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 <xcb/xcb.h>
  93 #include <xcb/xcb_atom.h>
  94 #include <xcb/xcb_aux.h>
  95 #include <xcb/xcb_event.h>
  96 #include <xcb/xcb_icccm.h>
  97 #include <xcb/xcb_keysyms.h>
  98 #include <xcb/xtest.h>
  99 #include <xcb/randr.h>
 100
 101 /* local includes */
 102 #include "version.h"
 103 #ifdef __OSX__
 104 #include <osx.h>
 105 #endif
 106
 107 #ifdef SPECTRWM_BUILDSTR
 108 static const char       *buildstr = SPECTRWM_BUILDSTR;
 109 #else
 110 static const char       *buildstr = SPECTRWM_VERSION;
 111 #endif
 112
 113 #if RANDR_MAJOR < 1
 114 #  error XRandR versions less than 1.0 are not supported
 115 #endif
 116
 117 #if RANDR_MAJOR >= 1
 118 #if RANDR_MINOR >= 2
 119 #define SWM_XRR_HAS_CRTC
 120 #endif
 121 #endif
 122
 123 #if defined(__OpenBSD__)
 124 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 125 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 126 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 127 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 128 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 129 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 130 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 131 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 132 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 133 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 134 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 135 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 136 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 137 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 138 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 139 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 140 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 141 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 142 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 143 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 144 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 145 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 146 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 147 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 148 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 149 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 150 #endif
 151
 152 #define SWM_DEBUG
 153 #ifdef SWM_DEBUG
 154 #define DPRINTF(x...) do {                                                      \
 155         if (swm_debug)                                                          \
 156                 fprintf(stderr, x);                                             \
 157 } while (0)
 158 #define DNPRINTF(n,x...) do {                                                   \
 159         if (swm_debug & n) {                                                    \
 160                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 161                 fprintf(stderr, x);                                             \
 162         }                                                                       \
 163 } while (0)
 164 #define SWM_D_MISC              0x0001
 165 #define SWM_D_EVENT             0x0002
 166 #define SWM_D_WS                0x0004
 167 #define SWM_D_FOCUS             0x0008
 168 #define SWM_D_MOVE              0x0010
 169 #define SWM_D_STACK             0x0020
 170 #define SWM_D_MOUSE             0x0040
 171 #define SWM_D_PROP              0x0080
 172 #define SWM_D_CLASS             0x0100
 173 #define SWM_D_KEY               0x0200
 174 #define SWM_D_QUIRK             0x0400
 175 #define SWM_D_SPAWN             0x0800
 176 #define SWM_D_EVENTQ            0x1000
 177 #define SWM_D_CONF              0x2000
 178 #define SWM_D_BAR               0x4000
 179 #define SWM_D_INIT              0x8000
 180
 181 u_int32_t               swm_debug = 0
 182                             | SWM_D_MISC
 183                             | SWM_D_EVENT
 184                             | SWM_D_WS
 185                             | SWM_D_FOCUS
 186                             | SWM_D_MOVE
 187                             | SWM_D_STACK
 188                             | SWM_D_MOUSE
 189                             | SWM_D_PROP
 190                             | SWM_D_CLASS
 191                             | SWM_D_KEY
 192                             | SWM_D_QUIRK
 193                             | SWM_D_SPAWN
 194                             | SWM_D_EVENTQ
 195                             | SWM_D_CONF
 196                             | SWM_D_BAR
 197                             | SWM_D_INIT
 198                             ;
 199 #else
 200 #define DPRINTF(x...)
 201 #define DNPRINTF(n,x...)
 202 #endif
 203
 204 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 205 #define MODKEY                  Mod1Mask
 206 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 207 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 208 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 209 #define SWM_PROPLEN             (16)
 210 #define SWM_FUNCNAME_LEN        (32)
 211 #define SWM_KEYS_LEN            (255)
 212 #define SWM_QUIRK_LEN           (64)
 213 #define X(r)                    (r)->g.x
 214 #define Y(r)                    (r)->g.y
 215 #define WIDTH(r)                (r)->g.w
 216 #define HEIGHT(r)               (r)->g.h
 217 #define BORDER(w)               (w->bordered ? border_width : 0)
 218 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 219 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 220 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 221 #define SH_MIN_W(w)             (w)->sh.min_width
 222 #define SH_MIN_H(w)             (w)->sh.min_height
 223 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 224 #define SH_MAX_W(w)             (w)->sh.max_width
 225 #define SH_MAX_H(w)             (w)->sh.max_height
 226 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 227 #define SH_INC_W(w)             (w)->sh.width_inc
 228 #define SH_INC_H(w)             (w)->sh.height_inc
 229 #define SWM_MAX_FONT_STEPS      (3)
 230 #define WINID(w)                ((w) ? (w)->id : 0)
 231 #define YESNO(x)                ((x) ? "yes" : "no")
 232
 233 #define SWM_FOCUS_DEFAULT       (0)
 234 #define SWM_FOCUS_SYNERGY       (1)
 235 #define SWM_FOCUS_FOLLOW        (2)
 236
 237 #define SWM_CONF_DEFAULT        (0)
 238 #define SWM_CONF_KEYMAPPING     (1)
 239
 240 #ifndef SWM_LIB
 241 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 242 #endif
 243
 244 char                    **start_argv;
 245 xcb_atom_t              a_state;
 246 xcb_atom_t              a_prot;
 247 xcb_atom_t              a_delete;
 248 xcb_atom_t              a_takefocus;
 249 xcb_atom_t              a_wmname;
 250 xcb_atom_t              a_netwmname;
 251 xcb_atom_t              a_utf8_string;
 252 xcb_atom_t              a_string;
 253 xcb_atom_t              a_swm_iconic;
 254 volatile sig_atomic_t   running = 1;
 255 volatile sig_atomic_t   restart_wm = 0;
 256 int                     outputs = 0;
 257 /*int                   last_focus_event = FocusOut;*/
 258 int                     other_wm;
 259 int                     ss_enabled = 0;
 260 int                     xrandr_support;
 261 int                     xrandr_eventbase;
 262 unsigned int            numlockmask = 0;
 263 xcb_connection_t        *conn;
 264 xcb_key_symbols_t       *syms;
 265
 266 int                     cycle_empty = 0;
 267 int                     cycle_visible = 0;
 268 int                     term_width = 0;
 269 int                     font_adjusted = 0;
 270 unsigned int            mod_key = MODKEY;
 271
 272 /* dmenu search */
 273 struct swm_region       *search_r;
 274 int                     select_list_pipe[2];
 275 int                     select_resp_pipe[2];
 276 pid_t                   searchpid;
 277 volatile sig_atomic_t   search_resp;
 278 int                     search_resp_action;
 279
 280 struct search_window {
 281         TAILQ_ENTRY(search_window)      entry;
 282         int                             idx;
 283         struct ws_win                   *win;
 284         xcb_gcontext_t                  gc;
 285         xcb_window_t                    indicator;
 286 };
 287 TAILQ_HEAD(search_winlist, search_window);
 288 struct search_winlist                   search_wl;
 289
 290 /* search actions */
 291 enum {
 292         SWM_SEARCH_NONE,
 293         SWM_SEARCH_UNICONIFY,
 294         SWM_SEARCH_NAME_WORKSPACE,
 295         SWM_SEARCH_SEARCH_WORKSPACE,
 296         SWM_SEARCH_SEARCH_WINDOW
 297 };
 298
 299 #define SWM_STACK_TOP           (0)
 300 #define SWM_STACK_BOTTOM        (1)
 301 #define SWM_STACK_ABOVE         (2)
 302 #define SWM_STACK_BELOW         (3)
 303
 304 /* dialog windows */
 305 double                  dialog_ratio = 0.6;
 306 /* status bar */
 307 #define SWM_BAR_MAX             (256)
 308 #define SWM_BAR_JUSTIFY_LEFT    (0)
 309 #define SWM_BAR_JUSTIFY_CENTER  (1)
 310 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 311 #define SWM_BAR_OFFSET          (4)
 312 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 313                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 314                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 315                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 316                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 317
 318 char                    *bar_argv[] = { NULL, NULL };
 319 int                     bar_pipe[2];
 320 unsigned char           bar_ext[SWM_BAR_MAX];
 321 char                    bar_vertext[SWM_BAR_MAX];
 322 int                     bar_version = 0;
 323 sig_atomic_t            bar_alarm = 0;
 324 int                     bar_delay = 30;
 325 int                     bar_enabled = 1;
 326 int                     bar_border_width = 1;
 327 int                     bar_at_bottom = 0;
 328 int                     bar_extra = 1;
 329 int                     bar_extra_running = 0;
 330 int                     bar_verbose = 1;
 331 int                     bar_height = 0;
 332 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 333 char                    *bar_format = NULL;
 334 int                     stack_enabled = 1;
 335 int                     clock_enabled = 1;
 336 int                     urgent_enabled = 0;
 337 char                    *clock_format = NULL;
 338 int                     title_name_enabled = 0;
 339 int                     title_class_enabled = 0;
 340 int                     window_name_enabled = 0;
 341 int                     focus_mode = SWM_FOCUS_DEFAULT;
 342 int                     focus_close = SWM_STACK_BELOW;
 343 int                     focus_close_wrap = 1;
 344 int                     focus_default = SWM_STACK_TOP;
 345 int                     spawn_position = SWM_STACK_TOP;
 346 int                     disable_border = 0;
 347 int                     border_width = 1;
 348 int                     verbose_layout = 0;
 349 time_t                  time_started;
 350 pid_t                   bar_pid;
 351 xcb_font_t              bar_fs;
 352 #if 0
 353 XFontSetExtents         *bar_fs_extents;
 354 #endif
 355 char                    *bar_fonts;
 356 struct passwd           *pwd;
 357
 358 /* layout manager data */
 359 struct swm_geometry {
 360         int                     x;
 361         int                     y;
 362         int                     w;
 363         int                     h;
 364 };
 365
 366 struct swm_screen;
 367 struct workspace;
 368
 369 struct swm_bar {
 370         xcb_window_t            id;
 371         xcb_pixmap_t            buffer;
 372         struct swm_geometry     g;
 373 };
 374
 375 /* virtual "screens" */
 376 struct swm_region {
 377         TAILQ_ENTRY(swm_region) entry;
 378         struct swm_geometry     g;
 379         struct workspace        *ws;    /* current workspace on this region */
 380         struct workspace        *ws_prior; /* prior workspace on this region */
 381         struct swm_screen       *s;     /* screen idx */
 382         struct swm_bar          *bar;
 383 };
 384 TAILQ_HEAD(swm_region_list, swm_region);
 385
 386 struct ws_win {
 387         TAILQ_ENTRY(ws_win)     entry;
 388         xcb_window_t            id;
 389         xcb_window_t            transient;
 390         struct ws_win           *child_trans;   /* transient child window */
 391         struct swm_geometry     g;              /* current geometry */
 392         struct swm_geometry     g_float;        /* region coordinates */
 393         int                     g_floatvalid;   /* g_float geometry validity */
 394         int                     floatmaxed;     /* whether maxed by max_stack */
 395         int                     floating;
 396         int                     manual;
 397         int32_t                 iconic;
 398         int                     bordered;
 399         unsigned int            ewmh_flags;
 400         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 401         int                     font_steps;
 402         int                     last_inc;
 403         int                     can_delete;
 404         int                     take_focus;
 405         int                     java;
 406         unsigned long           quirks;
 407         struct workspace        *ws;    /* always valid */
 408         struct swm_screen       *s;     /* always valid, never changes */
 409         xcb_get_geometry_reply_t        *wa;
 410         xcb_size_hints_t        sh;
 411         xcb_icccm_get_wm_class_reply_t  ch;
 412         xcb_icccm_wm_hints_t    hints;
 413 };
 414 TAILQ_HEAD(ws_win_list, ws_win);
 415
 416 /* pid goo */
 417 struct pid_e {
 418         TAILQ_ENTRY(pid_e)      entry;
 419         pid_t                   pid;
 420         int                     ws;
 421 };
 422 TAILQ_HEAD(pid_list, pid_e);
 423 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 424
 425 /* layout handlers */
 426 void    stack(void);
 427 void    vertical_config(struct workspace *, int);
 428 void    vertical_stack(struct workspace *, struct swm_geometry *);
 429 void    horizontal_config(struct workspace *, int);
 430 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 431 void    max_stack(struct workspace *, struct swm_geometry *);
 432 void    plain_stacker(struct workspace *);
 433 void    fancy_stacker(struct workspace *);
 434
 435 struct layout {
 436         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 437         void            (*l_config)(struct workspace *, int);
 438         u_int32_t       flags;
 439 #define SWM_L_FOCUSPREV         (1<<0)
 440 #define SWM_L_MAPONFOCUS        (1<<1)
 441         void            (*l_string)(struct workspace *);
 442 } layouts[] =  {
 443         /* stack,               configure */
 444         { vertical_stack,       vertical_config,        0,      plain_stacker },
 445         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 446         { max_stack,            NULL,
 447           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 448         { NULL,                 NULL,                   0,      NULL  },
 449 };
 450
 451 /* position of max_stack mode in the layouts array, index into layouts! */
 452 #define SWM_V_STACK             (0)
 453 #define SWM_H_STACK             (1)
 454 #define SWM_MAX_STACK           (2)
 455
 456 #define SWM_H_SLICE             (32)
 457 #define SWM_V_SLICE             (32)
 458
 459 /* define work spaces */
 460 struct workspace {
 461         int                     idx;            /* workspace index */
 462         char                    *name;          /* workspace name */
 463         int                     always_raise;   /* raise windows on focus */
 464         struct layout           *cur_layout;    /* current layout handlers */
 465         struct ws_win           *focus;         /* may be NULL */
 466         struct ws_win           *focus_prev;    /* may be NULL */
 467         struct swm_region       *r;             /* may be NULL */
 468         struct swm_region       *old_r;         /* may be NULL */
 469         struct ws_win_list      winlist;        /* list of windows in ws */
 470         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 471         char                    stacker[10];    /* display stacker and layout */
 472
 473         /* stacker state */
 474         struct {
 475                                 int horizontal_msize;
 476                                 int horizontal_mwin;
 477                                 int horizontal_stacks;
 478                                 int horizontal_flip;
 479                                 int vertical_msize;
 480                                 int vertical_mwin;
 481                                 int vertical_stacks;
 482                                 int vertical_flip;
 483         } l_state;
 484 };
 485
 486 enum {
 487         SWM_S_COLOR_BAR,
 488         SWM_S_COLOR_BAR_BORDER,
 489         SWM_S_COLOR_BAR_FONT,
 490         SWM_S_COLOR_FOCUS,
 491         SWM_S_COLOR_UNFOCUS,
 492         SWM_S_COLOR_MAX
 493 };
 494
 495 /* physical screen mapping */
 496 #define SWM_WS_MAX              (22)    /* hard limit */
 497 int             workspace_limit = 10;   /* soft limit */
 498
 499 struct swm_screen {
 500         int                     idx;    /* screen index */
 501         struct swm_region_list  rl;     /* list of regions on this screen */
 502         struct swm_region_list  orl;    /* list of old regions */
 503         xcb_window_t            root;
 504         struct workspace        ws[SWM_WS_MAX];
 505
 506         /* colors */
 507         struct {
 508                 uint32_t        color;
 509                 char            *name;
 510         } c[SWM_S_COLOR_MAX];
 511
 512         xcb_gcontext_t          bar_gc;
 513 };
 514 struct swm_screen       *screens;
 515
 516 /* args to functions */
 517 union arg {
 518         int                     id;
 519 #define SWM_ARG_ID_FOCUSNEXT    (0)
 520 #define SWM_ARG_ID_FOCUSPREV    (1)
 521 #define SWM_ARG_ID_FOCUSMAIN    (2)
 522 #define SWM_ARG_ID_FOCUSCUR     (4)
 523 #define SWM_ARG_ID_SWAPNEXT     (10)
 524 #define SWM_ARG_ID_SWAPPREV     (11)
 525 #define SWM_ARG_ID_SWAPMAIN     (12)
 526 #define SWM_ARG_ID_MOVELAST     (13)
 527 #define SWM_ARG_ID_MASTERSHRINK (20)
 528 #define SWM_ARG_ID_MASTERGROW   (21)
 529 #define SWM_ARG_ID_MASTERADD    (22)
 530 #define SWM_ARG_ID_MASTERDEL    (23)
 531 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 532 #define SWM_ARG_ID_STACKRESET   (30)
 533 #define SWM_ARG_ID_STACKINIT    (31)
 534 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 535 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 536 #define SWM_ARG_ID_CYCLESC_UP   (42)
 537 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 538 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 539 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 540 #define SWM_ARG_ID_STACKINC     (50)
 541 #define SWM_ARG_ID_STACKDEC     (51)
 542 #define SWM_ARG_ID_SS_ALL       (60)
 543 #define SWM_ARG_ID_SS_WINDOW    (61)
 544 #define SWM_ARG_ID_DONTCENTER   (70)
 545 #define SWM_ARG_ID_CENTER       (71)
 546 #define SWM_ARG_ID_KILLWINDOW   (80)
 547 #define SWM_ARG_ID_DELETEWINDOW (81)
 548 #define SWM_ARG_ID_WIDTHGROW    (90)
 549 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 550 #define SWM_ARG_ID_HEIGHTGROW   (92)
 551 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 552 #define SWM_ARG_ID_MOVEUP       (100)
 553 #define SWM_ARG_ID_MOVEDOWN     (101)
 554 #define SWM_ARG_ID_MOVELEFT     (102)
 555 #define SWM_ARG_ID_MOVERIGHT    (103)
 556         char                    **argv;
 557 };
 558
 559 /* quirks */
 560 struct quirk {
 561         TAILQ_ENTRY(quirk)      entry;
 562         char                    *class;
 563         char                    *name;
 564         unsigned long           quirk;
 565 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 566 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 567 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 568 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 569 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 570 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 571 };
 572 TAILQ_HEAD(quirk_list, quirk);
 573 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 574
 575 /*
 576  * Supported EWMH hints should be added to
 577  * both the enum and the ewmh array
 578  */
 579 enum {
 580         _NET_ACTIVE_WINDOW,
 581         _NET_CLOSE_WINDOW,
 582         _NET_MOVERESIZE_WINDOW,
 583         _NET_WM_ACTION_CLOSE,
 584         _NET_WM_ACTION_FULLSCREEN,
 585         _NET_WM_ACTION_MOVE,
 586         _NET_WM_ACTION_RESIZE,
 587         _NET_WM_ALLOWED_ACTIONS,
 588         _NET_WM_STATE,
 589         _NET_WM_STATE_ABOVE,
 590         _NET_WM_STATE_FULLSCREEN,
 591         _NET_WM_STATE_HIDDEN,
 592         _NET_WM_STATE_MAXIMIZED_HORZ,
 593         _NET_WM_STATE_MAXIMIZED_VERT,
 594         _NET_WM_STATE_SKIP_PAGER,
 595         _NET_WM_STATE_SKIP_TASKBAR,
 596         _NET_WM_WINDOW_TYPE,
 597         _NET_WM_WINDOW_TYPE_DIALOG,
 598         _NET_WM_WINDOW_TYPE_DOCK,
 599         _NET_WM_WINDOW_TYPE_NORMAL,
 600         _NET_WM_WINDOW_TYPE_SPLASH,
 601         _NET_WM_WINDOW_TYPE_TOOLBAR,
 602         _NET_WM_WINDOW_TYPE_UTILITY,
 603         _SWM_WM_STATE_MANUAL,
 604         SWM_EWMH_HINT_MAX
 605 };
 606
 607 struct ewmh_hint {
 608         char            *name;
 609         xcb_atom_t      atom;
 610 } ewmh[SWM_EWMH_HINT_MAX] =     {
 611     /* must be in same order as in the enum */
 612     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 613     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 614     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 615     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 616     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 617     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 618     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 619     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 620     {"_NET_WM_STATE", XCB_ATOM_NONE},
 621     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 622     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 623     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 624     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 625     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 626     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 627     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 628     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 629     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 630     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 631     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 632     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 633     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 634     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 635     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 636 };
 637
 638 /* function prototypes */
 639 int      conf_load(char *, int);
 640 void     constrain_window(struct ws_win *, struct swm_region *, int);
 641 void     do_sync(void);
 642 void     event_handle(xcb_generic_event_t *);
 643 struct ws_win   *find_window(xcb_window_t);
 644 int      floating_toggle_win(struct ws_win *);
 645 void     focus(struct swm_region *, union arg *);
 646 void     focus_magic(struct ws_win *);
 647 xcb_atom_t get_atom_from_string(const char *);
 648 xcb_screen_t    *get_screen(int);
 649 char    *get_win_name(xcb_window_t);
 650 uint16_t getstate(xcb_window_t);
 651 void     grabbuttons(struct ws_win *, int);
 652 void     map_window_raised(xcb_window_t);
 653 void     new_region(struct swm_screen *, int, int, int, int);
 654 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 655 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 656 void     store_float_geom(struct ws_win *, struct swm_region *);
 657 void     unmanage_window(struct ws_win *);
 658 void     update_window(struct ws_win *);
 659
 660 /* function definitions */
 661 int
 662 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 663 {
 664         unsigned int    tmpr, tmpg, tmpb;
 665
 666         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 667                 return (-1);
 668
 669         *rr = tmpr << 8;
 670         *gg = tmpg << 8;
 671         *bb = tmpb << 8;
 672
 673         return (0);
 674 }
 675
 676 xcb_screen_t *
 677 get_screen(int screen)
 678 {
 679         xcb_screen_iterator_t i;
 680
 681         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 682         for (; i.rem; --screen, xcb_screen_next(&i))
 683                 if (screen == 0)
 684                         return (i.data);
 685
 686         return (NULL);
 687 }
 688
 689 void
 690 do_sync(void)
 691 {
 692         xcb_get_input_focus_cookie_t    c;
 693         xcb_get_input_focus_reply_t     *r;
 694
 695         /* mimic XSync() */
 696         c = xcb_get_input_focus(conn);
 697         xcb_flush(conn);
 698         r = xcb_get_input_focus_reply(conn, c, NULL);
 699         if (r)
 700                 free(r);
 701 }
 702
 703 void
 704 map_window_raised(xcb_window_t win)
 705 {
 706         uint32_t        val = XCB_STACK_MODE_ABOVE;
 707
 708         xcb_configure_window(conn, win,
 709             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 710
 711         xcb_map_window(conn, win);
 712 }
 713
 714 xcb_atom_t
 715 get_atom_from_string(const char *str)
 716 {
 717         xcb_intern_atom_cookie_t        c;
 718         xcb_intern_atom_reply_t         *r;
 719         xcb_atom_t                      atom;
 720
 721         c = xcb_intern_atom(conn, False, strlen(str), str);
 722         r = xcb_intern_atom_reply(conn, c, NULL);
 723         if (r) {
 724                 atom = r->atom;
 725                 free(r);
 726
 727                 return (atom);
 728         }
 729
 730         return (XCB_ATOM_NONE);
 731 }
 732
 733 void
 734 update_iconic(struct ws_win *win, int newv)
 735 {
 736         int32_t                         v = newv;
 737         xcb_atom_t                      iprop;
 738
 739         win->iconic = newv;
 740
 741         iprop = get_atom_from_string("_SWM_ICONIC");
 742         if (iprop == XCB_ATOM_NONE)
 743                 return;
 744
 745         if (newv)
 746                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 747                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 748         else
 749                 xcb_delete_property(conn, win->id, iprop);
 750 }
 751
 752 int32_t
 753 get_iconic(struct ws_win *win)
 754 {
 755         int32_t                         v = 0;
 756         xcb_atom_t                      iprop;
 757         xcb_get_property_reply_t        *pr = NULL;
 758
 759         iprop = get_atom_from_string("_SWM_ICONIC");
 760         if (iprop == XCB_ATOM_NONE)
 761                 goto out;
 762
 763         pr = xcb_get_property_reply(conn,
 764             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 765             0, 1), NULL);
 766         if (!pr)
 767                 goto out;
 768         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 769                 goto out;
 770         v = *((int32_t *)xcb_get_property_value(pr));
 771 out:
 772         if (pr)
 773                 free(pr);
 774         return (v);
 775 }
 776
 777 void
 778 setup_ewmh(void)
 779 {
 780         xcb_atom_t                      sup_list;
 781         int                             i, j, num_screens;
 782
 783         sup_list = get_atom_from_string("_NET_SUPPORTED");
 784
 785         for (i = 0; i < LENGTH(ewmh); i++)
 786                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 787
 788         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 789         for (i = 0; i < num_screens; i++) {
 790                 /* Support check window will be created by workaround(). */
 791
 792                 /* Report supported atoms */
 793                 xcb_delete_property(conn, screens[i].root, sup_list);
 794                 for (j = 0; j < LENGTH(ewmh); j++)
 795                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 796                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 797                             &ewmh[j].atom);
 798         }
 799 }
 800
 801 void
 802 teardown_ewmh(void)
 803 {
 804         int                             i, num_screens;
 805         xcb_atom_t                      sup_check, sup_list;
 806         xcb_window_t                    id;
 807         xcb_get_property_cookie_t       pc;
 808         xcb_get_property_reply_t        *pr;
 809
 810         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 811         sup_list = get_atom_from_string("_NET_SUPPORTED");
 812         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 813
 814         for (i = 0; i < num_screens; i++) {
 815                 /* Get the support check window and destroy it */
 816                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 817                     XCB_ATOM_WINDOW, 0, 1);
 818                 pr = xcb_get_property_reply(conn, pc, NULL);
 819                 if (pr) {
 820                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 821
 822                         xcb_destroy_window(conn, id);
 823                         xcb_delete_property(conn, screens[i].root, sup_check);
 824                         xcb_delete_property(conn, screens[i].root, sup_list);
 825
 826                         free(pr);
 827                 }
 828         }
 829 }
 830
 831 void
 832 ewmh_autoquirk(struct ws_win *win)
 833 {
 834         uint32_t                i, n;
 835         xcb_atom_t              *type;
 836         xcb_get_property_cookie_t       c;
 837         xcb_get_property_reply_t        *r;
 838
 839         c = xcb_get_property(conn, False, win->id,
 840             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 841         r = xcb_get_property_reply(conn, c, NULL);
 842         if (!r)
 843                 return;
 844
 845         n = xcb_get_property_value_length(r);
 846         type = xcb_get_property_value(r);
 847
 848         for (i = 0; i < n; i++) {
 849                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 850                         break;
 851                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 852                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 853                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 854                         win->floating = 1;
 855                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 856                         break;
 857                 }
 858                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 859                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 860                         win->floating = 1;
 861                         win->quirks = SWM_Q_FLOAT;
 862                         break;
 863                 }
 864         }
 865         free(r);
 866 }
 867
 868 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 869 #define EWMH_F_FULLSCREEN               (1<<0)
 870 #define EWMH_F_ABOVE                    (1<<1)
 871 #define EWMH_F_HIDDEN                   (1<<2)
 872 #define EWMH_F_SKIP_PAGER               (1<<3)
 873 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 874 #define SWM_F_MANUAL                    (1<<5)
 875
 876 int
 877 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 878 {
 879         if (!win->ws->r)
 880                 return (0);
 881
 882         if (!win->floating)
 883                 return (0);
 884
 885         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 886             "fullscreen %s\n", win->id, YESNO(fs));
 887
 888         if (fs) {
 889                 if (!win->g_floatvalid)
 890                         store_float_geom(win, win->ws->r);
 891
 892                 win->g = win->ws->r->g;
 893                 win->bordered = 0;
 894         } else {
 895                 if (win->g_floatvalid) {
 896                         /* refloat at last floating relative position */
 897                         win->g = win->g_float;
 898                         X(win) += X(win->ws->r);
 899                         Y(win) += Y(win->ws->r);
 900                 }
 901         }
 902
 903         return (1);
 904 }
 905
 906 void
 907 ewmh_update_actions(struct ws_win *win)
 908 {
 909         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 910         int                     n = 0;
 911
 912         if (win == NULL)
 913                 return;
 914
 915         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 916
 917         if (win->floating) {
 918                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 919                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 920         }
 921
 922         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 923             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 924 }
 925
 926 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 927 #define _NET_WM_STATE_ADD       1    /* add/set property */
 928 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 929
 930 void
 931 ewmh_update_win_state(struct ws_win *win, long state, long action)
 932 {
 933         unsigned int            mask = 0;
 934         unsigned int            changed = 0;
 935         unsigned int            orig_flags;
 936
 937         if (win == NULL)
 938                 return;
 939
 940         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 941                 mask = EWMH_F_FULLSCREEN;
 942         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 943                 mask = EWMH_F_ABOVE;
 944         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 945                 mask = SWM_F_MANUAL;
 946         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 947                 mask = EWMH_F_SKIP_PAGER;
 948         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 949                 mask = EWMH_F_SKIP_TASKBAR;
 950
 951
 952         orig_flags = win->ewmh_flags;
 953
 954         switch (action) {
 955         case _NET_WM_STATE_REMOVE:
 956                 win->ewmh_flags &= ~mask;
 957                 break;
 958         case _NET_WM_STATE_ADD:
 959                 win->ewmh_flags |= mask;
 960                 break;
 961         case _NET_WM_STATE_TOGGLE:
 962                 win->ewmh_flags ^= mask;
 963                 break;
 964         }
 965
 966         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 967
 968         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 969                 if (changed)
 970                         if (!floating_toggle_win(win))
 971                                 win->ewmh_flags = orig_flags; /* revert */
 972         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 973                 if (changed)
 974                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 975         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 976                 if (changed)
 977                         if (!ewmh_set_win_fullscreen(win,
 978                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 979                                 win->ewmh_flags = orig_flags; /* revert */
 980
 981         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 982
 983         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 984                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 985                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 986                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 987         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 988                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 989                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 990                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 991         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 992                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 993                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 994                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 995         if (win->ewmh_flags & EWMH_F_ABOVE)
 996                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 997                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 998                     &ewmh[_NET_WM_STATE_ABOVE].atom);
 999         if (win->ewmh_flags & SWM_F_MANUAL)
1000                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1001                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1002                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1003 }
1004
1005 void
1006 ewmh_get_win_state(struct ws_win *win)
1007 {
1008         xcb_atom_t                      *states;
1009         xcb_get_property_cookie_t       c;
1010         xcb_get_property_reply_t        *r;
1011         int                             i, n;
1012
1013         if (win == NULL)
1014                 return;
1015
1016         win->ewmh_flags = 0;
1017         if (win->floating)
1018                 win->ewmh_flags |= EWMH_F_ABOVE;
1019         if (win->manual)
1020                 win->ewmh_flags |= SWM_F_MANUAL;
1021
1022         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1023             XCB_ATOM_ATOM, 0, UINT32_MAX);
1024         r = xcb_get_property_reply(conn, c, NULL);
1025         if (!r)
1026                 return;
1027
1028         states = xcb_get_property_value(r);
1029         n = xcb_get_property_value_length(r);
1030
1031         for (i = 0; i < n; i++)
