws, struct swm_geometry *g)
3536 {
3537         struct swm_geometry     gg = *g;
3538         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3539         int                     winno, num_screens;
3540
3541         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3542
3543         if (ws == NULL)
3544                 return;
3545
3546         winno = count_win(ws, 0);
3547         if (winno == 0 && count_win(ws, 1) == 0)
3548                 return;
3549
3550         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3551         TAILQ_FOREACH(win, &ws->winlist, entry) {
3552                 if (win->transient) {
3553                         wintrans = win;
3554                         parent = find_window(win->transient);
3555                         continue;
3556                 }
3557
3558                 if (win->floating && win->floatmaxed == 0 ) {
3559                         /*
3560                          * retain geometry for retrieval on exit from
3561                          * max_stack mode
3562                          */
3563                         store_float_geom(win, ws->r);
3564                         win->floatmaxed = 1;
3565                 }
3566
3567                 /* only reconfigure if necessary */
3568                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3569                     HEIGHT(win) != gg.h) {
3570                         win->g = gg;
3571                         if (bar_enabled){
3572                                 win->bordered = 1;
3573                         } else {
3574                                 win->bordered = 0;
3575                                 WIDTH(win) += 2 * border_width;
3576                                 HEIGHT(win) += 2 * border_width;
3577                         }
3578
3579                         update_window(win);
3580                 }
3581                 /* unmap only if we don't have multi screen */
3582                 if (win != ws->focus)
3583                         if (!(num_screens > 1 || outputs > 1))
3584                                 unmap_window(win);
3585         }
3586
3587         /* put the last transient on top */
3588         if (wintrans) {
3589                 if (parent)
3590                         map_window_raised(parent->id);
3591                 stack_floater(wintrans, ws->r);
3592                 focus_magic(wintrans);
3593         }
3594 }
3595
3596 void
3597 send_to_ws(struct swm_region *r, union arg *args)
3598 {
3599         int                     wsid = args->id;
3600         struct ws_win           *win = NULL, *parent;
3601         struct workspace        *ws, *nws;
3602         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3603         char                    ws_idx_str[SWM_PROPLEN];
3604         union arg               a;
3605
3606         if (wsid >= workspace_limit)
3607                 return;
3608
3609         if (r && r->ws && r->ws->focus)
3610                 win = r->ws->focus;
3611         else
3612                 return;
3613         if (win == NULL)
3614                 return;
3615         if (win->ws->idx == wsid)
3616                 return;
3617
3618         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3619
3620         ws = win->ws;
3621         nws = &win->s->ws[wsid];
3622
3623         a.id = SWM_ARG_ID_FOCUSPREV;
3624         focus(r, &a);
3625         if (win->transient) {
3626                 parent = find_window(win->transient);
3627                 if (parent) {
3628                         unmap_window(parent);
3629                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3630                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3631                         parent->ws = nws;
3632                 }
3633         }
3634         unmap_window(win);
3635         TAILQ_REMOVE(&ws->winlist, win, entry);
3636         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3637         if (TAILQ_EMPTY(&ws->winlist))
3638                 r->ws->focus = NULL;
3639         win->ws = nws;
3640
3641         /* Try to update the window's workspace property */
3642         ws_idx_atom = get_atom_from_string("_SWM_WS");
3643         if (ws_idx_atom &&
3644             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3645                 SWM_PROPLEN) {
3646                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3647                     ws_idx_str);
3648                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3649                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3650                     ws_idx_str);
3651         }
3652
3653         stack();
3654         bar_update();
3655
3656         xcb_flush(conn);
3657 }
3658
3659 void
3660 pressbutton(struct swm_region *r, union arg *args)
3661 {
3662         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3663             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3664         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3665             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3666 }
3667
3668 void
3669 raise_toggle(struct swm_region *r, union arg *args)
3670 {
3671         if (r == NULL || r->ws == NULL)
3672                 return;
3673
3674         r->ws->always_raise = !r->ws->always_raise;
3675
3676         /* bring floaters back to top */
3677         if (r->ws->always_raise == 0)
3678                 stack();
3679
3680         xcb_flush(conn);
3681 }
3682
3683 void
3684 iconify(struct swm_region *r, union arg *args)
3685 {
3686         union arg a;
3687
3688         if (r->ws->focus == NULL)
3689                 return;
3690         unmap_window(r->ws->focus);
3691         update_iconic(r->ws->focus, 1);
3692         stack();
3693
3694         r->ws->focus = NULL;
3695         a.id = SWM_ARG_ID_FOCUSCUR;
3696         focus(r, &a);
3697
3698         xcb_flush(conn);
3699 }
3700
3701 char *
3702 get_win_name(xcb_window_t win)
3703 {
3704         char                            *name = NULL;
3705         xcb_get_property_cookie_t       c;
3706         xcb_icccm_get_text_property_reply_t     r;
3707
3708         c = xcb_icccm_get_wm_name(conn, win);
3709         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3710                 if (r.name_len > 0) {
3711                         name = malloc(r.name_len + 1);
3712                         if (!name) {
3713                                 xcb_icccm_get_text_property_reply_wipe(&r);
3714                                 return (NULL);
3715                         }
3716                         memcpy(name, r.name, r.name_len);
3717                         name[r.name_len] = '\0';
3718                 }
3719                 xcb_icccm_get_text_property_reply_wipe(&r);
3720         }
3721
3722         return (name);
3723 }
3724
3725 void
3726 uniconify(struct swm_region *r, union arg *args)
3727 {
3728         struct ws_win           *win;
3729         FILE                    *lfile;
3730         char                    *name;
3731         int                     count = 0;
3732
3733         DNPRINTF(SWM_D_MISC, "uniconify\n");
3734
3735         if (r == NULL || r->ws == NULL)
3736                 return;
3737
3738         /* make sure we have anything to uniconify */
3739         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3740                 if (win->ws == NULL)
3741                         continue; /* should never happen */
3742                 if (win->iconic == 0)
3743                         continue;
3744                 count++;
3745         }
3746         if (count == 0)
3747                 return;
3748
3749         search_r = r;
3750         search_resp_action = SWM_SEARCH_UNICONIFY;
3751
3752         spawn_select(r, args, "search", &searchpid);
3753
3754         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3755                 return;
3756
3757         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3758                 if (win->ws == NULL)
3759                         continue; /* should never happen */
3760                 if (win->iconic == 0)
3761                         continue;
3762
3763                 name = get_win_name(win->id);
3764                 if (name == NULL)
3765                         continue;
3766                 fprintf(lfile, "%s.%u\n", name, win->id);
3767                 free(name);
3768         }
3769
3770         fclose(lfile);
3771
3772         xcb_flush(conn);
3773 }
3774
3775 void
3776 name_workspace(struct swm_region *r, union arg *args)
3777 {
3778         FILE                    *lfile;
3779
3780         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3781
3782         if (r == NULL)
3783                 return;
3784
3785         search_r = r;
3786         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3787
3788         spawn_select(r, args, "name_workspace", &searchpid);
3789
3790         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3791                 return;
3792
3793         fprintf(lfile, "%s", "");
3794         fclose(lfile);
3795 }
3796
3797 void
3798 search_workspace(struct swm_region *r, union arg *args)
3799 {
3800         int                     i;
3801         struct workspace        *ws;
3802         FILE                    *lfile;
3803
3804         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3805
3806         if (r == NULL)
3807                 return;
3808
3809         search_r = r;
3810         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3811
3812         spawn_select(r, args, "search", &searchpid);
3813
3814         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3815                 return;
3816
3817         for (i = 0; i < workspace_limit; i++) {
3818                 ws = &r->s->ws[i];
3819                 if (ws == NULL)
3820                         continue;
3821                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3822                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3823         }
3824
3825         fclose(lfile);
3826 }
3827
3828 void
3829 search_win_cleanup(void)
3830 {
3831         struct search_window    *sw = NULL;
3832
3833         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3834                 xcb_destroy_window(conn, sw->indicator);
3835                 xcb_free_gc(conn, sw->gc);
3836                 TAILQ_REMOVE(&search_wl, sw, entry);
3837                 free(sw);
3838         }
3839 }
3840
3841 void
3842 search_win(struct swm_region *r, union arg *args)
3843 {
3844         struct ws_win           *win = NULL;
3845         struct search_window    *sw = NULL;
3846         xcb_window_t            w;
3847         uint32_t                gcv[3], wa[2];
3848         int                     i;
3849         char                    s[8];
3850         FILE                    *lfile;
3851         size_t                  len;
3852         XGlyphInfo              info;
3853
3854         DNPRINTF(SWM_D_MISC, "search_win\n");
3855
3856         search_r = r;
3857         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3858
3859         spawn_select(r, args, "search", &searchpid);
3860
3861         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3862                 return;
3863
3864         TAILQ_INIT(&search_wl);
3865
3866         i = 1;
3867         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3868                 if (win->iconic == 1)
3869                         continue;
3870
3871                 sw = calloc(1, sizeof(struct search_window));
3872                 if (sw == NULL) {
3873                         warn("search_win: calloc");
3874                         fclose(lfile);
3875                         search_win_cleanup();
3876                         return;
3877                 }
3878                 sw->idx = i;
3879                 sw->win = win;
3880
3881                 snprintf(s, sizeof s, "%d", i);
3882                 len = strlen(s);
3883
3884                 XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
3885
3886                 w = xcb_generate_id(conn);
3887                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3888                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3889                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3890                     info.width + 4, bar_font->height + 4,
3891                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3892                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3893
3894                 sw->indicator = w;
3895                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3896
3897                 sw->gc = xcb_generate_id(conn);
3898                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3899                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3900                 gcv[2] = 0;
3901                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3902                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3903                 map_window_raised(w);
3904
3905                 xcb_image_text_8(conn, len, w, sw->gc, 2, bar_font->height, s);
3906
3907                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3908
3909                 fprintf(lfile, "%d\n", i);
3910                 i++;
3911         }
3912
3913         fclose(lfile);
3914
3915         xcb_flush(conn);
3916 }
3917
3918 void
3919 search_resp_uniconify(char *resp, unsigned long len)
3920 {
3921         char                    *name;
3922         struct ws_win           *win;
3923         char                    *s;
3924
3925         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3926
3927         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3928                 if (win->iconic == 0)
3929                         continue;
3930                 name = get_win_name(win->id);
3931                 if (name == NULL)
3932                         continue;
3933                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3934                         free(name);
3935                         continue;
3936                 }
3937                 free(name);
3938                 if (strncmp(s, resp, len) == 0) {
3939                         /* XXX this should be a callback to generalize */
3940                         update_iconic(win, 0);
3941                         free(s);
3942                         break;
3943                 }
3944                 free(s);
3945         }
3946 }
3947
3948 void
3949 search_resp_name_workspace(char *resp, unsigned long len)
3950 {
3951         struct workspace        *ws;
3952
3953         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3954
3955         if (search_r->ws == NULL)
3956                 return;
3957         ws = search_r->ws;
3958
3959         if (ws->name) {
3960                 free(search_r->ws->name);
3961                 search_r->ws->name = NULL;
3962         }
3963
3964         if (len > 1) {
3965                 ws->name = strdup(resp);
3966                 if (ws->name == NULL) {
3967                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3968                             "strdup: %s", strerror(errno));
3969                         return;
3970                 }
3971         }
3972 }
3973
3974 void
3975 search_resp_search_workspace(char *resp, unsigned long len)
3976 {
3977         char                    *p, *q;
3978         int                     ws_idx;
3979         const char              *errstr;
3980         union arg               a;
3981
3982         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3983
3984         q = strdup(resp);
3985         if (!q) {
3986                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3987                     strerror(errno));
3988                 return;
3989         }
3990         p = strchr(q, ':');
3991         if (p != NULL)
3992                 *p = '\0';
3993         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
3994         if (errstr) {
3995                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3996                     errstr, q);
3997                 free(q);
3998                 return;
3999         }
4000         free(q);
4001         a.id = ws_idx - 1;
4002         switchws(search_r, &a);
4003 }
4004
4005 void
4006 search_resp_search_window(char *resp, unsigned long len)
4007 {
4008         char                    *s;
4009         int                     idx;
4010         const char              *errstr;
4011         struct search_window    *sw;
4012
4013         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4014
4015         s = strdup(resp);
4016         if (!s) {
4017                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4018                     strerror(errno));
4019                 return;
4020         }
4021
4022         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4023         if (errstr) {
4024                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4025                     errstr, s);
4026                 free(s);
4027                 return;
4028         }
4029         free(s);
4030
4031         TAILQ_FOREACH(sw, &search_wl, entry)
4032                 if (idx == sw->idx) {
4033                         focus_win(sw->win);
4034                         break;
4035                 }
4036 }
4037
4038 #define MAX_RESP_LEN    1024
4039
4040 void
4041 search_do_resp(void)
4042 {
4043         ssize_t                 rbytes;
4044         char                    *resp;
4045         unsigned long           len;
4046
4047         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4048
4049         search_resp = 0;
4050         searchpid = 0;
4051
4052         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4053                 warn("search: calloc");
4054                 goto done;
4055         }
4056
4057         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4058         if (rbytes <= 0) {
4059                 warn("search: read error");
4060                 goto done;
4061         }
4062         resp[rbytes] = '\0';
4063
4064         /* XXX:
4065          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4066          * newline, so work around that by sanitizing the resp now.
