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.h>
  94 #include <X11/Xproto.h>
  95 #include <X11/Xutil.h>
  96 #include <X11/extensions/Xrandr.h>
  97 #include <X11/extensions/XTest.h>
  98
  99 #ifdef __OSX__
 100 #include <osx.h>
 101 #endif
 102
 103 #include "version.h"
 104
 105 #ifdef SPECTRWM_BUILDSTR
 106 static const char       *buildstr = SPECTRWM_BUILDSTR;
 107 #else
 108 static const char       *buildstr = SPECTRWM_VERSION;
 109 #endif
 110
 111 #if RANDR_MAJOR < 1
 112 #  error XRandR versions less than 1.0 are not supported
 113 #endif
 114
 115 #if RANDR_MAJOR >= 1
 116 #if RANDR_MINOR >= 2
 117 #define SWM_XRR_HAS_CRTC
 118 #endif
 119 #endif
 120
 121 /*#define SWM_DEBUG*/
 122 #ifdef SWM_DEBUG
 123 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 124 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 125 #define SWM_D_MISC              0x0001
 126 #define SWM_D_EVENT             0x0002
 127 #define SWM_D_WS                0x0004
 128 #define SWM_D_FOCUS             0x0008
 129 #define SWM_D_MOVE              0x0010
 130 #define SWM_D_STACK             0x0020
 131 #define SWM_D_MOUSE             0x0040
 132 #define SWM_D_PROP              0x0080
 133 #define SWM_D_CLASS             0x0100
 134 #define SWM_D_KEY               0x0200
 135 #define SWM_D_QUIRK             0x0400
 136 #define SWM_D_SPAWN             0x0800
 137 #define SWM_D_EVENTQ            0x1000
 138 #define SWM_D_CONF              0x2000
 139 #define SWM_D_BAR               0x4000
 140
 141 u_int32_t               swm_debug = 0
 142                             | SWM_D_MISC
 143                             | SWM_D_EVENT
 144                             | SWM_D_WS
 145                             | SWM_D_FOCUS
 146                             | SWM_D_MOVE
 147                             | SWM_D_STACK
 148                             | SWM_D_MOUSE
 149                             | SWM_D_PROP
 150                             | SWM_D_CLASS
 151                             | SWM_D_KEY
 152                             | SWM_D_QUIRK
 153                             | SWM_D_SPAWN
 154                             | SWM_D_EVENTQ
 155                             | SWM_D_CONF
 156                             | SWM_D_BAR
 157                             ;
 158 #else
 159 #define DPRINTF(x...)
 160 #define DNPRINTF(n,x...)
 161 #endif
 162
 163 #define LENGTH(x)               (sizeof x / sizeof x[0])
 164 #define MODKEY                  Mod1Mask
 165 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 166 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 167 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 168 #define SWM_PROPLEN             (16)
 169 #define SWM_FUNCNAME_LEN        (32)
 170 #define SWM_KEYS_LEN            (255)
 171 #define SWM_QUIRK_LEN           (64)
 172 #define X(r)                    (r)->g.x
 173 #define Y(r)                    (r)->g.y
 174 #define WIDTH(r)                (r)->g.w
 175 #define HEIGHT(r)               (r)->g.h
 176 #define BORDER(w)               (w->bordered ? border_width : 0)
 177 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 178 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 179 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 180 #define SH_MIN_W(w)             (w)->sh.min_width
 181 #define SH_MIN_H(w)             (w)->sh.min_height
 182 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 183 #define SH_MAX_W(w)             (w)->sh.max_width
 184 #define SH_MAX_H(w)             (w)->sh.max_height
 185 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 186 #define SH_INC_W(w)             (w)->sh.width_inc
 187 #define SH_INC_H(w)             (w)->sh.height_inc
 188 #define SWM_MAX_FONT_STEPS      (3)
 189 #define WINID(w)                ((w) ? (w)->id : 0)
 190 #define YESNO(x)                ((x) ? "yes" : "no")
 191
 192 #define SWM_FOCUS_DEFAULT       (0)
 193 #define SWM_FOCUS_SYNERGY       (1)
 194 #define SWM_FOCUS_FOLLOW        (2)
 195
 196 #define SWM_CONF_DEFAULT        (0)
 197 #define SWM_CONF_KEYMAPPING     (1)
 198
 199 #ifndef SWM_LIB
 200 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 201 #endif
 202
 203 char                    **start_argv;
 204 Atom                    astate;
 205 Atom                    aprot;
 206 Atom                    adelete;
 207 Atom                    takefocus;
 208 Atom                    a_wmname;
 209 Atom                    a_netwmname;
 210 Atom                    a_utf8_string;
 211 Atom                    a_string;
 212 Atom                    a_swm_iconic;
 213 volatile sig_atomic_t   running = 1;
 214 volatile sig_atomic_t   restart_wm = 0;
 215 int                     outputs = 0;
 216 int                     last_focus_event = FocusOut;
 217 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 218 int                     other_wm;
 219 int                     ss_enabled = 0;
 220 int                     xrandr_support;
 221 int                     xrandr_eventbase;
 222 unsigned int            numlockmask = 0;
 223 Display                 *display;
 224
 225 int                     cycle_empty = 0;
 226 int                     cycle_visible = 0;
 227 int                     term_width = 0;
 228 int                     font_adjusted = 0;
 229 unsigned int            mod_key = MODKEY;
 230
 231 /* dmenu search */
 232 struct swm_region       *search_r;
 233 int                     select_list_pipe[2];
 234 int                     select_resp_pipe[2];
 235 pid_t                   searchpid;
 236 volatile sig_atomic_t   search_resp;
 237 int                     search_resp_action;
 238
 239 struct search_window {
 240         TAILQ_ENTRY(search_window)      entry;
 241         int                             idx;
 242         struct ws_win                   *win;
 243         GC                              gc;
 244         Window                          indicator;
 245 };
 246 TAILQ_HEAD(search_winlist, search_window);
 247 struct search_winlist                   search_wl;
 248
 249 /* search actions */
 250 enum {
 251         SWM_SEARCH_NONE,
 252         SWM_SEARCH_UNICONIFY,
 253         SWM_SEARCH_NAME_WORKSPACE,
 254         SWM_SEARCH_SEARCH_WORKSPACE,
 255         SWM_SEARCH_SEARCH_WINDOW
 256 };
 257
 258 #define SWM_STACK_TOP           (0)
 259 #define SWM_STACK_BOTTOM        (1)
 260 #define SWM_STACK_ABOVE         (2)
 261 #define SWM_STACK_BELOW         (3)
 262
 263 /* dialog windows */
 264 double                  dialog_ratio = 0.6;
 265 /* status bar */
 266 #define SWM_BAR_MAX             (256)
 267 #define SWM_BAR_JUSTIFY_LEFT    (0)
 268 #define SWM_BAR_JUSTIFY_CENTER  (1)
 269 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 270 #define SWM_BAR_OFFSET          (4)
 271 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 272                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 273                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 274                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 275                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 276
 277 #ifdef X_HAVE_UTF8_STRING
 278 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 279 #else
 280 #define DRAWSTRING(x...)        XmbDrawString(x)
 281 #endif
 282
 283 char                    *bar_argv[] = { NULL, NULL };
 284 int                     bar_pipe[2];
 285 unsigned char           bar_ext[SWM_BAR_MAX];
 286 char                    bar_vertext[SWM_BAR_MAX];
 287 int                     bar_version = 0;
 288 sig_atomic_t            bar_alarm = 0;
 289 int                     bar_delay = 30;
 290 int                     bar_enabled = 1;
 291 int                     bar_border_width = 1;
 292 int                     bar_at_bottom = 0;
 293 int                     bar_extra = 1;
 294 int                     bar_extra_running = 0;
 295 int                     bar_verbose = 1;
 296 int                     bar_height = 0;
 297 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 298 char                    *bar_format = NULL;
 299 int                     stack_enabled = 1;
 300 int                     clock_enabled = 1;
 301 int                     urgent_enabled = 0;
 302 char                    *clock_format = NULL;
 303 int                     title_name_enabled = 0;
 304 int                     title_class_enabled = 0;
 305 int                     window_name_enabled = 0;
 306 int                     focus_mode = SWM_FOCUS_DEFAULT;
 307 int                     focus_close = SWM_STACK_BELOW;
 308 int                     focus_close_wrap = 1;
 309 int                     focus_default = SWM_STACK_TOP;
 310 int                     spawn_position = SWM_STACK_TOP;
 311 int                     disable_border = 0;
 312 int                     border_width = 1;
 313 int                     verbose_layout = 0;
 314 pid_t                   bar_pid;
 315 XFontSet                bar_fs;
 316 XFontSetExtents         *bar_fs_extents;
 317 char                    *bar_fonts;
 318 struct passwd           *pwd;
 319
 320 #define SWM_MENU_FN     (2)
 321 #define SWM_MENU_NB     (4)
 322 #define SWM_MENU_NF     (6)
 323 #define SWM_MENU_SB     (8)
 324 #define SWM_MENU_SF     (10)
 325
 326 /* layout manager data */
 327 struct swm_geometry {
 328         int                     x;
 329         int                     y;
 330         int                     w;
 331         int                     h;
 332 };
 333
 334 struct swm_screen;
 335 struct workspace;
 336
 337 struct swm_bar {
 338         Window                  id;
 339         Pixmap                  buffer;
 340         struct swm_geometry     g;
 341 };
 342
 343 /* virtual "screens" */
 344 struct swm_region {
 345         TAILQ_ENTRY(swm_region) entry;
 346         struct swm_geometry     g;
 347         struct workspace        *ws;    /* current workspace on this region */
 348         struct workspace        *ws_prior; /* prior workspace on this region */
 349         struct swm_screen       *s;     /* screen idx */
 350         struct swm_bar          *bar;
 351 };
 352 TAILQ_HEAD(swm_region_list, swm_region);
 353
 354 struct ws_win {
 355         TAILQ_ENTRY(ws_win)     entry;
 356         Window                  id;
 357         Window                  transient;
 358         struct ws_win           *child_trans;   /* transient child window */