1032                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1033
1034         free(r);
1035 }
1036
1037 /* events */
1038 #ifdef SWM_DEBUG
1039 void
1040 dumpwins(struct swm_region *r, union arg *args)
1041 {
1042         struct ws_win                           *win;
1043         uint16_t                                state;
1044         xcb_get_window_attributes_cookie_t      c;
1045         xcb_get_window_attributes_reply_t       *wa;
1046
1047         if (r->ws == NULL) {
1048                 warnx("dumpwins: invalid workspace");
1049                 return;
1050         }
1051
1052         warnx("=== managed window list ws %02d ===", r->ws->idx);
1053         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1054                 state = getstate(win->id);
1055                 c = xcb_get_window_attributes(conn, win->id);
1056                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1057                 if (wa) {
1058                         warnx("window: 0x%x, map_state: %d, state: %u, "
1059                             "transient: 0x%x", win->id, wa->map_state,
1060                             state, win->transient);
1061                         free(wa);
1062                 } else
1063                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1064                             win->id);
1065         }
1066
1067         warnx("===== unmanaged window list =====");
1068         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1069                 state = getstate(win->id);
1070                 c = xcb_get_window_attributes(conn, win->id);
1071                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1072                 if (wa) {
1073                         warnx("window: 0x%x, map_state: %d, state: %u, "
1074                             "transient: 0x%x", win->id, wa->map_state,
1075                             state, win->transient);
1076                         free(wa);
1077                 } else
1078                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1079                             win->id);
1080         }
1081
1082         warnx("=================================");
1083 }
1084 #else
1085 void
1086 dumpwins(struct swm_region *r, union arg *args)
1087 {
1088 }
1089 #endif /* SWM_DEBUG */
1090
1091 void                    event_error(xcb_generic_error_t *);
1092 void                    expose(xcb_expose_event_t *);
1093 void                    keypress(xcb_key_press_event_t *);
1094 void                    buttonpress(xcb_button_press_event_t *);
1095 void                    configurerequest(xcb_configure_request_event_t *);
1096 void                    configurenotify(xcb_configure_notify_event_t *);
1097 void                    destroynotify(xcb_destroy_notify_event_t *);
1098 void                    enternotify(xcb_enter_notify_event_t *);
1099 void                    mapnotify(xcb_map_notify_event_t *);
1100 void                    mappingnotify(xcb_mapping_notify_event_t *);
1101 void                    maprequest(xcb_map_request_event_t *);
1102 void                    propertynotify(xcb_property_notify_event_t *);
1103 void                    unmapnotify(xcb_unmap_notify_event_t *);
1104 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1105 void                    clientmessage(xcb_client_message_event_t *);
1106 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1107
1108 void
1109 sighdlr(int sig)
1110 {
1111         int                     saved_errno, status;
1112         pid_t                   pid;
1113
1114         saved_errno = errno;
1115
1116         switch (sig) {
1117         case SIGCHLD:
1118                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1119                         if (pid == -1) {
1120                                 if (errno == EINTR)
1121                                         continue;
1122 #ifdef SWM_DEBUG
1123                                 if (errno != ECHILD)
1124                                         warn("sighdlr: waitpid");
1125 #endif /* SWM_DEBUG */
1126                                 break;
1127                         }
1128                         if (pid == searchpid)
1129                                 search_resp = 1;
1130
1131 #ifdef SWM_DEBUG
1132                         if (WIFEXITED(status)) {
1133                                 if (WEXITSTATUS(status) != 0)
1134                                         warnx("sighdlr: child exit status: %d",
1135                                             WEXITSTATUS(status));
1136                         } else
1137                                 warnx("sighdlr: child is terminated "
1138                                     "abnormally");
1139 #endif /* SWM_DEBUG */
1140                 }
1141                 break;
1142
1143         case SIGHUP:
1144                 restart_wm = 1;
1145                 break;
1146         case SIGINT:
1147         case SIGTERM:
1148         case SIGQUIT:
1149                 running = 0;
1150                 break;
1151         }
1152
1153         errno = saved_errno;
1154 }
1155
1156 struct pid_e *
1157 find_pid(pid_t pid)
1158 {
1159         struct pid_e            *p = NULL;
1160
1161         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1162
1163         if (pid == 0)
1164                 return (NULL);
1165
1166         TAILQ_FOREACH(p, &pidlist, entry) {
1167                 if (p->pid == pid)
1168                         return (p);
1169         }
1170
1171         return (NULL);
1172 }
1173
1174 uint32_t
1175 name_to_color(const char *colorname)
1176 {
1177         uint32_t                        result = 0;
1178         char                            cname[32] = "#";
1179         xcb_screen_t                    *screen;
1180         xcb_colormap_t                  cmap;
1181         xcb_alloc_color_reply_t         *cr;
1182         xcb_alloc_named_color_reply_t   *nr;
1183         uint16_t                        rr, gg, bb;
1184
1185         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1186         cmap = screen->default_colormap;
1187
1188         /* color is in format rgb://rr/gg/bb */
1189         if (strncmp(colorname, "rgb:", 4) == 0) {
1190                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1191                         warnx("could not parse rgb %s", colorname);
1192                 else {
1193                         cr = xcb_alloc_color_reply(conn,
1194                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1195                             NULL);
1196                         if (cr) {
1197                                 result = cr->pixel;
1198                                 free(cr);
1199                         } else
1200                                 warnx("color '%s' not found", colorname);
1201                 }
1202         } else {
1203                 nr = xcb_alloc_named_color_reply(conn,
1204                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1205                             colorname), NULL);
1206                 if (!nr) {
1207                         strlcat(cname, colorname + 2, sizeof cname - 1);
1208                         nr = xcb_alloc_named_color_reply(conn,
1209                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1210                             cname), NULL);
1211                 }
1212                 if (nr) {
1213                         result = nr->pixel;
1214                         free(nr);
1215                 } else
1216                         warnx("color '%s' not found", colorname);
1217         }
1218
1219         return (result);
1220 }
1221
1222 void
1223 setscreencolor(char *val, int i, int c)
1224 {
1225         int     num_screens;
1226
1227         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1228         if (i > 0 && i <= num_screens) {
1229                 screens[i - 1].c[c].color = name_to_color(val);
1230                 free(screens[i - 1].c[c].name);
1231                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1232                         err(1, "strdup");
1233         } else if (i == -1) {
1234                 for (i = 0; i < num_screens; i++) {
1235                         screens[i].c[c].color = name_to_color(val);
1236                         free(screens[i].c[c].name);
1237                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1238                                 err(1, "strdup");
1239                 }
1240         } else
1241                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1242                     i, num_screens);
1243 }
1244
1245 void
1246 fancy_stacker(struct workspace *ws)
1247 {
1248         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1249         if (ws->cur_layout->l_stack == vertical_stack)
1250                 snprintf(ws->stacker, sizeof ws->stacker,
1251                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1252                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1253         if (ws->cur_layout->l_stack == horizontal_stack)
1254                 snprintf(ws->stacker, sizeof ws->stacker,
1255                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1256                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1257 }
1258
1259 void
1260 plain_stacker(struct workspace *ws)
1261 {
1262         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1263         if (ws->cur_layout->l_stack == vertical_stack)
1264                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1265                     sizeof ws->stacker);
1266         if (ws->cur_layout->l_stack == horizontal_stack)
1267                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1268                     sizeof ws->stacker);
1269 }
1270
1271 void
1272 custom_region(char *val)
1273 {
1274         unsigned int                    x, y, w, h;
1275         int                             sidx, num_screens;
1276         xcb_screen_t                    *screen;
1277
1278         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1279         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1280                 errx(1, "invalid custom region, "
1281                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1282         if (sidx < 1 || sidx > num_screens)
1283                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1284                     sidx, num_screens);
1285         sidx--;
1286
1287         screen = get_screen(sidx);
1288         if (w < 1 || h < 1)
1289                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1290
1291         if (x > screen->width_in_pixels ||
1292             y > screen->height_in_pixels ||
1293             w + x > screen->width_in_pixels ||
1294             h + y > screen->height_in_pixels) {
1295                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1296                     "boundaries (%ux%u)", w, h, x, y,
1297                     screen->width_in_pixels, screen->height_in_pixels);
1298                 return;
1299         }
1300
1301         new_region(&screens[sidx], x, y, w, h);
1302 }
1303
1304 void
1305 socket_setnonblock(int fd)
1306 {
1307         int                     flags;
1308
1309         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1310                 err(1, "fcntl F_GETFL");
1311         flags |= O_NONBLOCK;
1312         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1313                 err(1, "fcntl F_SETFL");
1314 }
1315
1316 void
1317 bar_print(struct swm_region *r, const char *s)
1318 {
1319         size_t                  len;
1320         xcb_rectangle_t         rect;
1321         uint32_t                gcv[1];
1322
1323         len = strlen(s);
1324         /* FIXME fix bar font position calculations */
1325 #if 0
1326         int                     x = 0;
1327         XRectangle              ibox, lbox;
1328         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1329
1330         switch (bar_justify) {
1331         case SWM_BAR_JUSTIFY_LEFT:
1332                 x = SWM_BAR_OFFSET;
1333                 break;
1334         case SWM_BAR_JUSTIFY_CENTER:
1335                 x = (WIDTH(r) - lbox.width) / 2;
1336                 break;
1337         case SWM_BAR_JUSTIFY_RIGHT:
1338                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1339                 break;
1340         }
1341
1342         if (x < SWM_BAR_OFFSET)
1343                 x = SWM_BAR_OFFSET;
1344 #endif
1345
1346         rect.x = 0;
1347         rect.y = 0;
1348         rect.width = WIDTH(r->bar);
1349         rect.height = HEIGHT(r->bar);
1350
1351         /* clear back buffer */
1352         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1353         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1354         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1355             sizeof(rect), &rect);
1356
1357         /* draw back buffer */
1358         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1359         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1360         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1361         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1362         gcv[0] = bar_fs;
1363         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FONT, gcv);
1364 #if 0
1365         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1366             (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1367             lbox.y, s);
1368 #else
1369         /* workaround */
1370         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, 4, 14, s);
1371 #endif
1372
1373         /* blt */
1374         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1375             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1376 }
1377
1378 void
1379 bar_extra_stop(void)
1380 {
1381         if (bar_pipe[0]) {
1382                 close(bar_pipe[0]);
1383                 bzero(bar_pipe, sizeof bar_pipe);
1384         }
1385         if (bar_pid) {
1386                 kill(bar_pid, SIGTERM);
1387                 bar_pid = 0;
1388         }
1389         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1390         bar_extra = 0;
1391 }
1392
1393 void
1394 bar_class_name(char *s, size_t sz, struct swm_region *r)
1395 {
1396         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1397                 return;
1398         if (r->ws->focus->ch.class_name != NULL)
1399                 strlcat(s, r->ws->focus->ch.class_name, sz);
1400 }
1401
1402 void
1403 bar_title_name(char *s, size_t sz, struct swm_region *r)
1404 {
1405         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1406                 return;
1407         if (r->ws->focus->ch.instance_name != NULL)
1408                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1409 }
1410
1411 void
1412 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1413 {
1414         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1415                 return;
1416
1417         bar_class_name(s, sz, r);
1418         strlcat(s, ":", sz);
1419         bar_title_name(s, sz, r);
1420 }
1421
1422 void
1423 bar_window_float(char *s, size_t sz, struct swm_region *r)
1424 {
1425         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1426                 return;
1427         if (r->ws->focus->floating)
1428                 strlcat(s, "(f)", sz);
1429 }
1430
1431 void
1432 bar_window_name(char *s, size_t sz, struct swm_region *r)
1433 {
1434         char            *title;
1435
1436         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1437                 return;
1438         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1439                 return;
1440
1441         strlcat(s, title, sz);
1442         free(title);
1443 }
1444
1445 int             urgent[SWM_WS_MAX];
1446 void
1447 bar_urgent(char *s, size_t sz)
1448 {
1449         struct ws_win           *win;
1450         int                     i, j, num_screens;
1451         char                    b[8];
1452         xcb_get_property_cookie_t       c;
1453         xcb_icccm_wm_hints_t    hints;
1454
1455         for (i = 0; i < workspace_limit; i++)
1456                 urgent[i] = 0;
1457
1458         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1459         for (i = 0; i < num_screens; i++)
1460                 for (j = 0; j < workspace_limit; j++)
1461                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1462                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1463                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1464                                     &hints, NULL) == 0)
1465                                         continue;
1466                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1467                                         urgent[j] = 1;
1468                         }
1469
1470         for (i = 0; i < workspace_limit; i++) {
1471                 if (urgent[i])
1472                         snprintf(b, sizeof b, "%d ", i + 1);
1473                 else
1474                         snprintf(b, sizeof b, "- ");
1475                 strlcat(s, b, sz);
1476         }
1477 }
1478
1479 void
1480 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1481 {
1482         if (r == NULL || r->ws == NULL)
1483                 return;
1484         if (r->ws->name != NULL)
1485                 strlcat(s, r->ws->name, sz);
1486 }
1487
1488 /* build the default bar format according to the defined enabled options */
1489 void
1490 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1491 {
1492         /* if format provided, just copy the buffers */
1493         if (bar_format != NULL) {
1494                 strlcpy(fmtnew, fmtexp, sz);
1495                 return;
1496         }
1497
1498         /* reset the output buffer */
1499         *fmtnew = '\0';
1500
1501         strlcat(fmtnew, "+N:+I ", sz);
1502         if (stack_enabled)
1503                 strlcat(fmtnew, "+S", sz);
1504         strlcat(fmtnew, " ", sz);
1505
1506         /* only show the workspace name if there's actually one */
1507         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1508                 strlcat(fmtnew, "<+D>", sz);
1509         strlcat(fmtnew, "+3<", sz);
1510
1511         if (clock_enabled) {
1512                 strlcat(fmtnew, fmtexp, sz);
1513                 strlcat(fmtnew, "+4<", sz);
1514         }
1515
1516         /* bar_urgent already adds the space before the last asterisk */
1517         if (urgent_enabled)
1518                 strlcat(fmtnew, "* +U*+4<", sz);
1519
1520         if (title_class_enabled) {
1521                 strlcat(fmtnew, "+C", sz);
1522                 if (title_name_enabled == 0)
1523                         strlcat(fmtnew, "+4<", sz);
1524         }
1525
1526         /* checks needed by the colon and floating strlcat(3) calls below */
1527         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1528                 if (title_name_enabled) {
1529                         if (title_class_enabled)
1530                                 strlcat(fmtnew, ":", sz);
1531                         strlcat(fmtnew, "+T+4<", sz);
1532                 }
1533                 if (window_name_enabled) {
1534                         if (r->ws->focus->floating)
1535                                 strlcat(fmtnew, "+F ", sz);
1536                         strlcat(fmtnew, "+64W ", sz);
1537                 }
1538         }
1539
1540         /* finally add the action script output and the version */
1541         strlcat(fmtnew, "+4<+A+4<+V", sz);
1542 }
1543
1544 void
1545 bar_replace_pad(char *tmp, int *limit, size_t sz)
1546 {
1547         /* special case; no limit given, pad one space, instead */
1548         if (*limit == (int)sz - 1)
1549                 *limit = 1;
1550         snprintf(tmp, sz, "%*s", *limit, " ");
1551 }
1552
1553 /* replaces the bar format character sequences (like in tmux(1)) */
1554 char *
1555 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1556     size_t sz)
1557 {
1558         char                    *ptr;
1559         char                    tmp[SWM_BAR_MAX];
1560         int                     limit, size;
1561         size_t                  len;
1562
1563         /* reset strlcat(3) buffer */
1564         *tmp = '\0';
1565
1566         /* get number, if any */
1567         fmt++;
1568         size = 0;
1569         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1570                 limit = sizeof tmp - 1;
1571         if (limit <= 0 || limit >= (int)sizeof tmp)
1572                 limit = sizeof tmp - 1;
1573
1574         /* there is nothing to replace (ie EOL) */
1575         fmt += size;
1576         if (*fmt == '\0')
1577                 return (fmt);
1578
1579         switch (*fmt) {
1580         case '<':
1581                 bar_replace_pad(tmp, &limit, sizeof tmp);
1582                 break;
1583         case 'A':
1584                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1585                 break;
1586         case 'C':
1587                 bar_class_name(tmp, sizeof tmp, r);
1588                 break;
1589         case 'D':
1590                 bar_workspace_name(tmp, sizeof tmp, r);
1591                 break;
1592         case 'F':
1593                 bar_window_float(tmp, sizeof tmp, r);
1594                 break;
1595         case 'I':
1596                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1597                 break;
1598         case 'N':
1599                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1600                 break;
1601         case 'P':
1602                 bar_class_title_name(tmp, sizeof tmp, r);
1603                 break;
1604         case 'S':
1605                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1606                 break;
1607         case 'T':
1608                 bar_title_name(tmp, sizeof tmp, r);
1609                 break;
1610         case 'U':
1611                 bar_urgent(tmp, sizeof tmp);
1612                 break;
1613         case 'V':
1614                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1615                 break;
1616         case 'W':
1617                 bar_window_name(tmp, sizeof tmp, r);
1618                 break;
1619         default:
1620                 /* unknown character sequence; copy as-is */
1621                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1622                 break;
1623         }
1624
1625         len = strlen(tmp);
1626         ptr = tmp;
1627         if ((int)len < limit)
1628                 limit = len;
1629         while (limit-- > 0) {
1630                 if (*offrep >= sz - 1)
1631                         break;
1632                 fmtrep[(*offrep)++] = *ptr++;
1633         }
1634
1635         fmt++;
1636         return (fmt);
1637 }
1638
1639 void
1640 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1641 {
1642         size_t                  off;
1643
1644         off = 0;
1645         while (*fmt != '\0') {
1646                 if (*fmt != '+') {
1647                         /* skip ordinary characters */
1648                         if (off >= sz - 1)
1649                                 break;
1650                         fmtrep[off++] = *fmt++;
1651                         continue;
1652                 }
1653
1654                 /* character sequence found; replace it */
1655                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1656                 if (off >= sz - 1)
1657                         break;
1658         }
1659
1660         fmtrep[off] = '\0';
1661 }
1662
1663 void
1664 bar_fmt_expand(char *fmtexp, size_t sz)
1665 {
1666         char                    *fmt = NULL;
1667         size_t                  len;
1668         struct tm               tm;
1669         time_t                  tmt;
1670
1671         /* start by grabbing the current time and date */
1672         time(&tmt);
1673         localtime_r(&tmt, &tm);
1674
1675         /* figure out what to expand */
1676         if (bar_format != NULL)
1677                 fmt = bar_format;
1678         else if (bar_format == NULL && clock_enabled)
1679                 fmt = clock_format;
1680         /* if nothing to expand bail out */
1681         if (fmt == NULL) {
1682                 *fmtexp = '\0';
1683                 return;
1684         }
1685
1686         /* copy as-is, just in case the format shouldn't be expanded below */
1687         strlcpy(fmtexp, fmt, sz);
1688         /* finally pass the string through strftime(3) */
1689 #ifndef SWM_DENY_CLOCK_FORMAT
1690         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1691                 warnx("format too long");
1692         fmtexp[len] = '\0';
1693 #endif
1694 }
1695
1696 void
1697 bar_fmt_print(void)
1698 {
1699         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1700         char                    fmtrep[SWM_BAR_MAX];
1701         int                     i, num_screens;
1702         struct swm_region       *r;
1703
1704         /* expand the format by first passing it through strftime(3) */
1705         bar_fmt_expand(fmtexp, sizeof fmtexp);
1706
1707         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1708         for (i = 0; i < num_screens; i++) {
1709                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1710                         if (r->bar == NULL)
1711                                 continue;
1712                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1713                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1714                         bar_print(r, fmtrep);
1715                 }
1716         }
1717 }
1718
1719 void
1720 bar_update(void)
1721 {
1722         size_t                  len;
1723         char                    *b;
1724
1725         if (bar_enabled == 0)
1726                 return;
1727         if (bar_extra && bar_extra_running) {
1728                 /* ignore short reads; it'll correct itself */
1729                 while ((b = fgetln(stdin, &len)) != NULL)
1730                         if (b && b[len - 1] == '\n') {
1731                                 b[len - 1] = '\0';
1732                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1733                         }
1734                 if (b == NULL && errno != EAGAIN) {
1735                         warn("bar_update: bar_extra failed");
1736                         bar_extra_stop();
1737                 }
1738         } else
1739                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1740
1741         bar_fmt_print();
1742         alarm(bar_delay);
1743 }
1744
1745 void
1746 bar_signal(int sig)
1747 {
1748         bar_alarm = 1;
1749 }
1750
1751 void
1752 bar_toggle(struct swm_region *r, union arg *args)
1753 {
1754         struct swm_region       *tmpr;
1755         int                     i, num_screens;
1756
1757         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1758
1759         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1760         if (bar_enabled) {
1761                 for (i = 0; i < num_screens; i++)
1762                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1763                                 if (tmpr->bar)
1764                                         xcb_unmap_window(conn, tmpr->bar->id);
1765         } else {
1766                 for (i = 0; i < num_screens; i++)
1767                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1768                                 if (tmpr->bar)
1769                                         map_window_raised(tmpr->bar->id);
1770         }
1771
1772         bar_enabled = !bar_enabled;
1773
1774         stack();
1775         /* must be after stack */
1776         bar_update();
1777
1778         xcb_flush(conn);
1779 }
1780
1781 void
1782 bar_refresh(void)
1783 {
1784         struct swm_region       *r;
1785         uint32_t                wa[2];
1786         int                     i, num_screens;
1787
1788         /* do this here because the conf file is in memory */
1789         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1790                 /* launch external status app */
1791                 bar_extra_running = 1;
1792                 if (pipe(bar_pipe) == -1)
1793                         err(1, "pipe error");
1794                 socket_setnonblock(bar_pipe[0]);
1795                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1796                 if (dup2(bar_pipe[0], 0) == -1)
1797                         err(1, "dup2");
1798                 if (dup2(bar_pipe[1], 1) == -1)
1799                         err(1, "dup2");
1800                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1801                         err(1, "could not disable SIGPIPE");
1802                 switch (bar_pid = fork()) {
1803                 case -1:
1804                         err(1, "cannot fork");
1805                         break;
1806                 case 0: /* child */
1807                         close(bar_pipe[0]);
1808                         execvp(bar_argv[0], bar_argv);
1809                         err(1, "%s external app failed", bar_argv[0]);
1810                         break;
1811                 default: /* parent */
1812                         close(bar_pipe[1]);
1813                         break;
1814                 }
1815         }
1816
1817         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1818         for (i = 0; i < num_screens; i++)
1819                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1820                         if (r->bar == NULL)
1821                                 continue;
1822                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1823                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1824                         xcb_change_window_attributes(conn, r->bar->id,
1825                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1826                 }
1827         bar_update();
1828 }
1829
1830 void
1831 bar_setup(struct swm_region *r)
1832 {
1833         char                    *bar_font;
1834         xcb_screen_t            *screen = get_screen(r->s->idx);
1835         uint32_t                wa[3];
1836         xcb_generic_error_t     *error;
1837         xcb_void_cookie_t       voc;
1838
1839         if (bar_fs) {
1840                 xcb_close_font(conn, bar_fs);
1841                 bar_fs = 0;
1842         }
1843
1844         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1845                 err(1, "bar_setup: calloc: failed to allocate memory.");
1846
1847         bar_fs = xcb_generate_id(conn);
1848
1849         while ((bar_font = strsep(&bar_fonts, " ,")) != NULL) {
1850                 if (*bar_font == '\0')
1851                         continue;
1852
1853                 DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", bar_font);
1854                 voc = xcb_open_font_checked(conn, bar_fs, strlen(bar_font),
1855                          bar_font);
1856
1857                 if ((error = xcb_request_check(conn, voc))) {
1858                         DNPRINTF(SWM_D_INIT,
1859                            "bar_setup: unable to open font: %s\n",
1860                             bar_font);
1861                         free(error);
1862                         warnx("unable to load font %s", bar_font);
1863                 } else {
1864                         DNPRINTF(SWM_D_INIT,
1865                            "bar_setup: successfully opened font: %s\n",
1866                            bar_font);
1867                         break;
1868                 }
1869         }
1870
1871 #if 0
1872         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1873
1874         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1875             &num_missing_charsets, &default_string);*/
1876
1877         if (num_missing_charsets > 0) {
1878                 warnx("Unable to load charset(s):");
1879
1880                 for (i = 0; i < num_missing_charsets; ++i)
1881                         warnx("%s", missing_charsets[i]);
1882
1883                 XFreeStringList(missing_charsets);
1884
1885                 if (strcmp(default_string, ""))
1886                         warnx("Glyphs from those sets will be replaced "
1887                             "by '%s'.", default_string);
1888                 else
1889                         warnx("Glyphs from those sets won't be drawn.");
1890         }
1891
1892         if (bar_fs == NULL)
1893                 errx(1, "Error creating font set structure.");
1894
1895         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1896
1897         bar_height = bar_fs_extents->max_logical_extent.height +
1898             2 * bar_border_width;
1899
1900         if (bar_height < 1)
1901                 bar_height = 1;
1902 #else
1903         /* workaround */
1904         bar_height = 24;
1905 #endif
1906         X(r->bar) = X(r);
1907         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1908         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1909         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1910
1911         r->bar->id = xcb_generate_id(conn);
1912         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1913         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1914         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1915         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1916             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1917         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1918             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1919             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1920             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1921             | XCB_CW_EVENT_MASK, wa);
1922
1923         r->bar->buffer = xcb_generate_id(conn);
1924         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1925             WIDTH(r->bar), HEIGHT(r->bar));
1926
1927         xcb_randr_select_input(conn, r->bar->id,
1928             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1929
1930         if (bar_enabled)
1931                 map_window_raised(r->bar->id);
1932
1933         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1934             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1935             HEIGHT(r->bar));
1936
1937         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1938                 err(1, "could not install bar_signal");
1939         bar_refresh();
1940 }
1941
1942 void
1943 bar_cleanup(struct swm_region *r)
1944 {
1945         if (r->bar == NULL)
1946                 return;
1947         xcb_destroy_window(conn, r->bar->id);
1948         xcb_free_pixmap(conn, r->bar->buffer);
1949         free(r->bar);
1950         r->bar = NULL;
1951 }
1952
1953 void
1954 set_win_state(struct ws_win *win, uint16_t state)
1955 {
1956         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1957
1958         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1959
1960         if (win == NULL)
1961                 return;
1962
1963         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1964             a_state, 32, 2, data);
1965 }
1966
1967 uint16_t
1968 getstate(xcb_window_t w)
1969 {
1970         uint16_t                        result = 0;
1971         xcb_get_property_cookie_t       c;
1972         xcb_get_property_reply_t        *r;
1973
1974         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1975         r = xcb_get_property_reply(conn, c, NULL);
1976
1977         if (r) {
1978                 result = *((uint16_t *)xcb_get_property_value(r));
1979                 free(r);
1980         }
1981
1982         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1983             result);
1984         return (result);
1985 }
1986
1987 void
1988 version(struct swm_region *r, union arg *args)
1989 {
1990         bar_version = !bar_version;
1991         if (bar_version)
1992                 snprintf(bar_vertext, sizeof bar_vertext,
1993                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1994         else
1995                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1996         bar_update();
1997
1998         xcb_flush(conn);
1999 }
2000
2001 void
2002 client_msg(struct ws_win *win, xcb_atom_t a)
2003 {
2004         xcb_client_message_event_t      ev;
2005
2006         if (win == NULL)
2007                 return;
2008
2009         bzero(&ev, sizeof ev);
2010         ev.response_type = XCB_CLIENT_MESSAGE;
2011         ev.window = win->id;
2012         ev.type = a_prot;
2013         ev.format = 32;
2014         ev.data.data32[0] = a;
2015         ev.data.data32[1] = XCB_CURRENT_TIME;
2016
2017         xcb_send_event(conn, False, win->id,
2018             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2019 }
2020
2021 /* synthetic response to a ConfigureRequest when not making a change */
2022 void
2023 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2024 {
2025         xcb_configure_notify_event_t ce;
2026
2027         if (win == NULL)
2028                 return;
2029
2030         /* send notification of unchanged state. */
2031         bzero(&ce, sizeof(ce));
2032         ce.response_type = XCB_CONFIGURE_NOTIFY;
2033         ce.x = X(win);
2034         ce.y = Y(win);
2035         ce.width = WIDTH(win);
2036         ce.height = HEIGHT(win);
2037         ce.override_redirect = False;
2038
2039         if (ev == NULL) {
2040                 /* EWMH */
2041                 ce.event = win->id;
2042                 ce.window = win->id;
2043                 ce.border_width = BORDER(win);
2044                 ce.above_sibling = XCB_WINDOW_NONE;
2045         } else {
2046                 /* normal */