4067          */
4068         resp[strcspn(resp, "\n")] = '\0';
4069         len = strlen(resp);
4070
4071         switch (search_resp_action) {
4072         case SWM_SEARCH_UNICONIFY:
4073                 search_resp_uniconify(resp, len);
4074                 break;
4075         case SWM_SEARCH_NAME_WORKSPACE:
4076                 search_resp_name_workspace(resp, len);
4077                 break;
4078         case SWM_SEARCH_SEARCH_WORKSPACE:
4079                 search_resp_search_workspace(resp, len);
4080                 break;
4081         case SWM_SEARCH_SEARCH_WINDOW:
4082                 search_resp_search_window(resp, len);
4083                 break;
4084         }
4085
4086 done:
4087         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4088                 search_win_cleanup();
4089
4090         search_resp_action = SWM_SEARCH_NONE;
4091         close(select_resp_pipe[0]);
4092         free(resp);
4093 }
4094
4095 void
4096 wkill(struct swm_region *r, union arg *args)
4097 {
4098         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4099
4100         if (r->ws->focus == NULL)
4101                 return;
4102
4103         if (args->id == SWM_ARG_ID_KILLWINDOW)
4104                 xcb_kill_client(conn, r->ws->focus->id);
4105         else
4106                 if (r->ws->focus->can_delete)
4107                         client_msg(r->ws->focus, a_delete);
4108
4109         xcb_flush(conn);
4110 }
4111
4112
4113 int
4114 floating_toggle_win(struct ws_win *win)
4115 {
4116         struct swm_region       *r;
4117
4118         if (win == NULL)
4119                 return (0);
4120
4121         if (!win->ws->r)
4122                 return (0);
4123
4124         r = win->ws->r;
4125
4126         /* reject floating toggles in max stack mode */
4127         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4128                 return (0);
4129
4130         if (win->floating) {
4131                 if (!win->floatmaxed) {
4132                         /* retain position for refloat */
4133                         store_float_geom(win, r);
4134                 }
4135                 win->floating = 0;
4136         } else {
4137                 if (win->g_floatvalid) {
4138                         /* refloat at last floating relative position */
4139                         X(win) = win->g_float.x + X(r);
4140                         Y(win) = win->g_float.y + Y(r);
4141                         WIDTH(win) = win->g_float.w;
4142                         HEIGHT(win) = win->g_float.h;
4143                 }
4144                 win->floating = 1;
4145         }
4146
4147         ewmh_update_actions(win);
4148
4149         return (1);
4150 }
4151
4152 void
4153 floating_toggle(struct swm_region *r, union arg *args)
4154 {
4155         struct ws_win           *win = r->ws->focus;
4156         union arg               a;
4157
4158         if (win == NULL)
4159                 return;
4160
4161         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4162             _NET_WM_STATE_TOGGLE);
4163
4164         stack();
4165
4166         if (win == win->ws->focus) {
4167                 a.id = SWM_ARG_ID_FOCUSCUR;
4168                 focus(win->ws->r, &a);
4169         }
4170
4171         xcb_flush(conn);
4172         event_drain(XCB_ENTER_NOTIFY);
4173 }
4174
4175 void
4176 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4177 {
4178         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4179                 if (resizable)
4180                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4181                 else
4182                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4183         }
4184
4185         if (X(win) + BORDER(win) < X(r)) {
4186                 if (resizable)
4187                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4188
4189                 X(win) = X(r) - BORDER(win);
4190         }
4191
4192         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4193                 if (resizable)
4194                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4195                 else
4196                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4197         }
4198
4199         if (Y(win) + BORDER(win) < Y(r)) {
4200                 if (resizable)
4201                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4202
4203                 Y(win) = Y(r) - BORDER(win);
4204         }
4205
4206         if (resizable) {
4207                 if (WIDTH(win) < 1)
4208                         WIDTH(win) = 1;
4209                 if (HEIGHT(win) < 1)
4210                         HEIGHT(win) = 1;
4211         }
4212 }
4213
4214 void
4215 update_window(struct ws_win *win)
4216 {
4217         uint16_t        mask;
4218         uint32_t        wc[5];
4219
4220         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4221             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4222             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4223         wc[0] = X(win);
4224         wc[1] = Y(win);
4225         wc[2] = WIDTH(win);
4226         wc[3] = HEIGHT(win);
4227         wc[4] = BORDER(win);
4228
4229         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4230             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4231             wc[3], YESNO(win->bordered));
4232
4233         xcb_configure_window(conn, win->id, mask, wc);
4234 }
4235
4236 #define SWM_RESIZE_STEPS        (50)
4237
4238 void
4239 resize(struct ws_win *win, union arg *args)
4240 {
4241         xcb_timestamp_t         timestamp = 0;
4242         struct swm_region       *r = NULL;
4243         int                     resize_step = 0;
4244         struct swm_geometry     g;
4245         int                     top = 0, left = 0, resizing;
4246         int                     dx, dy;
4247         unsigned int            shape; /* cursor style */
4248         xcb_cursor_t            cursor;
4249         xcb_font_t              cursor_font;
4250         xcb_grab_pointer_cookie_t       gpc;
4251         xcb_grab_pointer_reply_t        *gpr;
4252         xcb_query_pointer_reply_t       *xpr;
4253         xcb_generic_event_t             *evt;
4254         xcb_motion_notify_event_t       *mne;
4255
4256         if (win == NULL)
4257                 return;
4258         r = win->ws->r;
4259
4260         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4261                 return;
4262
4263         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4264             "transient: 0x%x\n", win->id, YESNO(win->floating),
4265             win->transient);
4266
4267         if (!(win->transient != 0 || win->floating != 0))
4268                 return;
4269
4270         /* reject resizes in max mode for floaters (transient ok) */
4271         if (win->floatmaxed)
4272                 return;
4273
4274         win->manual = 1;
4275         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4276             _NET_WM_STATE_ADD);
4277
4278         stack();
4279
4280         switch (args->id) {
4281         case SWM_ARG_ID_WIDTHSHRINK:
4282                 WIDTH(win) -= SWM_RESIZE_STEPS;
4283                 resize_step = 1;
4284                 break;
4285         case SWM_ARG_ID_WIDTHGROW:
4286                 WIDTH(win) += SWM_RESIZE_STEPS;
4287                 resize_step = 1;
4288                 break;
4289         case SWM_ARG_ID_HEIGHTSHRINK:
4290                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4291                 resize_step = 1;
4292                 break;
4293         case SWM_ARG_ID_HEIGHTGROW:
4294                 HEIGHT(win) += SWM_RESIZE_STEPS;
4295                 resize_step = 1;
4296                 break;
4297         default:
4298                 break;
4299         }
4300         if (resize_step) {
4301                 constrain_window(win, r, 1);
4302                 update_window(win);
4303                 store_float_geom(win,r);
4304                 return;
4305         }
4306
4307         /* get cursor offset from window root */
4308         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4309             NULL);
4310         if (!xpr)
4311                 return;
4312
4313         g = win->g;
4314
4315         if (xpr->win_x < WIDTH(win) / 2)
4316                 left = 1;
4317
4318         if (xpr->win_y < HEIGHT(win) / 2)
4319                 top = 1;
4320
4321         if (args->id == SWM_ARG_ID_CENTER)
4322                 shape = XC_sizing;
4323         else if (top)
4324                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4325         else
4326                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4327
4328         cursor_font = xcb_generate_id(conn);
4329         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4330
4331         cursor = xcb_generate_id(conn);
4332         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4333             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4334
4335         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4336             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4337             XCB_CURRENT_TIME),
4338         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4339         if (!gpr) {
4340                 xcb_free_cursor(conn, cursor);
4341                 xcb_close_font(conn, cursor_font);
4342                 free(xpr);
4343                 return;
4344         }
4345
4346         xcb_flush(conn);
4347         resizing = 1;
4348         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4349                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4350                 case XCB_BUTTON_RELEASE:
4351                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4352                         resizing = 0;
4353                         break;
4354                 case XCB_MOTION_NOTIFY:
4355                         mne = (xcb_motion_notify_event_t *)evt;
4356                         /* cursor offset/delta from start of the operation */
4357                         dx = mne->root_x - xpr->root_x;
4358                         dy = mne->root_y - xpr->root_y;
4359
4360                         /* vertical */
4361                         if (top)
4362                                 dy = -dy;
4363
4364                         if (args->id == SWM_ARG_ID_CENTER) {
4365                                 if (g.h / 2 + dy < 1)
4366                                         dy = 1 - g.h / 2;
4367
4368                                 Y(win) = g.y - dy;
4369                                 HEIGHT(win) = g.h + 2 * dy;
4370                         } else {
4371                                 if (g.h + dy < 1)
4372                                         dy = 1 - g.h;
4373
4374                                 if (top)
4375                                         Y(win) = g.y - dy;
4376
4377                                 HEIGHT(win) = g.h + dy;
4378                         }
4379
4380                         /* horizontal */
4381                         if (left)
4382                                 dx = -dx;
4383
4384                         if (args->id == SWM_ARG_ID_CENTER) {
4385                                 if (g.w / 2 + dx < 1)
4386                                         dx = 1 - g.w / 2;
4387
4388                                 X(win) = g.x - dx;
4389                                 WIDTH(win) = g.w + 2 * dx;
4390                         } else {
4391                                 if (g.w + dx < 1)
4392                                         dx = 1 - g.w;
4393
4394                                 if (left)
4395                                         X(win) = g.x - dx;
4396
4397                                 WIDTH(win) = g.w + dx;
4398                         }
4399
4400                         constrain_window(win, r, 1);
4401
4402                         /* not free, don't sync more than 120 times / second */
4403                         if ((mne->time - timestamp) > (1000 / 120) ) {
4404                                 timestamp = mne->time;
4405                                 do_sync();
4406                                 update_window(win);
4407                         }
4408                         break;
4409                 default:
4410                         event_handle(evt);
4411                         break;
4412                 }
4413                 free(evt);
4414         }
4415         if (timestamp) {
4416                 do_sync();
4417                 update_window(win);
4418         }
4419         store_float_geom(win,r);
4420
4421         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4422         xcb_free_cursor(conn, cursor);
4423         xcb_close_font(conn, cursor_font);
4424         free(gpr);
4425         free(xpr);
4426         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4427 }
4428
4429 void
4430 resize_step(struct swm_region *r, union arg *args)
4431 {
4432         struct ws_win           *win = NULL;
4433
4434         if (r && r->ws && r->ws->focus)
4435                 win = r->ws->focus;
4436         else
4437                 return;
4438
4439         resize(win, args);
4440 }
4441
4442 #define SWM_MOVE_STEPS  (50)
4443
4444 void
4445 move(struct ws_win *win, union arg *args)
4446 {
4447         xcb_timestamp_t         timestamp = 0;
4448         int                     move_step = 0, moving;
4449         struct swm_region       *r = NULL;
4450         xcb_font_t                      cursor_font;
4451         xcb_cursor_t                    cursor;
4452         xcb_grab_pointer_cookie_t       gpc;
4453         xcb_grab_pointer_reply_t        *gpr;
4454         xcb_query_pointer_reply_t       *qpr;
4455         xcb_generic_event_t             *evt;
4456         xcb_motion_notify_event_t       *mne;
4457
4458         if (win == NULL)
4459                 return;
4460         r = win->ws->r;
4461
4462         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4463                 return;
4464
4465         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4466             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4467
4468         /* in max_stack mode should only move transients */
4469         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4470                 return;
4471
4472         win->manual = 1;
4473         if (win->floating == 0 && !win->transient) {
4474                 store_float_geom(win, r);
4475                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4476                     _NET_WM_STATE_ADD);
4477         }
4478         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4479             _NET_WM_STATE_ADD);
4480
4481         stack();
4482
4483         move_step = 0;
4484         switch (args->id) {
4485         case SWM_ARG_ID_MOVELEFT:
4486                 X(win) -= (SWM_MOVE_STEPS - border_width);
4487                 move_step = 1;
4488                 break;
4489         case SWM_ARG_ID_MOVERIGHT:
4490                 X(win) += (SWM_MOVE_STEPS - border_width);
4491                 move_step = 1;
4492                 break;
4493         case SWM_ARG_ID_MOVEUP:
4494                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4495                 move_step = 1;
4496                 break;
4497         case SWM_ARG_ID_MOVEDOWN:
4498                 Y(win) += (SWM_MOVE_STEPS - border_width);
4499                 move_step = 1;
4500                 break;
4501         default:
4502                 break;
4503         }
4504         if (move_step) {
4505                 constrain_window(win, r, 0);
4506                 update_window(win);
4507                 store_float_geom(win, r);
4508                 return;
4509         }
4510
4511         cursor_font = xcb_generate_id(conn);
4512         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4513
4514         cursor = xcb_generate_id(conn);
4515         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4516                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4517
4518         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4519             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4520             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4521         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4522         if (!gpr) {
4523                 xcb_free_cursor(conn, cursor);
4524                 xcb_close_font(conn, cursor_font);
4525                 return;
4526         }
4527
4528         /* get cursor offset from window root */
4529         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4530                 NULL);
4531         if (!qpr) {
4532                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4533                 xcb_free_cursor(conn, cursor);
4534                 xcb_close_font(conn, cursor_font);
4535                 return;
4536         }
4537
4538         xcb_flush(conn);
4539         moving = 1;
4540         while ((evt = xcb_wait_for_event(conn)) && moving) {
4541                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4542                 case XCB_BUTTON_RELEASE:
4543                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4544                         moving = 0;
4545                         break;
4546                 case XCB_MOTION_NOTIFY:
4547                         mne = (xcb_motion_notify_event_t *)evt;
4548                         X(win) = mne->root_x - qpr->win_x - border_width;
4549                         Y(win) = mne->root_y - qpr->win_y - border_width;
4550
4551                         constrain_window(win, r, 0);
4552
4553                         /* not free, don't sync more than 120 times / second */
4554                         if ((mne->time - timestamp) > (1000 / 120) ) {
4555                                 timestamp = mne->time;
4556                                 do_sync();
4557                                 update_window(win);
4558                         }
4559                         break;
4560                 default:
4561                         event_handle(evt);
4562                         break;
4563                 }
4564                 free(evt);
4565         }
4566         if (timestamp) {
4567                 do_sync();
4568                 update_window(win);
4569         }
4570         store_float_geom(win, r);
4571         free(qpr);
4572         xcb_free_cursor(conn, cursor);
4573         xcb_close_font(conn, cursor_font);
4574         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4575         DNPRINTF(SWM_D_EVENT, "move: done\n");
4576 }
4577
4578 void
4579 move_step(struct swm_region *r, union arg *args)
4580 {
4581         struct ws_win           *win = NULL;
4582
4583         if (r && r->ws && r->ws->focus)
4584                 win = r->ws->focus;
4585         else
4586                 return;
4587
4588         if (!(win->transient != 0 || win->floating != 0))
4589                 return;
4590
4591         move(win, args);
4592 }
4593
4594
4595 /* user/key callable function IDs */
4596 enum keyfuncid {
4597         KF_BAR_TOGGLE,
4598         KF_BUTTON2,
4599         KF_CYCLE_LAYOUT,
4600         KF_FLIP_LAYOUT,
4601         KF_FLOAT_TOGGLE,
4602         KF_FOCUS_MAIN,
4603         KF_FOCUS_NEXT,
4604         KF_FOCUS_PREV,
4605         KF_HEIGHT_GROW,
4606         KF_HEIGHT_SHRINK,
4607         KF_ICONIFY,
4608         KF_MASTER_SHRINK,
4609         KF_MASTER_GROW,
4610         KF_MASTER_ADD,
4611         KF_MASTER_DEL,
4612         KF_MOVE_DOWN,
4613         KF_MOVE_LEFT,
4614         KF_MOVE_RIGHT,
4615         KF_MOVE_UP,
4616         KF_MVWS_1,
4617         KF_MVWS_2,
4618         KF_MVWS_3,
4619         KF_MVWS_4,
4620         KF_MVWS_5,
4621         KF_MVWS_6,
4622         KF_MVWS_7,
4623         KF_MVWS_8,
4624         KF_MVWS_9,
4625         KF_MVWS_10,
4626         KF_MVWS_11,
4627         KF_MVWS_12,
4628         KF_MVWS_13,
4629         KF_MVWS_14,
4630         KF_MVWS_15,
4631         KF_MVWS_16,
4632         KF_MVWS_17,
4633         KF_MVWS_18,
4634         KF_MVWS_19,
4635         KF_MVWS_20,
4636         KF_MVWS_21,
4637         KF_MVWS_22,
4638         KF_NAME_WORKSPACE,
4639         KF_QUIT,
4640         KF_RAISE_TOGGLE,
4641         KF_RESTART,
4642         KF_SCREEN_NEXT,
4643         KF_SCREEN_PREV,
4644         KF_SEARCH_WIN,
4645         KF_SEARCH_WORKSPACE,
4646         KF_SPAWN_CUSTOM,
4647         KF_STACK_INC,
4648         KF_STACK_DEC,
4649         KF_STACK_RESET,
4650         KF_SWAP_MAIN,
4651         KF_SWAP_NEXT,
4652         KF_SWAP_PREV,
4653         KF_UNICONIFY,
4654         KF_VERSION,
4655         KF_WIDTH_GROW,
4656         KF_WIDTH_SHRINK,
4657         KF_WIND_DEL,
4658         KF_WIND_KILL,
4659         KF_WS_1,
4660         KF_WS_2,
4661         KF_WS_3,
4662         KF_WS_4,
4663         KF_WS_5,
4664         KF_WS_6,
4665         KF_WS_7,
4666         KF_WS_8,
4667         KF_WS_9,
4668         KF_WS_10,
4669         KF_WS_11,
4670         KF_WS_12,
4671         KF_WS_13,
4672         KF_WS_14,
4673         KF_WS_15,
4674         KF_WS_16,
4675         KF_WS_17,
4676         KF_WS_18,
4677         KF_WS_19,
4678         KF_WS_20,
4679         KF_WS_21,
4680         KF_WS_22,
4681         KF_WS_NEXT,
4682         KF_WS_NEXT_ALL,
4683         KF_WS_PREV,
4684         KF_WS_PREV_ALL,
4685         KF_WS_PRIOR,
4686         KF_DUMPWINS, /* MUST BE LAST */
4687         KF_INVALID
4688 };
4689
4690 /* key definitions */
4691 struct keyfunc {
4692         char                    name[SWM_FUNCNAME_LEN];
4693         void                    (*func)(struct swm_region *r, union arg *);
4694         union arg               args;
4695 } keyfuncs[KF_INVALID + 1] = {
4696         /* name                 function        argument */
4697         { "bar_toggle",         bar_toggle,     {0} },
4698         { "button2",            pressbutton,    {2} },
4699         { "cycle_layout",       cycle_layout,   {0} },
4700         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4701         { "float_toggle",       floating_toggle,{0} },
4702         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4703         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4704         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4705         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4706         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4707         { "iconify",            iconify,        {0} },
4708         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4709         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4710         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4711         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4712         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4713         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4714         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4715         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4716         { "mvws_1",             send_to_ws,     {.id = 0} },