 359         struct swm_geometry     g;              /* current geometry */
 360         struct swm_geometry     g_float;        /* region coordinates */
 361         int                     g_floatvalid;   /* g_float geometry validity */
 362         int                     floatmaxed;     /* whether maxed by max_stack */
 363         int                     floating;
 364         int                     manual;
 365         int                     iconic;
 366         int                     bordered;
 367         unsigned int            ewmh_flags;
 368         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 369         int                     font_steps;
 370         int                     last_inc;
 371         int                     can_delete;
 372         int                     take_focus;
 373         int                     java;
 374         unsigned long           quirks;
 375         struct workspace        *ws;    /* always valid */
 376         struct swm_screen       *s;     /* always valid, never changes */
 377         XWindowAttributes       wa;
 378         XSizeHints              sh;
 379         long                    sh_mask;
 380         XClassHint              ch;
 381         XWMHints                *hints;
 382 };
 383 TAILQ_HEAD(ws_win_list, ws_win);
 384
 385 /* pid goo */
 386 struct pid_e {
 387         TAILQ_ENTRY(pid_e)      entry;
 388         long                    pid;
 389         int                     ws;
 390 };
 391 TAILQ_HEAD(pid_list, pid_e);
 392 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 393
 394 /* layout handlers */
 395 void    stack(void);
 396 void    vertical_config(struct workspace *, int);
 397 void    vertical_stack(struct workspace *, struct swm_geometry *);
 398 void    horizontal_config(struct workspace *, int);
 399 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 400 void    max_stack(struct workspace *, struct swm_geometry *);
 401 void    plain_stacker(struct workspace *);
 402 void    fancy_stacker(struct workspace *);
 403
 404 struct ws_win *find_window(Window);
 405
 406 void    grabbuttons(struct ws_win *, int);
 407 void    new_region(struct swm_screen *, int, int, int, int);
 408 void    unmanage_window(struct ws_win *);
 409 long    getstate(Window);
 410
 411 int     conf_load(char *, int);
 412
 413 struct layout {
 414         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 415         void            (*l_config)(struct workspace *, int);
 416         u_int32_t       flags;
 417 #define SWM_L_FOCUSPREV         (1<<0)
 418 #define SWM_L_MAPONFOCUS        (1<<1)
 419         void            (*l_string)(struct workspace *);
 420 } layouts[] =  {
 421         /* stack,               configure */
 422         { vertical_stack,       vertical_config,        0,      plain_stacker },
 423         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 424         { max_stack,            NULL,
 425           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 426         { NULL,                 NULL,                   0,      NULL  },
 427 };
 428
 429 /* position of max_stack mode in the layouts array, index into layouts! */
 430 #define SWM_V_STACK             (0)
 431 #define SWM_H_STACK             (1)
 432 #define SWM_MAX_STACK           (2)
 433
 434 #define SWM_H_SLICE             (32)
 435 #define SWM_V_SLICE             (32)
 436
 437 /* define work spaces */
 438 struct workspace {
 439         int                     idx;            /* workspace index */
 440         char                    *name;          /* workspace name */
 441         int                     always_raise;   /* raise windows on focus */
 442         struct layout           *cur_layout;    /* current layout handlers */
 443         struct ws_win           *focus;         /* may be NULL */
 444         struct ws_win           *focus_prev;    /* may be NULL */
 445         struct swm_region       *r;             /* may be NULL */
 446         struct swm_region       *old_r;         /* may be NULL */
 447         struct ws_win_list      winlist;        /* list of windows in ws */
 448         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 449         char                    stacker[10];    /* display stacker and layout */
 450
 451         /* stacker state */
 452         struct {
 453                                 int horizontal_msize;
 454                                 int horizontal_mwin;
 455                                 int horizontal_stacks;
 456                                 int horizontal_flip;
 457                                 int vertical_msize;
 458                                 int vertical_mwin;
 459                                 int vertical_stacks;
 460                                 int vertical_flip;
 461         } l_state;
 462 };
 463
 464 enum {
 465         SWM_S_COLOR_BAR,
 466         SWM_S_COLOR_BAR_BORDER,
 467         SWM_S_COLOR_BAR_FONT,
 468         SWM_S_COLOR_FOCUS,
 469         SWM_S_COLOR_UNFOCUS,
 470         SWM_S_COLOR_MAX
 471 };
 472
 473 /* physical screen mapping */
 474 #define SWM_WS_MAX              (22)    /* hard limit */
 475 int             workspace_limit = 10;   /* soft limit */
 476
 477 struct swm_screen {
 478         int                     idx;    /* screen index */
 479         struct swm_region_list  rl;     /* list of regions on this screen */
 480         struct swm_region_list  orl;    /* list of old regions */
 481         Window                  root;
 482         struct workspace        ws[SWM_WS_MAX];
 483
 484         /* colors */
 485         struct {
 486                 unsigned long   color;
 487                 char            *name;
 488         } c[SWM_S_COLOR_MAX];
 489
 490         GC                      bar_gc;
 491 };
 492 struct swm_screen       *screens;
 493
 494 /* args to functions */
 495 union arg {
 496         int                     id;
 497 #define SWM_ARG_ID_FOCUSNEXT    (0)
 498 #define SWM_ARG_ID_FOCUSPREV    (1)
 499 #define SWM_ARG_ID_FOCUSMAIN    (2)
 500 #define SWM_ARG_ID_FOCUSCUR     (4)
 501 #define SWM_ARG_ID_SWAPNEXT     (10)
 502 #define SWM_ARG_ID_SWAPPREV     (11)
 503 #define SWM_ARG_ID_SWAPMAIN     (12)
 504 #define SWM_ARG_ID_MOVELAST     (13)
 505 #define SWM_ARG_ID_MASTERSHRINK (20)
 506 #define SWM_ARG_ID_MASTERGROW   (21)
 507 #define SWM_ARG_ID_MASTERADD    (22)
 508 #define SWM_ARG_ID_MASTERDEL    (23)
 509 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 510 #define SWM_ARG_ID_STACKRESET   (30)
 511 #define SWM_ARG_ID_STACKINIT    (31)
 512 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 513 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 514 #define SWM_ARG_ID_CYCLESC_UP   (42)
 515 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 516 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 517 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 518 #define SWM_ARG_ID_STACKINC     (50)
 519 #define SWM_ARG_ID_STACKDEC     (51)
 520 #define SWM_ARG_ID_SS_ALL       (60)
 521 #define SWM_ARG_ID_SS_WINDOW    (61)
 522 #define SWM_ARG_ID_DONTCENTER   (70)
 523 #define SWM_ARG_ID_CENTER       (71)
 524 #define SWM_ARG_ID_KILLWINDOW   (80)
 525 #define SWM_ARG_ID_DELETEWINDOW (81)
 526 #define SWM_ARG_ID_WIDTHGROW    (90)
 527 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 528 #define SWM_ARG_ID_HEIGHTGROW   (92)
 529 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 530 #define SWM_ARG_ID_MOVEUP       (100)
 531 #define SWM_ARG_ID_MOVEDOWN     (101)
 532 #define SWM_ARG_ID_MOVELEFT     (102)
 533 #define SWM_ARG_ID_MOVERIGHT    (103)
 534         char                    **argv;
 535 };
 536
 537 void    focus(struct swm_region *, union arg *);
 538 void    focus_magic(struct ws_win *);
 539
 540 /* quirks */
 541 struct quirk {
 542         TAILQ_ENTRY(quirk)      entry;
 543         char                    *class;
 544         char                    *name;
 545         unsigned long           quirk;
 546 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 547 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 548 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 549 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 550 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 551 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 552 };
 553 TAILQ_HEAD(quirk_list, quirk);
 554 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 555
 556 /*
 557  * Supported EWMH hints should be added to
 558  * both the enum and the ewmh array
 559  */
 560 enum {
 561         _NET_ACTIVE_WINDOW,
 562         _NET_CLOSE_WINDOW,
 563         _NET_MOVERESIZE_WINDOW,
 564         _NET_WM_ACTION_CLOSE,
 565         _NET_WM_ACTION_FULLSCREEN,
 566         _NET_WM_ACTION_MOVE,
 567         _NET_WM_ACTION_RESIZE,
 568         _NET_WM_ALLOWED_ACTIONS,
 569         _NET_WM_STATE,
 570         _NET_WM_STATE_ABOVE,
 571         _NET_WM_STATE_FULLSCREEN,
 572         _NET_WM_STATE_HIDDEN,
 573         _NET_WM_STATE_MAXIMIZED_HORZ,
 574         _NET_WM_STATE_MAXIMIZED_VERT,
 575         _NET_WM_STATE_SKIP_PAGER,
 576         _NET_WM_STATE_SKIP_TASKBAR,
 577         _NET_WM_WINDOW_TYPE,
 578         _NET_WM_WINDOW_TYPE_DIALOG,
 579         _NET_WM_WINDOW_TYPE_DOCK,
 580         _NET_WM_WINDOW_TYPE_NORMAL,
 581         _NET_WM_WINDOW_TYPE_SPLASH,
 582         _NET_WM_WINDOW_TYPE_TOOLBAR,
 583         _NET_WM_WINDOW_TYPE_UTILITY,
 584         _SWM_WM_STATE_MANUAL,
 585         SWM_EWMH_HINT_MAX
 586 };
 587
 588 struct ewmh_hint {
 589         char    *name;
 590         Atom     atom;
 591 } ewmh[SWM_EWMH_HINT_MAX] =     {
 592     /* must be in same order as in the enum */
 593     {"_NET_ACTIVE_WINDOW", None},
 594     {"_NET_CLOSE_WINDOW", None},
 595     {"_NET_MOVERESIZE_WINDOW", None},
 596     {"_NET_WM_ACTION_CLOSE", None},
 597     {"_NET_WM_ACTION_FULLSCREEN", None},
 598     {"_NET_WM_ACTION_MOVE", None},
 599     {"_NET_WM_ACTION_RESIZE", None},
 600     {"_NET_WM_ALLOWED_ACTIONS", None},
 601     {"_NET_WM_STATE", None},
 602     {"_NET_WM_STATE_ABOVE", None},
 603     {"_NET_WM_STATE_FULLSCREEN", None},
 604     {"_NET_WM_STATE_HIDDEN", None},
 605     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 606     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 607     {"_NET_WM_STATE_SKIP_PAGER", None},