2047                 ce.event = ev->window;
2048                 ce.window = ev->window;
2049
2050                 /* make response appear more WM_SIZE_HINTS-compliant */
2051                 if (win->sh.flags)
2052                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2053                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2054                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2055                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2056                             SH_INC_W(win), SH_INC_H(win));
2057
2058                 /* min size */
2059                 if (SH_MIN(win)) {
2060                         /* the hint may be set... to 0! */
2061                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2062                                 ce.width = SH_MIN_W(win);
2063                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2064                                 ce.height = SH_MIN_H(win);
2065                 }
2066
2067                 /* max size */
2068                 if (SH_MAX(win)) {
2069                         /* may also be advertized as 0 */
2070                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2071                                 ce.width = SH_MAX_W(win);
2072                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2073                                 ce.height = SH_MAX_H(win);
2074                 }
2075
2076                 /* resize increment. */
2077                 if (SH_INC(win)) {
2078                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2079                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2080                                     SH_INC_W(win);
2081                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2082                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2083                                     SH_INC_H(win);
2084                 }
2085
2086                 /* adjust x and y for requested border_width. */
2087                 ce.x += BORDER(win) - ev->border_width;
2088                 ce.y += BORDER(win) - ev->border_width;
2089                 ce.border_width = ev->border_width;
2090                 ce.above_sibling = ev->sibling;
2091         }
2092
2093         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2094             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2095             ce.y, ce.width, ce.height, ce.border_width);
2096
2097         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2098                 (char *)&ce);
2099 }
2100
2101 int
2102 count_win(struct workspace *ws, int count_transient)
2103 {
2104         struct ws_win           *win;
2105         int                     count = 0;
2106
2107         TAILQ_FOREACH(win, &ws->winlist, entry) {
2108                 if (count_transient == 0 && win->floating)
2109                         continue;
2110                 if (count_transient == 0 && win->transient)
2111                         continue;
2112                 if (win->iconic)
2113                         continue;
2114                 count++;
2115         }
2116         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2117
2118         return (count);
2119 }
2120
2121 void
2122 quit(struct swm_region *r, union arg *args)
2123 {
2124         DNPRINTF(SWM_D_MISC, "quit\n");
2125         running = 0;
2126 }
2127
2128 void
2129 unmap_window(struct ws_win *win)
2130 {
2131         if (win == NULL)
2132                 return;
2133
2134         /* don't unmap again */
2135         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2136                 return;
2137
2138         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
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         xcb_key_symbols_free(syms);
2209         xcb_flush(conn);
2210         xcb_disconnect(conn);
2211
2212         execvp(start_argv[0], start_argv);
2213         warn("execvp failed");
2214         quit(NULL, NULL);
2215 }
2216
2217 struct swm_region *
2218 root_to_region(xcb_window_t root)
2219 {
2220         struct swm_region               *r = NULL;
2221         int                             i, num_screens;
2222         xcb_query_pointer_reply_t       *qpr;
2223
2224         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2225
2226         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2227         for (i = 0; i < num_screens; i++)
2228                 if (screens[i].root == root)
2229                         break;
2230
2231         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2232             screens[i].root), NULL);
2233
2234         if (qpr) {
2235                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2236                     qpr->root_x, qpr->root_y);
2237                 /* choose a region based on pointer location */
2238                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2239                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2240                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2241                                 break;
2242                 free(qpr);
2243         }
2244
2245         if (r == NULL)
2246                 r = TAILQ_FIRST(&screens[i].rl);
2247
2248         return (r);
2249 }
2250
2251 struct ws_win *
2252 find_unmanaged_window(xcb_window_t id)
2253 {
2254         struct ws_win           *win;
2255         int                     i, j, num_screens;
2256
2257         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2258         for (i = 0; i < num_screens; i++)
2259                 for (j = 0; j < workspace_limit; j++)
2260                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2261                             entry)
2262                                 if (id == win->id)
2263                                         return (win);
2264         return (NULL);
2265 }
2266
2267 struct ws_win *
2268 find_window(xcb_window_t id)
2269 {
2270         struct ws_win           *win;
2271         int                     i, j, num_screens;
2272         xcb_query_tree_reply_t  *r;
2273
2274         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2275         for (i = 0; i < num_screens; i++)
2276                 for (j = 0; j < workspace_limit; j++)
2277                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2278                                 if (id == win->id)
2279                                         return (win);
2280
2281         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2282         if (!r)
2283                 return (NULL);
2284
2285         /* if we were looking for the parent return that window instead */
2286         if (r->parent == 0 || r->root == r->parent)
2287                 return (NULL);
2288
2289         /* look for parent */
2290         for (i = 0; i < num_screens; i++)
2291                 for (j = 0; j < workspace_limit; j++)
2292                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2293                                 if (r->parent == win->id) {
2294                                         free(r);
2295                                         return (win);
2296                                 }
2297
2298         free(r);
2299         return (NULL);
2300 }
2301
2302 void
2303 spawn(int ws_idx, union arg *args, int close_fd)
2304 {
2305         int                     fd;
2306         char                    *ret = NULL;
2307
2308         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2309
2310         close(xcb_get_file_descriptor(conn));
2311
2312         setenv("LD_PRELOAD", SWM_LIB, 1);
2313
2314         if (asprintf(&ret, "%d", ws_idx) == -1) {
2315                 warn("spawn: asprintf SWM_WS");
2316                 _exit(1);
2317         }
2318         setenv("_SWM_WS", ret, 1);
2319         free(ret);
2320         ret = NULL;
2321
2322         if (asprintf(&ret, "%d", getpid()) == -1) {
2323                 warn("spawn: asprintf _SWM_PID");
2324                 _exit(1);
2325         }
2326         setenv("_SWM_PID", ret, 1);
2327         free(ret);
2328         ret = NULL;
2329
2330         if (setsid() == -1) {
2331                 warn("spawn: setsid");
2332                 _exit(1);
2333         }
2334
2335         if (close_fd) {
2336                 /*
2337                  * close stdin and stdout to prevent interaction between apps
2338                  * and the baraction script
2339                  * leave stderr open to record errors
2340                 */
2341                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2342                         warn("spawn: open");
2343                         _exit(1);
2344                 }
2345                 dup2(fd, STDIN_FILENO);
2346                 dup2(fd, STDOUT_FILENO);
2347                 if (fd > 2)
2348                         close(fd);
2349         }
2350
2351         execvp(args->argv[0], args->argv);
2352
2353         warn("spawn: execvp");
2354         _exit(1);
2355 }
2356
2357 void
2358 kill_refs(struct ws_win *win)
2359 {
2360         int                     i, x, num_screens;
2361         struct swm_region       *r;
2362         struct workspace        *ws;
2363
2364         if (win == NULL)
2365                 return;
2366
2367         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2368         for (i = 0; i < num_screens; i++)
2369                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2370                         for (x = 0; x < workspace_limit; x++) {
2371                                 ws = &r->s->ws[x];
2372                                 if (win == ws->focus)
2373                                         ws->focus = NULL;
2374                                 if (win == ws->focus_prev)
2375                                         ws->focus_prev = NULL;
2376                         }
2377 }
2378
2379 int
2380 validate_win(struct ws_win *testwin)
2381 {
2382         struct ws_win           *win;
2383         struct workspace        *ws;
2384         struct swm_region       *r;
2385         int                     i, x, num_screens;
2386
2387         if (testwin == NULL)
2388                 return (0);
2389
2390         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2391         for (i = 0; i < num_screens; i++)
2392                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2393                         for (x = 0; x < workspace_limit; x++) {
2394                                 ws = &r->s->ws[x];
2395                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2396                                         if (win == testwin)
2397                                                 return (0);
2398                         }
2399         return (1);
2400 }
2401
2402 int
2403 validate_ws(struct workspace *testws)
2404 {
2405         struct swm_region       *r;
2406         struct workspace        *ws;
2407         int                     i, x, num_screens;
2408
2409         /* validate all ws */
2410         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2411         for (i = 0; i < num_screens; i++)
2412                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2413                         for (x = 0; x < workspace_limit; x++) {
2414                                 ws = &r->s->ws[x];
2415                                 if (ws == testws)
2416                                         return (0);
2417                         }
2418         return (1);
2419 }
2420
2421 void
2422 unfocus_win(struct ws_win *win)
2423 {
2424         xcb_window_t            none = XCB_WINDOW_NONE;
2425
2426         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2427
2428         if (win == NULL)
2429                 return;
2430         if (win->ws == NULL)
2431                 return;
2432
2433         if (validate_ws(win->ws))
2434                 return; /* XXX this gets hit with thunderbird, needs fixing */
2435
2436         if (win->ws->r == NULL)
2437                 return;
2438
2439         if (validate_win(win)) {
2440                 kill_refs(win);
2441                 return;
2442         }
2443
2444         if (win->ws->focus == win) {
2445                 win->ws->focus = NULL;
2446                 win->ws->focus_prev = win;
2447         }
2448
2449         if (validate_win(win->ws->focus)) {
2450                 kill_refs(win->ws->focus);
2451                 win->ws->focus = NULL;
2452         }
2453         if (validate_win(win->ws->focus_prev)) {
2454                 kill_refs(win->ws->focus_prev);
2455                 win->ws->focus_prev = NULL;
2456         }
2457
2458         grabbuttons(win, 0);
2459         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2460             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2461         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2462             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2463 }
2464
2465 void
2466 unfocus_all(void)
2467 {
2468         struct ws_win           *win;
2469         int                     i, j, num_screens;
2470
2471         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2472
2473         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2474         for (i = 0; i < num_screens; i++)
2475                 for (j = 0; j < workspace_limit; j++)
2476                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2477                                 unfocus_win(win);
2478 }
2479
2480 void
2481 focus_win(struct ws_win *win)
2482 {
2483         struct ws_win           *cfw = NULL;
2484         xcb_get_input_focus_reply_t     *r;
2485         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2486
2487         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2488
2489         if (win == NULL)
2490                 return;
2491         if (win->ws == NULL)
2492                 return;
2493
2494         if (validate_ws(win->ws))
2495                 return; /* XXX this gets hit with thunderbird, needs fixing */
2496
2497         if (validate_win(win)) {
2498                 kill_refs(win);
2499                 return;
2500         }
2501
2502         if (validate_win(win)) {
2503                 kill_refs(win);
2504                 return;
2505         }
2506
2507         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2508         if (r) {
2509                 cur_focus = r->focus;
2510                 free(r);
2511         }
2512         if ((cfw = find_window(cur_focus)) != NULL)
2513                 unfocus_win(cfw);
2514         else {
2515                 /* use larger hammer since the window was killed somehow */
2516                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2517                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2518                                 xcb_change_window_attributes(conn, cfw->id,
2519                                     XCB_CW_BORDER_PIXEL,
2520                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2521         }
2522
2523         win->ws->focus = win;
2524
2525         if (win->ws->r != NULL) {
2526                 if (win->java == 0)
2527                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2528                             win->id, XCB_CURRENT_TIME);
2529                 grabbuttons(win, 1);
2530                 xcb_change_window_attributes(conn, win->id,
2531                         XCB_CW_BORDER_PIXEL,
2532                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2533                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2534                     win->ws->always_raise)
2535                         map_window_raised(win->id);
2536
2537                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2538                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2539                     &win->id);
2540         }
2541
2542         bar_update();
2543 }
2544
2545 void
2546 event_drain(uint8_t rt)
2547 {
2548         xcb_generic_event_t     *evt;
2549
2550         xcb_flush(conn);
2551         while ((evt = xcb_poll_for_event(conn))) {
2552                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2553                         event_handle(evt);
2554
2555                 free(evt);
2556         }
2557 }
2558
2559 void
2560 switchws(struct swm_region *r, union arg *args)
2561 {
2562         int                     wsid = args->id, unmap_old = 0;
2563         struct swm_region       *this_r, *other_r;
2564         struct ws_win           *win;
2565         struct workspace        *new_ws, *old_ws;
2566         union arg               a;
2567
2568         if (!(r && r->s))
2569                 return;
2570
2571         if (wsid >= workspace_limit)
2572                 return;
2573
2574         this_r = r;
2575         old_ws = this_r->ws;
2576         new_ws = &this_r->s->ws[wsid];
2577
2578         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2579             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2580
2581         if (new_ws == NULL || old_ws == NULL)
2582                 return;
2583         if (new_ws == old_ws)
2584                 return;
2585
2586         other_r = new_ws->r;
2587         if (other_r == NULL) {
2588                 /* the other workspace is hidden, hide this one */
2589                 old_ws->r = NULL;
2590                 unmap_old = 1;
2591         } else {
2592                 /* the other ws is visible in another region, exchange them */
2593                 other_r->ws_prior = new_ws;
2594                 other_r->ws = old_ws;
2595                 old_ws->r = other_r;
2596         }
2597         this_r->ws_prior = old_ws;
2598         this_r->ws = new_ws;
2599         new_ws->r = this_r;
2600
2601         /* this is needed so that we can click on a window after a restart */
2602         unfocus_all();
2603
2604         stack();
2605         a.id = SWM_ARG_ID_FOCUSCUR;
2606         focus(new_ws->r, &a);
2607
2608         /* unmap old windows */
2609         if (unmap_old)
2610                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2611                         unmap_window(win);
2612
2613         if (focus_mode == SWM_FOCUS_DEFAULT)
2614                 event_drain(XCB_ENTER_NOTIFY);
2615         else
2616                 xcb_flush(conn);
2617 }
2618
2619 void
2620 cyclews(struct swm_region *r, union arg *args)
2621 {
2622         union                   arg a;
2623         struct swm_screen       *s = r->s;
2624         int                     cycle_all = 0;
2625
2626         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2627             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2628
2629         a.id = r->ws->idx;
2630         do {
2631                 switch (args->id) {
2632                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2633                         cycle_all = 1;
2634                         /* FALLTHROUGH */
2635                 case SWM_ARG_ID_CYCLEWS_UP:
2636                         if (a.id < workspace_limit - 1)
2637                                 a.id++;
2638                         else
2639                                 a.id = 0;
2640                         break;
2641                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2642                         cycle_all = 1;
2643                         /* FALLTHROUGH */
2644                 case SWM_ARG_ID_CYCLEWS_DOWN:
2645                         if (a.id > 0)
2646                                 a.id--;
2647                         else
2648                                 a.id = workspace_limit - 1;
2649                         break;
2650                 default:
2651                         return;
2652                 };
2653
2654                 if (!cycle_all &&
2655                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2656                         continue;
2657                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2658                         continue;
2659
2660                 switchws(r, &a);
2661         } while (a.id != r->ws->idx);
2662 }
2663
2664 void
2665 priorws(struct swm_region *r, union arg *args)
2666 {
2667         union arg               a;
2668
2669         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2670             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2671
2672         if (r->ws_prior == NULL)
2673                 return;
2674
2675         a.id = r->ws_prior->idx;
2676         switchws(r, &a);
2677 }
2678
2679 void
2680 cyclescr(struct swm_region *r, union arg *args)
2681 {
2682         struct swm_region       *rr = NULL;
2683         union arg               a;
2684         int                     i, x, y, num_screens;
2685
2686         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2687         /* do nothing if we don't have more than one screen */
2688         if (!(num_screens > 1 || outputs > 1))
2689                 return;
2690
2691         i = r->s->idx;
2692         switch (args->id) {
2693         case SWM_ARG_ID_CYCLESC_UP:
2694                 rr = TAILQ_NEXT(r, entry);
2695                 if (rr == NULL)
2696                         rr = TAILQ_FIRST(&screens[i].rl);
2697                 break;
2698         case SWM_ARG_ID_CYCLESC_DOWN:
2699                 rr = TAILQ_PREV(r, swm_region_list, entry);
2700                 if (rr == NULL)
2701                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2702                 break;
2703         default:
2704                 return;
2705         };
2706         if (rr == NULL)
2707                 return;
2708
2709         /* move mouse to region */
2710         x = X(rr) + 1;
2711         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2712         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2713             x, y);
2714
2715         a.id = SWM_ARG_ID_FOCUSCUR;
2716         focus(rr, &a);
2717
2718         if (rr->ws->focus) {
2719                 /* move to focus window */
2720                 x = X(rr->ws->focus) + 1;
2721                 y = Y(rr->ws->focus) + 1;
2722                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2723                     0, x, y);
2724         }
2725 }
2726
2727 void
2728 sort_windows(struct ws_win_list *wl)
2729 {
2730         struct ws_win           *win, *parent, *nxt;
2731
2732         if (wl == NULL)
2733                 return;
2734
2735         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2736                 nxt = TAILQ_NEXT(win, entry);
2737                 if (win->transient) {
2738                         parent = find_window(win->transient);
2739                         if (parent == NULL) {
2740                                 warnx("not possible bug");
2741                                 continue;
2742                         }
2743                         TAILQ_REMOVE(wl, win, entry);
2744                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2745                 }
2746         }
2747
2748 }
2749
2750 void
2751 swapwin(struct swm_region *r, union arg *args)
2752 {
2753         struct ws_win           *target, *source;
2754         struct ws_win           *cur_focus;
2755         struct ws_win_list      *wl;
2756
2757
2758         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2759             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2760
2761         cur_focus = r->ws->focus;
2762         if (cur_focus == NULL)
2763                 return;
2764
2765         source = cur_focus;
2766         wl = &source->ws->winlist;
2767
2768         switch (args->id) {
2769         case SWM_ARG_ID_SWAPPREV:
2770                 if (source->transient)
2771                         source = find_window(source->transient);
2772                 target = TAILQ_PREV(source, ws_win_list, entry);
2773                 if (target && target->transient)
2774                         target = find_window(target->transient);
2775                 TAILQ_REMOVE(wl, source, entry);
2776                 if (target == NULL)
2777                         TAILQ_INSERT_TAIL(wl, source, entry);
2778                 else
2779                         TAILQ_INSERT_BEFORE(target, source, entry);
2780                 break;
2781         case SWM_ARG_ID_SWAPNEXT:
2782                 target = TAILQ_NEXT(source, entry);
2783                 /* move the parent and let the sort handle the move */
2784                 if (source->transient)
2785                         source = find_window(source->transient);
2786                 TAILQ_REMOVE(wl, source, entry);
2787                 if (target == NULL)
2788                         TAILQ_INSERT_HEAD(wl, source, entry);
2789                 else
2790                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2791                 break;
2792         case SWM_ARG_ID_SWAPMAIN:
2793                 target = TAILQ_FIRST(wl);
2794                 if (target == source) {
2795                         if (source->ws->focus_prev != NULL &&
2796                             source->ws->focus_prev != target)
2797                                 source = source->ws->focus_prev;
2798                         else
2799                                 return;
2800                 }
2801                 if (target == NULL || source == NULL)
2802                         return;
2803                 source->ws->focus_prev = target;
2804                 TAILQ_REMOVE(wl, target, entry);
2805                 TAILQ_INSERT_BEFORE(source, target, entry);
2806                 TAILQ_REMOVE(wl, source, entry);
2807                 TAILQ_INSERT_HEAD(wl, source, entry);
2808                 break;
2809         case SWM_ARG_ID_MOVELAST:
2810                 TAILQ_REMOVE(wl, source, entry);
2811                 TAILQ_INSERT_TAIL(wl, source, entry);
2812                 break;
2813         default:
2814                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2815                 return;
2816         }
2817
2818         sort_windows(wl);
2819
2820         stack();
2821
2822         xcb_flush(conn);
2823 }
2824
2825 void
2826 focus_prev(struct ws_win *win)
2827 {
2828         struct ws_win           *winfocus = NULL;
2829         struct ws_win           *cur_focus = NULL;
2830         struct ws_win_list      *wl = NULL;
2831         struct workspace        *ws = NULL;
2832
2833         if (!(win && win->ws))
2834                 return;
2835
2836         ws = win->ws;
2837         wl = &ws->winlist;
2838         cur_focus = ws->focus;
2839
2840         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2841             WINID(win), WINID(cur_focus));
2842
2843         /* pickle, just focus on whatever */
2844         if (cur_focus == NULL) {
2845                 /* use prev_focus if valid */
2846                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2847                     find_window(WINID(ws->focus_prev)))
2848                         winfocus = ws->focus_prev;
2849                 goto done;
2850         }
2851
2852         /* if transient focus on parent */
2853         if (cur_focus->transient) {
2854                 winfocus = find_window(cur_focus->transient);
2855                 goto done;
2856         }
2857
2858         /* if in max_stack try harder */
2859         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2860             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2861                 if (cur_focus != ws->focus_prev)
2862                         winfocus = ws->focus_prev;
2863                 else
2864                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2865                 if (winfocus)
2866                         goto done;
2867         }
2868
2869         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2870
2871         if (winfocus == NULL || winfocus == win) {
2872                 switch (focus_close) {
2873                 case SWM_STACK_BOTTOM:
2874                         winfocus = TAILQ_FIRST(wl);
2875                         break;
2876                 case SWM_STACK_TOP:
2877                         winfocus = TAILQ_LAST(wl, ws_win_list);
2878                         break;
2879                 case SWM_STACK_ABOVE:
2880                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2881                                 if (focus_close_wrap)
2882                                         winfocus = TAILQ_FIRST(wl);
2883                                 else
2884                                         winfocus = TAILQ_PREV(cur_focus,
2885                                             ws_win_list, entry);
2886                         }
2887                         break;
2888                 case SWM_STACK_BELOW:
2889                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2890                             entry)) == NULL) {
2891                                 if (focus_close_wrap)
2892                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2893                                 else
2894                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2895                         }
2896                         break;
2897                 }
2898         }
2899 done:
2900         if (winfocus == NULL) {
2901                 if (focus_default == SWM_STACK_TOP)
2902                         winfocus = TAILQ_LAST(wl, ws_win_list);
2903                 else
2904                         winfocus = TAILQ_FIRST(wl);
2905         }
2906
2907         kill_refs(win);
2908         focus_magic(winfocus);
2909 }
2910
2911 void
2912 focus(struct swm_region *r, union arg *args)
2913 {
2914         struct ws_win           *winfocus = NULL, *head;
2915         struct ws_win           *cur_focus = NULL;
2916         struct ws_win_list      *wl = NULL;
2917         struct workspace        *ws = NULL;
2918         int                     all_iconics;
2919
2920         if (!(r && r->ws))
2921                 return;
2922
2923         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2924
2925         /* treat FOCUS_CUR special */
2926         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2927                 if (r->ws->focus && r->ws->focus->iconic == 0)
2928                         winfocus = r->ws->focus;
2929                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2930                         winfocus = r->ws->focus_prev;
2931                 else
2932                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2933                                 if (winfocus->iconic == 0)
2934                                         break;
2935
2936                 focus_magic(winfocus);
2937                 return;
2938         }
2939
2940         if ((cur_focus = r->ws->focus) == NULL)
2941                 return;
2942         ws = r->ws;
2943         wl = &ws->winlist;
2944         if (TAILQ_EMPTY(wl))
2945                 return;
2946         /* make sure there is at least one uniconified window */
2947         all_iconics = 1;
2948         TAILQ_FOREACH(winfocus, wl, entry)
2949                 if (winfocus->iconic == 0) {
2950                         all_iconics = 0;
2951                         break;
2952                 }
2953         if (all_iconics)
2954                 return;
2955
2956         switch (args->id) {
2957         case SWM_ARG_ID_FOCUSPREV:
2958                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2959                 if (head == NULL)
2960                         head = TAILQ_LAST(wl, ws_win_list);
2961                 winfocus = head;
2962                 if (WINID(winfocus) == cur_focus->transient) {
2963                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2964                         if (head == NULL)
2965                                 head = TAILQ_LAST(wl, ws_win_list);
2966                         winfocus = head;
2967                 }
2968
2969                 /* skip iconics */
2970                 if (winfocus && winfocus->iconic) {
2971                         while (winfocus != cur_focus) {
2972                                 if (winfocus == NULL)
2973                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2974                                 if (winfocus->iconic == 0)
2975                                         break;
2976                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2977                                     entry);
2978                         }
2979                 }
2980                 break;
2981
2982         case SWM_ARG_ID_FOCUSNEXT:
2983                 head = TAILQ_NEXT(cur_focus, entry);
2984                 if (head == NULL)
2985                         head = TAILQ_FIRST(wl);
2986                 winfocus = head;
2987
2988                 /* skip iconics */
2989                 if (winfocus && winfocus->iconic) {
2990                         while (winfocus != cur_focus) {
2991                                 if (winfocus == NULL)
2992                                         winfocus = TAILQ_FIRST(wl);
2993                                 if (winfocus->iconic == 0)
2994                                         break;
2995                                 winfocus = TAILQ_NEXT(winfocus, entry);
2996                         }
2997                 }
2998                 break;
2999
3000         case SWM_ARG_ID_FOCUSMAIN:
3001                 winfocus = TAILQ_FIRST(wl);
3002                 if (winfocus == cur_focus)
3003                         winfocus = cur_focus->ws->focus_prev;
3004                 break;
3005
3006         default:
3007                 return;
3008         }
3009
3010         focus_magic(winfocus);
3011
3012         xcb_flush(conn);
3013 }
3014
3015 void
3016 cycle_layout(struct swm_region *r, union arg *args)
3017 {
3018         struct workspace        *ws = r->ws;
3019         union arg               a;
3020
3021         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3022
3023         ws->cur_layout++;
3024         if (ws->cur_layout->l_stack == NULL)
3025                 ws->cur_layout = &layouts[0];
3026
3027         stack();
3028         bar_update();
3029
3030         if (focus_mode == SWM_FOCUS_DEFAULT)
3031                 event_drain(XCB_ENTER_NOTIFY);
3032
3033         a.id = SWM_ARG_ID_FOCUSCUR;
3034         focus(r, &a);
3035 }
3036
3037 void
3038 stack_config(struct swm_region *r, union arg *args)
3039 {
3040         struct workspace        *ws = r->ws;
3041
3042         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3043             args->id, ws->idx);
3044
3045         if (ws->cur_layout->l_config != NULL)
3046                 ws->cur_layout->l_config(ws, args->id);
3047
3048         if (args->id != SWM_ARG_ID_STACKINIT)
3049                 stack();
3050         bar_update();
3051 }
3052
3053 void
3054 stack(void) {
3055         struct swm_geometry     g;
3056         struct swm_region       *r;
3057         int                     i, num_screens;
3058 #ifdef SWM_DEBUG
3059         int j;
3060 #endif
3061
3062         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3063
3064         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3065         for (i = 0; i < num_screens; i++) {
3066 #ifdef SWM_DEBUG
3067                 j = 0;
3068 #endif
3069                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3070                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3071                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3072
3073                         /* start with screen geometry, adjust for bar */
3074                         g = r->g;
3075                         g.w -= 2 * border_width;
3076                         g.h -= 2 * border_width;
3077                         if (bar_enabled) {
3078                                 if (!bar_at_bottom)
3079                                         g.y += bar_height;
3080                                 g.h -= bar_height;
3081                         }
3082                         r->ws->cur_layout->l_stack(r->ws, &g);
3083                         r->ws->cur_layout->l_string(r->ws);
3084                         /* save r so we can track region changes */
3085                         r->ws->old_r = r;
3086                 }
3087         }
3088         if (font_adjusted)
3089                 font_adjusted--;
3090
3091         if (focus_mode == SWM_FOCUS_DEFAULT)
3092                 event_drain(XCB_ENTER_NOTIFY);
3093
3094         DNPRINTF(SWM_D_STACK, "stack: end\n");
3095 }
3096
3097 void
3098 store_float_geom(struct ws_win *win, struct swm_region *r)
3099 {
3100         /* retain window geom and region geom */
3101         win->g_float = win->g;
3102         win->g_float.x -= X(r);
3103         win->g_float.y -= Y(r);
3104         win->g_floatvalid = 1;
3105         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3106             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3107             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3108             win->g_float.w, win->g_float.h);
3109 }
3110
3111 void
3112 stack_floater(struct ws_win *win, struct swm_region *r)
3113 {
3114         if (win == NULL)
3115                 return;
3116
3117         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3118
3119         /*
3120          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3121          * geom on ws switches or return from max mode
3122          */
3123         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3124             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3125                 /* refloat at last floating relative position */
3126                 win->g = win->g_float;
3127                 X(win) += X(r);
3128                 Y(win) += Y(r);
3129         }
3130
3131         win->floatmaxed = 0;
3132
3133         /*
3134          * if set to fullscreen mode, configure window to maximum size.