4717         { "mvws_2",             send_to_ws,     {.id = 1} },
4718         { "mvws_3",             send_to_ws,     {.id = 2} },
4719         { "mvws_4",             send_to_ws,     {.id = 3} },
4720         { "mvws_5",             send_to_ws,     {.id = 4} },
4721         { "mvws_6",             send_to_ws,     {.id = 5} },
4722         { "mvws_7",             send_to_ws,     {.id = 6} },
4723         { "mvws_8",             send_to_ws,     {.id = 7} },
4724         { "mvws_9",             send_to_ws,     {.id = 8} },
4725         { "mvws_10",            send_to_ws,     {.id = 9} },
4726         { "mvws_11",            send_to_ws,     {.id = 10} },
4727         { "mvws_12",            send_to_ws,     {.id = 11} },
4728         { "mvws_13",            send_to_ws,     {.id = 12} },
4729         { "mvws_14",            send_to_ws,     {.id = 13} },
4730         { "mvws_15",            send_to_ws,     {.id = 14} },
4731         { "mvws_16",            send_to_ws,     {.id = 15} },
4732         { "mvws_17",            send_to_ws,     {.id = 16} },
4733         { "mvws_18",            send_to_ws,     {.id = 17} },
4734         { "mvws_19",            send_to_ws,     {.id = 18} },
4735         { "mvws_20",            send_to_ws,     {.id = 19} },
4736         { "mvws_21",            send_to_ws,     {.id = 20} },
4737         { "mvws_22",            send_to_ws,     {.id = 21} },
4738         { "name_workspace",     name_workspace, {0} },
4739         { "quit",               quit,           {0} },
4740         { "raise_toggle",       raise_toggle,   {0} },
4741         { "restart",            restart,        {0} },
4742         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4743         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4744         { "search_win",         search_win,     {0} },
4745         { "search_workspace",   search_workspace,       {0} },
4746         { "spawn_custom",       NULL,           {0} },
4747         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4748         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4749         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4750         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4751         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4752         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4753         { "uniconify",          uniconify,      {0} },
4754         { "version",            version,        {0} },
4755         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4756         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4757         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4758         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4759         { "ws_1",               switchws,       {.id = 0} },
4760         { "ws_2",               switchws,       {.id = 1} },
4761         { "ws_3",               switchws,       {.id = 2} },
4762         { "ws_4",               switchws,       {.id = 3} },
4763         { "ws_5",               switchws,       {.id = 4} },
4764         { "ws_6",               switchws,       {.id = 5} },
4765         { "ws_7",               switchws,       {.id = 6} },
4766         { "ws_8",               switchws,       {.id = 7} },
4767         { "ws_9",               switchws,       {.id = 8} },
4768         { "ws_10",              switchws,       {.id = 9} },
4769         { "ws_11",              switchws,       {.id = 10} },
4770         { "ws_12",              switchws,       {.id = 11} },
4771         { "ws_13",              switchws,       {.id = 12} },
4772         { "ws_14",              switchws,       {.id = 13} },
4773         { "ws_15",              switchws,       {.id = 14} },
4774         { "ws_16",              switchws,       {.id = 15} },
4775         { "ws_17",              switchws,       {.id = 16} },
4776         { "ws_18",              switchws,       {.id = 17} },
4777         { "ws_19",              switchws,       {.id = 18} },
4778         { "ws_20",              switchws,       {.id = 19} },
4779         { "ws_21",              switchws,       {.id = 20} },
4780         { "ws_22",              switchws,       {.id = 21} },
4781         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4782         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4783         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4784         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4785         { "ws_prior",           priorws,        {0} },
4786         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4787         { "invalid key func",   NULL,           {0} },
4788 };
4789 struct key {
4790         RB_ENTRY(key)           entry;
4791         unsigned int            mod;
4792         KeySym                  keysym;
4793         enum keyfuncid          funcid;
4794         char                    *spawn_name;
4795 };
4796 RB_HEAD(key_tree, key);
4797
4798 int
4799 key_cmp(struct key *kp1, struct key *kp2)
4800 {
4801         if (kp1->keysym < kp2->keysym)
4802                 return (-1);
4803         if (kp1->keysym > kp2->keysym)
4804                 return (1);
4805
4806         if (kp1->mod < kp2->mod)
4807                 return (-1);
4808         if (kp1->mod > kp2->mod)
4809                 return (1);
4810
4811         return (0);
4812 }
4813
4814 RB_GENERATE(key_tree, key, entry, key_cmp);
4815 struct key_tree                 keys;
4816
4817 /* mouse */
4818 enum { client_click, root_click };
4819 struct button {
4820         unsigned int            action;
4821         unsigned int            mask;
4822         unsigned int            button;
4823         void                    (*func)(struct ws_win *, union arg *);
4824         union arg               args;
4825 } buttons[] = {
4826           /* action     key             mouse button    func    args */
4827         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4828         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4829         { client_click, MODKEY,         Button1,        move,   {0} },
4830 };
4831
4832 void
4833 update_modkey(unsigned int mod)
4834 {
4835         int                     i;
4836         struct key              *kp;
4837
4838         mod_key = mod;
4839         RB_FOREACH(kp, key_tree, &keys)
4840                 if (kp->mod & ShiftMask)
4841                         kp->mod = mod | ShiftMask;
4842                 else
4843                         kp->mod = mod;
4844
4845         for (i = 0; i < LENGTH(buttons); i++)
4846                 if (buttons[i].mask & ShiftMask)
4847                         buttons[i].mask = mod | ShiftMask;
4848                 else
4849                         buttons[i].mask = mod;
4850 }
4851
4852 /* spawn */
4853 struct spawn_prog {
4854         TAILQ_ENTRY(spawn_prog) entry;
4855         char                    *name;
4856         int                     argc;
4857         char                    **argv;
4858 };
4859 TAILQ_HEAD(spawn_list, spawn_prog);
4860 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4861
4862 int
4863 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4864     char ***ret_args)
4865 {
4866         struct spawn_prog       *prog = NULL;
4867         int                     i;
4868         char                    *ap, **real_args;
4869
4870         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4871
4872         /* find program */
4873         TAILQ_FOREACH(prog, &spawns, entry) {
4874                 if (!strcasecmp(spawn_name, prog->name))
4875                         break;
4876         }
4877         if (prog == NULL) {
4878                 warnx("spawn_custom: program %s not found", spawn_name);
4879                 return (-1);
4880         }
4881
4882         /* make room for expanded args */
4883         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4884                 err(1, "spawn_custom: calloc real_args");
4885
4886         /* expand spawn_args into real_args */
4887         for (i = 0; i < prog->argc; i++) {
4888                 ap = prog->argv[i];
4889                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4890                 if (!strcasecmp(ap, "$bar_border")) {
4891                         if ((real_args[i] =
4892                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4893                             == NULL)
4894                                 err(1,  "spawn_custom border color");
4895                 } else if (!strcasecmp(ap, "$bar_color")) {
4896                         if ((real_args[i] =
4897                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4898                             == NULL)
4899                                 err(1, "spawn_custom bar color");
4900                 } else if (!strcasecmp(ap, "$bar_font")) {
4901                         if ((real_args[i] = strdup(bar_fonts))
4902                             == NULL)
4903                                 err(1, "spawn_custom bar fonts");
4904                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4905                         if ((real_args[i] =
4906                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4907                             == NULL)
4908                                 err(1, "spawn_custom color font");
4909                 } else if (!strcasecmp(ap, "$color_focus")) {
4910                         if ((real_args[i] =
4911                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4912                             == NULL)
4913                                 err(1, "spawn_custom color focus");
4914                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4915                         if ((real_args[i] =
4916                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4917                             == NULL)
4918                                 err(1, "spawn_custom color unfocus");
4919                 } else {
4920                         /* no match --> copy as is */
4921                         if ((real_args[i] = strdup(ap)) == NULL)
4922                                 err(1, "spawn_custom strdup(ap)");
4923                 }
4924                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4925                     real_args[i]);
4926         }
4927
4928 #ifdef SWM_DEBUG
4929         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4930         for (i = 0; i < prog->argc; i++)
4931                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4932         DNPRINTF(SWM_D_SPAWN, "\n");
4933 #endif
4934         *ret_args = real_args;
4935         return (prog->argc);
4936 }
4937
4938 void
4939 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4940 {
4941         union arg               a;
4942         char                    **real_args;
4943         int                     spawn_argc, i;
4944
4945         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4946                 return;
4947         a.argv = real_args;
4948         if (fork() == 0)
4949                 spawn(r->ws->idx, &a, 1);
4950
4951         for (i = 0; i < spawn_argc; i++)
4952                 free(real_args[i]);
4953         free(real_args);
4954 }
4955
4956 void
4957 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4958 {
4959         union arg               a;
4960         char                    **real_args;
4961         int                     i, spawn_argc;
4962
4963         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4964                 return;
4965         a.argv = real_args;
4966
4967         if (pipe(select_list_pipe) == -1)
4968                 err(1, "pipe error");
4969         if (pipe(select_resp_pipe) == -1)
4970                 err(1, "pipe error");
4971
4972         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4973                 err(1, "could not disable SIGPIPE");
4974         switch (*pid = fork()) {
4975         case -1:
4976                 err(1, "cannot fork");
4977                 break;
4978         case 0: /* child */
4979                 if (dup2(select_list_pipe[0], 0) == -1)
4980                         err(1, "dup2");
4981                 if (dup2(select_resp_pipe[1], 1) == -1)
4982                         err(1, "dup2");
4983                 close(select_list_pipe[1]);
4984                 close(select_resp_pipe[0]);
4985                 spawn(r->ws->idx, &a, 0);
4986                 break;
4987         default: /* parent */
4988                 close(select_list_pipe[0]);
4989                 close(select_resp_pipe[1]);
4990                 break;
4991         }
4992
4993         for (i = 0; i < spawn_argc; i++)
4994                 free(real_args[i]);
4995         free(real_args);
4996 }
4997
4998 void
4999 spawn_insert(char *name, char *args)
5000 {
5001         char                    *arg, *cp, *ptr;
5002         struct spawn_prog       *sp;
5003
5004         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5005
5006         if ((sp = calloc(1, sizeof *sp)) == NULL)
5007                 err(1, "spawn_insert: calloc");
5008         if ((sp->name = strdup(name)) == NULL)
5009                 err(1, "spawn_insert: strdup");
5010
5011         /* convert the arguments to an argument list */
5012         if ((ptr = cp = strdup(args)) == NULL)
5013                 err(1, "spawn_insert: strdup");
5014         while ((arg = strsep(&ptr, " \t")) != NULL) {
5015                 /* empty field; skip it */
5016                 if (*arg == '\0')
5017                         continue;
5018
5019                 sp->argc++;
5020                 if ((sp->argv = realloc(sp->argv, sp->argc *
5021                     sizeof *sp->argv)) == NULL)
5022                         err(1, "spawn_insert: realloc");
5023                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5024                         err(1, "spawn_insert: strdup");
5025         }
5026         free(cp);
5027
5028         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5029         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5030 }
5031
5032 void
5033 spawn_remove(struct spawn_prog *sp)
5034 {
5035         int                     i;
5036
5037         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5038
5039         TAILQ_REMOVE(&spawns, sp, entry);
5040         for (i = 0; i < sp->argc; i++)
5041                 free(sp->argv[i]);
5042         free(sp->argv);
5043         free(sp->name);
5044         free(sp);
5045
5046         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5047 }
5048
5049 void
5050 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5051 {
5052         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5053
5054         spawn_remove(sp);
5055         spawn_insert(name, args);
5056
5057         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5058 }
5059
5060 void
5061 setspawn(char *name, char *args)
5062 {
5063         struct spawn_prog       *sp;
5064
5065         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5066
5067         if (name == NULL)
5068                 return;
5069
5070         TAILQ_FOREACH(sp, &spawns, entry) {
5071                 if (!strcmp(sp->name, name)) {
5072                         if (*args == '\0')
5073                                 spawn_remove(sp);
5074                         else
5075                                 spawn_replace(sp, name, args);
5076                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5077                         return;
5078                 }
5079         }
5080         if (*args == '\0') {
5081                 warnx("error: setspawn: cannot find program: %s", name);
5082                 return;
5083         }
5084
5085         spawn_insert(name, args);
5086         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5087 }
5088
5089 int
5090 setconfspawn(char *selector, char *value, int flags)
5091 {
5092         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5093
5094         setspawn(selector, value);
5095
5096         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5097         return (0);
5098 }
5099
5100 void
5101 setup_spawn(void)
5102 {
5103         setconfspawn("term",            "xterm",                0);
5104         setconfspawn("spawn_term",      "xterm",                0);
5105         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5106         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5107         setconfspawn("lock",            "xlock",                0);
5108         setconfspawn("initscr",         "initscreen.sh",        0);
5109         setconfspawn("menu",            "dmenu_run"
5110                                         " -fn $bar_font"
5111                                         " -nb $bar_color"
5112                                         " -nf $bar_font_color"
5113                                         " -sb $bar_border"
5114                                         " -sf $bar_color",      0);
5115         setconfspawn("search",          "dmenu"
5116                                         " -i"
5117                                         " -fn $bar_font"
5118                                         " -nb $bar_color"
5119                                         " -nf $bar_font_color"
5120                                         " -sb $bar_border"
5121                                         " -sf $bar_color",      0);
5122         setconfspawn("name_workspace",  "dmenu"
5123                                         " -p Workspace"
5124                                         " -fn $bar_font"
5125                                         " -nb $bar_color"
5126                                         " -nf $bar_font_color"
5127                                         " -sb $bar_border"
5128                                         " -sf $bar_color",      0);
5129 }
5130
5131 /* key bindings */
5132 #define SWM_MODNAME_SIZE        32
5133 #define SWM_KEY_WS              "\n+ \t"
5134 int
5135 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5136 {
5137         char                    *cp, *name;
5138         KeySym                  uks;
5139         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5140         if (mod == NULL || ks == NULL) {
5141                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5142                 return (1);
5143         }
5144         if (keystr == NULL || strlen(keystr) == 0) {
5145                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5146                 return (1);
5147         }
5148         cp = keystr;
5149         *ks = XCB_NO_SYMBOL;
5150         *mod = 0;
5151         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5152                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5153                 if (cp)
5154                         cp += (long)strspn(cp, SWM_KEY_WS);
5155                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5156                         *mod |= currmod;
5157                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5158                         *mod |= Mod1Mask;
5159                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5160                         *mod += Mod2Mask;
5161                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5162                         *mod |= Mod3Mask;
5163                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5164                         *mod |= Mod4Mask;
5165                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5166                         *mod |= ShiftMask;
5167                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5168                         *mod |= ControlMask;
5169                 else {
5170                         *ks = XStringToKeysym(name);
5171                         XConvertCase(*ks, ks, &uks);
5172                         if (ks == XCB_NO_SYMBOL) {
5173                                 DNPRINTF(SWM_D_KEY,
5174                                     "parsekeys: invalid key %s\n",
5175                                     name);
5176                                 return (1);
5177                         }
5178                 }
5179         }
5180         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5181         return (0);
5182 }
5183
5184 char *
5185 strdupsafe(char *str)
5186 {
5187         if (str == NULL)
5188                 return (NULL);
5189         else
5190                 return (strdup(str));
5191 }
5192
5193 void
5194 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5195 {
5196         struct key              *kp;
5197
5198         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5199             keyfuncs[kfid].name, spawn_name);
5200
5201         if ((kp = malloc(sizeof *kp)) == NULL)
5202                 err(1, "key_insert: malloc");
5203
5204         kp->mod = mod;
5205         kp->keysym = ks;
5206         kp->funcid = kfid;
5207         kp->spawn_name = strdupsafe(spawn_name);
5208         RB_INSERT(key_tree, &keys, kp);
5209
5210         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5211 }
5212
5213 struct key *
5214 key_lookup(unsigned int mod, KeySym ks)
5215 {
5216         struct key              kp;
5217
5218         kp.keysym = ks;
5219         kp.mod = mod;
5220
5221         return (RB_FIND(key_tree, &keys, &kp));
5222 }
5223
5224 void
5225 key_remove(struct key *kp)
5226 {
5227         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5228
5229         RB_REMOVE(key_tree, &keys, kp);
5230         free(kp->spawn_name);
5231         free(kp);
5232
5233         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5234 }
5235
5236 void
5237 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5238     char *spawn_name)
5239 {
5240         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5241             spawn_name);
5242
5243         key_remove(kp);
5244         key_insert(mod, ks, kfid, spawn_name);
5245
5246         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5247 }
5248
5249 void
5250 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5251     char *spawn_name)
5252 {
5253         struct key              *kp;
5254
5255         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5256             keyfuncs[kfid].name, spawn_name);
5257
5258         if ((kp = key_lookup(mod, ks)) != NULL) {
5259                 if (kfid == KF_INVALID)
5260                         key_remove(kp);
5261                 else
5262                         key_replace(kp, mod, ks, kfid, spawn_name);
5263                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5264                 return;
5265         }
5266         if (kfid == KF_INVALID) {
5267                 warnx("error: setkeybinding: cannot find mod/key combination");
