spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/extensions/Xrandr.h>
  92 #include <X11/Xlib-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
 264 Display                 *display;
 265 xcb_connection_t        *conn;
 266 xcb_key_symbols_t       *syms;
 267
 268 int                     cycle_empty = 0;
 269 int                     cycle_visible = 0;
 270 int                     term_width = 0;
 271 int                     font_adjusted = 0;
 272 unsigned int            mod_key = MODKEY;
 273
 274 /* dmenu search */
 275 struct swm_region       *search_r;
 276 int                     select_list_pipe[2];
 277 int                     select_resp_pipe[2];
 278 pid_t                   searchpid;
 279 volatile sig_atomic_t   search_resp;
 280 int                     search_resp_action;
 281
 282 struct search_window {
 283         TAILQ_ENTRY(search_window)      entry;
 284         int                             idx;
 285         struct ws_win                   *win;
 286         xcb_gcontext_t                  gc;
 287         xcb_window_t                    indicator;
 288 };
 289 TAILQ_HEAD(search_winlist, search_window);
 290 struct search_winlist                   search_wl;
 291
 292 /* search actions */
 293 enum {
 294         SWM_SEARCH_NONE,
 295         SWM_SEARCH_UNICONIFY,
 296         SWM_SEARCH_NAME_WORKSPACE,
 297         SWM_SEARCH_SEARCH_WORKSPACE,
 298         SWM_SEARCH_SEARCH_WINDOW
 299 };
 300
 301 #define SWM_STACK_TOP           (0)
 302 #define SWM_STACK_BOTTOM        (1)
 303 #define SWM_STACK_ABOVE         (2)
 304 #define SWM_STACK_BELOW         (3)
 305
 306 /* dialog windows */
 307 double                  dialog_ratio = 0.6;
 308 /* status bar */
 309 #define SWM_BAR_MAX             (256)
 310 #define SWM_BAR_JUSTIFY_LEFT    (0)
 311 #define SWM_BAR_JUSTIFY_CENTER  (1)
 312 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 313 #define SWM_BAR_OFFSET          (4)
 314 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 315                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 316                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 317                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 318                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 319
 320 char                    *bar_argv[] = { NULL, NULL };
 321 int                     bar_pipe[2];
 322 unsigned char           bar_ext[SWM_BAR_MAX];
 323 char                    bar_vertext[SWM_BAR_MAX];
 324 int                     bar_version = 0;
 325 sig_atomic_t            bar_alarm = 0;
 326 int                     bar_delay = 30;
 327 int                     bar_enabled = 1;
 328 int                     bar_border_width = 1;
 329 int                     bar_at_bottom = 0;
 330 int                     bar_extra = 1;
 331 int                     bar_extra_running = 0;
 332 int                     bar_verbose = 1;
 333 int                     bar_height = 0;
 334 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 335 char                    *bar_format = NULL;
 336 int                     stack_enabled = 1;
 337 int                     clock_enabled = 1;
 338 int                     urgent_enabled = 0;
 339 char                    *clock_format = NULL;
 340 int                     title_name_enabled = 0;
 341 int                     title_class_enabled = 0;
 342 int                     window_name_enabled = 0;
 343 int                     focus_mode = SWM_FOCUS_DEFAULT;
 344 int                     focus_close = SWM_STACK_BELOW;
 345 int                     focus_close_wrap = 1;
 346 int                     focus_default = SWM_STACK_TOP;
 347 int                     spawn_position = SWM_STACK_TOP;
 348 int                     disable_border = 0;
 349 int                     border_width = 1;
 350 int                     verbose_layout = 0;
 351 time_t                  time_started;
 352 pid_t                   bar_pid;
 353 xcb_font_t              bar_fs;
 354 int32_t                 bar_fs_height;
 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 xcb_char2b_t *char2b(const char *);
 640 int      conf_load(char *, int);
 641 void     constrain_window(struct ws_win *, struct swm_region *, int);
 642 void     do_sync(void);
 643 void     event_handle(xcb_generic_event_t *);
 644 struct ws_win   *find_window(xcb_window_t);
 645 int      floating_toggle_win(struct ws_win *);
 646 void     focus(struct swm_region *, union arg *);
 647 void     focus_magic(struct ws_win *);
 648 xcb_atom_t get_atom_from_string(const char *);
 649 xcb_screen_t    *get_screen(int);
 650 char    *get_win_name(xcb_window_t);
 651 uint16_t getstate(xcb_window_t);
 652 void     grabbuttons(struct ws_win *, int);
 653 void     map_window_raised(xcb_window_t);
 654 void     new_region(struct swm_screen *, int, int, int, int);
 655 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 656 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 657 void     store_float_geom(struct ws_win *, struct swm_region *);
 658 void     unmanage_window(struct ws_win *);
 659 void     update_window(struct ws_win *);
 660
 661 /* function definitions */
 662 xcb_char2b_t *
 663 char2b(const char *str)
 664 {
 665         xcb_char2b_t    *s;
 666         size_t          i, len;
 667
 668         len = strlen(str);
 669         s = malloc(len * sizeof(xcb_char2b_t));
 670         if (!s)
 671                 return (NULL);
 672
 673         for (i = 0; i < len; i++) {
 674                 s[i].byte1 = '\0';
 675                 s[i].byte2 = str[i];
 676         }
 677
 678         return (s);
 679 }
 680
 681 int
 682 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 683 {
 684         unsigned int    tmpr, tmpg, tmpb;
 685
 686         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 687                 return (-1);
 688
 689         *rr = tmpr << 8;
 690         *gg = tmpg << 8;
 691         *bb = tmpb << 8;
 692
 693         return (0);
 694 }
 695
 696 xcb_screen_t *
 697 get_screen(int screen)
 698 {
 699         xcb_screen_iterator_t i;
 700
 701         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 702         for (; i.rem; --screen, xcb_screen_next(&i))
 703                 if (screen == 0)
 704                         return (i.data);
 705
 706         return (NULL);
 707 }
 708
 709 void
 710 do_sync(void)
 711 {
 712         xcb_get_input_focus_cookie_t    c;
 713         xcb_get_input_focus_reply_t     *r;
 714
 715         /* mimic XSync() */
 716         c = xcb_get_input_focus(conn);
 717         xcb_flush(conn);
 718         r = xcb_get_input_focus_reply(conn, c, NULL);
 719         if (r)
 720                 free(r);
 721 }
 722
 723 void
 724 map_window_raised(xcb_window_t win)
 725 {
 726         uint32_t        val = XCB_STACK_MODE_ABOVE;
 727
 728         xcb_configure_window(conn, win,
 729             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 730
 731         xcb_map_window(conn, win);
 732 }
 733
 734 xcb_atom_t
 735 get_atom_from_string(const char *str)
 736 {
 737         xcb_intern_atom_cookie_t        c;
 738         xcb_intern_atom_reply_t         *r;
 739         xcb_atom_t                      atom;
 740
 741         c = xcb_intern_atom(conn, False, strlen(str), str);
 742         r = xcb_intern_atom_reply(conn, c, NULL);
 743         if (r) {
 744                 atom = r->atom;
 745                 free(r);
 746
 747                 return (atom);
 748         }
 749
 750         return (XCB_ATOM_NONE);
 751 }
 752
 753 void
 754 update_iconic(struct ws_win *win, int newv)
 755 {
 756         int32_t                         v = newv;
 757         xcb_atom_t                      iprop;
 758
 759         win->iconic = newv;
 760
 761         iprop = get_atom_from_string("_SWM_ICONIC");
 762         if (iprop == XCB_ATOM_NONE)
 763                 return;
 764
 765         if (newv)
 766                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 767                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 768         else
 769                 xcb_delete_property(conn, win->id, iprop);
 770 }
 771
 772 int32_t
 773 get_iconic(struct ws_win *win)
 774 {
 775         int32_t                         v = 0;
 776         xcb_atom_t                      iprop;
 777         xcb_get_property_reply_t        *pr = NULL;
 778
 779         iprop = get_atom_from_string("_SWM_ICONIC");
 780         if (iprop == XCB_ATOM_NONE)
 781                 goto out;
 782
 783         pr = xcb_get_property_reply(conn,
 784             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 785             0, 1), NULL);
 786         if (!pr)
 787                 goto out;
 788         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 789                 goto out;
 790         v = *((int32_t *)xcb_get_property_value(pr));
 791 out:
 792         if (pr)
 793                 free(pr);
 794         return (v);
 795 }
 796
 797 void
 798 setup_ewmh(void)
 799 {
 800         xcb_atom_t                      sup_list;
 801         int                             i, j, num_screens;
 802
 803         sup_list = get_atom_from_string("_NET_SUPPORTED");
 804
 805         for (i = 0; i < LENGTH(ewmh); i++)
 806                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 807
 808         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 809         for (i = 0; i < num_screens; i++) {
 810                 /* Support check window will be created by workaround(). */
 811
 812                 /* Report supported atoms */
 813                 xcb_delete_property(conn, screens[i].root, sup_list);
 814                 for (j = 0; j < LENGTH(ewmh); j++)
 815                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 816                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 817                             &ewmh[j].atom);
 818         }
 819 }
 820
 821 void
 822 teardown_ewmh(void)
 823 {
 824         int                             i, num_screens;
 825         xcb_atom_t                      sup_check, sup_list;
 826         xcb_window_t                    id;
 827         xcb_get_property_cookie_t       pc;
 828         xcb_get_property_reply_t        *pr;
 829
 830         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 831         sup_list = get_atom_from_string("_NET_SUPPORTED");
 832         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 833
 834         for (i = 0; i < num_screens; i++) {
 835                 /* Get the support check window and destroy it */
 836                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 837                     XCB_ATOM_WINDOW, 0, 1);
 838                 pr = xcb_get_property_reply(conn, pc, NULL);
 839                 if (pr) {
 840                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 841
 842                         xcb_destroy_window(conn, id);
 843                         xcb_delete_property(conn, screens[i].root, sup_check);
 844                         xcb_delete_property(conn, screens[i].root, sup_list);
 845
 846                         free(pr);
 847                 }
 848         }
 849 }
 850
 851 void
 852 ewmh_autoquirk(struct ws_win *win)
 853 {
 854         uint32_t                i, n;
 855         xcb_atom_t              *type;
 856         xcb_get_property_cookie_t       c;
 857         xcb_get_property_reply_t        *r;
 858
 859         c = xcb_get_property(conn, False, win->id,
 860             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 861         r = xcb_get_property_reply(conn, c, NULL);
 862         if (!r)
 863                 return;
 864
 865         n = xcb_get_property_value_length(r);
 866         type = xcb_get_property_value(r);
 867
 868         for (i = 0; i < n; i++) {
 869                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 870                         break;
 871                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 872                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 873                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 874                         win->floating = 1;
 875                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 876                         break;
 877                 }
 878                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 879                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 880                         win->floating = 1;
 881                         win->quirks = SWM_Q_FLOAT;
 882                         break;
 883                 }
 884         }
 885         free(r);
 886 }
 887
 888 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 889 #define EWMH_F_FULLSCREEN               (1<<0)
 890 #define EWMH_F_ABOVE                    (1<<1)
 891 #define EWMH_F_HIDDEN                   (1<<2)
 892 #define EWMH_F_SKIP_PAGER               (1<<3)
 893 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 894 #define SWM_F_MANUAL                    (1<<5)
 895
 896 int
 897 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 898 {
 899         if (!win->ws->r)
 900                 return (0);
 901
 902         if (!win->floating)
 903                 return (0);
 904
 905         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 906             "fullscreen %s\n", win->id, YESNO(fs));
 907
 908         if (fs) {
 909                 if (!win->g_floatvalid)
 910                         store_float_geom(win, win->ws->r);
 911
 912                 win->g = win->ws->r->g;
 913                 win->bordered = 0;
 914         } else {
 915                 if (win->g_floatvalid) {
 916                         /* refloat at last floating relative position */
 917                         win->g = win->g_float;
 918                         X(win) += X(win->ws->r);
 919                         Y(win) += Y(win->ws->r);
 920                 }
 921         }
 922
 923         return (1);
 924 }
 925
 926 void
 927 ewmh_update_actions(struct ws_win *win)
 928 {
 929         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 930         int                     n = 0;
 931
 932         if (win == NULL)
 933                 return;
 934
 935         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 936
 937         if (win->floating) {
 938                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 939                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 940         }
 941
 942         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 943             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 944 }
 945
 946 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 947 #define _NET_WM_STATE_ADD       1    /* add/set property */
 948 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 949
 950 void
 951 ewmh_update_win_state(struct ws_win *win, long state, long action)
 952 {
 953         unsigned int            mask = 0;
 954         unsigned int            changed = 0;
 955         unsigned int            orig_flags;
 956
 957         if (win == NULL)
 958                 return;
 959
 960         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 961                 mask = EWMH_F_FULLSCREEN;
 962         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 963                 mask = EWMH_F_ABOVE;
 964         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 965                 mask = SWM_F_MANUAL;
 966         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 967                 mask = EWMH_F_SKIP_PAGER;
 968         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 969                 mask = EWMH_F_SKIP_TASKBAR;
 970
 971
 972         orig_flags = win->ewmh_flags;
 973
 974         switch (action) {
 975         case _NET_WM_STATE_REMOVE:
 976                 win->ewmh_flags &= ~mask;
 977                 break;
 978         case _NET_WM_STATE_ADD:
 979                 win->ewmh_flags |= mask;
 980                 break;
 981         case _NET_WM_STATE_TOGGLE:
 982                 win->ewmh_flags ^= mask;
 983                 break;
 984         }
 985
 986         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 987
 988         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 989                 if (changed)
 990                         if (!floating_toggle_win(win))
 991                                 win->ewmh_flags = orig_flags; /* revert */
 992         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 993                 if (changed)
 994                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 995         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 996                 if (changed)
 997                         if (!ewmh_set_win_fullscreen(win,
 998                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 999                                 win->ewmh_flags = orig_flags; /* revert */
1000
1001         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1002
1003         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1004                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1005                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1006                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1007         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1008                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1009                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1010                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1011         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1012                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1013                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1014                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1015         if (win->ewmh_flags & EWMH_F_ABOVE)
1016                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1017                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1018                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1019         if (win->ewmh_flags & SWM_F_MANUAL)
1020                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1021                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1022                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1023 }
1024
1025 void
1026 ewmh_get_win_state(struct ws_win *win)
1027 {
1028         xcb_atom_t                      *states;
1029         xcb_get_property_cookie_t       c;
1030         xcb_get_property_reply_t        *r;
1031         int                             i, n;
1032
1033         if (win == NULL)
1034                 return;
1035
1036         win->ewmh_flags = 0;
1037         if (win->floating)
1038                 win->ewmh_flags |= EWMH_F_ABOVE;
1039         if (win->manual)
1040                 win->ewmh_flags |= SWM_F_MANUAL;
1041
1042         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1043             XCB_ATOM_ATOM, 0, UINT32_MAX);
1044         r = xcb_get_property_reply(conn, c, NULL);
1045         if (!r)
1046                 return;
1047
1048         states = xcb_get_property_value(r);
1049         n = xcb_get_property_value_length(r);
1050
1051         for (i = 0; i < n; i++)
1052                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1053
1054         free(r);
1055 }
1056
1057 /* events */
1058 #ifdef SWM_DEBUG
1059 void
1060 dumpwins(struct swm_region *r, union arg *args)
1061 {
1062         struct ws_win                           *win;
1063         uint16_t                                state;
1064         xcb_get_window_attributes_cookie_t      c;
1065         xcb_get_window_attributes_reply_t       *wa;
1066
1067         if (r->ws == NULL) {
1068                 warnx("dumpwins: invalid workspace");
1069                 return;
1070         }
1071
1072         warnx("=== managed window list ws %02d ===", r->ws->idx);
1073         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1074                 state = getstate(win->id);
1075                 c = xcb_get_window_attributes(conn, win->id);
1076                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1077                 if (wa) {
1078                         warnx("window: 0x%x, map_state: %d, state: %u, "
1079                             "transient: 0x%x", win->id, wa->map_state,
1080                             state, win->transient);
1081                         free(wa);
1082                 } else
1083                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1084                             win->id);
1085         }
1086
1087         warnx("===== unmanaged window list =====");
1088         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1089                 state = getstate(win->id);
1090                 c = xcb_get_window_attributes(conn, win->id);
1091                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1092                 if (wa) {
1093                         warnx("window: 0x%x, map_state: %d, state: %u, "
1094                             "transient: 0x%x", win->id, wa->map_state,
1095                             state, win->transient);
1096                         free(wa);
1097                 } else
1098                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1099                             win->id);
1100         }
1101
1102         warnx("=================================");
1103 }
1104 #else
1105 void
1106 dumpwins(struct swm_region *r, union arg *args)
1107 {
1108 }
1109 #endif /* SWM_DEBUG */
1110
1111 void                    event_error(xcb_generic_error_t *);
1112 void                    expose(xcb_expose_event_t *);
1113 void                    keypress(xcb_key_press_event_t *);
1114 void                    buttonpress(xcb_button_press_event_t *);
1115 void                    configurerequest(xcb_configure_request_event_t *);
1116 void                    configurenotify(xcb_configure_notify_event_t *);
1117 void                    destroynotify(xcb_destroy_notify_event_t *);
1118 void                    enternotify(xcb_enter_notify_event_t *);
1119 void                    mapnotify(xcb_map_notify_event_t *);
1120 void                    mappingnotify(xcb_mapping_notify_event_t *);
1121 void                    maprequest(xcb_map_request_event_t *);
1122 void                    propertynotify(xcb_property_notify_event_t *);
1123 void                    unmapnotify(xcb_unmap_notify_event_t *);
1124 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1125 void                    clientmessage(xcb_client_message_event_t *);
1126 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1127
1128 void
1129 sighdlr(int sig)
1130 {
1131         int                     saved_errno, status;
1132         pid_t                   pid;
1133
1134         saved_errno = errno;
1135
1136         switch (sig) {
1137         case SIGCHLD:
1138                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1139                         if (pid == -1) {
1140                                 if (errno == EINTR)
1141                                         continue;
1142 #ifdef SWM_DEBUG
1143                                 if (errno != ECHILD)
1144                                         warn("sighdlr: waitpid");
1145 #endif /* SWM_DEBUG */
1146                                 break;
1147                         }
1148                         if (pid == searchpid)
1149                                 search_resp = 1;
1150
1151 #ifdef SWM_DEBUG
1152                         if (WIFEXITED(status)) {
1153                                 if (WEXITSTATUS(status) != 0)
1154                                         warnx("sighdlr: child exit status: %d",
1155                                             WEXITSTATUS(status));
1156                         } else
1157                                 warnx("sighdlr: child is terminated "
1158                                     "abnormally");
1159 #endif /* SWM_DEBUG */
1160                 }
1161                 break;
1162
1163         case SIGHUP:
1164                 restart_wm = 1;
1165                 break;
1166         case SIGINT:
1167         case SIGTERM:
1168         case SIGQUIT:
1169                 running = 0;
1170                 break;
1171         }
1172
1173         errno = saved_errno;
1174 }
1175
1176 struct pid_e *
1177 find_pid(pid_t pid)
1178 {
1179         struct pid_e            *p = NULL;
1180
1181         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1182
1183         if (pid == 0)
1184                 return (NULL);
1185
1186         TAILQ_FOREACH(p, &pidlist, entry) {
1187                 if (p->pid == pid)
1188                         return (p);
1189         }
1190
1191         return (NULL);
1192 }
1193
1194 uint32_t
1195 name_to_color(const char *colorname)
1196 {
1197         uint32_t                        result = 0;
1198         char                            cname[32] = "#";
1199         xcb_screen_t                    *screen;
1200         xcb_colormap_t                  cmap;
1201         xcb_alloc_color_reply_t         *cr;
1202         xcb_alloc_named_color_reply_t   *nr;
1203         uint16_t                        rr, gg, bb;
1204
1205         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1206         cmap = screen->default_colormap;
1207
1208         /* color is in format rgb://rr/gg/bb */
1209         if (strncmp(colorname, "rgb:", 4) == 0) {
1210                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1211                         warnx("could not parse rgb %s", colorname);
1212                 else {
1213                         cr = xcb_alloc_color_reply(conn,
1214                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1215                             NULL);
1216                         if (cr) {
1217                                 result = cr->pixel;
1218                                 free(cr);
1219                         } else
1220                                 warnx("color '%s' not found", colorname);
1221                 }
1222         } else {
1223                 nr = xcb_alloc_named_color_reply(conn,
1224                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1225                             colorname), NULL);
1226                 if (!nr) {
1227                         strlcat(cname, colorname + 2, sizeof cname - 1);
1228                         nr = xcb_alloc_named_color_reply(conn,
1229                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1230                             cname), NULL);
1231                 }
1232                 if (nr) {
1233                         result = nr->pixel;
1234                         free(nr);
1235                 } else
1236                         warnx("color '%s' not found", colorname);
1237         }
1238
1239         return (result);
1240 }
1241
1242 void
1243 setscreencolor(char *val, int i, int c)
1244 {
1245         int     num_screens;
1246
1247         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1248         if (i > 0 && i <= num_screens) {
1249                 screens[i - 1].c[c].color = name_to_color(val);
1250                 free(screens[i - 1].c[c].name);
1251                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1252                         err(1, "strdup");
1253         } else if (i == -1) {
1254                 for (i = 0; i < num_screens; i++) {
1255                         screens[i].c[c].color = name_to_color(val);
1256                         free(screens[i].c[c].name);
1257                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1258                                 err(1, "strdup");
1259                 }
1260         } else
1261                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1262                     i, num_screens);
1263 }
1264
1265 void
1266 fancy_stacker(struct workspace *ws)
1267 {
1268         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1269         if (ws->cur_layout->l_stack == vertical_stack)
1270                 snprintf(ws->stacker, sizeof ws->stacker,
1271                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1272                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1273         if (ws->cur_layout->l_stack == horizontal_stack)
1274                 snprintf(ws->stacker, sizeof ws->stacker,
1275                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1276                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1277 }
1278
1279 void
1280 plain_stacker(struct workspace *ws)
1281 {
1282         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1283         if (ws->cur_layout->l_stack == vertical_stack)
1284                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1285                     sizeof ws->stacker);
1286         if (ws->cur_layout->l_stack == horizontal_stack)
1287                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1288                     sizeof ws->stacker);
1289 }
1290
1291 void
1292 custom_region(char *val)
1293 {
1294         unsigned int                    x, y, w, h;
1295         int                             sidx, num_screens;
1296         xcb_screen_t                    *screen;
1297
1298         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1299         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1300                 errx(1, "invalid custom region, "
1301                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1302         if (sidx < 1 || sidx > num_screens)
1303                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1304                     sidx, num_screens);
1305         sidx--;
1306
1307         screen = get_screen(sidx);
1308         if (w < 1 || h < 1)
1309                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1310
1311         if (x > screen->width_in_pixels ||
1312             y > screen->height_in_pixels ||
1313             w + x > screen->width_in_pixels ||
1314             h + y > screen->height_in_pixels) {
1315                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1316                     "boundaries (%ux%u)", w, h, x, y,
1317                     screen->width_in_pixels, screen->height_in_pixels);
1318                 return;
1319         }
1320
1321         new_region(&screens[sidx], x, y, w, h);
1322 }
1323
1324 void
1325 socket_setnonblock(int fd)
1326 {
1327         int                     flags;
1328
1329         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1330                 err(1, "fcntl F_GETFL");
1331         flags |= O_NONBLOCK;
1332         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1333                 err(1, "fcntl F_SETFL");
1334 }
1335
1336 void
1337 bar_print(struct swm_region *r, const char *s)
1338 {
1339         size_t                          len;
1340         xcb_rectangle_t                 rect;
1341         uint32_t                        gcv[1];
1342         xcb_char2b_t                    *c2b;
1343         xcb_query_text_extents_reply_t  *ter;
1344         int32_t                         x, width;
1345
1346         len = strlen(s);
1347         c2b = char2b(s);
1348         if (!c2b)
1349                 return;
1350         ter = xcb_query_text_extents_reply(conn,
1351                  xcb_query_text_extents(conn, bar_fs, len, c2b),
1352                  NULL);
1353         if (!ter) {
1354                 free(c2b);
1355                 return;
1356         }
1357         width = ter->overall_width;
1358
1359         free(ter);
1360         free(c2b);
1361
1362         switch (bar_justify) {
1363         case SWM_BAR_JUSTIFY_LEFT:
1364                 x = SWM_BAR_OFFSET;
1365                 break;
1366         case SWM_BAR_JUSTIFY_CENTER:
1367                 x = (WIDTH(r) - width) / 2;
1368                 break;
1369         case SWM_BAR_JUSTIFY_RIGHT:
1370                 x = WIDTH(r) - width - SWM_BAR_OFFSET;
1371                 break;
1372         }
1373
1374         if (x < SWM_BAR_OFFSET)
1375                 x = SWM_BAR_OFFSET;
1376
1377         rect.x = 0;
1378         rect.y = 0;
1379         rect.width = WIDTH(r->bar);
1380         rect.height = HEIGHT(r->bar);
1381
1382         /* clear back buffer */
1383         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1384         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1385         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1386             sizeof(rect), &rect);
1387
1388         /* draw back buffer */
1389         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1390         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1391         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1392         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1393         gcv[0] = bar_fs;