 608     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 609     {"_NET_WM_WINDOW_TYPE", None},
 610     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 611     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 612     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 613     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 614     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 615     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 616     {"_SWM_WM_STATE_MANUAL", None},
 617 };
 618
 619 void             store_float_geom(struct ws_win *, struct swm_region *);
 620 int              floating_toggle_win(struct ws_win *);
 621 void             constrain_window(struct ws_win *, struct swm_region *, int);
 622 void             update_window(struct ws_win *);
 623 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 624 unsigned char   *get_win_name(Window);
 625
 626 int
 627 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 628     unsigned long *nbytes, unsigned char **data)
 629 {
 630         int                     format, status;
 631         unsigned long           *nbytes_ret, *nitems_ret;
 632         unsigned long           nbytes_tmp, nitems_tmp;
 633         Atom                    real;
 634
 635         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 636         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 637
 638         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 639             &real, &format, nitems_ret, nbytes_ret, data);
 640
 641         if (status != Success)
 642                 return (False);
 643         if (real != type)
 644                 return (False);
 645
 646         return (True);
 647 }
 648
 649 void
 650 update_iconic(struct ws_win *win, int newv)
 651 {
 652         int32_t v = newv;
 653         Atom iprop;
 654
 655         win->iconic = newv;
 656
 657         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 658         if (!iprop)
 659                 return;
 660         if (newv)
 661                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 662                     PropModeReplace, (unsigned char *)&v, 1);
 663         else
 664                 XDeleteProperty(display, win->id, iprop);
 665 }
 666
 667 int
 668 get_iconic(struct ws_win *win)
 669 {
 670         int32_t v = 0;
 671         int retfmt, status;
 672         Atom iprop, rettype;
 673         unsigned long nitems, extra;
 674         unsigned char *prop = NULL;
 675
 676         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 677         if (!iprop)
 678                 goto out;
 679         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 680             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 681         if (status != Success)
 682                 goto out;
 683         if (rettype != XA_INTEGER || retfmt != 32)
 684                 goto out;
 685         if (nitems != 1)
 686                 goto out;
 687         v = *((int32_t *)prop);
 688
 689 out:
 690         if (prop != NULL)
 691                 XFree(prop);
 692         return (v);
 693 }
 694
 695 void
 696 setup_ewmh(void)
 697 {
 698         int                     i,j;
 699         Atom                    sup_list;
 700
 701         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 702
 703         for (i = 0; i < LENGTH(ewmh); i++)
 704                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 705
 706         for (i = 0; i < ScreenCount(display); i++) {
 707                 /* Support check window will be created by workaround(). */
 708
 709                 /* Report supported atoms */
 710                 XDeleteProperty(display, screens[i].root, sup_list);
 711                 for (j = 0; j < LENGTH(ewmh); j++)
 712                         XChangeProperty(display, screens[i].root,
 713                             sup_list, XA_ATOM, 32,
 714                             PropModeAppend, (unsigned char *)&ewmh[j].atom, 1);
 715         }
 716 }
 717
 718 void
 719 teardown_ewmh(void)
 720 {
 721         int                     i, success;
 722         unsigned char           *data = NULL;
 723         unsigned long           n;
 724         Atom                    sup_check, sup_list;
 725         Window                  id;
 726
 727         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 728         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 729
 730         for (i = 0; i < ScreenCount(display); i++) {
 731                 /* Get the support check window and destroy it */
 732                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 733                     &n, NULL, &data);
 734
 735                 if (success) {
 736                         id = data[0];
 737                         XDestroyWindow(display, id);
 738                         XDeleteProperty(display, screens[i].root, sup_check);
 739                         XDeleteProperty(display, screens[i].root, sup_list);
 740                 }
 741
 742                 XFree(data);
 743         }
 744 }
 745
 746 void
 747 ewmh_autoquirk(struct ws_win *win)
 748 {
 749         int                     success, i;
 750         unsigned long           *data = NULL, n;
 751         Atom                    type;
 752
 753         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 754             XA_ATOM, &n, NULL, (void *)&data);
 755
 756         if (!success) {
 757                 XFree(data);
 758                 return;
 759         }
 760
 761         for (i = 0; i < n; i++) {
 762                 type = data[i];
 763                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 764                         break;
 765                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 766                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 767                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 768                         win->floating = 1;
 769                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 770                         break;
 771                 }
 772                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 773                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 774                         win->floating = 1;
 775                         win->quirks = SWM_Q_FLOAT;
 776                         break;
 777                 }
 778         }
 779
 780         XFree(data);
 781 }
 782
 783 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 784 #define EWMH_F_FULLSCREEN               (1<<0)
 785 #define EWMH_F_ABOVE                    (1<<1)
 786 #define EWMH_F_HIDDEN                   (1<<2)
 787 #define EWMH_F_SKIP_PAGER               (1<<3)
 788 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 789 #define SWM_F_MANUAL                    (1<<5)
 790
 791 int
 792 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 793 {
 794         if (!win->ws->r)
 795                 return (0);
 796
 797         if (!win->floating)
 798                 return (0);
 799
 800         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 801             "fullscreen %s\n", win->id, YESNO(fs));
 802
 803         if (fs) {
 804                 if (!win->g_floatvalid)
 805                         store_float_geom(win, win->ws->r);
 806
 807                 win->g = win->ws->r->g;
 808                 win->bordered = 0;
 809         } else {
 810                 if (win->g_floatvalid) {
 811                         /* refloat at last floating relative position */
 812                         win->g = win->g_float;
 813                         X(win) += X(win->ws->r);
 814                         Y(win) += Y(win->ws->r);
 815                 }
 816         }
 817
 818         return (1);
 819 }
 820
 821 void
 822 ewmh_update_actions(struct ws_win *win)
 823 {
 824         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 825         int                     n = 0;
 826
 827         if (win == NULL)
 828                 return;
 829
 830         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 831
 832         if (win->floating) {
 833                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 834                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 835         }
 836
 837         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 838             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 839 }
 840
 841 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 842 #define _NET_WM_STATE_ADD       1    /* add/set property */
 843 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 844
 845 void
 846 ewmh_update_win_state(struct ws_win *win, long state, long action)
 847 {
 848         unsigned int            mask = 0;
 849         unsigned int            changed = 0;
 850         unsigned int            orig_flags;
 851
 852         if (win == NULL)
 853                 return;
 854
 855         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 856                 mask = EWMH_F_FULLSCREEN;
 857         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 858                 mask = EWMH_F_ABOVE;
 859         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 860                 mask = SWM_F_MANUAL;
 861         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 862                 mask = EWMH_F_SKIP_PAGER;
 863         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 864                 mask = EWMH_F_SKIP_TASKBAR;
 865
 866
 867         orig_flags = win->ewmh_flags;
 868
 869         switch (action) {
 870         case _NET_WM_STATE_REMOVE:
 871                 win->ewmh_flags &= ~mask;
 872                 break;
 873         case _NET_WM_STATE_ADD:
 874                 win->ewmh_flags |= mask;
 875                 break;
 876         case _NET_WM_STATE_TOGGLE:
 877                 win->ewmh_flags ^= mask;
 878                 break;
 879         }
 880
 881         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 882
 883         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 884                 if (changed)
 885                         if (!floating_toggle_win(win))
 886                                 win->ewmh_flags = orig_flags; /* revert */
 887         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 888                 if (changed)