5268                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5269                 return;
5270         }
5271
5272         key_insert(mod, ks, kfid, spawn_name);
5273         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5274 }
5275
5276 int
5277 setconfbinding(char *selector, char *value, int flags)
5278 {
5279         enum keyfuncid          kfid;
5280         unsigned int            mod;
5281         KeySym                  ks;
5282         struct spawn_prog       *sp;
5283         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5284         if (selector == NULL) {
5285                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5286                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5287                         kfid = KF_INVALID;
5288                         setkeybinding(mod, ks, kfid, NULL);
5289                         return (0);
5290                 } else
5291                         return (1);
5292         }
5293         /* search by key function name */
5294         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5295                 if (strncasecmp(selector, keyfuncs[kfid].name,
5296                     SWM_FUNCNAME_LEN) == 0) {
5297                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5298                             selector);
5299                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5300                                 setkeybinding(mod, ks, kfid, NULL);
5301                                 return (0);
5302                         } else
5303                                 return (1);
5304                 }
5305         }
5306         /* search by custom spawn name */
5307         TAILQ_FOREACH(sp, &spawns, entry) {
5308                 if (strcasecmp(selector, sp->name) == 0) {
5309                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5310                             selector);
5311                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5312                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5313                                     sp->name);
5314                                 return (0);
5315                         } else
5316                                 return (1);
5317                 }
5318         }
5319         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5320         return (1);
5321 }
5322
5323 void
5324 setup_keys(void)
5325 {
5326         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5329         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5330         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5331         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5332         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5335         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5336         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5337         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5341         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5342         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5343         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5344         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5345         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5346         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5347         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5348         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5349         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5350         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5351         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5352         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5353         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5354         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5355         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5356         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5357         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5358         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5359         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5360         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5361         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5362         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5363         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5364         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5365         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5366         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5367         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5368         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5369         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5370         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5371         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5380         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5381         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5382         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5390         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5394         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5395         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5396         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5397         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5400         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5401         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5402         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5403         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5406         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5407         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5410         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5411         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5412         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5415         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5416         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5420         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5421         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5422 #ifdef SWM_DEBUG
5423         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5424 #endif
5425 }
5426
5427 void
5428 clear_keys(void)
5429 {
5430         struct key              *kp;
5431
5432         while (RB_EMPTY(&keys) == 0) {
5433                 kp = RB_ROOT(&keys);
5434                 key_remove(kp);
5435         }
5436 }
5437
5438 int
5439 setkeymapping(char *selector, char *value, int flags)
5440 {
5441         char                    keymapping_file[PATH_MAX];
5442         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5443         if (value[0] == '~')
5444                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5445                     pwd->pw_dir, &value[1]);
5446         else
5447                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5448         clear_keys();
5449         /* load new key bindings; if it fails, revert to default bindings */
5450         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5451                 clear_keys();
5452                 setup_keys();
5453         }
5454         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5455         return (0);
5456 }
5457
5458 void
5459 updatenumlockmask(void)
5460 {
5461         unsigned int                            i, j;
5462         xcb_get_modifier_mapping_reply_t        *modmap_r;
5463         xcb_keycode_t                           *modmap, kc;
5464
5465         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5466         numlockmask = 0;
5467
5468         modmap_r = xcb_get_modifier_mapping_reply(conn,
5469             xcb_get_modifier_mapping(conn),
5470             NULL);
5471         if (modmap_r) {
5472                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5473                 for (i = 0; i < 8; i++) {
5474                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5475                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5476                                     + j];
5477
5478                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5479                                     XK_Num_Lock)))
5480                                         numlockmask = (1 << i);
5481                         }
5482                 }
5483                 free(modmap_r);
5484         }
5485 }
5486
5487 void
5488 grabkeys(void)
5489 {
5490         int                     num_screens, k;
5491         unsigned int            j;
5492         xcb_keycode_t           *code;
5493         unsigned int            modifiers[] =
5494             { 0, LockMask, numlockmask, numlockmask | LockMask };
5495         struct key              *kp;
5496
5497         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5498         updatenumlockmask();
5499
5500         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5501         for (k = 0; k < num_screens; k++) {
5502                 if (TAILQ_EMPTY(&screens[k].rl))
5503                         continue;
5504                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5505                         XCB_MOD_MASK_ANY);
5506                 RB_FOREACH(kp, key_tree, &keys) {
5507                         if ((code = xcb_key_symbols_get_keycode(syms,
5508                                         kp->keysym)))
5509                                 for (j = 0; j < LENGTH(modifiers); j++)
5510                                         xcb_grab_key(conn, True,
5511                                             screens[k].root,
5512                                             kp->mod | modifiers[j],
5513                                             *code, XCB_GRAB_MODE_ASYNC,
5514                                             XCB_GRAB_MODE_ASYNC);
5515                 }
5516         }
5517 }
5518
5519 void
5520 grabbuttons(struct ws_win *win, int focused)
5521 {
5522         unsigned int            i, j;
5523         unsigned int            modifiers[] =
5524             { 0, LockMask, numlockmask, numlockmask|LockMask };
5525
5526         updatenumlockmask();
5527         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5528             XCB_BUTTON_MASK_ANY);
5529         if (focused) {
5530                 for (i = 0; i < LENGTH(buttons); i++)
5531                         if (buttons[i].action == client_click)
5532                                 for (j = 0; j < LENGTH(modifiers); j++)
5533                                         xcb_grab_button(conn, False, win->id,
5534                                             BUTTONMASK,
5535                                             XCB_GRAB_MODE_ASYNC,
5536                                             XCB_GRAB_MODE_SYNC,
5537                                             XCB_WINDOW_NONE,
5538                                             XCB_CURSOR_NONE,
5539                                             buttons[i].button,
5540                                             buttons[i].mask);
5541         } else
5542                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5543                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5544                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5545 }
5546
5547 const char *quirkname[] = {
5548         "NONE",         /* config string for "no value" */
5549         "FLOAT",
5550         "TRANSSZ",
5551         "ANYWHERE",
5552         "XTERM_FONTADJ",
5553         "FULLSCREEN",
5554         "FOCUSPREV",
5555 };
5556
5557 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5558 #define SWM_Q_WS                "\n|+ \t"
5559 int
5560 parsequirks(char *qstr, unsigned long *quirk)
5561 {
5562         char                    *cp, *name;
5563         int                     i;
5564
5565         if (quirk == NULL)
5566                 return (1);
5567
5568         cp = qstr;
5569         *quirk = 0;
5570         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5571                 if (cp)
5572                         cp += (long)strspn(cp, SWM_Q_WS);
5573                 for (i = 0; i < LENGTH(quirkname); i++) {
5574                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5575                                 DNPRINTF(SWM_D_QUIRK,
5576                                     "parsequirks: %s\n", name);
5577                                 if (i == 0) {
5578                                         *quirk = 0;
5579                                         return (0);
5580                                 }
5581                                 *quirk |= 1 << (i-1);
5582                                 break;
5583                         }
5584                 }
5585                 if (i >= LENGTH(quirkname)) {
5586                         DNPRINTF(SWM_D_QUIRK,
5587                             "parsequirks: invalid quirk [%s]\n", name);
5588                         return (1);
5589                 }
5590         }
5591         return (0);
5592 }
5593
5594 void
5595 quirk_insert(const char *class, const char *name, unsigned long quirk)
5596 {
5597         struct quirk            *qp;
5598
5599         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5600             quirk);
5601
5602         if ((qp = malloc(sizeof *qp)) == NULL)
5603                 err(1, "quirk_insert: malloc");
5604         if ((qp->class = strdup(class)) == NULL)
5605                 err(1, "quirk_insert: strdup");
5606         if ((qp->name = strdup(name)) == NULL)
5607                 err(1, "quirk_insert: strdup");
5608
5609         qp->quirk = quirk;
5610         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5611
5612         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5613 }
5614
5615 void
5616 quirk_remove(struct quirk *qp)
5617 {
5618         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5619             qp->name, qp->quirk);
5620
5621         TAILQ_REMOVE(&quirks, qp, entry);
5622         free(qp->class);
5623         free(qp->name);
5624         free(qp);
5625
5626         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5627 }
5628
5629 void
5630 quirk_replace(struct quirk *qp, const char *class, const char *name,
5631     unsigned long quirk)
5632 {
5633         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5634             qp->name, qp->quirk);
5635
5636         quirk_remove(qp);
5637         quirk_insert(class, name, quirk);
5638
5639         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5640 }
5641
5642 void
5643 setquirk(const char *class, const char *name, unsigned long quirk)
5644 {
5645         struct quirk            *qp;
5646
5647         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5648            quirk);
5649
5650         TAILQ_FOREACH(qp, &quirks, entry) {
5651                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5652                         if (!quirk)
5653                                 quirk_remove(qp);
5654                         else
5655                                 quirk_replace(qp, class, name, quirk);
5656                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5657                         return;
5658                 }
5659         }
5660         if (!quirk) {
5661                 warnx("error: setquirk: cannot find class/name combination");
5662                 return;
5663         }
5664
5665         quirk_insert(class, name, quirk);
5666         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5667 }
5668
5669 int
5670 setconfquirk(char *selector, char *value, int flags)
5671 {
5672         char                    *cp, *class, *name;
5673         int                     retval;
5674         unsigned long           quirks;
5675         if (selector == NULL)
5676                 return (0);
5677         if ((cp = strchr(selector, ':')) == NULL)
5678                 return (0);
5679         *cp = '\0';
5680         class = selector;
5681         name = cp + 1;
5682         if ((retval = parsequirks(value, &quirks)) == 0)
5683                 setquirk(class, name, quirks);
5684         return (retval);
5685 }
5686
5687 void
5688 setup_quirks(void)
5689 {
5690         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5691         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5692         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5693         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5694         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5695         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5696         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5697         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5698         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5699         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5700         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5701         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5702         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5703 }
5704
5705 /* conf file stuff */
5706 #define SWM_CONF_FILE           "spectrwm.conf"
5707 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5708
5709 enum {
5710         SWM_S_BAR_ACTION,
5711         SWM_S_BAR_AT_BOTTOM,
5712         SWM_S_BAR_BORDER_WIDTH,
5713         SWM_S_BAR_DELAY,
5714         SWM_S_BAR_ENABLED,
5715         SWM_S_BAR_FONT,
5716         SWM_S_BAR_FORMAT,
5717         SWM_S_BAR_JUSTIFY,
5718         SWM_S_BORDER_WIDTH,
5719         SWM_S_CLOCK_ENABLED,
5720         SWM_S_CLOCK_FORMAT,
5721         SWM_S_CYCLE_EMPTY,
5722         SWM_S_CYCLE_VISIBLE,
5723         SWM_S_DIALOG_RATIO,
5724         SWM_S_DISABLE_BORDER,
5725         SWM_S_FOCUS_CLOSE,
5726         SWM_S_FOCUS_CLOSE_WRAP,
5727         SWM_S_FOCUS_DEFAULT,
5728         SWM_S_FOCUS_MODE,
5729         SWM_S_SPAWN_ORDER,
5730         SWM_S_SPAWN_TERM,
5731         SWM_S_SS_APP,
5732         SWM_S_SS_ENABLED,
5733         SWM_S_STACK_ENABLED,
5734         SWM_S_TERM_WIDTH,
5735         SWM_S_TITLE_CLASS_ENABLED,
5736         SWM_S_TITLE_NAME_ENABLED,
5737         SWM_S_URGENT_ENABLED,
5738         SWM_S_VERBOSE_LAYOUT,
5739         SWM_S_WINDOW_NAME_ENABLED,
5740         SWM_S_WORKSPACE_LIMIT
5741 };
5742
5743 int
5744 setconfvalue(char *selector, char *value, int flags)
5745 {
5746         int     i;
5747         char    *b;
5748
5749         switch (flags) {
5750         case SWM_S_BAR_ACTION:
5751                 free(bar_argv[0]);
5752                 if ((bar_argv[0] = strdup(value)) == NULL)
5753                         err(1, "setconfvalue: bar_action");
5754                 break;
5755         case SWM_S_BAR_AT_BOTTOM:
5756                 bar_at_bottom = atoi(value);
5757                 break;
5758         case SWM_S_BAR_BORDER_WIDTH:
5759                 bar_border_width = atoi(value);
5760                 if (bar_border_width < 0)
5761                         bar_border_width = 0;
5762                 break;
5763         case SWM_S_BAR_DELAY:
5764                 bar_delay = atoi(value);
5765                 break;
5766         case SWM_S_BAR_ENABLED:
5767                 bar_enabled = atoi(value);
5768                 break;
5769         case SWM_S_BAR_FONT:
5770                 b = bar_fonts;
5771                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5772                         err(1, "setconfvalue: asprintf: failed to allocate "
5773                                 "memory for bar_fonts.");
5774                 free(b);
5775                 break;
5776         case SWM_S_BAR_FORMAT:
5777                 free(bar_format);
5778                 if ((bar_format = strdup(value)) == NULL)
5779                         err(1, "setconfvalue: bar_format");
5780                 break;
5781         case SWM_S_BAR_JUSTIFY:
5782                 if (!strcmp(value, "left"))
5783                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5784                 else if (!strcmp(value, "center"))
5785                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5786                 else if (!strcmp(value, "right"))
5787                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5788                 else
5789                         errx(1, "invalid bar_justify");
5790                 break;
5791         case SWM_S_BORDER_WIDTH:
5792                 border_width = atoi(value);
5793                 if (border_width < 0)
5794                         border_width = 0;
5795                 break;
5796         case SWM_S_CLOCK_ENABLED:
5797                 clock_enabled = atoi(value);
5798                 break;
5799         case SWM_S_CLOCK_FORMAT:
5800 #ifndef SWM_DENY_CLOCK_FORMAT
5801                 free(clock_format);
5802                 if ((clock_format = strdup(value)) == NULL)
5803                         err(1, "setconfvalue: clock_format");
5804 #endif
5805                 break;
5806         case SWM_S_CYCLE_EMPTY:
5807                 cycle_empty = atoi(value);
5808                 break;
5809         case SWM_S_CYCLE_VISIBLE:
5810                 cycle_visible = atoi(value);
5811                 break;
5812         case SWM_S_DIALOG_RATIO:
5813                 dialog_ratio = atof(value);
5814                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5815                         dialog_ratio = .6;
5816                 break;
5817         case SWM_S_DISABLE_BORDER:
5818                 disable_border = atoi(value);
5819                 break;
5820         case SWM_S_FOCUS_CLOSE:
5821                 if (!strcmp(value, "first"))
5822                         focus_close = SWM_STACK_BOTTOM;
5823                 else if (!strcmp(value, "last"))
5824                         focus_close = SWM_STACK_TOP;
5825                 else if (!strcmp(value, "next"))
5826                         focus_close = SWM_STACK_ABOVE;
5827                 else if (!strcmp(value, "previous"))
5828                         focus_close = SWM_STACK_BELOW;
5829                 else
5830                         errx(1, "focus_close");
5831                 break;
5832         case SWM_S_FOCUS_CLOSE_WRAP:
5833                 focus_close_wrap = atoi(value);
5834                 break;
5835         case SWM_S_FOCUS_DEFAULT:
5836                 if (!strcmp(value, "last"))
5837                         focus_default = SWM_STACK_TOP;
5838                 else if (!strcmp(value, "first"))
5839                         focus_default = SWM_STACK_BOTTOM;
5840                 else
5841                         errx(1, "focus_default");
5842                 break;
5843         case SWM_S_FOCUS_MODE:
5844                 if (!strcmp(value, "default"))
5845                         focus_mode = SWM_FOCUS_DEFAULT;