1394         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FONT, gcv);
1395
1396         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1397                 bar_fs_height, s);
1398
1399         /* blt */
1400         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1401             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1402 }
1403
1404 void
1405 bar_extra_stop(void)
1406 {
1407         if (bar_pipe[0]) {
1408                 close(bar_pipe[0]);
1409                 bzero(bar_pipe, sizeof bar_pipe);
1410         }
1411         if (bar_pid) {
1412                 kill(bar_pid, SIGTERM);
1413                 bar_pid = 0;
1414         }
1415         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1416         bar_extra = 0;
1417 }
1418
1419 void
1420 bar_class_name(char *s, size_t sz, struct swm_region *r)
1421 {
1422         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1423                 return;
1424         if (r->ws->focus->ch.class_name != NULL)
1425                 strlcat(s, r->ws->focus->ch.class_name, sz);
1426 }
1427
1428 void
1429 bar_title_name(char *s, size_t sz, struct swm_region *r)
1430 {
1431         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1432                 return;
1433         if (r->ws->focus->ch.instance_name != NULL)
1434                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1435 }
1436
1437 void
1438 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1439 {
1440         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1441                 return;
1442
1443         bar_class_name(s, sz, r);
1444         strlcat(s, ":", sz);
1445         bar_title_name(s, sz, r);
1446 }
1447
1448 void
1449 bar_window_float(char *s, size_t sz, struct swm_region *r)
1450 {
1451         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1452                 return;
1453         if (r->ws->focus->floating)
1454                 strlcat(s, "(f)", sz);
1455 }
1456
1457 void
1458 bar_window_name(char *s, size_t sz, struct swm_region *r)
1459 {
1460         char            *title;
1461
1462         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1463                 return;
1464         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1465                 return;
1466
1467         strlcat(s, title, sz);
1468         free(title);
1469 }
1470
1471 int             urgent[SWM_WS_MAX];
1472 void
1473 bar_urgent(char *s, size_t sz)
1474 {
1475         struct ws_win           *win;
1476         int                     i, j, num_screens;
1477         char                    b[8];
1478         xcb_get_property_cookie_t       c;
1479         xcb_icccm_wm_hints_t    hints;
1480
1481         for (i = 0; i < workspace_limit; i++)
1482                 urgent[i] = 0;
1483
1484         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1485         for (i = 0; i < num_screens; i++)
1486                 for (j = 0; j < workspace_limit; j++)
1487                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1488                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1489                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1490                                     &hints, NULL) == 0)
1491                                         continue;
1492                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1493                                         urgent[j] = 1;
1494                         }
1495
1496         for (i = 0; i < workspace_limit; i++) {
1497                 if (urgent[i])
1498                         snprintf(b, sizeof b, "%d ", i + 1);
1499                 else
1500                         snprintf(b, sizeof b, "- ");
1501                 strlcat(s, b, sz);
1502         }
1503 }
1504
1505 void
1506 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1507 {
1508         if (r == NULL || r->ws == NULL)
1509                 return;
1510         if (r->ws->name != NULL)
1511                 strlcat(s, r->ws->name, sz);
1512 }
1513
1514 /* build the default bar format according to the defined enabled options */
1515 void
1516 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1517 {
1518         /* if format provided, just copy the buffers */
1519         if (bar_format != NULL) {
1520                 strlcpy(fmtnew, fmtexp, sz);
1521                 return;
1522         }
1523
1524         /* reset the output buffer */
1525         *fmtnew = '\0';
1526
1527         strlcat(fmtnew, "+N:+I ", sz);
1528         if (stack_enabled)
1529                 strlcat(fmtnew, "+S", sz);
1530         strlcat(fmtnew, " ", sz);
1531
1532         /* only show the workspace name if there's actually one */
1533         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1534                 strlcat(fmtnew, "<+D>", sz);
1535         strlcat(fmtnew, "+3<", sz);
1536
1537         if (clock_enabled) {
1538                 strlcat(fmtnew, fmtexp, sz);
1539                 strlcat(fmtnew, "+4<", sz);
1540         }
1541
1542         /* bar_urgent already adds the space before the last asterisk */
1543         if (urgent_enabled)
1544                 strlcat(fmtnew, "* +U*+4<", sz);
1545
1546         if (title_class_enabled) {
1547                 strlcat(fmtnew, "+C", sz);
1548                 if (title_name_enabled == 0)
1549                         strlcat(fmtnew, "+4<", sz);
1550         }
1551
1552         /* checks needed by the colon and floating strlcat(3) calls below */
1553         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1554                 if (title_name_enabled) {
1555                         if (title_class_enabled)
1556                                 strlcat(fmtnew, ":", sz);
1557                         strlcat(fmtnew, "+T+4<", sz);
1558                 }
1559                 if (window_name_enabled) {
1560                         if (r->ws->focus->floating)
1561                                 strlcat(fmtnew, "+F ", sz);
1562                         strlcat(fmtnew, "+64W ", sz);
1563                 }
1564         }
1565
1566         /* finally add the action script output and the version */
1567         strlcat(fmtnew, "+4<+A+4<+V", sz);
1568 }
1569
1570 void
1571 bar_replace_pad(char *tmp, int *limit, size_t sz)
1572 {
1573         /* special case; no limit given, pad one space, instead */
1574         if (*limit == (int)sz - 1)
1575                 *limit = 1;
1576         snprintf(tmp, sz, "%*s", *limit, " ");
1577 }
1578
1579 /* replaces the bar format character sequences (like in tmux(1)) */
1580 char *
1581 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1582     size_t sz)
1583 {
1584         char                    *ptr;
1585         char                    tmp[SWM_BAR_MAX];
1586         int                     limit, size;
1587         size_t                  len;
1588
1589         /* reset strlcat(3) buffer */
1590         *tmp = '\0';
1591
1592         /* get number, if any */
1593         fmt++;
1594         size = 0;
1595         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1596                 limit = sizeof tmp - 1;
1597         if (limit <= 0 || limit >= (int)sizeof tmp)
1598                 limit = sizeof tmp - 1;
1599
1600         /* there is nothing to replace (ie EOL) */
1601         fmt += size;
1602         if (*fmt == '\0')
1603                 return (fmt);
1604
1605         switch (*fmt) {
1606         case '<':
1607                 bar_replace_pad(tmp, &limit, sizeof tmp);
1608                 break;
1609         case 'A':
1610                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1611                 break;
1612         case 'C':
1613                 bar_class_name(tmp, sizeof tmp, r);
1614                 break;
1615         case 'D':
1616                 bar_workspace_name(tmp, sizeof tmp, r);
1617                 break;
1618         case 'F':
1619                 bar_window_float(tmp, sizeof tmp, r);
1620                 break;
1621         case 'I':
1622                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1623                 break;
1624         case 'N':
1625                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1626                 break;
1627         case 'P':
1628                 bar_class_title_name(tmp, sizeof tmp, r);
1629                 break;
1630         case 'S':
1631                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1632                 break;
1633         case 'T':
1634                 bar_title_name(tmp, sizeof tmp, r);
1635                 break;
1636         case 'U':
1637                 bar_urgent(tmp, sizeof tmp);
1638                 break;
1639         case 'V':
1640                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1641                 break;
1642         case 'W':
1643                 bar_window_name(tmp, sizeof tmp, r);
1644                 break;
1645         default:
1646                 /* unknown character sequence; copy as-is */
1647                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1648                 break;
1649         }
1650
1651         len = strlen(tmp);
1652         ptr = tmp;
1653         if ((int)len < limit)
1654                 limit = len;
1655         while (limit-- > 0) {
1656                 if (*offrep >= sz - 1)
1657                         break;
1658                 fmtrep[(*offrep)++] = *ptr++;
1659         }
1660
1661         fmt++;
1662         return (fmt);
1663 }
1664
1665 void
1666 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1667 {
1668         size_t                  off;
1669
1670         off = 0;
1671         while (*fmt != '\0') {
1672                 if (*fmt != '+') {
1673                         /* skip ordinary characters */
1674                         if (off >= sz - 1)
1675                                 break;
1676                         fmtrep[off++] = *fmt++;
1677                         continue;
1678                 }
1679
1680                 /* character sequence found; replace it */
1681                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1682                 if (off >= sz - 1)
1683                         break;
1684         }
1685
1686         fmtrep[off] = '\0';
1687 }
1688
1689 void
1690 bar_fmt_expand(char *fmtexp, size_t sz)
1691 {
1692         char                    *fmt = NULL;
1693         size_t                  len;
1694         struct tm               tm;
1695         time_t                  tmt;
1696
1697         /* start by grabbing the current time and date */
1698         time(&tmt);
1699         localtime_r(&tmt, &tm);
1700
1701         /* figure out what to expand */
1702         if (bar_format != NULL)
1703                 fmt = bar_format;
1704         else if (bar_format == NULL && clock_enabled)
1705                 fmt = clock_format;
1706         /* if nothing to expand bail out */
1707         if (fmt == NULL) {
1708                 *fmtexp = '\0';
1709                 return;
1710         }
1711
1712         /* copy as-is, just in case the format shouldn't be expanded below */
1713         strlcpy(fmtexp, fmt, sz);
1714         /* finally pass the string through strftime(3) */
1715 #ifndef SWM_DENY_CLOCK_FORMAT
1716         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1717                 warnx("format too long");
1718         fmtexp[len] = '\0';
1719 #endif
1720 }
1721
1722 void
1723 bar_fmt_print(void)
1724 {
1725         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1726         char                    fmtrep[SWM_BAR_MAX];
1727         int                     i, num_screens;
1728         struct swm_region       *r;
1729
1730         /* expand the format by first passing it through strftime(3) */
1731         bar_fmt_expand(fmtexp, sizeof fmtexp);
1732
1733         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1734         for (i = 0; i < num_screens; i++) {
1735                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1736                         if (r->bar == NULL)
1737                                 continue;
1738                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1739                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1740                         bar_print(r, fmtrep);
1741                 }
1742         }
1743 }
1744
1745 void
1746 bar_update(void)
1747 {
1748         size_t                  len;
1749         char                    *b;
1750
1751         if (bar_enabled == 0)
1752                 return;
1753         if (bar_extra && bar_extra_running) {
1754                 /* ignore short reads; it'll correct itself */
1755                 while ((b = fgetln(stdin, &len)) != NULL)
1756                         if (b && b[len - 1] == '\n') {
1757                                 b[len - 1] = '\0';
1758                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1759                         }
1760                 if (b == NULL && errno != EAGAIN) {
1761                         warn("bar_update: bar_extra failed");
1762                         bar_extra_stop();
1763                 }
1764         } else
1765                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1766
1767         bar_fmt_print();
1768         alarm(bar_delay);
1769 }
1770
1771 void
1772 bar_signal(int sig)
1773 {
1774         bar_alarm = 1;
1775 }
1776
1777 void
1778 bar_toggle(struct swm_region *r, union arg *args)
1779 {
1780         struct swm_region       *tmpr;
1781         int                     i, num_screens;
1782
1783         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1784
1785         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1786         if (bar_enabled) {
1787                 for (i = 0; i < num_screens; i++)
1788                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1789                                 if (tmpr->bar)
1790                                         xcb_unmap_window(conn, tmpr->bar->id);
1791         } else {
1792                 for (i = 0; i < num_screens; i++)
1793                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1794                                 if (tmpr->bar)
1795                                         map_window_raised(tmpr->bar->id);
1796         }
1797
1798         bar_enabled = !bar_enabled;
1799
1800         stack();
1801         /* must be after stack */
1802         bar_update();
1803
1804         xcb_flush(conn);
1805 }
1806
1807 void
1808 bar_refresh(void)
1809 {
1810         struct swm_region       *r;
1811         uint32_t                wa[2];
1812         int                     i, num_screens;
1813
1814         /* do this here because the conf file is in memory */
1815         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1816                 /* launch external status app */
1817                 bar_extra_running = 1;
1818                 if (pipe(bar_pipe) == -1)
1819                         err(1, "pipe error");
1820                 socket_setnonblock(bar_pipe[0]);
1821                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1822                 if (dup2(bar_pipe[0], 0) == -1)
1823                         err(1, "dup2");
1824                 if (dup2(bar_pipe[1], 1) == -1)
1825                         err(1, "dup2");
1826                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1827                         err(1, "could not disable SIGPIPE");
1828                 switch (bar_pid = fork()) {
1829                 case -1:
1830                         err(1, "cannot fork");
1831                         break;
1832                 case 0: /* child */
1833                         close(bar_pipe[0]);
1834                         execvp(bar_argv[0], bar_argv);
1835                         err(1, "%s external app failed", bar_argv[0]);
1836                         break;
1837                 default: /* parent */
1838                         close(bar_pipe[1]);
1839                         break;
1840                 }
1841         }
1842
1843         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1844         for (i = 0; i < num_screens; i++)
1845                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1846                         if (r->bar == NULL)
1847                                 continue;
1848                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1849                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1850                         xcb_change_window_attributes(conn, r->bar->id,
1851                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1852                 }
1853         bar_update();
1854 }
1855
1856 void
1857 bar_setup(struct swm_region *r)
1858 {
1859         char                    *bar_font;
1860         xcb_screen_t            *screen = get_screen(r->s->idx);
1861         uint32_t                wa[3];
1862         xcb_generic_error_t     *error;
1863         xcb_void_cookie_t       voc;
1864         xcb_query_font_reply_t  *bar_fs_info;
1865
1866         if (bar_fs) {
1867                 xcb_close_font(conn, bar_fs);
1868                 bar_fs = 0;
1869         }
1870
1871         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1872                 err(1, "bar_setup: calloc: failed to allocate memory.");
1873
1874         bar_fs = xcb_generate_id(conn);
1875         while ((bar_font = strsep(&bar_fonts, " ,")) != NULL) {
1876                 if (*bar_font == '\0')
1877                         continue;
1878
1879                 DNPRINTF(SWM_D_INIT, "bar_setup: try font %s\n", bar_font);
1880                 voc = xcb_open_font_checked(conn, bar_fs, strlen(bar_font),
1881                          bar_font);
1882
1883                 if ((error = xcb_request_check(conn, voc))) {
1884                         DNPRINTF(SWM_D_INIT,
1885                            "bar_setup: unable to open font: %s\n",
1886                             bar_font);
1887                         free(error);
1888                         warnx("unable to load font %s", bar_font);
1889                 } else {
1890                         DNPRINTF(SWM_D_INIT,
1891                            "bar_setup: successfully opened font: %s\n",
1892                            bar_font);
1893                         break;
1894                 }
1895         }
1896
1897         bar_fs_info = xcb_query_font_reply(conn, xcb_query_font(conn, bar_fs),
1898                 NULL);
1899         if (!bar_fs_info) {
1900                 warnx(1, "unable to get font information for font %s\n",
1901                     bar_font);
1902                 return;
1903         }
1904         bar_fs_height = bar_fs_info->font_ascent + bar_fs_info->font_descent;
1905         free(bar_fs_info);
1906
1907         bar_height = bar_fs_height + 4 * bar_border_width;
1908
1909         if (bar_height < 1)
1910                 bar_height = 1;
1911
1912         X(r->bar) = X(r);
1913         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1914         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1915         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1916
1917         r->bar->id = xcb_generate_id(conn);
1918         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1919         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1920         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1921         DNPRINTF(SWM_D_BAR, "bar_setup: create_window: (x,y) w x h: (%d,%d) "
1922             "%d x %d\n", X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar));
1923         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1924             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1925             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1926             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1927             | XCB_CW_EVENT_MASK, wa);
1928
1929         r->bar->buffer = xcb_generate_id(conn);
1930         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1931             WIDTH(r->bar), HEIGHT(r->bar));
1932
1933         xcb_randr_select_input(conn, r->bar->id,
1934             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1935
1936         if (bar_enabled)
1937                 map_window_raised(r->bar->id);
1938
1939         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1940             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1941             HEIGHT(r->bar));
1942
1943         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1944                 err(1, "could not install bar_signal");
1945         bar_refresh();
1946 }
1947
1948 void
1949 bar_cleanup(struct swm_region *r)
1950 {
1951         if (r->bar == NULL)
1952                 return;
1953         xcb_destroy_window(conn, r->bar->id);
1954         xcb_free_pixmap(conn, r->bar->buffer);
1955         free(r->bar);
1956         r->bar = NULL;
1957 }
1958
1959 void
1960 set_win_state(struct ws_win *win, uint16_t state)
1961 {
1962         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1963
1964         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1965
1966         if (win == NULL)
1967                 return;
1968
1969         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
1970             a_state, 32, 2, data);
1971 }
1972
1973 uint16_t
1974 getstate(xcb_window_t w)
1975 {
1976         uint16_t                        result = 0;
1977         xcb_get_property_cookie_t       c;
1978         xcb_get_property_reply_t        *r;
1979
1980         c = xcb_get_property(conn, False, w, a_state, a_state, 0L, 2L);
1981         r = xcb_get_property_reply(conn, c, NULL);
1982
1983         if (r) {
1984                 result = *((uint16_t *)xcb_get_property_value(r));
1985                 free(r);
1986         }
1987
1988         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1989             result);
1990         return (result);
1991 }
1992
1993 void
1994 version(struct swm_region *r, union arg *args)
1995 {
1996         bar_version = !bar_version;
1997         if (bar_version)
1998                 snprintf(bar_vertext, sizeof bar_vertext,
1999                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2000         else
2001                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2002         bar_update();
2003
2004         xcb_flush(conn);
2005 }
2006
2007 void
2008 client_msg(struct ws_win *win, xcb_atom_t a)
2009 {
2010         xcb_client_message_event_t      ev;
2011
2012         if (win == NULL)
2013                 return;
2014
2015         bzero(&ev, sizeof ev);
2016         ev.response_type = XCB_CLIENT_MESSAGE;
2017         ev.window = win->id;
2018         ev.type = a_prot;
2019         ev.format = 32;
2020         ev.data.data32[0] = a;
2021         ev.data.data32[1] = XCB_CURRENT_TIME;
2022
2023         xcb_send_event(conn, False, win->id,
2024             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2025 }
2026
2027 /* synthetic response to a ConfigureRequest when not making a change */
2028 void
2029 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2030 {
2031         xcb_configure_notify_event_t ce;
2032
2033         if (win == NULL)
2034                 return;
2035
2036         /* send notification of unchanged state. */
2037         bzero(&ce, sizeof(ce));
2038         ce.response_type = XCB_CONFIGURE_NOTIFY;
2039         ce.x = X(win);
2040         ce.y = Y(win);
2041         ce.width = WIDTH(win);
2042         ce.height = HEIGHT(win);
2043         ce.override_redirect = False;
2044
2045         if (ev == NULL) {
2046                 /* EWMH */
2047                 ce.event = win->id;
2048                 ce.window = win->id;
2049                 ce.border_width = BORDER(win);
2050                 ce.above_sibling = XCB_WINDOW_NONE;
2051         } else {
2052                 /* normal */
2053                 ce.event = ev->window;
2054                 ce.window = ev->window;
2055
2056                 /* make response appear more WM_SIZE_HINTS-compliant */
2057                 if (win->sh.flags)
2058                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2059                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2060                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2061                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2062                             SH_INC_W(win), SH_INC_H(win));
2063
2064                 /* min size */
2065                 if (SH_MIN(win)) {
2066                         /* the hint may be set... to 0! */
2067                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2068                                 ce.width = SH_MIN_W(win);
2069                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2070                                 ce.height = SH_MIN_H(win);
2071                 }
2072
2073                 /* max size */
2074                 if (SH_MAX(win)) {
2075                         /* may also be advertized as 0 */
2076                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2077                                 ce.width = SH_MAX_W(win);
2078                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2079                                 ce.height = SH_MAX_H(win);
2080                 }
2081
2082                 /* resize increment. */
2083                 if (SH_INC(win)) {
2084                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2085                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2086                                     SH_INC_W(win);
2087                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2088                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2089                                     SH_INC_H(win);
2090                 }
2091
2092                 /* adjust x and y for requested border_width. */
2093                 ce.x += BORDER(win) - ev->border_width;
2094                 ce.y += BORDER(win) - ev->border_width;
2095                 ce.border_width = ev->border_width;
2096                 ce.above_sibling = ev->sibling;
2097         }
2098
2099         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2100             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2101             ce.y, ce.width, ce.height, ce.border_width);
2102
2103         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2104                 (char *)&ce);
2105 }
2106
2107 int
2108 count_win(struct workspace *ws, int count_transient)
2109 {
2110         struct ws_win           *win;
2111         int                     count = 0;
2112
2113         TAILQ_FOREACH(win, &ws->winlist, entry) {
2114                 if (count_transient == 0 && win->floating)
2115                         continue;
2116                 if (count_transient == 0 && win->transient)
2117                         continue;
2118                 if (win->iconic)
2119                         continue;
2120                 count++;
2121         }
2122         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2123
2124         return (count);
2125 }
2126
2127 void
2128 quit(struct swm_region *r, union arg *args)
2129 {
2130         DNPRINTF(SWM_D_MISC, "quit\n");
2131         running = 0;
2132 }
2133
2134 void
2135 unmap_window(struct ws_win *win)
2136 {
2137         if (win == NULL)
2138                 return;
2139
2140         /* don't unmap again */
2141         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2142                 return;
2143
2144         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2145
2146         xcb_unmap_window(conn, win->id);
2147         xcb_change_window_attributes(conn, win->id,
2148             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2149 }
2150
2151 void
2152 unmap_all(void)
2153 {
2154         struct ws_win           *win;
2155         int                     i, j, num_screens;
2156
2157         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2158         for (i = 0; i < num_screens; i++)
2159                 for (j = 0; j < workspace_limit; j++)
2160                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2161                                 unmap_window(win);
2162 }
2163
2164 void
2165 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2166 {
2167         xcb_key_press_event_t   event;
2168         xcb_keycode_t           *keycode;
2169
2170         if (win == NULL)
2171                 return;
2172
2173         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2174
2175         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2176             win->id, *keycode);
2177
2178         bzero(&event, sizeof(event));
2179         event.event = win->id;
2180         event.root = win->s->root;
2181         event.child = XCB_WINDOW_NONE;
2182         event.time = XCB_CURRENT_TIME;
2183         event.event_x = X(win);
2184         event.event_y = Y(win);
2185         event.root_x = 1;
2186         event.root_y = 1;
2187         event.same_screen = True;
2188         event.detail = *keycode;
2189         event.state = modifiers;
2190
2191         event.response_type = XCB_KEY_PRESS;
2192         xcb_send_event(conn, True, win->id,
2193             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2194
2195         event.response_type = XCB_KEY_RELEASE;
2196         xcb_send_event(conn, True, win->id,
2197             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2198 }
2199
2200 void
2201 restart(struct swm_region *r, union arg *args)
2202 {
2203         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2204
2205         /* disable alarm because the following code may not be interrupted */
2206         alarm(0);
2207         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2208                 err(1, "can't disable alarm");
2209
2210         bar_extra_stop();
2211         bar_extra = 1;
2212         unmap_all();
2213
2214         xcb_key_symbols_free(syms);
2215         xcb_flush(conn);
2216         xcb_disconnect(conn);
2217
2218         execvp(start_argv[0], start_argv);
2219         warn("execvp failed");
2220         quit(NULL, NULL);
2221 }
2222
2223 struct swm_region *
2224 root_to_region(xcb_window_t root)
2225 {
2226         struct swm_region               *r = NULL;
2227         int                             i, num_screens;
2228         xcb_query_pointer_reply_t       *qpr;
2229
2230         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2231
2232         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2233         for (i = 0; i < num_screens; i++)
2234                 if (screens[i].root == root)
2235                         break;
2236
2237         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2238             screens[i].root), NULL);
2239
2240         if (qpr) {
2241                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2242                     qpr->root_x, qpr->root_y);
2243                 /* choose a region based on pointer location */
2244                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2245                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2246                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2247                                 break;
2248                 free(qpr);
2249         }
2250
2251         if (r == NULL)
2252                 r = TAILQ_FIRST(&screens[i].rl);
2253
2254         return (r);
2255 }
2256
2257 struct ws_win *
2258 find_unmanaged_window(xcb_window_t id)
2259 {
2260         struct ws_win           *win;
2261         int                     i, j, num_screens;
2262
2263         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2264         for (i = 0; i < num_screens; i++)
2265                 for (j = 0; j < workspace_limit; j++)
2266                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2267                             entry)
2268                                 if (id == win->id)
2269                                         return (win);
2270         return (NULL);
2271 }
2272
2273 struct ws_win *
2274 find_window(xcb_window_t id)
2275 {
2276         struct ws_win           *win;
2277         int                     i, j, num_screens;
2278         xcb_query_tree_reply_t  *r;
2279
2280         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2281         for (i = 0; i < num_screens; i++)
2282                 for (j = 0; j < workspace_limit; j++)
2283                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2284                                 if (id == win->id)
2285                                         return (win);
2286
2287         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2288         if (!r)
2289                 return (NULL);
2290
2291         /* if we were looking for the parent return that window instead */
2292         if (r->parent == 0 || r->root == r->parent)
2293                 return (NULL);
2294
2295         /* look for parent */