 889                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 890         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 891                 if (changed)
 892                         if (!ewmh_set_win_fullscreen(win,
 893                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 894                                 win->ewmh_flags = orig_flags; /* revert */
 895
 896         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 897
 898         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 899                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 900                     XA_ATOM, 32, PropModeAppend,
 901                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 902         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 903                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 904                     XA_ATOM, 32, PropModeAppend,
 905                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 906         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 907                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 908                     XA_ATOM, 32, PropModeAppend,
 909                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 910         if (win->ewmh_flags & EWMH_F_ABOVE)
 911                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 912                     XA_ATOM, 32, PropModeAppend,
 913                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 914         if (win->ewmh_flags & SWM_F_MANUAL)
 915                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 916                     XA_ATOM, 32, PropModeAppend,
 917                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 918 }
 919
 920 void
 921 ewmh_get_win_state(struct ws_win *win)
 922 {
 923         int                     success, i;
 924         unsigned long           n;
 925         Atom                    *states;
 926
 927         if (win == NULL)
 928                 return;
 929
 930         win->ewmh_flags = 0;
 931         if (win->floating)
 932                 win->ewmh_flags |= EWMH_F_ABOVE;
 933         if (win->manual)
 934                 win->ewmh_flags |= SWM_F_MANUAL;
 935
 936         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 937             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 938
 939         if (!success)
 940                 return;
 941
 942         for (i = 0; i < n; i++)
 943                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 944
 945         XFree(states);
 946 }
 947
 948 /* events */
 949 #ifdef SWM_DEBUG
 950 char *
 951 geteventname(XEvent *e)
 952 {
 953         char                    *name = NULL;
 954
 955         switch (e->type) {
 956         case KeyPress:
 957                 name = "KeyPress";
 958                 break;
 959         case KeyRelease:
 960                 name = "KeyRelease";
 961                 break;
 962         case ButtonPress:
 963                 name = "ButtonPress";
 964                 break;
 965         case ButtonRelease:
 966                 name = "ButtonRelease";
 967                 break;
 968         case MotionNotify:
 969                 name = "MotionNotify";
 970                 break;
 971         case EnterNotify:
 972                 name = "EnterNotify";
 973                 break;
 974         case LeaveNotify:
 975                 name = "LeaveNotify";
 976                 break;
 977         case FocusIn:
 978                 name = "FocusIn";
 979                 break;
 980         case FocusOut:
 981                 name = "FocusOut";
 982                 break;
 983         case KeymapNotify:
 984                 name = "KeymapNotify";
 985                 break;
 986         case Expose:
 987                 name = "Expose";
 988                 break;
 989         case GraphicsExpose:
 990                 name = "GraphicsExpose";
 991                 break;
 992         case NoExpose:
 993                 name = "NoExpose";
 994                 break;
 995         case VisibilityNotify:
 996                 name = "VisibilityNotify";
 997                 break;
 998         case CreateNotify:
 999                 name = "CreateNotify";
1000                 break;
1001         case DestroyNotify:
1002                 name = "DestroyNotify";
1003                 break;
1004         case UnmapNotify:
1005                 name = "UnmapNotify";
1006                 break;
1007         case MapNotify:
1008                 name = "MapNotify";
1009                 break;
1010         case MapRequest:
1011                 name = "MapRequest";
1012                 break;
1013         case ReparentNotify:
1014                 name = "ReparentNotify";
1015                 break;
1016         case ConfigureNotify:
1017                 name = "ConfigureNotify";
1018                 break;
1019         case ConfigureRequest:
1020                 name = "ConfigureRequest";
1021                 break;
1022         case GravityNotify:
1023                 name = "GravityNotify";
1024                 break;
1025         case ResizeRequest:
1026                 name = "ResizeRequest";
1027                 break;
1028         case CirculateNotify:
1029                 name = "CirculateNotify";
1030                 break;
1031         case CirculateRequest:
1032                 name = "CirculateRequest";
1033                 break;
1034         case PropertyNotify:
1035                 name = "PropertyNotify";
1036                 break;
1037         case SelectionClear:
1038                 name = "SelectionClear";
1039                 break;
1040         case SelectionRequest:
1041                 name = "SelectionRequest";
1042                 break;
1043         case SelectionNotify:
1044                 name = "SelectionNotify";
1045                 break;
1046         case ColormapNotify:
1047                 name = "ColormapNotify";
1048                 break;
1049         case ClientMessage:
1050                 name = "ClientMessage";
1051                 break;
1052         case MappingNotify:
1053                 name = "MappingNotify";
1054                 break;
1055         default:
1056                 name = "Unknown";
1057         }
1058
1059         return (name);
1060 }
1061
1062 char *
1063 xrandr_geteventname(XEvent *e)
1064 {
1065         char                    *name = NULL;
1066
1067         switch(e->type - xrandr_eventbase) {
1068         case RRScreenChangeNotify:
1069                 name = "RRScreenChangeNotify";
1070                 break;
1071         default:
1072                 name = "Unknown";
1073         }
1074
1075         return (name);
1076 }
1077
1078 void
1079 dumpwins(struct swm_region *r, union arg *args)
1080 {
1081         struct ws_win           *win;
1082         unsigned int            state;
1083         XWindowAttributes       wa;
1084
1085         if (r->ws == NULL) {
1086                 warnx("dumpwins: invalid workspace");
1087                 return;
1088         }
1089
1090         warnx("=== managed window list ws %02d ===", r->ws->idx);
1091
1092         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1093                 state = getstate(win->id);
1094                 if (!XGetWindowAttributes(display, win->id, &wa))
1095                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1096                             win->id);
1097                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1098                     "transient: 0x%lx", win->id, wa.map_state, state,
1099                     win->transient);
1100         }
1101
1102         warnx("===== unmanaged window list =====");
1103         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1104                 state = getstate(win->id);
1105                 if (!XGetWindowAttributes(display, win->id, &wa))
1106                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1107                             win->id);
1108                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1109                     "transient: 0x%lx", win->id, wa.map_state, state,
1110                     win->transient);
1111         }
1112
1113         warnx("=================================");
1114 }
1115 #else
1116 void
1117 dumpwins(struct swm_region *r, union arg *args)
1118 {
1119 }
1120 #endif /* SWM_DEBUG */
1121
1122 void                    expose(XEvent *);
1123 void                    keypress(XEvent *);
1124 void                    buttonpress(XEvent *);
1125 void                    configurerequest(XEvent *);
1126 void                    configurenotify(XEvent *);
1127 void                    destroynotify(XEvent *);
1128 void                    enternotify(XEvent *);
1129 void                    focusevent(XEvent *);
1130 void                    mapnotify(XEvent *);
1131 void                    mappingnotify(XEvent *);
1132 void                    maprequest(XEvent *);
1133 void                    propertynotify(XEvent *);
1134 void                    unmapnotify(XEvent *);
1135 void                    visibilitynotify(XEvent *);
1136 void                    clientmessage(XEvent *);
1137
1138 void                    (*handler[LASTEvent])(XEvent *) = {
1139                                 [Expose] = expose,
1140                                 [KeyPress] = keypress,
1141                                 [ButtonPress] = buttonpress,
1142                                 [ConfigureRequest] = configurerequest,
1143                                 [ConfigureNotify] = configurenotify,
1144                                 [DestroyNotify] = destroynotify,
1145                                 [EnterNotify] = enternotify,
1146                                 [FocusIn] = focusevent,
1147                                 [FocusOut] = focusevent,
1148                                 [MapNotify] = mapnotify,
1149                                 [MappingNotify] = mappingnotify,
1150                                 [MapRequest] = maprequest,
1151                                 [PropertyNotify] = propertynotify,
1152                                 [UnmapNotify] = unmapnotify,
1153                                 [VisibilityNotify] = visibilitynotify,
1154                                 [ClientMessage] = clientmessage,
1155 };
1156
1157 void
1158 sighdlr(int sig)
1159 {
