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 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_icccm.h>
  97 #include <xcb/xcb_keysyms.h>
  98 #include <X11/Xproto.h>
  99 #include <X11/Xutil.h>
 100 #include <X11/extensions/Xrandr.h>
 101 #include <X11/extensions/XTest.h>
 102
 103 #ifdef __OSX__
 104 #include <osx.h>
 105 #endif
 106
 107 #include "version.h"
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if RANDR_MAJOR < 1
 116 #  error XRandR versions less than 1.0 are not supported
 117 #endif
 118
 119 #if RANDR_MAJOR >= 1
 120 #if RANDR_MINOR >= 2
 121 #define SWM_XRR_HAS_CRTC
 122 #endif
 123 #endif
 124
 125 #if defined(__OpenBSD__)
 126 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 127 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 128 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 129 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 130 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 131 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 132 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 133 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 134 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 135 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 136 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 137 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 138 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 139 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 140 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 141 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 142 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 143 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 144 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 145 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 146 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 147 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 148 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 149 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 150 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 151 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 152 #endif
 153
 154 /*#define SWM_DEBUG*/
 155 #ifdef SWM_DEBUG
 156 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 157 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 158 #define SWM_D_MISC              0x0001
 159 #define SWM_D_EVENT             0x0002
 160 #define SWM_D_WS                0x0004
 161 #define SWM_D_FOCUS             0x0008
 162 #define SWM_D_MOVE              0x0010
 163 #define SWM_D_STACK             0x0020
 164 #define SWM_D_MOUSE             0x0040
 165 #define SWM_D_PROP              0x0080
 166 #define SWM_D_CLASS             0x0100
 167 #define SWM_D_KEY               0x0200
 168 #define SWM_D_QUIRK             0x0400
 169 #define SWM_D_SPAWN             0x0800
 170 #define SWM_D_EVENTQ            0x1000
 171 #define SWM_D_CONF              0x2000
 172 #define SWM_D_BAR               0x4000
 173
 174 u_int32_t               swm_debug = 0
 175                             | SWM_D_MISC
 176                             | SWM_D_EVENT
 177                             | SWM_D_WS
 178                             | SWM_D_FOCUS
 179                             | SWM_D_MOVE
 180                             | SWM_D_STACK
 181                             | SWM_D_MOUSE
 182                             | SWM_D_PROP
 183                             | SWM_D_CLASS
 184                             | SWM_D_KEY
 185                             | SWM_D_QUIRK
 186                             | SWM_D_SPAWN
 187                             | SWM_D_EVENTQ
 188                             | SWM_D_CONF
 189                             | SWM_D_BAR
 190                             ;
 191 #else
 192 #define DPRINTF(x...)
 193 #define DNPRINTF(n,x...)
 194 #endif
 195
 196 #define LENGTH(x)               (sizeof x / sizeof x[0])
 197 #define MODKEY                  Mod1Mask
 198 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 199 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 200 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 201 #define SWM_PROPLEN             (16)
 202 #define SWM_FUNCNAME_LEN        (32)
 203 #define SWM_KEYS_LEN            (255)
 204 #define SWM_QUIRK_LEN           (64)
 205 #define X(r)                    (r)->g.x
 206 #define Y(r)                    (r)->g.y
 207 #define WIDTH(r)                (r)->g.w
 208 #define HEIGHT(r)               (r)->g.h
 209 #define BORDER(w)               (w->bordered ? border_width : 0)
 210 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 211 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 212 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 213 #define SH_MIN_W(w)             (w)->sh.min_width
 214 #define SH_MIN_H(w)             (w)->sh.min_height
 215 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 216 #define SH_MAX_W(w)             (w)->sh.max_width
 217 #define SH_MAX_H(w)             (w)->sh.max_height
 218 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 219 #define SH_INC_W(w)             (w)->sh.width_inc
 220 #define SH_INC_H(w)             (w)->sh.height_inc
 221 #define SWM_MAX_FONT_STEPS      (3)
 222 #define WINID(w)                ((w) ? (w)->id : 0)
 223 #define YESNO(x)                ((x) ? "yes" : "no")
 224
 225 #define SWM_FOCUS_DEFAULT       (0)
 226 #define SWM_FOCUS_SYNERGY       (1)
 227 #define SWM_FOCUS_FOLLOW        (2)
 228
 229 #define SWM_CONF_DEFAULT        (0)
 230 #define SWM_CONF_KEYMAPPING     (1)
 231
 232 #ifndef SWM_LIB
 233 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 234 #endif
 235
 236 char                    **start_argv;
 237 xcb_atom_t              astate;
 238 xcb_atom_t              aprot;
 239 xcb_atom_t              adelete;
 240 xcb_atom_t              takefocus;
 241 xcb_atom_t              a_wmname;
 242 xcb_atom_t              a_netwmname;
 243 xcb_atom_t              a_utf8_string;
 244 xcb_atom_t              a_string;
 245 xcb_atom_t              a_swm_iconic;
 246 volatile sig_atomic_t   running = 1;
 247 volatile sig_atomic_t   restart_wm = 0;
 248 int                     outputs = 0;
 249 int                     last_focus_event = FocusOut;
 250 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 251 int                     other_wm;
 252 int                     ss_enabled = 0;
 253 int                     xrandr_support;
 254 int                     xrandr_eventbase;
 255 unsigned int            numlockmask = 0;
 256 Display                 *display;
 257 xcb_connection_t        *conn;
 258 xcb_key_symbols_t       *syms;
 259
 260 int                     cycle_empty = 0;
 261 int                     cycle_visible = 0;
 262 int                     term_width = 0;
 263 int                     font_adjusted = 0;
 264 unsigned int            mod_key = MODKEY;
 265
 266 /* dmenu search */
 267 struct swm_region       *search_r;
 268 int                     select_list_pipe[2];
 269 int                     select_resp_pipe[2];
 270 pid_t                   searchpid;
 271 volatile sig_atomic_t   search_resp;
 272 int                     search_resp_action;
 273
 274 struct search_window {
 275         TAILQ_ENTRY(search_window)      entry;
 276         int                             idx;
 277         struct ws_win                   *win;
 278         xcb_gcontext_t                  gc;
 279         xcb_window_t                    indicator;
 280 };
 281 TAILQ_HEAD(search_winlist, search_window);
 282 struct search_winlist                   search_wl;
 283
 284 /* search actions */
 285 enum {
 286         SWM_SEARCH_NONE,
 287         SWM_SEARCH_UNICONIFY,
 288         SWM_SEARCH_NAME_WORKSPACE,
 289         SWM_SEARCH_SEARCH_WORKSPACE,
 290         SWM_SEARCH_SEARCH_WINDOW
 291 };
 292
 293 #define SWM_STACK_TOP           (0)
 294 #define SWM_STACK_BOTTOM        (1)
 295 #define SWM_STACK_ABOVE         (2)
 296 #define SWM_STACK_BELOW         (3)
 297
 298 /* dialog windows */
 299 double                  dialog_ratio = 0.6;
 300 /* status bar */
 301 #define SWM_BAR_MAX             (256)
 302 #define SWM_BAR_JUSTIFY_LEFT    (0)
 303 #define SWM_BAR_JUSTIFY_CENTER  (1)
 304 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 305 #define SWM_BAR_OFFSET          (4)
 306 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 307                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 308                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 309                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 310                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 311
 312 char                    *bar_argv[] = { NULL, NULL };
 313 int                     bar_pipe[2];
 314 unsigned char           bar_ext[SWM_BAR_MAX];
 315 char                    bar_vertext[SWM_BAR_MAX];
 316 int                     bar_version = 0;
 317 sig_atomic_t            bar_alarm = 0;
 318 int                     bar_delay = 30;
 319 int                     bar_enabled = 1;
 320 int                     bar_border_width = 1;
 321 int                     bar_at_bottom = 0;
 322 int                     bar_extra = 1;
 323 int                     bar_extra_running = 0;
 324 int                     bar_verbose = 1;
 325 int                     bar_height = 0;
 326 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 327 char                    *bar_format = NULL;
 328 int                     stack_enabled = 1;
 329 int                     clock_enabled = 1;
 330 int                     urgent_enabled = 0;
 331 char                    *clock_format = NULL;
 332 int                     title_name_enabled = 0;
 333 int                     title_class_enabled = 0;
 334 int                     window_name_enabled = 0;
 335 int                     focus_mode = SWM_FOCUS_DEFAULT;
 336 int                     focus_close = SWM_STACK_BELOW;
 337 int                     focus_close_wrap = 1;
 338 int                     focus_default = SWM_STACK_TOP;
 339 int                     spawn_position = SWM_STACK_TOP;
 340 int                     disable_border = 0;
 341 int                     border_width = 1;
 342 int                     verbose_layout = 0;
 343 pid_t                   bar_pid;
 344 XFontSet                bar_fs;
 345 XFontSetExtents         *bar_fs_extents;
 346 char                    *bar_fonts;
 347 struct passwd           *pwd;
 348
 349 #define SWM_MENU_FN     (2)
 350 #define SWM_MENU_NB     (4)
 351 #define SWM_MENU_NF     (6)
 352 #define SWM_MENU_SB     (8)
 353 #define SWM_MENU_SF     (10)
 354
 355 /* layout manager data */
 356 struct swm_geometry {
 357         int                     x;
 358         int                     y;
 359         int                     w;
 360         int                     h;
 361 };
 362
 363 struct swm_screen;
 364 struct workspace;
 365
 366 struct swm_bar {
 367         xcb_window_t            id;
 368         xcb_pixmap_t            buffer;
 369         struct swm_geometry     g;
 370 };
 371
 372 /* virtual "screens" */
 373 struct swm_region {
 374         TAILQ_ENTRY(swm_region) entry;
 375         struct swm_geometry     g;
 376         struct workspace        *ws;    /* current workspace on this region */
 377         struct workspace        *ws_prior; /* prior workspace on this region */
 378         struct swm_screen       *s;     /* screen idx */
 379         struct swm_bar          *bar;
 380 };
 381 TAILQ_HEAD(swm_region_list, swm_region);
 382
 383 struct ws_win {
 384         TAILQ_ENTRY(ws_win)     entry;
 385         xcb_window_t            id;
 386         xcb_window_t            transient;
 387         struct ws_win           *child_trans;   /* transient child window */
 388         struct swm_geometry     g;              /* current geometry */
 389         struct swm_geometry     g_float;        /* region coordinates */
 390         int                     g_floatvalid;   /* g_float geometry validity */
 391         int                     floatmaxed;     /* whether maxed by max_stack */
 392         int                     floating;
 393         int                     manual;
 394         int32_t                 iconic;
 395         int                     bordered;
 396         unsigned int            ewmh_flags;
 397         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 398         int                     font_steps;
 399         int                     last_inc;
 400         int                     can_delete;
 401         int                     take_focus;
 402         int                     java;
 403         unsigned long           quirks;
 404         struct workspace        *ws;    /* always valid */
 405         struct swm_screen       *s;     /* always valid, never changes */
 406         xcb_get_geometry_reply_t        *wa;
 407         xcb_size_hints_t        sh;
 408         xcb_icccm_get_wm_class_reply_t  ch;
 409         xcb_icccm_wm_hints_t    hints;
 410 };
 411 TAILQ_HEAD(ws_win_list, ws_win);
 412
 413 /* pid goo */
 414 struct pid_e {
 415         TAILQ_ENTRY(pid_e)      entry;
 416         long                    pid;
 417         int                     ws;
 418 };
 419 TAILQ_HEAD(pid_list, pid_e);
 420 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 421
 422 /* layout handlers */
 423 void    stack(void);
 424 void    vertical_config(struct workspace *, int);
 425 void    vertical_stack(struct workspace *, struct swm_geometry *);
 426 void    horizontal_config(struct workspace *, int);
 427 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 428 void    max_stack(struct workspace *, struct swm_geometry *);
 429 void    plain_stacker(struct workspace *);
 430 void    fancy_stacker(struct workspace *);
 431
 432 struct ws_win *find_window(xcb_window_t);
 433
 434 void            grabbuttons(struct ws_win *, int);
 435 void            new_region(struct swm_screen *, int, int, int, int);
 436 void            unmanage_window(struct ws_win *);
 437 uint16_t        getstate(xcb_window_t);
 438
 439 int             conf_load(char *, int);
 440
 441 struct layout {
 442         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 443         void            (*l_config)(struct workspace *, int);
 444         u_int32_t       flags;
 445 #define SWM_L_FOCUSPREV         (1<<0)
 446 #define SWM_L_MAPONFOCUS        (1<<1)
 447         void            (*l_string)(struct workspace *);
 448 } layouts[] =  {
 449         /* stack,               configure */
 450         { vertical_stack,       vertical_config,        0,      plain_stacker },
 451         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 452         { max_stack,            NULL,
 453           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 454         { NULL,                 NULL,                   0,      NULL  },
 455 };
 456
 457 /* position of max_stack mode in the layouts array, index into layouts! */
 458 #define SWM_V_STACK             (0)
 459 #define SWM_H_STACK             (1)
 460 #define SWM_MAX_STACK           (2)
 461
 462 #define SWM_H_SLICE             (32)
 463 #define SWM_V_SLICE             (32)
 464
 465 /* define work spaces */
 466 struct workspace {
 467         int                     idx;            /* workspace index */
 468         char                    *name;          /* workspace name */
 469         int                     always_raise;   /* raise windows on focus */
 470         struct layout           *cur_layout;    /* current layout handlers */
 471         struct ws_win           *focus;         /* may be NULL */
 472         struct ws_win           *focus_prev;    /* may be NULL */
 473         struct swm_region       *r;             /* may be NULL */
 474         struct swm_region       *old_r;         /* may be NULL */
 475         struct ws_win_list      winlist;        /* list of windows in ws */
 476         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 477         char                    stacker[10];    /* display stacker and layout */
 478
 479         /* stacker state */
 480         struct {
 481                                 int horizontal_msize;
 482                                 int horizontal_mwin;
 483                                 int horizontal_stacks;
 484                                 int horizontal_flip;
 485                                 int vertical_msize;
 486                                 int vertical_mwin;
 487                                 int vertical_stacks;
 488                                 int vertical_flip;
 489         } l_state;
 490 };
 491
 492 enum {
 493         SWM_S_COLOR_BAR,
 494         SWM_S_COLOR_BAR_BORDER,
 495         SWM_S_COLOR_BAR_FONT,
 496         SWM_S_COLOR_FOCUS,
 497         SWM_S_COLOR_UNFOCUS,
 498         SWM_S_COLOR_MAX
 499 };
 500
 501 /* physical screen mapping */
 502 #define SWM_WS_MAX              (22)    /* hard limit */
 503 int             workspace_limit = 10;   /* soft limit */
 504
 505 struct swm_screen {
 506         int                     idx;    /* screen index */
 507         struct swm_region_list  rl;     /* list of regions on this screen */
 508         struct swm_region_list  orl;    /* list of old regions */
 509         xcb_window_t            root;
 510         struct workspace        ws[SWM_WS_MAX];
 511
 512         /* colors */
 513         struct {
 514                 uint32_t        color;
 515                 char            *name;
 516         } c[SWM_S_COLOR_MAX];
 517
 518         xcb_gcontext_t          bar_gc;
 519 };
 520 struct swm_screen       *screens;
 521
 522 /* args to functions */
 523 union arg {
 524         int                     id;
 525 #define SWM_ARG_ID_FOCUSNEXT    (0)
 526 #define SWM_ARG_ID_FOCUSPREV    (1)
 527 #define SWM_ARG_ID_FOCUSMAIN    (2)
 528 #define SWM_ARG_ID_FOCUSCUR     (4)
 529 #define SWM_ARG_ID_SWAPNEXT     (10)
 530 #define SWM_ARG_ID_SWAPPREV     (11)
 531 #define SWM_ARG_ID_SWAPMAIN     (12)
 532 #define SWM_ARG_ID_MOVELAST     (13)
 533 #define SWM_ARG_ID_MASTERSHRINK (20)
 534 #define SWM_ARG_ID_MASTERGROW   (21)
 535 #define SWM_ARG_ID_MASTERADD    (22)
 536 #define SWM_ARG_ID_MASTERDEL    (23)
 537 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 538 #define SWM_ARG_ID_STACKRESET   (30)
 539 #define SWM_ARG_ID_STACKINIT    (31)
 540 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 541 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 542 #define SWM_ARG_ID_CYCLESC_UP   (42)
 543 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 544 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 545 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 546 #define SWM_ARG_ID_STACKINC     (50)
 547 #define SWM_ARG_ID_STACKDEC     (51)
 548 #define SWM_ARG_ID_SS_ALL       (60)
 549 #define SWM_ARG_ID_SS_WINDOW    (61)
 550 #define SWM_ARG_ID_DONTCENTER   (70)
 551 #define SWM_ARG_ID_CENTER       (71)
 552 #define SWM_ARG_ID_KILLWINDOW   (80)
 553 #define SWM_ARG_ID_DELETEWINDOW (81)
 554 #define SWM_ARG_ID_WIDTHGROW    (90)
 555 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 556 #define SWM_ARG_ID_HEIGHTGROW   (92)
 557 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 558 #define SWM_ARG_ID_MOVEUP       (100)
 559 #define SWM_ARG_ID_MOVEDOWN     (101)
 560 #define SWM_ARG_ID_MOVELEFT     (102)
 561 #define SWM_ARG_ID_MOVERIGHT    (103)
 562         char                    **argv;
 563 };
 564
 565 void    focus(struct swm_region *, union arg *);
 566 void    focus_magic(struct ws_win *);
 567
 568 /* quirks */
 569 struct quirk {
 570         TAILQ_ENTRY(quirk)      entry;
 571         char                    *class;
 572         char                    *name;
 573         unsigned long           quirk;
 574 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 575 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 576 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 577 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 578 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 579 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 580 };
 581 TAILQ_HEAD(quirk_list, quirk);
 582 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 583
 584 /*
 585  * Supported EWMH hints should be added to
 586  * both the enum and the ewmh array
 587  */
 588 enum {
 589         _NET_ACTIVE_WINDOW,
 590         _NET_CLOSE_WINDOW,
 591         _NET_MOVERESIZE_WINDOW,
 592         _NET_WM_ACTION_CLOSE,
 593         _NET_WM_ACTION_FULLSCREEN,
 594         _NET_WM_ACTION_MOVE,
 595         _NET_WM_ACTION_RESIZE,
 596         _NET_WM_ALLOWED_ACTIONS,
 597         _NET_WM_STATE,
 598         _NET_WM_STATE_ABOVE,
 599         _NET_WM_STATE_FULLSCREEN,
 600         _NET_WM_STATE_HIDDEN,
 601         _NET_WM_STATE_MAXIMIZED_HORZ,
 602         _NET_WM_STATE_MAXIMIZED_VERT,
 603         _NET_WM_STATE_SKIP_PAGER,
 604         _NET_WM_STATE_SKIP_TASKBAR,
 605         _NET_WM_WINDOW_TYPE,
 606         _NET_WM_WINDOW_TYPE_DIALOG,
 607         _NET_WM_WINDOW_TYPE_DOCK,
 608         _NET_WM_WINDOW_TYPE_NORMAL,
 609         _NET_WM_WINDOW_TYPE_SPLASH,
 610         _NET_WM_WINDOW_TYPE_TOOLBAR,
 611         _NET_WM_WINDOW_TYPE_UTILITY,
 612         _SWM_WM_STATE_MANUAL,
 613         SWM_EWMH_HINT_MAX
 614 };
 615
 616 struct ewmh_hint {
 617         char            *name;
 618         xcb_atom_t      atom;
 619 } ewmh[SWM_EWMH_HINT_MAX] =     {
 620     /* must be in same order as in the enum */
 621     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 622     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 623     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 624     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 625     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 626     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 628     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 629     {"_NET_WM_STATE", XCB_ATOM_NONE},
 630     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 631     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 637     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 638     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 639     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 644     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 645 };
 646
 647 void             store_float_geom(struct ws_win *, struct swm_region *);
 648 int              floating_toggle_win(struct ws_win *);
 649 void             constrain_window(struct ws_win *, struct swm_region *, int);
 650 void             update_window(struct ws_win *);
 651 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 652 char            *get_win_name(xcb_window_t);
 653 xcb_atom_t       get_atom_from_string(const char *);
 654 void            map_window_raised(xcb_window_t);
 655 void            do_sync(void);
 656 xcb_screen_t    *get_screen(int);
 657 int             parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 658
 659 int
 660 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 661 {
 662         unsigned int    tmpr, tmpg, tmpb;
 663
 664         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 665                 return (-1);
 666
 667         *rr = tmpr << 8;
 668         *gg = tmpg << 8;
 669         *bb = tmpb << 8;
 670
 671         return (0);
 672 }
 673
 674 xcb_screen_t *
 675 get_screen(int screen)
 676 {
 677         xcb_screen_iterator_t i;
 678
 679         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 680         for (; i.rem; --screen, xcb_screen_next(&i))
 681                 if (screen == 0)
 682                         return (i.data);
 683
 684         return (NULL);
 685 }
 686
 687 void
 688 do_sync(void)
 689 {
 690         xcb_get_input_focus_cookie_t    c;
 691         xcb_get_input_focus_reply_t     *r;
 692
 693         /* mimic XSync() */
 694         c = xcb_get_input_focus(conn);
 695         xcb_flush(conn);
 696         r = xcb_get_input_focus_reply(conn, c, NULL);
 697         if (r)
 698                 free(r);
 699 }
 700
 701 void
 702 map_window_raised(xcb_window_t win)
 703 {
 704         uint32_t        val = XCB_STACK_MODE_ABOVE;
 705
 706         xcb_configure_window(conn, win,
 707                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 708
 709         xcb_map_window(conn, win);
 710         xcb_flush(conn);
 711 }
 712
 713 xcb_atom_t
 714 get_atom_from_string(const char *str)
 715 {
 716         xcb_intern_atom_cookie_t        c;
 717         xcb_intern_atom_reply_t         *r;
 718         xcb_atom_t                      atom;
 719
 720         c = xcb_intern_atom(conn, False, strlen(str), str);
 721         r = xcb_intern_atom_reply(conn, c, NULL);
 722         if (r) {
 723                 atom = r->atom;
 724                 free(r);
 725
 726                 return (atom);
 727         }
 728
 729         return (XCB_ATOM_NONE);
 730 }
 731
 732 void
 733 update_iconic(struct ws_win *win, int newv)
 734 {
 735         int32_t                         v = newv;
 736         xcb_atom_t                      iprop;
 737
 738         win->iconic = newv;
 739
 740         iprop = get_atom_from_string("_SWM_ICONIC");
 741         if (iprop == XCB_ATOM_NONE)
 742                 return;
 743
 744         if (newv)
 745                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 746                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 747         else
 748                 xcb_delete_property(conn, win->id, iprop);
 749 }
 750
 751 int32_t
 752 get_iconic(struct ws_win *win)
 753 {
 754         int32_t                         v = 0;
 755         xcb_atom_t                      iprop;
 756         xcb_get_property_reply_t        *pr = NULL;
 757
 758         iprop = get_atom_from_string("_SWM_ICONIC");
 759         if (iprop == XCB_ATOM_NONE)
 760                 goto out;
 761
 762         pr = xcb_get_property_reply(conn,
 763                 xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 764                         0, 1),
 765                 NULL);
 766         if (!pr)
 767                 goto out;
 768         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 769                 goto out;
 770         v = *((int32_t *)xcb_get_property_value(pr));
 771 out:
 772         if (pr)
 773                 free(pr);
 774         return (v);
 775 }
 776
 777 void
 778 setup_ewmh(void)
 779 {
 780         xcb_atom_t                      sup_list;
 781         int                             i, j, num_screens;
 782
 783         sup_list = get_atom_from_string("_NET_SUPPORTED");
 784
 785         for (i = 0; i < LENGTH(ewmh); i++)
 786                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 787
 788         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 789         for (i = 0; i < num_screens; i++) {
 790                 /* Support check window will be created by workaround(). */
 791
 792                 /* Report supported atoms */
 793                 xcb_delete_property(conn, screens[i].root, sup_list);
 794                 for (j = 0; j < LENGTH(ewmh); j++)
 795                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 796                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 797                                 &ewmh[j].atom);
 798         }
 799 }
 800
 801 void
 802 teardown_ewmh(void)
 803 {
 804         int                             i, num_screens;
 805         xcb_atom_t                      sup_check, sup_list;
 806         xcb_window_t                    id;
 807         xcb_get_property_cookie_t       pc;
 808         xcb_get_property_reply_t        *pr;
 809
 810         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 811         sup_list = get_atom_from_string("_NET_SUPPORTED");
 812         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 813
 814         for (i = 0; i < num_screens; i++) {
 815                 /* Get the support check window and destroy it */
 816                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 817                         XCB_ATOM_WINDOW, 0, 1);
 818                 pr = xcb_get_property_reply(conn, pc, NULL);
 819                 if (pr) {
 820                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 821
 822                         xcb_destroy_window(conn, id);
 823                         xcb_delete_property(conn, screens[i].root, sup_check);
 824                         xcb_delete_property(conn, screens[i].root, sup_list);
 825
 826                         free(pr);
 827                 }
 828         }
 829 }
 830
 831 void
 832 ewmh_autoquirk(struct ws_win *win)
 833 {
 834         int                     i;
 835         unsigned long           n;
 836         xcb_atom_t              type;
 837
 838         xcb_get_property_cookie_t       c;
 839         xcb_get_property_reply_t        *r;
 840
 841         c = xcb_get_property(conn, False, win->id,
 842                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 843         r = xcb_get_property_reply(conn, c, NULL);
 844         if (!r)
 845                 return;
 846         n = xcb_get_property_value_length(r);
 847
 848         for (i = 0; i < n; i++) {
 849                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 850                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 851                         break;
 852                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 853                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 854                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 855                         win->floating = 1;
 856                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 857                         break;
 858                 }
 859                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 860                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 861                         win->floating = 1;
 862                         win->quirks = SWM_Q_FLOAT;
 863                         break;
 864                 }
 865         }
 866         free(r);
 867 }
 868
 869 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 870 #define EWMH_F_FULLSCREEN               (1<<0)
 871 #define EWMH_F_ABOVE                    (1<<1)
 872 #define EWMH_F_HIDDEN                   (1<<2)
 873 #define EWMH_F_SKIP_PAGER               (1<<3)
 874 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 875 #define SWM_F_MANUAL                    (1<<5)
 876
 877 int
 878 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 879 {
 880         if (!win->ws->r)
 881                 return (0);
 882
 883         if (!win->floating)
 884                 return (0);
 885
 886         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 887             "fullscreen %s\n", win->id, YESNO(fs));
 888
 889         if (fs) {
 890                 if (!win->g_floatvalid)
 891                         store_float_geom(win, win->ws->r);
 892
 893                 win->g = win->ws->r->g;
 894                 win->bordered = 0;
 895         } else {
 896                 if (win->g_floatvalid) {
 897                         /* refloat at last floating relative position */
 898                         win->g = win->g_float;
 899                         X(win) += X(win->ws->r);
 900                         Y(win) += Y(win->ws->r);
 901                 }
 902         }
 903
 904         return (1);
 905 }
 906
 907 void
 908 ewmh_update_actions(struct ws_win *win)
 909 {
 910         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 911         int                     n = 0;
 912
 913         if (win == NULL)
 914                 return;
 915
 916         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 917
 918         if (win->floating) {
 919                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 920                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 921         }
 922
 923         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 924                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 925                 actions);
 926 }
 927
 928 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 929 #define _NET_WM_STATE_ADD       1    /* add/set property */
 930 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 931
 932 void
 933 ewmh_update_win_state(struct ws_win *win, long state, long action)
 934 {
 935         unsigned int            mask = 0;
 936         unsigned int            changed = 0;
 937         unsigned int            orig_flags;
 938
 939         if (win == NULL)
 940                 return;
 941
 942         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 943                 mask = EWMH_F_FULLSCREEN;
 944         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 945                 mask = EWMH_F_ABOVE;
 946         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 947                 mask = SWM_F_MANUAL;
 948         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 949                 mask = EWMH_F_SKIP_PAGER;
 950         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 951                 mask = EWMH_F_SKIP_TASKBAR;
 952
 953
 954         orig_flags = win->ewmh_flags;
 955
 956         switch (action) {
 957         case _NET_WM_STATE_REMOVE:
 958                 win->ewmh_flags &= ~mask;
 959                 break;
 960         case _NET_WM_STATE_ADD:
 961                 win->ewmh_flags |= mask;
 962                 break;
 963         case _NET_WM_STATE_TOGGLE:
 964                 win->ewmh_flags ^= mask;
 965                 break;
 966         }
 967
 968         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 969
 970         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 971                 if (changed)
 972                         if (!floating_toggle_win(win))
 973                                 win->ewmh_flags = orig_flags; /* revert */
 974         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 975                 if (changed)
 976                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 977         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 978                 if (changed)
 979                         if (!ewmh_set_win_fullscreen(win,
 980                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 981                                 win->ewmh_flags = orig_flags; /* revert */
 982
 983         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 984
 985         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 986                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 987                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 988                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 989         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 990                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 991                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 992                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 993         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 994                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 995                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 996                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 997         if (win->ewmh_flags & EWMH_F_ABOVE)
 998                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 999                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1000                         &ewmh[_NET_WM_STATE_ABOVE].atom);
1001         if (win->ewmh_flags & SWM_F_MANUAL)
1002                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1003                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1004                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
1005 }
1006
1007 void
1008 ewmh_get_win_state(struct ws_win *win)
1009 {
1010         xcb_atom_t                      *states;
1011         xcb_get_property_cookie_t       c;
1012         xcb_get_property_reply_t        *r;
1013         int                             i, n;
1014
1015         if (win == NULL)
1016                 return;
1017
1018         win->ewmh_flags = 0;
1019         if (win->floating)
1020                 win->ewmh_flags |= EWMH_F_ABOVE;
1021         if (win->manual)
1022                 win->ewmh_flags |= SWM_F_MANUAL;
1023
1024         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1025                 XCB_ATOM_ATOM, 0, (~0L));
1026         r = xcb_get_property_reply(conn, c, NULL);
1027         if (!r)
1028                 return;
1029
1030         states = xcb_get_property_value(r);
1031         n = xcb_get_property_value_length(r);
1032
1033         for (i = 0; i < n; i++)
1034                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1035
1036         free(r);
1037 }
1038
1039 /* events */
1040 #ifdef SWM_DEBUG
1041 char *
1042 geteventname(XEvent *e)
1043 {
1044         char                    *name = NULL;
1045
1046         switch (e->type) {
1047         case KeyPress:
1048                 name = "KeyPress";
1049                 break;
1050         case KeyRelease:
1051                 name = "KeyRelease";
1052                 break;
1053         case ButtonPress:
1054                 name = "ButtonPress";
1055                 break;
1056         case ButtonRelease:
1057                 name = "ButtonRelease";
1058                 break;
1059         case MotionNotify:
1060                 name = "MotionNotify";
1061                 break;
1062         case EnterNotify:
1063                 name = "EnterNotify";
1064                 break;
1065         case LeaveNotify:
1066                 name = "LeaveNotify";
1067                 break;
1068         case FocusIn:
1069                 name = "FocusIn";
1070                 break;
1071         case FocusOut:
1072                 name = "FocusOut";
1073                 break;
1074         case KeymapNotify:
1075                 name = "KeymapNotify";
1076                 break;
1077         case Expose:
1078                 name = "Expose";
1079                 break;
1080         case GraphicsExpose:
1081                 name = "GraphicsExpose";
1082                 break;
1083         case NoExpose:
1084                 name = "NoExpose";
1085                 break;
1086         case VisibilityNotify:
1087                 name = "VisibilityNotify";
1088                 break;
1089         case CreateNotify:
1090                 name = "CreateNotify";
1091                 break;
1092         case DestroyNotify:
1093                 name = "DestroyNotify";
1094                 break;
1095         case UnmapNotify:
1096                 name = "UnmapNotify";
1097                 break;
1098         case MapNotify:
1099                 name = "MapNotify";
1100                 break;
1101         case MapRequest:
1102                 name = "MapRequest";
1103                 break;
1104         case ReparentNotify:
1105                 name = "ReparentNotify";
1106                 break;
1107         case ConfigureNotify:
1108                 name = "ConfigureNotify";
1109                 break;
1110         case ConfigureRequest:
1111                 name = "ConfigureRequest";
1112                 break;
1113         case GravityNotify:
1114                 name = "GravityNotify";
1115                 break;