2296         for (i = 0; i < num_screens; i++)
2297                 for (j = 0; j < workspace_limit; j++)
2298                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2299                                 if (r->parent == win->id) {
2300                                         free(r);
2301                                         return (win);
2302                                 }
2303
2304         free(r);
2305         return (NULL);
2306 }
2307
2308 void
2309 spawn(int ws_idx, union arg *args, int close_fd)
2310 {
2311         int                     fd;
2312         char                    *ret = NULL;
2313
2314         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2315
2316         close(xcb_get_file_descriptor(conn));
2317
2318         setenv("LD_PRELOAD", SWM_LIB, 1);
2319
2320         if (asprintf(&ret, "%d", ws_idx) == -1) {
2321                 warn("spawn: asprintf SWM_WS");
2322                 _exit(1);
2323         }
2324         setenv("_SWM_WS", ret, 1);
2325         free(ret);
2326         ret = NULL;
2327
2328         if (asprintf(&ret, "%d", getpid()) == -1) {
2329                 warn("spawn: asprintf _SWM_PID");
2330                 _exit(1);
2331         }
2332         setenv("_SWM_PID", ret, 1);
2333         free(ret);
2334         ret = NULL;
2335
2336         if (setsid() == -1) {
2337                 warn("spawn: setsid");
2338                 _exit(1);
2339         }
2340
2341         if (close_fd) {
2342                 /*
2343                  * close stdin and stdout to prevent interaction between apps
2344                  * and the baraction script
2345                  * leave stderr open to record errors
2346                 */
2347                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2348                         warn("spawn: open");
2349                         _exit(1);
2350                 }
2351                 dup2(fd, STDIN_FILENO);
2352                 dup2(fd, STDOUT_FILENO);
2353                 if (fd > 2)
2354                         close(fd);
2355         }
2356
2357         execvp(args->argv[0], args->argv);
2358
2359         warn("spawn: execvp");
2360         _exit(1);
2361 }
2362
2363 void
2364 kill_refs(struct ws_win *win)
2365 {
2366         int                     i, x, num_screens;
2367         struct swm_region       *r;
2368         struct workspace        *ws;
2369
2370         if (win == NULL)
2371                 return;
2372
2373         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2374         for (i = 0; i < num_screens; i++)
2375                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2376                         for (x = 0; x < workspace_limit; x++) {
2377                                 ws = &r->s->ws[x];
2378                                 if (win == ws->focus)
2379                                         ws->focus = NULL;
2380                                 if (win == ws->focus_prev)
2381                                         ws->focus_prev = NULL;
2382                         }
2383 }
2384
2385 int
2386 validate_win(struct ws_win *testwin)
2387 {
2388         struct ws_win           *win;
2389         struct workspace        *ws;
2390         struct swm_region       *r;
2391         int                     i, x, num_screens;
2392
2393         if (testwin == NULL)
2394                 return (0);
2395
2396         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2397         for (i = 0; i < num_screens; i++)
2398                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2399                         for (x = 0; x < workspace_limit; x++) {
2400                                 ws = &r->s->ws[x];
2401                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2402                                         if (win == testwin)
2403                                                 return (0);
2404                         }
2405         return (1);
2406 }
2407
2408 int
2409 validate_ws(struct workspace *testws)
2410 {
2411         struct swm_region       *r;
2412         struct workspace        *ws;
2413         int                     i, x, num_screens;
2414
2415         /* validate all ws */
2416         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2417         for (i = 0; i < num_screens; i++)
2418                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2419                         for (x = 0; x < workspace_limit; x++) {
2420                                 ws = &r->s->ws[x];
2421                                 if (ws == testws)
2422                                         return (0);
2423                         }
2424         return (1);
2425 }
2426
2427 void
2428 unfocus_win(struct ws_win *win)
2429 {
2430         xcb_window_t            none = XCB_WINDOW_NONE;
2431
2432         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2433
2434         if (win == NULL)
2435                 return;
2436         if (win->ws == NULL)
2437                 return;
2438
2439         if (validate_ws(win->ws))
2440                 return; /* XXX this gets hit with thunderbird, needs fixing */
2441
2442         if (win->ws->r == NULL)
2443                 return;
2444
2445         if (validate_win(win)) {
2446                 kill_refs(win);
2447                 return;
2448         }
2449
2450         if (win->ws->focus == win) {
2451                 win->ws->focus = NULL;
2452                 win->ws->focus_prev = win;
2453         }
2454
2455         if (validate_win(win->ws->focus)) {
2456                 kill_refs(win->ws->focus);
2457                 win->ws->focus = NULL;
2458         }
2459         if (validate_win(win->ws->focus_prev)) {
2460                 kill_refs(win->ws->focus_prev);
2461                 win->ws->focus_prev = NULL;
2462         }
2463
2464         grabbuttons(win, 0);
2465         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2466             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2467         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2468             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2469 }
2470
2471 void
2472 unfocus_all(void)
2473 {
2474         struct ws_win           *win;
2475         int                     i, j, num_screens;
2476
2477         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2478
2479         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2480         for (i = 0; i < num_screens; i++)
2481                 for (j = 0; j < workspace_limit; j++)
2482                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2483                                 unfocus_win(win);
2484 }
2485
2486 void
2487 focus_win(struct ws_win *win)
2488 {
2489         struct ws_win           *cfw = NULL;
2490         xcb_get_input_focus_reply_t     *r;
2491         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2492
2493         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2494
2495         if (win == NULL)
2496                 return;
2497         if (win->ws == NULL)
2498                 return;
2499
2500         if (validate_ws(win->ws))
2501                 return; /* XXX this gets hit with thunderbird, needs fixing */
2502
2503         if (validate_win(win)) {
2504                 kill_refs(win);
2505                 return;
2506         }
2507
2508         if (validate_win(win)) {
2509                 kill_refs(win);
2510                 return;
2511         }
2512
2513         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2514         if (r) {
2515                 cur_focus = r->focus;
2516                 free(r);
2517         }
2518         if ((cfw = find_window(cur_focus)) != NULL)
2519                 unfocus_win(cfw);
2520         else {
2521                 /* use larger hammer since the window was killed somehow */
2522                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2523                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2524                                 xcb_change_window_attributes(conn, cfw->id,
2525                                     XCB_CW_BORDER_PIXEL,
2526                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2527         }
2528
2529         win->ws->focus = win;
2530
2531         if (win->ws->r != NULL) {
2532                 if (win->java == 0)
2533                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2534                             win->id, XCB_CURRENT_TIME);
2535                 grabbuttons(win, 1);
2536                 xcb_change_window_attributes(conn, win->id,
2537                         XCB_CW_BORDER_PIXEL,
2538                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2539                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2540                     win->ws->always_raise)
2541                         map_window_raised(win->id);
2542
2543                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2544                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2545                     &win->id);
2546         }
2547
2548         bar_update();
2549 }
2550
2551 void
2552 event_drain(uint8_t rt)
2553 {
2554         xcb_generic_event_t     *evt;
2555
2556         xcb_flush(conn);
2557         while ((evt = xcb_poll_for_event(conn))) {
2558                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2559                         event_handle(evt);
2560
2561                 free(evt);
2562         }
2563 }
2564
2565 void
2566 switchws(struct swm_region *r, union arg *args)
2567 {
2568         int                     wsid = args->id, unmap_old = 0;
2569         struct swm_region       *this_r, *other_r;
2570         struct ws_win           *win;
2571         struct workspace        *new_ws, *old_ws;
2572         union arg               a;
2573
2574         if (!(r && r->s))
2575                 return;
2576
2577         if (wsid >= workspace_limit)
2578                 return;
2579
2580         this_r = r;
2581         old_ws = this_r->ws;
2582         new_ws = &this_r->s->ws[wsid];
2583
2584         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2585             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2586
2587         if (new_ws == NULL || old_ws == NULL)
2588                 return;
2589         if (new_ws == old_ws)
2590                 return;
2591
2592         other_r = new_ws->r;
2593         if (other_r == NULL) {
2594                 /* the other workspace is hidden, hide this one */
2595                 old_ws->r = NULL;
2596                 unmap_old = 1;
2597         } else {
2598                 /* the other ws is visible in another region, exchange them */
2599                 other_r->ws_prior = new_ws;
2600                 other_r->ws = old_ws;
2601                 old_ws->r = other_r;
2602         }
2603         this_r->ws_prior = old_ws;
2604         this_r->ws = new_ws;
2605         new_ws->r = this_r;
2606
2607         /* this is needed so that we can click on a window after a restart */
2608         unfocus_all();
2609
2610         stack();
2611         a.id = SWM_ARG_ID_FOCUSCUR;
2612         focus(new_ws->r, &a);
2613
2614         /* unmap old windows */
2615         if (unmap_old)
2616                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2617                         unmap_window(win);
2618
2619         if (focus_mode == SWM_FOCUS_DEFAULT)
2620                 event_drain(XCB_ENTER_NOTIFY);
2621         else
2622                 xcb_flush(conn);
2623 }
2624
2625 void
2626 cyclews(struct swm_region *r, union arg *args)
2627 {
2628         union                   arg a;
2629         struct swm_screen       *s = r->s;
2630         int                     cycle_all = 0;
2631
2632         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2633             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2634
2635         a.id = r->ws->idx;
2636         do {
2637                 switch (args->id) {
2638                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2639                         cycle_all = 1;
2640                         /* FALLTHROUGH */
2641                 case SWM_ARG_ID_CYCLEWS_UP:
2642                         if (a.id < workspace_limit - 1)
2643                                 a.id++;
2644                         else
2645                                 a.id = 0;
2646                         break;
2647                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2648                         cycle_all = 1;
2649                         /* FALLTHROUGH */
2650                 case SWM_ARG_ID_CYCLEWS_DOWN:
2651                         if (a.id > 0)
2652                                 a.id--;
2653                         else
2654                                 a.id = workspace_limit - 1;
2655                         break;
2656                 default:
2657                         return;
2658                 };
2659
2660                 if (!cycle_all &&
2661                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2662                         continue;
2663                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2664                         continue;
2665
2666                 switchws(r, &a);
2667         } while (a.id != r->ws->idx);
2668 }
2669
2670 void
2671 priorws(struct swm_region *r, union arg *args)
2672 {
2673         union arg               a;
2674
2675         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2676             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2677
2678         if (r->ws_prior == NULL)
2679                 return;
2680
2681         a.id = r->ws_prior->idx;
2682         switchws(r, &a);
2683 }
2684
2685 void
2686 cyclescr(struct swm_region *r, union arg *args)
2687 {
2688         struct swm_region       *rr = NULL;
2689         union arg               a;
2690         int                     i, x, y, num_screens;
2691
2692         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2693         /* do nothing if we don't have more than one screen */
2694         if (!(num_screens > 1 || outputs > 1))
2695                 return;
2696
2697         i = r->s->idx;
2698         switch (args->id) {
2699         case SWM_ARG_ID_CYCLESC_UP:
2700                 rr = TAILQ_NEXT(r, entry);
2701                 if (rr == NULL)
2702                         rr = TAILQ_FIRST(&screens[i].rl);
2703                 break;
2704         case SWM_ARG_ID_CYCLESC_DOWN:
2705                 rr = TAILQ_PREV(r, swm_region_list, entry);
2706                 if (rr == NULL)
2707                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2708                 break;
2709         default:
2710                 return;
2711         };
2712         if (rr == NULL)
2713                 return;
2714
2715         /* move mouse to region */
2716         x = X(rr) + 1;
2717         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2718         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2719             x, y);
2720
2721         a.id = SWM_ARG_ID_FOCUSCUR;
2722         focus(rr, &a);
2723
2724         if (rr->ws->focus) {
2725                 /* move to focus window */
2726                 x = X(rr->ws->focus) + 1;
2727                 y = Y(rr->ws->focus) + 1;
2728                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2729                     0, x, y);
2730         }
2731 }
2732
2733 void
2734 sort_windows(struct ws_win_list *wl)
2735 {
2736         struct ws_win           *win, *parent, *nxt;
2737
2738         if (wl == NULL)
2739                 return;
2740
2741         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2742                 nxt = TAILQ_NEXT(win, entry);
2743                 if (win->transient) {
2744                         parent = find_window(win->transient);
2745                         if (parent == NULL) {
2746                                 warnx("not possible bug");
2747                                 continue;
2748                         }
2749                         TAILQ_REMOVE(wl, win, entry);
2750                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2751                 }
2752         }
2753
2754 }
2755
2756 void
2757 swapwin(struct swm_region *r, union arg *args)
2758 {
2759         struct ws_win           *target, *source;
2760         struct ws_win           *cur_focus;
2761         struct ws_win_list      *wl;
2762
2763
2764         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2765             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2766
2767         cur_focus = r->ws->focus;
2768         if (cur_focus == NULL)
2769                 return;
2770
2771         source = cur_focus;
2772         wl = &source->ws->winlist;
2773
2774         switch (args->id) {
2775         case SWM_ARG_ID_SWAPPREV:
2776                 if (source->transient)
2777                         source = find_window(source->transient);
2778                 target = TAILQ_PREV(source, ws_win_list, entry);
2779                 if (target && target->transient)
2780                         target = find_window(target->transient);
2781                 TAILQ_REMOVE(wl, source, entry);
2782                 if (target == NULL)
2783                         TAILQ_INSERT_TAIL(wl, source, entry);
2784                 else
2785                         TAILQ_INSERT_BEFORE(target, source, entry);
2786                 break;
2787         case SWM_ARG_ID_SWAPNEXT:
2788                 target = TAILQ_NEXT(source, entry);
2789                 /* move the parent and let the sort handle the move */
2790                 if (source->transient)
2791                         source = find_window(source->transient);
2792                 TAILQ_REMOVE(wl, source, entry);
2793                 if (target == NULL)
2794                         TAILQ_INSERT_HEAD(wl, source, entry);
2795                 else
2796                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2797                 break;
2798         case SWM_ARG_ID_SWAPMAIN:
2799                 target = TAILQ_FIRST(wl);
2800                 if (target == source) {
2801                         if (source->ws->focus_prev != NULL &&
2802                             source->ws->focus_prev != target)
2803                                 source = source->ws->focus_prev;
2804                         else
2805                                 return;
2806                 }
2807                 if (target == NULL || source == NULL)
2808                         return;
2809                 source->ws->focus_prev = target;
2810                 TAILQ_REMOVE(wl, target, entry);
2811                 TAILQ_INSERT_BEFORE(source, target, entry);
2812                 TAILQ_REMOVE(wl, source, entry);
2813                 TAILQ_INSERT_HEAD(wl, source, entry);
2814                 break;
2815         case SWM_ARG_ID_MOVELAST:
2816                 TAILQ_REMOVE(wl, source, entry);
2817                 TAILQ_INSERT_TAIL(wl, source, entry);
2818                 break;
2819         default:
2820                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2821                 return;
2822         }
2823
2824         sort_windows(wl);
2825
2826         stack();
2827
2828         xcb_flush(conn);
2829 }
2830
2831 void
2832 focus_prev(struct ws_win *win)
2833 {
2834         struct ws_win           *winfocus = NULL;
2835         struct ws_win           *cur_focus = NULL;
2836         struct ws_win_list      *wl = NULL;
2837         struct workspace        *ws = NULL;
2838
2839         if (!(win && win->ws))
2840                 return;
2841
2842         ws = win->ws;
2843         wl = &ws->winlist;
2844         cur_focus = ws->focus;
2845
2846         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2847             WINID(win), WINID(cur_focus));
2848
2849         /* pickle, just focus on whatever */
2850         if (cur_focus == NULL) {
2851                 /* use prev_focus if valid */
2852                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2853                     find_window(WINID(ws->focus_prev)))
2854                         winfocus = ws->focus_prev;
2855                 goto done;
2856         }
2857
2858         /* if transient focus on parent */
2859         if (cur_focus->transient) {
2860                 winfocus = find_window(cur_focus->transient);
2861                 goto done;
2862         }
2863
2864         /* if in max_stack try harder */
2865         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2866             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2867                 if (cur_focus != ws->focus_prev)
2868                         winfocus = ws->focus_prev;
2869                 else
2870                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2871                 if (winfocus)
2872                         goto done;
2873         }
2874
2875         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2876
2877         if (winfocus == NULL || winfocus == win) {
2878                 switch (focus_close) {
2879                 case SWM_STACK_BOTTOM:
2880                         winfocus = TAILQ_FIRST(wl);
2881                         break;
2882                 case SWM_STACK_TOP:
2883                         winfocus = TAILQ_LAST(wl, ws_win_list);
2884                         break;
2885                 case SWM_STACK_ABOVE:
2886                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2887                                 if (focus_close_wrap)
2888                                         winfocus = TAILQ_FIRST(wl);
2889                                 else
2890                                         winfocus = TAILQ_PREV(cur_focus,
2891                                             ws_win_list, entry);
2892                         }
2893                         break;
2894                 case SWM_STACK_BELOW:
2895                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2896                             entry)) == NULL) {
2897                                 if (focus_close_wrap)
2898                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2899                                 else
2900                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2901                         }
2902                         break;
2903                 }
2904         }
2905 done:
2906         if (winfocus == NULL) {
2907                 if (focus_default == SWM_STACK_TOP)
2908                         winfocus = TAILQ_LAST(wl, ws_win_list);
2909                 else
2910                         winfocus = TAILQ_FIRST(wl);
2911         }
2912
2913         kill_refs(win);
2914         focus_magic(winfocus);
2915 }
2916
2917 void
2918 focus(struct swm_region *r, union arg *args)
2919 {
2920         struct ws_win           *winfocus = NULL, *head;
2921         struct ws_win           *cur_focus = NULL;
2922         struct ws_win_list      *wl = NULL;
2923         struct workspace        *ws = NULL;
2924         int                     all_iconics;
2925
2926         if (!(r && r->ws))
2927                 return;
2928
2929         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2930
2931         /* treat FOCUS_CUR special */
2932         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2933                 if (r->ws->focus && r->ws->focus->iconic == 0)
2934                         winfocus = r->ws->focus;
2935                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2936                         winfocus = r->ws->focus_prev;
2937                 else
2938                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2939                                 if (winfocus->iconic == 0)
2940                                         break;
2941
2942                 focus_magic(winfocus);
2943                 return;
2944         }
2945
2946         if ((cur_focus = r->ws->focus) == NULL)
2947                 return;
2948         ws = r->ws;
2949         wl = &ws->winlist;
2950         if (TAILQ_EMPTY(wl))
2951                 return;
2952         /* make sure there is at least one uniconified window */
2953         all_iconics = 1;
2954         TAILQ_FOREACH(winfocus, wl, entry)
2955                 if (winfocus->iconic == 0) {
2956                         all_iconics = 0;
2957                         break;
2958                 }
2959         if (all_iconics)
2960                 return;
2961
2962         switch (args->id) {
2963         case SWM_ARG_ID_FOCUSPREV:
2964                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2965                 if (head == NULL)
2966                         head = TAILQ_LAST(wl, ws_win_list);
2967                 winfocus = head;
2968                 if (WINID(winfocus) == cur_focus->transient) {
2969                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2970                         if (head == NULL)
2971                                 head = TAILQ_LAST(wl, ws_win_list);
2972                         winfocus = head;
2973                 }
2974
2975                 /* skip iconics */
2976                 if (winfocus && winfocus->iconic) {
2977                         while (winfocus != cur_focus) {
2978                                 if (winfocus == NULL)
2979                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2980                                 if (winfocus->iconic == 0)
2981                                         break;
2982                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2983                                     entry);
2984                         }
2985                 }
2986                 break;
2987
2988         case SWM_ARG_ID_FOCUSNEXT:
2989                 head = TAILQ_NEXT(cur_focus, entry);
2990                 if (head == NULL)
2991                         head = TAILQ_FIRST(wl);
2992                 winfocus = head;
2993
2994                 /* skip iconics */
2995                 if (winfocus && winfocus->iconic) {
2996                         while (winfocus != cur_focus) {
2997                                 if (winfocus == NULL)
2998                                         winfocus = TAILQ_FIRST(wl);
2999                                 if (winfocus->iconic == 0)
3000                                         break;
3001                                 winfocus = TAILQ_NEXT(winfocus, entry);
3002                         }
3003                 }
3004                 break;
3005
3006         case SWM_ARG_ID_FOCUSMAIN:
3007                 winfocus = TAILQ_FIRST(wl);
3008                 if (winfocus == cur_focus)
3009                         winfocus = cur_focus->ws->focus_prev;
3010                 break;
3011
3012         default:
3013                 return;
3014         }
3015
3016         focus_magic(winfocus);
3017
3018         xcb_flush(conn);
3019 }
3020
3021 void
3022 cycle_layout(struct swm_region *r, union arg *args)
3023 {
3024         struct workspace        *ws = r->ws;
3025         union arg               a;
3026
3027         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3028
3029         ws->cur_layout++;
3030         if (ws->cur_layout->l_stack == NULL)
3031                 ws->cur_layout = &layouts[0];
3032
3033         stack();
3034         bar_update();
3035
3036         if (focus_mode == SWM_FOCUS_DEFAULT)
3037                 event_drain(XCB_ENTER_NOTIFY);
3038
3039         a.id = SWM_ARG_ID_FOCUSCUR;
3040         focus(r, &a);
3041 }
3042
3043 void
3044 stack_config(struct swm_region *r, union arg *args)
3045 {
3046         struct workspace        *ws = r->ws;
3047
3048         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3049             args->id, ws->idx);
3050
3051         if (ws->cur_layout->l_config != NULL)
3052                 ws->cur_layout->l_config(ws, args->id);
3053
3054         if (args->id != SWM_ARG_ID_STACKINIT)
3055                 stack();
3056         bar_update();
3057 }
3058
3059 void
3060 stack(void) {
3061         struct swm_geometry     g;
3062         struct swm_region       *r;
3063         int                     i, num_screens;
3064 #ifdef SWM_DEBUG
3065         int j;
3066 #endif
3067
3068         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3069
3070         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3071         for (i = 0; i < num_screens; i++) {
3072 #ifdef SWM_DEBUG
3073                 j = 0;
3074 #endif
3075                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3076                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3077                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3078
3079                         /* start with screen geometry, adjust for bar */
3080                         g = r->g;
3081                         g.w -= 2 * border_width;
3082                         g.h -= 2 * border_width;
3083                         if (bar_enabled) {
3084                                 if (!bar_at_bottom)
3085                                         g.y += bar_height;
3086                                 g.h -= bar_height;
3087                         }
3088                         r->ws->cur_layout->l_stack(r->ws, &g);
3089                         r->ws->cur_layout->l_string(r->ws);
3090                         /* save r so we can track region changes */
3091                         r->ws->old_r = r;
3092                 }
3093         }
3094         if (font_adjusted)
3095                 font_adjusted--;
3096
3097         if (focus_mode == SWM_FOCUS_DEFAULT)
3098                 event_drain(XCB_ENTER_NOTIFY);
3099
3100         DNPRINTF(SWM_D_STACK, "stack: end\n");
3101 }
3102
3103 void
3104 store_float_geom(struct ws_win *win, struct swm_region *r)
3105 {
3106         /* retain window geom and region geom */
3107         win->g_float = win->g;
3108         win->g_float.x -= X(r);
3109         win->g_float.y -= Y(r);
3110         win->g_floatvalid = 1;
3111         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3112             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3113             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3114             win->g_float.w, win->g_float.h);
3115 }
3116
3117 void
3118 stack_floater(struct ws_win *win, struct swm_region *r)
3119 {
3120         if (win == NULL)
3121                 return;
3122
3123         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3124
3125         /*
3126          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3127          * geom on ws switches or return from max mode
3128          */
3129         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3130             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3131                 /* refloat at last floating relative position */
3132                 win->g = win->g_float;
3133                 X(win) += X(r);
3134                 Y(win) += Y(r);
3135         }
3136
3137         win->floatmaxed = 0;
3138
3139         /*
3140          * if set to fullscreen mode, configure window to maximum size.
3141          */
3142         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3143                 if (!win->g_floatvalid)
3144                         store_float_geom(win, win->ws->r);
3145
3146                 win->g = win->ws->r->g;
3147         }
3148
3149         /*
3150          * remove border on fullscreen floater when in fullscreen mode or when
3151          * the quirk is present.
3152          */
3153         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3154             ((win->quirks & SWM_Q_FULLSCREEN) &&
3155              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3156                 if (win->bordered) {
3157                         win->bordered = 0;
3158                         X(win) += border_width;
3159                         Y(win) += border_width;
3160                 }
3161         } else if (!win->bordered) {
3162                 win->bordered = 1;
3163                 X(win) -= border_width;
3164                 Y(win) -= border_width;
3165         }
3166
3167         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3168                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3169                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3170         }
3171
3172         if (!win->manual) {
3173                 /*
3174                  * floaters and transients are auto-centred unless moved
3175                  * or resized
3176                  */
3177                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3178                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3179         }
3180
3181         /* keep window within region bounds */
3182         constrain_window(win, r, 0);
3183
3184         update_window(win);
3185 }
3186
3187 /*
3188  * Send keystrokes to terminal to decrease/increase the font size as the
3189  * window size changes.