1160         int                     saved_errno, status;
1161         pid_t                   pid;
1162
1163         saved_errno = errno;
1164
1165         switch (sig) {
1166         case SIGCHLD:
1167                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1168                         if (pid == -1) {
1169                                 if (errno == EINTR)
1170                                         continue;
1171 #ifdef SWM_DEBUG
1172                                 if (errno != ECHILD)
1173                                         warn("sighdlr: waitpid");
1174 #endif /* SWM_DEBUG */
1175                                 break;
1176                         }
1177                         if (pid == searchpid)
1178                                 search_resp = 1;
1179
1180 #ifdef SWM_DEBUG
1181                         if (WIFEXITED(status)) {
1182                                 if (WEXITSTATUS(status) != 0)
1183                                         warnx("sighdlr: child exit status: %d",
1184                                             WEXITSTATUS(status));
1185                         } else
1186                                 warnx("sighdlr: child is terminated "
1187                                     "abnormally");
1188 #endif /* SWM_DEBUG */
1189                 }
1190                 break;
1191
1192         case SIGHUP:
1193                 restart_wm = 1;
1194                 break;
1195         case SIGINT:
1196         case SIGTERM:
1197         case SIGQUIT:
1198                 running = 0;
1199                 break;
1200         }
1201
1202         errno = saved_errno;
1203 }
1204
1205 struct pid_e *
1206 find_pid(long pid)
1207 {
1208         struct pid_e            *p = NULL;
1209
1210         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1211
1212         if (pid == 0)
1213                 return (NULL);
1214
1215         TAILQ_FOREACH(p, &pidlist, entry) {
1216                 if (p->pid == pid)
1217                         return (p);
1218         }
1219
1220         return (NULL);
1221 }
1222
1223 unsigned long
1224 name_to_color(char *colorname)
1225 {
1226         Colormap                cmap;
1227         Status                  status;
1228         XColor                  screen_def, exact_def;
1229         unsigned long           result = 0;
1230         char                    cname[32] = "#";
1231
1232         cmap = DefaultColormap(display, screens[0].idx);
1233         status = XAllocNamedColor(display, cmap, colorname,
1234             &screen_def, &exact_def);
1235         if (!status) {
1236                 strlcat(cname, colorname + 2, sizeof cname - 1);
1237                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1238                     &exact_def);
1239         }
1240         if (status)
1241                 result = screen_def.pixel;
1242         else
1243                 warnx("color '%s' not found", colorname);
1244
1245         return (result);
1246 }
1247
1248 void
1249 setscreencolor(char *val, int i, int c)
1250 {
1251         if (i > 0 && i <= ScreenCount(display)) {
1252                 screens[i - 1].c[c].color = name_to_color(val);
1253                 free(screens[i - 1].c[c].name);
1254                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1255                         err(1, "strdup");
1256         } else if (i == -1) {
1257                 for (i = 0; i < ScreenCount(display); i++) {
1258                         screens[i].c[c].color = name_to_color(val);
1259                         free(screens[i].c[c].name);
1260                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1261                                 err(1, "strdup");
1262                 }
1263         } else
1264                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1265                     i, ScreenCount(display));
1266 }
1267
1268 void
1269 fancy_stacker(struct workspace *ws)
1270 {
1271         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1272         if (ws->cur_layout->l_stack == vertical_stack)
1273                 snprintf(ws->stacker, sizeof ws->stacker,
1274                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1275                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1276         if (ws->cur_layout->l_stack == horizontal_stack)
1277                 snprintf(ws->stacker, sizeof ws->stacker,
1278                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1279                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1280 }
1281
1282 void
1283 plain_stacker(struct workspace *ws)
1284 {
1285         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1286         if (ws->cur_layout->l_stack == vertical_stack)
1287                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1288                     sizeof ws->stacker);
1289         if (ws->cur_layout->l_stack == horizontal_stack)
1290                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1291                     sizeof ws->stacker);
1292 }
1293
1294 void
1295 custom_region(char *val)
1296 {
1297         unsigned int                    sidx, x, y, w, h;
1298
1299         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1300                 errx(1, "invalid custom region, "
1301                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1302         if (sidx < 1 || sidx > ScreenCount(display))
1303                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1304                     sidx, ScreenCount(display));
1305         sidx--;
1306
1307         if (w < 1 || h < 1)
1308                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1309
1310         if (x > DisplayWidth(display, sidx) ||
1311             y > DisplayHeight(display, sidx) ||
1312             w + x > DisplayWidth(display, sidx) ||
1313             h + y > DisplayHeight(display, sidx)) {
1314                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1315                     "boundaries (%ux%u)", w, h, x, y,
1316                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1317                 return;
1318         }
1319
1320         new_region(&screens[sidx], x, y, w, h);
1321 }
1322
1323 void
1324 socket_setnonblock(int fd)
1325 {
1326         int                     flags;
1327
1328         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1329                 err(1, "fcntl F_GETFL");
1330         flags |= O_NONBLOCK;
1331         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1332                 err(1, "fcntl F_SETFL");
1333 }
1334
1335 void
1336 bar_print(struct swm_region *r, const char *s)
1337 {
1338         int                     x = 0;
1339         size_t                  len;
1340         XRectangle              ibox, lbox;
1341
1342         len = strlen(s);
1343         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1344
1345         switch (bar_justify) {
1346         case SWM_BAR_JUSTIFY_LEFT:
1347                 x = SWM_BAR_OFFSET;
1348                 break;
1349         case SWM_BAR_JUSTIFY_CENTER:
1350                 x = (WIDTH(r) - lbox.width) / 2;
1351                 break;
1352         case SWM_BAR_JUSTIFY_RIGHT:
1353                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1354                 break;
1355         }
1356
1357         if (x < SWM_BAR_OFFSET)
1358                 x = SWM_BAR_OFFSET;
1359
1360         /* clear back buffer */
1361         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1362         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1363             WIDTH(r->bar), HEIGHT(r->bar));
1364
1365         /* draw back buffer */
1366         XSetForeground(display, r->s->bar_gc,
1367             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1368         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1369             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1370             lbox.y, s, len);
1371
1372         /* blt */
1373         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1374             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1375 }
1376
1377 void
1378 bar_extra_stop(void)
1379 {
1380         if (bar_pipe[0]) {
1381                 close(bar_pipe[0]);
1382                 bzero(bar_pipe, sizeof bar_pipe);
1383         }
1384         if (bar_pid) {
1385                 kill(bar_pid, SIGTERM);
1386                 bar_pid = 0;
1387         }
1388         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1389         bar_extra = 0;
1390 }
1391
1392 void
1393 bar_class_name(char *s, size_t sz, struct swm_region *r)
1394 {
1395         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1396                 return;
1397         if (r->ws->focus->ch.res_class != NULL)
1398                 strlcat(s, r->ws->focus->ch.res_class, sz);
1399 }
1400
1401 void
1402 bar_title_name(char *s, size_t sz, struct swm_region *r)
1403 {
1404         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1405                 return;
1406         if (r->ws->focus->ch.res_name != NULL)
1407                 strlcat(s, r->ws->focus->ch.res_name, sz);
1408 }
1409
1410 void
1411 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1412 {
1413         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1414                 return;
1415
1416         bar_class_name(s, sz, r);
1417         strlcat(s, ":", sz);
1418         bar_title_name(s, sz, r);
1419 }
1420
1421 void
1422 bar_window_float(char *s, size_t sz, struct swm_region *r)
1423 {
1424         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1425                 return;
1426         if (r->ws->focus->floating)
1427                 strlcat(s, "(f)", sz);
1428 }
1429
1430 void
1431 bar_window_name(char *s, size_t sz, struct swm_region *r)
1432 {
1433         unsigned char           *title;
1434
1435         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1436                 return;
1437         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1438                 return;
1439
1440         strlcat(s, (char *)title, sz);
1441         XFree(title);
1442 }
1443
1444 int             urgent[SWM_WS_MAX];
1445 void
1446 bar_urgent(char *s, size_t sz)
1447 {
1448         XWMHints                *wmh = NULL;
1449         struct ws_win           *win;
1450         int                     i, j;
1451         char                    b[8];