5846                 else if (!strcmp(value, "follow_cursor"))
5847                         focus_mode = SWM_FOCUS_FOLLOW;
5848                 else if (!strcmp(value, "synergy"))
5849                         focus_mode = SWM_FOCUS_SYNERGY;
5850                 else
5851                         errx(1, "focus_mode");
5852                 break;
5853         case SWM_S_SPAWN_ORDER:
5854                 if (!strcmp(value, "first"))
5855                         spawn_position = SWM_STACK_BOTTOM;
5856                 else if (!strcmp(value, "last"))
5857                         spawn_position = SWM_STACK_TOP;
5858                 else if (!strcmp(value, "next"))
5859                         spawn_position = SWM_STACK_ABOVE;
5860                 else if (!strcmp(value, "previous"))
5861                         spawn_position = SWM_STACK_BELOW;
5862                 else
5863                         errx(1, "spawn_position");
5864                 break;
5865         case SWM_S_SPAWN_TERM:
5866                 setconfspawn("term", value, 0);
5867                 setconfspawn("spawn_term", value, 0);
5868                 break;
5869         case SWM_S_SS_APP:
5870                 break;
5871         case SWM_S_SS_ENABLED:
5872                 ss_enabled = atoi(value);
5873                 break;
5874         case SWM_S_STACK_ENABLED:
5875                 stack_enabled = atoi(value);
5876                 break;
5877         case SWM_S_TERM_WIDTH:
5878                 term_width = atoi(value);
5879                 if (term_width < 0)
5880                         term_width = 0;
5881                 break;
5882         case SWM_S_TITLE_CLASS_ENABLED:
5883                 title_class_enabled = atoi(value);
5884                 break;
5885         case SWM_S_TITLE_NAME_ENABLED:
5886                 title_name_enabled = atoi(value);
5887                 break;
5888         case SWM_S_URGENT_ENABLED:
5889                 urgent_enabled = atoi(value);
5890                 break;
5891         case SWM_S_VERBOSE_LAYOUT:
5892                 verbose_layout = atoi(value);
5893                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5894                         if (verbose_layout)
5895                                 layouts[i].l_string = fancy_stacker;
5896                         else
5897                                 layouts[i].l_string = plain_stacker;
5898                 }
5899                 break;
5900         case SWM_S_WINDOW_NAME_ENABLED:
5901                 window_name_enabled = atoi(value);
5902                 break;
5903         case SWM_S_WORKSPACE_LIMIT:
5904                 workspace_limit = atoi(value);
5905                 if (workspace_limit > SWM_WS_MAX)
5906                         workspace_limit = SWM_WS_MAX;
5907                 else if (workspace_limit < 1)
5908                         workspace_limit = 1;
5909                 break;
5910         default:
5911                 return (1);
5912         }
5913         return (0);
5914 }
5915
5916 int
5917 setconfmodkey(char *selector, char *value, int flags)
5918 {
5919         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5920                 update_modkey(Mod1Mask);
5921         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5922                 update_modkey(Mod2Mask);
5923         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5924                 update_modkey(Mod3Mask);
5925         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5926                 update_modkey(Mod4Mask);
5927         else
5928                 return (1);
5929         return (0);
5930 }
5931
5932 int
5933 setconfcolor(char *selector, char *value, int flags)
5934 {
5935         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5936         return (0);
5937 }
5938
5939 int
5940 setconfregion(char *selector, char *value, int flags)
5941 {
5942         custom_region(value);
5943         return (0);
5944 }
5945
5946 int
5947 setautorun(char *selector, char *value, int flags)
5948 {
5949         int                     ws_id;
5950         char                    s[1024];
5951         char                    *ap, *sp = s;
5952         union arg               a;
5953         int                     argc = 0;
5954         pid_t                   pid;
5955         struct pid_e            *p;
5956
5957         if (getenv("SWM_STARTED"))
5958                 return (0);
5959
5960         bzero(s, sizeof s);
5961         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5962                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5963         ws_id--;
5964         if (ws_id < 0 || ws_id >= workspace_limit)
5965                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5966
5967         /*
5968          * This is a little intricate
5969          *
5970          * If the pid already exists we simply reuse it because it means it was
5971          * used before AND not claimed by manage_window.  We get away with
5972          * altering it in the parent after INSERT because this can not be a race
5973          */
5974         a.argv = NULL;
5975         while ((ap = strsep(&sp, " \t")) != NULL) {
5976                 if (*ap == '\0')
5977                         continue;
5978                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5979                 argc++;
5980                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5981                         err(1, "setautorun: realloc");
5982                 a.argv[argc - 1] = ap;
5983         }
5984
5985         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5986                 err(1, "setautorun: realloc");
5987         a.argv[argc] = NULL;
5988
5989         if ((pid = fork()) == 0) {
5990                 spawn(ws_id, &a, 1);
5991                 /* NOTREACHED */
5992                 _exit(1);
5993         }
5994         free(a.argv);
5995
5996         /* parent */
5997         p = find_pid(pid);
5998         if (p == NULL) {
5999                 p = calloc(1, sizeof *p);
6000                 if (p == NULL)
6001                         return (1);
6002                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6003         }
6004
6005         p->pid = pid;
6006         p->ws = ws_id;
6007
6008         return (0);
6009 }
6010
6011 int
6012 setlayout(char *selector, char *value, int flags)
6013 {
6014         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6015         int                     st = SWM_V_STACK, num_screens;
6016         char                    s[1024];
6017         struct workspace        *ws;
6018
6019         if (getenv("SWM_STARTED"))
6020                 return (0);
6021
6022         bzero(s, sizeof s);
6023         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6024             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6025                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6026                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6027                     "<type>'");
6028         ws_id--;
6029         if (ws_id < 0 || ws_id >= workspace_limit)
6030                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6031
6032         if (!strcasecmp(s, "vertical"))
6033                 st = SWM_V_STACK;
6034         else if (!strcasecmp(s, "vertical_flip")) {
6035                 st = SWM_V_STACK;
6036                 f = 1;
6037         } else if (!strcasecmp(s, "horizontal"))
6038                 st = SWM_H_STACK;
6039         else if (!strcasecmp(s, "horizontal_flip")) {
6040                 st = SWM_H_STACK;
6041                 f = 1;
6042         } else if (!strcasecmp(s, "fullscreen"))
6043                 st = SWM_MAX_STACK;
6044         else
6045                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6046                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6047                     "<type>'");
6048
6049         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6050         for (i = 0; i < num_screens; i++) {
6051                 ws = (struct workspace *)&screens[i].ws;
6052                 ws[ws_id].cur_layout = &layouts[st];
6053
6054                 ws[ws_id].always_raise = raise;
6055                 if (st == SWM_MAX_STACK)
6056                         continue;
6057
6058                 /* master grow */
6059                 for (x = 0; x < abs(mg); x++) {
6060                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6061                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6062                             SWM_ARG_ID_MASTERSHRINK);
6063                         stack();
6064                 }
6065                 /* master add */
6066                 for (x = 0; x < abs(ma); x++) {
6067                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6068                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6069                             SWM_ARG_ID_MASTERDEL);
6070                         stack();
6071                 }
6072                 /* stack inc */
6073                 for (x = 0; x < abs(si); x++) {
6074                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6075                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6076                             SWM_ARG_ID_STACKDEC);
6077                         stack();
6078                 }
6079                 /* Apply flip */
6080                 if (f) {
6081                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6082                             SWM_ARG_ID_FLIPLAYOUT);
6083                         stack();
6084                 }
6085         }
6086
6087         return (0);
6088 }
6089
6090 /* config options */
6091 struct config_option {
6092         char                    *optname;
6093         int                     (*func)(char*, char*, int);
6094         int                     funcflags;
6095 };
6096 struct config_option configopt[] = {
6097         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6098         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6099         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6100         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6101         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6102         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6103         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6104         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6105         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6106         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6107         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6108         { "keyboard_mapping",           setkeymapping,  0 },
6109         { "bind",                       setconfbinding, 0 },
6110         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6111         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6112         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6113         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6114         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6115         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6116         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6117         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6118         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6119         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6120         { "modkey",                     setconfmodkey,  0 },
6121         { "program",                    setconfspawn,   0 },
6122         { "quirk",                      setconfquirk,   0 },
6123         { "region",                     setconfregion,  0 },
6124         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6125         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6126         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6127         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6128         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6129         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6130         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6131         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6132         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6133         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6134         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6135         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6136         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6137         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6138         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6139         { "autorun",                    setautorun,     0 },
6140         { "layout",                     setlayout,      0 },
6141 };
6142
6143
6144 int
6145 conf_load(char *filename, int keymapping)
6146 {
6147         FILE                    *config;
6148         char                    *line, *cp, *optsub, *optval;
6149         size_t                  linelen, lineno = 0;
6150         int                     wordlen, i, optind;
6151         struct config_option    *opt;
6152
6153         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6154
6155         if (filename == NULL) {
6156                 warnx("conf_load: no filename");
6157                 return (1);
6158         }
6159         if ((config = fopen(filename, "r")) == NULL) {
6160                 warn("conf_load: fopen: %s", filename);
6161                 return (1);
6162         }
6163
6164         while (!feof(config)) {
6165                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6166                     == NULL) {
6167                         if (ferror(config))
6168                                 err(1, "%s", filename);
6169                         else
6170                                 continue;
6171                 }
6172                 cp = line;
6173                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6174                 if (cp[0] == '\0') {
6175                         /* empty line */
6176                         free(line);
6177                         continue;
6178                 }
6179                 /* get config option */
6180                 wordlen = strcspn(cp, "=[ \t\n");
6181                 if (wordlen == 0) {
6182                         warnx("%s: line %zd: no option found",
6183                             filename, lineno);
6184                         goto out;
6185                 }
6186                 optind = -1;
6187                 for (i = 0; i < LENGTH(configopt); i++) {
6188                         opt = &configopt[i];
6189                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6190                             (int)strlen(opt->optname) == wordlen) {
6191                                 optind = i;
6192                                 break;
6193                         }
6194                 }
6195                 if (optind == -1) {
6196                         warnx("%s: line %zd: unknown option %.*s",
6197                             filename, lineno, wordlen, cp);
6198                         goto out;
6199                 }
6200                 if (keymapping && strcmp(opt->optname, "bind")) {
6201                         warnx("%s: line %zd: invalid option %.*s",
6202                             filename, lineno, wordlen, cp);
6203                         goto out;
6204                 }
6205                 cp += wordlen;
6206                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6207                 /* get [selector] if any */
6208                 optsub = NULL;
6209                 if (*cp == '[') {
6210                         cp++;
6211                         wordlen = strcspn(cp, "]");
6212                         if (*cp != ']') {
6213                                 if (wordlen == 0) {
6214                                         warnx("%s: line %zd: syntax error",
6215                                             filename, lineno);
6216                                         goto out;
6217                                 }
6218
6219                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6220                                     -1) {
6221                                         warnx("%s: line %zd: unable to allocate"
6222                                             "memory for selector", filename,
6223                                             lineno);
6224                                         goto out;
6225                                 }
6226                         }
6227                         cp += wordlen;
6228                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6229                 }
6230                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6231                 /* get RHS value */
6232                 optval = strdup(cp);
6233                 /* call function to deal with it all */
6234                 if (configopt[optind].func(optsub, optval,
6235                     configopt[optind].funcflags) != 0)
6236                         errx(1, "%s: line %zd: invalid data for %s",
6237                             filename, lineno, configopt[optind].optname);
6238                 free(optval);
6239                 free(optsub);
6240                 free(line);
6241         }
6242
6243         fclose(config);
6244         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6245
6246         return (0);
6247
6248 out:
6249         free(line);
6250         fclose(config);
6251         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6252
6253         return (1);
6254 }
6255
6256 void
6257 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6258 {
6259         struct ws_win           *parent, *w;
6260         struct swm_region       *r;
6261         struct workspace        *ws;
6262         xcb_icccm_wm_hints_t    wmh;
6263
6264         parent = find_window(win->transient);
6265         if (parent)
6266                 parent->child_trans = win;
6267         else {
6268                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6269                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6270
6271                 r = root_to_region(win->wa->root);
6272                 ws = r->ws;
6273                 /* parent doen't exist in our window list */
6274                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6275                         if (xcb_icccm_get_wm_hints_reply(conn,
6276                             xcb_icccm_get_wm_hints(conn, w->id),
6277                             &wmh, NULL) != 1) {
6278                                 warnx("can't get hints for 0x%x", w->id);
6279                                 continue;
6280                         }
6281
6282                         if (win->hints.window_group != wmh.window_group)
6283                                 continue;
6284
6285                         w->child_trans = win;
6286                         win->transient = w->id;
6287                         *trans = w->id;
6288                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6289                             "transient to 0x%x\n", win->transient);
6290                         break;
6291                 }
6292         }
6293 }
6294
6295 pid_t
6296 window_get_pid(xcb_window_t win)
6297 {
6298         pid_t                           ret = 0;
6299         const char                      *errstr;
6300         xcb_atom_t                      apid;
6301         xcb_get_property_cookie_t       pc;
6302         xcb_get_property_reply_t        *pr;
6303
6304         apid = get_atom_from_string("_NET_WM_PID");
6305         if (apid == XCB_ATOM_NONE)
6306                 goto tryharder;
6307
6308         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6309         pr = xcb_get_property_reply(conn, pc, NULL);
6310         if (!pr)
6311                 goto tryharder;
6312         if (pr->type != XCB_ATOM_CARDINAL) {
6313                 free(pr);
6314                 goto tryharder;
6315         }
6316
6317         ret = *((pid_t *)xcb_get_property_value(pr));
6318         free(pr);
6319
6320         return (ret);
6321
6322 tryharder:
6323         apid = get_atom_from_string("_SWM_PID");
6324         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6325             0, SWM_PROPLEN);
6326         pr = xcb_get_property_reply(conn, pc, NULL);
6327         if (!pr)
6328                 return (0);
6329         if (pr->type != XCB_ATOM_STRING) {
6330                 free(pr);
6331                 return (0);
6332         }
6333
6334         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6335         free(pr);
6336
6337         return (ret);
6338 }
6339
6340 struct ws_win *
6341 manage_window(xcb_window_t id)
6342 {
6343         xcb_window_t            trans = XCB_WINDOW_NONE;
6344         struct workspace        *ws;
6345         struct ws_win           *win, *ww;
6346         int                     ws_idx, border_me = 0;
6347         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6348         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6349         size_t                  proplen;
6350         struct swm_region       *r;
6351         const char              *errstr;
6352         struct pid_e            *p;
6353         struct quirk            *qp;
6354         uint32_t                event_mask, i;
6355         xcb_atom_t              prot;
6356         xcb_get_property_reply_t        *gpr;
6357         xcb_icccm_get_wm_protocols_reply_t      wpr;
6358
6359         if ((win = find_window(id)) != NULL)
6360                 return (win);   /* already being managed */
6361
6362         /* see if we are on the unmanaged list */
6363         if ((win = find_unmanaged_window(id)) != NULL) {
6364                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6365                     "window: 0x%x\n", win->id);
6366                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6367                 if (win->transient)
6368                         set_child_transient(win, &trans);
6369
6370                 if (trans && (ww = find_window(trans)))
6371                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6372                 else if ((ww = win->ws->focus) &&
6373                     spawn_position == SWM_STACK_ABOVE)
6374                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6375                             win, entry);
6376                 else if (ww && spawn_position == SWM_STACK_BELOW)
6377                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6378                 else switch (spawn_position) {
6379                 default:
6380                 case SWM_STACK_TOP:
6381                 case SWM_STACK_ABOVE:
6382                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6383                         break;