3190  */
3191 void
3192 adjust_font(struct ws_win *win)
3193 {
3194         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3195             win->floating || win->transient)
3196                 return;
3197
3198         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3199             WIDTH(win) / win->sh.width_inc < term_width &&
3200             win->font_steps < SWM_MAX_FONT_STEPS) {
3201                 win->font_size_boundary[win->font_steps] =
3202                     (win->sh.width_inc * term_width) + win->sh.base_width;
3203                 win->font_steps++;
3204                 font_adjusted++;
3205                 win->last_inc = win->sh.width_inc;
3206                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3207         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3208             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3209                 win->font_steps--;
3210                 font_adjusted++;
3211                 win->last_inc = win->sh.width_inc;
3212                 fake_keypress(win, XK_KP_Add, ShiftMask);
3213         }
3214 }
3215
3216 #define SWAPXY(g)       do {                            \
3217         int tmp;                                        \
3218         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3219         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3220 } while (0)
3221 void
3222 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3223 {
3224         struct swm_geometry     win_g, r_g = *g;
3225         struct ws_win           *win, *fs_win = NULL;
3226         int                     i, j, s, stacks;
3227         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3228         int                     hrh, extra = 0, h_slice, last_h = 0;
3229         int                     split, colno, winno, mwin, msize, mscale;
3230         int                     remain, missing, v_slice, reconfigure;
3231         int                     bordered = 1;
3232         xcb_get_window_attributes_reply_t *war;
3233
3234         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3235             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3236
3237         winno = count_win(ws, 0);
3238         if (winno == 0 && count_win(ws, 1) == 0)
3239                 return;
3240
3241         TAILQ_FOREACH(win, &ws->winlist, entry)
3242                 if (win->transient == 0 && win->floating == 0
3243                     && win->iconic == 0)
3244                         break;
3245
3246         if (win == NULL)
3247                 goto notiles;
3248
3249         if (rot) {
3250                 w_inc = win->sh.width_inc;
3251                 w_base = win->sh.base_width;
3252                 mwin = ws->l_state.horizontal_mwin;
3253                 mscale = ws->l_state.horizontal_msize;
3254                 stacks = ws->l_state.horizontal_stacks;
3255                 SWAPXY(&r_g);
3256         } else {
3257                 w_inc = win->sh.height_inc;
3258                 w_base = win->sh.base_height;
3259                 mwin = ws->l_state.vertical_mwin;
3260                 mscale = ws->l_state.vertical_msize;
3261                 stacks = ws->l_state.vertical_stacks;
3262         }
3263         win_g = r_g;
3264
3265         if (stacks > winno - mwin)
3266                 stacks = winno - mwin;
3267         if (stacks < 1)
3268                 stacks = 1;
3269
3270         h_slice = r_g.h / SWM_H_SLICE;
3271         if (mwin && winno > mwin) {
3272                 v_slice = r_g.w / SWM_V_SLICE;
3273
3274                 split = mwin;
3275                 colno = split;
3276                 win_g.w = v_slice * mscale;
3277
3278                 if (w_inc > 1 && w_inc < v_slice) {
3279                         /* adjust for window's requested size increment */
3280                         remain = (win_g.w - w_base) % w_inc;
3281                         win_g.w -= remain;
3282                 }
3283
3284                 msize = win_g.w;
3285                 if (flip)
3286                         win_g.x += r_g.w - msize;
3287         } else {
3288                 msize = -2;
3289                 colno = split = winno / stacks;
3290                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3291                     2 * border_width) / stacks);
3292         }
3293         hrh = r_g.h / colno;
3294         extra = r_g.h - (colno * hrh);
3295         win_g.h = hrh - 2 * border_width;
3296
3297         /*  stack all the tiled windows */
3298         i = j = 0, s = stacks;
3299         TAILQ_FOREACH(win, &ws->winlist, entry) {
3300                 if (win->transient != 0 || win->floating != 0)
3301                         continue;
3302                 if (win->iconic != 0)
3303                         continue;
3304
3305                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3306                         fs_win = win;
3307                         continue;
3308                 }
3309
3310                 if (split && i == split) {
3311                         colno = (winno - mwin) / stacks;
3312                         if (s <= (winno - mwin) % stacks)
3313                                 colno++;
3314                         split = split + colno;
3315                         hrh = (r_g.h / colno);
3316                         extra = r_g.h - (colno * hrh);
3317                         if (flip)
3318                                 win_g.x = r_g.x;
3319                         else
3320                                 win_g.x += win_g.w + 2 * border_width;
3321                         win_g.w = (r_g.w - msize -
3322                             (stacks * 2 * border_width)) / stacks;
3323                         if (s == 1)
3324                                 win_g.w += (r_g.w - msize -
3325                                     (stacks * 2 * border_width)) % stacks;
3326                         s--;
3327                         j = 0;
3328                 }
3329                 win_g.h = hrh - 2 * border_width;
3330                 if (rot) {
3331                         h_inc = win->sh.width_inc;
3332                         h_base = win->sh.base_width;
3333                 } else {
3334                         h_inc = win->sh.height_inc;
3335                         h_base = win->sh.base_height;
3336                 }
3337                 if (j == colno - 1) {
3338                         win_g.h = hrh + extra;
3339                 } else if (h_inc > 1 && h_inc < h_slice) {
3340                         /* adjust for window's requested size increment */
3341                         remain = (win_g.h - h_base) % h_inc;
3342                         missing = h_inc - remain;
3343
3344                         if (missing <= extra || j == 0) {
3345                                 extra -= missing;
3346                                 win_g.h += missing;
3347                         } else {
3348                                 win_g.h -= remain;
3349                                 extra += remain;
3350                         }
3351                 }
3352
3353                 if (j == 0)
3354                         win_g.y = r_g.y;
3355                 else
3356                         win_g.y += last_h + 2 * border_width;
3357
3358                 if (disable_border && bar_enabled == 0 && winno == 1){
3359                         bordered = 0;
3360                         win_g.w += 2 * border_width;
3361                         win_g.h += 2 * border_width;
3362                 } else {
3363                         bordered = 1;
3364                 }
3365                 if (rot) {
3366                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3367                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3368                                 reconfigure = 1;
3369                                 X(win) = win_g.y;
3370                                 Y(win) = win_g.x;
3371                                 WIDTH(win) = win_g.h;
3372                                 HEIGHT(win) = win_g.w;
3373                         }
3374                 } else {
3375                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3376                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3377                                 reconfigure = 1;
3378                                 X(win) = win_g.x;
3379                                 Y(win) = win_g.y;
3380                                 WIDTH(win) = win_g.w;
3381                                 HEIGHT(win) = win_g.h;
3382                         }
3383                 }
3384
3385                 if (bordered != win->bordered) {
3386                         reconfigure = 1;
3387                         win->bordered = bordered;
3388                 }
3389
3390                 if (reconfigure) {
3391                         adjust_font(win);
3392                         update_window(win);
3393                 }
3394
3395                 war = xcb_get_window_attributes_reply(conn,
3396                         xcb_get_window_attributes(conn, win->id),
3397                         NULL);
3398                 if (war) {
3399                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3400                                 map_window_raised(win->id);
3401                         free(war);
3402                 }
3403
3404                 last_h = win_g.h;
3405                 i++;
3406                 j++;
3407         }
3408
3409 notiles:
3410         /* now, stack all the floaters and transients */
3411         TAILQ_FOREACH(win, &ws->winlist, entry) {
3412                 if (win->transient == 0 && win->floating == 0)
3413                         continue;
3414                 if (win->iconic == 1)
3415                         continue;
3416                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3417                         fs_win = win;
3418                         continue;
3419                 }
3420
3421                 stack_floater(win, ws->r);
3422                 map_window_raised(win->id);
3423         }
3424
3425         if (fs_win) {
3426                 stack_floater(fs_win, ws->r);
3427                 map_window_raised(fs_win->id);
3428         }
3429 }
3430
3431 void
3432 vertical_config(struct workspace *ws, int id)
3433 {
3434         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3435             id, ws->idx);
3436
3437         switch (id) {
3438         case SWM_ARG_ID_STACKRESET:
3439         case SWM_ARG_ID_STACKINIT:
3440                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3441                 ws->l_state.vertical_mwin = 1;
3442                 ws->l_state.vertical_stacks = 1;
3443                 break;
3444         case SWM_ARG_ID_MASTERSHRINK:
3445                 if (ws->l_state.vertical_msize > 1)
3446                         ws->l_state.vertical_msize--;
3447                 break;
3448         case SWM_ARG_ID_MASTERGROW:
3449                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3450                         ws->l_state.vertical_msize++;
3451                 break;
3452         case SWM_ARG_ID_MASTERADD:
3453                 ws->l_state.vertical_mwin++;
3454                 break;
3455         case SWM_ARG_ID_MASTERDEL:
3456                 if (ws->l_state.vertical_mwin > 0)
3457                         ws->l_state.vertical_mwin--;
3458                 break;
3459         case SWM_ARG_ID_STACKINC:
3460                 ws->l_state.vertical_stacks++;
3461                 break;
3462         case SWM_ARG_ID_STACKDEC:
3463                 if (ws->l_state.vertical_stacks > 1)
3464                         ws->l_state.vertical_stacks--;
3465                 break;
3466         case SWM_ARG_ID_FLIPLAYOUT:
3467                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3468                 break;
3469         default:
3470                 return;
3471         }
3472 }
3473
3474 void
3475 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3476 {
3477         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3478
3479         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3480 }
3481
3482 void
3483 horizontal_config(struct workspace *ws, int id)
3484 {
3485         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3486
3487         switch (id) {
3488         case SWM_ARG_ID_STACKRESET:
3489         case SWM_ARG_ID_STACKINIT:
3490                 ws->l_state.horizontal_mwin = 1;
3491                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3492                 ws->l_state.horizontal_stacks = 1;
3493                 break;
3494         case SWM_ARG_ID_MASTERSHRINK:
3495                 if (ws->l_state.horizontal_msize > 1)
3496                         ws->l_state.horizontal_msize--;
3497                 break;
3498         case SWM_ARG_ID_MASTERGROW:
3499                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3500                         ws->l_state.horizontal_msize++;
3501                 break;
3502         case SWM_ARG_ID_MASTERADD:
3503                 ws->l_state.horizontal_mwin++;
3504                 break;
3505         case SWM_ARG_ID_MASTERDEL:
3506                 if (ws->l_state.horizontal_mwin > 0)
3507                         ws->l_state.horizontal_mwin--;
3508                 break;
3509         case SWM_ARG_ID_STACKINC:
3510                 ws->l_state.horizontal_stacks++;
3511                 break;
3512         case SWM_ARG_ID_STACKDEC:
3513                 if (ws->l_state.horizontal_stacks > 1)
3514                         ws->l_state.horizontal_stacks--;
3515                 break;
3516         case SWM_ARG_ID_FLIPLAYOUT:
3517                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3518                 break;
3519         default:
3520                 return;
3521         }
3522 }
3523
3524 void
3525 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3526 {
3527         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3528
3529         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3530 }
3531
3532 /* fullscreen view */
3533 void
3534 max_stack(struct workspace *ws, struct swm_geometry *g)
3535 {
3536         struct swm_geometry     gg = *g;
3537         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3538         int                     winno, num_screens;
3539
3540         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3541
3542         if (ws == NULL)
3543                 return;
3544
3545         winno = count_win(ws, 0);
3546         if (winno == 0 && count_win(ws, 1) == 0)
3547                 return;
3548
3549         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3550         TAILQ_FOREACH(win, &ws->winlist, entry) {
3551                 if (win->transient) {
3552                         wintrans = win;
3553                         parent = find_window(win->transient);
3554                         continue;
3555                 }
3556
3557                 if (win->floating && win->floatmaxed == 0 ) {
3558                         /*
3559                          * retain geometry for retrieval on exit from
3560                          * max_stack mode
3561                          */
3562                         store_float_geom(win, ws->r);
3563                         win->floatmaxed = 1;
3564                 }
3565
3566                 /* only reconfigure if necessary */
3567                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3568                     HEIGHT(win) != gg.h) {
3569                         win->g = gg;
3570                         if (bar_enabled){
3571                                 win->bordered = 1;
3572                         } else {
3573                                 win->bordered = 0;
3574                                 WIDTH(win) += 2 * border_width;
3575                                 HEIGHT(win) += 2 * border_width;
3576                         }
3577
3578                         update_window(win);
3579                 }
3580                 /* unmap only if we don't have multi screen */
3581                 if (win != ws->focus)
3582                         if (!(num_screens > 1 || outputs > 1))
3583                                 unmap_window(win);
3584         }
3585
3586         /* put the last transient on top */
3587         if (wintrans) {
3588                 if (parent)
3589                         map_window_raised(parent->id);
3590                 stack_floater(wintrans, ws->r);
3591                 focus_magic(wintrans);
3592         }
3593 }
3594
3595 void
3596 send_to_ws(struct swm_region *r, union arg *args)
3597 {
3598         int                     wsid = args->id;
3599         struct ws_win           *win = NULL, *parent;
3600         struct workspace        *ws, *nws;
3601         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3602         char                    ws_idx_str[SWM_PROPLEN];
3603         union arg               a;
3604
3605         if (wsid >= workspace_limit)
3606                 return;
3607
3608         if (r && r->ws && r->ws->focus)
3609                 win = r->ws->focus;
3610         else
3611                 return;
3612         if (win == NULL)
3613                 return;
3614         if (win->ws->idx == wsid)
3615                 return;
3616
3617         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3618
3619         ws = win->ws;
3620         nws = &win->s->ws[wsid];
3621
3622         a.id = SWM_ARG_ID_FOCUSPREV;
3623         focus(r, &a);
3624         if (win->transient) {
3625                 parent = find_window(win->transient);
3626                 if (parent) {
3627                         unmap_window(parent);
3628                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3629                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3630                         parent->ws = nws;
3631                 }
3632         }
3633         unmap_window(win);
3634         TAILQ_REMOVE(&ws->winlist, win, entry);
3635         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3636         if (TAILQ_EMPTY(&ws->winlist))
3637                 r->ws->focus = NULL;
3638         win->ws = nws;
3639
3640         /* Try to update the window's workspace property */
3641         ws_idx_atom = get_atom_from_string("_SWM_WS");
3642         if (ws_idx_atom &&
3643             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3644                 SWM_PROPLEN) {
3645                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3646                     ws_idx_str);
3647                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3648                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3649                     ws_idx_str);
3650         }
3651
3652         stack();
3653         bar_update();
3654
3655         xcb_flush(conn);
3656 }
3657
3658 void
3659 pressbutton(struct swm_region *r, union arg *args)
3660 {
3661         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3662             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3663         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3664             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3665 }
3666
3667 void
3668 raise_toggle(struct swm_region *r, union arg *args)
3669 {
3670         if (r == NULL || r->ws == NULL)
3671                 return;
3672
3673         r->ws->always_raise = !r->ws->always_raise;
3674
3675         /* bring floaters back to top */
3676         if (r->ws->always_raise == 0)
3677                 stack();
3678
3679         xcb_flush(conn);
3680 }
3681
3682 void
3683 iconify(struct swm_region *r, union arg *args)
3684 {
3685         union arg a;
3686
3687         if (r->ws->focus == NULL)
3688                 return;
3689         unmap_window(r->ws->focus);
3690         update_iconic(r->ws->focus, 1);
3691         stack();
3692
3693         r->ws->focus = NULL;
3694         a.id = SWM_ARG_ID_FOCUSCUR;
3695         focus(r, &a);
3696
3697         xcb_flush(conn);
3698 }
3699
3700 char *
3701 get_win_name(xcb_window_t win)
3702 {
3703         char                            *name = NULL;
3704         xcb_get_property_cookie_t       c;
3705         xcb_icccm_get_text_property_reply_t     r;
3706
3707         c = xcb_icccm_get_wm_name(conn, win);
3708         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3709                 if (r.name_len > 0) {
3710                         name = malloc(r.name_len + 1);
3711                         if (!name) {
3712                                 xcb_icccm_get_text_property_reply_wipe(&r);
3713                                 return (NULL);
3714                         }
3715                         memcpy(name, r.name, r.name_len);
3716                         name[r.name_len] = '\0';
3717                 }
3718                 xcb_icccm_get_text_property_reply_wipe(&r);
3719         }
3720
3721         return (name);
3722 }
3723
3724 void
3725 uniconify(struct swm_region *r, union arg *args)
3726 {
3727         struct ws_win           *win;
3728         FILE                    *lfile;
3729         char                    *name;
3730         int                     count = 0;
3731
3732         DNPRINTF(SWM_D_MISC, "uniconify\n");
3733
3734         if (r == NULL || r->ws == NULL)
3735                 return;
3736
3737         /* make sure we have anything to uniconify */
3738         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3739                 if (win->ws == NULL)
3740                         continue; /* should never happen */
3741                 if (win->iconic == 0)
3742                         continue;
3743                 count++;
3744         }
3745         if (count == 0)
3746                 return;
3747
3748         search_r = r;
3749         search_resp_action = SWM_SEARCH_UNICONIFY;
3750
3751         spawn_select(r, args, "search", &searchpid);
3752
3753         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3754                 return;
3755
3756         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3757                 if (win->ws == NULL)
3758                         continue; /* should never happen */
3759                 if (win->iconic == 0)
3760                         continue;
3761
3762                 name = get_win_name(win->id);
3763                 if (name == NULL)
3764                         continue;
3765                 fprintf(lfile, "%s.%u\n", name, win->id);
3766                 free(name);
3767         }
3768
3769         fclose(lfile);
3770
3771         xcb_flush(conn);
3772 }
3773
3774 void
3775 name_workspace(struct swm_region *r, union arg *args)
3776 {
3777         FILE                    *lfile;
3778
3779         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3780
3781         if (r == NULL)
3782                 return;
3783
3784         search_r = r;
3785         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3786
3787         spawn_select(r, args, "name_workspace", &searchpid);
3788
3789         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3790                 return;
3791
3792         fprintf(lfile, "%s", "");
3793         fclose(lfile);
3794 }
3795
3796 void
3797 search_workspace(struct swm_region *r, union arg *args)
3798 {
3799         int                     i;
3800         struct workspace        *ws;
3801         FILE                    *lfile;
3802
3803         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3804
3805         if (r == NULL)
3806                 return;
3807
3808         search_r = r;
3809         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3810
3811         spawn_select(r, args, "search", &searchpid);
3812
3813         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3814                 return;
3815
3816         for (i = 0; i < workspace_limit; i++) {
3817                 ws = &r->s->ws[i];
3818                 if (ws == NULL)
3819                         continue;
3820                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3821                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3822         }
3823
3824         fclose(lfile);
3825 }
3826
3827 void
3828 search_win_cleanup(void)
3829 {
3830         struct search_window    *sw = NULL;
3831
3832         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3833                 xcb_destroy_window(conn, sw->indicator);
3834                 xcb_free_gc(conn, sw->gc);
3835                 TAILQ_REMOVE(&search_wl, sw, entry);
3836                 free(sw);
3837         }
3838 }
3839
3840 void
3841 search_win(struct swm_region *r, union arg *args)
3842 {
3843         struct ws_win           *win = NULL;
3844         struct search_window    *sw = NULL;
3845         xcb_window_t            w;
3846         uint32_t                gcv[4], wa[2];
3847         int                     i, width;
3848         char                    s[8];
3849         FILE                    *lfile;
3850         size_t                  len;
3851         xcb_char2b_t            *c2b;
3852         xcb_query_text_extents_reply_t *ter;
3853
3854         DNPRINTF(SWM_D_MISC, "search_win\n");
3855
3856         search_r = r;
3857         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3858
3859         spawn_select(r, args, "search", &searchpid);
3860
3861         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3862                 return;
3863
3864         TAILQ_INIT(&search_wl);
3865
3866         i = 1;
3867         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3868                 if (win->iconic == 1)
3869                         continue;
3870
3871                 sw = calloc(1, sizeof(struct search_window));
3872                 if (sw == NULL) {
3873                         warn("search_win: calloc");
3874                         fclose(lfile);
3875                         search_win_cleanup();
3876                         return;
3877                 }
3878                 sw->idx = i;
3879                 sw->win = win;
3880
3881                 snprintf(s, sizeof s, "%d", i);
3882                 len = strlen(s);
3883
3884                 c2b = char2b(s);
3885                 if (!c2b) {
3886                         warn("search_win: char2b malloc");
3887                         free(sw);
3888                         fclose(lfile);
3889                         search_win_cleanup();
3890                         return;
3891                 }
3892                 ter = xcb_query_text_extents_reply(conn,
3893                         xcb_query_text_extents(conn, bar_fs,
3894                             len, c2b),
3895                         NULL);
3896                 if (!ter) {
3897                         warn("search_win: query text failed");
3898                         free(c2b);
3899                         free(sw);
3900                         fclose(lfile);
3901                         search_win_cleanup();
3902                         return;
3903                 }
3904                 width = ter->overall_width;
3905                 free(ter);
3906                 free(c2b);
3907
3908                 w = xcb_generate_id(conn);
3909                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3910                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3911                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3912                     width + 4, bar_fs_height + 4,
3913                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3914                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3915
3916                 sw->indicator = w;
3917                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3918
3919                 sw->gc = xcb_generate_id(conn);
3920                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3921                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3922                 gcv[2] = bar_fs;
3923                 gcv[3] = 0;
3924                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3925                     XCB_GC_BACKGROUND | XCB_GC_FONT | XCB_GC_GRAPHICS_EXPOSURES,
3926                     gcv);
3927                 map_window_raised(w);
3928
3929                 xcb_image_text_8(conn, len, w, sw->gc, 2, bar_fs_height, s);
3930
3931                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3932
3933                 fprintf(lfile, "%d\n", i);
3934                 i++;
3935         }
3936
3937         fclose(lfile);
3938
3939         xcb_flush(conn);
3940 }
3941
3942 void
3943 search_resp_uniconify(char *resp, unsigned long len)
3944 {
3945         char                    *name;
3946         struct ws_win           *win;
3947         char                    *s;
3948
3949         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3950
3951         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3952                 if (win->iconic == 0)
3953                         continue;
3954                 name = get_win_name(win->id);
3955                 if (name == NULL)
3956                         continue;
3957                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3958                         free(name);
3959                         continue;
3960                 }
3961                 free(name);
3962                 if (strncmp(s, resp, len) == 0) {
3963                         /* XXX this should be a callback to generalize */
3964                         update_iconic(win, 0);
3965                         free(s);
3966                         break;
3967                 }
3968                 free(s);
3969         }
3970 }
3971
3972 void
3973 search_resp_name_workspace(char *resp, unsigned long len)
3974 {
3975         struct workspace        *ws;
3976
3977         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3978
3979         if (search_r->ws == NULL)
3980                 return;
3981         ws = search_r->ws;
3982
3983         if (ws->name) {
3984                 free(search_r->ws->name);
3985                 search_r->ws->name = NULL;
3986         }
3987
3988         if (len > 1) {
3989                 ws->name = strdup(resp);
3990                 if (ws->name == NULL) {
3991                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3992                             "strdup: %s", strerror(errno));
3993                         return;
3994                 }
3995         }
3996 }
3997
3998 void
3999 search_resp_search_workspace(char *resp, unsigned long len)
4000 {
4001         char                    *p, *q;
4002         int                     ws_idx;
4003         const char              *errstr;
4004         union arg               a;
4005
4006         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4007
4008         q = strdup(resp);
4009         if (!q) {
4010                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4011                     strerror(errno));
4012                 return;
4013         }
4014         p = strchr(q, ':');
4015         if (p != NULL)
4016                 *p = '\0';
4017         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4018         if (errstr) {
4019                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4020                     errstr, q);
4021                 free(q);
4022                 return;
4023         }
4024         free(q);
4025         a.id = ws_idx - 1;
4026         switchws(search_r, &a);
4027 }
4028
4029 void
4030 search_resp_search_window(char *resp, unsigned long len)
4031 {
4032         char                    *s;
4033         int                     idx;
4034         const char              *errstr;
4035         struct search_window    *sw;
4036
4037         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4038
4039         s = strdup(resp);
4040         if (!s) {
4041                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4042                     strerror(errno));
4043                 return;
4044         }
4045
4046         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4047         if (errstr) {
4048                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4049                     errstr, s);
4050                 free(s);
4051                 return;
4052         }
4053         free(s);
4054
4055         TAILQ_FOREACH(sw, &search_wl, entry)
4056                 if (idx == sw->idx) {
4057                         focus_win(sw->win);
4058                         break;
4059                 }
4060 }
4061
4062 #define MAX_RESP_LEN    1024
4063
4064 void
4065 search_do_resp(void)
4066 {
4067         ssize_t                 rbytes;
4068         char                    *resp;
4069         unsigned long           len;
4070
4071         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4072
4073         search_resp = 0;
4074         searchpid = 0;
4075
4076         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4077                 warn("search: calloc");
4078                 goto done;
4079         }
4080
4081         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4082         if (rbytes <= 0) {
4083                 warn("search: read error");
4084                 goto done;
4085         }
4086         resp[rbytes] = '\0';
4087
4088         /* XXX:
4089          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4090          * newline, so work around that by sanitizing the resp now.