1452
1453         for (i = 0; i < workspace_limit; i++)
1454                 urgent[i] = 0;
1455
1456         for (i = 0; i < ScreenCount(display); i++)
1457                 for (j = 0; j < workspace_limit; j++)
1458                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1459                                 wmh = XGetWMHints(display, win->id);
1460                                 if (wmh == NULL)
1461                                         continue;
1462
1463                                 if (wmh->flags & XUrgencyHint)
1464                                         urgent[j] = 1;
1465                                 XFree(wmh);
1466                         }
1467
1468         for (i = 0; i < workspace_limit; i++) {
1469                 if (urgent[i])
1470                         snprintf(b, sizeof b, "%d ", i + 1);
1471                 else
1472                         snprintf(b, sizeof b, "- ");
1473                 strlcat(s, b, sz);
1474         }
1475 }
1476
1477 void
1478 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1479 {
1480         if (r == NULL || r->ws == NULL)
1481                 return;
1482         if (r->ws->name != NULL)
1483                 strlcat(s, r->ws->name, sz);
1484 }
1485
1486 /* build the default bar format according to the defined enabled options */
1487 void
1488 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1489 {
1490         /* if format provided, just copy the buffers */
1491         if (bar_format != NULL) {
1492                 strlcpy(fmtnew, fmtexp, sz);
1493                 return;
1494         }
1495
1496         /* reset the output buffer */
1497         *fmtnew = '\0';
1498
1499         strlcat(fmtnew, "+N:+I ", sz);
1500         if (stack_enabled)
1501                 strlcat(fmtnew, "+S", sz);
1502         strlcat(fmtnew, " ", sz);
1503
1504         /* only show the workspace name if there's actually one */
1505         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1506                 strlcat(fmtnew, "<+D>", sz);
1507         strlcat(fmtnew, "+3<", sz);
1508
1509         if (clock_enabled) {
1510                 strlcat(fmtnew, fmtexp, sz);
1511                 strlcat(fmtnew, "+4<", sz);
1512         }
1513
1514         /* bar_urgent already adds the space before the last asterisk */
1515         if (urgent_enabled)
1516                 strlcat(fmtnew, "* +U*+4<", sz);
1517
1518         if (title_class_enabled) {
1519                 strlcat(fmtnew, "+C", sz);
1520                 if (title_name_enabled == 0)
1521                         strlcat(fmtnew, "+4<", sz);
1522         }
1523
1524         /* checks needed by the colon and floating strlcat(3) calls below */
1525         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1526                 if (title_name_enabled) {
1527                         if (title_class_enabled)
1528                                 strlcat(fmtnew, ":", sz);
1529                         strlcat(fmtnew, "+T+4<", sz);
1530                 }
1531                 if (window_name_enabled) {
1532                         if (r->ws->focus->floating)
1533                                 strlcat(fmtnew, "+F ", sz);
1534                         strlcat(fmtnew, "+64W ", sz);
1535                 }
1536         }
1537
1538         /* finally add the action script output and the version */
1539         strlcat(fmtnew, "+4<+A+4<+V", sz);
1540 }
1541
1542 /* replaces the bar format character sequences (like in tmux(1)) */
1543 char *
1544 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1545     size_t sz)
1546 {
1547         char                    *ptr;
1548         char                    num[8], tmp[SWM_BAR_MAX];
1549         int                     limit;
1550         size_t                  len, numoff = 0;
1551
1552         /* reset strlcat(3) buffer */
1553         *tmp = '\0';
1554
1555         /* get number, if any */
1556         fmt++;
1557         while (*fmt != '\0' && isdigit((unsigned char) *fmt)) {
1558                 if (numoff >= sizeof num - 1)
1559                         break;
1560                 num[numoff++] = *fmt++;
1561         }
1562         num[numoff] = '\0';
1563
1564         if ((limit = strtonum(num, 1, sizeof tmp - 1, NULL)) == 0)
1565                 limit = sizeof tmp - 1;
1566
1567         /* if number is too big, skip to the first non-digit */
1568         if (numoff >= sizeof num - 1) {
1569                 while (*fmt != '\0' && isdigit((unsigned char) *fmt))
1570                         fmt++;
1571         }
1572         /* there is nothing to replace (ie EOL) */
1573         if (*fmt == '\0')
1574                 return (fmt);
1575
1576         switch (*fmt) {
1577         case '<':
1578                 /* special case; no limit given, pad one space, instead */
1579                 if (limit == sizeof tmp - 1)
1580                         limit = 1;
1581                 snprintf(tmp, sizeof tmp, "%*s", limit, " ");
1582                 break;
1583         case 'A':
1584                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1585                 break;
1586         case 'C':
1587                 bar_class_name(tmp, sizeof tmp, r);
1588                 break;
1589         case 'D':
1590                 bar_workspace_name(tmp, sizeof tmp, r);
1591                 break;
1592         case 'F':
1593                 bar_window_float(tmp, sizeof tmp, r);
1594                 break;
1595         case 'I':
1596                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1597                 break;
1598         case 'N':
1599                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1600                 break;
1601         case 'P':
1602                 bar_class_title_name(tmp, sizeof tmp, r);
1603                 break;
1604         case 'S':
1605                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1606                 break;
1607         case 'T':
1608                 bar_title_name(tmp, sizeof tmp, r);
1609                 break;
1610         case 'U':
1611                 bar_urgent(tmp, sizeof tmp);
1612                 break;
1613         case 'V':
1614                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1615                 break;
1616         case 'W':
1617                 bar_window_name(tmp, sizeof tmp, r);
1618                 break;
1619         default:
1620                 /* unknown character sequence; copy as-is */
1621                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1622                 break;
1623         }
1624
1625         len = strlen(tmp);
1626         ptr = tmp;
1627         if (len < limit)
1628                 limit = len;
1629         while (limit-- > 0) {
1630                 if (*offrep >= sz - 1)
1631                         break;
1632                 fmtrep[(*offrep)++] = *ptr++;
1633         }
1634
1635         fmt++;
1636         return (fmt);
1637 }
1638
1639 void
1640 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1641 {
1642         size_t                  off;
1643
1644         off = 0;
1645         while (*fmt != '\0') {
1646                 if (*fmt != '+') {
1647                         /* skip ordinary characters */
1648                         if (off >= sz - 1)
1649                                 break;
1650                         fmtrep[off++] = *fmt++;
1651                         continue;
1652                 }
1653
1654                 /* character sequence found; replace it */
1655                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1656                 if (off >= sz - 1)
1657                         break;
1658         }
1659
1660         fmtrep[off] = '\0';
1661 }
1662
1663 void
1664 bar_fmt_expand(char *fmtexp, size_t sz)
1665 {
1666         char                    *fmt = NULL;
1667         size_t                  len;
1668         struct tm               tm;
1669         time_t                  tmt;
1670
1671         /* start by grabbing the current time and date */
1672         time(&tmt);
1673         localtime_r(&tmt, &tm);
1674
1675         /* figure out what to expand */
1676         if (bar_format != NULL)
1677                 fmt = bar_format;
1678         else if (bar_format == NULL && clock_enabled)
1679                 fmt = clock_format;
1680         /* if nothing to expand bail out */
1681         if (fmt == NULL) {
1682                 *fmtexp = '\0';
1683                 return;
1684         }
1685
1686         /* copy as-is, just in case the format shouldn't be expanded below */
1687         strlcpy(fmtexp, fmt, sz);
1688         /* finally pass the string through strftime(3) */
1689 #ifndef SWM_DENY_CLOCK_FORMAT
1690         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1691                 warnx("format too long");
1692         fmtexp[len] = '\0';
1693 #endif
1694 }
1695
1696 void
1697 bar_fmt_print(void)
1698 {
1699         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1700         char                    fmtrep[SWM_BAR_MAX];
1701         int                     i;
1702         struct swm_region       *r;
1703
1704         /* expand the format by first passing it through strftime(3) */
1705         bar_fmt_expand(fmtexp, sizeof fmtexp);
1706
1707         for (i = 0; i < ScreenCount(display); i++) {
1708                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1709                         if (r->bar == NULL)
1710                                 continue;
1711                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1712                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1713                         bar_print(r, fmtrep);
1714                 }
1715         }
1716 }
1717
1718 void
1719 bar_update(void)
1720 {
1721         size_t                  len;
1722         char                    *b;
1723
1724         if (bar_enabled == 0)
1725                 return;
1726         if (bar_extra && bar_extra_running) {
1727                 /* ignore short reads; it'll correct itself */
1728                 while ((b = fgetln(stdin, &len)) != NULL)
1729                         if (b && b[len - 1] == '\n') {
1730                                 b[len - 1] = '\0';
1731                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1732                         }
1733                 if (b == NULL && errno != EAGAIN) {