1116         case ResizeRequest:
1117                 name = "ResizeRequest";
1118                 break;
1119         case CirculateNotify:
1120                 name = "CirculateNotify";
1121                 break;
1122         case CirculateRequest:
1123                 name = "CirculateRequest";
1124                 break;
1125         case PropertyNotify:
1126                 name = "PropertyNotify";
1127                 break;
1128         case SelectionClear:
1129                 name = "SelectionClear";
1130                 break;
1131         case SelectionRequest:
1132                 name = "SelectionRequest";
1133                 break;
1134         case SelectionNotify:
1135                 name = "SelectionNotify";
1136                 break;
1137         case ColormapNotify:
1138                 name = "ColormapNotify";
1139                 break;
1140         case ClientMessage:
1141                 name = "ClientMessage";
1142                 break;
1143         case MappingNotify:
1144                 name = "MappingNotify";
1145                 break;
1146         default:
1147                 name = "Unknown";
1148         }
1149
1150         return (name);
1151 }
1152
1153 char *
1154 xrandr_geteventname(XEvent *e)
1155 {
1156         char                    *name = NULL;
1157
1158         switch(e->type - xrandr_eventbase) {
1159         case RRScreenChangeNotify:
1160                 name = "RRScreenChangeNotify";
1161                 break;
1162         default:
1163                 name = "Unknown";
1164         }
1165
1166         return (name);
1167 }
1168
1169 void
1170 dumpwins(struct swm_region *r, union arg *args)
1171 {
1172         struct ws_win                           *win;
1173         uint16_t                                state;
1174         xcb_get_window_attributes_cookie_t      c;
1175         xcb_get_window_attributes_reply_t       *wa;
1176
1177         if (r->ws == NULL) {
1178                 warnx("dumpwins: invalid workspace");
1179                 return;
1180         }
1181
1182         warnx("=== managed window list ws %02d ===", r->ws->idx);
1183         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1184                 state = getstate(win->id);
1185                 c = xcb_get_window_attributes(conn, win->id);
1186                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1187                 if (wa) {
1188                         warnx("window: 0x%x, map_state: %d, state: %u, "
1189                                 "transient: 0x%x", win->id, wa->map_state,
1190                                 state, win->transient);
1191                         free(wa);
1192                 } else
1193                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1194                             win->id);
1195         }
1196
1197         warnx("===== unmanaged window list =====");
1198         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1199                 state = getstate(win->id);
1200                 c = xcb_get_window_attributes(conn, win->id);
1201                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1202                 if (wa) {
1203                         warnx("window: 0x%x, map_state: %d, state: %u, "
1204                                 "transient: 0x%x", win->id, wa->map_state,
1205                                 state, win->transient);
1206                         free(wa);
1207                 } else
1208                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1209                             win->id);
1210         }
1211
1212         warnx("=================================");
1213 }
1214 #else
1215 void
1216 dumpwins(struct swm_region *r, union arg *args)
1217 {
1218 }
1219 #endif /* SWM_DEBUG */
1220
1221 void                    expose(XEvent *);
1222 void                    keypress(XEvent *);
1223 void                    buttonpress(XEvent *);
1224 void                    configurerequest(XEvent *);
1225 void                    configurenotify(XEvent *);
1226 void                    destroynotify(XEvent *);
1227 void                    enternotify(XEvent *);
1228 void                    focusevent(XEvent *);
1229 void                    mapnotify(XEvent *);
1230 void                    mappingnotify(XEvent *);
1231 void                    maprequest(XEvent *);
1232 void                    propertynotify(XEvent *);
1233 void                    unmapnotify(XEvent *);
1234 void                    visibilitynotify(XEvent *);
1235 void                    clientmessage(XEvent *);
1236
1237 void                    (*handler[LASTEvent])(XEvent *) = {
1238                                 [Expose] = expose,
1239                                 [KeyPress] = keypress,
1240                                 [ButtonPress] = buttonpress,
1241                                 [ConfigureRequest] = configurerequest,
1242                                 [ConfigureNotify] = configurenotify,
1243                                 [DestroyNotify] = destroynotify,
1244                                 [EnterNotify] = enternotify,
1245                                 [FocusIn] = focusevent,
1246                                 [FocusOut] = focusevent,
1247                                 [MapNotify] = mapnotify,
1248                                 [MappingNotify] = mappingnotify,
1249                                 [MapRequest] = maprequest,
1250                                 [PropertyNotify] = propertynotify,
1251                                 [UnmapNotify] = unmapnotify,
1252                                 [VisibilityNotify] = visibilitynotify,
1253                                 [ClientMessage] = clientmessage,
1254 };
1255
1256 void
1257 sighdlr(int sig)
1258 {
1259         int                     saved_errno, status;
1260         pid_t                   pid;
1261
1262         saved_errno = errno;
1263
1264         switch (sig) {
1265         case SIGCHLD:
1266                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1267                         if (pid == -1) {
1268                                 if (errno == EINTR)
1269                                         continue;
1270 #ifdef SWM_DEBUG
1271                                 if (errno != ECHILD)
1272                                         warn("sighdlr: waitpid");
1273 #endif /* SWM_DEBUG */
1274                                 break;
1275                         }
1276                         if (pid == searchpid)
1277                                 search_resp = 1;
1278
1279 #ifdef SWM_DEBUG
1280                         if (WIFEXITED(status)) {
1281                                 if (WEXITSTATUS(status) != 0)
1282                                         warnx("sighdlr: child exit status: %d",
1283                                             WEXITSTATUS(status));
1284                         } else
1285                                 warnx("sighdlr: child is terminated "
1286                                     "abnormally");
1287 #endif /* SWM_DEBUG */
1288                 }
1289                 break;
1290
1291         case SIGHUP:
1292                 restart_wm = 1;
1293                 break;
1294         case SIGINT:
1295         case SIGTERM:
1296         case SIGQUIT:
1297                 running = 0;
1298                 break;
1299         }
1300
1301         errno = saved_errno;
1302 }
1303
1304 struct pid_e *
1305 find_pid(long pid)
1306 {
1307         struct pid_e            *p = NULL;
1308
1309         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1310
1311         if (pid == 0)
1312                 return (NULL);
1313
1314         TAILQ_FOREACH(p, &pidlist, entry) {
1315                 if (p->pid == pid)
1316                         return (p);
1317         }
1318
1319         return (NULL);
1320 }
1321
1322 uint32_t
1323 name_to_color(const char *colorname)
1324 {
1325         uint32_t                        result = 0;
1326         char                            cname[32] = "#";
1327         xcb_screen_t                    *screen;
1328         xcb_colormap_t                  cmap;
1329         xcb_alloc_color_reply_t         *cr;
1330         xcb_alloc_named_color_reply_t   *nr;
1331         uint16_t                        rr, gg, bb;
1332
1333         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1334         cmap = screen->default_colormap;
1335
1336         /* color is in format rgb://rr/gg/bb */
1337         if (strncmp(colorname, "rgb:", 4) == 0) {
1338                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1339                         warnx("could not parse rgb %s", colorname);
1340                 else {
1341                         cr = xcb_alloc_color_reply(conn,
1342                                 xcb_alloc_color(conn, cmap, rr, gg, bb),
1343                                 NULL);
1344                         if (cr) {
1345                                 result = cr->pixel;
1346                                 free(cr);
1347                         } else
1348                                 warnx("color '%s' not found", colorname);
1349                 }
1350         } else {
1351                 nr = xcb_alloc_named_color_reply(conn,
1352                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1353                                 colorname),
1354                         NULL);
1355                 if (!nr) {
1356                         strlcat(cname, colorname + 2, sizeof cname - 1);
1357                         nr = xcb_alloc_named_color_reply(conn,
1358                                 xcb_alloc_named_color(conn, cmap, strlen(cname),
1359                                         cname),
1360                                 NULL);
1361                 }
1362                 if (nr) {
1363                         result = nr->pixel;
1364                         free(nr);
1365                 } else
1366                         warnx("color '%s' not found", colorname);
1367         }
1368
1369         return (result);
1370 }
1371
1372 void
1373 setscreencolor(char *val, int i, int c)
1374 {
1375         int     num_screens;
1376
1377         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1378         if (i > 0 && i <= num_screens) {
1379                 screens[i - 1].c[c].color = name_to_color(val);
1380                 free(screens[i - 1].c[c].name);
1381                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1382                         err(1, "strdup");
1383         } else if (i == -1) {
1384                 for (i = 0; i < num_screens; i++) {
1385                         screens[i].c[c].color = name_to_color(val);
1386                         free(screens[i].c[c].name);
1387                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1388                                 err(1, "strdup");
1389                 }
1390         } else
1391                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1392                     i, num_screens);
1393 }
1394
1395 void
1396 fancy_stacker(struct workspace *ws)
1397 {
1398         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1399         if (ws->cur_layout->l_stack == vertical_stack)
1400                 snprintf(ws->stacker, sizeof ws->stacker,
1401                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1402                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1403         if (ws->cur_layout->l_stack == horizontal_stack)
1404                 snprintf(ws->stacker, sizeof ws->stacker,
1405                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1406                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1407 }
1408
1409 void
1410 plain_stacker(struct workspace *ws)
1411 {
1412         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1413         if (ws->cur_layout->l_stack == vertical_stack)
1414                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1415                     sizeof ws->stacker);
1416         if (ws->cur_layout->l_stack == horizontal_stack)
1417                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1418                     sizeof ws->stacker);
1419 }
1420
1421 void
1422 custom_region(char *val)
1423 {
1424         unsigned int                    sidx, x, y, w, h;
1425         int                             num_screens;
1426         xcb_screen_t                    *screen;
1427
1428         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1429         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1430                 errx(1, "invalid custom region, "
1431                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1432         if (sidx < 1 || sidx > num_screens)
1433                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1434                     sidx, num_screens);
1435         sidx--;
1436
1437         screen = get_screen(sidx);
1438         if (w < 1 || h < 1)
1439                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1440
1441         if (x > screen->width_in_pixels ||
1442             y > screen->height_in_pixels ||
1443             w + x > screen->width_in_pixels ||
1444             h + y > screen->height_in_pixels) {
1445                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1446                     "boundaries (%ux%u)", w, h, x, y,
1447                     screen->width_in_pixels, screen->height_in_pixels);
1448                 return;
1449         }
1450
1451         new_region(&screens[sidx], x, y, w, h);
1452 }
1453
1454 void
1455 socket_setnonblock(int fd)
1456 {
1457         int                     flags;
1458
1459         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1460                 err(1, "fcntl F_GETFL");
1461         flags |= O_NONBLOCK;
1462         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1463                 err(1, "fcntl F_SETFL");
1464 }
1465
1466 void
1467 bar_print(struct swm_region *r, const char *s)
1468 {
1469         int                     x = 0;
1470         size_t                  len;
1471         xcb_rectangle_t         rect;
1472         uint32_t                gcv[1];
1473         XRectangle              ibox, lbox;
1474
1475         len = strlen(s);
1476         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1477
1478         switch (bar_justify) {
1479         case SWM_BAR_JUSTIFY_LEFT:
1480                 x = SWM_BAR_OFFSET;
1481                 break;
1482         case SWM_BAR_JUSTIFY_CENTER:
1483                 x = (WIDTH(r) - lbox.width) / 2;
1484                 break;
1485         case SWM_BAR_JUSTIFY_RIGHT:
1486                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1487                 break;
1488         }
1489
1490         if (x < SWM_BAR_OFFSET)
1491                 x = SWM_BAR_OFFSET;
1492
1493         rect.x = 0;
1494         rect.y = 0;
1495         rect.width = WIDTH(r->bar);
1496         rect.height = HEIGHT(r->bar);
1497
1498         /* clear back buffer */
1499         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1500         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1501         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1502                 sizeof(rect), &rect);
1503
1504         /* draw back buffer */
1505         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1506         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1507         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1508                 (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1509                 lbox.y, s);
1510
1511         /* blt */
1512         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1513                 0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1514 }
1515
1516 void
1517 bar_extra_stop(void)
1518 {
1519         if (bar_pipe[0]) {
1520                 close(bar_pipe[0]);
1521                 bzero(bar_pipe, sizeof bar_pipe);
1522         }
1523         if (bar_pid) {
1524                 kill(bar_pid, SIGTERM);
1525                 bar_pid = 0;
1526         }
1527         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1528         bar_extra = 0;
1529 }
1530
1531 void
1532 bar_class_name(char *s, size_t sz, struct swm_region *r)
1533 {
1534         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1535                 return;
1536         if (r->ws->focus->ch.class_name != NULL)
1537                 strlcat(s, r->ws->focus->ch.class_name, sz);
1538 }
1539
1540 void
1541 bar_title_name(char *s, size_t sz, struct swm_region *r)
1542 {
1543         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1544                 return;
1545         if (r->ws->focus->ch.instance_name != NULL)
1546                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1547 }
1548
1549 void
1550 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1551 {
1552         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1553                 return;
1554
1555         bar_class_name(s, sz, r);
1556         strlcat(s, ":", sz);
1557         bar_title_name(s, sz, r);
1558 }
1559
1560 void
1561 bar_window_float(char *s, size_t sz, struct swm_region *r)
1562 {
1563         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1564                 return;
1565         if (r->ws->focus->floating)
1566                 strlcat(s, "(f)", sz);
1567 }
1568
1569 void
1570 bar_window_name(char *s, size_t sz, struct swm_region *r)
1571 {
1572         char            *title;
1573
1574         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1575                 return;
1576         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1577                 return;
1578
1579         strlcat(s, title, sz);
1580         free(title);
1581 }
1582
1583 int             urgent[SWM_WS_MAX];
1584 void
1585 bar_urgent(char *s, size_t sz)
1586 {
1587         struct ws_win           *win;
1588         int                     i, j, num_screens;
1589         char                    b[8];
1590         xcb_get_property_cookie_t       c;
1591         xcb_icccm_wm_hints_t    hints;
1592
1593         for (i = 0; i < workspace_limit; i++)
1594                 urgent[i] = 0;
1595
1596         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1597         for (i = 0; i < num_screens; i++)
1598                 for (j = 0; j < workspace_limit; j++)
1599                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1600                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1601                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1602                                                 &hints, NULL) == 0)
1603                                         continue;
1604                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1605                                         urgent[j] = 1;
1606                         }
1607
1608         for (i = 0; i < workspace_limit; i++) {
1609                 if (urgent[i])
1610                         snprintf(b, sizeof b, "%d ", i + 1);
1611                 else
1612                         snprintf(b, sizeof b, "- ");
1613                 strlcat(s, b, sz);
1614         }
1615 }
1616
1617 void
1618 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1619 {
1620         if (r == NULL || r->ws == NULL)
1621                 return;
1622         if (r->ws->name != NULL)
1623                 strlcat(s, r->ws->name, sz);
1624 }
1625
1626 /* build the default bar format according to the defined enabled options */
1627 void
1628 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1629 {
1630         /* if format provided, just copy the buffers */
1631         if (bar_format != NULL) {
1632                 strlcpy(fmtnew, fmtexp, sz);
1633                 return;
1634         }
1635
1636         /* reset the output buffer */
1637         *fmtnew = '\0';
1638
1639         strlcat(fmtnew, "+N:+I ", sz);
1640         if (stack_enabled)
1641                 strlcat(fmtnew, "+S", sz);
1642         strlcat(fmtnew, " ", sz);
1643
1644         /* only show the workspace name if there's actually one */
1645         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1646                 strlcat(fmtnew, "<+D>", sz);
1647         strlcat(fmtnew, "+3<", sz);
1648
1649         if (clock_enabled) {
1650                 strlcat(fmtnew, fmtexp, sz);
1651                 strlcat(fmtnew, "+4<", sz);
1652         }
1653
1654         /* bar_urgent already adds the space before the last asterisk */
1655         if (urgent_enabled)
1656                 strlcat(fmtnew, "* +U*+4<", sz);
1657
1658         if (title_class_enabled) {
1659                 strlcat(fmtnew, "+C", sz);
1660                 if (title_name_enabled == 0)
1661                         strlcat(fmtnew, "+4<", sz);
1662         }
1663
1664         /* checks needed by the colon and floating strlcat(3) calls below */
1665         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1666                 if (title_name_enabled) {
1667                         if (title_class_enabled)
1668                                 strlcat(fmtnew, ":", sz);
1669                         strlcat(fmtnew, "+T+4<", sz);
1670                 }
1671                 if (window_name_enabled) {
1672                         if (r->ws->focus->floating)
1673                                 strlcat(fmtnew, "+F ", sz);
1674                         strlcat(fmtnew, "+64W ", sz);
1675                 }
1676         }
1677
1678         /* finally add the action script output and the version */
1679         strlcat(fmtnew, "+4<+A+4<+V", sz);
1680 }
1681
1682 void
1683 bar_replace_pad(char *tmp, int *limit, size_t sz)
1684 {
1685         /* special case; no limit given, pad one space, instead */
1686         if (*limit == sz - 1)
1687                 *limit = 1;
1688         snprintf(tmp, sz, "%*s", *limit, " ");
1689 }
1690
1691 /* replaces the bar format character sequences (like in tmux(1)) */
1692 char *
1693 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1694     size_t sz)
1695 {
1696         char                    *ptr;
1697         char                    tmp[SWM_BAR_MAX];
1698         int                     limit, size;
1699         size_t                  len;
1700
1701         /* reset strlcat(3) buffer */
1702         *tmp = '\0';
1703
1704         /* get number, if any */
1705         fmt++;
1706         size = 0;
1707         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1708                 limit = sizeof tmp - 1;
1709         if (limit <= 0 || limit >= sizeof tmp)
1710                 limit = sizeof tmp - 1;
1711
1712         /* there is nothing to replace (ie EOL) */
1713         fmt += size;
1714         if (*fmt == '\0')
1715                 return (fmt);
1716
1717         switch (*fmt) {
1718         case '<':
1719                 bar_replace_pad(tmp, &limit, sizeof tmp);
1720                 break;
1721         case 'A':
1722                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1723                 break;
1724         case 'C':
1725                 bar_class_name(tmp, sizeof tmp, r);
1726                 break;
1727         case 'D':
1728                 bar_workspace_name(tmp, sizeof tmp, r);
1729                 break;
1730         case 'F':
1731                 bar_window_float(tmp, sizeof tmp, r);
1732                 break;
1733         case 'I':
1734                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1735                 break;
1736         case 'N':
1737                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1738                 break;
1739         case 'P':
1740                 bar_class_title_name(tmp, sizeof tmp, r);
1741                 break;
1742         case 'S':
1743                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1744                 break;
1745         case 'T':
1746                 bar_title_name(tmp, sizeof tmp, r);
1747                 break;
1748         case 'U':
1749                 bar_urgent(tmp, sizeof tmp);
1750                 break;
1751         case 'V':
1752                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1753                 break;
1754         case 'W':
1755                 bar_window_name(tmp, sizeof tmp, r);
1756                 break;
1757         default:
1758                 /* unknown character sequence; copy as-is */
1759                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1760                 break;
1761         }
1762
1763         len = strlen(tmp);
1764         ptr = tmp;
1765         if (len < limit)
1766                 limit = len;
1767         while (limit-- > 0) {
1768                 if (*offrep >= sz - 1)
1769                         break;
1770                 fmtrep[(*offrep)++] = *ptr++;
1771         }
1772
1773         fmt++;
1774         return (fmt);
1775 }
1776
1777 void
1778 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1779 {
1780         size_t                  off;
1781
1782         off = 0;
1783         while (*fmt != '\0') {
1784                 if (*fmt != '+') {
1785                         /* skip ordinary characters */
1786                         if (off >= sz - 1)
1787                                 break;
1788                         fmtrep[off++] = *fmt++;
1789                         continue;
1790                 }
1791
1792                 /* character sequence found; replace it */
1793                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1794                 if (off >= sz - 1)
1795                         break;
1796         }
1797
1798         fmtrep[off] = '\0';
1799 }
1800
1801 void
1802 bar_fmt_expand(char *fmtexp, size_t sz)
1803 {
1804         char                    *fmt = NULL;
1805         size_t                  len;
1806         struct tm               tm;
1807         time_t                  tmt;
1808
1809         /* start by grabbing the current time and date */
1810         time(&tmt);
1811         localtime_r(&tmt, &tm);
1812
1813         /* figure out what to expand */
1814         if (bar_format != NULL)
1815                 fmt = bar_format;
1816         else if (bar_format == NULL && clock_enabled)
1817                 fmt = clock_format;
1818         /* if nothing to expand bail out */
1819         if (fmt == NULL) {
1820                 *fmtexp = '\0';
1821                 return;
1822         }
1823
1824         /* copy as-is, just in case the format shouldn't be expanded below */
1825         strlcpy(fmtexp, fmt, sz);
1826         /* finally pass the string through strftime(3) */
1827 #ifndef SWM_DENY_CLOCK_FORMAT
1828         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1829                 warnx("format too long");
1830         fmtexp[len] = '\0';
1831 #endif
1832 }
1833
1834 void
1835 bar_fmt_print(void)
1836 {
1837         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1838         char                    fmtrep[SWM_BAR_MAX];
1839         int                     i, num_screens;
1840         struct swm_region       *r;
1841
1842         /* expand the format by first passing it through strftime(3) */
1843         bar_fmt_expand(fmtexp, sizeof fmtexp);
1844
1845         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1846         for (i = 0; i < num_screens; i++) {
1847                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1848                         if (r->bar == NULL)
1849                                 continue;
1850                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1851                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1852                         bar_print(r, fmtrep);
1853                 }
1854         }
1855 }
1856
1857 void
1858 bar_update(void)
1859 {
1860         size_t                  len;
1861         char                    *b;
1862
1863         if (bar_enabled == 0)
1864                 return;
1865         if (bar_extra && bar_extra_running) {
1866                 /* ignore short reads; it'll correct itself */
1867                 while ((b = fgetln(stdin, &len)) != NULL)
1868                         if (b && b[len - 1] == '\n') {
1869                                 b[len - 1] = '\0';
1870                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1871                         }
1872                 if (b == NULL && errno != EAGAIN) {
1873                         warn("bar_update: bar_extra failed");
1874                         bar_extra_stop();
1875                 }
1876         } else
1877                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1878
1879         bar_fmt_print();
1880         alarm(bar_delay);
1881 }
1882
1883 void
1884 bar_signal(int sig)
1885 {
1886         bar_alarm = 1;
1887 }
1888
1889 void
1890 bar_toggle(struct swm_region *r, union arg *args)
1891 {
1892         struct swm_region       *tmpr;
1893         int                     i, num_screens;
1894
1895         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1896
1897         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1898         if (bar_enabled) {
1899                 for (i = 0; i < num_screens; i++)
1900                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1901                                 if (tmpr->bar)
1902                                         xcb_unmap_window(conn, tmpr->bar->id);
1903         } else {
1904                 for (i = 0; i < num_screens; i++)
1905                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1906                                 if (tmpr->bar)
1907                                         map_window_raised(tmpr->bar->id);
1908         }
1909
1910         bar_enabled = !bar_enabled;
1911
1912         stack();
1913         /* must be after stack */
1914         bar_update();
1915 }
1916
1917 void
1918 bar_refresh(void)
1919 {
1920         struct swm_region       *r;
1921         uint32_t                wa[2];
1922         int                     i, num_screens;
1923
1924         /* do this here because the conf file is in memory */
1925         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1926                 /* launch external status app */
1927                 bar_extra_running = 1;
1928                 if (pipe(bar_pipe) == -1)
1929                         err(1, "pipe error");
1930                 socket_setnonblock(bar_pipe[0]);
1931                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1932                 if (dup2(bar_pipe[0], 0) == -1)
1933                         err(1, "dup2");
1934                 if (dup2(bar_pipe[1], 1) == -1)
1935                         err(1, "dup2");
1936                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1937                         err(1, "could not disable SIGPIPE");
1938                 switch (bar_pid = fork()) {
1939                 case -1:
1940                         err(1, "cannot fork");
1941                         break;
1942                 case 0: /* child */
1943                         close(bar_pipe[0]);
1944                         execvp(bar_argv[0], bar_argv);
1945                         err(1, "%s external app failed", bar_argv[0]);
1946                         break;
1947                 default: /* parent */
1948                         close(bar_pipe[1]);
1949                         break;
1950                 }
1951         }
1952
1953         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1954         for (i = 0; i < num_screens; i++)
1955                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1956                         if (r->bar == NULL)
1957                                 continue;
1958                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1959                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1960                         xcb_change_window_attributes(conn, r->bar->id,
1961                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1962                 }
1963         bar_update();
1964 }
1965
1966 void
1967 bar_setup(struct swm_region *r)
1968 {
1969         char                    *default_string;
1970         char                    **missing_charsets;
1971         int                     num_missing_charsets = 0;
1972         int                     i;
1973         xcb_screen_t            *screen = get_screen(r->s->idx);
1974         uint32_t                wa[2];
1975
1976         if (bar_fs) {
1977                 XFreeFontSet(display, bar_fs);
1978                 bar_fs = NULL;
1979         }
1980
1981         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1982                 err(1, "bar_setup: calloc: failed to allocate memory.");
1983
1984         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1985
1986         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1987             &num_missing_charsets, &default_string);
1988
1989         if (num_missing_charsets > 0) {
1990                 warnx("Unable to load charset(s):");
1991
1992                 for (i = 0; i < num_missing_charsets; ++i)
1993                         warnx("%s", missing_charsets[i]);
1994
1995                 XFreeStringList(missing_charsets);
1996
1997                 if (strcmp(default_string, ""))
1998                         warnx("Glyphs from those sets will be replaced "
1999                             "by '%s'.", default_string);
2000                 else
2001                         warnx("Glyphs from those sets won't be drawn.");
2002         }
2003
2004         if (bar_fs == NULL)
2005                 errx(1, "Error creating font set structure.");
2006
2007         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2008
2009         bar_height = bar_fs_extents->max_logical_extent.height +
2010             2 * bar_border_width;
2011
2012         if (bar_height < 1)
2013                 bar_height = 1;
2014
2015         X(r->bar) = X(r);
2016         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2017         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2018         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2019
2020         r->bar->id = xcb_generate_id(conn);
2021         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
2022         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
2023         xcb_create_window(conn, screen->root_depth, r->bar->id, r->s->root,
2024                 X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2025                 bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2026                 screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL,
2027                 wa);
2028
2029         r->bar->buffer = xcb_generate_id(conn);
2030         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2031                 WIDTH(r->bar), HEIGHT(r->bar));
2032
2033         xcb_randr_select_input(conn, r->bar->id,
2034                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2035
2036         if (bar_enabled)
2037                 map_window_raised(r->bar->id);
2038
2039         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2040             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2041             HEIGHT(r->bar));
2042
2043         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2044                 err(1, "could not install bar_signal");
2045         bar_refresh();
2046 }
2047
2048 void
2049 bar_cleanup(struct swm_region *r)
2050 {
2051         if (r->bar == NULL)
2052                 return;
2053         xcb_destroy_window(conn, r->bar->id);
2054         xcb_free_pixmap(conn, r->bar->buffer);
2055         free(r->bar);
2056         r->bar = NULL;
2057 }
2058
2059 void
2060 drain_enter_notify(void)
2061 {
2062         int                     i = 0;
2063         XEvent                  cne;
2064
2065         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
2066                 i++;
2067
2068         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
2069 }
2070
2071 void
2072 set_win_state(struct ws_win *win, uint16_t state)
2073 {
2074         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2075
2076         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2077
2078         if (win == NULL)
2079                 return;
2080
2081         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2082                 astate, 32, 2, data);
2083 }
2084
2085 uint16_t
2086 getstate(xcb_window_t w)
2087 {
2088         uint16_t                        result = 0;
2089         xcb_get_property_cookie_t       c;
2090         xcb_get_property_reply_t        *r;
2091
2092         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2093         r = xcb_get_property_reply(conn, c, NULL);
2094
2095         if (r) {
2096                 result = *((uint16_t *)xcb_get_property_value(r));
2097                 free(r);
2098         }
2099
2100         return (result);
2101 }
2102
2103 void
2104 version(struct swm_region *r, union arg *args)
2105 {
2106         bar_version = !bar_version;
2107         if (bar_version)
2108                 snprintf(bar_vertext, sizeof bar_vertext,
2109                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2110         else
2111                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2112         bar_update();
2113 }
2114
2115 void
2116 client_msg(struct ws_win *win, xcb_atom_t a)
2117 {
2118         xcb_client_message_event_t      ev;
2119
2120         if (win == NULL)
2121                 return;
2122
2123         bzero(&ev, sizeof ev);
2124         ev.response_type = XCB_CLIENT_MESSAGE;
2125         ev.window = win->id;
2126         ev.type = aprot;
2127         ev.format = 32;
2128         ev.data.data32[0] = a;
2129         ev.data.data32[1] = XCB_CURRENT_TIME;
2130
2131         xcb_send_event(conn, False, win->id,
2132                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2133         xcb_flush(conn);
2134 }
2135
2136 /* synthetic response to a ConfigureRequest when not making a change */
2137 void
2138 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2139 {
2140         xcb_configure_notify_event_t ce;
2141
2142         if (win == NULL)
2143                 return;
2144
2145         /* send notification of unchanged state. */
2146         bzero(&ce, sizeof(ce));
2147         ce.response_type = XCB_CONFIGURE_NOTIFY;
2148         ce.x = X(win);
2149         ce.y = Y(win);
2150         ce.width = WIDTH(win);
2151         ce.height = HEIGHT(win);
2152         ce.override_redirect = False;
2153
2154         if (ev == NULL) {
2155                 /* EWMH */
2156                 ce.event = win->id;
2157                 ce.window = win->id;
2158                 ce.border_width = BORDER(win);
2159                 ce.above_sibling = XCB_WINDOW_NONE;
2160         } else {
2161                 /* normal */
2162                 ce.event = ev->window;
2163                 ce.window = ev->window;
2164
2165                 /* make response appear more WM_SIZE_HINTS-compliant */
2166                 if (win->sh.flags)
2167                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2168                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2169                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2170                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2171                             SH_INC_W(win), SH_INC_H(win));
2172
2173                 /* min size */
2174                 if (SH_MIN(win)) {
2175                         /* the hint may be set... to 0! */