6384                 case SWM_STACK_BOTTOM:
6385                 case SWM_STACK_BELOW:
6386                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6387                 }
6388
6389                 ewmh_update_actions(win);
6390                 return (win);
6391         }
6392
6393         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6394                 err(1, "manage_window: calloc: failed to allocate memory for "
6395                     "new window");
6396
6397         win->id = id;
6398         win->bordered = 0;
6399
6400         /* see if we need to override the workspace */
6401         p = find_pid(window_get_pid(id));
6402
6403         /* Get all the window data in one shot */
6404         ws_idx_atom = get_atom_from_string("_SWM_WS");
6405         if (ws_idx_atom) {
6406                 gpr = xcb_get_property_reply(conn,
6407                         xcb_get_property(conn, False, id, ws_idx_atom,
6408                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6409                         NULL);
6410                 if (gpr) {
6411                         proplen = xcb_get_property_value_length(gpr);
6412                         if (proplen > 0) {
6413                                 prop = malloc(proplen + 1);
6414                                 if (prop) {
6415                                         memcpy(prop,
6416                                             xcb_get_property_value(gpr),
6417                                             proplen);
6418                                         prop[proplen] = '\0';
6419                                 }
6420                         }
6421                         free(gpr);
6422                 }
6423         }
6424         win->wa = xcb_get_geometry_reply(conn,
6425             xcb_get_geometry(conn, id),
6426             NULL);
6427         xcb_icccm_get_wm_normal_hints_reply(conn,
6428             xcb_icccm_get_wm_normal_hints(conn, id),
6429             &win->sh, NULL);
6430         xcb_icccm_get_wm_hints_reply(conn,
6431             xcb_icccm_get_wm_hints(conn, id),
6432             &win->hints, NULL);
6433         xcb_icccm_get_wm_transient_for_reply(conn,
6434             xcb_icccm_get_wm_transient_for(conn, id),
6435             &trans, NULL);
6436         if (trans) {
6437                 win->transient = trans;
6438                 set_child_transient(win, &trans);
6439                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6440                     "transient: 0x%x\n", win->id, win->transient);
6441         }
6442
6443         prot = get_atom_from_string("WM_PROTOCOLS");
6444
6445         /* get supported protocols */
6446         if (xcb_icccm_get_wm_protocols_reply(conn,
6447             xcb_icccm_get_wm_protocols(conn, id, prot),
6448             &wpr, NULL)) {
6449                 for (i = 0; i < wpr.atoms_len; i++) {
6450                         if (wpr.atoms[i] == a_takefocus)
6451                                 win->take_focus = 1;
6452                         if (wpr.atoms[i] == a_delete)
6453                                 win->can_delete = 1;
6454                 }
6455                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6456         }
6457
6458         win->iconic = get_iconic(win);
6459
6460         /*
6461          * Figure out where to put the window. If it was previously assigned to
6462          * a workspace (either by spawn() or manually moving), and isn't
6463          * transient, * put it in the same workspace
6464          */
6465         r = root_to_region(win->wa->root);
6466         if (p) {
6467                 ws = &r->s->ws[p->ws];
6468                 TAILQ_REMOVE(&pidlist, p, entry);
6469                 free(p);
6470                 p = NULL;
6471         } else if (prop && win->transient == 0) {
6472                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6473                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1,
6474                     &errstr);
6475                 if (errstr) {
6476                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6477                             errstr, prop);
6478                 }
6479                 ws = &r->s->ws[ws_idx];
6480         } else {
6481                 ws = r->ws;
6482                 /* this should launch transients in the same ws as parent */
6483                 if (id && trans)
6484                         if ((ww = find_window(trans)) != NULL)
6485                                 if (ws->r) {
6486                                         ws = ww->ws;
6487                                         if (ww->ws->r)
6488                                                 r = ww->ws->r;
6489                                         else
6490                                                 warnx("manage_window: fix this "
6491                                                     "bug mcbride");
6492                                         border_me = 1;
6493                                 }
6494         }
6495
6496         /* set up the window layout */
6497         win->id = id;
6498         win->ws = ws;
6499         win->s = r->s;  /* this never changes */
6500         if (trans && (ww = find_window(trans)))
6501                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6502         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6503                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6504                     entry);
6505         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6506                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6507         else switch (spawn_position) {
6508         default:
6509         case SWM_STACK_TOP:
6510         case SWM_STACK_ABOVE:
6511                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6512                 break;
6513         case SWM_STACK_BOTTOM:
6514         case SWM_STACK_BELOW:
6515                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6516         }
6517
6518         /* ignore window border if there is one. */
6519         WIDTH(win) = win->wa->width;
6520         HEIGHT(win) = win->wa->height;
6521         X(win) = win->wa->x + win->wa->border_width;
6522         Y(win) = win->wa->y + win->wa->border_width;
6523         win->bordered = 0;
6524         win->g_floatvalid = 0;
6525         win->floatmaxed = 0;
6526         win->ewmh_flags = 0;
6527
6528         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6529             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6530             HEIGHT(win), ws->idx);
6531
6532         constrain_window(win, r, 0);
6533
6534         /* Set window properties so we can remember this after reincarnation */
6535         if (ws_idx_atom && prop == NULL &&
6536             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6537                 SWM_PROPLEN) {
6538                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6539                     ws_idx_str);
6540                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6541                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6542                     ws_idx_str);
6543         }
6544         if (prop)
6545                 free(prop);
6546
6547         ewmh_autoquirk(win);
6548
6549         if (xcb_icccm_get_wm_class_reply(conn,
6550             xcb_icccm_get_wm_class(conn, win->id),
6551             &win->ch, NULL)) {
6552                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6553                     win->ch.class_name, win->ch.instance_name);
6554
6555                 /* java is retarded so treat it special */
6556                 if (strstr(win->ch.instance_name, "sun-awt")) {
6557                         win->java = 1;
6558                         border_me = 1;
6559                 }
6560
6561                 TAILQ_FOREACH(qp, &quirks, entry) {
6562                         if (!strcmp(win->ch.class_name, qp->class) &&
6563                             !strcmp(win->ch.instance_name, qp->name)) {
6564                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6565                                     "class: %s, name: %s\n", win->ch.class_name,
6566                                     win->ch.instance_name);
6567                                 if (qp->quirk & SWM_Q_FLOAT) {
6568                                         win->floating = 1;
6569                                         border_me = 1;
6570                                 }
6571                                 win->quirks = qp->quirk;
6572                         }
6573                 }
6574         }
6575
6576         /* alter window position if quirky */
6577         if (win->quirks & SWM_Q_ANYWHERE) {
6578                 win->manual = 1; /* don't center the quirky windows */
6579                 if (bar_enabled && Y(win) < bar_height)
6580                         Y(win) = bar_height;
6581                 if (WIDTH(win) + X(win) > WIDTH(r))
6582                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6583                 border_me = 1;
6584         }
6585
6586         /* Reset font sizes (the bruteforce way; no default keybinding). */
6587         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6588                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6589                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6590                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6591                         fake_keypress(win, XK_KP_Add, ShiftMask);
6592         }
6593
6594         ewmh_get_win_state(win);
6595         ewmh_update_actions(win);
6596         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6597
6598         /* border me */
6599         if (border_me) {
6600                 win->bordered = 1;
6601                 X(win) -= border_width;
6602                 Y(win) -= border_width;
6603                 update_window(win);
6604         }
6605
6606         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6607             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6608
6609         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6610
6611         /* floaters need to be mapped if they are in the current workspace */
6612         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6613                 map_window_raised(win->id);
6614
6615         return (win);
6616 }
6617
6618 void
6619 free_window(struct ws_win *win)
6620 {
6621         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6622
6623         if (win == NULL)
6624                 return;
6625
6626         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6627
6628         if (win->wa)
6629                 free(win->wa);
6630
6631         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6632
6633         kill_refs(win);
6634
6635         /* paint memory */
6636         memset(win, 0xff, sizeof *win); /* XXX kill later */
6637
6638         free(win);
6639         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6640 }
6641
6642 void
6643 unmanage_window(struct ws_win *win)
6644 {
6645         struct ws_win           *parent;
6646         xcb_screen_t            *screen;
6647
6648         if (win == NULL)
6649                 return;
6650
6651         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6652
6653         if (win->transient) {
6654                 parent = find_window(win->transient);
6655                 if (parent)
6656                         parent->child_trans = NULL;
6657         }
6658
6659         /* focus on root just in case */
6660         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6661         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6662             screen->root, XCB_CURRENT_TIME);
6663
6664         focus_prev(win);
6665
6666         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6667         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6668 }
6669
6670 void
6671 focus_magic(struct ws_win *win)
6672 {
6673         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6674
6675         if (win == NULL) {
6676                 /* if there are no windows clear the status-bar */
6677                 bar_update();
6678                 return;
6679         }
6680
6681         if (win->child_trans) {
6682                 /* win = parent & has a transient so focus on that */
6683                 if (win->java) {
6684                         focus_win(win->child_trans);
6685                         if (win->child_trans->take_focus)
6686                                 client_msg(win, a_takefocus);
6687                 } else {
6688                         /* make sure transient hasn't disappeared */
6689                         if (validate_win(win->child_trans) == 0) {
6690                                 focus_win(win->child_trans);
6691                                 if (win->child_trans->take_focus)
6692                                         client_msg(win->child_trans,
6693                                             a_takefocus);
6694                         } else {
6695                                 win->child_trans = NULL;
6696                                 focus_win(win);
6697                                 if (win->take_focus)
6698                                         client_msg(win, a_takefocus);
6699                         }
6700                 }
6701         } else {
6702                 /* regular focus */
6703                 focus_win(win);
6704                 if (win->take_focus)
6705                         client_msg(win, a_takefocus);
6706         }
6707 }
6708
6709 void
6710 expose(xcb_expose_event_t *e)
6711 {
6712         int                     i, num_screens;
6713         struct swm_region       *r;
6714
6715         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6716
6717         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6718         for (i = 0; i < num_screens; i++)
6719                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6720                         if (e->window == WINID(r->bar))
6721                                 bar_update();
6722
6723         xcb_flush(conn);
6724 }
6725
6726 void
6727 keypress(xcb_key_press_event_t *e)
6728 {
6729         xcb_keysym_t            keysym;
6730         struct key              *kp;
6731
6732         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6733
6734         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6735
6736         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6737                 return;
6738
6739         if (kp->funcid == KF_SPAWN_CUSTOM)
6740                 spawn_custom(root_to_region(e->root),
6741                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6742         else if (keyfuncs[kp->funcid].func)
6743                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6744                     &(keyfuncs[kp->funcid].args));
6745 }
6746
6747 void
6748 buttonpress(xcb_button_press_event_t *e)
6749 {
6750         struct ws_win           *win;
6751         int                     i;
6752         unsigned int            action;
6753
6754         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6755             e->event, e->detail);
6756
6757         if ((win = find_window(e->event)) == NULL)
6758                 return;
6759
6760         focus_magic(win);
6761         action = client_click;
6762
6763         for (i = 0; i < LENGTH(buttons); i++)
6764                 if (action == buttons[i].action && buttons[i].func &&
6765                     buttons[i].button == e->detail &&
6766                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6767                         buttons[i].func(win, &buttons[i].args);
6768
6769         xcb_flush(conn);
6770 }
6771
6772 #ifdef SWM_DEBUG
6773 void
6774 print_win_geom(xcb_window_t w)
6775 {
6776         xcb_get_geometry_reply_t        *wa;
6777
6778         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6779
6780         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6781             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6782             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6783             wa->border_width);
6784
6785         free(wa);
6786 }
6787 #endif
6788
6789 void
6790 configurerequest(xcb_configure_request_event_t *e)
6791 {
6792         struct ws_win           *win;
6793         int                     new = 0, i = 0;
6794         uint16_t                mask = 0;
6795         uint32_t                wc[7] = {0};
6796
6797         if ((win = find_window(e->window)) == NULL)
6798                 if ((win = find_unmanaged_window(e->window)) == NULL)
6799                         new = 1;
6800 #ifdef SWM_DEBUG
6801         print_win_geom(e->window);
6802 #endif
6803         if (new) {
6804                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6805                     "value_mask: 0x%x", e->window, e->value_mask);
6806                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6807                         mask |= XCB_CONFIG_WINDOW_X;
6808                         wc[i++] = e->x;
6809                         DPRINTF(", X: %d", e->x);
6810                 }
6811                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6812                         mask |= XCB_CONFIG_WINDOW_Y;
6813                         wc[i++] = e->y;
6814                         DPRINTF(", Y: %d", e->y);
6815                 }
6816                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6817                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6818                         wc[i++] = e->width;
6819                         DPRINTF(", W: %u", e->width);
6820                 }
6821                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6822                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6823                         wc[i++] = e->height;
6824                         DPRINTF(", H: %u", e->height);
6825                 }
6826                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6827                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6828                         wc[i++] = e->border_width;
6829                         DPRINTF(", Border: %u", e->border_width);
6830                 }
6831                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6832                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6833                         wc[i++] = e->sibling;
6834                         DPRINTF(", Sibling: 0x%x", e->sibling);
6835                 }
6836                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6837                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6838                         wc[i++] = e->stack_mode;
6839                         DPRINTF(", StackMode: %u", e->stack_mode);
6840                 }
6841
6842                 if (mask != 0)
6843                         xcb_configure_window(conn, e->window, mask, wc);
6844
6845                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6846         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6847             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6848                 win->g_float.x = e->x - X(win->ws->r);
6849                 win->g_float.y = e->y - Y(win->ws->r);
6850                 win->g_float.w = e->width;
6851                 win->g_float.h = e->height;
6852                 win->g_floatvalid = 1;
6853
6854                 if (win->floating) {
6855                         win->g = win->g_float;
6856                         win->g.x += X(win->ws->r);
6857                         win->g.y += Y(win->ws->r);
6858                         update_window(win);
6859                 } else {
6860                         config_win(win, e);
6861                 }
6862         } else {
6863                 config_win(win, e);
6864         }
6865
6866         xcb_flush(conn);
6867 }
6868
6869 void
6870 configurenotify(xcb_configure_notify_event_t *e)
6871 {
6872         struct ws_win           *win;
6873
6874         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6875             e->window);
6876
6877         win = find_window(e->window);
6878         if (win) {
6879                 xcb_icccm_get_wm_normal_hints_reply(conn,
6880                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6881                     &win->sh, NULL);
6882                 adjust_font(win);
6883                 if (font_adjusted)
6884                         stack();
6885         }
6886 }
6887
6888 void
6889 destroynotify(xcb_destroy_notify_event_t *e)
6890 {
6891         struct ws_win           *win;
6892
6893         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6894
6895         if ((win = find_window(e->window)) == NULL) {
6896                 if ((win = find_unmanaged_window(e->window)) == NULL)
6897                         return;
6898                 free_window(win);
6899                 return;
6900         }
6901
6902         /* make sure we focus on something */
6903         win->floating = 0;
6904
6905         unmanage_window(win);
6906         stack();
6907         free_window(win);
6908 }
6909
6910 void
6911 enternotify(xcb_enter_notify_event_t *e)
6912 {
6913         struct ws_win           *win;
6914         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6915             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6916             "state: %d\n", e->event, e->mode, e->detail, e->root,
6917             e->child, YESNO(e->same_screen_focus), e->state);
6918
6919         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6920                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6921                     "cursor grab.\n");
6922                 return;
6923         }
6924
6925         switch (focus_mode) {
6926         case SWM_FOCUS_DEFAULT:
6927                 break;
6928         case SWM_FOCUS_FOLLOW:
6929                 break;
6930         case SWM_FOCUS_SYNERGY:
6931                 break;
6932         }
6933
6934         if ((win = find_window(e->event)) == NULL) {
6935                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6936                 return;
6937         }
6938
6939         focus_magic(win);
6940
6941         xcb_flush(conn);
6942 }
6943
6944 /* lets us use one switch statement for arbitrary mode/detail combinations */
6945 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6946
6947 void
6948 mapnotify(xcb_map_notify_event_t *e)
6949 {
6950         struct ws_win           *win;
6951
6952         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6953
6954         win = manage_window(e->window);
6955         if (win)
6956                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6957
6958         /*
6959          * focus_win can only set input focus on a mapped window.