3135          */
3136         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3137                 if (!win->g_floatvalid)
3138                         store_float_geom(win, win->ws->r);
3139
3140                 win->g = win->ws->r->g;
3141         }
3142
3143         /*
3144          * remove border on fullscreen floater when in fullscreen mode or when
3145          * the quirk is present.
3146          */
3147         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3148             ((win->quirks & SWM_Q_FULLSCREEN) &&
3149              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3150                 if (win->bordered) {
3151                         win->bordered = 0;
3152                         X(win) += border_width;
3153                         Y(win) += border_width;
3154                 }
3155         } else if (!win->bordered) {
3156                 win->bordered = 1;
3157                 X(win) -= border_width;
3158                 Y(win) -= border_width;
3159         }
3160
3161         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3162                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3163                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3164         }
3165
3166         if (!win->manual) {
3167                 /*
3168                  * floaters and transients are auto-centred unless moved
3169                  * or resized
3170                  */
3171                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3172                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3173         }
3174
3175         /* keep window within region bounds */
3176         constrain_window(win, r, 0);
3177
3178         update_window(win);
3179 }
3180
3181 /*
3182  * Send keystrokes to terminal to decrease/increase the font size as the
3183  * window size changes.
3184  */
3185 void
3186 adjust_font(struct ws_win *win)
3187 {
3188         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3189             win->floating || win->transient)
3190                 return;
3191
3192         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3193             WIDTH(win) / win->sh.width_inc < term_width &&
3194             win->font_steps < SWM_MAX_FONT_STEPS) {
3195                 win->font_size_boundary[win->font_steps] =
3196                     (win->sh.width_inc * term_width) + win->sh.base_width;
3197                 win->font_steps++;
3198                 font_adjusted++;
3199                 win->last_inc = win->sh.width_inc;
3200                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3201         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3202             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3203                 win->font_steps--;
3204                 font_adjusted++;
3205                 win->last_inc = win->sh.width_inc;
3206                 fake_keypress(win, XK_KP_Add, ShiftMask);
3207         }
3208 }
3209
3210 #define SWAPXY(g)       do {                            \
3211         int tmp;                                        \
3212         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3213         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3214 } while (0)
3215 void
3216 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3217 {
3218         struct swm_geometry     win_g, r_g = *g;
3219         struct ws_win           *win, *fs_win = NULL;
3220         int                     i, j, s, stacks;
3221         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3222         int                     hrh, extra = 0, h_slice, last_h = 0;
3223         int                     split, colno, winno, mwin, msize, mscale;
3224         int                     remain, missing, v_slice, reconfigure;
3225         int                     bordered = 1;
3226         xcb_get_window_attributes_reply_t *war;
3227
3228         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3229             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3230
3231         winno = count_win(ws, 0);
3232         if (winno == 0 && count_win(ws, 1) == 0)
3233                 return;
3234
3235         TAILQ_FOREACH(win, &ws->winlist, entry)
3236                 if (win->transient == 0 && win->floating == 0
3237                     && win->iconic == 0)
3238                         break;
3239
3240         if (win == NULL)
3241                 goto notiles;
3242
3243         if (rot) {
3244                 w_inc = win->sh.width_inc;
3245                 w_base = win->sh.base_width;
3246                 mwin = ws->l_state.horizontal_mwin;
3247                 mscale = ws->l_state.horizontal_msize;
3248                 stacks = ws->l_state.horizontal_stacks;
3249                 SWAPXY(&r_g);
3250         } else {
3251                 w_inc = win->sh.height_inc;
3252                 w_base = win->sh.base_height;
3253                 mwin = ws->l_state.vertical_mwin;
3254                 mscale = ws->l_state.vertical_msize;
3255                 stacks = ws->l_state.vertical_stacks;
3256         }
3257         win_g = r_g;
3258
3259         if (stacks > winno - mwin)
3260                 stacks = winno - mwin;
3261         if (stacks < 1)
3262                 stacks = 1;
3263
3264         h_slice = r_g.h / SWM_H_SLICE;
3265         if (mwin && winno > mwin) {
3266                 v_slice = r_g.w / SWM_V_SLICE;
3267
3268                 split = mwin;
3269                 colno = split;
3270                 win_g.w = v_slice * mscale;
3271
3272                 if (w_inc > 1 && w_inc < v_slice) {
3273                         /* adjust for window's requested size increment */
3274                         remain = (win_g.w - w_base) % w_inc;
3275                         win_g.w -= remain;
3276                 }
3277
3278                 msize = win_g.w;
3279                 if (flip)
3280                         win_g.x += r_g.w - msize;
3281         } else {
3282                 msize = -2;
3283                 colno = split = winno / stacks;
3284                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3285                     2 * border_width) / stacks);
3286         }
3287         hrh = r_g.h / colno;
3288         extra = r_g.h - (colno * hrh);
3289         win_g.h = hrh - 2 * border_width;
3290
3291         /*  stack all the tiled windows */
3292         i = j = 0, s = stacks;
3293         TAILQ_FOREACH(win, &ws->winlist, entry) {
3294                 if (win->transient != 0 || win->floating != 0)
3295                         continue;
3296                 if (win->iconic != 0)
3297                         continue;
3298
3299                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3300                         fs_win = win;
3301                         continue;
3302                 }
3303
3304                 if (split && i == split) {
3305                         colno = (winno - mwin) / stacks;
3306                         if (s <= (winno - mwin) % stacks)
3307                                 colno++;
3308                         split = split + colno;
3309                         hrh = (r_g.h / colno);
3310                         extra = r_g.h - (colno * hrh);
3311                         if (flip)
3312                                 win_g.x = r_g.x;
3313                         else
3314                                 win_g.x += win_g.w + 2 * border_width;
3315                         win_g.w = (r_g.w - msize -
3316                             (stacks * 2 * border_width)) / stacks;
3317                         if (s == 1)
3318                                 win_g.w += (r_g.w - msize -
3319                                     (stacks * 2 * border_width)) % stacks;
3320                         s--;
3321                         j = 0;
3322                 }
3323                 win_g.h = hrh - 2 * border_width;
3324                 if (rot) {
3325                         h_inc = win->sh.width_inc;
3326                         h_base = win->sh.base_width;
3327                 } else {
3328                         h_inc = win->sh.height_inc;
3329                         h_base = win->sh.base_height;
3330                 }
3331                 if (j == colno - 1) {
3332                         win_g.h = hrh + extra;
3333                 } else if (h_inc > 1 && h_inc < h_slice) {
3334                         /* adjust for window's requested size increment */
3335                         remain = (win_g.h - h_base) % h_inc;
3336                         missing = h_inc - remain;
3337
3338                         if (missing <= extra || j == 0) {
3339                                 extra -= missing;
3340                                 win_g.h += missing;
3341                         } else {
3342                                 win_g.h -= remain;
3343                                 extra += remain;
3344                         }
3345                 }
3346
3347                 if (j == 0)
3348                         win_g.y = r_g.y;
3349                 else
3350                         win_g.y += last_h + 2 * border_width;
3351
3352                 if (disable_border && bar_enabled == 0 && winno == 1){
3353                         bordered = 0;
3354                         win_g.w += 2 * border_width;
3355                         win_g.h += 2 * border_width;
3356                 } else {
3357                         bordered = 1;
3358                 }
3359                 if (rot) {
3360                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3361                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3362                                 reconfigure = 1;
3363                                 X(win) = win_g.y;
3364                                 Y(win) = win_g.x;
3365                                 WIDTH(win) = win_g.h;
3366                                 HEIGHT(win) = win_g.w;
3367                         }
3368                 } else {
3369                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3370                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3371                                 reconfigure = 1;
3372                                 X(win) = win_g.x;
3373                                 Y(win) = win_g.y;
3374                                 WIDTH(win) = win_g.w;
3375                                 HEIGHT(win) = win_g.h;
3376                         }
3377                 }
3378
3379                 if (bordered != win->bordered) {
3380                         reconfigure = 1;
3381                         win->bordered = bordered;
3382                 }
3383
3384                 if (reconfigure) {
3385                         adjust_font(win);
3386                         update_window(win);
3387                 }
3388
3389                 war = xcb_get_window_attributes_reply(conn,
3390                         xcb_get_window_attributes(conn, win->id),
3391                         NULL);
3392                 if (war) {
3393                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3394                                 map_window_raised(win->id);
3395                         free(war);
3396                 }
3397
3398                 last_h = win_g.h;
3399                 i++;
3400                 j++;
3401         }
3402
3403 notiles:
3404         /* now, stack all the floaters and transients */
3405         TAILQ_FOREACH(win, &ws->winlist, entry) {
3406                 if (win->transient == 0 && win->floating == 0)
3407                         continue;
3408                 if (win->iconic == 1)
3409                         continue;
3410                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3411                         fs_win = win;
3412                         continue;
3413                 }
3414
3415                 stack_floater(win, ws->r);
3416                 map_window_raised(win->id);
3417         }
3418
3419         if (fs_win) {
3420                 stack_floater(fs_win, ws->r);
3421                 map_window_raised(fs_win->id);
3422         }
3423 }
3424
3425 void
3426 vertical_config(struct workspace *ws, int id)
3427 {
3428         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3429             id, ws->idx);
3430
3431         switch (id) {
3432         case SWM_ARG_ID_STACKRESET:
3433         case SWM_ARG_ID_STACKINIT:
3434                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3435                 ws->l_state.vertical_mwin = 1;
3436                 ws->l_state.vertical_stacks = 1;
3437                 break;
3438         case SWM_ARG_ID_MASTERSHRINK:
3439                 if (ws->l_state.vertical_msize > 1)
3440                         ws->l_state.vertical_msize--;
3441                 break;
3442         case SWM_ARG_ID_MASTERGROW:
3443                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3444                         ws->l_state.vertical_msize++;
3445                 break;
3446         case SWM_ARG_ID_MASTERADD:
3447                 ws->l_state.vertical_mwin++;
3448                 break;
3449         case SWM_ARG_ID_MASTERDEL:
3450                 if (ws->l_state.vertical_mwin > 0)
3451                         ws->l_state.vertical_mwin--;
3452                 break;
3453         case SWM_ARG_ID_STACKINC:
3454                 ws->l_state.vertical_stacks++;
3455                 break;
3456         case SWM_ARG_ID_STACKDEC:
3457                 if (ws->l_state.vertical_stacks > 1)
3458                         ws->l_state.vertical_stacks--;
3459                 break;
3460         case SWM_ARG_ID_FLIPLAYOUT:
3461                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3462                 break;
3463         default:
3464                 return;
3465         }
3466 }
3467
3468 void
3469 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3470 {
3471         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3472
3473         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3474 }
3475
3476 void
3477 horizontal_config(struct workspace *ws, int id)
3478 {
3479         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3480
3481         switch (id) {
3482         case SWM_ARG_ID_STACKRESET:
3483         case SWM_ARG_ID_STACKINIT:
3484                 ws->l_state.horizontal_mwin = 1;
3485                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3486                 ws->l_state.horizontal_stacks = 1;
3487                 break;
3488         case SWM_ARG_ID_MASTERSHRINK:
3489                 if (ws->l_state.horizontal_msize > 1)
3490                         ws->l_state.horizontal_msize--;
3491                 break;
3492         case SWM_ARG_ID_MASTERGROW:
3493                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3494                         ws->l_state.horizontal_msize++;
3495                 break;
3496         case SWM_ARG_ID_MASTERADD:
3497                 ws->l_state.horizontal_mwin++;
3498                 break;
3499         case SWM_ARG_ID_MASTERDEL:
3500                 if (ws->l_state.horizontal_mwin > 0)
3501                         ws->l_state.horizontal_mwin--;
3502                 break;
3503         case SWM_ARG_ID_STACKINC:
3504                 ws->l_state.horizontal_stacks++;
3505                 break;
3506         case SWM_ARG_ID_STACKDEC:
3507                 if (ws->l_state.horizontal_stacks > 1)
3508                         ws->l_state.horizontal_stacks--;
3509                 break;
3510         case SWM_ARG_ID_FLIPLAYOUT:
3511                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3512                 break;
3513         default:
3514                 return;
3515         }
3516 }
3517
3518 void
3519 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3520 {
3521         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3522
3523         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3524 }
3525
3526 /* fullscreen view */
3527 void
3528 max_stack(struct workspace *ws, struct swm_geometry *g)
3529 {
3530         struct swm_geometry     gg = *g;
3531         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3532         int                     winno, num_screens;
3533
3534         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3535
3536         if (ws == NULL)
3537                 return;
3538
3539         winno = count_win(ws, 0);
3540         if (winno == 0 && count_win(ws, 1) == 0)
3541                 return;
3542
3543         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3544         TAILQ_FOREACH(win, &ws->winlist, entry) {
3545                 if (win->transient) {
3546                         wintrans = win;
3547                         parent = find_window(win->transient);
3548                         continue;
3549                 }
3550
3551                 if (win->floating && win->floatmaxed == 0 ) {
3552                         /*
3553                          * retain geometry for retrieval on exit from
3554                          * max_stack mode
3555                          */
3556                         store_float_geom(win, ws->r);
3557                         win->floatmaxed = 1;
3558                 }
3559
3560                 /* only reconfigure if necessary */
3561                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3562                     HEIGHT(win) != gg.h) {
3563                         win->g = gg;
3564                         if (bar_enabled){
3565                                 win->bordered = 1;
3566                         } else {
3567                                 win->bordered = 0;
3568                                 WIDTH(win) += 2 * border_width;
3569                                 HEIGHT(win) += 2 * border_width;
3570                         }
3571
3572                         update_window(win);
3573                 }
3574                 /* unmap only if we don't have multi screen */
3575                 if (win != ws->focus)
3576                         if (!(num_screens > 1 || outputs > 1))
3577                                 unmap_window(win);
3578         }
3579
3580         /* put the last transient on top */
3581         if (wintrans) {
3582                 if (parent)
3583                         map_window_raised(parent->id);
3584                 stack_floater(wintrans, ws->r);
3585                 focus_magic(wintrans);
3586         }
3587 }
3588
3589 void
3590 send_to_ws(struct swm_region *r, union arg *args)
3591 {
3592         int                     wsid = args->id;
3593         struct ws_win           *win = NULL, *parent;
3594         struct workspace        *ws, *nws;
3595         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3596         char                    ws_idx_str[SWM_PROPLEN];
3597         union arg               a;
3598
3599         if (wsid >= workspace_limit)
3600                 return;
3601
3602         if (r && r->ws && r->ws->focus)
3603                 win = r->ws->focus;
3604         else
3605                 return;
3606         if (win == NULL)
3607                 return;
3608         if (win->ws->idx == wsid)
3609                 return;
3610
3611         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3612
3613         ws = win->ws;
3614         nws = &win->s->ws[wsid];
3615
3616         a.id = SWM_ARG_ID_FOCUSPREV;
3617         focus(r, &a);
3618         if (win->transient) {
3619                 parent = find_window(win->transient);
3620                 if (parent) {
3621                         unmap_window(parent);
3622                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3623                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3624                         parent->ws = nws;
3625                 }
3626         }
3627         unmap_window(win);
3628         TAILQ_REMOVE(&ws->winlist, win, entry);
3629         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3630         if (TAILQ_EMPTY(&ws->winlist))
3631                 r->ws->focus = NULL;
3632         win->ws = nws;
3633
3634         /* Try to update the window's workspace property */
3635         ws_idx_atom = get_atom_from_string("_SWM_WS");
3636         if (ws_idx_atom &&
3637             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3638                 SWM_PROPLEN) {
3639                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3640                     ws_idx_str);
3641                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3642                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3643                     ws_idx_str);
3644         }
3645
3646         stack();
3647         bar_update();
3648
3649         xcb_flush(conn);
3650 }
3651
3652 void
3653 pressbutton(struct swm_region *r, union arg *args)
3654 {
3655         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3656             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3657         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3658             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3659 }
3660
3661 void
3662 raise_toggle(struct swm_region *r, union arg *args)
3663 {
3664         if (r == NULL || r->ws == NULL)
3665                 return;
3666
3667         r->ws->always_raise = !r->ws->always_raise;
3668
3669         /* bring floaters back to top */
3670         if (r->ws->always_raise == 0)
3671                 stack();
3672
3673         xcb_flush(conn);
3674 }
3675
3676 void
3677 iconify(struct swm_region *r, union arg *args)
3678 {
3679         union arg a;
3680
3681         if (r->ws->focus == NULL)
3682                 return;
3683         unmap_window(r->ws->focus);
3684         update_iconic(r->ws->focus, 1);
3685         stack();
3686
3687         r->ws->focus = NULL;
3688         a.id = SWM_ARG_ID_FOCUSCUR;
3689         focus(r, &a);
3690
3691         xcb_flush(conn);
3692 }
3693
3694 char *
3695 get_win_name(xcb_window_t win)
3696 {
3697         char                            *name = NULL;
3698         xcb_get_property_cookie_t       c;
3699         xcb_icccm_get_text_property_reply_t     r;
3700
3701         c = xcb_icccm_get_wm_name(conn, win);
3702         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3703                 if (r.name_len > 0) {
3704                         name = malloc(r.name_len + 1);
3705                         if (!name) {
3706                                 xcb_icccm_get_text_property_reply_wipe(&r);
3707                                 return (NULL);
3708                         }
3709                         memcpy(name, r.name, r.name_len);
3710                         name[r.name_len] = '\0';
3711                 }
3712                 xcb_icccm_get_text_property_reply_wipe(&r);
3713         }
3714
3715         return (name);
3716 }
3717
3718 void
3719 uniconify(struct swm_region *r, union arg *args)
3720 {
3721         struct ws_win           *win;
3722         FILE                    *lfile;
3723         char                    *name;
3724         int                     count = 0;
3725
3726         DNPRINTF(SWM_D_MISC, "uniconify\n");
3727
3728         if (r == NULL || r->ws == NULL)
3729                 return;
3730
3731         /* make sure we have anything to uniconify */
3732         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3733                 if (win->ws == NULL)
3734                         continue; /* should never happen */
3735                 if (win->iconic == 0)
3736                         continue;
3737                 count++;
3738         }
3739         if (count == 0)
3740                 return;
3741
3742         search_r = r;
3743         search_resp_action = SWM_SEARCH_UNICONIFY;
3744
3745         spawn_select(r, args, "search", &searchpid);
3746
3747         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3748                 return;
3749
3750         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3751                 if (win->ws == NULL)
3752                         continue; /* should never happen */
3753                 if (win->iconic == 0)
3754                         continue;
3755
3756                 name = get_win_name(win->id);
3757                 if (name == NULL)
3758                         continue;
3759                 fprintf(lfile, "%s.%u\n", name, win->id);
3760                 free(name);
3761         }
3762
3763         fclose(lfile);
3764
3765         xcb_flush(conn);
3766 }
3767
3768 void
3769 name_workspace(struct swm_region *r, union arg *args)
3770 {
3771         FILE                    *lfile;
3772
3773         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3774
3775         if (r == NULL)
3776                 return;
3777
3778         search_r = r;
3779         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3780
3781         spawn_select(r, args, "name_workspace", &searchpid);
3782
3783         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3784                 return;
3785
3786         fprintf(lfile, "%s", "");
3787         fclose(lfile);
3788 }
3789
3790 void
3791 search_workspace(struct swm_region *r, union arg *args)
3792 {
3793         int                     i;
3794         struct workspace        *ws;
3795         FILE                    *lfile;
3796
3797         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3798
3799         if (r == NULL)
3800                 return;
3801
3802         search_r = r;
3803         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3804
3805         spawn_select(r, args, "search", &searchpid);
3806
3807         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3808                 return;
3809
3810         for (i = 0; i < workspace_limit; i++) {
3811                 ws = &r->s->ws[i];
3812                 if (ws == NULL)
3813                         continue;
3814                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3815                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3816         }
3817
3818         fclose(lfile);
3819 }
3820
3821 void
3822 search_win_cleanup(void)
3823 {
3824         struct search_window    *sw = NULL;
3825
3826         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3827                 xcb_destroy_window(conn, sw->indicator);
3828                 xcb_free_gc(conn, sw->gc);
3829                 TAILQ_REMOVE(&search_wl, sw, entry);
3830                 free(sw);
3831         }
3832 }
3833
3834 void
3835 search_win(struct swm_region *r, union arg *args)
3836 {
3837         struct ws_win           *win = NULL;
3838         struct search_window    *sw = NULL;
3839         xcb_window_t            w;
3840         uint32_t                gcv[3], wa[2];
3841         int                     i;
3842         char                    s[8];
3843         FILE                    *lfile;
3844         size_t                  len;
3845         XRectangle              ibox, lbox;
3846
3847         DNPRINTF(SWM_D_MISC, "search_win\n");
3848
3849         search_r = r;
3850         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3851
3852         spawn_select(r, args, "search", &searchpid);
3853
3854         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3855                 return;
3856
3857         TAILQ_INIT(&search_wl);
3858
3859         i = 1;
3860         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3861                 if (win->iconic == 1)
3862                         continue;
3863
3864                 sw = calloc(1, sizeof(struct search_window));
3865                 if (sw == NULL) {
3866                         warn("search_win: calloc");
3867                         fclose(lfile);
3868                         search_win_cleanup();
3869                         return;
3870                 }
3871                 sw->idx = i;
3872                 sw->win = win;
3873
3874                 snprintf(s, sizeof s, "%d", i);
3875                 len = strlen(s);
3876
3877                 /* FIXME fix calculations */
3878 #if 0
3879                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3880 #endif
3881
3882                 w = xcb_generate_id(conn);
3883                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3884                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3885 #if 0
3886                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3887                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3888                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3889                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3890 #else
3891                 /* workaround */
3892                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3893                     22, 20, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
3894                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
3895                     XCB_CW_BORDER_PIXEL, wa);
3896 #endif
3897
3898                 sw->indicator = w;
3899                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3900
3901                 sw->gc = xcb_generate_id(conn);
3902                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3903                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3904                 gcv[2] = 0;
3905                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3906                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3907                 map_window_raised(w);
3908
3909 #if 0
3910                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3911                     (bar_fs_extents->max_logical_extent.height -
3912                     lbox.height) / 2 - lbox.y, s);
3913 #else
3914                 /* workaround */
3915                 xcb_image_text_8(conn, len, w, sw->gc, 6, 14, s);
3916 #endif
3917
3918                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3919
3920                 fprintf(lfile, "%d\n", i);
3921                 i++;
3922         }
3923
3924         fclose(lfile);
3925
3926         xcb_flush(conn);
3927 }
3928
3929 void
3930 search_resp_uniconify(char *resp, unsigned long len)
3931 {
3932         char                    *name;
3933         struct ws_win           *win;
3934         char                    *s;
3935
3936         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3937
3938         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3939                 if (win->iconic == 0)
3940                         continue;
3941                 name = get_win_name(win->id);
3942                 if (name == NULL)
3943                         continue;
3944                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3945                         free(name);
3946                         continue;
3947                 }
3948                 free(name);
3949                 if (strncmp(s, resp, len) == 0) {
3950                         /* XXX this should be a callback to generalize */
3951                         update_iconic(win, 0);
3952                         free(s);
3953                         break;
3954                 }
3955                 free(s);
3956         }
3957 }
3958
3959 void
3960 search_resp_name_workspace(char *resp, unsigned long len)
3961 {
3962         struct workspace        *ws;
3963
3964         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3965
3966         if (search_r->ws == NULL)
3967                 return;
3968         ws = search_r->ws;
3969
3970         if (ws->name) {
3971                 free(search_r->ws->name);
3972                 search_r->ws->name = NULL;
3973         }
3974
3975         if (len > 1) {
3976                 ws->name = strdup(resp);
3977                 if (ws->name == NULL) {
3978                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3979                             "strdup: %s", strerror(errno));
3980                         return;
3981                 }
3982         }
3983 }
3984
3985 void
3986 search_resp_search_workspace(char *resp, unsigned long len)
3987 {
3988         char                    *p, *q;
3989         int                     ws_idx;
3990         const char              *errstr;
3991         union arg               a;
3992
3993         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3994
3995         q = strdup(resp);
3996         if (!q) {
3997                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3998                     strerror(errno));
3999                 return;
4000         }
4001         p = strchr(q, ':');
4002         if (p != NULL)
4003                 *p = '\0';
4004         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4005         if (errstr) {
4006                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4007                     errstr, q);
4008                 free(q);
4009                 return;
4010         }
4011         free(q);
4012         a.id = ws_idx - 1;
4013         switchws(search_r, &a);
4014 }
4015
4016 void
4017 search_resp_search_window(char *resp, unsigned long len)
4018 {
4019         char                    *s;
4020         int                     idx;
4021         const char              *errstr;
4022         struct search_window    *sw;
4023
4024         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4025
4026         s = strdup(resp);
4027         if (!s) {
4028                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4029                     strerror(errno));
4030                 return;
4031         }
4032
4033         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4034         if (errstr) {
4035                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4036                     errstr, s);
4037                 free(s);
4038                 return;
4039         }
4040         free(s);
4041
4042         TAILQ_FOREACH(sw, &search_wl, entry)
4043                 if (idx == sw->idx) {
4044                         focus_win(sw->win);
4045                         break;
4046                 }
4047 }
4048
4049 #define MAX_RESP_LEN    1024
4050
4051 void
4052 search_do_resp(void)
4053 {
4054         ssize_t                 rbytes;
4055         char                    *resp;
4056         unsigned long           len;
4057
4058         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4059
4060         search_resp = 0;
4061         searchpid = 0;
4062
4063         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4064                 warn("search: calloc");
4065                 goto done;
4066         }
4067
4068         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4069         if (rbytes <= 0) {
4070                 warn("search: read error");
4071                 goto done;
4072         }
4073         resp[rbytes] = '\0';
4074
4075         /* XXX:
4076          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4077          * newline, so work around that by sanitizing the resp now.