2176                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2177                                 ce.width = SH_MIN_W(win);
2178                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2179                                 ce.height = SH_MIN_H(win);
2180                 }
2181
2182                 /* max size */
2183                 if (SH_MAX(win)) {
2184                         /* may also be advertized as 0 */
2185                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2186                                 ce.width = SH_MAX_W(win);
2187                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2188                                 ce.height = SH_MAX_H(win);
2189                 }
2190
2191                 /* resize increment. */
2192                 if (SH_INC(win)) {
2193                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2194                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2195                                     SH_INC_W(win);
2196                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2197                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2198                                     SH_INC_H(win);
2199                 }
2200
2201                 /* adjust x and y for requested border_width. */
2202                 ce.x += BORDER(win) - ev->border_width;
2203                 ce.y += BORDER(win) - ev->border_width;
2204                 ce.border_width = ev->border_width;
2205                 ce.above_sibling = ev->above;
2206         }
2207
2208         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2209             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2210             ce.y, ce.width, ce.height, ce.border_width);
2211
2212         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2213                 (char *)&ce);
2214         xcb_flush(conn);
2215 }
2216
2217 int
2218 count_win(struct workspace *ws, int count_transient)
2219 {
2220         struct ws_win           *win;
2221         int                     count = 0;
2222
2223         TAILQ_FOREACH(win, &ws->winlist, entry) {
2224                 if (count_transient == 0 && win->floating)
2225                         continue;
2226                 if (count_transient == 0 && win->transient)
2227                         continue;
2228                 if (win->iconic)
2229                         continue;
2230                 count++;
2231         }
2232         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2233
2234         return (count);
2235 }
2236
2237 void
2238 quit(struct swm_region *r, union arg *args)
2239 {
2240         DNPRINTF(SWM_D_MISC, "quit\n");
2241         running = 0;
2242 }
2243
2244 void
2245 unmap_window(struct ws_win *win)
2246 {
2247         if (win == NULL)
2248                 return;
2249
2250         /* don't unmap again */
2251         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2252                 return;
2253
2254         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2255
2256         xcb_unmap_window(conn, win->id);
2257         xcb_change_window_attributes(conn, win->id,
2258                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2259 }
2260
2261 void
2262 unmap_all(void)
2263 {
2264         struct ws_win           *win;
2265         int                     i, j, num_screens;
2266
2267         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2268         for (i = 0; i < num_screens; i++)
2269                 for (j = 0; j < workspace_limit; j++)
2270                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2271                                 unmap_window(win);
2272 }
2273
2274 void
2275 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2276 {
2277         xcb_key_press_event_t   event;
2278         xcb_keycode_t           *keycode;
2279
2280         if (win == NULL)
2281                 return;
2282
2283         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2284
2285         event.event = win->id;
2286         event.root = win->s->root;
2287         event.child = XCB_WINDOW_NONE;
2288         event.time = XCB_CURRENT_TIME;
2289         event.event_x = X(win);
2290         event.event_y = Y(win);
2291         event.root_x = 1;
2292         event.root_y = 1;
2293         event.same_screen = True;
2294         event.detail = *keycode;
2295         event.state = modifiers;
2296
2297         event.response_type = XCB_KEY_PRESS;
2298         xcb_send_event(conn, True, win->id,
2299                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2300
2301         event.response_type = XCB_KEY_RELEASE;
2302         xcb_send_event(conn, True, win->id,
2303                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2304         xcb_flush(conn);
2305 }
2306
2307 void
2308 restart(struct swm_region *r, union arg *args)
2309 {
2310         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2311
2312         /* disable alarm because the following code may not be interrupted */
2313         alarm(0);
2314         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2315                 err(1, "can't disable alarm");
2316
2317         bar_extra_stop();
2318         bar_extra = 1;
2319         unmap_all();
2320
2321         xcb_key_symbols_free(syms);
2322         xcb_flush(conn);
2323         xcb_disconnect(conn);
2324
2325         execvp(start_argv[0], start_argv);
2326         warn("execvp failed");
2327         quit(NULL, NULL);
2328 }
2329
2330 struct swm_region *
2331 root_to_region(xcb_window_t root)
2332 {
2333         struct swm_region       *r = NULL;
2334         int                     i, num_screens;
2335         xcb_query_pointer_reply_t       *qpr;
2336
2337         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2338
2339         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2340         for (i = 0; i < num_screens; i++)
2341                 if (screens[i].root == root)
2342                         break;
2343
2344         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2345                 screens[i].root), NULL);
2346
2347         if (qpr) {
2348                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2349                     qpr->root_x, qpr->root_y);
2350                 /* choose a region based on pointer location */
2351                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2352                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2353                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2354                                 break;
2355                 free(qpr);
2356         }
2357
2358         if (r == NULL)
2359                 r = TAILQ_FIRST(&screens[i].rl);
2360
2361         return (r);
2362 }
2363
2364 struct ws_win *
2365 find_unmanaged_window(xcb_window_t id)
2366 {
2367         struct ws_win           *win;
2368         int                     i, j, num_screens;
2369
2370         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2371         for (i = 0; i < num_screens; i++)
2372                 for (j = 0; j < workspace_limit; j++)
2373                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2374                             entry)
2375                                 if (id == win->id)
2376                                         return (win);
2377         return (NULL);
2378 }
2379
2380 struct ws_win *
2381 find_window(xcb_window_t id)
2382 {
2383         struct ws_win           *win;
2384         int                     i, j, num_screens;
2385         xcb_query_tree_cookie_t c;
2386         xcb_query_tree_reply_t  *r;
2387
2388         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2389         for (i = 0; i < num_screens; i++)
2390                 for (j = 0; j < workspace_limit; j++)
2391                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2392                                 if (id == win->id)
2393                                         return (win);
2394
2395         c = xcb_query_tree(conn, id);
2396         r = xcb_query_tree_reply(conn, c, NULL);
2397         if (!r)
2398                 return (NULL);
2399
2400         /* if we were looking for the parent return that window instead */
2401         if (r->parent == 0 || r->root == r->parent)
2402                 return (NULL);
2403
2404         /* look for parent */
2405         for (i = 0; i < num_screens; i++)
2406                 for (j = 0; j < workspace_limit; j++)
2407                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2408                                 if (r->parent == win->id) {
2409                                         free(r);
2410                                         return (win);
2411                                 }
2412
2413         free(r);
2414         return (NULL);
2415 }
2416
2417 void
2418 spawn(int ws_idx, union arg *args, int close_fd)
2419 {
2420         int                     fd;
2421         char                    *ret = NULL;
2422
2423         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2424
2425         if (display)
2426                 close(xcb_get_file_descriptor(conn));
2427
2428         setenv("LD_PRELOAD", SWM_LIB, 1);
2429
2430         if (asprintf(&ret, "%d", ws_idx) == -1) {
2431                 warn("spawn: asprintf SWM_WS");
2432                 _exit(1);
2433         }
2434         setenv("_SWM_WS", ret, 1);
2435         free(ret);
2436         ret = NULL;
2437
2438         if (asprintf(&ret, "%d", getpid()) == -1) {
2439                 warn("spawn: asprintf _SWM_PID");
2440                 _exit(1);
2441         }
2442         setenv("_SWM_PID", ret, 1);
2443         free(ret);
2444         ret = NULL;
2445
2446         if (setsid() == -1) {
2447                 warn("spawn: setsid");
2448                 _exit(1);
2449         }
2450
2451         if (close_fd) {
2452                 /*
2453                  * close stdin and stdout to prevent interaction between apps
2454                  * and the baraction script
2455                  * leave stderr open to record errors
2456                 */
2457                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2458                         warn("spawn: open");
2459                         _exit(1);
2460                 }
2461                 dup2(fd, STDIN_FILENO);
2462                 dup2(fd, STDOUT_FILENO);
2463                 if (fd > 2)
2464                         close(fd);
2465         }
2466
2467         execvp(args->argv[0], args->argv);
2468
2469         warn("spawn: execvp");
2470         _exit(1);
2471 }
2472
2473 void
2474 kill_refs(struct ws_win *win)
2475 {
2476         int                     i, x, num_screens;
2477         struct swm_region       *r;
2478         struct workspace        *ws;
2479
2480         if (win == NULL)
2481                 return;
2482
2483         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2484         for (i = 0; i < num_screens; i++)
2485                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2486                         for (x = 0; x < workspace_limit; x++) {
2487                                 ws = &r->s->ws[x];
2488                                 if (win == ws->focus)
2489                                         ws->focus = NULL;
2490                                 if (win == ws->focus_prev)
2491                                         ws->focus_prev = NULL;
2492                         }
2493 }
2494
2495 int
2496 validate_win(struct ws_win *testwin)
2497 {
2498         struct ws_win           *win;
2499         struct workspace        *ws;
2500         struct swm_region       *r;
2501         int                     i, x, num_screens;
2502
2503         if (testwin == NULL)
2504                 return (0);
2505
2506         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2507         for (i = 0; i < num_screens; i++)
2508                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2509                         for (x = 0; x < workspace_limit; x++) {
2510                                 ws = &r->s->ws[x];
2511                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2512                                         if (win == testwin)
2513                                                 return (0);
2514                         }
2515         return (1);
2516 }
2517
2518 int
2519 validate_ws(struct workspace *testws)
2520 {
2521         struct swm_region       *r;
2522         struct workspace        *ws;
2523         int                     i, x, num_screens;
2524
2525         /* validate all ws */
2526         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2527         for (i = 0; i < num_screens; i++)
2528                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2529                         for (x = 0; x < workspace_limit; x++) {
2530                                 ws = &r->s->ws[x];
2531                                 if (ws == testws)
2532                                         return (0);
2533                         }
2534         return (1);
2535 }
2536
2537 void
2538 unfocus_win(struct ws_win *win)
2539 {
2540         XEvent                  cne;
2541         xcb_window_t            none = XCB_WINDOW_NONE;
2542
2543         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2544
2545         if (win == NULL)
2546                 return;
2547         if (win->ws == NULL)
2548                 return;
2549
2550         if (validate_ws(win->ws))
2551                 return; /* XXX this gets hit with thunderbird, needs fixing */
2552
2553         if (win->ws->r == NULL)
2554                 return;
2555
2556         if (validate_win(win)) {
2557                 kill_refs(win);
2558                 return;
2559         }
2560
2561         if (win->ws->focus == win) {
2562                 win->ws->focus = NULL;
2563                 win->ws->focus_prev = win;
2564         }
2565
2566         if (validate_win(win->ws->focus)) {
2567                 kill_refs(win->ws->focus);
2568                 win->ws->focus = NULL;
2569         }
2570         if (validate_win(win->ws->focus_prev)) {
2571                 kill_refs(win->ws->focus_prev);
2572                 win->ws->focus_prev = NULL;
2573         }
2574
2575         /* drain all previous unfocus events */
2576         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2577                 ;
2578
2579         grabbuttons(win, 0);
2580         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2581                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2582         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2583                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2584                 &none);
2585 }
2586
2587 void
2588 unfocus_all(void)
2589 {
2590         struct ws_win           *win;
2591         int                     i, j, num_screens;
2592
2593         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2594
2595         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2596         for (i = 0; i < num_screens; i++)
2597                 for (j = 0; j < workspace_limit; j++)
2598                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2599                                 unfocus_win(win);
2600 }
2601
2602 void
2603 focus_win(struct ws_win *win)
2604 {
2605         XEvent                  cne;
2606         struct ws_win           *cfw = NULL;
2607         xcb_get_input_focus_cookie_t    c;
2608         xcb_get_input_focus_reply_t     *r;
2609         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2610
2611         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2612
2613         if (win == NULL)
2614                 return;
2615         if (win->ws == NULL)
2616                 return;
2617
2618         if (validate_ws(win->ws))
2619                 return; /* XXX this gets hit with thunderbird, needs fixing */
2620
2621         if (validate_win(win)) {
2622                 kill_refs(win);
2623                 return;
2624         }
2625
2626         if (validate_win(win)) {
2627                 kill_refs(win);
2628                 return;
2629         }
2630
2631         c = xcb_get_input_focus(conn);
2632         r = xcb_get_input_focus_reply(conn, c, NULL);
2633         if (r) {
2634                 cur_focus = r->focus;
2635                 free(r);
2636         }
2637         if ((cfw = find_window(cur_focus)) != NULL)
2638                 unfocus_win(cfw);
2639         else {
2640                 /* use larger hammer since the window was killed somehow */
2641                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2642                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2643                                 xcb_change_window_attributes(conn, cfw->id,
2644                                         XCB_CW_BORDER_PIXEL,
2645                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2646         }
2647
2648         win->ws->focus = win;
2649
2650         if (win->ws->r != NULL) {
2651                 /* drain all previous focus events */
2652                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2653                         ;
2654
2655                 if (win->java == 0)
2656                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2657                                 win->id, XCB_CURRENT_TIME);
2658                 grabbuttons(win, 1);
2659                 xcb_change_window_attributes(conn, win->id,
2660                         XCB_CW_BORDER_PIXEL,
2661                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2662                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2663                     win->ws->always_raise)
2664                         map_window_raised(win->id);
2665
2666                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2667                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2668                         &win->id);
2669         }
2670
2671         bar_update();
2672 }
2673
2674 void
2675 switchws(struct swm_region *r, union arg *args)
2676 {
2677         int                     wsid = args->id, unmap_old = 0;
2678         struct swm_region       *this_r, *other_r;
2679         struct ws_win           *win;
2680         struct workspace        *new_ws, *old_ws;
2681         union arg               a;
2682
2683         if (!(r && r->s))
2684                 return;
2685
2686         if (wsid >= workspace_limit)
2687                 return;
2688
2689         this_r = r;
2690         old_ws = this_r->ws;
2691         new_ws = &this_r->s->ws[wsid];
2692
2693         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2694             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2695
2696         if (new_ws == NULL || old_ws == NULL)
2697                 return;
2698         if (new_ws == old_ws)
2699                 return;
2700
2701         other_r = new_ws->r;
2702         if (other_r == NULL) {
2703                 /* the other workspace is hidden, hide this one */
2704                 old_ws->r = NULL;
2705                 unmap_old = 1;
2706         } else {
2707                 /* the other ws is visible in another region, exchange them */
2708                 other_r->ws_prior = new_ws;
2709                 other_r->ws = old_ws;
2710                 old_ws->r = other_r;
2711         }
2712         this_r->ws_prior = old_ws;
2713         this_r->ws = new_ws;
2714         new_ws->r = this_r;
2715
2716         /* this is needed so that we can click on a window after a restart */
2717         unfocus_all();
2718
2719         stack();
2720         a.id = SWM_ARG_ID_FOCUSCUR;
2721         focus(new_ws->r, &a);
2722
2723         /* unmap old windows */
2724         if (unmap_old)
2725                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2726                         unmap_window(win);
2727
2728         if (focus_mode == SWM_FOCUS_DEFAULT)
2729                 drain_enter_notify();
2730 }
2731
2732 void
2733 cyclews(struct swm_region *r, union arg *args)
2734 {
2735         union                   arg a;
2736         struct swm_screen       *s = r->s;
2737         int                     cycle_all = 0;
2738
2739         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2740             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2741
2742         a.id = r->ws->idx;
2743         do {
2744                 switch (args->id) {
2745                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2746                         cycle_all = 1;
2747                         /* FALLTHROUGH */
2748                 case SWM_ARG_ID_CYCLEWS_UP:
2749                         if (a.id < workspace_limit - 1)
2750                                 a.id++;
2751                         else
2752                                 a.id = 0;
2753                         break;
2754                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2755                         cycle_all = 1;
2756                         /* FALLTHROUGH */
2757                 case SWM_ARG_ID_CYCLEWS_DOWN:
2758                         if (a.id > 0)
2759                                 a.id--;
2760                         else
2761                                 a.id = workspace_limit - 1;
2762                         break;
2763                 default:
2764                         return;
2765                 };
2766
2767                 if (!cycle_all &&
2768                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2769                         continue;
2770                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2771                         continue;
2772
2773                 switchws(r, &a);
2774         } while (a.id != r->ws->idx);
2775 }
2776
2777 void
2778 priorws(struct swm_region *r, union arg *args)
2779 {
2780         union arg               a;
2781
2782         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2783             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2784
2785         if (r->ws_prior == NULL)
2786                 return;
2787
2788         a.id = r->ws_prior->idx;
2789         switchws(r, &a);
2790 }
2791
2792 void
2793 cyclescr(struct swm_region *r, union arg *args)
2794 {
2795         struct swm_region       *rr = NULL;
2796         union arg               a;
2797         int                     i, x, y, num_screens;
2798
2799         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2800         /* do nothing if we don't have more than one screen */
2801         if (!(num_screens > 1 || outputs > 1))
2802                 return;
2803
2804         i = r->s->idx;
2805         switch (args->id) {
2806         case SWM_ARG_ID_CYCLESC_UP:
2807                 rr = TAILQ_NEXT(r, entry);
2808                 if (rr == NULL)
2809                         rr = TAILQ_FIRST(&screens[i].rl);
2810                 break;
2811         case SWM_ARG_ID_CYCLESC_DOWN:
2812                 rr = TAILQ_PREV(r, swm_region_list, entry);
2813                 if (rr == NULL)
2814                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2815                 break;
2816         default:
2817                 return;
2818         };
2819         if (rr == NULL)
2820                 return;
2821
2822         /* move mouse to region */
2823         x = X(rr) + 1;
2824         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2825         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2826                 x, y);
2827
2828         a.id = SWM_ARG_ID_FOCUSCUR;
2829         focus(rr, &a);
2830
2831         if (rr->ws->focus) {
2832                 /* move to focus window */
2833                 x = X(rr->ws->focus) + 1;
2834                 y = Y(rr->ws->focus) + 1;
2835                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2836                         0, x, y);
2837         }
2838 }
2839
2840 void
2841 sort_windows(struct ws_win_list *wl)
2842 {
2843         struct ws_win           *win, *parent, *nxt;
2844
2845         if (wl == NULL)
2846                 return;
2847
2848         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2849                 nxt = TAILQ_NEXT(win, entry);
2850                 if (win->transient) {
2851                         parent = find_window(win->transient);
2852                         if (parent == NULL) {
2853                                 warnx("not possible bug");
2854                                 continue;
2855                         }
2856                         TAILQ_REMOVE(wl, win, entry);
2857                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2858                 }
2859         }
2860
2861 }
2862
2863 void
2864 swapwin(struct swm_region *r, union arg *args)
2865 {
2866         struct ws_win           *target, *source;
2867         struct ws_win           *cur_focus;
2868         struct ws_win_list      *wl;
2869
2870
2871         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2872             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2873
2874         cur_focus = r->ws->focus;
2875         if (cur_focus == NULL)
2876                 return;
2877
2878         source = cur_focus;
2879         wl = &source->ws->winlist;
2880
2881         switch (args->id) {
2882         case SWM_ARG_ID_SWAPPREV:
2883                 if (source->transient)
2884                         source = find_window(source->transient);
2885                 target = TAILQ_PREV(source, ws_win_list, entry);
2886                 if (target && target->transient)
2887                         target = find_window(target->transient);
2888                 TAILQ_REMOVE(wl, source, entry);
2889                 if (target == NULL)
2890                         TAILQ_INSERT_TAIL(wl, source, entry);
2891                 else
2892                         TAILQ_INSERT_BEFORE(target, source, entry);
2893                 break;
2894         case SWM_ARG_ID_SWAPNEXT:
2895                 target = TAILQ_NEXT(source, entry);
2896                 /* move the parent and let the sort handle the move */
2897                 if (source->transient)
2898                         source = find_window(source->transient);
2899                 TAILQ_REMOVE(wl, source, entry);
2900                 if (target == NULL)
2901                         TAILQ_INSERT_HEAD(wl, source, entry);
2902                 else
2903                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2904                 break;
2905         case SWM_ARG_ID_SWAPMAIN:
2906                 target = TAILQ_FIRST(wl);
2907                 if (target == source) {
2908                         if (source->ws->focus_prev != NULL &&
2909                             source->ws->focus_prev != target)
2910                                 source = source->ws->focus_prev;
2911                         else
2912                                 return;
2913                 }
2914                 if (target == NULL || source == NULL)
2915                         return;
2916                 source->ws->focus_prev = target;
2917                 TAILQ_REMOVE(wl, target, entry);
2918                 TAILQ_INSERT_BEFORE(source, target, entry);
2919                 TAILQ_REMOVE(wl, source, entry);
2920                 TAILQ_INSERT_HEAD(wl, source, entry);
2921                 break;
2922         case SWM_ARG_ID_MOVELAST:
2923                 TAILQ_REMOVE(wl, source, entry);
2924                 TAILQ_INSERT_TAIL(wl, source, entry);
2925                 break;
2926         default:
2927                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2928                 return;
2929         }
2930
2931         sort_windows(wl);
2932
2933         stack();
2934 }
2935
2936 void
2937 focus_prev(struct ws_win *win)
2938 {
2939         struct ws_win           *winfocus = NULL;
2940         struct ws_win           *cur_focus = NULL;
2941         struct ws_win_list      *wl = NULL;
2942         struct workspace        *ws = NULL;
2943
2944         if (!(win && win->ws))
2945                 return;
2946
2947         ws = win->ws;
2948         wl = &ws->winlist;
2949         cur_focus = ws->focus;
2950
2951         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2952             WINID(win), WINID(cur_focus));
2953
2954         /* pickle, just focus on whatever */
2955         if (cur_focus == NULL) {
2956                 /* use prev_focus if valid */
2957                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2958                     find_window(WINID(ws->focus_prev)))
2959                         winfocus = ws->focus_prev;
2960                 goto done;
2961         }
2962
2963         /* if transient focus on parent */
2964         if (cur_focus->transient) {
2965                 winfocus = find_window(cur_focus->transient);
2966                 goto done;
2967         }
2968
2969         /* if in max_stack try harder */
2970         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2971             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2972                 if (cur_focus != ws->focus_prev)
2973                         winfocus = ws->focus_prev;
2974                 else
2975                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2976                 if (winfocus)
2977                         goto done;
2978         }
2979
2980         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2981
2982         if (winfocus == NULL || winfocus == win) {
2983                 switch (focus_close) {
2984                 case SWM_STACK_BOTTOM:
2985                         winfocus = TAILQ_FIRST(wl);
2986                         break;
2987                 case SWM_STACK_TOP:
2988                         winfocus = TAILQ_LAST(wl, ws_win_list);
2989                         break;
2990                 case SWM_STACK_ABOVE:
2991                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2992                                 if (focus_close_wrap)
2993                                         winfocus = TAILQ_FIRST(wl);
2994                                 else
2995                                         winfocus = TAILQ_PREV(cur_focus,
2996                                             ws_win_list, entry);
2997                         }
2998                         break;
2999                 case SWM_STACK_BELOW:
3000                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3001                             entry)) == NULL) {
3002                                 if (focus_close_wrap)
3003                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3004                                 else
3005                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3006                         }
3007                         break;
3008                 }
3009         }
3010 done:
3011         if (winfocus == NULL) {
3012                 if (focus_default == SWM_STACK_TOP)
3013                         winfocus = TAILQ_LAST(wl, ws_win_list);
3014                 else
3015                         winfocus = TAILQ_FIRST(wl);
3016         }
3017
3018         kill_refs(win);
3019         focus_magic(winfocus);
3020 }
3021
3022 void
3023 focus(struct swm_region *r, union arg *args)
3024 {
3025         struct ws_win           *winfocus = NULL, *head;
3026         struct ws_win           *cur_focus = NULL;
3027         struct ws_win_list      *wl = NULL;
3028         struct workspace        *ws = NULL;
3029         int                     all_iconics;
3030
3031         if (!(r && r->ws))
3032                 return;
3033
3034         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3035
3036         /* treat FOCUS_CUR special */
3037         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3038                 if (r->ws->focus && r->ws->focus->iconic == 0)
3039                         winfocus = r->ws->focus;
3040                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3041                         winfocus = r->ws->focus_prev;
3042                 else
3043                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3044                                 if (winfocus->iconic == 0)
3045                                         break;
3046
3047                 focus_magic(winfocus);
3048                 return;
3049         }
3050
3051         if ((cur_focus = r->ws->focus) == NULL)
3052                 return;
3053         ws = r->ws;
3054         wl = &ws->winlist;
3055         if (TAILQ_EMPTY(wl))
3056                 return;
3057         /* make sure there is at least one uniconified window */
3058         all_iconics = 1;
3059         TAILQ_FOREACH(winfocus, wl, entry)
3060                 if (winfocus->iconic == 0) {
3061                         all_iconics = 0;
3062                         break;
3063                 }
3064         if (all_iconics)
3065                 return;
3066
3067         switch (args->id) {
3068         case SWM_ARG_ID_FOCUSPREV:
3069                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3070                 if (head == NULL)
3071                         head = TAILQ_LAST(wl, ws_win_list);
3072                 winfocus = head;
3073                 if (WINID(winfocus) == cur_focus->transient) {
3074                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3075                         if (head == NULL)
3076                                 head = TAILQ_LAST(wl, ws_win_list);
3077                         winfocus = head;
3078                 }
3079
3080                 /* skip iconics */
3081                 if (winfocus && winfocus->iconic) {
3082                         while (winfocus != cur_focus) {
3083                                 if (winfocus == NULL)
3084                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3085                                 if (winfocus->iconic == 0)
3086                                         break;
3087                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3088                                     entry);
3089                         }
3090                 }
3091                 break;
3092
3093         case SWM_ARG_ID_FOCUSNEXT:
3094                 head = TAILQ_NEXT(cur_focus, entry);
3095                 if (head == NULL)
3096                         head = TAILQ_FIRST(wl);
3097                 winfocus = head;
3098
3099                 /* skip iconics */
3100                 if (winfocus && winfocus->iconic) {
3101                         while (winfocus != cur_focus) {
3102                                 if (winfocus == NULL)
3103                                         winfocus = TAILQ_FIRST(wl);
3104                                 if (winfocus->iconic == 0)
3105                                         break;
3106                                 winfocus = TAILQ_NEXT(winfocus, entry);
3107                         }
3108                 }
3109                 break;
3110
3111         case SWM_ARG_ID_FOCUSMAIN:
3112                 winfocus = TAILQ_FIRST(wl);
3113                 if (winfocus == cur_focus)
3114                         winfocus = cur_focus->ws->focus_prev;
3115                 break;
3116
3117         default:
3118                 return;
3119         }
3120
3121         focus_magic(winfocus);
3122 }
3123
3124 void
3125 cycle_layout(struct swm_region *r, union arg *args)
3126 {
3127         struct workspace        *ws = r->ws;
3128         union arg               a;
3129
3130         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3131
3132         ws->cur_layout++;
3133         if (ws->cur_layout->l_stack == NULL)
3134                 ws->cur_layout = &layouts[0];
3135
3136         stack();
3137         if (focus_mode == SWM_FOCUS_DEFAULT)
3138                 drain_enter_notify();
3139         a.id = SWM_ARG_ID_FOCUSCUR;
3140         focus(r, &a);
3141 }
3142
3143 void
3144 stack_config(struct swm_region *r, union arg *args)
3145 {
3146         struct workspace        *ws = r->ws;
3147
3148         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3149             args->id, ws->idx);
3150
3151         if (ws->cur_layout->l_config != NULL)
3152                 ws->cur_layout->l_config(ws, args->id);
3153
3154         if (args->id != SWM_ARG_ID_STACKINIT)
3155                 stack();
3156         bar_update();
3157 }
3158
3159 void
3160 stack(void) {
3161         struct swm_geometry     g;
3162         struct swm_region       *r;
3163         int                     i, num_screens;
3164 #ifdef SWM_DEBUG
3165         int j;
3166 #endif
3167
3168         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3169
3170         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3171         for (i = 0; i < num_screens; i++) {
3172 #ifdef SWM_DEBUG
3173                 j = 0;
3174 #endif
3175                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3176                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3177                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3178
3179                         /* start with screen geometry, adjust for bar */
3180                         g = r->g;
3181                         g.w -= 2 * border_width;
3182                         g.h -= 2 * border_width;
3183                         if (bar_enabled) {
3184                                 if (!bar_at_bottom)
3185                                         g.y += bar_height;
3186                                 g.h -= bar_height;
3187                         }
3188                         r->ws->cur_layout->l_stack(r->ws, &g);
3189                         r->ws->cur_layout->l_string(r->ws);
3190                         /* save r so we can track region changes */
3191                         r->ws->old_r = r;
3192                 }
3193         }
3194         if (font_adjusted)
3195                 font_adjusted--;
3196
3197         if (focus_mode == SWM_FOCUS_DEFAULT)
3198                 drain_enter_notify();
3199
3200         DNPRINTF(SWM_D_STACK, "stack: end\n");
3201 }
3202
3203 void
3204 store_float_geom(struct ws_win *win, struct swm_region *r)
3205 {
3206         /* retain window geom and region geom */
3207         win->g_float = win->g;
3208         win->g_float.x -= X(r);
3209         win->g_float.y -= Y(r);
3210         win->g_floatvalid = 1;
3211         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3212             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3213             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3214             win->g_float.w, win->g_float.h);
3215 }
3216
3217 void
3218 stack_floater(struct ws_win *win, struct swm_region *r)
3219 {
3220         if (win == NULL)
3221                 return;
3222
3223         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3224
3225         /*
3226          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3227          * geom on ws switches or return from max mode
3228          */
3229         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3230             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3231                 /* refloat at last floating relative position */
3232                 win->g = win->g_float;
3233                 X(win) += X(r);
3234                 Y(win) += Y(r);
3235         }
3236
3237         win->floatmaxed = 0;
3238
3239         /*
3240          * if set to fullscreen mode, configure window to maximum size.