6960          * make sure the window really has focus since it is just being mapped.
6961          */
6962         if (win->ws->focus == win)
6963                 focus_win(win);
6964 }
6965
6966 void
6967 mappingnotify(xcb_mapping_notify_event_t *e)
6968 {
6969         xcb_refresh_keyboard_mapping(syms, e);
6970
6971         if (e->request == XCB_MAPPING_KEYBOARD)
6972                 grabkeys();
6973 }
6974
6975 void
6976 maprequest(xcb_map_request_event_t *e)
6977 {
6978         struct ws_win           *win;
6979         struct swm_region       *r;
6980         xcb_get_window_attributes_reply_t *war;
6981
6982         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6983             e->window);
6984
6985         war = xcb_get_window_attributes_reply(conn,
6986             xcb_get_window_attributes(conn, e->window),
6987             NULL);
6988         if (!war)
6989                 return;
6990         if (war->override_redirect) {
6991                 free(war);
6992                 return;
6993         }
6994         free(war);
6995
6996         win = manage_window(e->window);
6997         if (win == NULL) {
6998                 return; /* can't happen */
6999         }
7000
7001         stack();
7002
7003         /* make new win focused */
7004         r = root_to_region(win->wa->root);
7005         if (win->ws == r->ws)
7006                 focus_magic(win);
7007 }
7008
7009 #ifdef SWM_DEBUG
7010 char *
7011 get_atom_name(xcb_atom_t atom)
7012 {
7013         char                            *name;
7014         size_t                          len;
7015         xcb_get_atom_name_reply_t       *r;
7016         xcb_map_request_event_t         mre;
7017
7018         r = xcb_get_atom_name_reply(conn,
7019             xcb_get_atom_name(conn, atom),
7020             NULL);
7021         if (r) {
7022                 len = xcb_get_atom_name_name_length(r);
7023                 if (len > 0) {
7024                         name = malloc(len + 1);
7025                         if (name) {
7026                                 memcpy(name, xcb_get_atom_name_name(r), len);
7027                                 name[len] = '\0';
7028
7029                                 return name;
7030                         }
7031                 }
7032                 free(r);
7033         }
7034
7035         return NULL;
7036 }
7037 #endif
7038
7039 void
7040 propertynotify(xcb_property_notify_event_t *e)
7041 {
7042         struct ws_win           *win;
7043 #ifdef SWM_DEBUG
7044         char                    *name;
7045
7046         name = get_atom_name(e->atom);
7047         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7048             e->window, name, e->atom);
7049         free(name);
7050 #endif
7051
7052         win = find_window(e->window);
7053         if (win == NULL)
7054                 return;
7055
7056         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7057                 update_iconic(win, 0);
7058                 map_window_raised(win->id);
7059                 stack();
7060                 focus_win(win);
7061                 return;
7062         }
7063
7064         switch (e->atom) {
7065         case XCB_ATOM_WM_CLASS:
7066         case XCB_ATOM_WM_NAME:
7067                 bar_update();
7068                 break;
7069         default:
7070                 break;
7071         }
7072 }
7073
7074 void
7075 unmapnotify(xcb_unmap_notify_event_t *e)
7076 {
7077         struct ws_win           *win;
7078
7079         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7080
7081         /* determine if we need to help unmanage this window */
7082         win = find_window(e->window);
7083         if (win == NULL)
7084                 return;
7085
7086         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7087                 unmanage_window(win);
7088                 stack();
7089
7090                 /* resend unmap because we ated it */
7091                 xcb_unmap_window(conn, e->window);
7092                 xcb_flush(conn);
7093         }
7094 }
7095
7096 #if 0
7097 void
7098 visibilitynotify(xcb_visibility_notify_event_t *e)
7099 {
7100         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7101             e->window);
7102 }
7103 #endif
7104
7105 void
7106 clientmessage(xcb_client_message_event_t *e)
7107 {
7108         struct ws_win *win;
7109         xcb_map_request_event_t mre;
7110 #ifdef SWM_DEBUG
7111         char                    *name;
7112
7113         name = get_atom_name(e->type);
7114         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7115             e->window, name, e->type);
7116         free(name);
7117 #endif
7118         win = find_window(e->window);
7119
7120         if (win == NULL) {
7121                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7122                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7123                             "unmanaged window.\n");
7124                         mre.window = e->window;
7125                         maprequest(&mre);
7126                 }
7127                 return;
7128         }
7129
7130         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7131                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7132                 focus_win(win);
7133         }
7134         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7135                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7136                 if (win->can_delete)
7137                         client_msg(win, a_delete);
7138                 else
7139                         xcb_kill_client(conn, win->id);
7140         }
7141         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7142                 DNPRINTF(SWM_D_EVENT,
7143                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7144                 if (win->floating) {
7145                         if (e->data.data32[0] & (1<<8)) /* x */
7146                                 X(win) = e->data.data32[1];
7147                         if (e->data.data32[0] & (1<<9)) /* y */
7148                                 Y(win) = e->data.data32[2];
7149                         if (e->data.data32[0] & (1<<10)) /* width */
7150                                 WIDTH(win) = e->data.data32[3];
7151                         if (e->data.data32[0] & (1<<11)) /* height */
7152                                 HEIGHT(win) = e->data.data32[4];
7153
7154                         update_window(win);
7155                 }
7156                 else {
7157                         /* TODO: Change stack sizes */
7158                         /* notify no change was made. */
7159                         config_win(win, NULL);
7160                 }
7161         }
7162         if (e->type == ewmh[_NET_WM_STATE].atom) {
7163                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7164                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7165                 if (e->data.data32[2])
7166                         ewmh_update_win_state(win, e->data.data32[2],
7167                             e->data.data32[0]);
7168
7169                 stack();
7170         }
7171
7172         xcb_flush(conn);
7173 }
7174
7175 int
7176 enable_wm(void)
7177 {
7178         int                     num_screens, i;
7179         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7180         xcb_screen_t            *sc;
7181         xcb_void_cookie_t       wac;
7182         xcb_generic_error_t     *error;
7183
7184         /* this causes an error if some other window manager is running */
7185         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7186         for (i = 0; i < num_screens; i++) {
7187                 sc = get_screen(i);
7188                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7189                     i, sc->root);
7190                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7191                     XCB_CW_EVENT_MASK, &val);
7192                 if ((error = xcb_request_check(conn, wac))) {
7193                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7194                             error->error_code);
7195                         free(error);
7196                         return 1;
7197                 }
7198         }
7199
7200         return 0;
7201 }
7202
7203 void
7204 new_region(struct swm_screen *s, int x, int y, int w, int h)
7205 {
7206         struct swm_region       *r, *n;
7207         struct workspace        *ws = NULL;
7208         int                     i;
7209
7210         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7211              s->idx, w, h, x, y);
7212
7213         /* remove any conflicting regions */
7214         n = TAILQ_FIRST(&s->rl);
7215         while (n) {
7216                 r = n;
7217                 n = TAILQ_NEXT(r, entry);
7218                 if (X(r) < (x + w) &&
7219                     (X(r) + WIDTH(r)) > x &&
7220                     Y(r) < (y + h) &&
7221                     (Y(r) + HEIGHT(r)) > y) {
7222                         if (r->ws->r != NULL)
7223                                 r->ws->old_r = r->ws->r;
7224                         r->ws->r = NULL;
7225                         bar_cleanup(r);
7226                         TAILQ_REMOVE(&s->rl, r, entry);
7227                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7228                 }
7229         }
7230
7231         /* search old regions for one to reuse */
7232
7233         /* size + location match */
7234         TAILQ_FOREACH(r, &s->orl, entry)
7235                 if (X(r) == x && Y(r) == y &&
7236                     HEIGHT(r) == h && WIDTH(r) == w)
7237                         break;
7238
7239         /* size match */
7240         TAILQ_FOREACH(r, &s->orl, entry)
7241                 if (HEIGHT(r) == h && WIDTH(r) == w)
7242                         break;
7243
7244         if (r != NULL) {
7245                 TAILQ_REMOVE(&s->orl, r, entry);
7246                 /* try to use old region's workspace */
7247                 if (r->ws->r == NULL)
7248                         ws = r->ws;
7249         } else
7250                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7251                         err(1, "new_region: calloc: failed to allocate memory "
7252                             "for screen");
7253
7254         /* if we don't have a workspace already, find one */
7255         if (ws == NULL) {
7256                 for (i = 0; i < workspace_limit; i++)
7257                         if (s->ws[i].r == NULL) {
7258                                 ws = &s->ws[i];
7259                                 break;
7260                         }
7261         }
7262
7263         if (ws == NULL)
7264                 errx(1, "new_region: no free workspaces");
7265
7266         X(r) = x;
7267         Y(r) = y;
7268         WIDTH(r) = w;
7269         HEIGHT(r) = h;
7270         r->s = s;
7271         r->ws = ws;
7272         r->ws_prior = NULL;
7273         ws->r = r;
7274         outputs++;
7275         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7276 }
7277
7278 void
7279 scan_xrandr(int i)
7280 {
7281 #ifdef SWM_XRR_HAS_CRTC
7282         int                                             c;
7283         int                                             ncrtc = 0;
7284 #endif /* SWM_XRR_HAS_CRTC */
7285         struct swm_region                               *r;
7286         int                                             num_screens;
7287         xcb_randr_get_screen_resources_current_cookie_t src;
7288         xcb_randr_get_screen_resources_current_reply_t  *srr;
7289         xcb_randr_get_crtc_info_cookie_t                cic;
7290         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7291         xcb_randr_crtc_t                                *crtc;
7292         xcb_screen_t                                    *screen = get_screen(i);
7293
7294         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7295         if (i >= num_screens)
7296                 errx(1, "scan_xrandr: invalid screen");
7297
7298         /* remove any old regions */
7299         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7300                 r->ws->old_r = r->ws->r = NULL;
7301                 bar_cleanup(r);
7302                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7303                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7304         }
7305         outputs = 0;
7306
7307         /* map virtual screens onto physical screens */
7308 #ifdef SWM_XRR_HAS_CRTC
7309         if (xrandr_support) {
7310                 src = xcb_randr_get_screen_resources_current(conn,
7311                     screens[i].root);
7312                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7313                     NULL);
7314                 if (srr == NULL) {
7315                         new_region(&screens[i], 0, 0,
7316                             screen->width_in_pixels,
7317                             screen->height_in_pixels);
7318                         return;
7319                 } else
7320                         ncrtc = srr->num_crtcs;
7321                 for (c = 0; c < ncrtc; c++) {
7322                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7323                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7324                             XCB_CURRENT_TIME);
7325                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7326                         if (cir == NULL)
7327                                 continue;
7328                         if (cir->num_outputs == 0) {
7329                                 free(cir);
7330                                 continue;
7331                         }
7332
7333                         if (cir->mode == 0)
7334                                 new_region(&screens[i], 0, 0,
7335                                     screen->width_in_pixels,
7336                                     screen->height_in_pixels);
7337                         else
7338                                 new_region(&screens[i],
7339                                     cir->x, cir->y, cir->width, cir->height);
7340                         free(cir);
7341                 }
7342                 free(srr);
7343         } else
7344 #endif /* SWM_XRR_HAS_CRTC */
7345         {
7346                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7347                     screen->height_in_pixels);
7348         }
7349 }
7350
7351 void
7352 screenchange(xcb_randr_screen_change_notify_event_t *e)
7353 {
7354         struct swm_region               *r;
7355         int                             i, num_screens;
7356
7357         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7358
7359         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7360         /* silly event doesn't include the screen index */
7361         for (i = 0; i < num_screens; i++)
7362                 if (screens[i].root == e->root)
7363                         break;
7364         if (i >= num_screens)
7365                 errx(1, "screenchange: screen not found");
7366
7367         /* brute force for now, just re-enumerate the regions */
7368         scan_xrandr(i);
7369
7370 #ifdef SWM_DEBUG
7371         print_win_geom(e->root);
7372 #endif
7373         /* add bars to all regions */
7374         for (i = 0; i < num_screens; i++)
7375                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7376                         bar_setup(r);
7377         stack();
7378 }
7379
7380 void
7381 grab_windows(void)
7382 {
7383         xcb_window_t            *wins   = NULL;
7384         int                     no;
7385         int                     i, j, num_screens;
7386         uint16_t                state, manage;
7387
7388         xcb_query_tree_cookie_t                 qtc;
7389         xcb_query_tree_reply_t                  *qtr;
7390         xcb_get_window_attributes_cookie_t      c;
7391         xcb_get_window_attributes_reply_t       *r;
7392         xcb_get_property_cookie_t               pc;
7393
7394         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7395         for (i = 0; i < num_screens; i++) {
7396                 qtc = xcb_query_tree(conn, screens[i].root);
7397                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7398                 if (!qtr)
7399                         continue;
7400                 wins = xcb_query_tree_children(qtr);
7401                 no = xcb_query_tree_children_length(qtr);
7402                 /* attach windows to a region */
7403                 /* normal windows */
7404                 for (j = 0; j < no; j++) {
7405                         c = xcb_get_window_attributes(conn, wins[j]);
7406                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7407                         if (!r)
7408                                 continue;
7409                         if (r->override_redirect) {
7410                                 free(r);
7411                                 continue;
7412                         }
7413
7414                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7415                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7416                             &wins[j], NULL)) {
7417                                 free(r);
7418                                 continue;
7419                         }
7420
7421                         state = getstate(wins[j]);
7422                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7423                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7424                                 manage_window(wins[j]);
7425                         free(r);
7426                 }
7427                 /* transient windows */
7428                 for (j = 0; j < no; j++) {
7429                         c = xcb_get_window_attributes(conn, wins[j]);
7430                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7431                         if (!r)
7432                                 continue;
7433                         if (r->override_redirect) {