4078          */
4079         resp[strcspn(resp, "\n")] = '\0';
4080         len = strlen(resp);
4081
4082         switch (search_resp_action) {
4083         case SWM_SEARCH_UNICONIFY:
4084                 search_resp_uniconify(resp, len);
4085                 break;
4086         case SWM_SEARCH_NAME_WORKSPACE:
4087                 search_resp_name_workspace(resp, len);
4088                 break;
4089         case SWM_SEARCH_SEARCH_WORKSPACE:
4090                 search_resp_search_workspace(resp, len);
4091                 break;
4092         case SWM_SEARCH_SEARCH_WINDOW:
4093                 search_resp_search_window(resp, len);
4094                 break;
4095         }
4096
4097 done:
4098         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4099                 search_win_cleanup();
4100
4101         search_resp_action = SWM_SEARCH_NONE;
4102         close(select_resp_pipe[0]);
4103         free(resp);
4104 }
4105
4106 void
4107 wkill(struct swm_region *r, union arg *args)
4108 {
4109         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4110
4111         if (r->ws->focus == NULL)
4112                 return;
4113
4114         if (args->id == SWM_ARG_ID_KILLWINDOW)
4115                 xcb_kill_client(conn, r->ws->focus->id);
4116         else
4117                 if (r->ws->focus->can_delete)
4118                         client_msg(r->ws->focus, a_delete);
4119
4120         xcb_flush(conn);
4121 }
4122
4123
4124 int
4125 floating_toggle_win(struct ws_win *win)
4126 {
4127         struct swm_region       *r;
4128
4129         if (win == NULL)
4130                 return (0);
4131
4132         if (!win->ws->r)
4133                 return (0);
4134
4135         r = win->ws->r;
4136
4137         /* reject floating toggles in max stack mode */
4138         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4139                 return (0);
4140
4141         if (win->floating) {
4142                 if (!win->floatmaxed) {
4143                         /* retain position for refloat */
4144                         store_float_geom(win, r);
4145                 }
4146                 win->floating = 0;
4147         } else {
4148                 if (win->g_floatvalid) {
4149                         /* refloat at last floating relative position */
4150                         X(win) = win->g_float.x + X(r);
4151                         Y(win) = win->g_float.y + Y(r);
4152                         WIDTH(win) = win->g_float.w;
4153                         HEIGHT(win) = win->g_float.h;
4154                 }
4155                 win->floating = 1;
4156         }
4157
4158         ewmh_update_actions(win);
4159
4160         return (1);
4161 }
4162
4163 void
4164 floating_toggle(struct swm_region *r, union arg *args)
4165 {
4166         struct ws_win           *win = r->ws->focus;
4167         union arg               a;
4168
4169         if (win == NULL)
4170                 return;
4171
4172         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4173             _NET_WM_STATE_TOGGLE);
4174
4175         stack();
4176
4177         if (win == win->ws->focus) {
4178                 a.id = SWM_ARG_ID_FOCUSCUR;
4179                 focus(win->ws->r, &a);
4180         }
4181
4182         xcb_flush(conn);
4183         event_drain(XCB_ENTER_NOTIFY);
4184 }
4185
4186 void
4187 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4188 {
4189         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4190                 if (resizable)
4191                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4192                 else
4193                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4194         }
4195
4196         if (X(win) + BORDER(win) < X(r)) {
4197                 if (resizable)
4198                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4199
4200                 X(win) = X(r) - BORDER(win);
4201         }
4202
4203         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4204                 if (resizable)
4205                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4206                 else
4207                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4208         }
4209
4210         if (Y(win) + BORDER(win) < Y(r)) {
4211                 if (resizable)
4212                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4213
4214                 Y(win) = Y(r) - BORDER(win);
4215         }
4216
4217         if (resizable) {
4218                 if (WIDTH(win) < 1)
4219                         WIDTH(win) = 1;
4220                 if (HEIGHT(win) < 1)
4221                         HEIGHT(win) = 1;
4222         }
4223 }
4224
4225 void
4226 update_window(struct ws_win *win)
4227 {
4228         uint16_t        mask;
4229         uint32_t        wc[5];
4230
4231         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4232                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4233                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4234         wc[0] = X(win);
4235         wc[1] = Y(win);
4236         wc[2] = WIDTH(win);
4237         wc[3] = HEIGHT(win);
4238         wc[4] = BORDER(win);
4239
4240         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4241             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4242             wc[3], YESNO(win->bordered));
4243
4244         xcb_configure_window(conn, win->id, mask, wc);
4245 }
4246
4247 #define SWM_RESIZE_STEPS        (50)
4248
4249 void
4250 resize(struct ws_win *win, union arg *args)
4251 {
4252         xcb_timestamp_t         timestamp = 0;
4253         struct swm_region       *r = NULL;
4254         int                     resize_step = 0;
4255         struct swm_geometry     g;
4256         int                     top = 0, left = 0, resizing;
4257         int                     dx, dy;
4258         unsigned int            shape; /* cursor style */
4259         xcb_cursor_t            cursor;
4260         xcb_font_t              cursor_font;
4261         xcb_grab_pointer_cookie_t       gpc;
4262         xcb_grab_pointer_reply_t        *gpr;
4263         xcb_query_pointer_reply_t       *xpr;
4264         xcb_generic_event_t             *evt;
4265         xcb_motion_notify_event_t       *mne;
4266
4267         if (win == NULL)
4268                 return;
4269         r = win->ws->r;
4270
4271         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4272                 return;
4273
4274         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4275             "transient: 0x%x\n", win->id, YESNO(win->floating),
4276             win->transient);
4277
4278         if (!(win->transient != 0 || win->floating != 0))
4279                 return;
4280
4281         /* reject resizes in max mode for floaters (transient ok) */
4282         if (win->floatmaxed)
4283                 return;
4284
4285         win->manual = 1;
4286         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4287             _NET_WM_STATE_ADD);
4288
4289         stack();
4290
4291         switch (args->id) {
4292         case SWM_ARG_ID_WIDTHSHRINK:
4293                 WIDTH(win) -= SWM_RESIZE_STEPS;
4294                 resize_step = 1;
4295                 break;
4296         case SWM_ARG_ID_WIDTHGROW:
4297                 WIDTH(win) += SWM_RESIZE_STEPS;
4298                 resize_step = 1;
4299                 break;
4300         case SWM_ARG_ID_HEIGHTSHRINK:
4301                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4302                 resize_step = 1;
4303                 break;
4304         case SWM_ARG_ID_HEIGHTGROW:
4305                 HEIGHT(win) += SWM_RESIZE_STEPS;
4306                 resize_step = 1;
4307                 break;
4308         default:
4309                 break;
4310         }
4311         if (resize_step) {
4312                 constrain_window(win, r, 1);
4313                 update_window(win);
4314                 store_float_geom(win,r);
4315                 return;
4316         }
4317
4318         /* get cursor offset from window root */
4319         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4320             NULL);
4321         if (!xpr)
4322                 return;
4323
4324         g = win->g;
4325
4326         if (xpr->win_x < WIDTH(win) / 2)
4327                 left = 1;
4328
4329         if (xpr->win_y < HEIGHT(win) / 2)
4330                 top = 1;
4331
4332         if (args->id == SWM_ARG_ID_CENTER)
4333                 shape = XC_sizing;
4334         else if (top)
4335                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4336         else
4337                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4338
4339         cursor_font = xcb_generate_id(conn);
4340         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4341
4342         cursor = xcb_generate_id(conn);
4343         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4344             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4345
4346         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4347             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4348             XCB_CURRENT_TIME),
4349         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4350         if (!gpr) {
4351                 xcb_free_cursor(conn, cursor);
4352                 xcb_close_font(conn, cursor_font);
4353                 free(xpr);
4354                 return;
4355         }
4356
4357         xcb_flush(conn);
4358         resizing = 1;
4359         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4360                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4361                 case XCB_BUTTON_RELEASE:
4362                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4363                         resizing = 0;
4364                         break;
4365                 case XCB_MOTION_NOTIFY:
4366                         mne = (xcb_motion_notify_event_t *)evt;
4367                         /* cursor offset/delta from start of the operation */
4368                         dx = mne->root_x - xpr->root_x;
4369                         dy = mne->root_y - xpr->root_y;
4370
4371                         /* vertical */
4372                         if (top)
4373                                 dy = -dy;
4374
4375                         if (args->id == SWM_ARG_ID_CENTER) {
4376                                 if (g.h / 2 + dy < 1)
4377                                         dy = 1 - g.h / 2;
4378
4379                                 Y(win) = g.y - dy;
4380                                 HEIGHT(win) = g.h + 2 * dy;
4381                         } else {
4382                                 if (g.h + dy < 1)
4383                                         dy = 1 - g.h;
4384
4385                                 if (top)
4386                                         Y(win) = g.y - dy;
4387
4388                                 HEIGHT(win) = g.h + dy;
4389                         }
4390
4391                         /* horizontal */
4392                         if (left)
4393                                 dx = -dx;
4394
4395                         if (args->id == SWM_ARG_ID_CENTER) {
4396                                 if (g.w / 2 + dx < 1)
4397                                         dx = 1 - g.w / 2;
4398
4399                                 X(win) = g.x - dx;
4400                                 WIDTH(win) = g.w + 2 * dx;
4401                         } else {
4402                                 if (g.w + dx < 1)
4403                                         dx = 1 - g.w;
4404
4405                                 if (left)
4406                                         X(win) = g.x - dx;
4407
4408                                 WIDTH(win) = g.w + dx;
4409                         }
4410
4411                         constrain_window(win, r, 1);
4412
4413                         /* not free, don't sync more than 120 times / second */
4414                         if ((mne->time - timestamp) > (1000 / 120) ) {
4415                                 timestamp = mne->time;
4416                                 do_sync();
4417                                 update_window(win);
4418                         }
4419                         break;
4420                 default:
4421                         event_handle(evt);
4422                         break;
4423                 }
4424                 free(evt);
4425         }
4426         if (timestamp) {
4427                 do_sync();
4428                 update_window(win);
4429         }
4430         store_float_geom(win,r);
4431
4432         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4433         xcb_free_cursor(conn, cursor);
4434         xcb_close_font(conn, cursor_font);
4435         free(gpr);
4436         free(xpr);
4437         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4438 }
4439
4440 void
4441 resize_step(struct swm_region *r, union arg *args)
4442 {
4443         struct ws_win           *win = NULL;
4444
4445         if (r && r->ws && r->ws->focus)
4446                 win = r->ws->focus;
4447         else
4448                 return;
4449
4450         resize(win, args);
4451 }
4452
4453 #define SWM_MOVE_STEPS  (50)
4454
4455 void
4456 move(struct ws_win *win, union arg *args)
4457 {
4458         xcb_timestamp_t         timestamp = 0;
4459         int                     move_step = 0, moving;
4460         struct swm_region       *r = NULL;
4461         xcb_font_t                      cursor_font;
4462         xcb_cursor_t                    cursor;
4463         xcb_grab_pointer_cookie_t       gpc;
4464         xcb_grab_pointer_reply_t        *gpr;
4465         xcb_query_pointer_reply_t       *qpr;
4466         xcb_generic_event_t             *evt;
4467         xcb_motion_notify_event_t       *mne;
4468
4469         if (win == NULL)
4470                 return;
4471         r = win->ws->r;
4472
4473         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4474                 return;
4475
4476         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4477             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4478
4479         /* in max_stack mode should only move transients */
4480         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4481                 return;
4482
4483         win->manual = 1;
4484         if (win->floating == 0 && !win->transient) {
4485                 store_float_geom(win, r);
4486                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4487                     _NET_WM_STATE_ADD);
4488         }
4489         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4490             _NET_WM_STATE_ADD);
4491
4492         stack();
4493
4494         move_step = 0;
4495         switch (args->id) {
4496         case SWM_ARG_ID_MOVELEFT:
4497                 X(win) -= (SWM_MOVE_STEPS - border_width);
4498                 move_step = 1;
4499                 break;
4500         case SWM_ARG_ID_MOVERIGHT:
4501                 X(win) += (SWM_MOVE_STEPS - border_width);
4502                 move_step = 1;
4503                 break;
4504         case SWM_ARG_ID_MOVEUP:
4505                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4506                 move_step = 1;
4507                 break;
4508         case SWM_ARG_ID_MOVEDOWN:
4509                 Y(win) += (SWM_MOVE_STEPS - border_width);
4510                 move_step = 1;
4511                 break;
4512         default:
4513                 break;
4514         }
4515         if (move_step) {
4516                 constrain_window(win, r, 0);
4517                 update_window(win);
4518                 store_float_geom(win, r);
4519                 return;
4520         }
4521
4522         cursor_font = xcb_generate_id(conn);
4523         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4524
4525         cursor = xcb_generate_id(conn);
4526         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4527                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4528
4529         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4530             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4531             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4532         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4533         if (!gpr) {
4534                 xcb_free_cursor(conn, cursor);
4535                 xcb_close_font(conn, cursor_font);
4536                 return;
4537         }
4538
4539         /* get cursor offset from window root */
4540         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4541                 NULL);
4542         if (!qpr) {
4543                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4544                 xcb_free_cursor(conn, cursor);
4545                 xcb_close_font(conn, cursor_font);
4546                 return;
4547         }
4548
4549         xcb_flush(conn);
4550         moving = 1;
4551         while ((evt = xcb_wait_for_event(conn)) && moving) {
4552                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4553                 case XCB_BUTTON_RELEASE:
4554                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4555                         moving = 0;
4556                         break;
4557                 case XCB_MOTION_NOTIFY:
4558                         mne = (xcb_motion_notify_event_t *)evt;
4559                         X(win) = mne->root_x - qpr->win_x - border_width;
4560                         Y(win) = mne->root_y - qpr->win_y - border_width;
4561
4562                         constrain_window(win, r, 0);
4563
4564                         /* not free, don't sync more than 120 times / second */
4565                         if ((mne->time - timestamp) > (1000 / 120) ) {
4566                                 timestamp = mne->time;
4567                                 do_sync();
4568                                 update_window(win);
4569                         }
4570                         break;
4571                 default:
4572                         event_handle(evt);
4573                         break;
4574                 }
4575                 free(evt);
4576         }
4577         if (timestamp) {
4578                 do_sync();
4579                 update_window(win);
4580         }
4581         store_float_geom(win, r);
4582         free(qpr);
4583         xcb_free_cursor(conn, cursor);
4584         xcb_close_font(conn, cursor_font);
4585         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4586         DNPRINTF(SWM_D_EVENT, "move: done\n");
4587 }
4588
4589 void
4590 move_step(struct swm_region *r, union arg *args)
4591 {
4592         struct ws_win           *win = NULL;
4593
4594         if (r && r->ws && r->ws->focus)
4595                 win = r->ws->focus;
4596         else
4597                 return;
4598
4599         if (!(win->transient != 0 || win->floating != 0))
4600                 return;
4601
4602         move(win, args);
4603 }
4604
4605
4606 /* user/key callable function IDs */
4607 enum keyfuncid {
4608         KF_BAR_TOGGLE,
4609         KF_BUTTON2,
4610         KF_CYCLE_LAYOUT,
4611         KF_FLIP_LAYOUT,
4612         KF_FLOAT_TOGGLE,
4613         KF_FOCUS_MAIN,
4614         KF_FOCUS_NEXT,
4615         KF_FOCUS_PREV,
4616         KF_HEIGHT_GROW,
4617         KF_HEIGHT_SHRINK,
4618         KF_ICONIFY,
4619         KF_MASTER_SHRINK,
4620         KF_MASTER_GROW,
4621         KF_MASTER_ADD,
4622         KF_MASTER_DEL,
4623         KF_MOVE_DOWN,
4624         KF_MOVE_LEFT,
4625         KF_MOVE_RIGHT,
4626         KF_MOVE_UP,
4627         KF_MVWS_1,
4628         KF_MVWS_2,
4629         KF_MVWS_3,
4630         KF_MVWS_4,
4631         KF_MVWS_5,
4632         KF_MVWS_6,
4633         KF_MVWS_7,
4634         KF_MVWS_8,
4635         KF_MVWS_9,
4636         KF_MVWS_10,
4637         KF_MVWS_11,
4638         KF_MVWS_12,
4639         KF_MVWS_13,
4640         KF_MVWS_14,
4641         KF_MVWS_15,
4642         KF_MVWS_16,
4643         KF_MVWS_17,
4644         KF_MVWS_18,
4645         KF_MVWS_19,
4646         KF_MVWS_20,
4647         KF_MVWS_21,
4648         KF_MVWS_22,
4649         KF_NAME_WORKSPACE,
4650         KF_QUIT,
4651         KF_RAISE_TOGGLE,
4652         KF_RESTART,
4653         KF_SCREEN_NEXT,
4654         KF_SCREEN_PREV,
4655         KF_SEARCH_WIN,
4656         KF_SEARCH_WORKSPACE,
4657         KF_SPAWN_CUSTOM,
4658         KF_STACK_INC,
4659         KF_STACK_DEC,
4660         KF_STACK_RESET,
4661         KF_SWAP_MAIN,
4662         KF_SWAP_NEXT,
4663         KF_SWAP_PREV,
4664         KF_UNICONIFY,
4665         KF_VERSION,
4666         KF_WIDTH_GROW,
4667         KF_WIDTH_SHRINK,
4668         KF_WIND_DEL,
4669         KF_WIND_KILL,
4670         KF_WS_1,
4671         KF_WS_2,
4672         KF_WS_3,
4673         KF_WS_4,
4674         KF_WS_5,
4675         KF_WS_6,
4676         KF_WS_7,
4677         KF_WS_8,
4678         KF_WS_9,
4679         KF_WS_10,
4680         KF_WS_11,
4681         KF_WS_12,
4682         KF_WS_13,
4683         KF_WS_14,
4684         KF_WS_15,
4685         KF_WS_16,
4686         KF_WS_17,
4687         KF_WS_18,
4688         KF_WS_19,
4689         KF_WS_20,
4690         KF_WS_21,
4691         KF_WS_22,
4692         KF_WS_NEXT,
4693         KF_WS_NEXT_ALL,
4694         KF_WS_PREV,
4695         KF_WS_PREV_ALL,
4696         KF_WS_PRIOR,
4697         KF_DUMPWINS, /* MUST BE LAST */
4698         KF_INVALID
4699 };
4700
4701 /* key definitions */
4702 struct keyfunc {
4703         char                    name[SWM_FUNCNAME_LEN];
4704         void                    (*func)(struct swm_region *r, union arg *);
4705         union arg               args;
4706 } keyfuncs[KF_INVALID + 1] = {
4707         /* name                 function        argument */
4708         { "bar_toggle",         bar_toggle,     {0} },
4709         { "button2",            pressbutton,    {2} },
4710         { "cycle_layout",       cycle_layout,   {0} },
4711         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4712         { "float_toggle",       floating_toggle,{0} },
4713         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4714         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4715         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4716         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4717         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4718         { "iconify",            iconify,        {0} },
4719         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4720         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4721         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4722         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4723         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4724         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4725         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4726         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4727         { "mvws_1",             send_to_ws,     {.id = 0} },
4728         { "mvws_2",             send_to_ws,     {.id = 1} },
4729         { "mvws_3",             send_to_ws,     {.id = 2} },
4730         { "mvws_4",             send_to_ws,     {.id = 3} },
4731         { "mvws_5",             send_to_ws,     {.id = 4} },
4732         { "mvws_6",             send_to_ws,     {.id = 5} },
4733         { "mvws_7",             send_to_ws,     {.id = 6} },
4734         { "mvws_8",             send_to_ws,     {.id = 7} },
4735         { "mvws_9",             send_to_ws,     {.id = 8} },
4736         { "mvws_10",            send_to_ws,     {.id = 9} },
4737         { "mvws_11",            send_to_ws,     {.id = 10} },
4738         { "mvws_12",            send_to_ws,     {.id = 11} },
4739         { "mvws_13",            send_to_ws,     {.id = 12} },
4740         { "mvws_14",            send_to_ws,     {.id = 13} },
4741         { "mvws_15",            send_to_ws,     {.id = 14} },
4742         { "mvws_16",            send_to_ws,     {.id = 15} },
4743         { "mvws_17",            send_to_ws,     {.id = 16} },
4744         { "mvws_18",            send_to_ws,     {.id = 17} },
4745         { "mvws_19",            send_to_ws,     {.id = 18} },
4746         { "mvws_20",            send_to_ws,     {.id = 19} },
4747         { "mvws_21",            send_to_ws,     {.id = 20} },
4748         { "mvws_22",            send_to_ws,     {.id = 21} },
4749         { "name_workspace",     name_workspace, {0} },
4750         { "quit",               quit,           {0} },
4751         { "raise_toggle",       raise_toggle,   {0} },
4752         { "restart",            restart,        {0} },
4753         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4754         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4755         { "search_win",         search_win,     {0} },
4756         { "search_workspace",   search_workspace,       {0} },
4757         { "spawn_custom",       NULL,           {0} },
4758         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4759         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4760         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4761         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4762         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4763         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4764         { "uniconify",          uniconify,      {0} },
4765         { "version",            version,        {0} },
4766         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4767         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4768         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4769         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4770         { "ws_1",               switchws,       {.id = 0} },
4771         { "ws_2",               switchws,       {.id = 1} },
4772         { "ws_3",               switchws,       {.id = 2} },
4773         { "ws_4",               switchws,       {.id = 3} },
4774         { "ws_5",               switchws,       {.id = 4} },
4775         { "ws_6",               switchws,       {.id = 5} },
4776         { "ws_7",               switchws,       {.id = 6} },
4777         { "ws_8",               switchws,       {.id = 7} },
4778         { "ws_9",               switchws,       {.id = 8} },
4779         { "ws_10",              switchws,       {.id = 9} },
4780         { "ws_11",              switchws,       {.id = 10} },
4781         { "ws_12",              switchws,       {.id = 11} },
4782         { "ws_13",              switchws,       {.id = 12} },
4783         { "ws_14",              switchws,       {.id = 13} },
4784         { "ws_15",              switchws,       {.id = 14} },
4785         { "ws_16",              switchws,       {.id = 15} },
4786         { "ws_17",              switchws,       {.id = 16} },
4787         { "ws_18",              switchws,       {.id = 17} },
4788         { "ws_19",              switchws,       {.id = 18} },
4789         { "ws_20",              switchws,       {.id = 19} },
4790         { "ws_21",              switchws,       {.id = 20} },
4791         { "ws_22",              switchws,       {.id = 21} },
4792         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4793         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4794         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4795         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4796         { "ws_prior",           priorws,        {0} },
4797         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4798         { "invalid key func",   NULL,           {0} },
4799 };
4800 struct key {
4801         RB_ENTRY(key)           entry;
4802         unsigned int            mod;
4803         KeySym                  keysym;
4804         enum keyfuncid          funcid;
4805         char                    *spawn_name;
4806 };
4807 RB_HEAD(key_tree, key);
4808
4809 int
4810 key_cmp(struct key *kp1, struct key *kp2)
4811 {
4812         if (kp1->keysym < kp2->keysym)
4813                 return (-1);
4814         if (kp1->keysym > kp2->keysym)
4815                 return (1);
4816
4817         if (kp1->mod < kp2->mod)
4818                 return (-1);
4819         if (kp1->mod > kp2->mod)
4820                 return (1);
4821
4822         return (0);
4823 }
4824
4825 RB_GENERATE(key_tree, key, entry, key_cmp);
4826 struct key_tree                 keys;
4827
4828 /* mouse */
4829 enum { client_click, root_click };
4830 struct button {
4831         unsigned int            action;
4832         unsigned int            mask;
4833         unsigned int            button;
4834         void                    (*func)(struct ws_win *, union arg *);
4835         union arg               args;
4836 } buttons[] = {
4837           /* action     key             mouse button    func    args */
4838         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4839         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4840         { client_click, MODKEY,         Button1,        move,   {0} },
4841 };
4842
4843 void
4844 update_modkey(unsigned int mod)
4845 {
4846         int                     i;
4847         struct key              *kp;
4848
4849         mod_key = mod;
4850         RB_FOREACH(kp, key_tree, &keys)
4851                 if (kp->mod & ShiftMask)
4852                         kp->mod = mod | ShiftMask;
4853                 else
4854                         kp->mod = mod;
4855
4856         for (i = 0; i < LENGTH(buttons); i++)
4857                 if (buttons[i].mask & ShiftMask)
4858                         buttons[i].mask = mod | ShiftMask;
4859                 else
4860                         buttons[i].mask = mod;
4861 }
4862
4863 /* spawn */
4864 struct spawn_prog {
4865         TAILQ_ENTRY(spawn_prog) entry;
4866         char                    *name;
4867         int                     argc;
4868         char                    **argv;
4869 };
4870 TAILQ_HEAD(spawn_list, spawn_prog);
4871 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4872
4873 int
4874 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4875     char ***ret_args)
4876 {
4877         struct spawn_prog       *prog = NULL;
4878         int                     i;
4879         char                    *ap, **real_args;
4880
4881         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4882
4883         /* find program */
4884         TAILQ_FOREACH(prog, &spawns, entry) {
4885                 if (!strcasecmp(spawn_name, prog->name))
4886                         break;
4887         }
4888         if (prog == NULL) {
4889                 warnx("spawn_custom: program %s not found", spawn_name);
4890                 return (-1);
4891         }
4892
4893         /* make room for expanded args */
4894         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4895                 err(1, "spawn_custom: calloc real_args");
4896
4897         /* expand spawn_args into real_args */
4898         for (i = 0; i < prog->argc; i++) {
4899                 ap = prog->argv[i];
4900                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4901                 if (!strcasecmp(ap, "$bar_border")) {
4902                         if ((real_args[i] =
4903                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4904                             == NULL)
4905                                 err(1,  "spawn_custom border color");
4906                 } else if (!strcasecmp(ap, "$bar_color")) {
4907                         if ((real_args[i] =
4908                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4909                             == NULL)
4910                                 err(1, "spawn_custom bar color");
4911                 } else if (!strcasecmp(ap, "$bar_font")) {
4912                         if ((real_args[i] = strdup(bar_fonts))
4913                             == NULL)
4914                                 err(1, "spawn_custom bar fonts");
4915                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4916                         if ((real_args[i] =
4917                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4918                             == NULL)
4919                                 err(1, "spawn_custom color font");
4920                 } else if (!strcasecmp(ap, "$color_focus")) {
4921                         if ((real_args[i] =
4922                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4923                             == NULL)
4924                                 err(1, "spawn_custom color focus");
4925                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4926                         if ((real_args[i] =
4927                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4928                             == NULL)
4929                                 err(1, "spawn_custom color unfocus");
4930                 } else {
4931                         /* no match --> copy as is */
4932                         if ((real_args[i] = strdup(ap)) == NULL)
4933                                 err(1, "spawn_custom strdup(ap)");
4934                 }
4935                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4936                     real_args[i]);
4937         }
4938
4939 #ifdef SWM_DEBUG
4940         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4941         for (i = 0; i < prog->argc; i++)
4942                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4943         DNPRINTF(SWM_D_SPAWN, "\n");
4944 #endif
4945         *ret_args = real_args;
4946         return (prog->argc);
4947 }
4948
4949 void
4950 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4951 {
4952         union arg               a;
4953         char                    **real_args;
4954         int                     spawn_argc, i;
4955
4956         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4957                 return;
4958         a.argv = real_args;
4959         if (fork() == 0)
4960                 spawn(r->ws->idx, &a, 1);
4961
4962         for (i = 0; i < spawn_argc; i++)
4963                 free(real_args[i]);
4964         free(real_args);
4965 }
4966
4967 void
4968 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4969 {
4970         union arg               a;
4971         char                    **real_args;
4972         int                     i, spawn_argc;
4973
4974         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4975                 return;
4976         a.argv = real_args;
4977
4978         if (pipe(select_list_pipe) == -1)
4979                 err(1, "pipe error");
4980         if (pipe(select_resp_pipe) == -1)
4981                 err(1, "pipe error");
4982
4983         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4984                 err(1, "could not disable SIGPIPE");
4985         switch (*pid = fork()) {
4986         case -1:
4987                 err(1, "cannot fork");
4988                 break;
4989         case 0: /* child */
4990                 if (dup2(select_list_pipe[0], 0) == -1)
4991                         err(1, "dup2");
4992                 if (dup2(select_resp_pipe[1], 1) == -1)
4993                         err(1, "dup2");
4994                 close(select_list_pipe[1]);
4995                 close(select_resp_pipe[0]);
4996                 spawn(r->ws->idx, &a, 0);
4997                 break;
4998         default: /* parent */
4999                 close(select_list_pipe[0]);
5000                 close(select_resp_pipe[1]);
5001                 break;
5002         }
5003
5004         for (i = 0; i < spawn_argc; i++)
5005                 free(real_args[i]);
5006         free(real_args);
5007 }
5008
5009 void
5010 spawn_insert(char *name, char *args)
5011 {
5012         char                    *arg, *cp, *ptr;
5013         struct spawn_prog       *sp;
5014
5015         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5016
5017         if ((sp = calloc(1, sizeof *sp)) == NULL)
5018                 err(1, "spawn_insert: calloc");
5019         if ((sp->name = strdup(name)) == NULL)
5020                 err(1, "spawn_insert: strdup");
5021
5022         /* convert the arguments to an argument list */
5023         if ((ptr = cp = strdup(args)) == NULL)
5024                 err(1, "spawn_insert: strdup");
5025         while ((arg = strsep(&ptr, " \t")) != NULL) {
5026                 /* empty field; skip it */
5027                 if (*arg == '\0')
5028                         continue;
5029
5030                 sp->argc++;
5031                 if ((sp->argv = realloc(sp->argv, sp->argc *
5032                     sizeof *sp->argv)) == NULL)
5033                         err(1, "spawn_insert: realloc");
5034                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5035                         err(1, "spawn_insert: strdup");
5036         }
5037         free(cp);
5038
5039         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5040         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5041 }
5042
5043 void
5044 spawn_remove(struct spawn_prog *sp)
5045 {
5046         int                     i;
5047
5048         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5049
5050         TAILQ_REMOVE(&spawns, sp, entry);
5051         for (i = 0; i < sp->argc; i++)
5052                 free(sp->argv[i]);
5053         free(sp->argv);
5054         free(sp->name);
5055         free(sp);
5056
5057         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5058 }
5059
5060 void
5061 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5062 {
5063         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5064
5065         spawn_remove(sp);
5066         spawn_insert(name, args);
5067
5068         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5069 }
5070
5071 void
5072 setspawn(char *name, char *args)
5073 {
5074         struct spawn_prog       *sp;
5075
5076         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5077
5078         if (name == NULL)
5079                 return;
5080
5081         TAILQ_FOREACH(sp, &spawns, entry) {
5082                 if (!strcmp(sp->name, name)) {
5083                         if (*args == '\0')
5084                                 spawn_remove(sp);
5085                         else
5086                                 spawn_replace(sp, name, args);
5087                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5088                         return;