3241          */
3242         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3243                 if (!win->g_floatvalid)
3244                         store_float_geom(win, win->ws->r);
3245
3246                 win->g = win->ws->r->g;
3247         }
3248
3249         /*
3250          * remove border on fullscreen floater when in fullscreen mode or when
3251          * the quirk is present.
3252          */
3253         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3254             ((win->quirks & SWM_Q_FULLSCREEN) &&
3255              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3256                 if (win->bordered) {
3257                         win->bordered = 0;
3258                         X(win) += border_width;
3259                         Y(win) += border_width;
3260                 }
3261         } else if (!win->bordered) {
3262                 win->bordered = 1;
3263                 X(win) -= border_width;
3264                 Y(win) -= border_width;
3265         }
3266
3267         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3268                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3269                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3270         }
3271
3272         if (!win->manual) {
3273                 /*
3274                  * floaters and transients are auto-centred unless moved
3275                  * or resized
3276                  */
3277                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3278                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3279         }
3280
3281         /* keep window within region bounds */
3282         constrain_window(win, r, 0);
3283
3284         update_window(win);
3285 }
3286
3287 /*
3288  * Send keystrokes to terminal to decrease/increase the font size as the
3289  * window size changes.
3290  */
3291 void
3292 adjust_font(struct ws_win *win)
3293 {
3294         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3295             win->floating || win->transient)
3296                 return;
3297
3298         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3299             WIDTH(win) / win->sh.width_inc < term_width &&
3300             win->font_steps < SWM_MAX_FONT_STEPS) {
3301                 win->font_size_boundary[win->font_steps] =
3302                     (win->sh.width_inc * term_width) + win->sh.base_width;
3303                 win->font_steps++;
3304                 font_adjusted++;
3305                 win->last_inc = win->sh.width_inc;
3306                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3307         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3308             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3309                 win->font_steps--;
3310                 font_adjusted++;
3311                 win->last_inc = win->sh.width_inc;
3312                 fake_keypress(win, XK_KP_Add, ShiftMask);
3313         }
3314 }
3315
3316 #define SWAPXY(g)       do {                            \
3317         int tmp;                                        \
3318         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3319         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3320 } while (0)
3321 void
3322 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3323 {
3324         struct swm_geometry     win_g, r_g = *g;
3325         struct ws_win           *win, *fs_win = NULL;
3326         int                     i, j, s, stacks;
3327         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3328         int                     hrh, extra = 0, h_slice, last_h = 0;
3329         int                     split, colno, winno, mwin, msize, mscale;
3330         int                     remain, missing, v_slice, reconfigure;
3331         int                     bordered = 1;
3332         xcb_get_window_attributes_reply_t *war;
3333
3334         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3335             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3336
3337         winno = count_win(ws, 0);
3338         if (winno == 0 && count_win(ws, 1) == 0)
3339                 return;
3340
3341         TAILQ_FOREACH(win, &ws->winlist, entry)
3342                 if (win->transient == 0 && win->floating == 0
3343                     && win->iconic == 0)
3344                         break;
3345
3346         if (win == NULL)
3347                 goto notiles;
3348
3349         if (rot) {
3350                 w_inc = win->sh.width_inc;
3351                 w_base = win->sh.base_width;
3352                 mwin = ws->l_state.horizontal_mwin;
3353                 mscale = ws->l_state.horizontal_msize;
3354                 stacks = ws->l_state.horizontal_stacks;
3355                 SWAPXY(&r_g);
3356         } else {
3357                 w_inc = win->sh.height_inc;
3358                 w_base = win->sh.base_height;
3359                 mwin = ws->l_state.vertical_mwin;
3360                 mscale = ws->l_state.vertical_msize;
3361                 stacks = ws->l_state.vertical_stacks;
3362         }
3363         win_g = r_g;
3364
3365         if (stacks > winno - mwin)
3366                 stacks = winno - mwin;
3367         if (stacks < 1)
3368                 stacks = 1;
3369
3370         h_slice = r_g.h / SWM_H_SLICE;
3371         if (mwin && winno > mwin) {
3372                 v_slice = r_g.w / SWM_V_SLICE;
3373
3374                 split = mwin;
3375                 colno = split;
3376                 win_g.w = v_slice * mscale;
3377
3378                 if (w_inc > 1 && w_inc < v_slice) {
3379                         /* adjust for window's requested size increment */
3380                         remain = (win_g.w - w_base) % w_inc;
3381                         win_g.w -= remain;
3382                 }
3383
3384                 msize = win_g.w;
3385                 if (flip)
3386                         win_g.x += r_g.w - msize;
3387         } else {
3388                 msize = -2;
3389                 colno = split = winno / stacks;
3390                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3391                     2 * border_width) / stacks);
3392         }
3393         hrh = r_g.h / colno;
3394         extra = r_g.h - (colno * hrh);
3395         win_g.h = hrh - 2 * border_width;
3396
3397         /*  stack all the tiled windows */
3398         i = j = 0, s = stacks;
3399         TAILQ_FOREACH(win, &ws->winlist, entry) {
3400                 if (win->transient != 0 || win->floating != 0)
3401                         continue;
3402                 if (win->iconic != 0)
3403                         continue;
3404
3405                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3406                         fs_win = win;
3407                         continue;
3408                 }
3409
3410                 if (split && i == split) {
3411                         colno = (winno - mwin) / stacks;
3412                         if (s <= (winno - mwin) % stacks)
3413                                 colno++;
3414                         split = split + colno;
3415                         hrh = (r_g.h / colno);
3416                         extra = r_g.h - (colno * hrh);
3417                         if (flip)
3418                                 win_g.x = r_g.x;
3419                         else
3420                                 win_g.x += win_g.w + 2 * border_width;
3421                         win_g.w = (r_g.w - msize -
3422                             (stacks * 2 * border_width)) / stacks;
3423                         if (s == 1)
3424                                 win_g.w += (r_g.w - msize -
3425                                     (stacks * 2 * border_width)) % stacks;
3426                         s--;
3427                         j = 0;
3428                 }
3429                 win_g.h = hrh - 2 * border_width;
3430                 if (rot) {
3431                         h_inc = win->sh.width_inc;
3432                         h_base = win->sh.base_width;
3433                 } else {
3434                         h_inc = win->sh.height_inc;
3435                         h_base = win->sh.base_height;
3436                 }
3437                 if (j == colno - 1) {
3438                         win_g.h = hrh + extra;
3439                 } else if (h_inc > 1 && h_inc < h_slice) {
3440                         /* adjust for window's requested size increment */
3441                         remain = (win_g.h - h_base) % h_inc;
3442                         missing = h_inc - remain;
3443
3444                         if (missing <= extra || j == 0) {
3445                                 extra -= missing;
3446                                 win_g.h += missing;
3447                         } else {
3448                                 win_g.h -= remain;
3449                                 extra += remain;
3450                         }
3451                 }
3452
3453                 if (j == 0)
3454                         win_g.y = r_g.y;
3455                 else
3456                         win_g.y += last_h + 2 * border_width;
3457
3458                 if (disable_border && bar_enabled == 0 && winno == 1){
3459                         bordered = 0;
3460                         win_g.w += 2 * border_width;
3461                         win_g.h += 2 * border_width;
3462                 } else {
3463                         bordered = 1;
3464                 }
3465                 if (rot) {
3466                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3467                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3468                                 reconfigure = 1;
3469                                 X(win) = win_g.y;
3470                                 Y(win) = win_g.x;
3471                                 WIDTH(win) = win_g.h;
3472                                 HEIGHT(win) = win_g.w;
3473                         }
3474                 } else {
3475                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3476                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3477                                 reconfigure = 1;
3478                                 X(win) = win_g.x;
3479                                 Y(win) = win_g.y;
3480                                 WIDTH(win) = win_g.w;
3481                                 HEIGHT(win) = win_g.h;
3482                         }
3483                 }
3484
3485                 if (bordered != win->bordered) {
3486                         reconfigure = 1;
3487                         win->bordered = bordered;
3488                 }
3489
3490                 if (reconfigure) {
3491                         adjust_font(win);
3492                         update_window(win);
3493                 }
3494
3495                 war = xcb_get_window_attributes_reply(conn,
3496                         xcb_get_window_attributes(conn, win->id),
3497                         NULL);
3498                 if (war) {
3499                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3500                                 map_window_raised(win->id);
3501                         free(war);
3502                 }
3503
3504                 last_h = win_g.h;
3505                 i++;
3506                 j++;
3507         }
3508
3509 notiles:
3510         /* now, stack all the floaters and transients */
3511         TAILQ_FOREACH(win, &ws->winlist, entry) {
3512                 if (win->transient == 0 && win->floating == 0)
3513                         continue;
3514                 if (win->iconic == 1)
3515                         continue;
3516                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3517                         fs_win = win;
3518                         continue;
3519                 }
3520
3521                 stack_floater(win, ws->r);
3522                 map_window_raised(win->id);
3523         }
3524
3525         if (fs_win) {
3526                 stack_floater(fs_win, ws->r);
3527                 map_window_raised(fs_win->id);
3528         }
3529 }
3530
3531 void
3532 vertical_config(struct workspace *ws, int id)
3533 {
3534         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3535             id, ws->idx);
3536
3537         switch (id) {
3538         case SWM_ARG_ID_STACKRESET:
3539         case SWM_ARG_ID_STACKINIT:
3540                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3541                 ws->l_state.vertical_mwin = 1;
3542                 ws->l_state.vertical_stacks = 1;
3543                 break;
3544         case SWM_ARG_ID_MASTERSHRINK:
3545                 if (ws->l_state.vertical_msize > 1)
3546                         ws->l_state.vertical_msize--;
3547                 break;
3548         case SWM_ARG_ID_MASTERGROW:
3549                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3550                         ws->l_state.vertical_msize++;
3551                 break;
3552         case SWM_ARG_ID_MASTERADD:
3553                 ws->l_state.vertical_mwin++;
3554                 break;
3555         case SWM_ARG_ID_MASTERDEL:
3556                 if (ws->l_state.vertical_mwin > 0)
3557                         ws->l_state.vertical_mwin--;
3558                 break;
3559         case SWM_ARG_ID_STACKINC:
3560                 ws->l_state.vertical_stacks++;
3561                 break;
3562         case SWM_ARG_ID_STACKDEC:
3563                 if (ws->l_state.vertical_stacks > 1)
3564                         ws->l_state.vertical_stacks--;
3565                 break;
3566         case SWM_ARG_ID_FLIPLAYOUT:
3567                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3568                 break;
3569         default:
3570                 return;
3571         }
3572 }
3573
3574 void
3575 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3576 {
3577         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3578
3579         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3580 }
3581
3582 void
3583 horizontal_config(struct workspace *ws, int id)
3584 {
3585         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3586
3587         switch (id) {
3588         case SWM_ARG_ID_STACKRESET:
3589         case SWM_ARG_ID_STACKINIT:
3590                 ws->l_state.horizontal_mwin = 1;
3591                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3592                 ws->l_state.horizontal_stacks = 1;
3593                 break;
3594         case SWM_ARG_ID_MASTERSHRINK:
3595                 if (ws->l_state.horizontal_msize > 1)
3596                         ws->l_state.horizontal_msize--;
3597                 break;
3598         case SWM_ARG_ID_MASTERGROW:
3599                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3600                         ws->l_state.horizontal_msize++;
3601                 break;
3602         case SWM_ARG_ID_MASTERADD:
3603                 ws->l_state.horizontal_mwin++;
3604                 break;
3605         case SWM_ARG_ID_MASTERDEL:
3606                 if (ws->l_state.horizontal_mwin > 0)
3607                         ws->l_state.horizontal_mwin--;
3608                 break;
3609         case SWM_ARG_ID_STACKINC:
3610                 ws->l_state.horizontal_stacks++;
3611                 break;
3612         case SWM_ARG_ID_STACKDEC:
3613                 if (ws->l_state.horizontal_stacks > 1)
3614                         ws->l_state.horizontal_stacks--;
3615                 break;
3616         case SWM_ARG_ID_FLIPLAYOUT:
3617                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3618                 break;
3619         default:
3620                 return;
3621         }
3622 }
3623
3624 void
3625 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3626 {
3627         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3628
3629         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3630 }
3631
3632 /* fullscreen view */
3633 void
3634 max_stack(struct workspace *ws, struct swm_geometry *g)
3635 {
3636         struct swm_geometry     gg = *g;
3637         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3638         int                     winno, num_screens;
3639
3640         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3641
3642         if (ws == NULL)
3643                 return;
3644
3645         winno = count_win(ws, 0);
3646         if (winno == 0 && count_win(ws, 1) == 0)
3647                 return;
3648
3649         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3650         TAILQ_FOREACH(win, &ws->winlist, entry) {
3651                 if (win->transient) {
3652                         wintrans = win;
3653                         parent = find_window(win->transient);
3654                         continue;
3655                 }
3656
3657                 if (win->floating && win->floatmaxed == 0 ) {
3658                         /*
3659                          * retain geometry for retrieval on exit from
3660                          * max_stack mode
3661                          */
3662                         store_float_geom(win, ws->r);
3663                         win->floatmaxed = 1;
3664                 }
3665
3666                 /* only reconfigure if necessary */
3667                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3668                     HEIGHT(win) != gg.h) {
3669                         win->g = gg;
3670                         if (bar_enabled){
3671                                 win->bordered = 1;
3672                         } else {
3673                                 win->bordered = 0;
3674                                 WIDTH(win) += 2 * border_width;
3675                                 HEIGHT(win) += 2 * border_width;
3676                         }
3677
3678                         update_window(win);
3679                 }
3680                 /* unmap only if we don't have multi screen */
3681                 if (win != ws->focus)
3682                         if (!(num_screens > 1 || outputs > 1))
3683                                 unmap_window(win);
3684         }
3685
3686         /* put the last transient on top */
3687         if (wintrans) {
3688                 if (parent)
3689                         map_window_raised(parent->id);
3690                 stack_floater(wintrans, ws->r);
3691                 focus_magic(wintrans);
3692         }
3693 }
3694
3695 void
3696 send_to_ws(struct swm_region *r, union arg *args)
3697 {
3698         int                     wsid = args->id;
3699         struct ws_win           *win = NULL, *parent;
3700         struct workspace        *ws, *nws;
3701         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3702         char                    ws_idx_str[SWM_PROPLEN];
3703         union arg               a;
3704
3705         if (wsid >= workspace_limit)
3706                 return;
3707
3708         if (r && r->ws && r->ws->focus)
3709                 win = r->ws->focus;
3710         else
3711                 return;
3712         if (win == NULL)
3713                 return;
3714         if (win->ws->idx == wsid)
3715                 return;
3716
3717         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3718
3719         ws = win->ws;
3720         nws = &win->s->ws[wsid];
3721
3722         a.id = SWM_ARG_ID_FOCUSPREV;
3723         focus(r, &a);
3724         if (win->transient) {
3725                 parent = find_window(win->transient);
3726                 if (parent) {
3727                         unmap_window(parent);
3728                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3729                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3730                         parent->ws = nws;
3731                 }
3732         }
3733         unmap_window(win);
3734         TAILQ_REMOVE(&ws->winlist, win, entry);
3735         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3736         if (TAILQ_EMPTY(&ws->winlist))
3737                 r->ws->focus = NULL;
3738         win->ws = nws;
3739
3740         /* Try to update the window's workspace property */
3741         ws_idx_atom = get_atom_from_string("_SWM_WS");
3742         if (ws_idx_atom &&
3743             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3744                 SWM_PROPLEN) {
3745                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3746                     ws_idx_str);
3747                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3748                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3749                         ws_idx_str);
3750         }
3751
3752         stack();
3753         bar_update();
3754 }
3755
3756 void
3757 pressbutton(struct swm_region *r, union arg *args)
3758 {
3759         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3760         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3761 }
3762
3763 void
3764 raise_toggle(struct swm_region *r, union arg *args)
3765 {
3766         if (r == NULL || r->ws == NULL)
3767                 return;
3768
3769         r->ws->always_raise = !r->ws->always_raise;
3770
3771         /* bring floaters back to top */
3772         if (r->ws->always_raise == 0)
3773                 stack();
3774 }
3775
3776 void
3777 iconify(struct swm_region *r, union arg *args)
3778 {
3779         union arg a;
3780
3781         if (r->ws->focus == NULL)
3782                 return;
3783         unmap_window(r->ws->focus);
3784         update_iconic(r->ws->focus, 1);
3785         stack();
3786         if (focus_mode == SWM_FOCUS_DEFAULT)
3787                 drain_enter_notify();
3788         r->ws->focus = NULL;
3789         a.id = SWM_ARG_ID_FOCUSCUR;
3790         focus(r, &a);
3791 }
3792
3793 char *
3794 get_win_name(xcb_window_t win)
3795 {
3796         char                            *name = NULL;
3797         xcb_get_property_cookie_t       c;
3798         xcb_icccm_get_text_property_reply_t     r;
3799
3800         c = xcb_icccm_get_wm_name(conn, win);
3801         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3802                 if (r.name_len > 0) {
3803                         name = malloc(r.name_len + 1);
3804                         if (!name) {
3805                                 xcb_icccm_get_text_property_reply_wipe(&r);
3806                                 return (NULL);
3807                         }
3808                         memcpy(name, r.name, r.name_len);
3809                         name[r.name_len] = '\0';
3810                 }
3811                 xcb_icccm_get_text_property_reply_wipe(&r);
3812         }
3813
3814         return (name);
3815 }
3816
3817 void
3818 uniconify(struct swm_region *r, union arg *args)
3819 {
3820         struct ws_win           *win;
3821         FILE                    *lfile;
3822         char                    *name;
3823         int                     count = 0;
3824
3825         DNPRINTF(SWM_D_MISC, "uniconify\n");
3826
3827         if (r == NULL || r->ws == NULL)
3828                 return;
3829
3830         /* make sure we have anything to uniconify */
3831         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3832                 if (win->ws == NULL)
3833                         continue; /* should never happen */
3834                 if (win->iconic == 0)
3835                         continue;
3836                 count++;
3837         }
3838         if (count == 0)
3839                 return;
3840
3841         search_r = r;
3842         search_resp_action = SWM_SEARCH_UNICONIFY;
3843
3844         spawn_select(r, args, "search", &searchpid);
3845
3846         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3847                 return;
3848
3849         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3850                 if (win->ws == NULL)
3851                         continue; /* should never happen */
3852                 if (win->iconic == 0)
3853                         continue;
3854
3855                 name = get_win_name(win->id);
3856                 if (name == NULL)
3857                         continue;
3858                 fprintf(lfile, "%s.%u\n", name, win->id);
3859                 free(name);
3860         }
3861
3862         fclose(lfile);
3863 }
3864
3865 void
3866 name_workspace(struct swm_region *r, union arg *args)
3867 {
3868         FILE                    *lfile;
3869
3870         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3871
3872         if (r == NULL)
3873                 return;
3874
3875         search_r = r;
3876         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3877
3878         spawn_select(r, args, "name_workspace", &searchpid);
3879
3880         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3881                 return;
3882
3883         fprintf(lfile, "%s", "");
3884         fclose(lfile);
3885 }
3886
3887 void
3888 search_workspace(struct swm_region *r, union arg *args)
3889 {
3890         int                     i;
3891         struct workspace        *ws;
3892         FILE                    *lfile;
3893
3894         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3895
3896         if (r == NULL)
3897                 return;
3898
3899         search_r = r;
3900         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3901
3902         spawn_select(r, args, "search", &searchpid);
3903
3904         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3905                 return;
3906
3907         for (i = 0; i < workspace_limit; i++) {
3908                 ws = &r->s->ws[i];
3909                 if (ws == NULL)
3910                         continue;
3911                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3912                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3913         }
3914
3915         fclose(lfile);
3916 }
3917
3918 void
3919 search_win_cleanup(void)
3920 {
3921         struct search_window    *sw = NULL;
3922
3923         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3924                 xcb_destroy_window(conn, sw->indicator);
3925                 xcb_free_gc(conn, sw->gc);
3926                 TAILQ_REMOVE(&search_wl, sw, entry);
3927                 free(sw);
3928         }
3929 }
3930
3931 void
3932 search_win(struct swm_region *r, union arg *args)
3933 {
3934         struct ws_win           *win = NULL;
3935         struct search_window    *sw = NULL;
3936         xcb_window_t            w;
3937         uint32_t                gcv[1], wa[2];
3938         int                     i;
3939         char                    s[8];
3940         FILE                    *lfile;
3941         size_t                  len;
3942         XRectangle              ibox, lbox;
3943         xcb_screen_t            *screen;
3944         DNPRINTF(SWM_D_MISC, "search_win\n");
3945
3946         search_r = r;
3947         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3948
3949         spawn_select(r, args, "search", &searchpid);
3950
3951         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3952                 return;
3953
3954         TAILQ_INIT(&search_wl);
3955
3956         i = 1;
3957         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3958                 if (win->iconic == 1)
3959                         continue;
3960
3961                 sw = calloc(1, sizeof(struct search_window));
3962                 if (sw == NULL) {
3963                         warn("search_win: calloc");
3964                         fclose(lfile);
3965                         search_win_cleanup();
3966                         return;
3967                 }
3968                 sw->idx = i;
3969                 sw->win = win;
3970                 screen = get_screen(sw->idx);
3971
3972                 snprintf(s, sizeof s, "%d", i);
3973                 len = strlen(s);
3974
3975                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3976
3977                 w = xcb_generate_id(conn);
3978                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3979                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3980                 xcb_create_window(conn, screen->root_depth, w, win->id,
3981                         0, 0, lbox.width + 4,
3982                         bar_fs_extents->max_logical_extent.height, 1,
3983                         XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual,
3984                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3985
3986                 sw->indicator = w;
3987                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3988
3989                 sw->gc = xcb_generate_id(conn);
3990                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3991                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND, gcv);
3992                 map_window_raised(w);
3993
3994                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3995                     (bar_fs_extents->max_logical_extent.height -
3996                     lbox.height) / 2 - lbox.y, s);
3997
3998                 fprintf(lfile, "%d\n", i);
3999                 i++;
4000         }
4001
4002         fclose(lfile);
4003 }
4004
4005 void
4006 search_resp_uniconify(char *resp, unsigned long len)
4007 {
4008         char                    *name;
4009         struct ws_win           *win;
4010         char                    *s;
4011
4012         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4013
4014         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4015                 if (win->iconic == 0)
4016                         continue;
4017                 name = get_win_name(win->id);
4018                 if (name == NULL)
4019                         continue;
4020                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4021                         free(name);
4022                         continue;
4023                 }
4024                 free(name);
4025                 if (strncmp(s, resp, len) == 0) {
4026                         /* XXX this should be a callback to generalize */
4027                         update_iconic(win, 0);
4028                         free(s);
4029                         break;
4030                 }
4031                 free(s);
4032         }
4033 }
4034
4035 void
4036 search_resp_name_workspace(char *resp, unsigned long len)
4037 {
4038         struct workspace        *ws;
4039
4040         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4041
4042         if (search_r->ws == NULL)
4043                 return;
4044         ws = search_r->ws;
4045
4046         if (ws->name) {
4047                 free(search_r->ws->name);
4048                 search_r->ws->name = NULL;
4049         }
4050
4051         if (len > 1) {
4052                 ws->name = strdup(resp);
4053                 if (ws->name == NULL) {
4054                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4055                             "strdup: %s", strerror(errno));
4056                         return;
4057                 }
4058         }
4059 }
4060
4061 void
4062 search_resp_search_workspace(char *resp, unsigned long len)
4063 {
4064         char                    *p, *q;
4065         int                     ws_idx;
4066         const char              *errstr;
4067         union arg               a;
4068
4069         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4070
4071         q = strdup(resp);
4072         if (!q) {
4073                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4074                     strerror(errno));
4075                 return;
4076         }
4077         p = strchr(q, ':');
4078         if (p != NULL)
4079                 *p = '\0';
4080         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
4081         if (errstr) {
4082                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4083                     errstr, q);
4084                 free(q);
4085                 return;
4086         }
4087         free(q);
4088         a.id = ws_idx - 1;
4089         switchws(search_r, &a);
4090 }
4091
4092 void
4093 search_resp_search_window(char *resp, unsigned long len)
4094 {
4095         char                    *s;
4096         int                     idx;
4097         const char              *errstr;
4098         struct search_window    *sw;
4099
4100         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4101
4102         s = strdup(resp);
4103         if (!s) {
4104                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4105                     strerror(errno));
4106                 return;
4107         }
4108
4109         idx = strtonum(s, 1, INT_MAX, &errstr);
4110         if (errstr) {
4111                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4112                     errstr, s);
4113                 free(s);
4114                 return;
4115         }
4116         free(s);
4117
4118         TAILQ_FOREACH(sw, &search_wl, entry)
4119                 if (idx == sw->idx) {
4120                         focus_win(sw->win);
4121                         break;
4122                 }
4123 }
4124
4125 #define MAX_RESP_LEN    1024
4126
4127 void
4128 search_do_resp(void)
4129 {
4130         ssize_t                 rbytes;
4131         char                    *resp;
4132         unsigned long           len;
4133
4134         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4135
4136         search_resp = 0;
4137         searchpid = 0;
4138
4139         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4140                 warn("search: calloc");
4141                 goto done;
4142         }
4143
4144         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4145         if (rbytes <= 0) {
4146                 warn("search: read error");
4147                 goto done;
4148         }
4149         resp[rbytes] = '\0';
4150
4151         /* XXX:
4152          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4153          * newline, so work around that by sanitizing the resp now.