4091          */
4092         resp[strcspn(resp, "\n")] = '\0';
4093         len = strlen(resp);
4094
4095         switch (search_resp_action) {
4096         case SWM_SEARCH_UNICONIFY:
4097                 search_resp_uniconify(resp, len);
4098                 break;
4099         case SWM_SEARCH_NAME_WORKSPACE:
4100                 search_resp_name_workspace(resp, len);
4101                 break;
4102         case SWM_SEARCH_SEARCH_WORKSPACE:
4103                 search_resp_search_workspace(resp, len);
4104                 break;
4105         case SWM_SEARCH_SEARCH_WINDOW:
4106                 search_resp_search_window(resp, len);
4107                 break;
4108         }
4109
4110 done:
4111         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4112                 search_win_cleanup();
4113
4114         search_resp_action = SWM_SEARCH_NONE;
4115         close(select_resp_pipe[0]);
4116         free(resp);
4117 }
4118
4119 void
4120 wkill(struct swm_region *r, union arg *args)
4121 {
4122         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4123
4124         if (r->ws->focus == NULL)
4125                 return;
4126
4127         if (args->id == SWM_ARG_ID_KILLWINDOW)
4128                 xcb_kill_client(conn, r->ws->focus->id);
4129         else
4130                 if (r->ws->focus->can_delete)
4131                         client_msg(r->ws->focus, a_delete);
4132
4133         xcb_flush(conn);
4134 }
4135
4136
4137 int
4138 floating_toggle_win(struct ws_win *win)
4139 {
4140         struct swm_region       *r;
4141
4142         if (win == NULL)
4143                 return (0);
4144
4145         if (!win->ws->r)
4146                 return (0);
4147
4148         r = win->ws->r;
4149
4150         /* reject floating toggles in max stack mode */
4151         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4152                 return (0);
4153
4154         if (win->floating) {
4155                 if (!win->floatmaxed) {
4156                         /* retain position for refloat */
4157                         store_float_geom(win, r);
4158                 }
4159                 win->floating = 0;
4160         } else {
4161                 if (win->g_floatvalid) {
4162                         /* refloat at last floating relative position */
4163                         X(win) = win->g_float.x + X(r);
4164                         Y(win) = win->g_float.y + Y(r);
4165                         WIDTH(win) = win->g_float.w;
4166                         HEIGHT(win) = win->g_float.h;
4167                 }
4168                 win->floating = 1;
4169         }
4170
4171         ewmh_update_actions(win);
4172
4173         return (1);
4174 }
4175
4176 void
4177 floating_toggle(struct swm_region *r, union arg *args)
4178 {
4179         struct ws_win           *win = r->ws->focus;
4180         union arg               a;
4181
4182         if (win == NULL)
4183                 return;
4184
4185         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4186             _NET_WM_STATE_TOGGLE);
4187
4188         stack();
4189
4190         if (win == win->ws->focus) {
4191                 a.id = SWM_ARG_ID_FOCUSCUR;
4192                 focus(win->ws->r, &a);
4193         }
4194
4195         xcb_flush(conn);
4196         event_drain(XCB_ENTER_NOTIFY);
4197 }
4198
4199 void
4200 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4201 {
4202         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4203                 if (resizable)
4204                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4205                 else
4206                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4207         }
4208
4209         if (X(win) + BORDER(win) < X(r)) {
4210                 if (resizable)
4211                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4212
4213                 X(win) = X(r) - BORDER(win);
4214         }
4215
4216         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4217                 if (resizable)
4218                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4219                 else
4220                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4221         }
4222
4223         if (Y(win) + BORDER(win) < Y(r)) {
4224                 if (resizable)
4225                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4226
4227                 Y(win) = Y(r) - BORDER(win);
4228         }
4229
4230         if (resizable) {
4231                 if (WIDTH(win) < 1)
4232                         WIDTH(win) = 1;
4233                 if (HEIGHT(win) < 1)
4234                         HEIGHT(win) = 1;
4235         }
4236 }
4237
4238 void
4239 update_window(struct ws_win *win)
4240 {
4241         uint16_t        mask;
4242         uint32_t        wc[5];
4243
4244         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4245                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4246                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4247         wc[0] = X(win);
4248         wc[1] = Y(win);
4249         wc[2] = WIDTH(win);
4250         wc[3] = HEIGHT(win);
4251         wc[4] = BORDER(win);
4252
4253         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4254             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4255             wc[3], YESNO(win->bordered));
4256
4257         xcb_configure_window(conn, win->id, mask, wc);
4258 }
4259
4260 #define SWM_RESIZE_STEPS        (50)
4261
4262 void
4263 resize(struct ws_win *win, union arg *args)
4264 {
4265         xcb_timestamp_t         timestamp = 0;
4266         struct swm_region       *r = NULL;
4267         int                     resize_step = 0;
4268         struct swm_geometry     g;
4269         int                     top = 0, left = 0, resizing;
4270         int                     dx, dy;
4271         unsigned int            shape; /* cursor style */
4272         xcb_cursor_t            cursor;
4273         xcb_font_t              cursor_font;
4274         xcb_grab_pointer_cookie_t       gpc;
4275         xcb_grab_pointer_reply_t        *gpr;
4276         xcb_query_pointer_reply_t       *xpr;
4277         xcb_generic_event_t             *evt;
4278         xcb_motion_notify_event_t       *mne;
4279
4280         if (win == NULL)
4281                 return;
4282         r = win->ws->r;
4283
4284         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4285                 return;
4286
4287         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4288             "transient: 0x%x\n", win->id, YESNO(win->floating),
4289             win->transient);
4290
4291         if (!(win->transient != 0 || win->floating != 0))
4292                 return;
4293
4294         /* reject resizes in max mode for floaters (transient ok) */
4295         if (win->floatmaxed)
4296                 return;
4297
4298         win->manual = 1;
4299         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4300             _NET_WM_STATE_ADD);
4301
4302         stack();
4303
4304         switch (args->id) {
4305         case SWM_ARG_ID_WIDTHSHRINK:
4306                 WIDTH(win) -= SWM_RESIZE_STEPS;
4307                 resize_step = 1;
4308                 break;
4309         case SWM_ARG_ID_WIDTHGROW:
4310                 WIDTH(win) += SWM_RESIZE_STEPS;
4311                 resize_step = 1;
4312                 break;
4313         case SWM_ARG_ID_HEIGHTSHRINK:
4314                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4315                 resize_step = 1;
4316                 break;
4317         case SWM_ARG_ID_HEIGHTGROW:
4318                 HEIGHT(win) += SWM_RESIZE_STEPS;
4319                 resize_step = 1;
4320                 break;
4321         default:
4322                 break;
4323         }
4324         if (resize_step) {
4325                 constrain_window(win, r, 1);
4326                 update_window(win);
4327                 store_float_geom(win,r);
4328                 return;
4329         }
4330
4331         /* get cursor offset from window root */
4332         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4333             NULL);
4334         if (!xpr)
4335                 return;
4336
4337         g = win->g;
4338
4339         if (xpr->win_x < WIDTH(win) / 2)
4340                 left = 1;
4341
4342         if (xpr->win_y < HEIGHT(win) / 2)
4343                 top = 1;
4344
4345         if (args->id == SWM_ARG_ID_CENTER)
4346                 shape = XC_sizing;
4347         else if (top)
4348                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4349         else
4350                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4351
4352         cursor_font = xcb_generate_id(conn);
4353         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4354
4355         cursor = xcb_generate_id(conn);
4356         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4357             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4358
4359         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4360             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4361             XCB_CURRENT_TIME),
4362         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4363         if (!gpr) {
4364                 xcb_free_cursor(conn, cursor);
4365                 xcb_close_font(conn, cursor_font);
4366                 free(xpr);
4367                 return;
4368         }
4369
4370         xcb_flush(conn);
4371         resizing = 1;
4372         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4373                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4374                 case XCB_BUTTON_RELEASE:
4375                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4376                         resizing = 0;
4377                         break;
4378                 case XCB_MOTION_NOTIFY:
4379                         mne = (xcb_motion_notify_event_t *)evt;
4380                         /* cursor offset/delta from start of the operation */
4381                         dx = mne->root_x - xpr->root_x;
4382                         dy = mne->root_y - xpr->root_y;
4383
4384                         /* vertical */
4385                         if (top)
4386                                 dy = -dy;
4387
4388                         if (args->id == SWM_ARG_ID_CENTER) {
4389                                 if (g.h / 2 + dy < 1)
4390                                         dy = 1 - g.h / 2;
4391
4392                                 Y(win) = g.y - dy;
4393                                 HEIGHT(win) = g.h + 2 * dy;
4394                         } else {
4395                                 if (g.h + dy < 1)
4396                                         dy = 1 - g.h;
4397
4398                                 if (top)
4399                                         Y(win) = g.y - dy;
4400
4401                                 HEIGHT(win) = g.h + dy;
4402                         }
4403
4404                         /* horizontal */
4405                         if (left)
4406                                 dx = -dx;
4407
4408                         if (args->id == SWM_ARG_ID_CENTER) {
4409                                 if (g.w / 2 + dx < 1)
4410                                         dx = 1 - g.w / 2;
4411
4412                                 X(win) = g.x - dx;
4413                                 WIDTH(win) = g.w + 2 * dx;
4414                         } else {
4415                                 if (g.w + dx < 1)
4416                                         dx = 1 - g.w;
4417
4418                                 if (left)
4419                                         X(win) = g.x - dx;
4420
4421                                 WIDTH(win) = g.w + dx;
4422                         }
4423
4424                         constrain_window(win, r, 1);
4425
4426                         /* not free, don't sync more than 120 times / second */
4427                         if ((mne->time - timestamp) > (1000 / 120) ) {
4428                                 timestamp = mne->time;
4429                                 do_sync();
4430                                 update_window(win);
4431                         }
4432                         break;
4433                 default:
4434                         event_handle(evt);
4435                         break;
4436                 }
4437                 free(evt);
4438         }
4439         if (timestamp) {
4440                 do_sync();
4441                 update_window(win);
4442         }
4443         store_float_geom(win,r);
4444
4445         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4446         xcb_free_cursor(conn, cursor);
4447         xcb_close_font(conn, cursor_font);
4448         free(gpr);
4449         free(xpr);
4450         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4451 }
4452
4453 void
4454 resize_step(struct swm_region *r, union arg *args)
4455 {
4456         struct ws_win           *win = NULL;
4457
4458         if (r && r->ws && r->ws->focus)
4459                 win = r->ws->focus;
4460         else
4461                 return;
4462
4463         resize(win, args);
4464 }
4465
4466 #define SWM_MOVE_STEPS  (50)
4467
4468 void
4469 move(struct ws_win *win, union arg *args)
4470 {
4471         xcb_timestamp_t         timestamp = 0;
4472         int                     move_step = 0, moving;
4473         struct swm_region       *r = NULL;
4474         xcb_font_t                      cursor_font;
4475         xcb_cursor_t                    cursor;
4476         xcb_grab_pointer_cookie_t       gpc;
4477         xcb_grab_pointer_reply_t        *gpr;
4478         xcb_query_pointer_reply_t       *qpr;
4479         xcb_generic_event_t             *evt;
4480         xcb_motion_notify_event_t       *mne;
4481
4482         if (win == NULL)
4483                 return;
4484         r = win->ws->r;
4485
4486         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4487                 return;
4488
4489         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4490             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4491
4492         /* in max_stack mode should only move transients */
4493         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4494                 return;
4495
4496         win->manual = 1;
4497         if (win->floating == 0 && !win->transient) {
4498                 store_float_geom(win, r);
4499                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4500                     _NET_WM_STATE_ADD);
4501         }
4502         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4503             _NET_WM_STATE_ADD);
4504
4505         stack();
4506
4507         move_step = 0;
4508         switch (args->id) {
4509         case SWM_ARG_ID_MOVELEFT:
4510                 X(win) -= (SWM_MOVE_STEPS - border_width);
4511                 move_step = 1;
4512                 break;
4513         case SWM_ARG_ID_MOVERIGHT:
4514                 X(win) += (SWM_MOVE_STEPS - border_width);
4515                 move_step = 1;
4516                 break;
4517         case SWM_ARG_ID_MOVEUP:
4518                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4519                 move_step = 1;
4520                 break;
4521         case SWM_ARG_ID_MOVEDOWN:
4522                 Y(win) += (SWM_MOVE_STEPS - border_width);
4523                 move_step = 1;
4524                 break;
4525         default:
4526                 break;
4527         }
4528         if (move_step) {
4529                 constrain_window(win, r, 0);
4530                 update_window(win);
4531                 store_float_geom(win, r);
4532                 return;
4533         }
4534
4535         cursor_font = xcb_generate_id(conn);
4536         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4537
4538         cursor = xcb_generate_id(conn);
4539         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4540                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4541
4542         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4543             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4544             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4545         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4546         if (!gpr) {
4547                 xcb_free_cursor(conn, cursor);
4548                 xcb_close_font(conn, cursor_font);
4549                 return;
4550         }
4551
4552         /* get cursor offset from window root */
4553         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4554                 NULL);
4555         if (!qpr) {
4556                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4557                 xcb_free_cursor(conn, cursor);
4558                 xcb_close_font(conn, cursor_font);
4559                 return;
4560         }
4561
4562         xcb_flush(conn);
4563         moving = 1;
4564         while ((evt = xcb_wait_for_event(conn)) && moving) {
4565                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4566                 case XCB_BUTTON_RELEASE:
4567                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4568                         moving = 0;
4569                         break;
4570                 case XCB_MOTION_NOTIFY:
4571                         mne = (xcb_motion_notify_event_t *)evt;
4572                         X(win) = mne->root_x - qpr->win_x - border_width;
4573                         Y(win) = mne->root_y - qpr->win_y - border_width;
4574
4575                         constrain_window(win, r, 0);
4576
4577                         /* not free, don't sync more than 120 times / second */
4578                         if ((mne->time - timestamp) > (1000 / 120) ) {
4579                                 timestamp = mne->time;
4580                                 do_sync();
4581                                 update_window(win);
4582                         }
4583                         break;
4584                 default:
4585                         event_handle(evt);
4586                         break;
4587                 }
4588                 free(evt);
4589         }
4590         if (timestamp) {
4591                 do_sync();
4592                 update_window(win);
4593         }
4594         store_float_geom(win, r);
4595         free(qpr);
4596         xcb_free_cursor(conn, cursor);
4597         xcb_close_font(conn, cursor_font);
4598         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4599         DNPRINTF(SWM_D_EVENT, "move: done\n");
4600 }
4601
4602 void
4603 move_step(struct swm_region *r, union arg *args)
4604 {
4605         struct ws_win           *win = NULL;
4606
4607         if (r && r->ws && r->ws->focus)
4608                 win = r->ws->focus;
4609         else
4610                 return;
4611
4612         if (!(win->transient != 0 || win->floating != 0))
4613                 return;
4614
4615         move(win, args);
4616 }
4617
4618
4619 /* user/key callable function IDs */
4620 enum keyfuncid {
4621         KF_BAR_TOGGLE,
4622         KF_BUTTON2,
4623         KF_CYCLE_LAYOUT,
4624         KF_FLIP_LAYOUT,
4625         KF_FLOAT_TOGGLE,
4626         KF_FOCUS_MAIN,
4627         KF_FOCUS_NEXT,
4628         KF_FOCUS_PREV,
4629         KF_HEIGHT_GROW,
4630         KF_HEIGHT_SHRINK,
4631         KF_ICONIFY,
4632         KF_MASTER_SHRINK,
4633         KF_MASTER_GROW,
4634         KF_MASTER_ADD,
4635         KF_MASTER_DEL,
4636         KF_MOVE_DOWN,
4637         KF_MOVE_LEFT,
4638         KF_MOVE_RIGHT,
4639         KF_MOVE_UP,
4640         KF_MVWS_1,
4641         KF_MVWS_2,
4642         KF_MVWS_3,
4643         KF_MVWS_4,
4644         KF_MVWS_5,
4645         KF_MVWS_6,
4646         KF_MVWS_7,
4647         KF_MVWS_8,
4648         KF_MVWS_9,
4649         KF_MVWS_10,
4650         KF_MVWS_11,
4651         KF_MVWS_12,
4652         KF_MVWS_13,
4653         KF_MVWS_14,
4654         KF_MVWS_15,
4655         KF_MVWS_16,
4656         KF_MVWS_17,
4657         KF_MVWS_18,
4658         KF_MVWS_19,
4659         KF_MVWS_20,
4660         KF_MVWS_21,
4661         KF_MVWS_22,
4662         KF_NAME_WORKSPACE,
4663         KF_QUIT,
4664         KF_RAISE_TOGGLE,
4665         KF_RESTART,
4666         KF_SCREEN_NEXT,
4667         KF_SCREEN_PREV,
4668         KF_SEARCH_WIN,
4669         KF_SEARCH_WORKSPACE,
4670         KF_SPAWN_CUSTOM,
4671         KF_STACK_INC,
4672         KF_STACK_DEC,
4673         KF_STACK_RESET,
4674         KF_SWAP_MAIN,
4675         KF_SWAP_NEXT,
4676         KF_SWAP_PREV,
4677         KF_UNICONIFY,
4678         KF_VERSION,
4679         KF_WIDTH_GROW,
4680         KF_WIDTH_SHRINK,
4681         KF_WIND_DEL,
4682         KF_WIND_KILL,
4683         KF_WS_1,
4684         KF_WS_2,
4685         KF_WS_3,
4686         KF_WS_4,
4687         KF_WS_5,
4688         KF_WS_6,
4689         KF_WS_7,
4690         KF_WS_8,
4691         KF_WS_9,
4692         KF_WS_10,
4693         KF_WS_11,
4694         KF_WS_12,
4695         KF_WS_13,
4696         KF_WS_14,
4697         KF_WS_15,
4698         KF_WS_16,
4699         KF_WS_17,
4700         KF_WS_18,
4701         KF_WS_19,
4702         KF_WS_20,
4703         KF_WS_21,
4704         KF_WS_22,
4705         KF_WS_NEXT,
4706         KF_WS_NEXT_ALL,
4707         KF_WS_PREV,
4708         KF_WS_PREV_ALL,
4709         KF_WS_PRIOR,
4710         KF_DUMPWINS, /* MUST BE LAST */
4711         KF_INVALID
4712 };
4713
4714 /* key definitions */
4715 struct keyfunc {
4716         char                    name[SWM_FUNCNAME_LEN];
4717         void                    (*func)(struct swm_region *r, union arg *);
4718         union arg               args;
4719 } keyfuncs[KF_INVALID + 1] = {
4720         /* name                 function        argument */
4721         { "bar_toggle",         bar_toggle,     {0} },
4722         { "button2",            pressbutton,    {2} },
4723         { "cycle_layout",       cycle_layout,   {0} },
4724         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4725         { "float_toggle",       floating_toggle,{0} },
4726         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4727         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4728         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4729         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4730         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4731         { "iconify",            iconify,        {0} },
4732         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4733         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4734         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4735         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4736         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4737         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4738         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4739         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4740         { "mvws_1",             send_to_ws,     {.id = 0} },
4741         { "mvws_2",             send_to_ws,     {.id = 1} },
4742         { "mvws_3",             send_to_ws,     {.id = 2} },
4743         { "mvws_4",             send_to_ws,     {.id = 3} },
4744         { "mvws_5",             send_to_ws,     {.id = 4} },
4745         { "mvws_6",             send_to_ws,     {.id = 5} },
4746         { "mvws_7",             send_to_ws,     {.id = 6} },
4747         { "mvws_8",             send_to_ws,     {.id = 7} },
4748         { "mvws_9",             send_to_ws,     {.id = 8} },
4749         { "mvws_10",            send_to_ws,     {.id = 9} },
4750         { "mvws_11",            send_to_ws,     {.id = 10} },
4751         { "mvws_12",            send_to_ws,     {.id = 11} },
4752         { "mvws_13",            send_to_ws,     {.id = 12} },
4753         { "mvws_14",            send_to_ws,     {.id = 13} },
4754         { "mvws_15",            send_to_ws,     {.id = 14} },
4755         { "mvws_16",            send_to_ws,     {.id = 15} },
4756         { "mvws_17",            send_to_ws,     {.id = 16} },
4757         { "mvws_18",            send_to_ws,     {.id = 17} },
4758         { "mvws_19",            send_to_ws,     {.id = 18} },
4759         { "mvws_20",            send_to_ws,     {.id = 19} },
4760         { "mvws_21",            send_to_ws,     {.id = 20} },
4761         { "mvws_22",            send_to_ws,     {.id = 21} },
4762         { "name_workspace",     name_workspace, {0} },
4763         { "quit",               quit,           {0} },
4764         { "raise_toggle",       raise_toggle,   {0} },
4765         { "restart",            restart,        {0} },
4766         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4767         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4768         { "search_win",         search_win,     {0} },
4769         { "search_workspace",   search_workspace,       {0} },
4770         { "spawn_custom",       NULL,           {0} },
4771         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4772         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4773         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4774         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4775         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4776         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4777         { "uniconify",          uniconify,      {0} },
4778         { "version",            version,        {0} },
4779         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4780         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4781         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4782         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4783         { "ws_1",               switchws,       {.id = 0} },
4784         { "ws_2",               switchws,       {.id = 1} },
4785         { "ws_3",               switchws,       {.id = 2} },
4786         { "ws_4",               switchws,       {.id = 3} },
4787         { "ws_5",               switchws,       {.id = 4} },
4788         { "ws_6",               switchws,       {.id = 5} },
4789         { "ws_7",               switchws,       {.id = 6} },
4790         { "ws_8",               switchws,       {.id = 7} },
4791         { "ws_9",               switchws,       {.id = 8} },
4792         { "ws_10",              switchws,       {.id = 9} },
4793         { "ws_11",              switchws,       {.id = 10} },
4794         { "ws_12",              switchws,       {.id = 11} },
4795         { "ws_13",              switchws,       {.id = 12} },
4796         { "ws_14",              switchws,       {.id = 13} },
4797         { "ws_15",              switchws,       {.id = 14} },
4798         { "ws_16",              switchws,       {.id = 15} },
4799         { "ws_17",              switchws,       {.id = 16} },
4800         { "ws_18",              switchws,       {.id = 17} },
4801         { "ws_19",              switchws,       {.id = 18} },
4802         { "ws_20",              switchws,       {.id = 19} },
4803         { "ws_21",              switchws,       {.id = 20} },
4804         { "ws_22",              switchws,       {.id = 21} },
4805         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4806         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4807         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4808         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4809         { "ws_prior",           priorws,        {0} },
4810         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4811         { "invalid key func",   NULL,           {0} },
4812 };
4813 struct key {
4814         RB_ENTRY(key)           entry;
4815         unsigned int            mod;
4816         KeySym                  keysym;
4817         enum keyfuncid          funcid;
4818         char                    *spawn_name;
4819 };
4820 RB_HEAD(key_tree, key);
4821
4822 int
4823 key_cmp(struct key *kp1, struct key *kp2)
4824 {
4825         if (kp1->keysym < kp2->keysym)
4826                 return (-1);
4827         if (kp1->keysym > kp2->keysym)
4828                 return (1);
4829
4830         if (kp1->mod < kp2->mod)
4831                 return (-1);
4832         if (kp1->mod > kp2->mod)
4833                 return (1);
4834
4835         return (0);
4836 }
4837
4838 RB_GENERATE(key_tree, key, entry, key_cmp);
4839 struct key_tree                 keys;
4840
4841 /* mouse */
4842 enum { client_click, root_click };
4843 struct button {
4844         unsigned int            action;
4845         unsigned int            mask;
4846         unsigned int            button;
4847         void                    (*func)(struct ws_win *, union arg *);
4848         union arg               args;
4849 } buttons[] = {
4850           /* action     key             mouse button    func    args */
4851         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4852         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4853         { client_click, MODKEY,         Button1,        move,   {0} },
4854 };
4855
4856 void
4857 update_modkey(unsigned int mod)
4858 {
4859         int                     i;
4860         struct key              *kp;
4861
4862         mod_key = mod;
4863         RB_FOREACH(kp, key_tree, &keys)
4864                 if (kp->mod & ShiftMask)
4865                         kp->mod = mod | ShiftMask;
4866                 else
4867                         kp->mod = mod;
4868
4869         for (i = 0; i < LENGTH(buttons); i++)
4870                 if (buttons[i].mask & ShiftMask)
4871                         buttons[i].mask = mod | ShiftMask;
4872                 else
4873                         buttons[i].mask = mod;
4874 }
4875
4876 /* spawn */
4877 struct spawn_prog {
4878         TAILQ_ENTRY(spawn_prog) entry;
4879         char                    *name;
4880         int                     argc;
4881         char                    **argv;
4882 };
4883 TAILQ_HEAD(spawn_list, spawn_prog);
4884 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4885
4886 int
4887 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4888     char ***ret_args)
4889 {
4890         struct spawn_prog       *prog = NULL;
4891         int                     i;
4892         char                    *ap, **real_args;
4893
4894         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4895
4896         /* find program */
4897         TAILQ_FOREACH(prog, &spawns, entry) {
4898                 if (!strcasecmp(spawn_name, prog->name))
4899                         break;
4900         }
4901         if (prog == NULL) {
4902                 warnx("spawn_custom: program %s not found", spawn_name);
4903                 return (-1);
4904         }
4905
4906         /* make room for expanded args */
4907         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4908                 err(1, "spawn_custom: calloc real_args");
4909
4910         /* expand spawn_args into real_args */
4911         for (i = 0; i < prog->argc; i++) {
4912                 ap = prog->argv[i];
4913                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4914                 if (!strcasecmp(ap, "$bar_border")) {
4915                         if ((real_args[i] =
4916                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4917                             == NULL)
4918                                 err(1,  "spawn_custom border color");
4919                 } else if (!strcasecmp(ap, "$bar_color")) {
4920                         if ((real_args[i] =
4921                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4922                             == NULL)
4923                                 err(1, "spawn_custom bar color");
4924                 } else if (!strcasecmp(ap, "$bar_font")) {
4925                         if ((real_args[i] = strdup(bar_fonts))
4926                             == NULL)
4927                                 err(1, "spawn_custom bar fonts");
4928                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4929                         if ((real_args[i] =
4930                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4931                             == NULL)
4932                                 err(1, "spawn_custom color font");
4933                 } else if (!strcasecmp(ap, "$color_focus")) {
4934                         if ((real_args[i] =
4935                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4936                             == NULL)
4937                                 err(1, "spawn_custom color focus");
4938                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4939                         if ((real_args[i] =
4940                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4941                             == NULL)
4942                                 err(1, "spawn_custom color unfocus");
4943                 } else {
4944                         /* no match --> copy as is */
4945                         if ((real_args[i] = strdup(ap)) == NULL)
4946                                 err(1, "spawn_custom strdup(ap)");
4947                 }
4948                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4949                     real_args[i]);
4950         }
4951
4952 #ifdef SWM_DEBUG
4953         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4954         for (i = 0; i < prog->argc; i++)
4955                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4956         DNPRINTF(SWM_D_SPAWN, "\n");
4957 #endif
4958         *ret_args = real_args;
4959         return (prog->argc);
4960 }
4961
4962 void
4963 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4964 {
4965         union arg               a;
4966         char                    **real_args;
4967         int                     spawn_argc, i;
4968
4969         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4970                 return;
4971         a.argv = real_args;
4972         if (fork() == 0)
4973                 spawn(r->ws->idx, &a, 1);
4974
4975         for (i = 0; i < spawn_argc; i++)
4976                 free(real_args[i]);
4977         free(real_args);
4978 }
4979
4980 void
4981 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4982 {
4983         union arg               a;
4984         char                    **real_args;
4985         int                     i, spawn_argc;
4986
4987         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4988                 return;
4989         a.argv = real_args;
4990
4991         if (pipe(select_list_pipe) == -1)
4992                 err(1, "pipe error");
4993         if (pipe(select_resp_pipe) == -1)
4994                 err(1, "pipe error");
4995
4996         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4997                 err(1, "could not disable SIGPIPE");
4998         switch (*pid = fork()) {
4999         case -1:
5000                 err(1, "cannot fork");
5001                 break;
5002         case 0: /* child */
5003                 if (dup2(select_list_pipe[0], 0) == -1)
5004                         err(1, "dup2");
5005                 if (dup2(select_resp_pipe[1], 1) == -1)
5006                         err(1, "dup2");
5007                 close(select_list_pipe[1]);
5008                 close(select_resp_pipe[0]);
5009                 spawn(r->ws->idx, &a, 0);
5010                 break;
5011         default: /* parent */
5012                 close(select_list_pipe[0]);
5013                 close(select_resp_pipe[1]);
5014                 break;
5015         }
5016
5017         for (i = 0; i < spawn_argc; i++)
5018                 free(real_args[i]);
5019         free(real_args);
5020 }
5021
5022 void
5023 spawn_insert(char *name, char *args)
5024 {
5025         char                    *arg, *cp, *ptr;
5026         struct spawn_prog       *sp;
5027
5028         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5029
5030         if ((sp = calloc(1, sizeof *sp)) == NULL)
5031                 err(1, "spawn_insert: calloc");
5032         if ((sp->name = strdup(name)) == NULL)
5033                 err(1, "spawn_insert: strdup");
5034
5035         /* convert the arguments to an argument list */
5036         if ((ptr = cp = strdup(args)) == NULL)
5037                 err(1, "spawn_insert: strdup");
5038         while ((arg = strsep(&ptr, " \t")) != NULL) {
5039                 /* empty field; skip it */
5040                 if (*arg == '\0')
5041                         continue;
5042
5043                 sp->argc++;
5044                 if ((sp->argv = realloc(sp->argv, sp->argc *
5045                     sizeof *sp->argv)) == NULL)
5046                         err(1, "spawn_insert: realloc");
5047                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5048                         err(1, "spawn_insert: strdup");
5049         }
5050         free(cp);
5051
5052         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5053         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5054 }
5055
5056 void
5057 spawn_remove(struct spawn_prog *sp)
5058 {
5059         int                     i;
5060
5061         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5062
5063         TAILQ_REMOVE(&spawns, sp, entry);
5064         for (i = 0; i < sp->argc; i++)
5065                 free(sp->argv[i]);
5066         free(sp->argv);
5067         free(sp->name);
5068         free(sp);
5069
5070         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5071 }
5072
5073 void
5074 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5075 {
5076         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5077
5078         spawn_remove(sp);
5079         spawn_insert(name, args);
5080
5081         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5082 }
5083
5084 void
5085 setspawn(char *name, char *args)
5086 {
5087         struct spawn_prog       *sp;
5088
5089         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5090
5091         if (name == NULL)
5092                 return;
5093
5094         TAILQ_FOREACH(sp, &spawns, entry) {
5095                 if (!strcmp(sp->name, name)) {
5096                         if (*args == '\0')
5097                                 spawn_remove(sp);
5098                         else
5099                                 spawn_replace(sp, name, args);
5100                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5101                         return;
5102                 }
5103         }
5104         if (*args == '\0') {
5105                 warnx("error: setspawn: cannot find program: %s", name);
5106                 return;
5107         }
5108
5109         spawn_insert(name, args);