7434                                 free(r);
7435                                 continue;
7436                         }
7437                         free(r);
7438
7439                         state = getstate(wins[j]);
7440                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7441                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7442                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7443                             &wins[j], NULL) && manage)
7444                                 manage_window(wins[j]);
7445                 }
7446                 free(qtr);
7447         }
7448 }
7449
7450 void
7451 setup_screens(void)
7452 {
7453         int                     i, j, k, num_screens;
7454         struct workspace        *ws;
7455         uint32_t                gcv[1], wa[1];
7456         const xcb_query_extension_reply_t *qep;
7457         xcb_cursor_t                            cursor;
7458         xcb_font_t                              cursor_font;
7459         xcb_randr_query_version_cookie_t        c;
7460         xcb_randr_query_version_reply_t         *r;
7461
7462         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7463         if ((screens = calloc(num_screens,
7464              sizeof(struct swm_screen))) == NULL)
7465                 err(1, "setup_screens: calloc: failed to allocate memory for "
7466                     "screens");
7467
7468         /* initial Xrandr setup */
7469         xrandr_support = False;
7470         c = xcb_randr_query_version(conn, True, True);
7471         r = xcb_randr_query_version_reply(conn, c, NULL);
7472         if (r) {
7473                 if (r->major_version >= 1)
7474                         xrandr_support = True;
7475                 free(r);
7476         }
7477         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7478         xrandr_eventbase = qep->first_event;
7479
7480         cursor_font = xcb_generate_id(conn);
7481         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7482
7483         cursor = xcb_generate_id(conn);
7484         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7485             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7486         wa[0] = cursor;
7487
7488         /* map physical screens */
7489         for (i = 0; i < num_screens; i++) {
7490                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7491                 screens[i].idx = i;
7492                 TAILQ_INIT(&screens[i].rl);
7493                 TAILQ_INIT(&screens[i].orl);
7494                 screens[i].root = get_screen(i)->root;
7495
7496                 /* set default colors */
7497                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7498                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7499                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7500                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7501                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7502
7503                 /* create graphics context on screen */
7504                 screens[i].bar_gc = xcb_generate_id(conn);
7505                 gcv[0] = 0;
7506                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7507                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7508
7509                 /* set default cursor */
7510                 xcb_change_window_attributes(conn, screens[i].root,
7511                     XCB_CW_CURSOR, wa);
7512
7513                 /* init all workspaces */
7514                 /* XXX these should be dynamically allocated too */
7515                 for (j = 0; j < SWM_WS_MAX; j++) {
7516                         ws = &screens[i].ws[j];
7517                         ws->idx = j;
7518                         ws->name = NULL;
7519                         ws->focus = NULL;
7520                         ws->r = NULL;
7521                         ws->old_r = NULL;
7522                         TAILQ_INIT(&ws->winlist);
7523                         TAILQ_INIT(&ws->unmanagedlist);
7524
7525                         for (k = 0; layouts[k].l_stack != NULL; k++)
7526                                 if (layouts[k].l_config != NULL)
7527                                         layouts[k].l_config(ws,
7528                                             SWM_ARG_ID_STACKINIT);
7529                         ws->cur_layout = &layouts[0];
7530                         ws->cur_layout->l_string(ws);
7531                 }
7532
7533                 scan_xrandr(i);
7534
7535                 if (xrandr_support)
7536                         xcb_randr_select_input(conn, screens[i].root,
7537                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7538         }
7539         xcb_free_cursor(conn, cursor);
7540         xcb_close_font(conn, cursor_font);
7541 }
7542
7543 void
7544 setup_globals(void)
7545 {
7546         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7547                 err(1, "setup_globals: strdup: failed to allocate memory.");
7548
7549         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7550                 err(1, "setup_globals: strdup: failed to allocate memory.");
7551
7552         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7553                 errx(1, "unable to allocate key symbols");
7554
7555         a_state = get_atom_from_string("WM_STATE");
7556         a_prot = get_atom_from_string("WM_PROTOCOLS");
7557         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7558         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7559         a_wmname = get_atom_from_string("WM_NAME");
7560         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7561         a_utf8_string = get_atom_from_string("UTF8_STRING");
7562         a_string = get_atom_from_string("STRING");
7563         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7564 }
7565
7566 void
7567 workaround(void)
7568 {
7569         int                     i, num_screens;
7570         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7571         xcb_window_t            root, win;
7572         uint32_t                wa[2];
7573
7574         /* work around sun jdk bugs, code from wmname */
7575         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7576         netwmname = get_atom_from_string("_NET_WM_NAME");
7577         utf8_string = get_atom_from_string("UTF8_STRING");
7578
7579         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7580         for (i = 0; i < num_screens; i++) {
7581                 root = screens[i].root;
7582
7583                 win = xcb_generate_id(conn);
7584                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7585                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7586                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7587                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7588                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7589
7590                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7591                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7592                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7593                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7594                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7595                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7596         }
7597 }
7598
7599 void
7600 event_error(xcb_generic_error_t *e)
7601 {
7602         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7603             "resource_id: %u, minor_code: %u\n",
7604             xcb_event_get_error_label(e->error_code), e->error_code,
7605             xcb_event_get_request_label(e->major_code), e->major_code,
7606             e->sequence, e->resource_id, e->minor_code);
7607 }
7608
7609 void
7610 event_handle(xcb_generic_event_t *evt)
7611 {
7612         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7613
7614         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7615             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7616             XCB_EVENT_RESPONSE_TYPE(evt));
7617
7618         switch (type) {
7619 #define EVENT(type, callback) case type: callback((void *)evt); return
7620         EVENT(0, event_error);
7621         EVENT(XCB_BUTTON_PRESS, buttonpress);
7622         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7623         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7624         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7625         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7626         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7627         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7628         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7629         /*EVENT(XCB_CREATE_NOTIFY, );*/
7630         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7631         EVENT(XCB_ENTER_NOTIFY, enternotify);
7632         EVENT(XCB_EXPOSE, expose);
7633         /*EVENT(XCB_FOCUS_IN, );*/
7634         /*EVENT(XCB_FOCUS_OUT, );*/
7635         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7636         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7637         EVENT(XCB_KEY_PRESS, keypress);
7638         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7639         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7640         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7641         EVENT(XCB_MAP_NOTIFY, mapnotify);
7642         EVENT(XCB_MAP_REQUEST, maprequest);
7643         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7644         /*EVENT(XCB_MOTION_NOTIFY, );*/
7645         /*EVENT(XCB_NO_EXPOSURE, );*/
7646         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7647         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7648         /*EVENT(XCB_RESIZE_REQUEST, );*/
7649         /*EVENT(XCB_SELECTION_CLEAR, );*/
7650         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7651         /*EVENT(XCB_SELECTION_REQUEST, );*/
7652         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7653         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7654 #undef EVENT
7655         }
7656         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7657                 screenchange((void *)evt);
7658 }
7659
7660 int
7661 main(int argc, char *argv[])
7662 {
7663         struct swm_region       *r, *rr;
7664         struct ws_win           *winfocus = NULL;
7665         union arg               a;
7666         char                    conf[PATH_MAX], *cfile = NULL;
7667         struct stat             sb;
7668         int                     xfd, i, num_screens;
7669         struct sigaction        sact;
7670         xcb_generic_event_t     *evt;
7671         struct timeval          tv;
7672         fd_set                  rd;
7673
7674         time_started = time(NULL);
7675
7676         start_argv = argv;
7677         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7678         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7679                 warnx("no locale support");
7680
7681         /* handle some signals */
7682         bzero(&sact, sizeof(sact));
7683         sigemptyset(&sact.sa_mask);
7684         sact.sa_flags = 0;
7685         sact.sa_handler = sighdlr;
7686         sigaction(SIGINT, &sact, NULL);
7687         sigaction(SIGQUIT, &sact, NULL);
7688         sigaction(SIGTERM, &sact, NULL);
7689         sigaction(SIGHUP, &sact, NULL);
7690
7691         sact.sa_handler = sighdlr;
7692         sact.sa_flags = SA_NOCLDSTOP;
7693         sigaction(SIGCHLD, &sact, NULL);
7694
7695         if (!(display = XOpenDisplay(0)))
7696                 errx(1, "can not open display");
7697
7698         conn = XGetXCBConnection(display);
7699         if (xcb_connection_has_error(conn))
7700                 errx(1, "can not get XCB connection");
7701
7702         XSetEventQueueOwner(display, XCBOwnsEventQueue);
7703
7704         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7705         xfd = xcb_get_file_descriptor(conn);
7706
7707         /* look for local and global conf file */
7708         pwd = getpwuid(getuid());
7709         if (pwd == NULL)
7710                 errx(1, "invalid user: %d", getuid());
7711
7712         xcb_grab_server(conn);
7713         xcb_aux_sync(conn);
7714
7715         /* flush all events */
7716         while ((evt = xcb_poll_for_event(conn))) {
7717                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7718                         event_handle(evt);
7719                 free(evt);
7720         }
7721
7722         if (enable_wm() != 0)
7723                 errx(1, "another window manager is currently running");
7724
7725         xcb_aux_sync(conn);
7726
7727         setup_globals();
7728         setup_screens();
7729         setup_keys();
7730         setup_quirks();
7731         setup_spawn();
7732
7733         /* load config */
7734         for (i = 0; ; i++) {
7735                 conf[0] = '\0';
7736                 switch (i) {
7737                 case 0:
7738                         /* ~ */
7739                         snprintf(conf, sizeof conf, "%s/.%s",
7740                             pwd->pw_dir, SWM_CONF_FILE);
7741                         break;
7742                 case 1:
7743                         /* global */
7744                         snprintf(conf, sizeof conf, "/etc/%s",
7745                             SWM_CONF_FILE);
7746                         break;
7747                 case 2:
7748                         /* ~ compat */
7749                         snprintf(conf, sizeof conf, "%s/.%s",
7750                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7751                         break;
7752                 case 3:
7753                         /* global compat */
7754                         snprintf(conf, sizeof conf, "/etc/%s",
7755                             SWM_CONF_FILE_OLD);
7756                         break;
7757                 default:
7758                         goto noconfig;
7759                 }
7760
7761                 if (strlen(conf) && stat(conf, &sb) != -1)
7762                         if (S_ISREG(sb.st_mode)) {
7763                                 cfile = conf;
7764                                 break;
7765                         }
7766         }
7767 noconfig:
7768
7769         /* load conf (if any) */
7770         if (cfile)
7771                 conf_load(cfile, SWM_CONF_DEFAULT);
7772
7773         setup_ewmh();
7774         /* set some values to work around bad programs */
7775         workaround();
7776         /* grab existing windows (before we build the bars) */
7777         grab_windows();
7778
7779         if (getenv("SWM_STARTED") == NULL)
7780                 setenv("SWM_STARTED", "YES", 1);
7781
7782         /* setup all bars */
7783         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7784         for (i = 0; i < num_screens; i++)
7785                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7786                         if (winfocus == NULL)
7787                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7788                         bar_setup(r);
7789                 }
7790
7791         //unfocus_all();
7792
7793         grabkeys();
7794         stack();
7795
7796         xcb_ungrab_server(conn);
7797         xcb_flush(conn);
7798
7799         while (running) {
7800                 while ((evt = xcb_poll_for_event(conn))) {
7801                         if (running == 0)
7802                                 goto done;
7803                         event_handle(evt);
7804                         free(evt);
7805                 }
7806
7807                 /* if we are being restarted go focus on first window */
7808                 if (winfocus) {
7809                         rr = winfocus->ws->r;
7810                         if (rr == NULL) {
7811                                 /* not a visible window */
7812                                 winfocus = NULL;
7813                                 continue;
7814                         }
7815                         /* move pointer to first screen if multi screen */
7816                         if (num_screens > 1 || outputs > 1)
7817                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7818                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7819                                     Y(rr) + (bar_enabled ? bar_height : 0));
7820
7821                         a.id = SWM_ARG_ID_FOCUSCUR;
7822                         focus(rr, &a);
7823                         winfocus = NULL;
7824                         continue;
7825                 }
7826
7827                 FD_ZERO(&rd);
7828                 FD_SET(xfd, &rd);
7829                 tv.tv_sec = 1;
7830                 tv.tv_usec = 0;
7831                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7832                         if (errno != EINTR)
7833                                 DNPRINTF(SWM_D_MISC, "select failed");
7834                 if (restart_wm == 1)
7835                         restart(NULL, NULL);
7836                 if (search_resp == 1)
7837                         search_do_resp();
7838                 if (running == 0)
7839                         goto done;
7840                 if (bar_alarm) {
7841                         bar_alarm = 0;
7842                         bar_update();
7843                 }
7844         }
7845 done:
7846         teardown_ewmh();
7847         bar_extra_stop();
7848
7849         for (i = 0; i < num_screens; ++i)
7850                 if (screens[i].bar_gc != 0)
7851                         xcb_free_gc(conn, screens[i].bar_gc);
7852
7853         XftFontClose(display, bar_font);
7854         XftColorFree(display, DefaultVisual(display, 0),
7855             DefaultColormap(display, 0), &bar_font_color);
7856         xcb_key_symbols_free(syms);
7857         xcb_flush(conn);
7858         xcb_disconnect(conn);
7859
7860         return (0);
7861 }