4154          */
4155         resp[strcspn(resp, "\n")] = '\0';
4156         len = strlen(resp);
4157
4158         switch (search_resp_action) {
4159         case SWM_SEARCH_UNICONIFY:
4160                 search_resp_uniconify(resp, len);
4161                 break;
4162         case SWM_SEARCH_NAME_WORKSPACE:
4163                 search_resp_name_workspace(resp, len);
4164                 break;
4165         case SWM_SEARCH_SEARCH_WORKSPACE:
4166                 search_resp_search_workspace(resp, len);
4167                 break;
4168         case SWM_SEARCH_SEARCH_WINDOW:
4169                 search_resp_search_window(resp, len);
4170                 break;
4171         }
4172
4173 done:
4174         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4175                 search_win_cleanup();
4176
4177         search_resp_action = SWM_SEARCH_NONE;
4178         close(select_resp_pipe[0]);
4179         free(resp);
4180 }
4181
4182 void
4183 wkill(struct swm_region *r, union arg *args)
4184 {
4185         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4186
4187         if (r->ws->focus == NULL)
4188                 return;
4189
4190         if (args->id == SWM_ARG_ID_KILLWINDOW)
4191                 xcb_kill_client(conn, r->ws->focus->id);
4192         else
4193                 if (r->ws->focus->can_delete)
4194                         client_msg(r->ws->focus, adelete);
4195 }
4196
4197
4198 int
4199 floating_toggle_win(struct ws_win *win)
4200 {
4201         struct swm_region       *r;
4202
4203         if (win == NULL)
4204                 return (0);
4205
4206         if (!win->ws->r)
4207                 return (0);
4208
4209         r = win->ws->r;
4210
4211         /* reject floating toggles in max stack mode */
4212         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4213                 return (0);
4214
4215         if (win->floating) {
4216                 if (!win->floatmaxed) {
4217                         /* retain position for refloat */
4218                         store_float_geom(win, r);
4219                 }
4220                 win->floating = 0;
4221         } else {
4222                 if (win->g_floatvalid) {
4223                         /* refloat at last floating relative position */
4224                         X(win) = win->g_float.x + X(r);
4225                         Y(win) = win->g_float.y + Y(r);
4226                         WIDTH(win) = win->g_float.w;
4227                         HEIGHT(win) = win->g_float.h;
4228                 }
4229                 win->floating = 1;
4230         }
4231
4232         ewmh_update_actions(win);
4233
4234         return (1);
4235 }
4236
4237 void
4238 floating_toggle(struct swm_region *r, union arg *args)
4239 {
4240         struct ws_win           *win = r->ws->focus;
4241         union arg               a;
4242
4243         if (win == NULL)
4244                 return;
4245
4246         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4247             _NET_WM_STATE_TOGGLE);
4248
4249         stack();
4250         if (focus_mode == SWM_FOCUS_DEFAULT)
4251                 drain_enter_notify();
4252
4253         if (win == win->ws->focus) {
4254                 a.id = SWM_ARG_ID_FOCUSCUR;
4255                 focus(win->ws->r, &a);
4256         }
4257 }
4258
4259 void
4260 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4261 {
4262         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4263                 if (resizable)
4264                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4265                 else
4266                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4267         }
4268
4269         if (X(win) + BORDER(win) < X(r)) {
4270                 if (resizable)
4271                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4272
4273                 X(win) = X(r) - BORDER(win);
4274         }
4275
4276         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4277                 if (resizable)
4278                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4279                 else
4280                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4281         }
4282
4283         if (Y(win) + BORDER(win) < Y(r)) {
4284                 if (resizable)
4285                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4286
4287                 Y(win) = Y(r) - BORDER(win);
4288         }
4289
4290         if (resizable) {
4291                 if (WIDTH(win) < 1)
4292                         WIDTH(win) = 1;
4293                 if (HEIGHT(win) < 1)
4294                         HEIGHT(win) = 1;
4295         }
4296 }
4297
4298 void
4299 update_window(struct ws_win *win)
4300 {
4301         uint16_t        mask;
4302         uint32_t        wc[5];
4303
4304         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4305                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4306                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4307         wc[0] = X(win);
4308         wc[1] = Y(win);
4309         wc[2] = WIDTH(win);
4310         wc[3] = HEIGHT(win);
4311         wc[4] = BORDER(win);
4312
4313         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4314             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4315             wc[3], YESNO(win->bordered));
4316
4317         xcb_configure_window(conn, win->id, mask, wc);
4318 }
4319
4320 #define SWM_RESIZE_STEPS        (50)
4321
4322 void
4323 resize(struct ws_win *win, union arg *args)
4324 {
4325         XEvent                  ev;
4326         Time                    time = 0;
4327         struct swm_region       *r = NULL;
4328         int                     resize_step = 0;
4329         struct swm_geometry     g;
4330         int                     top = 0, left = 0;
4331         int                     dx, dy;
4332         unsigned int            shape; /* cursor style */
4333         xcb_cursor_t            cursor;
4334         xcb_font_t              cursor_font;
4335         xcb_grab_pointer_reply_t        *gpr;
4336         xcb_query_pointer_reply_t       *xpr;
4337
4338         if (win == NULL)
4339                 return;
4340         r = win->ws->r;
4341
4342         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4343                 return;
4344
4345         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%x, floating: %s, "
4346             "transient: 0x%x\n", win->id, YESNO(win->floating),
4347             win->transient);
4348
4349         if (!(win->transient != 0 || win->floating != 0))
4350                 return;
4351
4352         /* reject resizes in max mode for floaters (transient ok) */
4353         if (win->floatmaxed)
4354                 return;
4355
4356         win->manual = 1;
4357         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4358             _NET_WM_STATE_ADD);
4359
4360         stack();
4361
4362         switch (args->id) {
4363         case SWM_ARG_ID_WIDTHSHRINK:
4364                 WIDTH(win) -= SWM_RESIZE_STEPS;
4365                 resize_step = 1;
4366                 break;
4367         case SWM_ARG_ID_WIDTHGROW:
4368                 WIDTH(win) += SWM_RESIZE_STEPS;
4369                 resize_step = 1;
4370                 break;
4371         case SWM_ARG_ID_HEIGHTSHRINK:
4372                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4373                 resize_step = 1;
4374                 break;
4375         case SWM_ARG_ID_HEIGHTGROW:
4376                 HEIGHT(win) += SWM_RESIZE_STEPS;
4377                 resize_step = 1;
4378                 break;
4379         default:
4380                 break;
4381         }
4382         if (resize_step) {
4383                 constrain_window(win, r, 1);
4384                 update_window(win);
4385                 store_float_geom(win,r);
4386                 return;
4387         }
4388
4389         if (focus_mode == SWM_FOCUS_DEFAULT)
4390                 drain_enter_notify();
4391
4392         /* get cursor offset from window root */
4393         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4394                 NULL);
4395         if (!xpr)
4396                 return;
4397
4398         g = win->g;
4399
4400         if (xpr->win_x < WIDTH(win) / 2)
4401                 left = 1;
4402
4403         if (xpr->win_y < HEIGHT(win) / 2)
4404                 top = 1;
4405
4406         if (args->id == SWM_ARG_ID_CENTER)
4407                 shape = XC_sizing;
4408         else if (top)
4409                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4410         else
4411                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4412
4413         cursor_font = xcb_generate_id(conn);
4414         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4415
4416         cursor = xcb_generate_id(conn);
4417         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4418                 shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4419
4420         gpr = xcb_grab_pointer_reply(conn,
4421                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4422                 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
4423                 cursor, XCB_CURRENT_TIME),
4424                 NULL);
4425         if (!gpr) {
4426                 xcb_free_cursor(conn, cursor);
4427                 xcb_close_font(conn, cursor_font);
4428                 free(xpr);
4429                 return;
4430         }
4431
4432         do {
4433                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4434                     SubstructureRedirectMask, &ev);
4435                 switch (ev.type) {
4436                 case ConfigureRequest:
4437                 case Expose:
4438                 case MapRequest:
4439                         handler[ev.type](&ev);
4440                         break;
4441                 case MotionNotify:
4442                         /* cursor offset/delta from start of the operation */
4443                         dx = ev.xmotion.x_root - xpr->root_x;
4444                         dy = ev.xmotion.y_root - xpr->root_y;
4445
4446                         /* vertical */
4447                         if (top)
4448                                 dy = -dy;
4449
4450                         if (args->id == SWM_ARG_ID_CENTER) {
4451                                 if (g.h / 2 + dy < 1)
4452                                         dy = 1 - g.h / 2;
4453
4454                                 Y(win) = g.y - dy;
4455                                 HEIGHT(win) = g.h + 2 * dy;
4456                         } else {
4457                                 if (g.h + dy < 1)
4458                                         dy = 1 - g.h;
4459
4460                                 if (top)
4461                                         Y(win) = g.y - dy;
4462
4463                                 HEIGHT(win) = g.h + dy;
4464                         }
4465
4466                         /* horizontal */
4467                         if (left)
4468                                 dx = -dx;
4469
4470                         if (args->id == SWM_ARG_ID_CENTER) {
4471                                 if (g.w / 2 + dx < 1)
4472                                         dx = 1 - g.w / 2;
4473
4474                                 X(win) = g.x - dx;
4475                                 WIDTH(win) = g.w + 2 * dx;
4476                         } else {
4477                                 if (g.w + dx < 1)
4478                                         dx = 1 - g.w;
4479
4480                                 if (left)
4481                                         X(win) = g.x - dx;
4482
4483                                 WIDTH(win) = g.w + dx;
4484                         }
4485
4486                         constrain_window(win, r, 1);
4487
4488                         /* not free, don't sync more than 120 times / second */
4489                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4490                                 time = ev.xmotion.time;
4491                                 do_sync();
4492                                 update_window(win);
4493                         }
4494                         break;
4495                 }
4496         } while (ev.type != ButtonRelease);
4497         if (time) {
4498                 do_sync();
4499                 update_window(win);
4500         }
4501         store_float_geom(win,r);
4502
4503         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4504         xcb_free_cursor(conn, cursor);
4505         xcb_close_font(conn, cursor_font);
4506         free(gpr);
4507         free(xpr);
4508
4509         /* drain events */
4510         drain_enter_notify();
4511 }
4512
4513 void
4514 resize_step(struct swm_region *r, union arg *args)
4515 {
4516         struct ws_win           *win = NULL;
4517
4518         if (r && r->ws && r->ws->focus)
4519                 win = r->ws->focus;
4520         else
4521                 return;
4522
4523         resize(win, args);
4524 }
4525
4526 #define SWM_MOVE_STEPS  (50)
4527
4528 void
4529 move(struct ws_win *win, union arg *args)
4530 {
4531         XEvent                  ev;
4532         Time                    time = 0;
4533         int                     move_step = 0;
4534         struct swm_region       *r = NULL;
4535         xcb_font_t                      cursor_font;
4536         xcb_cursor_t                    cursor;
4537         xcb_grab_pointer_reply_t        *gpr;
4538         xcb_query_pointer_reply_t       *qpr;
4539
4540         if (win == NULL)
4541                 return;
4542         r = win->ws->r;
4543
4544         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4545                 return;
4546
4547         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%x, floating: %s, transient: "
4548             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4549
4550         /* in max_stack mode should only move transients */
4551         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4552                 return;
4553
4554         win->manual = 1;
4555         if (win->floating == 0 && !win->transient) {
4556                 store_float_geom(win, r);
4557                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4558                     _NET_WM_STATE_ADD);
4559         }
4560         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4561             _NET_WM_STATE_ADD);
4562
4563         stack();
4564
4565         move_step = 0;
4566         switch (args->id) {
4567         case SWM_ARG_ID_MOVELEFT:
4568                 X(win) -= (SWM_MOVE_STEPS - border_width);
4569                 move_step = 1;
4570                 break;
4571         case SWM_ARG_ID_MOVERIGHT:
4572                 X(win) += (SWM_MOVE_STEPS - border_width);
4573                 move_step = 1;
4574                 break;
4575         case SWM_ARG_ID_MOVEUP:
4576                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4577                 move_step = 1;
4578                 break;
4579         case SWM_ARG_ID_MOVEDOWN:
4580                 Y(win) += (SWM_MOVE_STEPS - border_width);
4581                 move_step = 1;
4582                 break;
4583         default:
4584                 break;
4585         }
4586         if (move_step) {
4587                 constrain_window(win, r, 0);
4588                 update_window(win);
4589                 store_float_geom(win, r);
4590                 return;
4591         }
4592
4593         cursor_font = xcb_generate_id(conn);
4594         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4595
4596         cursor = xcb_generate_id(conn);
4597         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4598                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4599
4600         gpr = xcb_grab_pointer_reply(conn,
4601                 xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4602                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4603                         XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME),
4604                 NULL);
4605         if (!gpr) {
4606                 xcb_free_cursor(conn, cursor);
4607                 xcb_close_font(conn, cursor_font);
4608                 return;
4609         }
4610
4611         /* get cursor offset from window root */
4612         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4613                 NULL);
4614         if (!qpr) {
4615                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4616                 xcb_free_cursor(conn, cursor);
4617                 xcb_close_font(conn, cursor_font);
4618                 return;
4619         }
4620         do {
4621                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4622                     SubstructureRedirectMask, &ev);
4623                 switch (ev.type) {
4624                 case ConfigureRequest:
4625                 case Expose:
4626                 case MapRequest:
4627                         handler[ev.type](&ev);
4628                         break;
4629                 case MotionNotify:
4630                         X(win) = ev.xmotion.x_root - qpr->win_x - border_width;
4631                         Y(win) = ev.xmotion.y_root - qpr->win_y - border_width;
4632
4633                         constrain_window(win, r, 0);
4634
4635                         /* not free, don't sync more than 120 times / second */
4636                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4637                                 time = ev.xmotion.time;
4638                                 do_sync();
4639                                 update_window(win);
4640                         }
4641                         break;
4642                 }
4643         } while (ev.type != ButtonRelease);
4644         if (time) {
4645                 do_sync();
4646                 update_window(win);
4647         }
4648         store_float_geom(win, r);
4649         free(qpr);
4650         xcb_free_cursor(conn, cursor);
4651         xcb_close_font(conn, cursor_font);
4652         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4653
4654         /* drain events */
4655         drain_enter_notify();
4656 }
4657
4658 void
4659 move_step(struct swm_region *r, union arg *args)
4660 {
4661         struct ws_win           *win = NULL;
4662
4663         if (r && r->ws && r->ws->focus)
4664                 win = r->ws->focus;
4665         else
4666                 return;
4667
4668         if (!(win->transient != 0 || win->floating != 0))
4669                 return;
4670
4671         move(win, args);
4672 }
4673
4674
4675 /* user/key callable function IDs */
4676 enum keyfuncid {
4677         kf_cycle_layout,
4678         kf_flip_layout,
4679         kf_stack_reset,
4680         kf_master_shrink,
4681         kf_master_grow,
4682         kf_master_add,
4683         kf_master_del,
4684         kf_stack_inc,
4685         kf_stack_dec,
4686         kf_swap_main,
4687         kf_focus_next,
4688         kf_focus_prev,
4689         kf_swap_next,
4690         kf_swap_prev,
4691         kf_quit,
4692         kf_restart,
4693         kf_focus_main,
4694         kf_ws_1,
4695         kf_ws_2,
4696         kf_ws_3,
4697         kf_ws_4,
4698         kf_ws_5,
4699         kf_ws_6,
4700         kf_ws_7,
4701         kf_ws_8,
4702         kf_ws_9,
4703         kf_ws_10,
4704         kf_ws_11,
4705         kf_ws_12,
4706         kf_ws_13,
4707         kf_ws_14,
4708         kf_ws_15,
4709         kf_ws_16,
4710         kf_ws_17,
4711         kf_ws_18,
4712         kf_ws_19,
4713         kf_ws_20,
4714         kf_ws_21,
4715         kf_ws_22,
4716         kf_ws_next,
4717         kf_ws_prev,
4718         kf_ws_next_all,
4719         kf_ws_prev_all,
4720         kf_ws_prior,
4721         kf_screen_next,
4722         kf_screen_prev,
4723         kf_mvws_1,
4724         kf_mvws_2,
4725         kf_mvws_3,
4726         kf_mvws_4,
4727         kf_mvws_5,
4728         kf_mvws_6,
4729         kf_mvws_7,
4730         kf_mvws_8,
4731         kf_mvws_9,
4732         kf_mvws_10,
4733         kf_mvws_11,
4734         kf_mvws_12,
4735         kf_mvws_13,
4736         kf_mvws_14,
4737         kf_mvws_15,
4738         kf_mvws_16,
4739         kf_mvws_17,
4740         kf_mvws_18,
4741         kf_mvws_19,
4742         kf_mvws_20,
4743         kf_mvws_21,
4744         kf_mvws_22,
4745         kf_bar_toggle,
4746         kf_wind_kill,
4747         kf_wind_del,
4748         kf_float_toggle,
4749         kf_version,
4750         kf_spawn_custom,
4751         kf_iconify,
4752         kf_uniconify,
4753         kf_raise_toggle,
4754         kf_button2,
4755         kf_width_shrink,
4756         kf_width_grow,
4757         kf_height_shrink,
4758         kf_height_grow,
4759         kf_move_left,
4760         kf_move_right,
4761         kf_move_up,
4762         kf_move_down,
4763         kf_name_workspace,
4764         kf_search_workspace,
4765         kf_search_win,
4766         kf_dumpwins, /* MUST BE LAST */
4767         kf_invalid
4768 };
4769
4770 /* key definitions */
4771 void
4772 dummykeyfunc(struct swm_region *r, union arg *args)
4773 {
4774 };
4775
4776 struct keyfunc {
4777         char                    name[SWM_FUNCNAME_LEN];
4778         void                    (*func)(struct swm_region *r, union arg *);
4779         union arg               args;
4780 } keyfuncs[kf_invalid + 1] = {
4781         /* name                 function        argument */
4782         { "cycle_layout",       cycle_layout,   {0} },
4783         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4784         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4785         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4786         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4787         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4788         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4789         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4790         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4791         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4792         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4793         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4794         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4795         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4796         { "quit",               quit,           {0} },
4797         { "restart",            restart,        {0} },
4798         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4799         { "ws_1",               switchws,       {.id = 0} },
4800         { "ws_2",               switchws,       {.id = 1} },
4801         { "ws_3",               switchws,       {.id = 2} },
4802         { "ws_4",               switchws,       {.id = 3} },
4803         { "ws_5",               switchws,       {.id = 4} },
4804         { "ws_6",               switchws,       {.id = 5} },
4805         { "ws_7",               switchws,       {.id = 6} },
4806         { "ws_8",               switchws,       {.id = 7} },
4807         { "ws_9",               switchws,       {.id = 8} },
4808         { "ws_10",              switchws,       {.id = 9} },
4809         { "ws_11",              switchws,       {.id = 10} },
4810         { "ws_12",              switchws,       {.id = 11} },
4811         { "ws_13",              switchws,       {.id = 12} },
4812         { "ws_14",              switchws,       {.id = 13} },
4813         { "ws_15",              switchws,       {.id = 14} },
4814         { "ws_16",              switchws,       {.id = 15} },
4815         { "ws_17",              switchws,       {.id = 16} },
4816         { "ws_18",              switchws,       {.id = 17} },
4817         { "ws_19",              switchws,       {.id = 18} },
4818         { "ws_20",              switchws,       {.id = 19} },
4819         { "ws_21",              switchws,       {.id = 20} },
4820         { "ws_22",              switchws,       {.id = 21} },
4821         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4822         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4823         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4824         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4825         { "ws_prior",           priorws,        {0} },
4826         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4827         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4828         { "mvws_1",             send_to_ws,     {.id = 0} },
4829         { "mvws_2",             send_to_ws,     {.id = 1} },
4830         { "mvws_3",             send_to_ws,     {.id = 2} },
4831         { "mvws_4",             send_to_ws,     {.id = 3} },
4832         { "mvws_5",             send_to_ws,     {.id = 4} },
4833         { "mvws_6",             send_to_ws,     {.id = 5} },
4834         { "mvws_7",             send_to_ws,     {.id = 6} },
4835         { "mvws_8",             send_to_ws,     {.id = 7} },
4836         { "mvws_9",             send_to_ws,     {.id = 8} },
4837         { "mvws_10",            send_to_ws,     {.id = 9} },
4838         { "mvws_11",            send_to_ws,     {.id = 10} },
4839         { "mvws_12",            send_to_ws,     {.id = 11} },
4840         { "mvws_13",            send_to_ws,     {.id = 12} },
4841         { "mvws_14",            send_to_ws,     {.id = 13} },
4842         { "mvws_15",            send_to_ws,     {.id = 14} },
4843         { "mvws_16",            send_to_ws,     {.id = 15} },
4844         { "mvws_17",            send_to_ws,     {.id = 16} },
4845         { "mvws_18",            send_to_ws,     {.id = 17} },
4846         { "mvws_19",            send_to_ws,     {.id = 18} },
4847         { "mvws_20",            send_to_ws,     {.id = 19} },
4848         { "mvws_21",            send_to_ws,     {.id = 20} },
4849         { "mvws_22",            send_to_ws,     {.id = 21} },
4850         { "bar_toggle",         bar_toggle,     {0} },
4851         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4852         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4853         { "float_toggle",       floating_toggle,{0} },
4854         { "version",            version,        {0} },
4855         { "spawn_custom",       dummykeyfunc,   {0} },
4856         { "iconify",            iconify,        {0} },
4857         { "uniconify",          uniconify,      {0} },
4858         { "raise_toggle",       raise_toggle,   {0} },
4859         { "button2",            pressbutton,    {2} },
4860         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4861         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4862         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4863         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4864         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4865         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4866         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4867         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4868         { "name_workspace",     name_workspace, {0} },
4869         { "search_workspace",   search_workspace,       {0} },
4870         { "search_win",         search_win,     {0} },
4871         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4872         { "invalid key func",   NULL,           {0} },
4873 };
4874 struct key {
4875         RB_ENTRY(key)           entry;
4876         unsigned int            mod;
4877         KeySym                  keysym;
4878         enum keyfuncid          funcid;
4879         char                    *spawn_name;
4880 };
4881 RB_HEAD(key_tree, key);
4882
4883 int
4884 key_cmp(struct key *kp1, struct key *kp2)
4885 {
4886         if (kp1->keysym < kp2->keysym)
4887                 return (-1);
4888         if (kp1->keysym > kp2->keysym)
4889                 return (1);
4890
4891         if (kp1->mod < kp2->mod)
4892                 return (-1);
4893         if (kp1->mod > kp2->mod)
4894                 return (1);
4895
4896         return (0);
4897 }
4898
4899 RB_GENERATE(key_tree, key, entry, key_cmp);
4900 struct key_tree                 keys;
4901
4902 /* mouse */
4903 enum { client_click, root_click };
4904 struct button {
4905         unsigned int            action;
4906         unsigned int            mask;
4907         unsigned int            button;
4908         void                    (*func)(struct ws_win *, union arg *);
4909         union arg               args;
4910 } buttons[] = {
4911           /* action     key             mouse button    func    args */
4912         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4913         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4914         { client_click, MODKEY,         Button1,        move,   {0} },
4915 };
4916
4917 void
4918 update_modkey(unsigned int mod)
4919 {
4920         int                     i;
4921         struct key              *kp;
4922
4923         mod_key = mod;
4924         RB_FOREACH(kp, key_tree, &keys)
4925                 if (kp->mod & ShiftMask)
4926                         kp->mod = mod | ShiftMask;
4927                 else
4928                         kp->mod = mod;
4929
4930         for (i = 0; i < LENGTH(buttons); i++)
4931                 if (buttons[i].mask & ShiftMask)
4932                         buttons[i].mask = mod | ShiftMask;
4933                 else
4934                         buttons[i].mask = mod;
4935 }
4936
4937 /* spawn */
4938 struct spawn_prog {
4939         TAILQ_ENTRY(spawn_prog) entry;
4940         char                    *name;
4941         int                     argc;
4942         char                    **argv;
4943 };
4944 TAILQ_HEAD(spawn_list, spawn_prog);
4945 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4946
4947 int
4948 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4949     char ***ret_args)
4950 {
4951         struct spawn_prog       *prog = NULL;
4952         int                     i;
4953         char                    *ap, **real_args;
4954
4955         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4956
4957         /* find program */
4958         TAILQ_FOREACH(prog, &spawns, entry) {
4959                 if (!strcasecmp(spawn_name, prog->name))
4960                         break;
4961         }
4962         if (prog == NULL) {
4963                 warnx("spawn_custom: program %s not found", spawn_name);
4964                 return (-1);
4965         }
4966
4967         /* make room for expanded args */
4968         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4969                 err(1, "spawn_custom: calloc real_args");
4970
4971         /* expand spawn_args into real_args */
4972         for (i = 0; i < prog->argc; i++) {
4973                 ap = prog->argv[i];
4974                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4975                 if (!strcasecmp(ap, "$bar_border")) {
4976                         if ((real_args[i] =
4977                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4978                             == NULL)
4979                                 err(1,  "spawn_custom border color");
4980                 } else if (!strcasecmp(ap, "$bar_color")) {
4981                         if ((real_args[i] =
4982                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4983                             == NULL)
4984                                 err(1, "spawn_custom bar color");
4985                 } else if (!strcasecmp(ap, "$bar_font")) {
4986                         if ((real_args[i] = strdup(bar_fonts))
4987                             == NULL)
4988                                 err(1, "spawn_custom bar fonts");
4989                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4990                         if ((real_args[i] =
4991                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4992                             == NULL)
4993                                 err(1, "spawn_custom color font");
4994                 } else if (!strcasecmp(ap, "$color_focus")) {
4995                         if ((real_args[i] =
4996                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4997                             == NULL)
4998                                 err(1, "spawn_custom color focus");
4999                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5000                         if ((real_args[i] =
5001                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5002                             == NULL)
5003                                 err(1, "spawn_custom color unfocus");
5004                 } else {
5005                         /* no match --> copy as is */
5006                         if ((real_args[i] = strdup(ap)) == NULL)
5007                                 err(1, "spawn_custom strdup(ap)");
5008                 }
5009                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5010                     real_args[i]);
5011         }
5012
5013 #ifdef SWM_DEBUG
5014         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5015         for (i = 0; i < prog->argc; i++)
5016                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5017         DNPRINTF(SWM_D_SPAWN, "\n");
5018 #endif
5019         *ret_args = real_args;
5020         return (prog->argc);
5021 }
5022
5023 void
5024 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5025 {
5026         union arg               a;
5027         char                    **real_args;
5028         int                     spawn_argc, i;
5029
5030         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5031                 return;
5032         a.argv = real_args;
5033         if (fork() == 0)
5034                 spawn(r->ws->idx, &a, 1);
5035
5036         for (i = 0; i < spawn_argc; i++)
5037                 free(real_args[i]);
5038         free(real_args);
5039 }
5040
5041 void
5042 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5043 {
5044         union arg               a;
5045         char                    **real_args;
5046         int                     i, spawn_argc;
5047
5048         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5049                 return;
5050         a.argv = real_args;
5051
5052         if (pipe(select_list_pipe) == -1)
5053                 err(1, "pipe error");
5054         if (pipe(select_resp_pipe) == -1)
5055                 err(1, "pipe error");
5056
5057         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5058                 err(1, "could not disable SIGPIPE");
5059         switch (*pid = fork()) {
5060         case -1:
5061                 err(1, "cannot fork");
5062                 break;
5063         case 0: /* child */
5064                 if (dup2(select_list_pipe[0], 0) == -1)
5065                         err(1, "dup2");
5066                 if (dup2(select_resp_pipe[1], 1) == -1)
5067                         err(1, "dup2");
5068                 close(select_list_pipe[1]);
5069                 close(select_resp_pipe[0]);
5070                 spawn(r->ws->idx, &a, 0);
5071                 break;
5072         default: /* parent */
5073                 close(select_list_pipe[0]);
5074                 close(select_resp_pipe[1]);
5075                 break;
5076         }
5077
5078         for (i = 0; i < spawn_argc; i++)
5079                 free(real_args[i]);
5080         free(real_args);
5081 }
5082
5083 void
5084 spawn_insert(char *name, char *args)
5085 {
5086         char                    *arg, *cp, *ptr;
5087         struct spawn_prog       *sp;
5088
5089         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5090
5091         if ((sp = calloc(1, sizeof *sp)) == NULL)
5092                 err(1, "spawn_insert: malloc");
5093         if ((sp->name = strdup(name)) == NULL)
5094                 err(1, "spawn_insert: strdup");
5095
5096         /* convert the arguments to an argument list */
5097         if ((ptr = cp = strdup(args)) == NULL)
5098                 err(1, "spawn_insert: strdup");
5099         while ((arg = strsep(&ptr, " \t")) != NULL) {
5100                 /* empty field; skip it */
5101                 if (*arg == '\0')
5102                         continue;
5103
5104                 sp->argc++;
5105                 if ((sp->argv = realloc(sp->argv, sp->argc *
5106                     sizeof *sp->argv)) == NULL)
5107                         err(1, "spawn_insert: realloc");
5108                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5109                         err(1, "spawn_insert: strdup");
5110         }
5111         free(cp);
5112
5113         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5114         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5115 }
5116
5117 void
5118 spawn_remove(struct spawn_prog *sp)
5119 {
5120         int                     i;
5121
5122         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5123
5124         TAILQ_REMOVE(&spawns, sp, entry);
5125         for (i = 0; i < sp->argc; i++)
5126                 free(sp->argv[i]);
5127         free(sp->argv);
5128         free(sp->name);
5129         free(sp);
5130
5131         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5132 }
5133
5134 void
5135 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5136 {
5137         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5138
5139         spawn_remove(sp);
5140         spawn_insert(name, args);
5141
5142         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5143 }
5144
5145 void
5146 setspawn(char *name, char *args)
5147 {
5148         struct spawn_prog       *sp;
5149
5150         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5151
5152         if (name == NULL)
5153                 return;
5154
5155         TAILQ_FOREACH(sp, &spawns, entry) {
5156                 if (!strcmp(sp->name, name)) {
5157                         if (*args == '\0')
5158                                 spawn_remove(sp);
5159                         else
5160                                 spawn_replace(sp, name, args);
5161                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5162                         return;
5163                 }
5164         }
5165         if (*args == '\0') {
5166                 warnx("error: setspawn: cannot find program: %s", name);
5167                 return;
5168         }
5169
5170         spawn_insert(name, args);
5171         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5172 }
5173
5174 int
5175 setconfspawn(char *selector, char *value, int flags)
5176 {
5177         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5178
5179         setspawn(selector, value);
5180
5181         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5182         return (0);
5183 }
5184
5185 void
5186 setup_spawn(void)
5187 {
5188         setconfspawn("term",            "xterm",                0);
5189         setconfspawn("spawn_term",      "xterm",                0);