5110         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5111 }
5112
5113 int
5114 setconfspawn(char *selector, char *value, int flags)
5115 {
5116         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5117
5118         setspawn(selector, value);
5119
5120         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5121         return (0);
5122 }
5123
5124 void
5125 setup_spawn(void)
5126 {
5127         setconfspawn("term",            "xterm",                0);
5128         setconfspawn("spawn_term",      "xterm",                0);
5129         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5130         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5131         setconfspawn("lock",            "xlock",                0);
5132         setconfspawn("initscr",         "initscreen.sh",        0);
5133         setconfspawn("menu",            "dmenu_run"
5134                                         " -fn $bar_font"
5135                                         " -nb $bar_color"
5136                                         " -nf $bar_font_color"
5137                                         " -sb $bar_border"
5138                                         " -sf $bar_color",      0);
5139         setconfspawn("search",          "dmenu"
5140                                         " -i"
5141                                         " -fn $bar_font"
5142                                         " -nb $bar_color"
5143                                         " -nf $bar_font_color"
5144                                         " -sb $bar_border"
5145                                         " -sf $bar_color",      0);
5146         setconfspawn("name_workspace",  "dmenu"
5147                                         " -p Workspace"
5148                                         " -fn $bar_font"
5149                                         " -nb $bar_color"
5150                                         " -nf $bar_font_color"
5151                                         " -sb $bar_border"
5152                                         " -sf $bar_color",      0);
5153 }
5154
5155 /* key bindings */
5156 #define SWM_MODNAME_SIZE        32
5157 #define SWM_KEY_WS              "\n+ \t"
5158 int
5159 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5160 {
5161         char                    *cp, *name;
5162         KeySym                  uks;
5163         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5164         if (mod == NULL || ks == NULL) {
5165                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5166                 return (1);
5167         }
5168         if (keystr == NULL || strlen(keystr) == 0) {
5169                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5170                 return (1);
5171         }
5172         cp = keystr;
5173         *ks = XCB_NO_SYMBOL;
5174         *mod = 0;
5175         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5176                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5177                 if (cp)
5178                         cp += (long)strspn(cp, SWM_KEY_WS);
5179                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5180                         *mod |= currmod;
5181                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5182                         *mod |= Mod1Mask;
5183                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5184                         *mod += Mod2Mask;
5185                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5186                         *mod |= Mod3Mask;
5187                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5188                         *mod |= Mod4Mask;
5189                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5190                         *mod |= ShiftMask;
5191                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5192                         *mod |= ControlMask;
5193                 else {
5194                         *ks = XStringToKeysym(name);
5195                         XConvertCase(*ks, ks, &uks);
5196                         if (ks == XCB_NO_SYMBOL) {
5197                                 DNPRINTF(SWM_D_KEY,
5198                                     "parsekeys: invalid key %s\n",
5199                                     name);
5200                                 return (1);
5201                         }
5202                 }
5203         }
5204         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5205         return (0);
5206 }
5207
5208 char *
5209 strdupsafe(char *str)
5210 {
5211         if (str == NULL)
5212                 return (NULL);
5213         else
5214                 return (strdup(str));
5215 }
5216
5217 void
5218 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5219 {
5220         struct key              *kp;
5221
5222         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5223             keyfuncs[kfid].name, spawn_name);
5224
5225         if ((kp = malloc(sizeof *kp)) == NULL)
5226                 err(1, "key_insert: malloc");
5227
5228         kp->mod = mod;
5229         kp->keysym = ks;
5230         kp->funcid = kfid;
5231         kp->spawn_name = strdupsafe(spawn_name);
5232         RB_INSERT(key_tree, &keys, kp);
5233
5234         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5235 }
5236
5237 struct key *
5238 key_lookup(unsigned int mod, KeySym ks)
5239 {
5240         struct key              kp;
5241
5242         kp.keysym = ks;
5243         kp.mod = mod;
5244
5245         return (RB_FIND(key_tree, &keys, &kp));
5246 }
5247
5248 void
5249 key_remove(struct key *kp)
5250 {
5251         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5252
5253         RB_REMOVE(key_tree, &keys, kp);
5254         free(kp->spawn_name);
5255         free(kp);
5256
5257         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5258 }
5259
5260 void
5261 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5262     char *spawn_name)
5263 {
5264         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5265             spawn_name);
5266
5267         key_remove(kp);
5268         key_insert(mod, ks, kfid, spawn_name);
5269
5270         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5271 }
5272
5273 void
5274 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5275     char *spawn_name)
5276 {
5277         struct key              *kp;
5278
5279         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5280             keyfuncs[kfid].name, spawn_name);
5281
5282         if ((kp = key_lookup(mod, ks)) != NULL) {
5283                 if (kfid == KF_INVALID)
5284                         key_remove(kp);
5285                 else
5286                         key_replace(kp, mod, ks, kfid, spawn_name);
5287                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5288                 return;
5289         }
5290         if (kfid == KF_INVALID) {
5291                 warnx("error: setkeybinding: cannot find mod/key combination");
5292                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5293                 return;
5294         }
5295
5296         key_insert(mod, ks, kfid, spawn_name);
5297         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5298 }
5299
5300 int
5301 setconfbinding(char *selector, char *value, int flags)
5302 {
5303         enum keyfuncid          kfid;
5304         unsigned int            mod;
5305         KeySym                  ks;
5306         struct spawn_prog       *sp;
5307         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5308         if (selector == NULL) {
5309                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5310                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5311                         kfid = KF_INVALID;
5312                         setkeybinding(mod, ks, kfid, NULL);
5313                         return (0);
5314                 } else
5315                         return (1);
5316         }
5317         /* search by key function name */
5318         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5319                 if (strncasecmp(selector, keyfuncs[kfid].name,
5320                     SWM_FUNCNAME_LEN) == 0) {
5321                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5322                             selector);
5323                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5324                                 setkeybinding(mod, ks, kfid, NULL);
5325                                 return (0);
5326                         } else
5327                                 return (1);
5328                 }
5329         }
5330         /* search by custom spawn name */
5331         TAILQ_FOREACH(sp, &spawns, entry) {
5332                 if (strcasecmp(selector, sp->name) == 0) {
5333                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5334                             selector);
5335                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5336                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5337                                     sp->name);
5338                                 return (0);
5339                         } else
5340                                 return (1);
5341                 }
5342         }
5343         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5344         return (1);
5345 }
5346
5347 void
5348 setup_keys(void)
5349 {
5350         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5353         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5354         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5355         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5356         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5358         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5359         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5360         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5361         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5362         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5365         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5366         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5367         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5368         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5369         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5370         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5371         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5372         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5373         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5374         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5375         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5376         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5377         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5378         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5379         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5380         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5381         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5382         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5383         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5384         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5385         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5386         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5387         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5388         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5389         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5390         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5391         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5392         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5393         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5394         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5395         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5396         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5397         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5398         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5399         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5400         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5401         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5402         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5403         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5404         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5405         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5406         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5407         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5408         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5409         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5410         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5411         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5414         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5415         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5416         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5417         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5420         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5421         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5422         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5423         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5424         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5425         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5426         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5427         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5428         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5429         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5430         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5431         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5432         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5433         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5434         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5435         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5436         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5437         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5438         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5439         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5440         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5441         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5442         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5443         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5444         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5445         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5446 #ifdef SWM_DEBUG
5447         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5448 #endif
5449 }
5450
5451 void
5452 clear_keys(void)
5453 {
5454         struct key              *kp;
5455
5456         while (RB_EMPTY(&keys) == 0) {
5457                 kp = RB_ROOT(&keys);
5458                 key_remove(kp);
5459         }
5460 }
5461
5462 int
5463 setkeymapping(char *selector, char *value, int flags)
5464 {
5465         char                    keymapping_file[PATH_MAX];
5466         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5467         if (value[0] == '~')
5468                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5469                     pwd->pw_dir, &value[1]);
5470         else
5471                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5472         clear_keys();
5473         /* load new key bindings; if it fails, revert to default bindings */
5474         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5475                 clear_keys();
5476                 setup_keys();
5477         }
5478         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5479         return (0);
5480 }
5481
5482 void
5483 updatenumlockmask(void)
5484 {
5485         unsigned int                            i, j;
5486         xcb_get_modifier_mapping_reply_t        *modmap_r;
5487         xcb_keycode_t                           *modmap, kc;
5488
5489         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5490         numlockmask = 0;
5491
5492         modmap_r = xcb_get_modifier_mapping_reply(conn,
5493             xcb_get_modifier_mapping(conn),
5494             NULL);
5495         if (modmap_r) {
5496                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5497                 for (i = 0; i < 8; i++) {
5498                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5499                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5500                                     + j];
5501
5502                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5503                                     XK_Num_Lock)))
5504                                         numlockmask = (1 << i);
5505                         }
5506                 }
5507                 free(modmap_r);
5508         }
5509 }
5510
5511 void
5512 grabkeys(void)
5513 {
5514         int                     num_screens, k;
5515         unsigned int            j;
5516         xcb_keycode_t           *code;
5517         unsigned int            modifiers[] =
5518             { 0, LockMask, numlockmask, numlockmask | LockMask };
5519         struct key              *kp;
5520
5521         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5522         updatenumlockmask();
5523
5524         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5525         for (k = 0; k < num_screens; k++) {
5526                 if (TAILQ_EMPTY(&screens[k].rl))
5527                         continue;
5528                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5529                         XCB_MOD_MASK_ANY);
5530                 RB_FOREACH(kp, key_tree, &keys) {
5531                         if ((code = xcb_key_symbols_get_keycode(syms,
5532                                         kp->keysym)))
5533                                 for (j = 0; j < LENGTH(modifiers); j++)
5534                                         xcb_grab_key(conn, True,
5535                                             screens[k].root,
5536                                             kp->mod | modifiers[j],
5537                                             *code, XCB_GRAB_MODE_ASYNC,
5538                                             XCB_GRAB_MODE_ASYNC);
5539                 }
5540         }
5541 }
5542
5543 void
5544 grabbuttons(struct ws_win *win, int focused)
5545 {
5546         unsigned int            i, j;
5547         unsigned int            modifiers[] =
5548             { 0, LockMask, numlockmask, numlockmask|LockMask };
5549
5550         updatenumlockmask();
5551         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5552             XCB_BUTTON_MASK_ANY);
5553         if (focused) {
5554                 for (i = 0; i < LENGTH(buttons); i++)
5555                         if (buttons[i].action == client_click)
5556                                 for (j = 0; j < LENGTH(modifiers); j++)
5557                                         xcb_grab_button(conn, False, win->id,
5558                                             BUTTONMASK,
5559                                             XCB_GRAB_MODE_ASYNC,
5560                                             XCB_GRAB_MODE_SYNC,
5561                                             XCB_WINDOW_NONE,
5562                                             XCB_CURSOR_NONE,
5563                                             buttons[i].button,
5564                                             buttons[i].mask);
5565         } else
5566                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5567                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5568                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5569 }
5570
5571 const char *quirkname[] = {
5572         "NONE",         /* config string for "no value" */
5573         "FLOAT",
5574         "TRANSSZ",
5575         "ANYWHERE",
5576         "XTERM_FONTADJ",
5577         "FULLSCREEN",
5578         "FOCUSPREV",
5579 };
5580
5581 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5582 #define SWM_Q_WS                "\n|+ \t"
5583 int
5584 parsequirks(char *qstr, unsigned long *quirk)
5585 {
5586         char                    *cp, *name;
5587         int                     i;
5588
5589         if (quirk == NULL)
5590                 return (1);
5591
5592         cp = qstr;
5593         *quirk = 0;
5594         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5595                 if (cp)
5596                         cp += (long)strspn(cp, SWM_Q_WS);
5597                 for (i = 0; i < LENGTH(quirkname); i++) {
5598                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5599                                 DNPRINTF(SWM_D_QUIRK,
5600                                     "parsequirks: %s\n", name);
5601                                 if (i == 0) {
5602                                         *quirk = 0;
5603                                         return (0);
5604                                 }
5605                                 *quirk |= 1 << (i-1);
5606                                 break;
5607                         }
5608                 }
5609                 if (i >= LENGTH(quirkname)) {
5610                         DNPRINTF(SWM_D_QUIRK,
5611                             "parsequirks: invalid quirk [%s]\n", name);
5612                         return (1);
5613                 }
5614         }
5615         return (0);
5616 }
5617
5618 void
5619 quirk_insert(const char *class, const char *name, unsigned long quirk)
5620 {
5621         struct quirk            *qp;
5622
5623         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5624             quirk);
5625
5626         if ((qp = malloc(sizeof *qp)) == NULL)
5627                 err(1, "quirk_insert: malloc");
5628         if ((qp->class = strdup(class)) == NULL)
5629                 err(1, "quirk_insert: strdup");
5630         if ((qp->name = strdup(name)) == NULL)
5631                 err(1, "quirk_insert: strdup");
5632
5633         qp->quirk = quirk;
5634         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5635
5636         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5637 }
5638
5639 void
5640 quirk_remove(struct quirk *qp)
5641 {
5642         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5643             qp->name, qp->quirk);
5644
5645         TAILQ_REMOVE(&quirks, qp, entry);
5646         free(qp->class);
5647         free(qp->name);
5648         free(qp);
5649
5650         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5651 }
5652
5653 void
5654 quirk_replace(struct quirk *qp, const char *class, const char *name,
5655     unsigned long quirk)
5656 {
5657         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5658             qp->name, qp->quirk);
5659
5660         quirk_remove(qp);
5661         quirk_insert(class, name, quirk);
5662
5663         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5664 }
5665
5666 void
5667 setquirk(const char *class, const char *name, unsigned long quirk)
5668 {
5669         struct quirk            *qp;
5670
5671         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5672            quirk);
5673
5674         TAILQ_FOREACH(qp, &quirks, entry) {
5675                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5676                         if (!quirk)
5677                                 quirk_remove(qp);
5678                         else
5679                                 quirk_replace(qp, class, name, quirk);
5680                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5681                         return;
5682                 }
5683         }
5684         if (!quirk) {
5685                 warnx("error: setquirk: cannot find class/name combination");
5686                 return;
5687         }
5688
5689         quirk_insert(class, name, quirk);
5690         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5691 }
5692
5693 int
5694 setconfquirk(char *selector, char *value, int flags)
5695 {
5696         char                    *cp, *class, *name;
5697         int                     retval;
5698         unsigned long           quirks;
5699         if (selector == NULL)
5700                 return (0);
5701         if ((cp = strchr(selector, ':')) == NULL)
5702                 return (0);
5703         *cp = '\0';
5704         class = selector;
5705         name = cp + 1;
5706         if ((retval = parsequirks(value, &quirks)) == 0)
5707                 setquirk(class, name, quirks);
5708         return (retval);
5709 }
5710
5711 void
5712 setup_quirks(void)
5713 {
5714         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5715         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5716         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5717         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5718         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5719         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5720         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5721         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5722         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5723         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5724         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5725         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5726         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5727 }
5728
5729 /* conf file stuff */
5730 #define SWM_CONF_FILE           "spectrwm.conf"
5731 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5732
5733 enum {
5734         SWM_S_BAR_ACTION,
5735         SWM_S_BAR_AT_BOTTOM,
5736         SWM_S_BAR_BORDER_WIDTH,
5737         SWM_S_BAR_DELAY,
5738         SWM_S_BAR_ENABLED,
5739         SWM_S_BAR_FONT,
5740         SWM_S_BAR_FORMAT,
5741         SWM_S_BAR_JUSTIFY,
5742         SWM_S_BORDER_WIDTH,
5743         SWM_S_CLOCK_ENABLED,
5744         SWM_S_CLOCK_FORMAT,
5745         SWM_S_CYCLE_EMPTY,
5746         SWM_S_CYCLE_VISIBLE,
5747         SWM_S_DIALOG_RATIO,
5748         SWM_S_DISABLE_BORDER,
5749         SWM_S_FOCUS_CLOSE,
5750         SWM_S_FOCUS_CLOSE_WRAP,
5751         SWM_S_FOCUS_DEFAULT,
5752         SWM_S_FOCUS_MODE,
5753         SWM_S_SPAWN_ORDER,
5754         SWM_S_SPAWN_TERM,
5755         SWM_S_SS_APP,
5756         SWM_S_SS_ENABLED,
5757         SWM_S_STACK_ENABLED,
5758         SWM_S_TERM_WIDTH,
5759         SWM_S_TITLE_CLASS_ENABLED,
5760         SWM_S_TITLE_NAME_ENABLED,
5761         SWM_S_URGENT_ENABLED,
5762         SWM_S_VERBOSE_LAYOUT,
5763         SWM_S_WINDOW_NAME_ENABLED,
5764         SWM_S_WORKSPACE_LIMIT
5765 };
5766
5767 int
5768 setconfvalue(char *selector, char *value, int flags)
5769 {
5770         int     i;
5771         char    *b;
5772
5773         switch (flags) {
5774         case SWM_S_BAR_ACTION:
5775                 free(bar_argv[0]);
5776                 if ((bar_argv[0] = strdup(value)) == NULL)
5777                         err(1, "setconfvalue: bar_action");
5778                 break;
5779         case SWM_S_BAR_AT_BOTTOM:
5780                 bar_at_bottom = atoi(value);
5781                 break;
5782         case SWM_S_BAR_BORDER_WIDTH:
5783                 bar_border_width = atoi(value);
5784                 if (bar_border_width < 0)
5785                         bar_border_width = 0;
5786                 break;
5787         case SWM_S_BAR_DELAY:
5788                 bar_delay = atoi(value);
5789                 break;
5790         case SWM_S_BAR_ENABLED:
5791                 bar_enabled = atoi(value);
5792                 break;
5793         case SWM_S_BAR_FONT:
5794                 b = bar_fonts;
5795                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5796                         err(1, "setconfvalue: asprintf: failed to allocate "
5797                                 "memory for bar_fonts.");
5798                 free(b);
5799                 break;
5800         case SWM_S_BAR_FORMAT:
5801                 free(bar_format);
5802                 if ((bar_format = strdup(value)) == NULL)
5803                         err(1, "setconfvalue: bar_format");
5804                 break;
5805         case SWM_S_BAR_JUSTIFY:
5806                 if (!strcmp(value, "left"))
5807                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5808                 else if (!strcmp(value, "center"))
5809                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5810                 else if (!strcmp(value, "right"))
5811                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5812                 else
5813                         errx(1, "invalid bar_justify");
5814                 break;
5815         case SWM_S_BORDER_WIDTH:
5816                 border_width = atoi(value);
5817                 if (border_width < 0)
5818                         border_width = 0;
5819                 break;
5820         case SWM_S_CLOCK_ENABLED:
5821                 clock_enabled = atoi(value);
5822                 break;
5823         case SWM_S_CLOCK_FORMAT:
5824 #ifndef SWM_DENY_CLOCK_FORMAT
5825                 free(clock_format);
5826                 if ((clock_format = strdup(value)) == NULL)
5827                         err(1, "setconfvalue: clock_format");
5828 #endif
5829                 break;
5830         case SWM_S_CYCLE_EMPTY:
5831                 cycle_empty = atoi(value);
5832                 break;
5833         case SWM_S_CYCLE_VISIBLE:
5834                 cycle_visible = atoi(value);
5835                 break;
5836         case SWM_S_DIALOG_RATIO:
5837                 dialog_ratio = atof(value);
5838                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5839                         dialog_ratio = .6;
5840                 break;
5841         case SWM_S_DISABLE_BORDER:
5842                 disable_border = atoi(value);
5843                 break;
5844         case SWM_S_FOCUS_CLOSE:
5845                 if (!strcmp(value, "first"))
5846                         focus_close = SWM_STACK_BOTTOM;
5847                 else if (!strcmp(value, "last"))
5848                         focus_close = SWM_STACK_TOP;
5849                 else if (!strcmp(value, "next"))
5850                         focus_close = SWM_STACK_ABOVE;
5851                 else if (!strcmp(value, "previous"))
5852                         focus_close = SWM_STACK_BELOW;
5853                 else
5854                         errx(1, "focus_close");
5855                 break;
5856         case SWM_S_FOCUS_CLOSE_WRAP:
5857                 focus_close_wrap = atoi(value);
5858                 break;
5859         case SWM_S_FOCUS_DEFAULT:
5860                 if (!strcmp(value, "last"))
5861                         focus_default = SWM_STACK_TOP;
5862                 else if (!strcmp(value, "first"))
5863                         focus_default = SWM_STACK_BOTTOM;
5864                 else
5865                         errx(1, "focus_default");
5866                 break;
5867         case SWM_S_FOCUS_MODE:
5868                 if (!strcmp(value, "default"))
5869                         focus_mode = SWM_FOCUS_DEFAULT;
5870                 else if (!strcmp(value, "follow_cursor"))
5871                         focus_mode = SWM_FOCUS_FOLLOW;
5872                 else if (!strcmp(value, "synergy"))
5873                         focus_mode = SWM_FOCUS_SYNERGY;
5874                 else
5875                         errx(1, "focus_mode");
5876                 break;
5877         case SWM_S_SPAWN_ORDER:
5878                 if (!strcmp(value, "first"))
5879                         spawn_position = SWM_STACK_BOTTOM;
5880                 else if (!strcmp(value, "last"))
5881                         spawn_position = SWM_STACK_TOP;
5882                 else if (!strcmp(value, "next"))
5883                         spawn_position = SWM_STACK_ABOVE;
5884                 else if (!strcmp(value, "previous"))
5885                         spawn_position = SWM_STACK_BELOW;
5886                 else
5887                         errx(1, "spawn_position");
5888                 break;
5889         case SWM_S_SPAWN_TERM:
5890                 setconfspawn("term", value, 0);
5891                 setconfspawn("spawn_term", value, 0);
5892                 break;
5893         case SWM_S_SS_APP:
5894                 break;
5895         case SWM_S_SS_ENABLED:
5896                 ss_enabled = atoi(value);
5897                 break;
5898         case SWM_S_STACK_ENABLED:
5899                 stack_enabled = atoi(value);
5900                 break;
5901         case SWM_S_TERM_WIDTH:
5902                 term_width = atoi(value);
5903                 if (term_width < 0)
5904                         term_width = 0;
5905                 break;
5906         case SWM_S_TITLE_CLASS_ENABLED:
5907                 title_class_enabled = atoi(value);
5908                 break;
5909         case SWM_S_TITLE_NAME_ENABLED:
5910                 title_name_enabled = atoi(value);
5911                 break;
5912         case SWM_S_URGENT_ENABLED:
5913                 urgent_enabled = atoi(value);
5914                 break;
5915         case SWM_S_VERBOSE_LAYOUT:
5916                 verbose_layout = atoi(value);
5917                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5918                         if (verbose_layout)
5919                                 layouts[i].l_string = fancy_stacker;
5920                         else
5921                                 layouts[i].l_string = plain_stacker;
5922                 }
5923                 break;
5924         case SWM_S_WINDOW_NAME_ENABLED:
5925                 window_name_enabled = atoi(value);
5926                 break;
5927         case SWM_S_WORKSPACE_LIMIT:
5928                 workspace_limit = atoi(value);
5929                 if (workspace_limit > SWM_WS_MAX)
5930                         workspace_limit = SWM_WS_MAX;
5931                 else if (workspace_limit < 1)
5932                         workspace_limit = 1;
5933                 break;
5934         default:
5935                 return (1);
5936         }
5937         return (0);
5938 }
5939
5940 int
5941 setconfmodkey(char *selector, char *value, int flags)
5942 {
5943         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5944                 update_modkey(Mod1Mask);
5945         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5946                 update_modkey(Mod2Mask);
5947         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5948                 update_modkey(Mod3Mask);
5949         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5950                 update_modkey(Mod4Mask);
5951         else
5952                 return (1);
5953         return (0);
5954 }
5955
5956 int
5957 setconfcolor(char *selector, char *value, int flags)
5958 {
5959         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5960         return (0);
5961 }
5962
5963 int
5964 setconfregion(char *selector, char *value, int flags)
5965 {
5966         custom_region(value);
5967         return (0);
5968 }
5969
5970 int
5971 setautorun(char *selector, char *value, int flags)
5972 {
5973         int                     ws_id;
5974         char                    s[1024];
5975         char                    *ap, *sp = s;
5976         union arg               a;
5977         int                     argc = 0;
5978         pid_t                   pid;
5979         struct pid_e            *p;
5980
5981         if (getenv("SWM_STARTED"))
5982                 return (0);
5983
5984         bzero(s, sizeof s);
5985         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5986                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5987         ws_id--;
5988         if (ws_id < 0 || ws_id >= workspace_limit)
5989                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5990
5991         /*
5992          * This is a little intricate
5993          *
5994          * If the pid already exists we simply reuse it because it means it was
5995          * used before AND not claimed by manage_window.  We get away with
5996          * altering it in the parent after INSERT because this can not be a race
5997          */
5998         a.argv = NULL;
5999         while ((ap = strsep(&sp, " \t")) != NULL) {
6000                 if (*ap == '\0')
6001                         continue;
6002                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6003                 argc++;
6004                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6005                         err(1, "setautorun: realloc");
6006                 a.argv[argc - 1] = ap;
6007         }
6008
6009         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6010                 err(1, "setautorun: realloc");
6011         a.argv[argc] = NULL;
6012
6013         if ((pid = fork()) == 0) {
6014                 spawn(ws_id, &a, 1);
6015                 /* NOTREACHED */
6016                 _exit(1);
6017         }
6018         free(a.argv);
6019
6020         /* parent */
6021         p = find_pid(pid);
6022         if (p == NULL) {
6023                 p = calloc(1, sizeof *p);
6024                 if (p == NULL)
6025                         return (1);
6026                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6027         }
6028
6029         p->pid = pid;
6030         p->ws = ws_id;
6031
6032         return (0);
6033 }
6034
6035 int
6036 setlayout(char *selector, char *value, int flags)
6037 {
6038         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6039         int                     st = SWM_V_STACK, num_screens;
6040         char                    s[1024];
6041         struct workspace        *ws;
6042
6043         if (getenv("SWM_STARTED"))
6044                 return (0);
6045
6046         bzero(s, sizeof s);
6047         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6048             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6049                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6050                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6051                     "<type>'");
6052         ws_id--;
6053         if (ws_id < 0 || ws_id >= workspace_limit)