1734                         warn("bar_update: bar_extra failed");
1735                         bar_extra_stop();
1736                 }
1737         } else
1738                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1739
1740         bar_fmt_print();
1741         alarm(bar_delay);
1742 }
1743
1744 void
1745 bar_signal(int sig)
1746 {
1747         bar_alarm = 1;
1748 }
1749
1750 void
1751 bar_toggle(struct swm_region *r, union arg *args)
1752 {
1753         struct swm_region       *tmpr;
1754         int                     i, sc = ScreenCount(display);
1755
1756         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1757
1758         if (bar_enabled) {
1759                 for (i = 0; i < sc; i++)
1760                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1761                                 if (tmpr->bar)
1762                                         XUnmapWindow(display, tmpr->bar->id);
1763         } else {
1764                 for (i = 0; i < sc; i++)
1765                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1766                                 if (tmpr->bar)
1767                                         XMapRaised(display, tmpr->bar->id);
1768         }
1769
1770         bar_enabled = !bar_enabled;
1771
1772         stack();
1773         /* must be after stack */
1774         bar_update();
1775 }
1776
1777 void
1778 bar_refresh(void)
1779 {
1780         XSetWindowAttributes    wa;
1781         struct swm_region       *r;
1782         int                     i;
1783
1784         /* do this here because the conf file is in memory */
1785         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1786                 /* launch external status app */
1787                 bar_extra_running = 1;
1788                 if (pipe(bar_pipe) == -1)
1789                         err(1, "pipe error");
1790                 socket_setnonblock(bar_pipe[0]);
1791                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1792                 if (dup2(bar_pipe[0], 0) == -1)
1793                         err(1, "dup2");
1794                 if (dup2(bar_pipe[1], 1) == -1)
1795                         err(1, "dup2");
1796                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1797                         err(1, "could not disable SIGPIPE");
1798                 switch (bar_pid = fork()) {
1799                 case -1:
1800                         err(1, "cannot fork");
1801                         break;
1802                 case 0: /* child */
1803                         close(bar_pipe[0]);
1804                         execvp(bar_argv[0], bar_argv);
1805                         err(1, "%s external app failed", bar_argv[0]);
1806                         break;
1807                 default: /* parent */
1808                         close(bar_pipe[1]);
1809                         break;
1810                 }
1811         }
1812
1813         bzero(&wa, sizeof wa);
1814         for (i = 0; i < ScreenCount(display); i++)
1815                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1816                         if (r->bar == NULL)
1817                                 continue;
1818                         wa.border_pixel =
1819                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1820                         wa.background_pixel =
1821                             screens[i].c[SWM_S_COLOR_BAR].color;
1822                         XChangeWindowAttributes(display, r->bar->id,
1823                             CWBackPixel | CWBorderPixel, &wa);
1824                 }
1825         bar_update();
1826 }
1827
1828 void
1829 bar_setup(struct swm_region *r)
1830 {
1831         char                    *default_string;
1832         char                    **missing_charsets;
1833         int                     num_missing_charsets = 0;
1834         int                     i;
1835
1836         if (bar_fs) {
1837                 XFreeFontSet(display, bar_fs);
1838                 bar_fs = NULL;
1839         }
1840
1841         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1842                 err(1, "bar_setup: calloc: failed to allocate memory.");
1843
1844         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1845
1846         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1847             &num_missing_charsets, &default_string);
1848
1849         if (num_missing_charsets > 0) {
1850                 warnx("Unable to load charset(s):");
1851
1852                 for (i = 0; i < num_missing_charsets; ++i)
1853                         warnx("%s", missing_charsets[i]);
1854
1855                 XFreeStringList(missing_charsets);
1856
1857                 if (strcmp(default_string, ""))
1858                         warnx("Glyphs from those sets will be replaced "
1859                             "by '%s'.", default_string);
1860                 else
1861                         warnx("Glyphs from those sets won't be drawn.");
1862         }
1863
1864         if (bar_fs == NULL)
1865                 errx(1, "Error creating font set structure.");
1866
1867         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1868
1869         bar_height = bar_fs_extents->max_logical_extent.height +
1870             2 * bar_border_width;
1871
1872         if (bar_height < 1)
1873                 bar_height = 1;
1874
1875         X(r->bar) = X(r);
1876         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1877         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1878         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1879
1880         r->bar->id = XCreateSimpleWindow(display,
1881             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1882             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1883             r->s->c[SWM_S_COLOR_BAR].color);
1884
1885         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1886             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1887
1888         XSelectInput(display, r->bar->id, VisibilityChangeMask);
1889
1890         if (bar_enabled)
1891                 XMapRaised(display, r->bar->id);
1892
1893         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1894             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1895             HEIGHT(r->bar));
1896
1897         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1898                 err(1, "could not install bar_signal");
1899         bar_refresh();
1900 }
1901
1902 void
1903 bar_cleanup(struct swm_region *r)
1904 {
1905         if (r->bar == NULL)
1906                 return;
1907         XDestroyWindow(display, r->bar->id);
1908         XFreePixmap(display, r->bar->buffer);
1909         free(r->bar);
1910         r->bar = NULL;
1911 }
1912
1913 void
1914 drain_enter_notify(void)
1915 {
1916         int                     i = 0;
1917         XEvent                  cne;
1918
1919         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1920                 i++;
1921
1922         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1923 }
1924
1925 void
1926 set_win_state(struct ws_win *win, long state)
1927 {
1928         long                    data[] = {state, None};
1929
1930         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1931
1932         if (win == NULL)
1933                 return;
1934
1935         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1936             (unsigned char *)data, 2);
1937 }
1938
1939 long
1940 getstate(Window w)
1941 {
1942         long                    result = -1;
1943         unsigned char           *p = NULL;
1944         unsigned long           n;
1945
1946         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1947                 return (-1);
1948         if (n != 0)
1949                 result = *((long *)p);
1950         XFree(p);
1951         return (result);
1952 }
1953
1954 void
1955 version(struct swm_region *r, union arg *args)
1956 {
1957         bar_version = !bar_version;
1958         if (bar_version)
1959                 snprintf(bar_vertext, sizeof bar_vertext,
1960                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1961         else
1962                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1963         bar_update();
1964 }
1965
1966 void
1967 client_msg(struct ws_win *win, Atom a)
1968 {
1969         XClientMessageEvent     cm;
1970
1971         if (win == NULL)
1972                 return;
1973
1974         bzero(&cm, sizeof cm);
1975         cm.type = ClientMessage;
1976         cm.window = win->id;
1977         cm.message_type = aprot;
1978         cm.format = 32;
1979         cm.data.l[0] = a;
1980         cm.data.l[1] = CurrentTime;
1981         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1982 }
1983
1984 /* synthetic response to a ConfigureRequest when not making a change */
1985 void
1986 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1987 {
1988         XConfigureEvent         ce;
1989
1990         if (win == NULL)
1991                 return;
1992
1993         /* send notification of unchanged state. */
1994         ce.type = ConfigureNotify;
1995         ce.x = X(win);
1996         ce.y = Y(win);
1997         ce.width = WIDTH(win);
1998         ce.height = HEIGHT(win);
1999         ce.override_redirect = False;
2000
2001         if (ev == NULL) {
2002                 /* EWMH */
2003                 ce.display = display;
2004                 ce.event = win->id;
2005                 ce.window = win->id;
2006                 ce.border_width = BORDER(win);
2007                 ce.above = None;
2008         } else {
2009                 /* normal */
2010                 ce.display = ev->display;
2011                 ce.event = ev->window;
2012                 ce.window = ev->window;
2013
2014                 /* make response appear more WM_SIZE_HINTS-compliant */
2015                 if (win->sh_mask)
2016                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
2017                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2018                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2019                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2020                             SH_INC_W(win), SH_INC_H(win));
2021
2022                 /* min size */
2023                 if (SH_MIN(win)) {