5190         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5191         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5192         setconfspawn("lock",            "xlock",                0);
5193         setconfspawn("initscr",         "initscreen.sh",        0);
5194         setconfspawn("menu",            "dmenu_run"
5195                                         " -fn $bar_font"
5196                                         " -nb $bar_color"
5197                                         " -nf $bar_font_color"
5198                                         " -sb $bar_border"
5199                                         " -sf $bar_color",      0);
5200         setconfspawn("search",          "dmenu"
5201                                         " -i"
5202                                         " -fn $bar_font"
5203                                         " -nb $bar_color"
5204                                         " -nf $bar_font_color"
5205                                         " -sb $bar_border"
5206                                         " -sf $bar_color",      0);
5207         setconfspawn("name_workspace",  "dmenu"
5208                                         " -p Workspace"
5209                                         " -fn $bar_font"
5210                                         " -nb $bar_color"
5211                                         " -nf $bar_font_color"
5212                                         " -sb $bar_border"
5213                                         " -sf $bar_color",      0);
5214 }
5215
5216 /* key bindings */
5217 #define SWM_MODNAME_SIZE        32
5218 #define SWM_KEY_WS              "\n+ \t"
5219 int
5220 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5221 {
5222         char                    *cp, *name;
5223         KeySym                  uks;
5224         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5225         if (mod == NULL || ks == NULL) {
5226                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5227                 return (1);
5228         }
5229         if (keystr == NULL || strlen(keystr) == 0) {
5230                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5231                 return (1);
5232         }
5233         cp = keystr;
5234         *ks = NoSymbol;
5235         *mod = 0;
5236         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5237                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5238                 if (cp)
5239                         cp += (long)strspn(cp, SWM_KEY_WS);
5240                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5241                         *mod |= currmod;
5242                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5243                         *mod |= Mod1Mask;
5244                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5245                         *mod += Mod2Mask;
5246                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5247                         *mod |= Mod3Mask;
5248                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5249                         *mod |= Mod4Mask;
5250                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5251                         *mod |= ShiftMask;
5252                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5253                         *mod |= ControlMask;
5254                 else {
5255                         *ks = XStringToKeysym(name);
5256                         XConvertCase(*ks, ks, &uks);
5257                         if (ks == NoSymbol) {
5258                                 DNPRINTF(SWM_D_KEY,
5259                                     "parsekeys: invalid key %s\n",
5260                                     name);
5261                                 return (1);
5262                         }
5263                 }
5264         }
5265         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5266         return (0);
5267 }
5268
5269 char *
5270 strdupsafe(char *str)
5271 {
5272         if (str == NULL)
5273                 return (NULL);
5274         else
5275                 return (strdup(str));
5276 }
5277
5278 void
5279 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5280 {
5281         struct key              *kp;
5282
5283         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5284             keyfuncs[kfid].name, spawn_name);
5285
5286         if ((kp = malloc(sizeof *kp)) == NULL)
5287                 err(1, "key_insert: malloc");
5288
5289         kp->mod = mod;
5290         kp->keysym = ks;
5291         kp->funcid = kfid;
5292         kp->spawn_name = strdupsafe(spawn_name);
5293         RB_INSERT(key_tree, &keys, kp);
5294
5295         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5296 }
5297
5298 struct key *
5299 key_lookup(unsigned int mod, KeySym ks)
5300 {
5301         struct key              kp;
5302
5303         kp.keysym = ks;
5304         kp.mod = mod;
5305
5306         return (RB_FIND(key_tree, &keys, &kp));
5307 }
5308
5309 void
5310 key_remove(struct key *kp)
5311 {
5312         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5313
5314         RB_REMOVE(key_tree, &keys, kp);
5315         free(kp->spawn_name);
5316         free(kp);
5317
5318         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5319 }
5320
5321 void
5322 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5323     char *spawn_name)
5324 {
5325         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5326             spawn_name);
5327
5328         key_remove(kp);
5329         key_insert(mod, ks, kfid, spawn_name);
5330
5331         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5332 }
5333
5334 void
5335 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5336     char *spawn_name)
5337 {
5338         struct key              *kp;
5339
5340         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5341             keyfuncs[kfid].name, spawn_name);
5342
5343         if ((kp = key_lookup(mod, ks)) != NULL) {
5344                 if (kfid == kf_invalid)
5345                         key_remove(kp);
5346                 else
5347                         key_replace(kp, mod, ks, kfid, spawn_name);
5348                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5349                 return;
5350         }
5351         if (kfid == kf_invalid) {
5352                 warnx("error: setkeybinding: cannot find mod/key combination");
5353                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5354                 return;
5355         }
5356
5357         key_insert(mod, ks, kfid, spawn_name);
5358         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5359 }
5360
5361 int
5362 setconfbinding(char *selector, char *value, int flags)
5363 {
5364         enum keyfuncid          kfid;
5365         unsigned int            mod;
5366         KeySym                  ks;
5367         struct spawn_prog       *sp;
5368         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5369         if (selector == NULL) {
5370                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5371                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5372                         kfid = kf_invalid;
5373                         setkeybinding(mod, ks, kfid, NULL);
5374                         return (0);
5375                 } else
5376                         return (1);
5377         }
5378         /* search by key function name */
5379         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5380                 if (strncasecmp(selector, keyfuncs[kfid].name,
5381                     SWM_FUNCNAME_LEN) == 0) {
5382                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5383                             selector);
5384                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5385                                 setkeybinding(mod, ks, kfid, NULL);
5386                                 return (0);
5387                         } else
5388                                 return (1);
5389                 }
5390         }
5391         /* search by custom spawn name */
5392         TAILQ_FOREACH(sp, &spawns, entry) {
5393                 if (strcasecmp(selector, sp->name) == 0) {
5394                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5395                             selector);
5396                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5397                                 setkeybinding(mod, ks, kf_spawn_custom,
5398                                     sp->name);
5399                                 return (0);
5400                         } else
5401                                 return (1);
5402                 }
5403         }
5404         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5405         return (1);
5406 }
5407
5408 void
5409 setup_keys(void)
5410 {
5411         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5412         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5413         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5414         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5415         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5416         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5417         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5418         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5419         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5420         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5421         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5422         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5423         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5424         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5425         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5426         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5427         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5428         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5429         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5430         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5431         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5432         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5433         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5434         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5435         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5436         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5437         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5438         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5439         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5440         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5441         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5442         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5443         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5444         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5445         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5446         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5447         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5448         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5449         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5450         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5451         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5452         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5453         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5454         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5455         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5456         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5457         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5458         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5459         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5460         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5461         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5462         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5463         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5464         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5465         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5466         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5467         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5468         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5469         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5470         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5471         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5472         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5473         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5474         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5475         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5476         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5477         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5478         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5479         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5480         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5481         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5482         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5483         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5484         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5485         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5486         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5487         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5488         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5489         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5490         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5491         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5492         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5493         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5494         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5495         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5496         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5497         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5498         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5499         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5500         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5501         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5502         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5503         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5504         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5505         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5506         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5507 #ifdef SWM_DEBUG
5508         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5509 #endif
5510 }
5511
5512 void
5513 clear_keys(void)
5514 {
5515         struct key              *kp;
5516
5517         while (RB_EMPTY(&keys) == 0) {
5518                 kp = RB_ROOT(&keys);
5519                 key_remove(kp);
5520         }
5521 }
5522
5523 int
5524 setkeymapping(char *selector, char *value, int flags)
5525 {
5526         char                    keymapping_file[PATH_MAX];
5527         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5528         if (value[0] == '~')
5529                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5530                     pwd->pw_dir, &value[1]);
5531         else
5532                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5533         clear_keys();
5534         /* load new key bindings; if it fails, revert to default bindings */
5535         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5536                 clear_keys();
5537                 setup_keys();
5538         }
5539         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5540         return (0);
5541 }
5542
5543 void
5544 updatenumlockmask(void)
5545 {
5546         unsigned int                            i, j;
5547         xcb_get_modifier_mapping_reply_t        *modmap_r;
5548         xcb_keycode_t                           *modmap, kc;
5549
5550         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5551         numlockmask = 0;
5552
5553         modmap_r = xcb_get_modifier_mapping_reply(conn,
5554                 xcb_get_modifier_mapping(conn),
5555                 NULL);
5556         if (modmap_r) {
5557                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5558                 for (i = 0; i < 8; i++) {
5559                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5560                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5561                                         + j];
5562
5563                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5564                                                 XK_Num_Lock)))
5565                                         numlockmask = (1 << i);
5566                         }
5567                 }
5568                 free(modmap_r);
5569         }
5570 }
5571
5572 void
5573 grabkeys(void)
5574 {
5575         int                     num_screens;
5576         unsigned int            j, k;
5577         xcb_keycode_t           *code;
5578         unsigned int            modifiers[] =
5579             { 0, LockMask, numlockmask, numlockmask | LockMask };
5580         struct key              *kp;
5581
5582         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5583         updatenumlockmask();
5584
5585         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5586         for (k = 0; k < num_screens; k++) {
5587                 if (TAILQ_EMPTY(&screens[k].rl))
5588                         continue;
5589                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5590                         XCB_MOD_MASK_ANY);
5591                 RB_FOREACH(kp, key_tree, &keys) {
5592                         if ((code = xcb_key_symbols_get_keycode(syms,
5593                                         kp->keysym)))
5594                                 for (j = 0; j < LENGTH(modifiers); j++)
5595                                         xcb_grab_key(conn, True,
5596                                             screens[k].root,
5597                                             kp->mod | modifiers[j],
5598                                             *code, XCB_GRAB_MODE_ASYNC,
5599                                             XCB_GRAB_MODE_ASYNC);
5600                 }
5601         }
5602 }
5603
5604 void
5605 grabbuttons(struct ws_win *win, int focused)
5606 {
5607         unsigned int            i, j;
5608         unsigned int            modifiers[] =
5609             { 0, LockMask, numlockmask, numlockmask|LockMask };
5610
5611         updatenumlockmask();
5612         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5613                 XCB_BUTTON_MASK_ANY);
5614         if (focused) {
5615                 for (i = 0; i < LENGTH(buttons); i++)
5616                         if (buttons[i].action == client_click)
5617                                 for (j = 0; j < LENGTH(modifiers); j++)
5618                                         xcb_grab_button(conn, False, win->id,
5619                                                 BUTTONMASK,
5620                                                 XCB_GRAB_MODE_ASYNC,
5621                                                 XCB_GRAB_MODE_SYNC,
5622                                                 XCB_WINDOW_NONE,
5623                                                 XCB_CURSOR_NONE,
5624                                                 buttons[i].button,
5625                                                 buttons[i].mask);
5626         } else
5627                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5628                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5629                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5630                         XCB_BUTTON_MASK_ANY);
5631 }
5632
5633 const char *quirkname[] = {
5634         "NONE",         /* config string for "no value" */
5635         "FLOAT",
5636         "TRANSSZ",
5637         "ANYWHERE",
5638         "XTERM_FONTADJ",
5639         "FULLSCREEN",
5640         "FOCUSPREV",
5641 };
5642
5643 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5644 #define SWM_Q_WS                "\n|+ \t"
5645 int
5646 parsequirks(char *qstr, unsigned long *quirk)
5647 {
5648         char                    *cp, *name;
5649         int                     i;
5650
5651         if (quirk == NULL)
5652                 return (1);
5653
5654         cp = qstr;
5655         *quirk = 0;
5656         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5657                 if (cp)
5658                         cp += (long)strspn(cp, SWM_Q_WS);
5659                 for (i = 0; i < LENGTH(quirkname); i++) {
5660                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5661                                 DNPRINTF(SWM_D_QUIRK,
5662                                     "parsequirks: %s\n", name);
5663                                 if (i == 0) {
5664                                         *quirk = 0;
5665                                         return (0);
5666                                 }
5667                                 *quirk |= 1 << (i-1);
5668                                 break;
5669                         }
5670                 }
5671                 if (i >= LENGTH(quirkname)) {
5672                         DNPRINTF(SWM_D_QUIRK,
5673                             "parsequirks: invalid quirk [%s]\n", name);
5674                         return (1);
5675                 }
5676         }
5677         return (0);
5678 }
5679
5680 void
5681 quirk_insert(const char *class, const char *name, unsigned long quirk)
5682 {
5683         struct quirk            *qp;
5684
5685         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5686             quirk);
5687
5688         if ((qp = malloc(sizeof *qp)) == NULL)
5689                 err(1, "quirk_insert: malloc");
5690         if ((qp->class = strdup(class)) == NULL)
5691                 err(1, "quirk_insert: strdup");
5692         if ((qp->name = strdup(name)) == NULL)
5693                 err(1, "quirk_insert: strdup");
5694
5695         qp->quirk = quirk;
5696         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5697
5698         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5699 }
5700
5701 void
5702 quirk_remove(struct quirk *qp)
5703 {
5704         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5705             qp->name, qp->quirk);
5706
5707         TAILQ_REMOVE(&quirks, qp, entry);
5708         free(qp->class);
5709         free(qp->name);
5710         free(qp);
5711
5712         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5713 }
5714
5715 void
5716 quirk_replace(struct quirk *qp, const char *class, const char *name,
5717     unsigned long quirk)
5718 {
5719         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5720             qp->name, qp->quirk);
5721
5722         quirk_remove(qp);
5723         quirk_insert(class, name, quirk);
5724
5725         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5726 }
5727
5728 void
5729 setquirk(const char *class, const char *name, unsigned long quirk)
5730 {
5731         struct quirk            *qp;
5732
5733         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5734            quirk);
5735
5736         TAILQ_FOREACH(qp, &quirks, entry) {
5737                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5738                         if (!quirk)
5739                                 quirk_remove(qp);
5740                         else
5741                                 quirk_replace(qp, class, name, quirk);
5742                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5743                         return;
5744                 }
5745         }
5746         if (!quirk) {
5747                 warnx("error: setquirk: cannot find class/name combination");
5748                 return;
5749         }
5750
5751         quirk_insert(class, name, quirk);
5752         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5753 }
5754
5755 int
5756 setconfquirk(char *selector, char *value, int flags)
5757 {
5758         char                    *cp, *class, *name;
5759         int                     retval;
5760         unsigned long           quirks;
5761         if (selector == NULL)
5762                 return (0);
5763         if ((cp = strchr(selector, ':')) == NULL)
5764                 return (0);
5765         *cp = '\0';
5766         class = selector;
5767         name = cp + 1;
5768         if ((retval = parsequirks(value, &quirks)) == 0)
5769                 setquirk(class, name, quirks);
5770         return (retval);
5771 }
5772
5773 void
5774 setup_quirks(void)
5775 {
5776         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5777         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5778         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5779         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5780         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5781         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5782         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5783         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5784         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5785         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5786         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5787         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5788         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5789 }
5790
5791 /* conf file stuff */
5792 #define SWM_CONF_FILE           "spectrwm.conf"
5793 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5794
5795 enum {
5796         SWM_S_BAR_ACTION,
5797         SWM_S_BAR_AT_BOTTOM,
5798         SWM_S_BAR_BORDER_WIDTH,
5799         SWM_S_BAR_DELAY,
5800         SWM_S_BAR_ENABLED,
5801         SWM_S_BAR_FONT,
5802         SWM_S_BAR_FORMAT,
5803         SWM_S_BAR_JUSTIFY,
5804         SWM_S_BORDER_WIDTH,
5805         SWM_S_CLOCK_ENABLED,
5806         SWM_S_CLOCK_FORMAT,
5807         SWM_S_CYCLE_EMPTY,
5808         SWM_S_CYCLE_VISIBLE,
5809         SWM_S_DIALOG_RATIO,
5810         SWM_S_DISABLE_BORDER,
5811         SWM_S_FOCUS_CLOSE,
5812         SWM_S_FOCUS_CLOSE_WRAP,
5813         SWM_S_FOCUS_DEFAULT,
5814         SWM_S_FOCUS_MODE,
5815         SWM_S_SPAWN_ORDER,
5816         SWM_S_SPAWN_TERM,
5817         SWM_S_SS_APP,
5818         SWM_S_SS_ENABLED,
5819         SWM_S_STACK_ENABLED,
5820         SWM_S_TERM_WIDTH,
5821         SWM_S_TITLE_CLASS_ENABLED,
5822         SWM_S_TITLE_NAME_ENABLED,
5823         SWM_S_URGENT_ENABLED,
5824         SWM_S_VERBOSE_LAYOUT,
5825         SWM_S_WINDOW_NAME_ENABLED,
5826         SWM_S_WORKSPACE_LIMIT
5827 };
5828
5829 int
5830 setconfvalue(char *selector, char *value, int flags)
5831 {
5832         int     i;
5833         char    *b;
5834
5835         switch (flags) {
5836         case SWM_S_BAR_ACTION:
5837                 free(bar_argv[0]);
5838                 if ((bar_argv[0] = strdup(value)) == NULL)
5839                         err(1, "setconfvalue: bar_action");
5840                 break;
5841         case SWM_S_BAR_AT_BOTTOM:
5842                 bar_at_bottom = atoi(value);
5843                 break;
5844         case SWM_S_BAR_BORDER_WIDTH:
5845                 bar_border_width = atoi(value);
5846                 if (bar_border_width < 0)
5847                         bar_border_width = 0;
5848                 break;
5849         case SWM_S_BAR_DELAY:
5850                 bar_delay = atoi(value);
5851                 break;
5852         case SWM_S_BAR_ENABLED:
5853                 bar_enabled = atoi(value);
5854                 break;
5855         case SWM_S_BAR_FONT:
5856                 b = bar_fonts;
5857                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5858                         err(1, "setconfvalue: asprintf: failed to allocate "
5859                                 "memory for bar_fonts.");
5860
5861                 free(b);
5862                 break;
5863         case SWM_S_BAR_FORMAT:
5864                 free(bar_format);
5865                 if ((bar_format = strdup(value)) == NULL)
5866                         err(1, "setconfvalue: bar_format");
5867                 break;
5868         case SWM_S_BAR_JUSTIFY:
5869                 if (!strcmp(value, "left"))
5870                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5871                 else if (!strcmp(value, "center"))
5872                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5873                 else if (!strcmp(value, "right"))
5874                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5875                 else
5876                         errx(1, "invalid bar_justify");
5877                 break;
5878         case SWM_S_BORDER_WIDTH:
5879                 border_width = atoi(value);
5880                 if (border_width < 0)
5881                         border_width = 0;
5882                 break;
5883         case SWM_S_CLOCK_ENABLED:
5884                 clock_enabled = atoi(value);
5885                 break;
5886         case SWM_S_CLOCK_FORMAT:
5887 #ifndef SWM_DENY_CLOCK_FORMAT
5888                 free(clock_format);
5889                 if ((clock_format = strdup(value)) == NULL)
5890                         err(1, "setconfvalue: clock_format");
5891 #endif
5892                 break;
5893         case SWM_S_CYCLE_EMPTY:
5894                 cycle_empty = atoi(value);
5895                 break;
5896         case SWM_S_CYCLE_VISIBLE:
5897                 cycle_visible = atoi(value);
5898                 break;
5899         case SWM_S_DIALOG_RATIO:
5900                 dialog_ratio = atof(value);
5901                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5902                         dialog_ratio = .6;
5903                 break;
5904         case SWM_S_DISABLE_BORDER:
5905                 disable_border = atoi(value);
5906                 break;
5907         case SWM_S_FOCUS_CLOSE:
5908                 if (!strcmp(value, "first"))
5909                         focus_close = SWM_STACK_BOTTOM;
5910                 else if (!strcmp(value, "last"))
5911                         focus_close = SWM_STACK_TOP;
5912                 else if (!strcmp(value, "next"))
5913                         focus_close = SWM_STACK_ABOVE;
5914                 else if (!strcmp(value, "previous"))
5915                         focus_close = SWM_STACK_BELOW;
5916                 else
5917                         errx(1, "focus_close");
5918                 break;
5919         case SWM_S_FOCUS_CLOSE_WRAP:
5920                 focus_close_wrap = atoi(value);
5921                 break;
5922         case SWM_S_FOCUS_DEFAULT:
5923                 if (!strcmp(value, "last"))
5924                         focus_default = SWM_STACK_TOP;
5925                 else if (!strcmp(value, "first"))
5926                         focus_default = SWM_STACK_BOTTOM;
5927                 else
5928                         errx(1, "focus_default");
5929                 break;
5930         case SWM_S_FOCUS_MODE:
5931                 if (!strcmp(value, "default"))
5932                         focus_mode = SWM_FOCUS_DEFAULT;
5933                 else if (!strcmp(value, "follow_cursor"))
5934                         focus_mode = SWM_FOCUS_FOLLOW;
5935                 else if (!strcmp(value, "synergy"))
5936                         focus_mode = SWM_FOCUS_SYNERGY;
5937                 else
5938                         errx(1, "focus_mode");
5939                 break;
5940         case SWM_S_SPAWN_ORDER:
5941                 if (!strcmp(value, "first"))
5942                         spawn_position = SWM_STACK_BOTTOM;
5943                 else if (!strcmp(value, "last"))
5944                         spawn_position = SWM_STACK_TOP;
5945                 else if (!strcmp(value, "next"))
5946                         spawn_position = SWM_STACK_ABOVE;
5947                 else if (!strcmp(value, "previous"))
5948                         spawn_position = SWM_STACK_BELOW;
5949                 else
5950                         errx(1, "spawn_position");
5951                 break;
5952         case SWM_S_SPAWN_TERM:
5953                 setconfspawn("term", value, 0);
5954                 setconfspawn("spawn_term", value, 0);
5955                 break;
5956         case SWM_S_SS_APP:
5957                 break;
5958         case SWM_S_SS_ENABLED:
5959                 ss_enabled = atoi(value);
5960                 break;
5961         case SWM_S_STACK_ENABLED:
5962                 stack_enabled = atoi(value);
5963                 break;
5964         case SWM_S_TERM_WIDTH:
5965                 term_width = atoi(value);
5966                 if (term_width < 0)
5967                         term_width = 0;
5968                 break;
5969         case SWM_S_TITLE_CLASS_ENABLED:
5970                 title_class_enabled = atoi(value);
5971                 break;
5972         case SWM_S_TITLE_NAME_ENABLED:
5973                 title_name_enabled = atoi(value);
5974                 break;
5975         case SWM_S_URGENT_ENABLED:
5976                 urgent_enabled = atoi(value);
5977                 break;
5978         case SWM_S_VERBOSE_LAYOUT:
5979                 verbose_layout = atoi(value);
5980                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5981                         if (verbose_layout)
5982                                 layouts[i].l_string = fancy_stacker;
5983                         else
5984                                 layouts[i].l_string = plain_stacker;
5985                 }
5986                 break;
5987         case SWM_S_WINDOW_NAME_ENABLED:
5988                 window_name_enabled = atoi(value);
5989                 break;
5990         case SWM_S_WORKSPACE_LIMIT:
5991                 workspace_limit = atoi(value);
5992                 if (workspace_limit > SWM_WS_MAX)
5993                         workspace_limit = SWM_WS_MAX;
5994                 else if (workspace_limit < 1)
5995                         workspace_limit = 1;
5996                 break;
5997         default:
5998                 return (1);
5999         }
6000         return (0);
6001 }
6002
6003 int
6004 setconfmodkey(char *selector, char *value, int flags)
6005 {
6006         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6007                 update_modkey(Mod1Mask);
6008         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6009                 update_modkey(Mod2Mask);
6010         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6011                 update_modkey(Mod3Mask);
6012         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6013                 update_modkey(Mod4Mask);
6014         else
6015                 return (1);
6016         return (0);
6017 }
6018
6019 int
6020 setconfcolor(char *selector, char *value, int flags)
6021 {
6022         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6023         return (0);
6024 }
6025
6026 int
6027 setconfregion(char *selector, char *value, int flags)
6028 {
6029         custom_region(value);
6030         return (0);
6031 }
6032
6033 int
6034 setautorun(char *selector, char *value, int flags)
6035 {
6036         int                     ws_id;
6037         char                    s[1024];
6038         char                    *ap, *sp = s;
6039         union arg               a;
6040         int                     argc = 0;
6041         long                    pid;
6042         struct pid_e            *p;
6043
6044         if (getenv("SWM_STARTED"))
6045                 return (0);
6046
6047         bzero(s, sizeof s);
6048         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6049                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6050         ws_id--;
6051         if (ws_id < 0 || ws_id >= workspace_limit)
6052                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6053
6054         /*
6055          * This is a little intricate
6056          *
6057          * If the pid already exists we simply reuse it because it means it was
6058          * used before AND not claimed by manage_window.  We get away with
6059          * altering it in the parent after INSERT because this can not be a race
6060          */
6061         a.argv = NULL;
6062         while ((ap = strsep(&sp, " \t")) != NULL) {
6063                 if (*ap == '\0')
6064                         continue;
6065                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6066                 argc++;
6067                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6068                         err(1, "setautorun: realloc");
6069                 a.argv[argc - 1] = ap;
6070         }
6071
6072         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6073                 err(1, "setautorun: realloc");
6074         a.argv[argc] = NULL;
6075
6076         if ((pid = fork()) == 0) {
6077                 spawn(ws_id, &a, 1);
6078                 /* NOTREACHED */
6079                 _exit(1);
6080         }
6081         free(a.argv);
6082
6083         /* parent */
6084         p = find_pid(pid);
6085         if (p == NULL) {
6086                 p = calloc(1, sizeof *p);
6087                 if (p == NULL)
6088                         return (1);
6089                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6090         }
6091
6092         p->pid = pid;
6093         p->ws = ws_id;
6094
6095         return (0);
6096 }
6097
6098 int
6099 setlayout(char *selector, char *value, int flags)
6100 {
6101         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
6102         int                     st = SWM_V_STACK, num_screens;
6103         char                    s[1024];
6104         struct workspace        *ws;
6105
6106         if (getenv("SWM_STARTED"))
6107                 return (0);
6108
6109         bzero(s, sizeof s);
6110         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6111             &ws_id, &mg, &ma, &si, &raise, s) != 6)
6112                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6113                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6114                     "<type>'");
6115         ws_id--;
6116         if (ws_id < 0 || ws_id >= workspace_limit)
6117                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6118
6119         if (!strcasecmp(s, "vertical"))