6054                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6055
6056         if (!strcasecmp(s, "vertical"))
6057                 st = SWM_V_STACK;
6058         else if (!strcasecmp(s, "vertical_flip")) {
6059                 st = SWM_V_STACK;
6060                 f = 1;
6061         } else if (!strcasecmp(s, "horizontal"))
6062                 st = SWM_H_STACK;
6063         else if (!strcasecmp(s, "horizontal_flip")) {
6064                 st = SWM_H_STACK;
6065                 f = 1;
6066         } else if (!strcasecmp(s, "fullscreen"))
6067                 st = SWM_MAX_STACK;
6068         else
6069                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6070                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6071                     "<type>'");
6072
6073         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6074         for (i = 0; i < num_screens; i++) {
6075                 ws = (struct workspace *)&screens[i].ws;
6076                 ws[ws_id].cur_layout = &layouts[st];
6077
6078                 ws[ws_id].always_raise = raise;
6079                 if (st == SWM_MAX_STACK)
6080                         continue;
6081
6082                 /* master grow */
6083                 for (x = 0; x < abs(mg); x++) {
6084                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6085                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6086                             SWM_ARG_ID_MASTERSHRINK);
6087                         stack();
6088                 }
6089                 /* master add */
6090                 for (x = 0; x < abs(ma); x++) {
6091                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6092                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6093                             SWM_ARG_ID_MASTERDEL);
6094                         stack();
6095                 }
6096                 /* stack inc */
6097                 for (x = 0; x < abs(si); x++) {
6098                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6099                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6100                             SWM_ARG_ID_STACKDEC);
6101                         stack();
6102                 }
6103                 /* Apply flip */
6104                 if (f) {
6105                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6106                             SWM_ARG_ID_FLIPLAYOUT);
6107                         stack();
6108                 }
6109         }
6110
6111         return (0);
6112 }
6113
6114 /* config options */
6115 struct config_option {
6116         char                    *optname;
6117         int                     (*func)(char*, char*, int);
6118         int                     funcflags;
6119 };
6120 struct config_option configopt[] = {
6121         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6122         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6123         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6124         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6125         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6126         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6127         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6128         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6129         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6130         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6131         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6132         { "keyboard_mapping",           setkeymapping,  0 },
6133         { "bind",                       setconfbinding, 0 },
6134         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6135         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6136         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6137         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6138         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6139         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6140         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6141         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6142         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6143         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6144         { "modkey",                     setconfmodkey,  0 },
6145         { "program",                    setconfspawn,   0 },
6146         { "quirk",                      setconfquirk,   0 },
6147         { "region",                     setconfregion,  0 },
6148         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6149         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6150         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6151         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6152         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6153         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6154         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6155         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6156         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6157         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6158         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6159         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6160         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6161         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6162         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6163         { "autorun",                    setautorun,     0 },
6164         { "layout",                     setlayout,      0 },
6165 };
6166
6167
6168 int
6169 conf_load(char *filename, int keymapping)
6170 {
6171         FILE                    *config;
6172         char                    *line, *cp, *optsub, *optval;
6173         size_t                  linelen, lineno = 0;
6174         int                     wordlen, i, optind;
6175         struct config_option    *opt;
6176
6177         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6178
6179         if (filename == NULL) {
6180                 warnx("conf_load: no filename");
6181                 return (1);
6182         }
6183         if ((config = fopen(filename, "r")) == NULL) {
6184                 warn("conf_load: fopen: %s", filename);
6185                 return (1);
6186         }
6187
6188         while (!feof(config)) {
6189                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6190                     == NULL) {
6191                         if (ferror(config))
6192                                 err(1, "%s", filename);
6193                         else
6194                                 continue;
6195                 }
6196                 cp = line;
6197                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6198                 if (cp[0] == '\0') {
6199                         /* empty line */
6200                         free(line);
6201                         continue;
6202                 }
6203                 /* get config option */
6204                 wordlen = strcspn(cp, "=[ \t\n");
6205                 if (wordlen == 0) {
6206                         warnx("%s: line %zd: no option found",
6207                             filename, lineno);
6208                         goto out;
6209                 }
6210                 optind = -1;
6211                 for (i = 0; i < LENGTH(configopt); i++) {
6212                         opt = &configopt[i];
6213                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6214                             (int)strlen(opt->optname) == wordlen) {
6215                                 optind = i;
6216                                 break;
6217                         }
6218                 }
6219                 if (optind == -1) {
6220                         warnx("%s: line %zd: unknown option %.*s",
6221                             filename, lineno, wordlen, cp);
6222                         goto out;
6223                 }
6224                 if (keymapping && strcmp(opt->optname, "bind")) {
6225                         warnx("%s: line %zd: invalid option %.*s",
6226                             filename, lineno, wordlen, cp);
6227                         goto out;
6228                 }
6229                 cp += wordlen;
6230                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6231                 /* get [selector] if any */
6232                 optsub = NULL;
6233                 if (*cp == '[') {
6234                         cp++;
6235                         wordlen = strcspn(cp, "]");
6236                         if (*cp != ']') {
6237                                 if (wordlen == 0) {
6238                                         warnx("%s: line %zd: syntax error",
6239                                             filename, lineno);
6240                                         goto out;
6241                                 }
6242
6243                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6244                                     -1) {
6245                                         warnx("%s: line %zd: unable to allocate"
6246                                             "memory for selector", filename,
6247                                             lineno);
6248                                         goto out;
6249                                 }
6250                         }
6251                         cp += wordlen;
6252                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6253                 }
6254                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6255                 /* get RHS value */
6256                 optval = strdup(cp);
6257                 /* call function to deal with it all */
6258                 if (configopt[optind].func(optsub, optval,
6259                     configopt[optind].funcflags) != 0)
6260                         errx(1, "%s: line %zd: invalid data for %s",
6261                             filename, lineno, configopt[optind].optname);
6262                 free(optval);
6263                 free(optsub);
6264                 free(line);
6265         }
6266
6267         fclose(config);
6268         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6269
6270         return (0);
6271
6272 out:
6273         free(line);
6274         fclose(config);
6275         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6276
6277         return (1);
6278 }
6279
6280 void
6281 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6282 {
6283         struct ws_win           *parent, *w;
6284         struct swm_region       *r;
6285         struct workspace        *ws;
6286         xcb_icccm_wm_hints_t    wmh;
6287
6288         parent = find_window(win->transient);
6289         if (parent)
6290                 parent->child_trans = win;
6291         else {
6292                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6293                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6294
6295                 r = root_to_region(win->wa->root);
6296                 ws = r->ws;
6297                 /* parent doen't exist in our window list */
6298                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6299                         if (xcb_icccm_get_wm_hints_reply(conn,
6300                             xcb_icccm_get_wm_hints(conn, w->id),
6301                             &wmh, NULL) != 1) {
6302                                 warnx("can't get hints for 0x%x", w->id);
6303                                 continue;
6304                         }
6305
6306                         if (win->hints.window_group != wmh.window_group)
6307                                 continue;
6308
6309                         w->child_trans = win;
6310                         win->transient = w->id;
6311                         *trans = w->id;
6312                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6313                             "transient to 0x%x\n", win->transient);
6314                         break;
6315                 }
6316         }
6317 }
6318
6319 pid_t
6320 window_get_pid(xcb_window_t win)
6321 {
6322         pid_t                           ret = 0;
6323         const char                      *errstr;
6324         xcb_atom_t                      apid;
6325         xcb_get_property_cookie_t       pc;
6326         xcb_get_property_reply_t        *pr;
6327
6328         apid = get_atom_from_string("_NET_WM_PID");
6329         if (apid == XCB_ATOM_NONE)
6330                 goto tryharder;
6331
6332         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6333         pr = xcb_get_property_reply(conn, pc, NULL);
6334         if (!pr)
6335                 goto tryharder;
6336         if (pr->type != XCB_ATOM_CARDINAL) {
6337                 free(pr);
6338                 goto tryharder;
6339         }
6340
6341         ret = *((pid_t *)xcb_get_property_value(pr));
6342         free(pr);
6343
6344         return (ret);
6345
6346 tryharder:
6347         apid = get_atom_from_string("_SWM_PID");
6348         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6349             0, SWM_PROPLEN);
6350         pr = xcb_get_property_reply(conn, pc, NULL);
6351         if (!pr)
6352                 return (0);
6353         if (pr->type != XCB_ATOM_STRING) {
6354                 free(pr);
6355                 return (0);
6356         }
6357
6358         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6359         free(pr);
6360
6361         return (ret);
6362 }
6363
6364 struct ws_win *
6365 manage_window(xcb_window_t id)
6366 {
6367         xcb_window_t            trans = XCB_WINDOW_NONE;
6368         struct workspace        *ws;
6369         struct ws_win           *win, *ww;
6370         int                     ws_idx, border_me = 0;
6371         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6372         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6373         size_t                  proplen;
6374         struct swm_region       *r;
6375         const char              *errstr;
6376         struct pid_e            *p;
6377         struct quirk            *qp;
6378         uint32_t                event_mask, i;
6379         xcb_atom_t              prot;
6380         xcb_get_property_reply_t        *gpr;
6381         xcb_icccm_get_wm_protocols_reply_t      wpr;
6382
6383         if ((win = find_window(id)) != NULL)
6384                 return (win);   /* already being managed */
6385
6386         /* see if we are on the unmanaged list */
6387         if ((win = find_unmanaged_window(id)) != NULL) {
6388                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6389                     "window: 0x%x\n", win->id);
6390                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6391                 if (win->transient)
6392                         set_child_transient(win, &trans);
6393
6394                 if (trans && (ww = find_window(trans)))
6395                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6396                 else if ((ww = win->ws->focus) &&
6397                     spawn_position == SWM_STACK_ABOVE)
6398                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6399                             win, entry);
6400                 else if (ww && spawn_position == SWM_STACK_BELOW)
6401                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6402                 else switch (spawn_position) {
6403                 default:
6404                 case SWM_STACK_TOP:
6405                 case SWM_STACK_ABOVE:
6406                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6407                         break;
6408                 case SWM_STACK_BOTTOM:
6409                 case SWM_STACK_BELOW:
6410                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6411                 }
6412
6413                 ewmh_update_actions(win);
6414                 return (win);
6415         }
6416
6417         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6418                 err(1, "manage_window: calloc: failed to allocate memory for "
6419                     "new window");
6420
6421         win->id = id;
6422         win->bordered = 0;
6423
6424         /* see if we need to override the workspace */
6425         p = find_pid(window_get_pid(id));
6426
6427         /* Get all the window data in one shot */
6428         ws_idx_atom = get_atom_from_string("_SWM_WS");
6429         if (ws_idx_atom) {
6430                 gpr = xcb_get_property_reply(conn,
6431                         xcb_get_property(conn, False, id, ws_idx_atom,
6432                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6433                         NULL);
6434                 if (gpr) {
6435                         proplen = xcb_get_property_value_length(gpr);
6436                         if (proplen > 0) {
6437                                 prop = malloc(proplen + 1);
6438                                 if (prop) {
6439                                         memcpy(prop,
6440                                             xcb_get_property_value(gpr),
6441                                             proplen);
6442                                         prop[proplen] = '\0';
6443                                 }
6444                         }
6445                         free(gpr);
6446                 }
6447         }
6448         win->wa = xcb_get_geometry_reply(conn,
6449             xcb_get_geometry(conn, id),
6450             NULL);
6451         xcb_icccm_get_wm_normal_hints_reply(conn,
6452             xcb_icccm_get_wm_normal_hints(conn, id),
6453             &win->sh, NULL);
6454         xcb_icccm_get_wm_hints_reply(conn,
6455             xcb_icccm_get_wm_hints(conn, id),
6456             &win->hints, NULL);
6457         xcb_icccm_get_wm_transient_for_reply(conn,
6458             xcb_icccm_get_wm_transient_for(conn, id),
6459             &trans, NULL);
6460         if (trans) {
6461                 win->transient = trans;
6462                 set_child_transient(win, &trans);
6463                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6464                     "transient: 0x%x\n", win->id, win->transient);
6465         }
6466
6467         prot = get_atom_from_string("WM_PROTOCOLS");
6468
6469         /* get supported protocols */
6470         if (xcb_icccm_get_wm_protocols_reply(conn,
6471             xcb_icccm_get_wm_protocols(conn, id, prot),
6472             &wpr, NULL)) {
6473                 for (i = 0; i < wpr.atoms_len; i++) {
6474                         if (wpr.atoms[i] == a_takefocus)
6475                                 win->take_focus = 1;
6476                         if (wpr.atoms[i] == a_delete)
6477                                 win->can_delete = 1;
6478                 }
6479                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6480         }
6481
6482         win->iconic = get_iconic(win);
6483
6484         /*
6485          * Figure out where to put the window. If it was previously assigned to
6486          * a workspace (either by spawn() or manually moving), and isn't
6487          * transient, * put it in the same workspace
6488          */
6489         r = root_to_region(win->wa->root);
6490         if (p) {
6491                 ws = &r->s->ws[p->ws];
6492                 TAILQ_REMOVE(&pidlist, p, entry);
6493                 free(p);
6494                 p = NULL;
6495         } else if (prop && win->transient == 0) {
6496                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6497                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1,
6498                     &errstr);
6499                 if (errstr) {
6500                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6501                             errstr, prop);
6502                 }
6503                 ws = &r->s->ws[ws_idx];
6504         } else {
6505                 ws = r->ws;
6506                 /* this should launch transients in the same ws as parent */
6507                 if (id && trans)
6508                         if ((ww = find_window(trans)) != NULL)
6509                                 if (ws->r) {
6510                                         ws = ww->ws;
6511                                         if (ww->ws->r)
6512                                                 r = ww->ws->r;
6513                                         else
6514                                                 warnx("manage_window: fix this "
6515                                                     "bug mcbride");
6516                                         border_me = 1;
6517                                 }
6518         }
6519
6520         /* set up the window layout */
6521         win->id = id;
6522         win->ws = ws;
6523         win->s = r->s;  /* this never changes */
6524         if (trans && (ww = find_window(trans)))
6525                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6526         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6527                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6528                     entry);
6529         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6530                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6531         else switch (spawn_position) {
6532         default:
6533         case SWM_STACK_TOP:
6534         case SWM_STACK_ABOVE:
6535                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6536                 break;
6537         case SWM_STACK_BOTTOM:
6538         case SWM_STACK_BELOW:
6539                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6540         }
6541
6542         /* ignore window border if there is one. */
6543         WIDTH(win) = win->wa->width;
6544         HEIGHT(win) = win->wa->height;
6545         X(win) = win->wa->x + win->wa->border_width;
6546         Y(win) = win->wa->y + win->wa->border_width;
6547         win->bordered = 0;
6548         win->g_floatvalid = 0;
6549         win->floatmaxed = 0;
6550         win->ewmh_flags = 0;
6551
6552         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6553             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6554             HEIGHT(win), ws->idx);
6555
6556         constrain_window(win, r, 0);
6557
6558         /* Set window properties so we can remember this after reincarnation */
6559         if (ws_idx_atom && prop == NULL &&
6560             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6561                 SWM_PROPLEN) {
6562                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6563                     ws_idx_str);
6564                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6565                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6566                     ws_idx_str);
6567         }
6568         if (prop)
6569                 free(prop);
6570
6571         ewmh_autoquirk(win);
6572
6573         if (xcb_icccm_get_wm_class_reply(conn,
6574             xcb_icccm_get_wm_class(conn, win->id),
6575             &win->ch, NULL)) {
6576                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6577                     win->ch.class_name, win->ch.instance_name);
6578
6579                 /* java is retarded so treat it special */
6580                 if (strstr(win->ch.instance_name, "sun-awt")) {
6581                         win->java = 1;
6582                         border_me = 1;
6583                 }
6584
6585                 TAILQ_FOREACH(qp, &quirks, entry) {
6586                         if (!strcmp(win->ch.class_name, qp->class) &&
6587                             !strcmp(win->ch.instance_name, qp->name)) {
6588                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6589                                     "class: %s, name: %s\n", win->ch.class_name,
6590                                     win->ch.instance_name);
6591                                 if (qp->quirk & SWM_Q_FLOAT) {
6592                                         win->floating = 1;
6593                                         border_me = 1;
6594                                 }
6595                                 win->quirks = qp->quirk;
6596                         }
6597                 }
6598         }
6599
6600         /* alter window position if quirky */
6601         if (win->quirks & SWM_Q_ANYWHERE) {
6602                 win->manual = 1; /* don't center the quirky windows */
6603                 if (bar_enabled && Y(win) < bar_height)
6604                         Y(win) = bar_height;
6605                 if (WIDTH(win) + X(win) > WIDTH(r))
6606                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6607                 border_me = 1;
6608         }
6609
6610         /* Reset font sizes (the bruteforce way; no default keybinding). */
6611         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6612                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6613                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6614                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6615                         fake_keypress(win, XK_KP_Add, ShiftMask);
6616         }
6617
6618         ewmh_get_win_state(win);
6619         ewmh_update_actions(win);
6620         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6621
6622         /* border me */
6623         if (border_me) {
6624                 win->bordered = 1;
6625                 X(win) -= border_width;
6626                 Y(win) -= border_width;
6627                 update_window(win);
6628         }
6629
6630         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6631             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6632
6633         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6634
6635         /* floaters need to be mapped if they are in the current workspace */
6636         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6637                 map_window_raised(win->id);
6638
6639         return (win);
6640 }
6641
6642 void
6643 free_window(struct ws_win *win)
6644 {
6645         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6646
6647         if (win == NULL)
6648                 return;
6649
6650         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6651
6652         if (win->wa)
6653                 free(win->wa);
6654
6655         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6656
6657         kill_refs(win);
6658
6659         /* paint memory */
6660         memset(win, 0xff, sizeof *win); /* XXX kill later */
6661
6662         free(win);
6663         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6664 }
6665
6666 void
6667 unmanage_window(struct ws_win *win)
6668 {
6669         struct ws_win           *parent;
6670         xcb_screen_t            *screen;
6671
6672         if (win == NULL)
6673                 return;
6674
6675         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6676
6677         if (win->transient) {
6678                 parent = find_window(win->transient);
6679                 if (parent)
6680                         parent->child_trans = NULL;
6681         }
6682
6683         /* focus on root just in case */
6684         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6685         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6686             screen->root, XCB_CURRENT_TIME);
6687
6688         focus_prev(win);
6689
6690         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6691         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6692 }
6693
6694 void
6695 focus_magic(struct ws_win *win)
6696 {
6697         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6698
6699         if (win == NULL) {
6700                 /* if there are no windows clear the status-bar */
6701                 bar_update();
6702                 return;
6703         }
6704
6705         if (win->child_trans) {
6706                 /* win = parent & has a transient so focus on that */
6707                 if (win->java) {
6708                         focus_win(win->child_trans);
6709                         if (win->child_trans->take_focus)
6710                                 client_msg(win, a_takefocus);
6711                 } else {
6712                         /* make sure transient hasn't disappeared */
6713                         if (validate_win(win->child_trans) == 0) {
6714                                 focus_win(win->child_trans);
6715                                 if (win->child_trans->take_focus)
6716                                         client_msg(win->child_trans,
6717                                             a_takefocus);
6718                         } else {
6719                                 win->child_trans = NULL;
6720                                 focus_win(win);
6721                                 if (win->take_focus)
6722                                         client_msg(win, a_takefocus);
6723                         }
6724                 }
6725         } else {
6726                 /* regular focus */
6727                 focus_win(win);
6728                 if (win->take_focus)
6729                         client_msg(win, a_takefocus);
6730         }
6731 }
6732
6733 void
6734 expose(xcb_expose_event_t *e)
6735 {
6736         int                     i, num_screens;
6737         struct swm_region       *r;
6738
6739         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6740
6741         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6742         for (i = 0; i < num_screens; i++)
6743                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6744                         if (e->window == WINID(r->bar))
6745                                 bar_update();
6746
6747         xcb_flush(conn);
6748 }
6749
6750 void
6751 keypress(xcb_key_press_event_t *e)
6752 {
6753         xcb_keysym_t            keysym;
6754         struct key              *kp;
6755
6756         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
6757
6758         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
6759
6760         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6761                 return;
6762
6763         if (kp->funcid == KF_SPAWN_CUSTOM)
6764                 spawn_custom(root_to_region(e->root),
6765                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6766         else if (keyfuncs[kp->funcid].func)
6767                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6768                     &(keyfuncs[kp->funcid].args));
6769 }
6770
6771 void
6772 buttonpress(xcb_button_press_event_t *e)
6773 {
6774         struct ws_win           *win;
6775         int                     i;
6776         unsigned int            action;
6777
6778         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6779             e->event, e->detail);
6780
6781         if ((win = find_window(e->event)) == NULL)
6782                 return;
6783
6784         focus_magic(win);
6785         action = client_click;
6786
6787         for (i = 0; i < LENGTH(buttons); i++)
6788                 if (action == buttons[i].action && buttons[i].func &&
6789                     buttons[i].button == e->detail &&
6790                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6791                         buttons[i].func(win, &buttons[i].args);
6792
6793         xcb_flush(conn);
6794 }
6795
6796 #ifdef SWM_DEBUG
6797 void
6798 print_win_geom(xcb_window_t w)
6799 {
6800         xcb_get_geometry_reply_t        *wa;
6801
6802
6803         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
6804
6805         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
6806             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
6807             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
6808             wa->border_width);
6809
6810         free(wa);
6811 }
6812 #endif
6813
6814 void
6815 configurerequest(xcb_configure_request_event_t *e)
6816 {
6817         struct ws_win           *win;
6818         int                     new = 0, i = 0;
6819         uint16_t                mask = 0;
6820         uint32_t                wc[7] = {0};
6821
6822         if ((win = find_window(e->window)) == NULL)
6823                 if ((win = find_unmanaged_window(e->window)) == NULL)
6824                         new = 1;
6825 #ifdef SWM_DEBUG
6826         print_win_geom(e->window);
6827 #endif
6828         if (new) {
6829                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6830                     "value_mask: 0x%x", e->window, e->value_mask);
6831                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6832                         mask |= XCB_CONFIG_WINDOW_X;
6833                         wc[i++] = e->x;
6834                         DPRINTF(", X: %d", e->x);
6835                 }
6836                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6837                         mask |= XCB_CONFIG_WINDOW_Y;
6838                         wc[i++] = e->y;
6839                         DPRINTF(", Y: %d", e->y);
6840                 }
6841                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6842                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6843                         wc[i++] = e->width;
6844                         DPRINTF(", W: %u", e->width);
6845                 }
6846                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6847                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6848                         wc[i++] = e->height;
6849                         DPRINTF(", H: %u", e->height);
6850                 }
6851                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6852                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6853                         wc[i++] = e->border_width;
6854                         DPRINTF(", Border: %u", e->border_width);
6855                 }
6856                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6857                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6858                         wc[i++] = e->sibling;
6859                         DPRINTF(", Sibling: 0x%x", e->sibling);
6860                 }
6861                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6862                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6863                         wc[i++] = e->stack_mode;
6864                         DPRINTF(", StackMode: %u", e->stack_mode);
6865                 }
6866
6867                 if (mask != 0)
6868                         xcb_configure_window(conn, e->window, mask, wc);
6869
6870                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
6871         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6872             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6873                 win->g_float.x = e->x - X(win->ws->r);
6874                 win->g_float.y = e->y - Y(win->ws->r);
6875                 win->g_float.w = e->width;
6876                 win->g_float.h = e->height;
6877                 win->g_floatvalid = 1;
6878
6879                 if (win->floating) {
6880                         win->g = win->g_float;
6881                         win->g.x += X(win->ws->r);
6882                         win->g.y += Y(win->ws->r);
6883                         update_window(win);
6884                 } else {
6885                         config_win(win, e);
6886                 }
6887         } else {
6888                 config_win(win, e);
6889         }
6890
6891         xcb_flush(conn);
6892 }
6893
6894 void
6895 configurenotify(xcb_configure_notify_event_t *e)
6896 {
6897         struct ws_win           *win;
6898
6899         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6900             e->window);
6901
6902         win = find_window(e->window);
6903         if (win) {
6904                 xcb_icccm_get_wm_normal_hints_reply(conn,
6905                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6906                     &win->sh, NULL);
6907                 adjust_font(win);
6908                 if (font_adjusted)
6909                         stack();
6910         }
6911 }
6912
6913 void
6914 destroynotify(xcb_destroy_notify_event_t *e)
6915 {
6916         struct ws_win           *win;
6917
6918         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6919
6920         if ((win = find_window(e->window)) == NULL) {
6921                 if ((win = find_unmanaged_window(e->window)) == NULL)
6922                         return;
6923                 free_window(win);
6924                 return;
6925         }
6926
6927         /* make sure we focus on something */
6928         win->floating = 0;
6929
6930         unmanage_window(win);
6931         stack();
6932         free_window(win);
6933 }
6934
6935 void
6936 enternotify(xcb_enter_notify_event_t *e)
6937 {
6938         struct ws_win           *win;
6939         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6940             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6941             "state: %d\n", e->event, e->mode, e->detail, e->root,
6942             e->child, YESNO(e->same_screen_focus), e->state);
6943
6944         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6945                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6946                     "cursor grab.\n");
6947                 return;
6948         }
6949
6950         switch (focus_mode) {
6951         case SWM_FOCUS_DEFAULT:
6952                 break;
6953         case SWM_FOCUS_FOLLOW:
6954                 break;
6955         case SWM_FOCUS_SYNERGY:
6956                 break;
6957         }
6958
6959         if ((win = find_window(e->event)) == NULL) {
6960                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6961                 return;
6962         }
6963
6964         focus_magic(win);
6965
6966         xcb_flush(conn);
6967 }
6968
6969 /* lets us use one switch statement for arbitrary mode/detail combinations */
6970 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6971
6972 void
6973 mapnotify(xcb_map_notify_event_t *e)
6974 {
6975         struct ws_win           *win;
6976
6977         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6978
6979         win = manage_window(e->window);
6980         if (win)
6981                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6982
6983         /*
6984          * focus_win can only set input focus on a mapped window.
6985          * make sure the window really has focus since it is just being mapped.