5089                 }
5090         }
5091         if (*args == '\0') {
5092                 warnx("error: setspawn: cannot find program: %s", name);
5093                 return;
5094         }
5095
5096         spawn_insert(name, args);
5097         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5098 }
5099
5100 int
5101 setconfspawn(char *selector, char *value, int flags)
5102 {
5103         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5104
5105         setspawn(selector, value);
5106
5107         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5108         return (0);
5109 }
5110
5111 void
5112 setup_spawn(void)
5113 {
5114         setconfspawn("term",            "xterm",                0);
5115         setconfspawn("spawn_term",      "xterm",                0);
5116         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5117         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5118         setconfspawn("lock",            "xlock",                0);
5119         setconfspawn("initscr",         "initscreen.sh",        0);
5120         setconfspawn("menu",            "dmenu_run"
5121                                         " -fn $bar_font"
5122                                         " -nb $bar_color"
5123                                         " -nf $bar_font_color"
5124                                         " -sb $bar_border"
5125                                         " -sf $bar_color",      0);
5126         setconfspawn("search",          "dmenu"
5127                                         " -i"
5128                                         " -fn $bar_font"
5129                                         " -nb $bar_color"
5130                                         " -nf $bar_font_color"
5131                                         " -sb $bar_border"
5132                                         " -sf $bar_color",      0);
5133         setconfspawn("name_workspace",  "dmenu"
5134                                         " -p Workspace"
5135                                         " -fn $bar_font"
5136                                         " -nb $bar_color"
5137                                         " -nf $bar_font_color"
5138                                         " -sb $bar_border"
5139                                         " -sf $bar_color",      0);
5140 }
5141
5142 /* key bindings */
5143 #define SWM_MODNAME_SIZE        32
5144 #define SWM_KEY_WS              "\n+ \t"
5145 int
5146 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5147 {
5148         char                    *cp, *name;
5149         KeySym                  uks;
5150         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5151         if (mod == NULL || ks == NULL) {
5152                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5153                 return (1);
5154         }
5155         if (keystr == NULL || strlen(keystr) == 0) {
5156                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5157                 return (1);
5158         }
5159         cp = keystr;
5160         *ks = XCB_NO_SYMBOL;
5161         *mod = 0;
5162         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5163                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5164                 if (cp)
5165                         cp += (long)strspn(cp, SWM_KEY_WS);
5166                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5167                         *mod |= currmod;
5168                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5169                         *mod |= Mod1Mask;
5170                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5171                         *mod += Mod2Mask;
5172                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5173                         *mod |= Mod3Mask;
5174                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5175                         *mod |= Mod4Mask;
5176                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5177                         *mod |= ShiftMask;
5178                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5179                         *mod |= ControlMask;
5180                 else {
5181                         *ks = XStringToKeysym(name);
5182                         XConvertCase(*ks, ks, &uks);
5183                         if (ks == XCB_NO_SYMBOL) {
5184                                 DNPRINTF(SWM_D_KEY,
5185                                     "parsekeys: invalid key %s\n",
5186                                     name);
5187                                 return (1);
5188                         }
5189                 }
5190         }
5191         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5192         return (0);
5193 }
5194
5195 char *
5196 strdupsafe(char *str)
5197 {
5198         if (str == NULL)
5199                 return (NULL);
5200         else
5201                 return (strdup(str));
5202 }
5203
5204 void
5205 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5206 {
5207         struct key              *kp;
5208
5209         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5210             keyfuncs[kfid].name, spawn_name);
5211
5212         if ((kp = malloc(sizeof *kp)) == NULL)
5213                 err(1, "key_insert: malloc");
5214
5215         kp->mod = mod;
5216         kp->keysym = ks;
5217         kp->funcid = kfid;
5218         kp->spawn_name = strdupsafe(spawn_name);
5219         RB_INSERT(key_tree, &keys, kp);
5220
5221         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5222 }
5223
5224 struct key *
5225 key_lookup(unsigned int mod, KeySym ks)
5226 {
5227         struct key              kp;
5228
5229         kp.keysym = ks;
5230         kp.mod = mod;
5231
5232         return (RB_FIND(key_tree, &keys, &kp));
5233 }
5234
5235 void
5236 key_remove(struct key *kp)
5237 {
5238         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5239
5240         RB_REMOVE(key_tree, &keys, kp);
5241         free(kp->spawn_name);
5242         free(kp);
5243
5244         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5245 }
5246
5247 void
5248 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5249     char *spawn_name)
5250 {
5251         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5252             spawn_name);
5253
5254         key_remove(kp);
5255         key_insert(mod, ks, kfid, spawn_name);
5256
5257         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5258 }
5259
5260 void
5261 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5262     char *spawn_name)
5263 {
5264         struct key              *kp;
5265
5266         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5267             keyfuncs[kfid].name, spawn_name);
5268
5269         if ((kp = key_lookup(mod, ks)) != NULL) {
5270                 if (kfid == KF_INVALID)
5271                         key_remove(kp);
5272                 else
5273                         key_replace(kp, mod, ks, kfid, spawn_name);
5274                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5275                 return;
5276         }
5277         if (kfid == KF_INVALID) {
5278                 warnx("error: setkeybinding: cannot find mod/key combination");
5279                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5280                 return;
5281         }
5282
5283         key_insert(mod, ks, kfid, spawn_name);
5284         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5285 }
5286
5287 int
5288 setconfbinding(char *selector, char *value, int flags)
5289 {
5290         enum keyfuncid          kfid;
5291         unsigned int            mod;
5292         KeySym                  ks;
5293         struct spawn_prog       *sp;
5294         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5295         if (selector == NULL) {
5296                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5297                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5298                         kfid = KF_INVALID;
5299                         setkeybinding(mod, ks, kfid, NULL);
5300                         return (0);
5301                 } else
5302                         return (1);
5303         }
5304         /* search by key function name */
5305         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5306                 if (strncasecmp(selector, keyfuncs[kfid].name,
5307                     SWM_FUNCNAME_LEN) == 0) {
5308                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5309                             selector);
5310                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5311                                 setkeybinding(mod, ks, kfid, NULL);
5312                                 return (0);
5313                         } else
5314                                 return (1);
5315                 }
5316         }
5317         /* search by custom spawn name */
5318         TAILQ_FOREACH(sp, &spawns, entry) {
5319                 if (strcasecmp(selector, sp->name) == 0) {
5320                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5321                             selector);
5322                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5323                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5324                                     sp->name);
5325                                 return (0);
5326                         } else
5327                                 return (1);
5328                 }
5329         }
5330         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5331         return (1);
5332 }
5333
5334 void
5335 setup_keys(void)
5336 {
5337         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5340         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5341         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5342         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5343         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5344         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5346         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5347         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5348         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5352         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5353         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5354         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5355         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5356         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5357         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5358         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5359         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5360         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5361         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5362         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5363         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5364         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5365         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5366         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5367         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5368         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5369         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5370         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5371         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5372         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5373         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5374         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5375         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5376         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5377         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5378         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5379         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5380         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5381         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5382         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5385         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5386         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5390         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5391         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5392         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5393         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5394         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5395         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5396         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5397         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5400         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5401         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5406         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5407         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5408         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5411         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5412         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5413         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5414         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5417         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5418         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5420         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5421         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5422         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5423         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5424         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5425         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5426         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5427         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5428         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5429         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5430         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5431         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5432         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5433 #ifdef SWM_DEBUG
5434         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5435 #endif
5436 }
5437
5438 void
5439 clear_keys(void)
5440 {
5441         struct key              *kp;
5442
5443         while (RB_EMPTY(&keys) == 0) {
5444                 kp = RB_ROOT(&keys);
5445                 key_remove(kp);
5446         }
5447 }
5448
5449 int
5450 setkeymapping(char *selector, char *value, int flags)
5451 {
5452         char                    keymapping_file[PATH_MAX];
5453         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5454         if (value[0] == '~')
5455                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5456                     pwd->pw_dir, &value[1]);
5457         else
5458                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5459         clear_keys();
5460         /* load new key bindings; if it fails, revert to default bindings */
5461         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5462                 clear_keys();
5463                 setup_keys();
5464         }
5465         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5466         return (0);
5467 }
5468
5469 void
5470 updatenumlockmask(void)
5471 {
5472         unsigned int                            i, j;
5473         xcb_get_modifier_mapping_reply_t        *modmap_r;
5474         xcb_keycode_t                           *modmap, kc;
5475
5476         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5477         numlockmask = 0;
5478
5479         modmap_r = xcb_get_modifier_mapping_reply(conn,
5480             xcb_get_modifier_mapping(conn),
5481             NULL);
5482         if (modmap_r) {
5483                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5484                 for (i = 0; i < 8; i++) {
5485                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5486                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5487                                     + j];
5488
5489                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5490                                     XK_Num_Lock)))
5491                                         numlockmask = (1 << i);
5492                         }
5493                 }
5494                 free(modmap_r);
5495         }
5496 }
5497
5498 void
5499 grabkeys(void)
5500 {
5501         int                     num_screens, k;
5502         unsigned int            j;
5503         xcb_keycode_t           *code;
5504         unsigned int            modifiers[] =
5505             { 0, LockMask, numlockmask, numlockmask | LockMask };
5506         struct key              *kp;
5507
5508         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5509         updatenumlockmask();
5510
5511         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5512         for (k = 0; k < num_screens; k++) {
5513                 if (TAILQ_EMPTY(&screens[k].rl))
5514                         continue;
5515                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5516                         XCB_MOD_MASK_ANY);
5517                 RB_FOREACH(kp, key_tree, &keys) {
5518                         if ((code = xcb_key_symbols_get_keycode(syms,
5519                                         kp->keysym)))
5520                                 for (j = 0; j < LENGTH(modifiers); j++)
5521                                         xcb_grab_key(conn, True,
5522                                             screens[k].root,
5523                                             kp->mod | modifiers[j],
5524                                             *code, XCB_GRAB_MODE_ASYNC,
5525                                             XCB_GRAB_MODE_ASYNC);
5526                 }
5527         }
5528 }
5529
5530 void
5531 grabbuttons(struct ws_win *win, int focused)
5532 {
5533         unsigned int            i, j;
5534         unsigned int            modifiers[] =
5535             { 0, LockMask, numlockmask, numlockmask|LockMask };
5536
5537         updatenumlockmask();
5538         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5539             XCB_BUTTON_MASK_ANY);
5540         if (focused) {
5541                 for (i = 0; i < LENGTH(buttons); i++)
5542                         if (buttons[i].action == client_click)
5543                                 for (j = 0; j < LENGTH(modifiers); j++)
5544                                         xcb_grab_button(conn, False, win->id,
5545                                             BUTTONMASK,
5546                                             XCB_GRAB_MODE_ASYNC,
5547                                             XCB_GRAB_MODE_SYNC,
5548                                             XCB_WINDOW_NONE,
5549                                             XCB_CURSOR_NONE,
5550                                             buttons[i].button,
5551                                             buttons[i].mask);
5552         } else
5553                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5554                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5555                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5556 }
5557
5558 const char *quirkname[] = {
5559         "NONE",         /* config string for "no value" */
5560         "FLOAT",
5561         "TRANSSZ",
5562         "ANYWHERE",
5563         "XTERM_FONTADJ",
5564         "FULLSCREEN",
5565         "FOCUSPREV",
5566 };
5567
5568 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5569 #define SWM_Q_WS                "\n|+ \t"
5570 int
5571 parsequirks(char *qstr, unsigned long *quirk)
5572 {
5573         char                    *cp, *name;
5574         int                     i;
5575
5576         if (quirk == NULL)
5577                 return (1);
5578
5579         cp = qstr;
5580         *quirk = 0;
5581         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5582                 if (cp)
5583                         cp += (long)strspn(cp, SWM_Q_WS);
5584                 for (i = 0; i < LENGTH(quirkname); i++) {
5585                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5586                                 DNPRINTF(SWM_D_QUIRK,
5587                                     "parsequirks: %s\n", name);
5588                                 if (i == 0) {
5589                                         *quirk = 0;
5590                                         return (0);
5591                                 }
5592                                 *quirk |= 1 << (i-1);
5593                                 break;
5594                         }
5595                 }
5596                 if (i >= LENGTH(quirkname)) {
5597                         DNPRINTF(SWM_D_QUIRK,
5598                             "parsequirks: invalid quirk [%s]\n", name);
5599                         return (1);
5600                 }
5601         }
5602         return (0);
5603 }
5604
5605 void
5606 quirk_insert(const char *class, const char *name, unsigned long quirk)
5607 {
5608         struct quirk            *qp;
5609
5610         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5611             quirk);
5612
5613         if ((qp = malloc(sizeof *qp)) == NULL)
5614                 err(1, "quirk_insert: malloc");
5615         if ((qp->class = strdup(class)) == NULL)
5616                 err(1, "quirk_insert: strdup");
5617         if ((qp->name = strdup(name)) == NULL)
5618                 err(1, "quirk_insert: strdup");
5619
5620         qp->quirk = quirk;
5621         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5622
5623         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5624 }
5625
5626 void
5627 quirk_remove(struct quirk *qp)
5628 {
5629         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5630             qp->name, qp->quirk);
5631
5632         TAILQ_REMOVE(&quirks, qp, entry);
5633         free(qp->class);
5634         free(qp->name);
5635         free(qp);
5636
5637         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5638 }
5639
5640 void
5641 quirk_replace(struct quirk *qp, const char *class, const char *name,
5642     unsigned long quirk)
5643 {
5644         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5645             qp->name, qp->quirk);
5646
5647         quirk_remove(qp);
5648         quirk_insert(class, name, quirk);
5649
5650         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5651 }
5652
5653 void
5654 setquirk(const char *class, const char *name, unsigned long quirk)
5655 {
5656         struct quirk            *qp;
5657
5658         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5659            quirk);
5660
5661         TAILQ_FOREACH(qp, &quirks, entry) {
5662                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5663                         if (!quirk)
5664                                 quirk_remove(qp);
5665                         else
5666                                 quirk_replace(qp, class, name, quirk);
5667                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5668                         return;
5669                 }
5670         }
5671         if (!quirk) {
5672                 warnx("error: setquirk: cannot find class/name combination");
5673                 return;
5674         }
5675
5676         quirk_insert(class, name, quirk);
5677         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5678 }
5679
5680 int
5681 setconfquirk(char *selector, char *value, int flags)
5682 {
5683         char                    *cp, *class, *name;
5684         int                     retval;
5685         unsigned long           quirks;
5686         if (selector == NULL)
5687                 return (0);
5688         if ((cp = strchr(selector, ':')) == NULL)
5689                 return (0);
5690         *cp = '\0';
5691         class = selector;
5692         name = cp + 1;
5693         if ((retval = parsequirks(value, &quirks)) == 0)
5694                 setquirk(class, name, quirks);
5695         return (retval);
5696 }
5697
5698 void
5699 setup_quirks(void)
5700 {
5701         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5702         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5703         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5704         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5705         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5706         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5707         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5708         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5709         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5710         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5711         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5712         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5713         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5714 }
5715
5716 /* conf file stuff */
5717 #define SWM_CONF_FILE           "spectrwm.conf"
5718 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5719
5720 enum {
5721         SWM_S_BAR_ACTION,
5722         SWM_S_BAR_AT_BOTTOM,
5723         SWM_S_BAR_BORDER_WIDTH,
5724         SWM_S_BAR_DELAY,
5725         SWM_S_BAR_ENABLED,
5726         SWM_S_BAR_FONT,
5727         SWM_S_BAR_FORMAT,
5728         SWM_S_BAR_JUSTIFY,
5729         SWM_S_BORDER_WIDTH,
5730         SWM_S_CLOCK_ENABLED,
5731         SWM_S_CLOCK_FORMAT,
5732         SWM_S_CYCLE_EMPTY,
5733         SWM_S_CYCLE_VISIBLE,
5734         SWM_S_DIALOG_RATIO,
5735         SWM_S_DISABLE_BORDER,
5736         SWM_S_FOCUS_CLOSE,
5737         SWM_S_FOCUS_CLOSE_WRAP,
5738         SWM_S_FOCUS_DEFAULT,
5739         SWM_S_FOCUS_MODE,
5740         SWM_S_SPAWN_ORDER,
5741         SWM_S_SPAWN_TERM,
5742         SWM_S_SS_APP,
5743         SWM_S_SS_ENABLED,
5744         SWM_S_STACK_ENABLED,
5745         SWM_S_TERM_WIDTH,
5746         SWM_S_TITLE_CLASS_ENABLED,
5747         SWM_S_TITLE_NAME_ENABLED,
5748         SWM_S_URGENT_ENABLED,
5749         SWM_S_VERBOSE_LAYOUT,
5750         SWM_S_WINDOW_NAME_ENABLED,
5751         SWM_S_WORKSPACE_LIMIT
5752 };
5753
5754 int
5755 setconfvalue(char *selector, char *value, int flags)
5756 {
5757         int     i;
5758         char    *b;
5759
5760         switch (flags) {
5761         case SWM_S_BAR_ACTION:
5762                 free(bar_argv[0]);
5763                 if ((bar_argv[0] = strdup(value)) == NULL)
5764                         err(1, "setconfvalue: bar_action");
5765                 break;
5766         case SWM_S_BAR_AT_BOTTOM:
5767                 bar_at_bottom = atoi(value);
5768                 break;
5769         case SWM_S_BAR_BORDER_WIDTH:
5770                 bar_border_width = atoi(value);
5771                 if (bar_border_width < 0)
5772                         bar_border_width = 0;
5773                 break;
5774         case SWM_S_BAR_DELAY:
5775                 bar_delay = atoi(value);
5776                 break;
5777         case SWM_S_BAR_ENABLED:
5778                 bar_enabled = atoi(value);
5779                 break;
5780         case SWM_S_BAR_FONT:
5781                 b = bar_fonts;
5782                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5783                         err(1, "setconfvalue: asprintf: failed to allocate "
5784                                 "memory for bar_fonts.");
5785                 free(b);
5786                 break;
5787         case SWM_S_BAR_FORMAT:
5788                 free(bar_format);
5789                 if ((bar_format = strdup(value)) == NULL)
5790                         err(1, "setconfvalue: bar_format");
5791                 break;
5792         case SWM_S_BAR_JUSTIFY:
5793                 if (!strcmp(value, "left"))
5794                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5795                 else if (!strcmp(value, "center"))
5796                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5797                 else if (!strcmp(value, "right"))
5798                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5799                 else
5800                         errx(1, "invalid bar_justify");
5801                 break;
5802         case SWM_S_BORDER_WIDTH:
5803                 border_width = atoi(value);
5804                 if (border_width < 0)
5805                         border_width = 0;
5806                 break;
5807         case SWM_S_CLOCK_ENABLED:
5808                 clock_enabled = atoi(value);
5809                 break;
5810         case SWM_S_CLOCK_FORMAT:
5811 #ifndef SWM_DENY_CLOCK_FORMAT
5812                 free(clock_format);
5813                 if ((clock_format = strdup(value)) == NULL)
5814                         err(1, "setconfvalue: clock_format");
5815 #endif
5816                 break;
5817         case SWM_S_CYCLE_EMPTY:
5818                 cycle_empty = atoi(value);
5819                 break;
5820         case SWM_S_CYCLE_VISIBLE:
5821                 cycle_visible = atoi(value);
5822                 break;
5823         case SWM_S_DIALOG_RATIO:
5824                 dialog_ratio = atof(value);
5825                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5826                         dialog_ratio = .6;
5827                 break;
5828         case SWM_S_DISABLE_BORDER:
5829                 disable_border = atoi(value);
5830                 break;
5831         case SWM_S_FOCUS_CLOSE:
5832                 if (!strcmp(value, "first"))
5833                         focus_close = SWM_STACK_BOTTOM;
5834                 else if (!strcmp(value, "last"))
5835                         focus_close = SWM_STACK_TOP;
5836                 else if (!strcmp(value, "next"))
5837                         focus_close = SWM_STACK_ABOVE;
5838                 else if (!strcmp(value, "previous"))
5839                         focus_close = SWM_STACK_BELOW;
5840                 else
5841                         errx(1, "focus_close");
5842                 break;
5843         case SWM_S_FOCUS_CLOSE_WRAP:
5844                 focus_close_wrap = atoi(value);
5845                 break;
5846         case SWM_S_FOCUS_DEFAULT:
5847                 if (!strcmp(value, "last"))
5848                         focus_default = SWM_STACK_TOP;
5849                 else if (!strcmp(value, "first"))
5850                         focus_default = SWM_STACK_BOTTOM;
5851                 else
5852                         errx(1, "focus_default");
5853                 break;
5854         case SWM_S_FOCUS_MODE:
5855                 if (!strcmp(value, "default"))
5856                         focus_mode = SWM_FOCUS_DEFAULT;
5857                 else if (!strcmp(value, "follow_cursor"))
5858                         focus_mode = SWM_FOCUS_FOLLOW;
5859                 else if (!strcmp(value, "synergy"))
5860                         focus_mode = SWM_FOCUS_SYNERGY;
5861                 else
5862                         errx(1, "focus_mode");
5863                 break;
5864         case SWM_S_SPAWN_ORDER:
5865                 if (!strcmp(value, "first"))
5866                         spawn_position = SWM_STACK_BOTTOM;
5867                 else if (!strcmp(value, "last"))
5868                         spawn_position = SWM_STACK_TOP;
5869                 else if (!strcmp(value, "next"))
5870                         spawn_position = SWM_STACK_ABOVE;
5871                 else if (!strcmp(value, "previous"))
5872                         spawn_position = SWM_STACK_BELOW;
5873                 else
5874                         errx(1, "spawn_position");
5875                 break;
5876         case SWM_S_SPAWN_TERM:
5877                 setconfspawn("term", value, 0);
5878                 setconfspawn("spawn_term", value, 0);
5879                 break;
5880         case SWM_S_SS_APP:
5881                 break;
5882         case SWM_S_SS_ENABLED:
5883                 ss_enabled = atoi(value);
5884                 break;
5885         case SWM_S_STACK_ENABLED:
5886                 stack_enabled = atoi(value);
5887                 break;
5888         case SWM_S_TERM_WIDTH:
5889                 term_width = atoi(value);
5890                 if (term_width < 0)
5891                         term_width = 0;
5892                 break;
5893         case SWM_S_TITLE_CLASS_ENABLED:
5894                 title_class_enabled = atoi(value);
5895                 break;
5896         case SWM_S_TITLE_NAME_ENABLED:
5897                 title_name_enabled = atoi(value);
5898                 break;
5899         case SWM_S_URGENT_ENABLED:
5900                 urgent_enabled = atoi(value);
5901                 break;
5902         case SWM_S_VERBOSE_LAYOUT:
5903                 verbose_layout = atoi(value);
5904                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5905                         if (verbose_layout)
5906                                 layouts[i].l_string = fancy_stacker;
5907                         else
5908                                 layouts[i].l_string = plain_stacker;
5909                 }
5910                 break;
5911         case SWM_S_WINDOW_NAME_ENABLED:
5912                 window_name_enabled = atoi(value);
5913                 break;
5914         case SWM_S_WORKSPACE_LIMIT:
5915                 workspace_limit = atoi(value);
5916                 if (workspace_limit > SWM_WS_MAX)
5917                         workspace_limit = SWM_WS_MAX;
5918                 else if (workspace_limit < 1)
5919                         workspace_limit = 1;
5920                 break;
5921         default:
5922                 return (1);
5923         }
5924         return (0);
5925 }
5926
5927 int
5928 setconfmodkey(char *selector, char *value, int flags)
5929 {
5930         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5931                 update_modkey(Mod1Mask);
5932         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5933                 update_modkey(Mod2Mask);
5934         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5935                 update_modkey(Mod3Mask);
5936         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5937                 update_modkey(Mod4Mask);
5938         else
5939                 return (1);
5940         return (0);
5941 }
5942
5943 int
5944 setconfcolor(char *selector, char *value, int flags)
5945 {
5946         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5947         return (0);
5948 }
5949
5950 int
5951 setconfregion(char *selector, char *value, int flags)
5952 {
5953         custom_region(value);
5954         return (0);
5955 }
5956
5957 int
5958 setautorun(char *selector, char *value, int flags)
5959 {
5960         int                     ws_id;
5961         char                    s[1024];
5962         char                    *ap, *sp = s;
5963         union arg               a;
5964         int                     argc = 0;
5965         pid_t                   pid;
5966         struct pid_e            *p;
5967
5968         if (getenv("SWM_STARTED"))
5969                 return (0);
5970
5971         bzero(s, sizeof s);
5972         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5973                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5974         ws_id--;
5975         if (ws_id < 0 || ws_id >= workspace_limit)
5976                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5977
5978         /*
5979          * This is a little intricate
5980          *
5981          * If the pid already exists we simply reuse it because it means it was
5982          * used before AND not claimed by manage_window.  We get away with
5983          * altering it in the parent after INSERT because this can not be a race
5984          */
5985         a.argv = NULL;
5986         while ((ap = strsep(&sp, " \t")) != NULL) {
5987                 if (*ap == '\0')
5988                         continue;
5989                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5990                 argc++;
5991                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5992                         err(1, "setautorun: realloc");
5993                 a.argv[argc - 1] = ap;
5994         }
5995
5996         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5997                 err(1, "setautorun: realloc");
5998         a.argv[argc] = NULL;
5999
6000         if ((pid = fork()) == 0) {
6001                 spawn(ws_id, &a, 1);
6002                 /* NOTREACHED */
6003                 _exit(1);
6004         }
6005         free(a.argv);
6006
6007         /* parent */
6008         p = find_pid(pid);
6009         if (p == NULL) {
6010                 p = calloc(1, sizeof *p);
6011                 if (p == NULL)
6012                         return (1);
6013                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6014         }
6015
6016         p->pid = pid;
6017         p->ws = ws_id;
6018
6019         return (0);
6020 }
6021
6022 int
6023 setlayout(char *selector, char *value, int flags)
6024 {
6025         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6026         int                     st = SWM_V_STACK, num_screens;
6027         char                    s[1024];
6028         struct workspace        *ws;
6029
6030         if (getenv("SWM_STARTED"))
6031                 return (0);
6032
6033         bzero(s, sizeof s);
6034         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6035             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6036                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6037                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6038                     "<type>'");
6039         ws_id--;
6040         if (ws_id < 0 || ws_id >= workspace_limit)
6041                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6042
6043         if (!strcasecmp(s, "vertical"))
6044                 st = SWM_V_STACK;
6045         else if (!strcasecmp(s, "vertical_flip")) {