6120                 st = SWM_V_STACK;
6121         else if (!strcasecmp(s, "vertical_flip")) {
6122                 st = SWM_V_STACK;
6123                 f = 1;
6124         } else if (!strcasecmp(s, "horizontal"))
6125                 st = SWM_H_STACK;
6126         else if (!strcasecmp(s, "horizontal_flip")) {
6127                 st = SWM_H_STACK;
6128                 f = 1;
6129         } else if (!strcasecmp(s, "fullscreen"))
6130                 st = SWM_MAX_STACK;
6131         else
6132                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6133                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6134                     "<type>'");
6135
6136         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6137         for (i = 0; i < num_screens; i++) {
6138                 ws = (struct workspace *)&screens[i].ws;
6139                 ws[ws_id].cur_layout = &layouts[st];
6140
6141                 ws[ws_id].always_raise = raise;
6142                 if (st == SWM_MAX_STACK)
6143                         continue;
6144
6145                 /* master grow */
6146                 for (x = 0; x < abs(mg); x++) {
6147                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6148                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6149                             SWM_ARG_ID_MASTERSHRINK);
6150                         stack();
6151                 }
6152                 /* master add */
6153                 for (x = 0; x < abs(ma); x++) {
6154                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6155                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6156                             SWM_ARG_ID_MASTERDEL);
6157                         stack();
6158                 }
6159                 /* stack inc */
6160                 for (x = 0; x < abs(si); x++) {
6161                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6162                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6163                             SWM_ARG_ID_STACKDEC);
6164                         stack();
6165                 }
6166                 /* Apply flip */
6167                 if (f) {
6168                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6169                             SWM_ARG_ID_FLIPLAYOUT);
6170                         stack();
6171                 }
6172         }
6173
6174         return (0);
6175 }
6176
6177 /* config options */
6178 struct config_option {
6179         char                    *optname;
6180         int                     (*func)(char*, char*, int);
6181         int                     funcflags;
6182 };
6183 struct config_option configopt[] = {
6184         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6185         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6186         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6187         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6188         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6189         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6190         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6191         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6192         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6193         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6194         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6195         { "keyboard_mapping",           setkeymapping,  0 },
6196         { "bind",                       setconfbinding, 0 },
6197         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6198         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6199         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6200         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6201         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6202         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6203         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6204         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6205         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6206         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6207         { "modkey",                     setconfmodkey,  0 },
6208         { "program",                    setconfspawn,   0 },
6209         { "quirk",                      setconfquirk,   0 },
6210         { "region",                     setconfregion,  0 },
6211         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6212         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6213         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6214         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6215         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6216         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6217         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6218         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6219         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6220         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6221         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6222         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6223         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6224         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6225         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6226         { "autorun",                    setautorun,     0 },
6227         { "layout",                     setlayout,      0 },
6228 };
6229
6230
6231 int
6232 conf_load(char *filename, int keymapping)
6233 {
6234         FILE                    *config;
6235         char                    *line, *cp, *optsub, *optval;
6236         size_t                  linelen, lineno = 0;
6237         int                     wordlen, i, optind;
6238         struct config_option    *opt;
6239
6240         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6241
6242         if (filename == NULL) {
6243                 warnx("conf_load: no filename");
6244                 return (1);
6245         }
6246         if ((config = fopen(filename, "r")) == NULL) {
6247                 warn("conf_load: fopen: %s", filename);
6248                 return (1);
6249         }
6250
6251         while (!feof(config)) {
6252                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6253                     == NULL) {
6254                         if (ferror(config))
6255                                 err(1, "%s", filename);
6256                         else
6257                                 continue;
6258                 }
6259                 cp = line;
6260                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6261                 if (cp[0] == '\0') {
6262                         /* empty line */
6263                         free(line);
6264                         continue;
6265                 }
6266                 /* get config option */
6267                 wordlen = strcspn(cp, "=[ \t\n");
6268                 if (wordlen == 0) {
6269                         warnx("%s: line %zd: no option found",
6270                             filename, lineno);
6271                         goto out;
6272                 }
6273                 optind = -1;
6274                 for (i = 0; i < LENGTH(configopt); i++) {
6275                         opt = &configopt[i];
6276                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6277                             strlen(opt->optname) == wordlen) {
6278                                 optind = i;
6279                                 break;
6280                         }
6281                 }
6282                 if (optind == -1) {
6283                         warnx("%s: line %zd: unknown option %.*s",
6284                             filename, lineno, wordlen, cp);
6285                         goto out;
6286                 }
6287                 if (keymapping && strcmp(opt->optname, "bind")) {
6288                         warnx("%s: line %zd: invalid option %.*s",
6289                             filename, lineno, wordlen, cp);
6290                         goto out;
6291                 }
6292                 cp += wordlen;
6293                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6294                 /* get [selector] if any */
6295                 optsub = NULL;
6296                 if (*cp == '[') {
6297                         cp++;
6298                         wordlen = strcspn(cp, "]");
6299                         if (*cp != ']') {
6300                                 if (wordlen == 0) {
6301                                         warnx("%s: line %zd: syntax error",
6302                                             filename, lineno);
6303                                         goto out;
6304                                 }
6305
6306                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6307                                     -1) {
6308                                         warnx("%s: line %zd: unable to allocate"
6309                                             "memory for selector", filename,
6310                                             lineno);
6311                                         goto out;
6312                                 }
6313                         }
6314                         cp += wordlen;
6315                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6316                 }
6317                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6318                 /* get RHS value */
6319                 optval = strdup(cp);
6320                 /* call function to deal with it all */
6321                 if (configopt[optind].func(optsub, optval,
6322                     configopt[optind].funcflags) != 0)
6323                         errx(1, "%s: line %zd: invalid data for %s",
6324                             filename, lineno, configopt[optind].optname);
6325                 free(optval);
6326                 free(optsub);
6327                 free(line);
6328         }
6329
6330         fclose(config);
6331         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6332
6333         return (0);
6334
6335 out:
6336         free(line);
6337         fclose(config);
6338         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6339
6340         return (1);
6341 }
6342
6343 void
6344 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6345 {
6346         struct ws_win           *parent, *w;
6347         struct swm_region       *r;
6348         struct workspace        *ws;
6349         xcb_icccm_wm_hints_t    wmh;
6350
6351         parent = find_window(win->transient);
6352         if (parent)
6353                 parent->child_trans = win;
6354         else {
6355                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6356                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6357
6358                 r = root_to_region(win->wa->root);
6359                 ws = r->ws;
6360                 /* parent doen't exist in our window list */
6361                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6362                         if (xcb_icccm_get_wm_hints_reply(conn,
6363                                         xcb_icccm_get_wm_hints(conn, w->id),
6364                                         &wmh, NULL) != 1) {
6365                                 warnx("can't get hints for 0x%x", w->id);
6366                                 continue;
6367                         }
6368
6369                         if (win->hints.window_group != wmh.window_group)
6370                                 continue;
6371
6372                         w->child_trans = win;
6373                         win->transient = w->id;
6374                         *trans = w->id;
6375                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6376                             "transient to 0x%x\n", win->transient);
6377                         break;
6378                 }
6379         }
6380 }
6381
6382 long
6383 window_get_pid(xcb_window_t win)
6384 {
6385         long                            ret = 0;
6386         const char                      *errstr;
6387         xcb_atom_t                      apid;
6388         xcb_get_property_cookie_t       pc;
6389         xcb_get_property_reply_t        *pr;
6390
6391         apid = get_atom_from_string("_NET_WM_PID");
6392         if (apid == XCB_ATOM_NONE)
6393                 goto tryharder;
6394
6395         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6396         pr = xcb_get_property_reply(conn, pc, NULL);
6397         if (!pr)
6398                 goto tryharder;
6399         if (pr->type != XCB_ATOM_CARDINAL)
6400                 goto tryharder;
6401
6402         ret = *(long *)xcb_get_property_value(pr);
6403         free(pr);
6404
6405         return (ret);
6406
6407 tryharder:
6408         apid = get_atom_from_string("_SWM_PID");
6409         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6410                 0, SWM_PROPLEN);
6411         pr = xcb_get_property_reply(conn, pc, NULL);
6412         if (!pr)
6413                 return (0);
6414         if (pr->type != XCB_ATOM_STRING)
6415                 free(pr);
6416                 return (0);
6417         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6418         free(pr);
6419
6420         return (ret);
6421 }
6422
6423 struct ws_win *
6424 manage_window(xcb_window_t id)
6425 {
6426         xcb_window_t            trans = XCB_WINDOW_NONE;
6427         struct workspace        *ws;
6428         struct ws_win           *win, *ww;
6429         int                     i, ws_idx, border_me = 0;
6430         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6431         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6432         size_t                  proplen;
6433         struct swm_region       *r;
6434         const char              *errstr;
6435         struct pid_e            *p;
6436         struct quirk            *qp;
6437         uint32_t                event_mask;
6438         xcb_atom_t              prot;
6439         xcb_get_property_reply_t        *gpr;
6440         xcb_icccm_get_wm_protocols_reply_t      wpr;
6441
6442         if ((win = find_window(id)) != NULL)
6443                 return (win);   /* already being managed */
6444
6445         /* see if we are on the unmanaged list */
6446         if ((win = find_unmanaged_window(id)) != NULL) {
6447                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6448                     "window: 0x%x\n", win->id);
6449                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6450                 if (win->transient)
6451                         set_child_transient(win, &trans);
6452
6453                 if (trans && (ww = find_window(trans)))
6454                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6455                 else if ((ww = win->ws->focus) &&
6456                     spawn_position == SWM_STACK_ABOVE)
6457                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6458                             win, entry);
6459                 else if (ww && spawn_position == SWM_STACK_BELOW)
6460                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6461                 else switch (spawn_position) {
6462                 default:
6463                 case SWM_STACK_TOP:
6464                 case SWM_STACK_ABOVE:
6465                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6466                         break;
6467                 case SWM_STACK_BOTTOM:
6468                 case SWM_STACK_BELOW:
6469                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6470                 }
6471
6472                 ewmh_update_actions(win);
6473                 return (win);
6474         }
6475
6476         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6477                 err(1, "manage_window: calloc: failed to allocate memory for "
6478                     "new window");
6479
6480         win->id = id;
6481         win->bordered = 0;
6482
6483         /* see if we need to override the workspace */
6484         p = find_pid(window_get_pid(id));
6485
6486         /* Get all the window data in one shot */
6487         ws_idx_atom = get_atom_from_string("_SWM_WS");
6488         if (ws_idx_atom) {
6489                 gpr = xcb_get_property_reply(conn,
6490                         xcb_get_property(conn, False, id, ws_idx_atom,
6491                                 XCB_ATOM_STRING, 0, SWM_PROPLEN),
6492                         NULL);
6493                 if (gpr) {
6494                         proplen = xcb_get_property_value_length(gpr);
6495                         if (proplen > 0) {
6496                                 prop = malloc(proplen + 1);
6497                                 if (prop) {
6498                                         memcpy(prop,
6499                                             xcb_get_property_value(gpr),
6500                                             proplen);
6501                                         prop[proplen] = '\0';
6502                                 }
6503                         }
6504                         free(gpr);
6505                 }
6506         }
6507         win->wa = xcb_get_geometry_reply(conn,
6508                 xcb_get_geometry(conn, id),
6509                 NULL);
6510         xcb_icccm_get_wm_normal_hints_reply(conn,
6511                 xcb_icccm_get_wm_normal_hints(conn, id),
6512                 &win->sh, NULL);
6513         xcb_icccm_get_wm_hints_reply(conn,
6514                 xcb_icccm_get_wm_hints(conn, id),
6515                 &win->hints, NULL);
6516         xcb_icccm_get_wm_transient_for_reply(conn,
6517                 xcb_icccm_get_wm_transient_for(conn, id),
6518                 &trans, NULL);
6519         if (trans) {
6520                 win->transient = trans;
6521                 set_child_transient(win, &trans);
6522                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6523                     "transient: 0x%x\n", win->id, win->transient);
6524         }
6525
6526         prot = get_atom_from_string("WM_PROTOCOLS");
6527
6528         /* get supported protocols */
6529         if (xcb_icccm_get_wm_protocols_reply(conn,
6530                         xcb_icccm_get_wm_protocols(conn, id, prot),
6531                         &wpr, NULL)) {
6532                 for (i = 0; i < wpr.atoms_len; i++) {
6533                         if (wpr.atoms[i] == takefocus)
6534                                 win->take_focus = 1;
6535                         if (wpr.atoms[i] == adelete)
6536                                 win->can_delete = 1;
6537                 }
6538                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6539         }
6540
6541         win->iconic = get_iconic(win);
6542
6543         /*
6544          * Figure out where to put the window. If it was previously assigned to
6545          * a workspace (either by spawn() or manually moving), and isn't
6546          * transient, * put it in the same workspace
6547          */
6548         r = root_to_region(win->wa->root);
6549         if (p) {
6550                 ws = &r->s->ws[p->ws];
6551                 TAILQ_REMOVE(&pidlist, p, entry);
6552                 free(p);
6553                 p = NULL;
6554         } else if (prop && win->transient == 0) {
6555                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6556                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6557                     &errstr);
6558                 if (errstr) {
6559                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6560                             errstr, prop);
6561                 }
6562                 ws = &r->s->ws[ws_idx];
6563         } else {
6564                 ws = r->ws;
6565                 /* this should launch transients in the same ws as parent */
6566                 if (id && trans)
6567                         if ((ww = find_window(trans)) != NULL)
6568                                 if (ws->r) {
6569                                         ws = ww->ws;
6570                                         if (ww->ws->r)
6571                                                 r = ww->ws->r;
6572                                         else
6573                                                 warnx("manage_window: fix this "
6574                                                     "bug mcbride");
6575                                         border_me = 1;
6576                                 }
6577         }
6578
6579         /* set up the window layout */
6580         win->id = id;
6581         win->ws = ws;
6582         win->s = r->s;  /* this never changes */
6583         if (trans && (ww = find_window(trans)))
6584                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6585         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6586                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6587                     entry);
6588         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6589                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6590         else switch (spawn_position) {
6591         default:
6592         case SWM_STACK_TOP:
6593         case SWM_STACK_ABOVE:
6594                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6595                 break;
6596         case SWM_STACK_BOTTOM:
6597         case SWM_STACK_BELOW:
6598                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6599         }
6600
6601         /* ignore window border if there is one. */
6602         WIDTH(win) = win->wa->width;
6603         HEIGHT(win) = win->wa->height;
6604         X(win) = win->wa->x + win->wa->border_width;
6605         Y(win) = win->wa->y + win->wa->border_width;
6606         win->bordered = 0;
6607         win->g_floatvalid = 0;
6608         win->floatmaxed = 0;
6609         win->ewmh_flags = 0;
6610
6611         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6612             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6613             HEIGHT(win), ws->idx);
6614
6615         constrain_window(win, r, 0);
6616
6617         /* Set window properties so we can remember this after reincarnation */
6618         if (ws_idx_atom && prop == NULL &&
6619             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6620                 SWM_PROPLEN) {
6621                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6622                     ws_idx_str);
6623                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6624                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6625                         ws_idx_str);
6626         }
6627         if (prop)
6628                 free(prop);
6629
6630         ewmh_autoquirk(win);
6631
6632         if (xcb_icccm_get_wm_class_reply(conn,
6633                         xcb_icccm_get_wm_class(conn, win->id),
6634                         &win->ch, NULL)) {
6635                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6636                     win->ch.class_name, win->ch.instance_name);
6637
6638                 /* java is retarded so treat it special */
6639                 if (strstr(win->ch.instance_name, "sun-awt")) {
6640                         win->java = 1;
6641                         border_me = 1;
6642                 }
6643
6644                 TAILQ_FOREACH(qp, &quirks, entry) {
6645                         if (!strcmp(win->ch.class_name, qp->class) &&
6646                             !strcmp(win->ch.instance_name, qp->name)) {
6647                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6648                                     "class: %s, name: %s\n", win->ch.class_name,
6649                                     win->ch.instance_name);
6650                                 if (qp->quirk & SWM_Q_FLOAT) {
6651                                         win->floating = 1;
6652                                         border_me = 1;
6653                                 }
6654                                 win->quirks = qp->quirk;
6655                         }
6656                 }
6657         }
6658
6659         /* alter window position if quirky */
6660         if (win->quirks & SWM_Q_ANYWHERE) {
6661                 win->manual = 1; /* don't center the quirky windows */
6662                 if (bar_enabled && Y(win) < bar_height)
6663                         Y(win) = bar_height;
6664                 if (WIDTH(win) + X(win) > WIDTH(r))
6665                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6666                 border_me = 1;
6667         }
6668
6669         /* Reset font sizes (the bruteforce way; no default keybinding). */
6670         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6671                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6672                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6673                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6674                         fake_keypress(win, XK_KP_Add, ShiftMask);
6675         }
6676
6677         ewmh_get_win_state(win);
6678         ewmh_update_actions(win);
6679         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6680
6681         /* border me */
6682         if (border_me) {
6683                 win->bordered = 1;
6684                 X(win) -= border_width;
6685                 Y(win) -= border_width;
6686                 update_window(win);
6687         }
6688
6689         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6690                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6691                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6692
6693         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6694
6695         /* floaters need to be mapped if they are in the current workspace */
6696         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6697                 map_window_raised(win->id);
6698
6699         return (win);
6700 }
6701
6702 void
6703 free_window(struct ws_win *win)
6704 {
6705         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6706
6707         if (win == NULL)
6708                 return;
6709
6710         /* needed for restart wm */
6711         set_win_state(win, XCB_ICCCM_WM_STATE_WITHDRAWN);
6712
6713         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6714
6715         if (win->wa)
6716                 free(win->wa);
6717
6718         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6719
6720         kill_refs(win);
6721
6722         /* paint memory */
6723         memset(win, 0xff, sizeof *win); /* XXX kill later */
6724
6725         free(win);
6726 }
6727
6728 void
6729 unmanage_window(struct ws_win *win)
6730 {
6731         struct ws_win           *parent;
6732         xcb_screen_t            *screen;
6733
6734         if (win == NULL)
6735                 return;
6736
6737         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6738
6739         if (win->transient) {
6740                 parent = find_window(win->transient);
6741                 if (parent)
6742                         parent->child_trans = NULL;
6743         }
6744
6745         /* focus on root just in case */
6746         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6747         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6748                 screen->root, XCB_CURRENT_TIME);
6749
6750         focus_prev(win);
6751
6752         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6753         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6754 }
6755
6756 void
6757 focus_magic(struct ws_win *win)
6758 {
6759         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6760
6761         if (win == NULL) {
6762                 /* if there are no windows clear the status-bar */
6763                 bar_update();
6764                 return;
6765         }
6766
6767         if (win->child_trans) {
6768                 /* win = parent & has a transient so focus on that */
6769                 if (win->java) {
6770                         focus_win(win->child_trans);
6771                         if (win->child_trans->take_focus)
6772                                 client_msg(win, takefocus);
6773                 } else {
6774                         /* make sure transient hasn't disappeared */
6775                         if (validate_win(win->child_trans) == 0) {
6776                                 focus_win(win->child_trans);
6777                                 if (win->child_trans->take_focus)
6778                                         client_msg(win->child_trans, takefocus);
6779                         } else {
6780                                 win->child_trans = NULL;
6781                                 focus_win(win);
6782                                 if (win->take_focus)
6783                                         client_msg(win, takefocus);
6784                         }
6785                 }
6786         } else {
6787                 /* regular focus */
6788                 focus_win(win);
6789                 if (win->take_focus)
6790                         client_msg(win, takefocus);
6791         }
6792 }
6793
6794 void
6795 expose(XEvent *e)
6796 {
6797         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6798 }
6799
6800 void
6801 keypress(XEvent *e)
6802 {
6803         KeySym                  keysym;
6804         XKeyEvent               *ev = &e->xkey;
6805         struct key              *kp;
6806         struct swm_region       *r;
6807
6808         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6809         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6810                 return;
6811         if (keyfuncs[kp->funcid].func == NULL)
6812                 return;
6813
6814         r = root_to_region(ev->root);
6815         if (kp->funcid == kf_spawn_custom)
6816                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6817         else
6818                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6819 }
6820
6821 void
6822 buttonpress(XEvent *e)
6823 {
6824         struct ws_win           *win;
6825         int                     i, action;
6826         XButtonPressedEvent     *ev = &e->xbutton;
6827
6828         if ((win = find_window(ev->window)) == NULL)
6829                 return;
6830
6831         focus_magic(win);
6832         action = client_click;
6833
6834         for (i = 0; i < LENGTH(buttons); i++)
6835                 if (action == buttons[i].action && buttons[i].func &&
6836                     buttons[i].button == ev->button &&
6837                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6838                         buttons[i].func(win, &buttons[i].args);
6839 }
6840
6841 void
6842 configurerequest(XEvent *e)
6843 {
6844         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6845         struct ws_win           *win;
6846         int                     new = 0, i = 0;
6847         uint16_t                mask = 0;
6848         uint32_t                wc[7];
6849
6850         if ((win = find_window(ev->window)) == NULL)
6851                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6852                         new = 1;
6853
6854         if (new) {
6855                 if (ev->value_mask & XCB_CONFIG_WINDOW_X) {
6856                         mask |= XCB_CONFIG_WINDOW_X;
6857                         wc[i++] = ev->x;
6858                 }
6859                 if (ev->value_mask & XCB_CONFIG_WINDOW_Y) {
6860                         mask |= XCB_CONFIG_WINDOW_Y;
6861                         wc[i++] = ev->y;
6862                 }
6863                 if (ev->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6864                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6865                         wc[i++] = ev->width;
6866                 }
6867                 if (ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6868                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6869                         wc[i++] = ev->height;
6870                 }
6871                 if (ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6872                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6873                         wc[i++] = ev->border_width;
6874                 }
6875                 if (ev->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6876                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6877                         wc[i++] = ev->above;
6878                 }
6879                 if (ev->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6880                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6881                         wc[i++] = ev->detail;
6882                 }
6883
6884                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6885                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6886                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6887
6888                 xcb_configure_window(conn, ev->window, mask, wc);
6889         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6890             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6891                 win->g_float.x = ev->x - X(win->ws->r);
6892                 win->g_float.y = ev->y - Y(win->ws->r);
6893                 win->g_float.w = ev->width;
6894                 win->g_float.h = ev->height;
6895                 win->g_floatvalid = 1;
6896
6897                 if (win->floating) {
6898                         win->g = win->g_float;
6899                         win->g.x += X(win->ws->r);
6900                         win->g.y += Y(win->ws->r);
6901                         update_window(win);
6902                 } else {
6903                         config_win(win, ev);
6904                 }
6905         } else {
6906                 config_win(win, ev);
6907         }
6908 }
6909
6910 void
6911 configurenotify(XEvent *e)
6912 {
6913         struct ws_win           *win;
6914
6915         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6916             e->xconfigure.window);
6917
6918         win = find_window(e->xconfigure.window);
6919         if (win) {
6920                 xcb_icccm_get_wm_normal_hints_reply(conn,
6921                         xcb_icccm_get_wm_normal_hints(conn, win->id),
6922                         &win->sh, NULL);
6923                 adjust_font(win);
6924                 if (font_adjusted)
6925                         stack();
6926                 if (focus_mode == SWM_FOCUS_DEFAULT)
6927                         drain_enter_notify();
6928         }
6929 }
6930
6931 void
6932 destroynotify(XEvent *e)
6933 {
6934         struct ws_win           *win;
6935         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6936
6937         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6938
6939         if ((win = find_window(ev->window)) == NULL) {
6940                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6941                         return;
6942                 free_window(win);
6943                 return;
6944         }
6945
6946         /* make sure we focus on something */
6947         win->floating = 0;
6948
6949         unmanage_window(win);
6950         stack();
6951         if (focus_mode == SWM_FOCUS_DEFAULT)
6952                 drain_enter_notify();
6953         free_window(win);
6954 }
6955
6956 void
6957 enternotify(XEvent *e)
6958 {
6959         XCrossingEvent          *ev = &e->xcrossing;
6960         XEvent                  cne;
6961         struct ws_win           *win;
6962 #if 0
6963         struct ws_win           *w;
6964         Window                  focus_return;
6965         int                     revert_to_return;
6966 #endif
6967         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6968             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6969             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6970             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6971
6972         if (ev->mode != NotifyNormal) {
6973                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6974                     "cursor grab.\n");
6975                 return;
6976         }
6977
6978         switch (focus_mode) {
6979         case SWM_FOCUS_DEFAULT:
6980                 break;
6981         case SWM_FOCUS_FOLLOW:
6982                 break;
6983         case SWM_FOCUS_SYNERGY:
6984 #if 0
6985         /*
6986          * all these checks need to be in this order because the
6987          * XCheckTypedWindowEvent relies on weeding out the previous events
6988          *
6989          * making this code an option would enable a follow mouse for focus
6990          * feature
6991          */
6992
6993         /*
6994          * state is set when we are switching workspaces and focus is set when
6995          * the window or a subwindow already has focus (occurs during restart).
6996          *
6997          * Only honor the focus flag if last_focus_event is not FocusOut,
6998          * this allows spectrwm to continue to control focus when another
6999          * program is also playing with it.
7000          */
7001         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
7002                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
7003                 return;
7004         }
7005
7006         /*
7007          * happens when a window is created or destroyed and the border
7008          * crosses the mouse pointer and when switching ws
7009          *
7010          * we need the subwindow test to see if we came from root in order
7011          * to give focus to floaters
7012          */
7013         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
7014             ev->subwindow == 0) {
7015                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
7016                 return;
7017         }
7018
7019         /* this window already has focus */
7020         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
7021                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
7022                 return;
7023         }
7024
7025         /* this window is being deleted or moved to another ws */
7026         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
7027             &cne) == True) {
7028                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
7029                 XPutBackEvent(display, &cne);
7030                 return;
7031         }
7032
7033         if ((win = find_window(ev->window)) == NULL) {
7034                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
7035                 return;
7036         }
7037
7038         /*
7039          * In fullstack kill all enters unless they come from a different ws
7040          * (i.e. another region) or focus has been grabbed externally.