6986          */
6987         if (win->ws->focus == win)
6988                 focus_win(win);
6989 }
6990
6991 void
6992 mappingnotify(xcb_mapping_notify_event_t *e)
6993 {
6994         xcb_refresh_keyboard_mapping(syms, e);
6995
6996         if (e->request == XCB_MAPPING_KEYBOARD)
6997                 grabkeys();
6998 }
6999
7000 void
7001 maprequest(xcb_map_request_event_t *e)
7002 {
7003         struct ws_win           *win;
7004         struct swm_region       *r;
7005         xcb_get_window_attributes_reply_t *war;
7006
7007         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7008             e->window);
7009
7010         war = xcb_get_window_attributes_reply(conn,
7011             xcb_get_window_attributes(conn, e->window),
7012             NULL);
7013         if (!war)
7014                 return;
7015         if (war->override_redirect) {
7016                 free(war);
7017                 return;
7018         }
7019         free(war);
7020
7021         win = manage_window(e->window);
7022         if (win == NULL) {
7023                 return; /* can't happen */
7024         }
7025
7026         stack();
7027
7028         /* make new win focused */
7029         r = root_to_region(win->wa->root);
7030         if (win->ws == r->ws)
7031                 focus_magic(win);
7032 }
7033
7034 #ifdef SWM_DEBUG
7035 char *
7036 get_atom_name(xcb_atom_t atom)
7037 {
7038         char                            *name;
7039         size_t                          len;
7040         xcb_get_atom_name_reply_t       *r;
7041         xcb_map_request_event_t         mre;
7042
7043         r = xcb_get_atom_name_reply(conn,
7044             xcb_get_atom_name(conn, atom),
7045             NULL);
7046         if (r) {
7047                 len = xcb_get_atom_name_name_length(r);
7048                 if (len > 0) {
7049                         name = malloc(len + 1);
7050                         if (name) {
7051                                 memcpy(name, xcb_get_atom_name_name(r), len);
7052                                 name[len] = '\0';
7053
7054                                 return name;
7055                         }
7056                 }
7057                 free(r);
7058         }
7059
7060         return NULL;
7061 }
7062 #endif
7063
7064 void
7065 propertynotify(xcb_property_notify_event_t *e)
7066 {
7067         struct ws_win           *win;
7068 #ifdef SWM_DEBUG
7069         char                    *name;
7070
7071         name = get_atom_name(e->atom);
7072         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7073             e->window, name, e->atom);
7074         free(name);
7075 #endif
7076
7077         win = find_window(e->window);
7078         if (win == NULL)
7079                 return;
7080
7081         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7082                 update_iconic(win, 0);
7083                 map_window_raised(win->id);
7084                 stack();
7085                 focus_win(win);
7086                 return;
7087         }
7088
7089         switch (e->atom) {
7090         case XCB_ATOM_WM_CLASS:
7091         case XCB_ATOM_WM_NAME:
7092                 bar_update();
7093                 break;
7094         default:
7095                 break;
7096         }
7097 }
7098
7099 void
7100 unmapnotify(xcb_unmap_notify_event_t *e)
7101 {
7102         struct ws_win           *win;
7103
7104         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7105
7106         /* determine if we need to help unmanage this window */
7107         win = find_window(e->window);
7108         if (win == NULL)
7109                 return;
7110
7111         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7112                 unmanage_window(win);
7113                 stack();
7114
7115                 /* resend unmap because we ated it */
7116                 xcb_unmap_window(conn, e->window);
7117                 xcb_flush(conn);
7118         }
7119 }
7120
7121 /*void
7122 visibilitynotify(xcb_visibility_notify_event_t *e)
7123 {
7124         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7125             e->window);
7126 }*/
7127
7128 void
7129 clientmessage(xcb_client_message_event_t *e)
7130 {
7131         struct ws_win *win;
7132         xcb_map_request_event_t mre;
7133 #ifdef SWM_DEBUG
7134         char                    *name;
7135
7136         name = get_atom_name(e->type);
7137         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7138             e->window, name, e->type);
7139         free(name);
7140 #endif
7141         win = find_window(e->window);
7142
7143         if (win == NULL) {
7144                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7145                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7146                             "unmanaged window.\n");
7147                         mre.window = e->window;
7148                         maprequest(&mre);
7149                 }
7150                 return;
7151         }
7152
7153         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7154                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7155                 focus_win(win);
7156         }
7157         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7158                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7159                 if (win->can_delete)
7160                         client_msg(win, a_delete);
7161                 else
7162                         xcb_kill_client(conn, win->id);
7163         }
7164         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7165                 DNPRINTF(SWM_D_EVENT,
7166                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7167                 if (win->floating) {
7168                         if (e->data.data32[0] & (1<<8)) /* x */
7169                                 X(win) = e->data.data32[1];
7170                         if (e->data.data32[0] & (1<<9)) /* y */
7171                                 Y(win) = e->data.data32[2];
7172                         if (e->data.data32[0] & (1<<10)) /* width */
7173                                 WIDTH(win) = e->data.data32[3];
7174                         if (e->data.data32[0] & (1<<11)) /* height */
7175                                 HEIGHT(win) = e->data.data32[4];
7176
7177                         update_window(win);
7178                 }
7179                 else {
7180                         /* TODO: Change stack sizes */
7181                         /* notify no change was made. */
7182                         config_win(win, NULL);
7183                 }
7184         }
7185         if (e->type == ewmh[_NET_WM_STATE].atom) {
7186                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7187                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7188                 if (e->data.data32[2])
7189                         ewmh_update_win_state(win, e->data.data32[2],
7190                             e->data.data32[0]);
7191
7192                 stack();
7193         }
7194
7195         xcb_flush(conn);
7196 }
7197
7198 int
7199 enable_wm(void)
7200 {
7201         int                     num_screens, i;
7202         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7203         xcb_screen_t            *sc;
7204         xcb_void_cookie_t       wac;
7205         xcb_generic_error_t     *error;
7206
7207         /* this causes an error if some other window manager is running */
7208         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7209         for (i = 0; i < num_screens; i++) {
7210                 sc = get_screen(i);
7211                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7212                     i, sc->root);
7213                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7214                         XCB_CW_EVENT_MASK, &val);
7215                 if ((error = xcb_request_check(conn, wac))) {
7216                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7217                             error->error_code);
7218                         free(error);
7219                         return 1;
7220                 }
7221         }
7222
7223         return 0;
7224 }
7225
7226 void
7227 new_region(struct swm_screen *s, int x, int y, int w, int h)
7228 {
7229         struct swm_region       *r, *n;
7230         struct workspace        *ws = NULL;
7231         int                     i;
7232
7233         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7234              s->idx, w, h, x, y);
7235
7236         /* remove any conflicting regions */
7237         n = TAILQ_FIRST(&s->rl);
7238         while (n) {
7239                 r = n;
7240                 n = TAILQ_NEXT(r, entry);
7241                 if (X(r) < (x + w) &&
7242                     (X(r) + WIDTH(r)) > x &&
7243                     Y(r) < (y + h) &&
7244                     (Y(r) + HEIGHT(r)) > y) {
7245                         if (r->ws->r != NULL)
7246                                 r->ws->old_r = r->ws->r;
7247                         r->ws->r = NULL;
7248                         bar_cleanup(r);
7249                         TAILQ_REMOVE(&s->rl, r, entry);
7250                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7251                 }
7252         }
7253
7254         /* search old regions for one to reuse */
7255
7256         /* size + location match */
7257         TAILQ_FOREACH(r, &s->orl, entry)
7258                 if (X(r) == x && Y(r) == y &&
7259                     HEIGHT(r) == h && WIDTH(r) == w)
7260                         break;
7261
7262         /* size match */
7263         TAILQ_FOREACH(r, &s->orl, entry)
7264                 if (HEIGHT(r) == h && WIDTH(r) == w)
7265                         break;
7266
7267         if (r != NULL) {
7268                 TAILQ_REMOVE(&s->orl, r, entry);
7269                 /* try to use old region's workspace */
7270                 if (r->ws->r == NULL)
7271                         ws = r->ws;
7272         } else
7273                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7274                         err(1, "new_region: calloc: failed to allocate memory "
7275                             "for screen");
7276
7277         /* if we don't have a workspace already, find one */
7278         if (ws == NULL) {
7279                 for (i = 0; i < workspace_limit; i++)
7280                         if (s->ws[i].r == NULL) {
7281                                 ws = &s->ws[i];
7282                                 break;
7283                         }
7284         }
7285
7286         if (ws == NULL)
7287                 errx(1, "new_region: no free workspaces");
7288
7289         X(r) = x;
7290         Y(r) = y;
7291         WIDTH(r) = w;
7292         HEIGHT(r) = h;
7293         r->s = s;
7294         r->ws = ws;
7295         r->ws_prior = NULL;
7296         ws->r = r;
7297         outputs++;
7298         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7299 }
7300
7301 void
7302 scan_xrandr(int i)
7303 {
7304 #ifdef SWM_XRR_HAS_CRTC
7305         int                                             c;
7306         int                                             ncrtc = 0;
7307 #endif /* SWM_XRR_HAS_CRTC */
7308         struct swm_region                               *r;
7309         int                                             num_screens;
7310         xcb_randr_get_screen_resources_current_cookie_t src;
7311         xcb_randr_get_screen_resources_current_reply_t  *srr;
7312         xcb_randr_get_crtc_info_cookie_t                cic;
7313         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7314         xcb_randr_crtc_t                                *crtc;
7315         xcb_screen_t                                    *screen = get_screen(i);
7316
7317         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7318         if (i >= num_screens)
7319                 errx(1, "scan_xrandr: invalid screen");
7320
7321         /* remove any old regions */
7322         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7323                 r->ws->old_r = r->ws->r = NULL;
7324                 bar_cleanup(r);
7325                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7326                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7327         }
7328         outputs = 0;
7329
7330         /* map virtual screens onto physical screens */
7331 #ifdef SWM_XRR_HAS_CRTC
7332         if (xrandr_support) {
7333                 src = xcb_randr_get_screen_resources_current(conn,
7334                     screens[i].root);
7335                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7336                     NULL);
7337                 if (srr == NULL) {
7338                         new_region(&screens[i], 0, 0,
7339                             screen->width_in_pixels,
7340                             screen->height_in_pixels);
7341                         return;
7342                 } else
7343                         ncrtc = srr->num_crtcs;
7344                 for (c = 0; c < ncrtc; c++) {
7345                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7346                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7347                             XCB_CURRENT_TIME);
7348                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7349                         if (cir == NULL)
7350                                 continue;
7351                         if (cir->num_outputs == 0) {
7352                                 free(cir);
7353                                 continue;
7354                         }
7355
7356                         if (cir->mode == 0)
7357                                 new_region(&screens[i], 0, 0,
7358                                     screen->width_in_pixels,
7359                                     screen->height_in_pixels);
7360                         else
7361                                 new_region(&screens[i],
7362                                     cir->x, cir->y, cir->width, cir->height);
7363                         free(cir);
7364                 }
7365                 free(srr);
7366         } else
7367 #endif /* SWM_XRR_HAS_CRTC */
7368         {
7369                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7370                     screen->height_in_pixels);
7371         }
7372 }
7373
7374 void
7375 screenchange(xcb_randr_screen_change_notify_event_t *e)
7376 {
7377         struct swm_region               *r;
7378         int                             i, num_screens;
7379
7380         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7381
7382         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7383         /* silly event doesn't include the screen index */
7384         for (i = 0; i < num_screens; i++)
7385                 if (screens[i].root == e->root)
7386                         break;
7387         if (i >= num_screens)
7388                 errx(1, "screenchange: screen not found");
7389
7390         /* brute force for now, just re-enumerate the regions */
7391         scan_xrandr(i);
7392
7393 #ifdef SWM_DEBUG
7394         print_win_geom(e->root);
7395 #endif
7396         /* add bars to all regions */
7397         for (i = 0; i < num_screens; i++)
7398                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7399                         bar_setup(r);
7400         stack();
7401 }
7402
7403 void
7404 grab_windows(void)
7405 {
7406         xcb_window_t            *wins   = NULL;
7407         int                     no;
7408         int                     i, j, num_screens;
7409         uint16_t                state, manage;
7410
7411         xcb_query_tree_cookie_t                 qtc;
7412         xcb_query_tree_reply_t                  *qtr;
7413         xcb_get_window_attributes_cookie_t      c;
7414         xcb_get_window_attributes_reply_t       *r;
7415         xcb_get_property_cookie_t               pc;
7416
7417         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7418         for (i = 0; i < num_screens; i++) {
7419                 qtc = xcb_query_tree(conn, screens[i].root);
7420                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7421                 if (!qtr)
7422                         continue;
7423                 wins = xcb_query_tree_children(qtr);
7424                 no = xcb_query_tree_children_length(qtr);
7425                 /* attach windows to a region */
7426                 /* normal windows */
7427                 for (j = 0; j < no; j++) {
7428                         c = xcb_get_window_attributes(conn, wins[j]);
7429                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7430                         if (!r)
7431                                 continue;
7432                         if (r->override_redirect) {
7433                                 free(r);
7434                                 continue;
7435                         }
7436
7437                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7438                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7439                             &wins[j], NULL)) {
7440                                 free(r);
7441                                 continue;
7442                         }
7443
7444                         state = getstate(wins[j]);
7445                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7446                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7447                                 manage_window(wins[j]);
7448                         free(r);
7449                 }
7450                 /* transient windows */
7451                 for (j = 0; j < no; j++) {
7452                         c = xcb_get_window_attributes(conn, wins[j]);
7453                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7454                         if (!r)
7455                                 continue;
7456                         if (r->override_redirect) {
7457                                 free(r);
7458                                 continue;
7459                         }
7460                         free(r);
7461
7462                         state = getstate(wins[j]);
7463                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7464                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7465                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7466                             &wins[j], NULL) && manage)
7467                                 manage_window(wins[j]);
7468                 }
7469                 free(qtr);
7470         }
7471 }
7472
7473 void
7474 setup_screens(void)
7475 {
7476         int                     i, j, k, num_screens;
7477         struct workspace        *ws;
7478         uint32_t                gcv[1], wa[1];
7479         const xcb_query_extension_reply_t *qep;
7480         xcb_cursor_t                            cursor;
7481         xcb_font_t                              cursor_font;
7482         xcb_randr_query_version_cookie_t        c;
7483         xcb_randr_query_version_reply_t         *r;
7484
7485         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7486         if ((screens = calloc(num_screens,
7487              sizeof(struct swm_screen))) == NULL)
7488                 err(1, "setup_screens: calloc: failed to allocate memory for "
7489                     "screens");
7490
7491         /* initial Xrandr setup */
7492         xrandr_support = False;
7493         c = xcb_randr_query_version(conn, True, True);
7494         r = xcb_randr_query_version_reply(conn, c, NULL);
7495         if (r) {
7496                 if (r->major_version >= 1)
7497                         xrandr_support = True;
7498                 free(r);
7499         }
7500         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7501         xrandr_eventbase = qep->first_event;
7502
7503         cursor_font = xcb_generate_id(conn);
7504         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7505
7506         cursor = xcb_generate_id(conn);
7507         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7508                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7509         wa[0] = cursor;
7510
7511         /* map physical screens */
7512         for (i = 0; i < num_screens; i++) {
7513                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7514                 screens[i].idx = i;
7515                 TAILQ_INIT(&screens[i].rl);
7516                 TAILQ_INIT(&screens[i].orl);
7517                 screens[i].root = get_screen(i)->root;
7518
7519                 /* set default colors */
7520                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7521                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7522                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7523                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7524                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7525
7526                 /* create graphics context on screen */
7527                 screens[i].bar_gc = xcb_generate_id(conn);
7528                 gcv[0] = 0;
7529                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7530                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7531
7532                 /* set default cursor */
7533                 xcb_change_window_attributes(conn, screens[i].root,
7534                     XCB_CW_CURSOR, wa);
7535
7536                 /* init all workspaces */
7537                 /* XXX these should be dynamically allocated too */
7538                 for (j = 0; j < SWM_WS_MAX; j++) {
7539                         ws = &screens[i].ws[j];
7540                         ws->idx = j;
7541                         ws->name = NULL;
7542                         ws->focus = NULL;
7543                         ws->r = NULL;
7544                         ws->old_r = NULL;
7545                         TAILQ_INIT(&ws->winlist);
7546                         TAILQ_INIT(&ws->unmanagedlist);
7547
7548                         for (k = 0; layouts[k].l_stack != NULL; k++)
7549                                 if (layouts[k].l_config != NULL)
7550                                         layouts[k].l_config(ws,
7551                                             SWM_ARG_ID_STACKINIT);
7552                         ws->cur_layout = &layouts[0];
7553                         ws->cur_layout->l_string(ws);
7554                 }
7555
7556                 scan_xrandr(i);
7557
7558                 if (xrandr_support)
7559                         xcb_randr_select_input(conn, screens[i].root,
7560                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7561         }
7562         xcb_free_cursor(conn, cursor);
7563         xcb_close_font(conn, cursor_font);
7564 }
7565
7566 void
7567 setup_globals(void)
7568 {
7569         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7570                 err(1, "setup_globals: strdup: failed to allocate memory.");
7571
7572         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7573                 err(1, "setup_globals: strdup: failed to allocate memory.");
7574
7575         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
7576                 errx(1, "unable to allocate key symbols");
7577
7578         a_state = get_atom_from_string("WM_STATE");
7579         a_prot = get_atom_from_string("WM_PROTOCOLS");
7580         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
7581         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7582         a_wmname = get_atom_from_string("WM_NAME");
7583         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7584         a_utf8_string = get_atom_from_string("UTF8_STRING");
7585         a_string = get_atom_from_string("STRING");
7586         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7587 }
7588
7589 void
7590 workaround(void)
7591 {
7592         int                     i, num_screens;
7593         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7594         xcb_window_t            root, win;
7595         uint32_t                wa[2];
7596
7597         /* work around sun jdk bugs, code from wmname */
7598         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7599         netwmname = get_atom_from_string("_NET_WM_NAME");
7600         utf8_string = get_atom_from_string("UTF8_STRING");
7601
7602         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7603         for (i = 0; i < num_screens; i++) {
7604                 root = screens[i].root;
7605
7606                 win = xcb_generate_id(conn);
7607                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7608                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7609                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7610                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7611                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7612
7613                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7614                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7615                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7616                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7617                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7618                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7619         }
7620 }
7621
7622 void
7623 event_error(xcb_generic_error_t *e)
7624 {
7625         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7626             "resource_id: %u, minor_code: %u\n",
7627             xcb_event_get_error_label(e->error_code), e->error_code,
7628             xcb_event_get_request_label(e->major_code), e->major_code,
7629             e->sequence, e->resource_id, e->minor_code);
7630 }
7631
7632 void
7633 event_handle(xcb_generic_event_t *evt)
7634 {
7635         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7636
7637         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7638             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7639             XCB_EVENT_RESPONSE_TYPE(evt));
7640
7641         switch (type) {
7642 #define EVENT(type, callback) case type: callback((void *)evt); return
7643         EVENT(0, event_error);
7644         EVENT(XCB_BUTTON_PRESS, buttonpress);
7645         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7646         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7647         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7648         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7649         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7650         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7651         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7652         /*EVENT(XCB_CREATE_NOTIFY, );*/
7653         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7654         EVENT(XCB_ENTER_NOTIFY, enternotify);
7655         EVENT(XCB_EXPOSE, expose);
7656         /*EVENT(XCB_FOCUS_IN, );*/
7657         /*EVENT(XCB_FOCUS_OUT, );*/
7658         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7659         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7660         EVENT(XCB_KEY_PRESS, keypress);
7661         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7662         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7663         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7664         EVENT(XCB_MAP_NOTIFY, mapnotify);
7665         EVENT(XCB_MAP_REQUEST, maprequest);
7666         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7667         /*EVENT(XCB_MOTION_NOTIFY, );*/
7668         /*EVENT(XCB_NO_EXPOSURE, );*/
7669         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7670         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7671         /*EVENT(XCB_RESIZE_REQUEST, );*/
7672         /*EVENT(XCB_SELECTION_CLEAR, );*/
7673         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7674         /*EVENT(XCB_SELECTION_REQUEST, );*/
7675         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7676         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7677 #undef EVENT
7678         }
7679         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7680                 screenchange((void *)evt);
7681 }
7682
7683 int
7684 main(int argc, char *argv[])
7685 {
7686         struct swm_region       *r, *rr;
7687         struct ws_win           *winfocus = NULL;
7688         union arg               a;
7689         char                    conf[PATH_MAX], *cfile = NULL;
7690         struct stat             sb;
7691         int                     xfd, i, num_screens;
7692         struct sigaction        sact;
7693         xcb_generic_event_t     *evt;
7694         struct timeval          tv;
7695         fd_set                  rd;
7696
7697         time_started = time(NULL);
7698
7699         start_argv = argv;
7700         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7701         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
7702                 warnx("no locale support");
7703
7704         /* handle some signals */
7705         bzero(&sact, sizeof(sact));
7706         sigemptyset(&sact.sa_mask);
7707         sact.sa_flags = 0;
7708         sact.sa_handler = sighdlr;
7709         sigaction(SIGINT, &sact, NULL);
7710         sigaction(SIGQUIT, &sact, NULL);
7711         sigaction(SIGTERM, &sact, NULL);
7712         sigaction(SIGHUP, &sact, NULL);
7713
7714         sact.sa_handler = sighdlr;
7715         sact.sa_flags = SA_NOCLDSTOP;
7716         sigaction(SIGCHLD, &sact, NULL);
7717
7718         if (!(display = XOpenDisplay(0)))
7719                 errx(1, "can not open display");
7720
7721         conn = XGetXCBConnection(display);
7722         if (xcb_connection_has_error(conn))
7723                 errx(1, "can not get XCB connection");
7724
7725         xcb_prefetch_extension_data(conn, &xcb_randr_id);
7726         xfd = xcb_get_file_descriptor(conn);
7727
7728         /* look for local and global conf file */
7729         pwd = getpwuid(getuid());
7730         if (pwd == NULL)
7731                 errx(1, "invalid user: %d", getuid());
7732
7733         xcb_grab_server(conn);
7734         xcb_aux_sync(conn);
7735
7736         /* flush all events */
7737         while ((evt = xcb_poll_for_event(conn))) {
7738                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7739                         event_handle(evt);
7740                 free(evt);
7741         }
7742
7743         if (enable_wm() != 0)
7744                 errx(1, "another window manager is currently running");
7745
7746         xcb_aux_sync(conn);
7747
7748         setup_globals();
7749         setup_screens();
7750         setup_keys();
7751         setup_quirks();
7752         setup_spawn();
7753
7754         /* load config */
7755         for (i = 0; ; i++) {
7756                 conf[0] = '\0';
7757                 switch (i) {
7758                 case 0:
7759                         /* ~ */
7760                         snprintf(conf, sizeof conf, "%s/.%s",
7761                             pwd->pw_dir, SWM_CONF_FILE);
7762                         break;
7763                 case 1:
7764                         /* global */
7765                         snprintf(conf, sizeof conf, "/etc/%s",
7766                             SWM_CONF_FILE);
7767                         break;
7768                 case 2:
7769                         /* ~ compat */
7770                         snprintf(conf, sizeof conf, "%s/.%s",
7771                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7772                         break;
7773                 case 3:
7774                         /* global compat */
7775                         snprintf(conf, sizeof conf, "/etc/%s",
7776                             SWM_CONF_FILE_OLD);
7777                         break;
7778                 default:
7779                         goto noconfig;
7780                 }
7781
7782                 if (strlen(conf) && stat(conf, &sb) != -1)
7783                         if (S_ISREG(sb.st_mode)) {
7784                                 cfile = conf;
7785                                 break;
7786                         }
7787         }
7788 noconfig:
7789
7790         /* load conf (if any) */
7791         if (cfile)
7792                 conf_load(cfile, SWM_CONF_DEFAULT);
7793
7794         setup_ewmh();
7795         /* set some values to work around bad programs */
7796         workaround();
7797         /* grab existing windows (before we build the bars) */
7798         grab_windows();
7799
7800         if (getenv("SWM_STARTED") == NULL)
7801                 setenv("SWM_STARTED", "YES", 1);
7802
7803         /* setup all bars */
7804         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7805         for (i = 0; i < num_screens; i++)
7806                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7807                         if (winfocus == NULL)
7808                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7809                         bar_setup(r);
7810                 }
7811
7812         //unfocus_all();
7813
7814         grabkeys();
7815         stack();
7816
7817         xcb_ungrab_server(conn);
7818         xcb_flush(conn);
7819
7820         while (running) {
7821                 while ((evt = xcb_poll_for_event(conn))) {
7822                         if (running == 0)
7823                                 goto done;
7824                         event_handle(evt);
7825                         free(evt);
7826                 }
7827
7828                 /* if we are being restarted go focus on first window */
7829                 if (winfocus) {
7830                         rr = winfocus->ws->r;
7831                         if (rr == NULL) {
7832                                 /* not a visible window */
7833                                 winfocus = NULL;
7834                                 continue;
7835                         }
7836                         /* move pointer to first screen if multi screen */
7837                         if (num_screens > 1 || outputs > 1)
7838                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7839                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7840                                     Y(rr) + (bar_enabled ? bar_height : 0));
7841
7842                         a.id = SWM_ARG_ID_FOCUSCUR;
7843                         focus(rr, &a);
7844                         winfocus = NULL;
7845                         continue;
7846                 }
7847
7848                 FD_ZERO(&rd);
7849                 FD_SET(xfd, &rd);
7850                 tv.tv_sec = 1;
7851                 tv.tv_usec = 0;
7852                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7853                         if (errno != EINTR)
7854                                 DNPRINTF(SWM_D_MISC, "select failed");
7855                 if (restart_wm == 1)
7856                         restart(NULL, NULL);
7857                 if (search_resp == 1)
7858                         search_do_resp();
7859                 if (running == 0)
7860                         goto done;
7861                 if (bar_alarm) {
7862                         bar_alarm = 0;
7863                         bar_update();
7864                 }
7865         }
7866 done:
7867         teardown_ewmh();
7868         bar_extra_stop();
7869
7870         for (i = 0; i < num_screens; ++i)
7871                 if (screens[i].bar_gc != 0)
7872                         xcb_free_gc(conn, screens[i].bar_gc);
7873 #if 0
7874         XFreeFontSet(display, bar_fs);
7875 #endif
7876         xcb_key_symbols_free(syms);
7877         xcb_flush(conn);
7878         xcb_disconnect(conn);
7879
7880         return (0);
7881 }