6046                 st = SWM_V_STACK;
6047                 f = 1;
6048         } else if (!strcasecmp(s, "horizontal"))
6049                 st = SWM_H_STACK;
6050         else if (!strcasecmp(s, "horizontal_flip")) {
6051                 st = SWM_H_STACK;
6052                 f = 1;
6053         } else if (!strcasecmp(s, "fullscreen"))
6054                 st = SWM_MAX_STACK;
6055         else
6056                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6057                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6058                     "<type>'");
6059
6060         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6061         for (i = 0; i < num_screens; i++) {
6062                 ws = (struct workspace *)&screens[i].ws;
6063                 ws[ws_id].cur_layout = &layouts[st];
6064
6065                 ws[ws_id].always_raise = raise;
6066                 if (st == SWM_MAX_STACK)
6067                         continue;
6068
6069                 /* master grow */
6070                 for (x = 0; x < abs(mg); x++) {
6071                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6072                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6073                             SWM_ARG_ID_MASTERSHRINK);
6074                         stack();
6075                 }
6076                 /* master add */
6077                 for (x = 0; x < abs(ma); x++) {
6078                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6079                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6080                             SWM_ARG_ID_MASTERDEL);
6081                         stack();
6082                 }
6083                 /* stack inc */
6084                 for (x = 0; x < abs(si); x++) {
6085                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6086                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6087                             SWM_ARG_ID_STACKDEC);
6088                         stack();
6089                 }
6090                 /* Apply flip */
6091                 if (f) {
6092                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6093                             SWM_ARG_ID_FLIPLAYOUT);
6094                         stack();
6095                 }
6096         }
6097
6098         return (0);
6099 }
6100
6101 /* config options */
6102 struct config_option {
6103         char                    *optname;
6104         int                     (*func)(char*, char*, int);
6105         int                     funcflags;
6106 };
6107 struct config_option configopt[] = {
6108         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6109         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6110         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6111         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6112         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6113         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6114         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6115         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6116         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6117         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6118         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6119         { "keyboard_mapping",           setkeymapping,  0 },
6120         { "bind",                       setconfbinding, 0 },
6121         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6122         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6123         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6124         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6125         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6126         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6127         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6128         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6129         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6130         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6131         { "modkey",                     setconfmodkey,  0 },
6132         { "program",                    setconfspawn,   0 },
6133         { "quirk",                      setconfquirk,   0 },
6134         { "region",                     setconfregion,  0 },
6135         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6136         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6137         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6138         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6139         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6140         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6141         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6142         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6143         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6144         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6145         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6146         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6147         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6148         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6149         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6150         { "autorun",                    setautorun,     0 },
6151         { "layout",                     setlayout,      0 },
6152 };
6153
6154
6155 int
6156 conf_load(char *filename, int keymapping)
6157 {
6158         FILE                    *config;
6159         char                    *line, *cp, *optsub, *optval;
6160         size_t                  linelen, lineno = 0;
6161         int                     wordlen, i, optind;
6162         struct config_option    *opt;
6163
6164         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6165
6166         if (filename == NULL) {
6167                 warnx("conf_load: no filename");
6168                 return (1);
6169         }
6170         if ((config = fopen(filename, "r")) == NULL) {
6171                 warn("conf_load: fopen: %s", filename);
6172                 return (1);
6173         }
6174
6175         while (!feof(config)) {
6176                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6177                     == NULL) {
6178                         if (ferror(config))
6179                                 err(1, "%s", filename);
6180                         else
6181                                 continue;
6182                 }
6183                 cp = line;
6184                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6185                 if (cp[0] == '\0') {
6186                         /* empty line */
6187                         free(line);
6188                         continue;
6189                 }
6190                 /* get config option */
6191                 wordlen = strcspn(cp, "=[ \t\n");
6192                 if (wordlen == 0) {
6193                         warnx("%s: line %zd: no option found",
6194                             filename, lineno);
6195                         goto out;
6196                 }
6197                 optind = -1;
6198                 for (i = 0; i < LENGTH(configopt); i++) {
6199                         opt = &configopt[i];
6200                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6201                             (int)strlen(opt->optname) == wordlen) {
6202                                 optind = i;
6203                                 break;
6204                         }
6205                 }
6206                 if (optind == -1) {
6207                         warnx("%s: line %zd: unknown option %.*s",
6208                             filename, lineno, wordlen, cp);
6209                         goto out;
6210                 }
6211                 if (keymapping && strcmp(opt->optname, "bind")) {
6212                         warnx("%s: line %zd: invalid option %.*s",
6213                             filename, lineno, wordlen, cp);
6214                         goto out;
6215                 }
6216                 cp += wordlen;
6217                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6218                 /* get [selector] if any */
6219                 optsub = NULL;
6220                 if (*cp == '[') {
6221                         cp++;
6222                         wordlen = strcspn(cp, "]");
6223                         if (*cp != ']') {
6224                                 if (wordlen == 0) {
6225                                         warnx("%s: line %zd: syntax error",
6226                                             filename, lineno);
6227                                         goto out;
6228                                 }
6229
6230                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6231                                     -1) {
6232                                         warnx("%s: line %zd: unable to allocate"
6233                                             "memory for selector", filename,
6234                                             lineno);
6235                                         goto out;
6236                                 }
6237                         }
6238                         cp += wordlen;
6239                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6240                 }
6241                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6242                 /* get RHS value */
6243                 optval = strdup(cp);
6244                 /* call function to deal with it all */
6245                 if (configopt[optind].func(optsub, optval,
6246                     configopt[optind].funcflags) != 0)
6247                         errx(1, "%s: line %zd: invalid data for %s",
6248                             filename, lineno, configopt[optind].optname);
6249                 free(optval);
6250                 free(optsub);
6251                 free(line);
6252         }
6253
6254         fclose(config);
6255         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6256
6257         return (0);
6258
6259 out:
6260         free(line);
6261         fclose(config);
6262         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6263
6264         return (1);
6265 }
6266
6267 void
6268 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6269 {
6270         struct ws_win           *parent, *w;
6271         struct swm_region       *r;
6272         struct workspace        *ws;
6273         xcb_icccm_wm_hints_t    wmh;
6274
6275         parent = find_window(win->transient);
6276         if (parent)
6277                 parent->child_trans = win;
6278         else {
6279                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6280                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6281
6282                 r = root_to_region(win->wa->root);
6283                 ws = r->ws;
6284                 /* parent doen't exist in our window list */
6285                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6286                         if (xcb_icccm_get_wm_hints_reply(conn,
6287                             xcb_icccm_get_wm_hints(conn, w->id),
6288                             &wmh, NULL) != 1) {
6289                                 warnx("can't get hints for 0x%x", w->id);
6290                                 continue;
6291                         }
6292
6293                         if (win->hints.window_group != wmh.window_group)
6294                                 continue;
6295
6296                         w->child_trans = win;
6297                         win->transient = w->id;
6298                         *trans = w->id;
6299                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6300                             "transient to 0x%x\n", win->transient);
6301                         break;
6302                 }
6303         }
6304 }
6305
6306 pid_t
6307 window_get_pid(xcb_window_t win)
6308 {
6309         pid_t                           ret = 0;
6310         const char                      *errstr;
6311         xcb_atom_t                      apid;
6312         xcb_get_property_cookie_t       pc;
6313         xcb_get_property_reply_t        *pr;
6314
6315         apid = get_atom_from_string("_NET_WM_PID");
6316         if (apid == XCB_ATOM_NONE)
6317                 goto tryharder;
6318
6319         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6320         pr = xcb_get_property_reply(conn, pc, NULL);
6321         if (!pr)
6322                 goto tryharder;
6323         if (pr->type != XCB_ATOM_CARDINAL) {
6324                 free(pr);
6325                 goto tryharder;
6326         }
6327
6328         ret = *((pid_t *)xcb_get_property_value(pr));
6329         free(pr);
6330
6331         return (ret);
6332
6333 tryharder:
6334         apid = get_atom_from_string("_SWM_PID");
6335         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6336             0, SWM_PROPLEN);
6337         pr = xcb_get_property_reply(conn, pc, NULL);
6338         if (!pr)
6339                 return (0);
6340         if (pr->type != XCB_ATOM_STRING) {
6341                 free(pr);
6342                 return (0);
6343         }
6344
6345         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6346         free(pr);
6347
6348         return (ret);
6349 }
6350
6351 struct ws_win *
6352 manage_window(xcb_window_t id)
6353 {
6354         xcb_window_t            trans = XCB_WINDOW_NONE;
6355         struct workspace        *ws;
6356         struct ws_win           *win, *ww;
6357         int                     ws_idx, border_me = 0;
6358         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6359         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6360         size_t                  proplen;
6361         struct swm_region       *r;
6362         const char              *errstr;
6363         struct pid_e            *p;
6364         struct quirk            *qp;
6365         uint32_t                event_mask, i;
6366         xcb_atom_t              prot;
6367         xcb_get_property_reply_t        *gpr;
6368         xcb_icccm_get_wm_protocols_reply_t      wpr;
6369
6370         if ((win = find_window(id)) != NULL)
6371                 return (win);   /* already being managed */
6372
6373         /* see if we are on the unmanaged list */
6374         if ((win = find_unmanaged_window(id)) != NULL) {
6375                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6376                     "window: 0x%x\n", win->id);
6377                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6378                 if (win->transient)
6379                         set_child_transient(win, &trans);
6380
6381                 if (trans && (ww = find_window(trans)))
6382                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6383                 else if ((ww = win->ws->focus) &&
6384                     spawn_position == SWM_STACK_ABOVE)
6385                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6386                             win, entry);
6387                 else if (ww && spawn_position == SWM_STACK_BELOW)
6388                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6389                 else switch (spawn_position) {
6390                 default:
6391                 case SWM_STACK_TOP:
6392                 case SWM_STACK_ABOVE:
6393                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6394                         break;
6395                 case SWM_STACK_BOTTOM:
6396                 case SWM_STACK_BELOW:
6397                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6398                 }
6399
6400                 ewmh_update_actions(win);
6401                 return (win);
6402         }
6403
6404         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6405                 err(1, "manage_window: calloc: failed to allocate memory for "
6406                     "new window");
6407
6408         win->id = id;
6409         win->bordered = 0;
6410
6411         /* see if we need to override the workspace */
6412         p = find_pid(window_get_pid(id));
6413
6414         /* Get all the window data in one shot */
6415         ws_idx_atom = get_atom_from_string("_SWM_WS");
6416         if (ws_idx_atom) {
6417                 gpr = xcb_get_property_reply(conn,
6418                         xcb_get_property(conn, False, id, ws_idx_atom,
6419                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6420                         NULL);
6421                 if (gpr) {
6422                         proplen = xcb_get_property_value_length(gpr);
6423                         if (proplen > 0) {
6424                                 prop = malloc(proplen + 1);
6425                                 if (prop) {
6426                                         memcpy(prop,
6427                                             xcb_get_property_value(gpr),
6428                                             proplen);
6429                                         prop[proplen] = '\0';
6430                                 }
6431                         }
6432                         free(gpr);
6433                 }
6434         }
6435         win->wa = xcb_get_geometry_reply(conn,
6436             xcb_get_geometry(conn, id),
6437             NULL);
6438         xcb_icccm_get_wm_normal_hints_reply(conn,
6439             xcb_icccm_get_wm_normal_hints(conn, id),
6440             &win->sh, NULL);
6441         xcb_icccm_get_wm_hints_reply(conn,
6442             xcb_icccm_get_wm_hints(conn, id),
6443             &win->hints, NULL);
6444         xcb_icccm_get_wm_transient_for_reply(conn,
6445             xcb_icccm_get_wm_transient_for(conn, id),
6446             &trans, NULL);
6447         if (trans) {
6448                 win->transient = trans;
6449                 set_child_transient(win, &trans);
6450                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6451                     "transient: 0x%x\n", win->id, win->transient);
6452         }
6453
6454         prot = get_atom_from_string("WM_PROTOCOLS");
6455
6456         /* get supported protocols */
6457         if (xcb_icccm_get_wm_protocols_reply(conn,
6458             xcb_icccm_get_wm_protocols(conn, id, prot),
6459             &wpr, NULL)) {
6460                 for (i = 0; i < wpr.atoms_len; i++) {
6461                         if (wpr.atoms[i] == a_takefocus)
6462                                 win->take_focus = 1;
6463                         if (wpr.atoms[i] == a_delete)
6464                                 win->can_delete = 1;
6465                 }
6466                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6467         }
6468
6469         win->iconic = get_iconic(win);
6470
6471         /*
6472          * Figure out where to put the window. If it was previously assigned to
6473          * a workspace (either by spawn() or manually moving), and isn't
6474          * transient, * put it in the same workspace
6475          */
6476         r = root_to_region(win->wa->root);
6477         if (p) {
6478                 ws = &r->s->ws[p->ws];
6479                 TAILQ_REMOVE(&pidlist, p, entry);
6480                 free(p);
6481                 p = NULL;
6482         } else if (prop && win->transient == 0) {
6483                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6484                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1,
6485                     &errstr);
6486                 if (errstr) {
6487                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6488                             errstr, prop);
6489                 }
6490                 ws = &r->s->ws[ws_idx];
6491         } else {
6492                 ws = r->ws;
6493                 /* this should launch transients in the same ws as parent */
6494                 if (id && trans)
6495                         if ((ww = find_window(trans)) != NULL)
6496                                 if (ws->r) {
6497                                         ws = ww->ws;
6498                                         if (ww->ws->r)
6499                                                 r = ww->ws->r;
6500                                         else
6501                                                 warnx("manage_window: fix this "
6502                                                     "bug mcbride");
6503                                         border_me = 1;
6504                                 }
6505         }
6506
6507         /* set up the window layout */
6508         win->id = id;
6509         win->ws = ws;
6510         win->s = r->s;  /* this never changes */
6511         if (trans && (ww = find_window(trans)))
6512                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6513         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6514                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6515                     entry);
6516         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6517                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6518         else switch (spawn_position) {
6519         default:
6520         case SWM_STACK_TOP:
6521         case SWM_STACK_ABOVE:
6522                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6523                 break;
6524         case SWM_STACK_BOTTOM:
6525         case SWM_STACK_BELOW:
6526                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6527         }
6528
6529         /* ignore window border if there is one. */
6530         WIDTH(win) = win->wa->width;
6531         HEIGHT(win) = win->wa->height;
6532         X(win) = win->wa->x + win->wa->border_width;
6533         Y(win) = win->wa->y + win->wa->border_width;
6534         win->bordered = 0;
6535         win->g_floatvalid = 0;
6536         win->floatmaxed = 0;
6537         win->ewmh_flags = 0;
6538
6539         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6540             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6541             HEIGHT(win), ws->idx);
6542
6543         constrain_window(win, r, 0);
6544
6545         /* Set window properties so we can remember this after reincarnation */
6546         if (ws_idx_atom && prop == NULL &&
6547             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6548                 SWM_PROPLEN) {
6549                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6550                     ws_idx_str);
6551                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6552                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6553                     ws_idx_str);
6554         }
6555         if (prop)
6556                 free(prop);
6557
6558         ewmh_autoquirk(win);
6559
6560         if (xcb_icccm_get_wm_class_reply(conn,
6561             xcb_icccm_get_wm_class(conn, win->id),
6562             &win->ch, NULL)) {
6563                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6564                     win->ch.class_name, win->ch.instance_name);
6565
6566                 /* java is retarded so treat it special */
6567                 if (strstr(win->ch.instance_name, "sun-awt")) {
6568                         win->java = 1;
6569                         border_me = 1;
6570                 }
6571
6572                 TAILQ_FOREACH(qp, &quirks, entry) {
6573                         if (!strcmp(win->ch.class_name, qp->class) &&
6574                             !strcmp(win->ch.instance_name, qp->name)) {
6575                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6576                                     "class: %s, name: %s\n", win->ch.class_name,
6577                                     win->ch.instance_name);
6578                                 if (qp->quirk & SWM_Q_FLOAT) {
6579                                         win->floating = 1;
6580                                         border_me = 1;
6581                                 }
6582                                 win->quirks = qp->quirk;
6583                         }
6584                 }
6585         }
6586
6587         /* alter window position if quirky */
6588         if (win->quirks & SWM_Q_ANYWHERE) {
6589                 win->manual = 1; /* don't center the quirky windows */
6590                 if (bar_enabled && Y(win) < bar_height)
6591                         Y(win) = bar_height;
6592                 if (WIDTH(win) + X(win) > WIDTH(r))
6593                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6594                 border_me = 1;
6595         }
6596
6597         /* Reset font sizes (the bruteforce way; no default keybinding). */
6598         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6599                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6600                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6601                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6602                         fake_keypress(win, XK_KP_Add, ShiftMask);
6603         }
6604
6605         ewmh_get_win_state(win);
6606         ewmh_update_actions(win);
6607         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6608
6609         /* border me */
6610         if (border_me) {
6611                 win->bordered = 1;
6612                 X(win) -= border_width;
6613                 Y(win) -= border_width;
6614                 update_window(win);
6615         }
6616
6617         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6618             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6619
6620         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6621
6622         /* floaters need to be mapped if they are in the current workspace */
6623         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6624                 map_window_raised(win->id);
6625
6626         return (win);
6627 }
6628
6629 void
6630 free_window(struct ws_win *win)
6631 {
6632         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6633
6634         if (win == NULL)
6635                 return;
6636
6637         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6638
6639         if (win->wa)
6640                 free(win->wa);
6641
6642         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6643
6644         kill_refs(win);
6645
6646         /* paint memory */
6647         memset(win, 0xff, sizeof *win); /* XXX kill later */
6648
6649         free(win);
6650         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6651 }
6652
6653 void
6654 unmanage_window(struct ws_win *win)
6655 {
6656         struct ws_win           *parent;
6657         xcb_screen_t            *screen;
6658
6659         if (win == NULL)
6660                 return;
6661
6662         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6663
6664         if (win->transient) {
6665                 parent = find_window(win->transient);
6666                 if (parent)
6667                         parent->child_trans = NULL;
6668         }
6669
6670         /* focus on root just in case */
6671         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6672         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6673             screen->root, XCB_CURRENT_TIME);
6674
6675         focus_prev(win);
6676
6677         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6678         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6679 }
6680
6681 void
6682 focus_magic(struct ws_win *win)
6683 {
6684         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6685
6686         if (win == NULL) {
6687                 /* if there are no windows clear the status-bar */
6688                 bar_update();
6689                 return;
6690         }
6691
6692         if (win->child_trans) {
6693                 /* win = parent & has a transient so focus on that */
6694                 if (win->java) {
6695                         focus_win(win->child_trans);
6696                         if (win->child_trans->take_focus)
6697                                 client_msg(win, a_takefocus);
6698                 } else {
6699                         /* make sure transient hasn't disappeared */
6700                         if (validate_win(win->child_trans) == 0) {
6701                                 focus_win(win->child_trans);
6702                                 if (win->child_trans->take_focus)
6703                                         client_msg(win->child_trans,
6704                                             a_takefocus);
6705                         } else {
6706                                 win->child_trans = NULL;
6707                                 focus_win(win);
6708                                 if (win->take_focus)
6709                                         client_msg(win, a_takefocus);
6710                         }
6711                 }
6712         } else {
6713                 /* regular focus */
6714                 focus_win(win);
6715                 if (win->take_focus)
6716                         client_msg(win, a_takefocus);
6717         }
6718 }
6719
6720 void
6721 expose(xcb_expose_event_t *e)
6722 {
6723         int                     i, num_screens;
6724         struct swm_region       *r;
6725
6726         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6727
6728         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6729         for (i = 0; i < num_screens; i++)
6730                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6731                         if (e->window == WINID(r->bar))
6732                                 bar_update();
6733
6734         xcb_flush(conn);
6735 }
6736
6737 void
6738 keypress(xcb_key_press_event_t *e)
6739 {
6740         xcb_keysym_t            keysym;
6741         struct key              *kp;
6742
6743         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6744
6745         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6746
6747         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6748                 return;
6749
6750         if (kp->funcid == KF_SPAWN_CUSTOM)
6751                 spawn_custom(root_to_region(e->root),
6752                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6753         else if (keyfuncs[kp->funcid].func)
6754                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6755                     &(keyfuncs[kp->funcid].args));
6756 }
6757
6758 void
6759 buttonpress(xcb_button_press_event_t *e)
6760 {
6761         struct ws_win           *win;
6762         int                     i;
6763         unsigned int            action;
6764
6765         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6766             e->event, e->detail);
6767
6768         if ((win = find_window(e->event)) == NULL)
6769                 return;
6770
6771         focus_magic(win);
6772         action = client_click;
6773
6774         for (i = 0; i < LENGTH(buttons); i++)
6775                 if (action == buttons[i].action && buttons[i].func &&
6776                     buttons[i].button == e->detail &&
6777                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6778                         buttons[i].func(win, &buttons[i].args);
6779
6780         xcb_flush(conn);
6781 }
6782
6783 #ifdef SWM_DEBUG
6784 void
6785 print_win_geom(xcb_window_t w)
6786 {
6787         xcb_get_geometry_reply_t        *wa;
6788
6789
6790         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6791
6792         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6793             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6794             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6795             wa->border_width);
6796
6797         free(wa);
6798 }
6799 #endif
6800
6801 void
6802 configurerequest(xcb_configure_request_event_t *e)
6803 {
6804         struct ws_win           *win;
6805         int                     new = 0, i = 0;
6806         uint16_t                mask = 0;
6807         uint32_t                wc[7] = {0};
6808
6809         if ((win = find_window(e->window)) == NULL)
6810                 if ((win = find_unmanaged_window(e->window)) == NULL)
6811                         new = 1;
6812 #ifdef SWM_DEBUG
6813         print_win_geom(e->window);
6814 #endif
6815         if (new) {
6816                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6817                     "value_mask: 0x%x", e->window, e->value_mask);
6818                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6819                         mask |= XCB_CONFIG_WINDOW_X;
6820                         wc[i++] = e->x;
6821                         DPRINTF(", X: %d", e->x);
6822                 }
6823                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6824                         mask |= XCB_CONFIG_WINDOW_Y;
6825                         wc[i++] = e->y;
6826                         DPRINTF(", Y: %d", e->y);
6827                 }
6828                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6829                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6830                         wc[i++] = e->width;
6831                         DPRINTF(", W: %u", e->width);
6832                 }
6833                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6834                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6835                         wc[i++] = e->height;
6836                         DPRINTF(", H: %u", e->height);
6837                 }
6838                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6839                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6840                         wc[i++] = e->border_width;
6841                         DPRINTF(", Border: %u", e->border_width);
6842                 }
6843                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6844                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6845                         wc[i++] = e->sibling;
6846                         DPRINTF(", Sibling: 0x%x", e->sibling);
6847                 }
6848                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6849                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6850                         wc[i++] = e->stack_mode;
6851                         DPRINTF(", StackMode: %u", e->stack_mode);
6852                 }
6853
6854                 if (mask != 0)
6855                         xcb_configure_window(conn, e->window, mask, wc);
6856
6857                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6858         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6859             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6860                 win->g_float.x = e->x - X(win->ws->r);
6861                 win->g_float.y = e->y - Y(win->ws->r);
6862                 win->g_float.w = e->width;
6863                 win->g_float.h = e->height;
6864                 win->g_floatvalid = 1;
6865
6866                 if (win->floating) {
6867                         win->g = win->g_float;
6868                         win->g.x += X(win->ws->r);
6869                         win->g.y += Y(win->ws->r);
6870                         update_window(win);
6871                 } else {
6872                         config_win(win, e);
6873                 }
6874         } else {
6875                 config_win(win, e);
6876         }
6877
6878         xcb_flush(conn);
6879 }
6880
6881 void
6882 configurenotify(xcb_configure_notify_event_t *e)
6883 {
6884         struct ws_win           *win;
6885
6886         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6887             e->window);
6888
6889         win = find_window(e->window);
6890         if (win) {
6891                 xcb_icccm_get_wm_normal_hints_reply(conn,
6892                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6893                     &win->sh, NULL);
6894                 adjust_font(win);
6895                 if (font_adjusted)
6896                         stack();
6897         }
6898 }
6899
6900 void
6901 destroynotify(xcb_destroy_notify_event_t *e)
6902 {
6903         struct ws_win           *win;
6904
6905         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6906
6907         if ((win = find_window(e->window)) == NULL) {
6908                 if ((win = find_unmanaged_window(e->window)) == NULL)
6909                         return;
6910                 free_window(win);
6911                 return;
6912         }
6913
6914         /* make sure we focus on something */
6915         win->floating = 0;
6916
6917         unmanage_window(win);
6918         stack();
6919         free_window(win);
6920 }
6921
6922 void
6923 enternotify(xcb_enter_notify_event_t *e)
6924 {
6925         struct ws_win           *win;
6926         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6927             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6928             "state: %d\n", e->event, e->mode, e->detail, e->root,
6929             e->child, YESNO(e->same_screen_focus), e->state);
6930
6931         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6932                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6933                     "cursor grab.\n");
6934                 return;
6935         }
6936
6937         switch (focus_mode) {
6938         case SWM_FOCUS_DEFAULT:
6939                 break;
6940         case SWM_FOCUS_FOLLOW:
6941                 break;
6942         case SWM_FOCUS_SYNERGY:
6943                 break;
6944         }
6945
6946         if ((win = find_window(e->event)) == NULL) {
6947                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6948                 return;
6949         }
6950
6951         focus_magic(win);
6952
6953         xcb_flush(conn);
6954 }
6955
6956 /* lets us use one switch statement for arbitrary mode/detail combinations */
6957 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6958
6959 void
6960 mapnotify(xcb_map_notify_event_t *e)
6961 {
6962         struct ws_win           *win;
6963
6964         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6965
6966         win = manage_window(e->window);
6967         if (win)
6968                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6969
6970         /*
6971          * focus_win can only set input focus on a mapped window.