7041          */
7042         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
7043             last_focus_event != FocusOut) {
7044                 XGetInputFocus(display, &focus_return, &revert_to_return);
7045                 if ((w = find_window(focus_return)) == NULL ||
7046                     w->ws == win->ws) {
7047                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
7048                         return;
7049                 }
7050         }
7051 #endif
7052                 break;
7053         }
7054
7055         if ((win = find_window(ev->window)) == NULL) {
7056                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7057                 return;
7058         }
7059
7060         /*
7061          * if we have more enternotifies let them handle it in due time
7062          */
7063         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
7064                 DNPRINTF(SWM_D_EVENT,
7065                     "ignoring enternotify: got more enternotify\n");
7066                 XPutBackEvent(display, &cne);
7067                 return;
7068         }
7069
7070         focus_magic(win);
7071 }
7072
7073 /* lets us use one switch statement for arbitrary mode/detail combinations */
7074 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7075
7076 void
7077 focusevent(XEvent *e)
7078 {
7079 #if 0
7080         struct ws_win           *win;
7081         u_int32_t               mode_detail;
7082         XFocusChangeEvent       *ev = &e->xfocus;
7083
7084         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
7085             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
7086             ev->window, ev->mode, ev->detail);
7087
7088         if (last_focus_event == ev->type) {
7089                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
7090                 return;
7091         }
7092
7093         last_focus_event = ev->type;
7094         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
7095
7096         switch (mode_detail) {
7097         /* synergy client focus operations */
7098         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
7099         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
7100
7101         /* synergy server focus operations */
7102         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
7103
7104         /* Entering applications like rdesktop that mangle the pointer */
7105         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
7106
7107                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
7108                         XSetWindowBorder(display, win->id,
7109                             win->ws->r->s->c[ev->type == FocusIn ?
7110                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
7111                 break;
7112         default:
7113                 warnx("ignoring focusevent");
7114                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
7115                 break;
7116         }
7117 #endif
7118 }
7119
7120 void
7121 mapnotify(XEvent *e)
7122 {
7123         struct ws_win           *win;
7124         XMapEvent               *ev = &e->xmap;
7125
7126         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
7127
7128         win = manage_window(ev->window);
7129         if (win)
7130                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7131
7132         /*
7133          * focus_win can only set input focus on a mapped window.
7134          * make sure the window really has focus since it is just being mapped.
7135          */
7136         if (win->ws->focus == win)
7137                 focus_win(win);
7138 }
7139
7140 void
7141 mappingnotify(XEvent *e)
7142 {
7143         XMappingEvent           *ev = &e->xmapping;
7144
7145         XRefreshKeyboardMapping(ev);
7146         if (ev->request == MappingKeyboard)
7147                 grabkeys();
7148 }
7149
7150 void
7151 maprequest(XEvent *e)
7152 {
7153         struct ws_win           *win;
7154         struct swm_region       *r;
7155         XMapRequestEvent        *ev = &e->xmaprequest;
7156         xcb_get_window_attributes_reply_t *war;
7157
7158         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
7159             e->xmaprequest.window);
7160
7161         war = xcb_get_window_attributes_reply(conn,
7162                 xcb_get_window_attributes(conn, ev->window),
7163                 NULL);
7164         if (!war)
7165                 return;
7166         if (war->override_redirect) {
7167                 free(war);
7168                 return;
7169         }
7170         free(war);
7171
7172         win = manage_window(e->xmaprequest.window);
7173         if (win == NULL) {
7174                 return; /* can't happen */
7175         }
7176
7177         stack();
7178
7179         /* make new win focused */
7180         r = root_to_region(win->wa->root);
7181         if (win->ws == r->ws)
7182                 focus_magic(win);
7183 }
7184
7185 void
7186 propertynotify(XEvent *e)
7187 {
7188         struct ws_win           *win;
7189         XPropertyEvent          *ev = &e->xproperty;
7190 #ifdef SWM_DEBUG
7191         char                            *name;
7192         size_t                          len;
7193         xcb_get_atom_name_reply_t       *r;
7194
7195         r = xcb_get_atom_name_reply(conn,
7196                 xcb_get_atom_name(conn, ev->atom),
7197                 NULL);
7198         if (r) {
7199                 len = xcb_get_atom_name_name_length(r);
7200                 if (len > 0) {
7201                         name = malloc(len + 1);
7202                         if (name) {
7203                                 memcpy(name, xcb_get_atom_name_name(r), len);
7204                                 name[len] = '\0';
7205
7206                                 DNPRINTF(SWM_D_EVENT,
7207                                         "propertynotify: window: 0x%lx, "
7208                                         "atom: %s\n",
7209                                         ev->window, name);
7210                                 free(name);
7211                         }
7212                 }
7213                 free(r);
7214         }
7215 #endif
7216
7217         win = find_window(ev->window);
7218         if (win == NULL)
7219                 return;
7220
7221         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7222                 update_iconic(win, 0);
7223                 map_window_raised(win->id);
7224                 stack();
7225                 focus_win(win);
7226                 return;
7227         }
7228
7229         switch (ev->atom) {
7230 #if 0
7231         case XA_WM_NORMAL_HINTS:
7232                 long            mask;
7233                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7234                 warnx("normal hints: flag 0x%x", win->sh.flags);
7235                 if (win->sh.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
7236                         WIDTH(win) = win->sh.min_width;
7237                         HEIGHT(win) = win->sh.min_height;
7238                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7239                 }
7240                 XMoveResizeWindow(display, win->id,
7241                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7242 #endif
7243         case XCB_ATOM_WM_CLASS:
7244         case XCB_ATOM_WM_NAME:
7245                 bar_update();
7246                 break;
7247         default:
7248                 break;
7249         }
7250 }
7251
7252 void
7253 unmapnotify(XEvent *e)
7254 {
7255         struct ws_win           *win;
7256
7257         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7258
7259         /* determine if we need to help unmanage this window */
7260         win = find_window(e->xunmap.window);
7261         if (win == NULL)
7262                 return;
7263
7264         if (getstate(e->xunmap.window) == XCB_ICCCM_WM_STATE_NORMAL) {
7265                 unmanage_window(win);
7266                 stack();
7267
7268                 /* giant hack for apps that don't destroy transient windows */
7269                 /* eat a bunch of events to prevent remanaging the window */
7270                 XEvent                  cne;
7271                 while (XCheckWindowEvent(display, e->xunmap.window,
7272                     EnterWindowMask, &cne))
7273                         ;
7274                 while (XCheckWindowEvent(display, e->xunmap.window,
7275                     StructureNotifyMask, &cne))
7276                         ;
7277                 while (XCheckWindowEvent(display, e->xunmap.window,
7278                     SubstructureNotifyMask, &cne))
7279                         ;
7280                 /* resend unmap because we ated it */
7281                 xcb_unmap_window(conn, e->xunmap.window);
7282         }
7283
7284         if (focus_mode == SWM_FOCUS_DEFAULT)
7285                 drain_enter_notify();
7286 }
7287
7288 void
7289 visibilitynotify(XEvent *e)
7290 {
7291         int                     i, num_screens;
7292         struct swm_region       *r;
7293
7294         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7295             e->xvisibility.window);
7296
7297         if (e->xvisibility.state == VisibilityUnobscured) {
7298                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7299                 for (i = 0; i < num_screens; i++)
7300                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7301                                 if (e->xvisibility.window == WINID(r->bar))
7302                                         bar_update();
7303         }
7304 }
7305
7306 void
7307 clientmessage(XEvent *e)
7308 {
7309         XClientMessageEvent     *ev;
7310         struct ws_win           *win;
7311
7312         ev = &e->xclient;
7313
7314         win = find_window(ev->window);
7315         if (win == NULL) {
7316                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7317                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7318                             "unmanaged window.\n");
7319                         e->xmaprequest.window = ev->window;
7320                         maprequest(e);
7321                 }
7322                 return;
7323         }
7324
7325         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7326             ev->window, ev->message_type);
7327
7328         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7329                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7330                 focus_win(win);
7331         }
7332         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7333                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7334                 if (win->can_delete)
7335                         client_msg(win, adelete);
7336                 else
7337                         xcb_kill_client(conn, win->id);
7338         }
7339         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7340                 DNPRINTF(SWM_D_EVENT,
7341                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7342                 if (win->floating) {
7343                         if (ev->data.l[0] & (1<<8)) /* x */
7344                                 X(win) = ev->data.l[1];
7345                         if (ev->data.l[0] & (1<<9)) /* y */
7346                                 Y(win) = ev->data.l[2];
7347                         if (ev->data.l[0] & (1<<10)) /* width */
7348                                 WIDTH(win) = ev->data.l[3];
7349                         if (ev->data.l[0] & (1<<11)) /* height */
7350                                 HEIGHT(win) = ev->data.l[4];
7351
7352                         update_window(win);
7353                 }
7354                 else {
7355                         /* TODO: Change stack sizes */
7356                         /* notify no change was made. */
7357                         config_win(win, NULL);
7358                 }
7359         }
7360         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7361                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7362                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7363                 if (ev->data.l[2])
7364                         ewmh_update_win_state(win, ev->data.l[2],
7365                             ev->data.l[0]);
7366
7367                 stack();
7368         }
7369 }
7370
7371 int
7372 xerror_start(Display *d, XErrorEvent *ee)
7373 {
7374         other_wm = 1;
7375         return (-1);
7376 }
7377
7378 int
7379 xerror(Display *d, XErrorEvent *ee)
7380 {
7381         /* warnx("error: %p %p", display, ee); */
7382         return (-1);
7383 }
7384
7385 int
7386 active_wm(void)
7387 {
7388         other_wm = 0;
7389         xerrorxlib = XSetErrorHandler(xerror_start);
7390
7391         /* this causes an error if some other window manager is running */
7392         XSelectInput(display, DefaultRootWindow(display),
7393             SubstructureRedirectMask);
7394         do_sync();
7395         if (other_wm)
7396                 return (1);
7397
7398         XSetErrorHandler(xerror);
7399         do_sync();
7400         return (0);
7401 }
7402
7403 void
7404 new_region(struct swm_screen *s, int x, int y, int w, int h)
7405 {
7406         struct swm_region       *r, *n;
7407         struct workspace        *ws = NULL;
7408         int                     i;
7409
7410         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7411              s->idx, w, h, x, y);
7412
7413         /* remove any conflicting regions */
7414         n = TAILQ_FIRST(&s->rl);
7415         while (n) {
7416                 r = n;
7417                 n = TAILQ_NEXT(r, entry);
7418                 if (X(r) < (x + w) &&
7419                     (X(r) + WIDTH(r)) > x &&
7420                     Y(r) < (y + h) &&
7421                     (Y(r) + HEIGHT(r)) > y) {
7422                         if (r->ws->r != NULL)
7423                                 r->ws->old_r = r->ws->r;
7424                         r->ws->r = NULL;
7425                         bar_cleanup(r);
7426                         TAILQ_REMOVE(&s->rl, r, entry);
7427                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7428                 }
7429         }
7430
7431         /* search old regions for one to reuse */
7432
7433         /* size + location match */
7434         TAILQ_FOREACH(r, &s->orl, entry)
7435                 if (X(r) == x && Y(r) == y &&
7436                     HEIGHT(r) == h && WIDTH(r) == w)
7437                         break;
7438
7439         /* size match */
7440         TAILQ_FOREACH(r, &s->orl, entry)
7441                 if (HEIGHT(r) == h && WIDTH(r) == w)
7442                         break;
7443
7444         if (r != NULL) {
7445                 TAILQ_REMOVE(&s->orl, r, entry);
7446                 /* try to use old region's workspace */
7447                 if (r->ws->r == NULL)
7448                         ws = r->ws;
7449         } else
7450                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7451                         err(1, "new_region: calloc: failed to allocate memory "
7452                             "for screen");
7453
7454         /* if we don't have a workspace already, find one */
7455         if (ws == NULL) {
7456                 for (i = 0; i < workspace_limit; i++)
7457                         if (s->ws[i].r == NULL) {
7458                                 ws = &s->ws[i];
7459                                 break;
7460                         }
7461         }
7462
7463         if (ws == NULL)
7464                 errx(1, "new_region: no free workspaces");
7465
7466         X(r) = x;
7467         Y(r) = y;
7468         WIDTH(r) = w;
7469         HEIGHT(r) = h;
7470         r->s = s;
7471         r->ws = ws;
7472         r->ws_prior = NULL;
7473         ws->r = r;
7474         outputs++;
7475         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7476 }
7477
7478 void
7479 scan_xrandr(int i)
7480 {
7481 #ifdef SWM_XRR_HAS_CRTC
7482         int                                             c;
7483         int                                             ncrtc = 0;
7484 #endif /* SWM_XRR_HAS_CRTC */
7485         struct swm_region                               *r;
7486         int                                             num_screens;
7487         xcb_randr_get_screen_resources_current_cookie_t src;
7488         xcb_randr_get_screen_resources_current_reply_t  *srr;
7489         xcb_randr_get_crtc_info_cookie_t                cic;
7490         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7491         xcb_randr_crtc_t                                *crtc;
7492         xcb_screen_t                                    *screen = get_screen(i);
7493
7494         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7495         if (i >= num_screens)
7496                 errx(1, "scan_xrandr: invalid screen");
7497
7498         /* remove any old regions */
7499         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7500                 r->ws->old_r = r->ws->r = NULL;
7501                 bar_cleanup(r);
7502                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7503                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7504         }
7505         outputs = 0;
7506
7507         /* map virtual screens onto physical screens */
7508 #ifdef SWM_XRR_HAS_CRTC
7509         if (xrandr_support) {
7510                 src = xcb_randr_get_screen_resources_current(conn,
7511                         screens[i].root);
7512                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7513                         NULL);
7514                 if (srr == NULL) {
7515                         new_region(&screens[i], 0, 0,
7516                             screen->width_in_pixels,
7517                             screen->height_in_pixels);
7518                         return;
7519                 } else
7520                         ncrtc = srr->num_crtcs;
7521                 for (c = 0; c < ncrtc; c++) {
7522                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7523                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7524                                 XCB_CURRENT_TIME);
7525                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7526                         if (cir == NULL)
7527                                 continue;
7528                         if (cir->num_outputs == 0) {
7529                                 free(cir);
7530                                 continue;
7531                         }
7532
7533                         if (cir->mode == 0)
7534                                 new_region(&screens[i], 0, 0,
7535                                     screen->width_in_pixels,
7536                                     screen->height_in_pixels);
7537                         else
7538                                 new_region(&screens[i],
7539                                     cir->x, cir->y, cir->width, cir->height);
7540                         free(cir);
7541                 }
7542                 free(srr);
7543         } else
7544 #endif /* SWM_XRR_HAS_CRTC */
7545         {
7546                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7547                     screen->height_in_pixels);
7548         }
7549 }
7550
7551 void
7552 screenchange(XEvent *e)
7553 {
7554         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7555         struct swm_region               *r;
7556         int                             i, num_screens;
7557
7558         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7559
7560         if (!XRRUpdateConfiguration(e))
7561                 return;
7562
7563         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7564         /* silly event doesn't include the screen index */
7565         for (i = 0; i < num_screens; i++)
7566                 if (screens[i].root == xe->root)
7567                         break;
7568         if (i >= num_screens)
7569                 errx(1, "screenchange: screen not found");
7570
7571         /* brute force for now, just re-enumerate the regions */
7572         scan_xrandr(i);
7573
7574         /* add bars to all regions */
7575         for (i = 0; i < num_screens; i++)
7576                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7577                         bar_setup(r);
7578         stack();
7579         if (focus_mode == SWM_FOCUS_DEFAULT)
7580                 drain_enter_notify();
7581 }
7582
7583 void
7584 grab_windows(void)
7585 {
7586         xcb_window_t            *wins   = NULL;
7587         int                     no;
7588         int                     i, j, num_screens;
7589         uint16_t                state, manage;
7590
7591         xcb_query_tree_cookie_t                 qtc;
7592         xcb_query_tree_reply_t                  *qtr;
7593         xcb_get_window_attributes_cookie_t      c;
7594         xcb_get_window_attributes_reply_t       *r;
7595         xcb_get_property_cookie_t               pc;
7596
7597         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7598         for (i = 0; i < num_screens; i++) {
7599                 qtc = xcb_query_tree(conn, screens[i].root);
7600                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7601                 if (!qtr)
7602                         continue;
7603                 wins = xcb_query_tree_children(qtr);
7604                 no = xcb_query_tree_children_length(qtr);
7605                 /* attach windows to a region */
7606                 /* normal windows */
7607                 for (j = 0; j < no; j++) {
7608                         c = xcb_get_window_attributes(conn, wins[j]);
7609                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7610                         if (!r)
7611                                 continue;
7612                         if (r->override_redirect) {
7613                                 free(r);
7614                                 continue;
7615                         }
7616
7617                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7618                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7619                                         NULL)) {
7620                                 free(r);
7621                                 continue;
7622                         }
7623
7624                         state = getstate(wins[j]);
7625                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7626                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7627                                 manage_window(wins[j]);
7628                         free(r);
7629                 }
7630                 /* transient windows */
7631                 for (j = 0; j < no; j++) {
7632                         c = xcb_get_window_attributes(conn, wins[j]);
7633                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7634                         if (!r)
7635                                 continue;
7636                         if (r->override_redirect) {
7637                                 free(r);
7638                                 continue;
7639                         }
7640                         free(r);
7641
7642                         state = getstate(wins[j]);
7643                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7644                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7645                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc, &wins[j],
7646                                         NULL) && manage)
7647                                 manage_window(wins[j]);
7648                 }
7649                 free(qtr);
7650         }
7651 }
7652
7653 void
7654 setup_screens(void)
7655 {
7656         int                     i, j, k, num_screens;
7657         struct workspace        *ws;
7658         uint32_t                gcv[1], wa[1];
7659         const xcb_query_extension_reply_t *qep;
7660         xcb_cursor_t                            cursor;
7661         xcb_font_t                              cursor_font;
7662         xcb_randr_query_version_cookie_t        c;
7663         xcb_randr_query_version_reply_t         *r;
7664
7665         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7666         if ((screens = calloc(num_screens,
7667              sizeof(struct swm_screen))) == NULL)
7668                 err(1, "setup_screens: calloc: failed to allocate memory for "
7669                     "screens");
7670
7671         /* initial Xrandr setup */
7672         xrandr_support = False;
7673         c = xcb_randr_query_version(conn, True, True);
7674         r = xcb_randr_query_version_reply(conn, c, NULL);
7675         if (r) {
7676                 if (r->major_version >= 1)
7677                         xrandr_support = True;
7678                 free(r);
7679         }
7680         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7681         xrandr_eventbase = qep->first_event;
7682
7683         cursor_font = xcb_generate_id(conn);
7684         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7685
7686         cursor = xcb_generate_id(conn);
7687         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7688                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7689         wa[0] = cursor;
7690
7691         /* map physical screens */
7692         for (i = 0; i < num_screens; i++) {
7693                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7694                 screens[i].idx = i;
7695                 TAILQ_INIT(&screens[i].rl);
7696                 TAILQ_INIT(&screens[i].orl);
7697                 screens[i].root = RootWindow(display, i);
7698
7699                 /* set default colors */
7700                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7701                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7702                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7703                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7704                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7705
7706                 /* create graphics context on screen */
7707                 screens[i].bar_gc = xcb_generate_id(conn);
7708                 gcv[0] = 0;
7709                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7710                         XCB_GC_GRAPHICS_EXPOSURES, gcv);
7711
7712                 /* set default cursor */
7713                 xcb_change_window_attributes(conn, screens[i].root,
7714                         XCB_CW_CURSOR, wa);
7715
7716                 /* init all workspaces */
7717                 /* XXX these should be dynamically allocated too */
7718                 for (j = 0; j < SWM_WS_MAX; j++) {
7719                         ws = &screens[i].ws[j];
7720                         ws->idx = j;
7721                         ws->name = NULL;
7722                         ws->focus = NULL;
7723                         ws->r = NULL;
7724                         ws->old_r = NULL;
7725                         TAILQ_INIT(&ws->winlist);
7726                         TAILQ_INIT(&ws->unmanagedlist);
7727
7728                         for (k = 0; layouts[k].l_stack != NULL; k++)
7729                                 if (layouts[k].l_config != NULL)
7730                                         layouts[k].l_config(ws,
7731                                             SWM_ARG_ID_STACKINIT);
7732                         ws->cur_layout = &layouts[0];
7733                         ws->cur_layout->l_string(ws);
7734                 }
7735
7736                 scan_xrandr(i);
7737
7738                 if (xrandr_support)
7739                         xcb_randr_select_input(conn, screens[i].root,
7740                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7741         }
7742         xcb_free_cursor(conn, cursor);
7743         xcb_close_font(conn, cursor_font);
7744 }
7745
7746 void
7747 setup_globals(void)
7748 {
7749         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7750                 err(1, "setup_globals: strdup: failed to allocate memory.");
7751
7752         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7753                 err(1, "setup_globals: strdup: failed to allocate memory.");
7754 }
7755
7756 void
7757 workaround(void)
7758 {
7759         int                     i, num_screens;
7760         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7761         xcb_window_t            root, win;
7762         xcb_screen_t            *screen;
7763         uint32_t                wa[2];
7764
7765         /* work around sun jdk bugs, code from wmname */
7766         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7767         netwmname = get_atom_from_string("_NET_WM_NAME");
7768         utf8_string = get_atom_from_string("UTF8_STRING");
7769
7770         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7771         for (i = 0; i < num_screens; i++) {
7772                 root = screens[i].root;
7773                 screen = get_screen(i);
7774
7775                 win = xcb_generate_id(conn);
7776                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7777                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7778                 xcb_create_window(conn, screen->root_depth, win, 0,
7779                         0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
7780                         screen->root_visual,
7781                         XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7782
7783                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7784                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7785                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7786                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7787                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7788                         netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7789         }
7790 }
7791
7792 int
7793 main(int argc, char *argv[])
7794 {
7795         struct swm_region       *r, *rr;
7796         struct ws_win           *winfocus = NULL;
7797         struct timeval          tv;
7798         union arg               a;
7799         char                    conf[PATH_MAX], *cfile = NULL;
7800         struct stat             sb;
7801         XEvent                  e;
7802         int                     xfd, i, num_screens;
7803         fd_set                  rd;
7804         struct sigaction        sact;
7805
7806         start_argv = argv;
7807         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7808         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7809             !XSupportsLocale())
7810                 warnx("no locale support");
7811
7812         if (!X_HAVE_UTF8_STRING)
7813                 warnx("no UTF-8 support");
7814
7815         if (!(display = XOpenDisplay(0)))
7816                 errx(1, "can not open display");
7817
7818         if (!(conn = XGetXCBConnection(display)))
7819                 errx(1, "can not get XCB connection");
7820
7821         if (active_wm())
7822                 errx(1, "other wm running");
7823
7824         /* handle some signals */
7825         bzero(&sact, sizeof(sact));
7826         sigemptyset(&sact.sa_mask);
7827         sact.sa_flags = 0;
7828         sact.sa_handler = sighdlr;
7829         sigaction(SIGINT, &sact, NULL);
7830         sigaction(SIGQUIT, &sact, NULL);
7831         sigaction(SIGTERM, &sact, NULL);
7832         sigaction(SIGHUP, &sact, NULL);
7833
7834         sact.sa_handler = sighdlr;
7835         sact.sa_flags = SA_NOCLDSTOP;
7836         sigaction(SIGCHLD, &sact, NULL);
7837
7838         astate = get_atom_from_string("WM_STATE");
7839         aprot = get_atom_from_string("WM_PROTOCOLS");
7840         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7841         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7842         a_wmname = get_atom_from_string("WM_NAME");
7843         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7844         a_utf8_string = get_atom_from_string("UTF8_STRING");
7845         a_string = get_atom_from_string("STRING");
7846         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7847
7848         /* look for local and global conf file */
7849         pwd = getpwuid(getuid());
7850         if (pwd == NULL)
7851                 errx(1, "invalid user: %d", getuid());
7852
7853         syms = xcb_key_symbols_alloc(conn);
7854         if (syms == NULL)
7855                 errx(1, "unable to allocate key symbols");
7856
7857         setup_globals();
7858         setup_screens();
7859         setup_keys();
7860         setup_quirks();
7861         setup_spawn();
7862
7863         /* load config */
7864         for (i = 0; ; i++) {
7865                 conf[0] = '\0';
7866                 switch (i) {
7867                 case 0:
7868                         /* ~ */
7869                         snprintf(conf, sizeof conf, "%s/.%s",
7870                             pwd->pw_dir, SWM_CONF_FILE);
7871                         break;
7872                 case 1:
7873                         /* global */
7874                         snprintf(conf, sizeof conf, "/etc/%s",
7875                             SWM_CONF_FILE);
7876                         break;
7877                 case 2:
7878                         /* ~ compat */
7879                         snprintf(conf, sizeof conf, "%s/.%s",
7880                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7881                         break;
7882                 case 3:
7883                         /* global compat */
7884                         snprintf(conf, sizeof conf, "/etc/%s",
7885                             SWM_CONF_FILE_OLD);
7886                         break;
7887                 default:
7888                         goto noconfig;
7889                 }
7890
7891                 if (strlen(conf) && stat(conf, &sb) != -1)
7892                         if (S_ISREG(sb.st_mode)) {
7893                                 cfile = conf;
7894                                 break;
7895                         }
7896         }
7897 noconfig:
7898
7899         /* load conf (if any) */
7900         if (cfile)
7901                 conf_load(cfile, SWM_CONF_DEFAULT);
7902
7903         setup_ewmh();
7904         /* set some values to work around bad programs */
7905         workaround();
7906         /* grab existing windows (before we build the bars) */
7907         grab_windows();
7908
7909         if (getenv("SWM_STARTED") == NULL)
7910                 setenv("SWM_STARTED", "YES", 1);
7911
7912         /* setup all bars */
7913         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7914         for (i = 0; i < num_screens; i++)
7915                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7916                         if (winfocus == NULL)
7917                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7918                         bar_setup(r);
7919                 }
7920
7921         unfocus_all();
7922
7923         grabkeys();
7924         stack();
7925         if (focus_mode == SWM_FOCUS_DEFAULT)
7926                 drain_enter_notify();
7927
7928         xfd = xcb_get_file_descriptor(conn);
7929         while (running) {
7930                 while (XPending(display)) {
7931                         XNextEvent(display, &e);
7932                         if (running == 0)
7933                                 goto done;
7934                         if (e.type < LASTEvent) {
7935                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7936                                     "window: 0x%lx, type: %s (%d), %d remaining"
7937                                     "\n", YESNO(handler[e.type]),
7938                                     e.xany.window, geteventname(&e),
7939                                     e.type, QLength(display));
7940
7941                                 if (handler[e.type])
7942                                         handler[e.type](&e);
7943                         } else {
7944                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7945                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7946                                     xrandr_geteventname(&e), e.type);
7947
7948                                 switch (e.type - xrandr_eventbase) {
7949                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7950                                         screenchange(&e);
7951                                         break;
7952                                 default:
7953                                         break;
7954                                 }
7955                         }
7956                 }
7957
7958                 /* if we are being restarted go focus on first window */
7959                 if (winfocus) {
7960                         rr = winfocus->ws->r;
7961                         if (rr == NULL) {
7962                                 /* not a visible window */
7963                                 winfocus = NULL;
7964                                 continue;
7965                         }
7966                         /* move pointer to first screen if multi screen */
7967                         if (num_screens > 1 || outputs > 1)
7968                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7969                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7970                                         Y(rr) + (bar_enabled ? bar_height : 0));
7971
7972                         a.id = SWM_ARG_ID_FOCUSCUR;
7973                         focus(rr, &a);
7974                         winfocus = NULL;
7975                         continue;
7976                 }
7977
7978                 FD_ZERO(&rd);
7979                 FD_SET(xfd, &rd);
7980                 tv.tv_sec = 1;
7981                 tv.tv_usec = 0;
7982                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7983                         if (errno != EINTR)
7984                                 DNPRINTF(SWM_D_MISC, "select failed");
7985                 if (restart_wm == 1)
7986                         restart(NULL, NULL);
7987                 if (search_resp == 1)
7988                         search_do_resp();
7989                 if (running == 0)
7990                         goto done;
7991                 if (bar_alarm) {
7992                         bar_alarm = 0;
7993                         bar_update();
7994                 }
7995         }
7996 done:
7997         teardown_ewmh();
7998         bar_extra_stop();
7999
8000         for (i = 0; i < num_screens; ++i)
8001                 if (screens[i].bar_gc != 0)
8002                         xcb_free_gc(conn, screens[i].bar_gc);
8003         XFreeFontSet(display, bar_fs);
8004
8005         xcb_key_symbols_free(syms);
8006         xcb_disconnect(conn);
8007
8008         return (0);
8009 }