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