6972          * make sure the window really has focus since it is just being mapped.
6973          */
6974         if (win->ws->focus == win)
6975                 focus_win(win);
6976 }
6977
6978 void
6979 mappingnotify(xcb_mapping_notify_event_t *e)
6980 {
6981         xcb_refresh_keyboard_mapping(syms, e);
6982
6983         if (e->request == XCB_MAPPING_KEYBOARD)
6984                 grabkeys();
6985 }
6986
6987 void
6988 maprequest(xcb_map_request_event_t *e)
6989 {
6990         struct ws_win           *win;
6991         struct swm_region       *r;
6992         xcb_get_window_attributes_reply_t *war;
6993
6994         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6995             e->window);
6996
6997         war = xcb_get_window_attributes_reply(conn,
6998             xcb_get_window_attributes(conn, e->window),
6999             NULL);
7000         if (!war)
7001                 return;
7002         if (war->override_redirect) {
7003                 free(war);
7004                 return;
7005         }
7006         free(war);
7007
7008         win = manage_window(e->window);
7009         if (win == NULL) {
7010                 return; /* can't happen */
7011         }
7012
7013         stack();
7014
7015         /* make new win focused */
7016         r = root_to_region(win->wa->root);
7017         if (win->ws == r->ws)
7018                 focus_magic(win);
7019 }
7020
7021 #ifdef SWM_DEBUG
7022 char *
7023 get_atom_name(xcb_atom_t atom)
7024 {
7025         char                            *name;
7026         size_t                          len;
7027         xcb_get_atom_name_reply_t       *r;
7028         xcb_map_request_event_t         mre;
7029
7030         r = xcb_get_atom_name_reply(conn,
7031             xcb_get_atom_name(conn, atom),
7032             NULL);
7033         if (r) {
7034                 len = xcb_get_atom_name_name_length(r);
7035                 if (len > 0) {
7036                         name = malloc(len + 1);
7037                         if (name) {
7038                                 memcpy(name, xcb_get_atom_name_name(r), len);
7039                                 name[len] = '\0';
7040
7041                                 return name;
7042                         }
7043                 }
7044                 free(r);
7045         }
7046
7047         return NULL;
7048 }
7049 #endif
7050
7051 void
7052 propertynotify(xcb_property_notify_event_t *e)
7053 {
7054         struct ws_win           *win;
7055 #ifdef SWM_DEBUG
7056         char                    *name;
7057
7058         name = get_atom_name(e->atom);
7059         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7060             e->window, name, e->atom);
7061         free(name);
7062 #endif
7063
7064         win = find_window(e->window);
7065         if (win == NULL)
7066                 return;
7067
7068         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7069                 update_iconic(win, 0);
7070                 map_window_raised(win->id);
7071                 stack();
7072                 focus_win(win);
7073                 return;
7074         }
7075
7076         switch (e->atom) {
7077         case XCB_ATOM_WM_CLASS:
7078         case XCB_ATOM_WM_NAME:
7079                 bar_update();
7080                 break;
7081         default:
7082                 break;
7083         }
7084 }
7085
7086 void
7087 unmapnotify(xcb_unmap_notify_event_t *e)
7088 {
7089         struct ws_win           *win;
7090
7091         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7092
7093         /* determine if we need to help unmanage this window */
7094         win = find_window(e->window);
7095         if (win == NULL)
7096                 return;
7097
7098         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7099                 unmanage_window(win);
7100                 stack();
7101
7102                 /* resend unmap because we ated it */
7103                 xcb_unmap_window(conn, e->window);
7104                 xcb_flush(conn);
7105         }
7106 }
7107
7108 /*void
7109 visibilitynotify(xcb_visibility_notify_event_t *e)
7110 {
7111         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7112             e->window);
7113 }*/
7114
7115 void
7116 clientmessage(xcb_client_message_event_t *e)
7117 {
7118         struct ws_win *win;
7119         xcb_map_request_event_t mre;
7120 #ifdef SWM_DEBUG
7121         char                    *name;
7122
7123         name = get_atom_name(e->type);
7124         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7125             e->window, name, e->type);
7126         free(name);
7127 #endif
7128         win = find_window(e->window);
7129
7130         if (win == NULL) {
7131                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7132                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7133                             "unmanaged window.\n");
7134                         mre.window = e->window;
7135                         maprequest(&mre);
7136                 }
7137                 return;
7138         }
7139
7140         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7141                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7142                 focus_win(win);
7143         }
7144         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7145                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7146                 if (win->can_delete)
7147                         client_msg(win, a_delete);
7148                 else
7149                         xcb_kill_client(conn, win->id);
7150         }
7151         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7152                 DNPRINTF(SWM_D_EVENT,
7153                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7154                 if (win->floating) {
7155                         if (e->data.data32[0] & (1<<8)) /* x */
7156                                 X(win) = e->data.data32[1];
7157                         if (e->data.data32[0] & (1<<9)) /* y */
7158                                 Y(win) = e->data.data32[2];
7159                         if (e->data.data32[0] & (1<<10)) /* width */
7160                                 WIDTH(win) = e->data.data32[3];
7161                         if (e->data.data32[0] & (1<<11)) /* height */
7162                                 HEIGHT(win) = e->data.data32[4];
7163
7164                         update_window(win);
7165                 }
7166                 else {
7167                         /* TODO: Change stack sizes */
7168                         /* notify no change was made. */
7169                         config_win(win, NULL);
7170                 }
7171         }
7172         if (e->type == ewmh[_NET_WM_STATE].atom) {
7173                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7174                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7175                 if (e->data.data32[2])
7176                         ewmh_update_win_state(win, e->data.data32[2],
7177                             e->data.data32[0]);
7178
7179                 stack();
7180         }
7181
7182         xcb_flush(conn);
7183 }
7184
7185 int
7186 enable_wm(void)
7187 {
7188         int                     num_screens, i;
7189         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7190         xcb_screen_t            *sc;
7191         xcb_void_cookie_t       wac;
7192         xcb_generic_error_t     *error;
7193
7194         /* this causes an error if some other window manager is running */
7195         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7196         for (i = 0; i < num_screens; i++) {
7197                 sc = get_screen(i);
7198                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7199                     i, sc->root);
7200                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7201                         XCB_CW_EVENT_MASK, &val);
7202                 if ((error = xcb_request_check(conn, wac))) {
7203                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7204                             error->error_code);
7205                         free(error);
7206                         return 1;
7207                 }
7208         }
7209
7210         return 0;
7211 }
7212
7213 void
7214 new_region(struct swm_screen *s, int x, int y, int w, int h)
7215 {
7216         struct swm_region       *r, *n;
7217         struct workspace        *ws = NULL;
7218         int                     i;
7219
7220         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7221              s->idx, w, h, x, y);
7222
7223         /* remove any conflicting regions */
7224         n = TAILQ_FIRST(&s->rl);
7225         while (n) {
7226                 r = n;
7227                 n = TAILQ_NEXT(r, entry);
7228                 if (X(r) < (x + w) &&
7229                     (X(r) + WIDTH(r)) > x &&
7230                     Y(r) < (y + h) &&
7231                     (Y(r) + HEIGHT(r)) > y) {
7232                         if (r->ws->r != NULL)
7233                                 r->ws->old_r = r->ws->r;
7234                         r->ws->r = NULL;
7235                         bar_cleanup(r);
7236                         TAILQ_REMOVE(&s->rl, r, entry);
7237                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7238                 }
7239         }
7240
7241         /* search old regions for one to reuse */
7242
7243         /* size + location match */
7244         TAILQ_FOREACH(r, &s->orl, entry)
7245                 if (X(r) == x && Y(r) == y &&
7246                     HEIGHT(r) == h && WIDTH(r) == w)
7247                         break;
7248
7249         /* size match */
7250         TAILQ_FOREACH(r, &s->orl, entry)
7251                 if (HEIGHT(r) == h && WIDTH(r) == w)
7252                         break;
7253
7254         if (r != NULL) {
7255                 TAILQ_REMOVE(&s->orl, r, entry);
7256                 /* try to use old region's workspace */
7257                 if (r->ws->r == NULL)
7258                         ws = r->ws;
7259         } else
7260                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7261                         err(1, "new_region: calloc: failed to allocate memory "
7262                             "for screen");
7263
7264         /* if we don't have a workspace already, find one */
7265         if (ws == NULL) {
7266                 for (i = 0; i < workspace_limit; i++)
7267                         if (s->ws[i].r == NULL) {
7268                                 ws = &s->ws[i];
7269                                 break;
7270                         }
7271         }
7272
7273         if (ws == NULL)
7274                 errx(1, "new_region: no free workspaces");
7275
7276         X(r) = x;
7277         Y(r) = y;
7278         WIDTH(r) = w;
7279         HEIGHT(r) = h;
7280         r->s = s;
7281         r->ws = ws;
7282         r->ws_prior = NULL;
7283         ws->r = r;
7284         outputs++;
7285         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7286 }
7287
7288 void
7289 scan_xrandr(int i)
7290 {
7291 #ifdef SWM_XRR_HAS_CRTC
7292         int                                             c;
7293         int                                             ncrtc = 0;
7294 #endif /* SWM_XRR_HAS_CRTC */
7295         struct swm_region                               *r;
7296         int                                             num_screens;
7297         xcb_randr_get_screen_resources_current_cookie_t src;
7298         xcb_randr_get_screen_resources_current_reply_t  *srr;
7299         xcb_randr_get_crtc_info_cookie_t                cic;
7300         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7301         xcb_randr_crtc_t                                *crtc;
7302         xcb_screen_t                                    *screen = get_screen(i);
7303
7304         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7305         if (i >= num_screens)
7306                 errx(1, "scan_xrandr: invalid screen");
7307
7308         /* remove any old regions */
7309         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7310                 r->ws->old_r = r->ws->r = NULL;
7311                 bar_cleanup(r);
7312                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7313                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7314         }
7315         outputs = 0;
7316
7317         /* map virtual screens onto physical screens */
7318 #ifdef SWM_XRR_HAS_CRTC
7319         if (xrandr_support) {
7320                 src = xcb_randr_get_screen_resources_current(conn,
7321                     screens[i].root);
7322                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7323                     NULL);
7324                 if (srr == NULL) {
7325                         new_region(&screens[i], 0, 0,
7326                             screen->width_in_pixels,
7327                             screen->height_in_pixels);
7328                         return;
7329                 } else
7330                         ncrtc = srr->num_crtcs;
7331                 for (c = 0; c < ncrtc; c++) {
7332                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7333                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7334                             XCB_CURRENT_TIME);
7335                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7336                         if (cir == NULL)
7337                                 continue;
7338                         if (cir->num_outputs == 0) {
7339                                 free(cir);
7340                                 continue;
7341                         }
7342
7343                         if (cir->mode == 0)
7344                                 new_region(&screens[i], 0, 0,
7345                                     screen->width_in_pixels,
7346                                     screen->height_in_pixels);
7347                         else
7348                                 new_region(&screens[i],
7349                                     cir->x, cir->y, cir->width, cir->height);
7350                         free(cir);
7351                 }
7352                 free(srr);
7353         } else
7354 #endif /* SWM_XRR_HAS_CRTC */
7355         {
7356                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7357                     screen->height_in_pixels);
7358         }
7359 }
7360
7361 void
7362 screenchange(xcb_randr_screen_change_notify_event_t *e)
7363 {
7364         struct swm_region               *r;
7365         int                             i, num_screens;
7366
7367         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7368
7369         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7370         /* silly event doesn't include the screen index */
7371         for (i = 0; i < num_screens; i++)
7372                 if (screens[i].root == e->root)
7373                         break;
7374         if (i >= num_screens)
7375                 errx(1, "screenchange: screen not found");
7376
7377         /* brute force for now, just re-enumerate the regions */
7378         scan_xrandr(i);
7379
7380 #ifdef SWM_DEBUG
7381         print_win_geom(e->root);
7382 #endif
7383         /* add bars to all regions */
7384         for (i = 0; i < num_screens; i++)
7385                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7386                         bar_setup(r);
7387         stack();
7388 }
7389
7390 void
7391 grab_windows(void)
7392 {
7393         xcb_window_t            *wins   = NULL;
7394         int                     no;
7395         int                     i, j, num_screens;
7396         uint16_t                state, manage;
7397
7398         xcb_query_tree_cookie_t                 qtc;
7399         xcb_query_tree_reply_t                  *qtr;
7400         xcb_get_window_attributes_cookie_t      c;
7401         xcb_get_window_attributes_reply_t       *r;
7402         xcb_get_property_cookie_t               pc;
7403
7404         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7405         for (i = 0; i < num_screens; i++) {
7406                 qtc = xcb_query_tree(conn, screens[i].root);
7407                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7408                 if (!qtr)
7409                         continue;
7410                 wins = xcb_query_tree_children(qtr);
7411                 no = xcb_query_tree_children_length(qtr);
7412                 /* attach windows to a region */
7413                 /* normal windows */
7414                 for (j = 0; j < no; j++) {
7415                         c = xcb_get_window_attributes(conn, wins[j]);
7416                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7417                         if (!r)
7418                                 continue;
7419                         if (r->override_redirect) {
7420                                 free(r);
7421                                 continue;
7422                         }
7423
7424                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7425                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7426                             &wins[j], NULL)) {
7427                                 free(r);
7428                                 continue;
7429                         }
7430
7431                         state = getstate(wins[j]);
7432                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7433                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7434                                 manage_window(wins[j]);
7435                         free(r);
7436                 }
7437                 /* transient windows */
7438                 for (j = 0; j < no; j++) {
7439                         c = xcb_get_window_attributes(conn, wins[j]);
7440                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7441                         if (!r)
7442                                 continue;
7443                         if (r->override_redirect) {
7444                                 free(r);
7445                                 continue;
7446                         }
7447                         free(r);
7448
7449                         state = getstate(wins[j]);
7450                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7451                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7452                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7453                             &wins[j], NULL) && manage)
7454                                 manage_window(wins[j]);
7455                 }
7456                 free(qtr);
7457         }
7458 }
7459
7460 void
7461 setup_screens(void)
7462 {
7463         int                     i, j, k, num_screens;
7464         struct workspace        *ws;
7465         uint32_t                gcv[1], wa[1];
7466         const xcb_query_extension_reply_t *qep;
7467         xcb_cursor_t                            cursor;
7468         xcb_font_t                              cursor_font;
7469         xcb_randr_query_version_cookie_t        c;
7470         xcb_randr_query_version_reply_t         *r;
7471
7472         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7473         if ((screens = calloc(num_screens,
7474              sizeof(struct swm_screen))) == NULL)
7475                 err(1, "setup_screens: calloc: failed to allocate memory for "
7476                     "screens");
7477
7478         /* initial Xrandr setup */
7479         xrandr_support = False;
7480         c = xcb_randr_query_version(conn, True, True);
7481         r = xcb_randr_query_version_reply(conn, c, NULL);
7482         if (r) {
7483                 if (r->major_version >= 1)
7484                         xrandr_support = True;
7485                 free(r);
7486         }
7487         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7488         xrandr_eventbase = qep->first_event;
7489
7490         cursor_font = xcb_generate_id(conn);
7491         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7492
7493         cursor = xcb_generate_id(conn);
7494         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7495                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7496         wa[0] = cursor;
7497
7498         /* map physical screens */
7499         for (i = 0; i < num_screens; i++) {
7500                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7501                 screens[i].idx = i;
7502                 TAILQ_INIT(&screens[i].rl);
7503                 TAILQ_INIT(&screens[i].orl);
7504                 screens[i].root = get_screen(i)->root;
7505
7506                 /* set default colors */
7507                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7508                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7509                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7510                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7511                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7512
7513                 /* create graphics context on screen */
7514                 screens[i].bar_gc = xcb_generate_id(conn);
7515                 gcv[0] = 0;
7516                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7517                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7518
7519                 /* set default cursor */
7520                 xcb_change_window_attributes(conn, screens[i].root,
7521                     XCB_CW_CURSOR, wa);
7522
7523                 /* init all workspaces */
7524                 /* XXX these should be dynamically allocated too */
7525                 for (j = 0; j < SWM_WS_MAX; j++) {
7526                         ws = &screens[i].ws[j];
7527                         ws->idx = j;
7528                         ws->name = NULL;
7529                         ws->focus = NULL;
7530                         ws->r = NULL;
7531                         ws->old_r = NULL;
7532                         TAILQ_INIT(&ws->winlist);
7533                         TAILQ_INIT(&ws->unmanagedlist);
7534
7535                         for (k = 0; layouts[k].l_stack != NULL; k++)
7536                                 if (layouts[k].l_config != NULL)
7537                                         layouts[k].l_config(ws,
7538                                             SWM_ARG_ID_STACKINIT);
7539                         ws->cur_layout = &layouts[0];
7540                         ws->cur_layout->l_string(ws);
7541                 }
7542
7543                 scan_xrandr(i);
7544
7545                 if (xrandr_support)
7546                         xcb_randr_select_input(conn, screens[i].root,
7547                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7548         }
7549         xcb_free_cursor(conn, cursor);
7550         xcb_close_font(conn, cursor_font);
7551 }
7552
7553 void
7554 setup_globals(void)
7555 {
7556         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7557                 err(1, "setup_globals: strdup: failed to allocate memory.");
7558
7559         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7560                 err(1, "setup_globals: strdup: failed to allocate memory.");
7561
7562         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7563                 errx(1, "unable to allocate key symbols");
7564
7565         a_state = get_atom_from_string("WM_STATE");
7566         a_prot = get_atom_from_string("WM_PROTOCOLS");
7567         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7568         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7569         a_wmname = get_atom_from_string("WM_NAME");
7570         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7571         a_utf8_string = get_atom_from_string("UTF8_STRING");
7572         a_string = get_atom_from_string("STRING");
7573         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7574 }
7575
7576 void
7577 workaround(void)
7578 {
7579         int                     i, num_screens;
7580         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7581         xcb_window_t            root, win;
7582         uint32_t                wa[2];
7583
7584         /* work around sun jdk bugs, code from wmname */
7585         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7586         netwmname = get_atom_from_string("_NET_WM_NAME");
7587         utf8_string = get_atom_from_string("UTF8_STRING");
7588
7589         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7590         for (i = 0; i < num_screens; i++) {
7591                 root = screens[i].root;
7592
7593                 win = xcb_generate_id(conn);
7594                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7595                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7596                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7597                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7598                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7599
7600                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7601                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7602                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7603                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7604                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7605                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7606         }
7607 }
7608
7609 void
7610 event_error(xcb_generic_error_t *e)
7611 {
7612         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7613             "resource_id: %u, minor_code: %u\n",
7614             xcb_event_get_error_label(e->error_code), e->error_code,
7615             xcb_event_get_request_label(e->major_code), e->major_code,
7616             e->sequence, e->resource_id, e->minor_code);
7617 }
7618
7619 void
7620 event_handle(xcb_generic_event_t *evt)
7621 {
7622         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7623
7624         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7625             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7626             XCB_EVENT_RESPONSE_TYPE(evt));
7627
7628         switch (type) {
7629 #define EVENT(type, callback) case type: callback((void *)evt); return
7630         EVENT(0, event_error);
7631         EVENT(XCB_BUTTON_PRESS, buttonpress);
7632         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7633         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7634         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7635         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7636         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7637         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7638         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7639         /*EVENT(XCB_CREATE_NOTIFY, );*/
7640         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7641         EVENT(XCB_ENTER_NOTIFY, enternotify);
7642         EVENT(XCB_EXPOSE, expose);
7643         /*EVENT(XCB_FOCUS_IN, );*/
7644         /*EVENT(XCB_FOCUS_OUT, );*/
7645         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7646         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7647         EVENT(XCB_KEY_PRESS, keypress);
7648         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7649         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7650         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7651         EVENT(XCB_MAP_NOTIFY, mapnotify);
7652         EVENT(XCB_MAP_REQUEST, maprequest);
7653         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7654         /*EVENT(XCB_MOTION_NOTIFY, );*/
7655         /*EVENT(XCB_NO_EXPOSURE, );*/
7656         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7657         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7658         /*EVENT(XCB_RESIZE_REQUEST, );*/
7659         /*EVENT(XCB_SELECTION_CLEAR, );*/
7660         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7661         /*EVENT(XCB_SELECTION_REQUEST, );*/
7662         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7663         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7664 #undef EVENT
7665         }
7666         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7667                 screenchange((void *)evt);
7668 }
7669
7670 int
7671 main(int argc, char *argv[])
7672 {
7673         struct swm_region       *r, *rr;
7674         struct ws_win           *winfocus = NULL;
7675         union arg               a;
7676         char                    conf[PATH_MAX], *cfile = NULL;
7677         struct stat             sb;
7678         int                     xfd, i, num_screens;
7679         struct sigaction        sact;
7680         xcb_generic_event_t     *evt;
7681         struct timeval          tv;
7682         fd_set                  rd;
7683
7684         time_started = time(NULL);
7685
7686         start_argv = argv;
7687         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7688         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7689                 warnx("no locale support");
7690
7691         /* handle some signals */
7692         bzero(&sact, sizeof(sact));
7693         sigemptyset(&sact.sa_mask);
7694         sact.sa_flags = 0;
7695         sact.sa_handler = sighdlr;
7696         sigaction(SIGINT, &sact, NULL);
7697         sigaction(SIGQUIT, &sact, NULL);
7698         sigaction(SIGTERM, &sact, NULL);
7699         sigaction(SIGHUP, &sact, NULL);
7700
7701         sact.sa_handler = sighdlr;
7702         sact.sa_flags = SA_NOCLDSTOP;
7703         sigaction(SIGCHLD, &sact, NULL);
7704
7705         conn = xcb_connect(NULL, NULL);
7706         if (xcb_connection_has_error(conn))
7707                 errx(1, "can not get XCB connection");
7708
7709         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7710         xfd = xcb_get_file_descriptor(conn);
7711
7712         /* look for local and global conf file */
7713         pwd = getpwuid(getuid());
7714         if (pwd == NULL)
7715                 errx(1, "invalid user: %d", getuid());
7716
7717         xcb_grab_server(conn);
7718         xcb_aux_sync(conn);
7719
7720         /* flush all events */
7721         while ((evt = xcb_poll_for_event(conn))) {
7722                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7723                         event_handle(evt);
7724                 free(evt);
7725         }
7726
7727         if (enable_wm() != 0)
7728                 errx(1, "another window manager is currently running");
7729
7730         xcb_aux_sync(conn);
7731
7732         setup_globals();
7733         setup_screens();
7734         setup_keys();
7735         setup_quirks();
7736         setup_spawn();
7737
7738         /* load config */
7739         for (i = 0; ; i++) {
7740                 conf[0] = '\0';
7741                 switch (i) {
7742                 case 0:
7743                         /* ~ */
7744                         snprintf(conf, sizeof conf, "%s/.%s",
7745                             pwd->pw_dir, SWM_CONF_FILE);
7746                         break;
7747                 case 1:
7748                         /* global */
7749                         snprintf(conf, sizeof conf, "/etc/%s",
7750                             SWM_CONF_FILE);
7751                         break;
7752                 case 2:
7753                         /* ~ compat */
7754                         snprintf(conf, sizeof conf, "%s/.%s",
7755                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7756                         break;
7757                 case 3:
7758                         /* global compat */
7759                         snprintf(conf, sizeof conf, "/etc/%s",
7760                             SWM_CONF_FILE_OLD);
7761                         break;
7762                 default:
7763                         goto noconfig;
7764                 }
7765
7766                 if (strlen(conf) && stat(conf, &sb) != -1)
7767                         if (S_ISREG(sb.st_mode)) {
7768                                 cfile = conf;
7769                                 break;
7770                         }
7771         }
7772 noconfig:
7773
7774         /* load conf (if any) */
7775         if (cfile)
7776                 conf_load(cfile, SWM_CONF_DEFAULT);
7777
7778         setup_ewmh();
7779         /* set some values to work around bad programs */
7780         workaround();
7781         /* grab existing windows (before we build the bars) */
7782         grab_windows();
7783
7784         if (getenv("SWM_STARTED") == NULL)
7785                 setenv("SWM_STARTED", "YES", 1);
7786
7787         /* setup all bars */
7788         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7789         for (i = 0; i < num_screens; i++)
7790                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7791                         if (winfocus == NULL)
7792                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7793                         bar_setup(r);
7794                 }
7795
7796         //unfocus_all();
7797
7798         grabkeys();
7799         stack();
7800
7801         xcb_ungrab_server(conn);
7802         xcb_flush(conn);
7803
7804         while (running) {
7805                 while ((evt = xcb_poll_for_event(conn))) {
7806                         if (running == 0)
7807                                 goto done;
7808                         event_handle(evt);
7809                         free(evt);
7810                 }
7811
7812                 /* if we are being restarted go focus on first window */
7813                 if (winfocus) {
7814                         rr = winfocus->ws->r;
7815                         if (rr == NULL) {
7816                                 /* not a visible window */
7817                                 winfocus = NULL;
7818                                 continue;
7819                         }
7820                         /* move pointer to first screen if multi screen */
7821                         if (num_screens > 1 || outputs > 1)
7822                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7823                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7824                                     Y(rr) + (bar_enabled ? bar_height : 0));
7825
7826                         a.id = SWM_ARG_ID_FOCUSCUR;
7827                         focus(rr, &a);
7828                         winfocus = NULL;
7829                         continue;
7830                 }
7831
7832                 FD_ZERO(&rd);
7833                 FD_SET(xfd, &rd);
7834                 tv.tv_sec = 1;
7835                 tv.tv_usec = 0;
7836                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7837                         if (errno != EINTR)
7838                                 DNPRINTF(SWM_D_MISC, "select failed");
7839                 if (restart_wm == 1)
7840                         restart(NULL, NULL);
7841                 if (search_resp == 1)
7842                         search_do_resp();
7843                 if (running == 0)
7844                         goto done;
7845                 if (bar_alarm) {
7846                         bar_alarm = 0;
7847                         bar_update();
7848                 }
7849         }
7850 done:
7851         teardown_ewmh();
7852         bar_extra_stop();
7853
7854         for (i = 0; i < num_screens; ++i)
7855                 if (screens[i].bar_gc != 0)
7856                         xcb_free_gc(conn, screens[i].bar_gc);
7857 #if 0
7858         XFreeFontSet(display, bar_fs);
7859 #endif
7860         xcb_key_symbols_free(syms);
7861         xcb_flush(conn);
7862         xcb_disconnect(conn);
7863
7864         return (0);
7865 }