2024                         /* the hint may be set... to 0! */
2025                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2026                                 ce.width = SH_MIN_W(win);
2027                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2028                                 ce.height = SH_MIN_H(win);
2029                 }
2030
2031                 /* max size */
2032                 if (SH_MAX(win)) {
2033                         /* may also be advertized as 0 */
2034                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2035                                 ce.width = SH_MAX_W(win);
2036                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2037                                 ce.height = SH_MAX_H(win);
2038                 }
2039
2040                 /* resize increment. */
2041                 if (SH_INC(win)) {
2042                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2043                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2044                                     SH_INC_W(win);
2045                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2046                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2047                                     SH_INC_H(win);
2048                 }
2049
2050                 /* adjust x and y for requested border_width. */
2051                 ce.x += BORDER(win) - ev->border_width;
2052                 ce.y += BORDER(win) - ev->border_width;
2053                 ce.border_width = ev->border_width;
2054                 ce.above = ev->above;
2055         }
2056
2057         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
2058             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2059             ce.y, ce.width, ce.height, ce.border_width);
2060
2061         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
2062 }
2063
2064 int
2065 count_win(struct workspace *ws, int count_transient)
2066 {
2067         struct ws_win           *win;
2068         int                     count = 0;
2069
2070         TAILQ_FOREACH(win, &ws->winlist, entry) {
2071                 if (count_transient == 0 && win->floating)
2072                         continue;
2073                 if (count_transient == 0 && win->transient)
2074                         continue;
2075                 if (win->iconic)
2076                         continue;
2077                 count++;
2078         }
2079         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2080
2081         return (count);
2082 }
2083
2084 void
2085 quit(struct swm_region *r, union arg *args)
2086 {
2087         DNPRINTF(SWM_D_MISC, "quit\n");
2088         running = 0;
2089 }
2090
2091 void
2092 unmap_window(struct ws_win *win)
2093 {
2094         if (win == NULL)
2095                 return;
2096
2097         /* don't unmap again */
2098         if (getstate(win->id) == IconicState)
2099                 return;
2100
2101         set_win_state(win, IconicState);
2102
2103         XUnmapWindow(display, win->id);
2104         XSetWindowBorder(display, win->id,
2105             win->s->c[SWM_S_COLOR_UNFOCUS].color);
2106 }
2107
2108 void
2109 unmap_all(void)
2110 {
2111         struct ws_win           *win;
2112         int                     i, j;
2113
2114         for (i = 0; i < ScreenCount(display); i++)
2115                 for (j = 0; j < workspace_limit; j++)
2116                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2117                                 unmap_window(win);
2118 }
2119
2120 void
2121 fake_keypress(struct ws_win *win, int keysym, int modifiers)
2122 {
2123         XKeyEvent event;
2124
2125         if (win == NULL)
2126                 return;
2127
2128         event.display = display;        /* Ignored, but what the hell */
2129         event.window = win->id;
2130         event.root = win->s->root;
2131         event.subwindow = None;
2132         event.time = CurrentTime;
2133         event.x = X(win);
2134         event.y = Y(win);
2135         event.x_root = 1;
2136         event.y_root = 1;
2137         event.same_screen = True;
2138         event.keycode = XKeysymToKeycode(display, keysym);
2139         event.state = modifiers;
2140
2141         event.type = KeyPress;
2142         XSendEvent(event.display, event.window, True,
2143             KeyPressMask, (XEvent *)&event);
2144
2145         event.type = KeyRelease;
2146         XSendEvent(event.display, event.window, True,
2147             KeyPressMask, (XEvent *)&event);
2148
2149 }
2150
2151 void
2152 restart(struct swm_region *r, union arg *args)
2153 {
2154         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2155
2156         /* disable alarm because the following code may not be interrupted */
2157         alarm(0);
2158         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2159                 err(1, "can't disable alarm");
2160
2161         bar_extra_stop();
2162         bar_extra = 1;
2163         unmap_all();
2164         XCloseDisplay(display);
2165         execvp(start_argv[0], start_argv);
2166         warn("execvp failed");
2167         quit(NULL, NULL);
2168 }
2169
2170 struct swm_region *
2171 root_to_region(Window root)
2172 {
2173         struct swm_region       *r = NULL;
2174         Window                  rr, cr;
2175         int                     i, x, y, wx, wy;
2176         unsigned int            mask;
2177
2178         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%lx\n", root);
2179
2180         for (i = 0; i < ScreenCount(display); i++)
2181                 if (screens[i].root == root)
2182                         break;
2183
2184         if (XQueryPointer(display, screens[i].root,
2185             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
2186                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2187                     x, y);
2188                 /* choose a region based on pointer location */
2189                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2190                         if (X(r) <= x && x < MAX_X(r) &&
2191                             Y(r) <= y && y < MAX_Y(r))
2192                                 break;
2193         }
2194
2195         if (r == NULL)
2196                 r = TAILQ_FIRST(&screens[i].rl);
2197
2198         return (r);
2199 }
2200
2201 struct ws_win *
2202 find_unmanaged_window(Window id)
2203 {
2204         struct ws_win           *win;
2205         int                     i, j;
2206
2207         for (i = 0; i < ScreenCount(display); i++)
2208                 for (j = 0; j < workspace_limit; j++)
2209                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2210                             entry)
2211                                 if (id == win->id)
2212                                         return (win);
2213         return (NULL);
2214 }
2215
2216 struct ws_win *
2217 find_window(Window id)
2218 {
2219         struct ws_win           *win;
2220         Window                  wrr, wpr, *wcr = NULL;
2221         int                     i, j;
2222         unsigned int            nc;
2223
2224         for (i = 0; i < ScreenCount(display); i++)
2225                 for (j = 0; j < workspace_limit; j++)
2226                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2227                                 if (id == win->id)
2228                                         return (win);
2229
2230         /* if we were looking for the parent return that window instead */
2231         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
2232                 return (NULL);
2233         if (wcr)
2234                 XFree(wcr);
2235
2236         /* ignore not found and root */
2237         if (wpr == 0 || wrr == wpr)
2238                 return (NULL);
2239
2240         /* look for parent */
2241         for (i = 0; i < ScreenCount(display); i++)
2242                 for (j = 0; j < workspace_limit; j++)
2243                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2244                                 if (wpr == win->id)
2245                                         return (win);
2246
2247         return (NULL);
2248 }
2249
2250 void
2251 spawn(int ws_idx, union arg *args, int close_fd)
2252 {
2253         int                     fd;
2254         char                    *ret = NULL;
2255
2256         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2257
2258         if (display)
2259                 close(ConnectionNumber(display));
2260
2261         setenv("LD_PRELOAD", SWM_LIB, 1);
2262
2263         if (asprintf(&ret, "%d", ws_idx) == -1) {
2264                 warn("spawn: asprintf SWM_WS");
2265                 _exit(1);
2266         }
2267         setenv("_SWM_WS", ret, 1);
2268         free(ret);
2269         ret = NULL;
2270
2271         if (asprintf(&ret, "%d", getpid()) == -1) {
2272                 warn("spawn: asprintf _SWM_PID");
2273                 _exit(1);
2274         }
2275         setenv("_SWM_PID", ret, 1);
2276         free(ret);
2277         ret = NULL;
2278
2279         if (setsid() == -1) {
2280                 warn("spawn: setsid");
2281                 _exit(1);
2282         }
2283
2284         if (close_fd) {
2285                 /*
2286                  * close stdin and stdout to prevent interaction between apps
2287                  * and the baraction script
2288                  * leave stderr open to record errors
2289                 */
2290                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2291                         warn("spawn: open");
2292                         _exit(1);
2293                 }
2294                 dup2(fd, STDIN_FILENO);
2295                 dup2(fd, STDOUT_FILENO);
2296                 if (fd > 2)
2297                         close(fd);
2298         }
2299
2300         execvp(args->argv[0], args->argv);
2301
2302         warn("spawn: execvp");
2303         _exit(1);
2304 }
2305
2306 void
2307 kill_refs(struct ws_win *win)
2308 {
2309         int                     i, x;
2310         struct swm_region       *r;
2311         struct workspace        *ws;
2312
2313         if (win == NULL)
2314                 return;
2315
2316         for (i = 0; i < ScreenCount(display); i++)
2317                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2318                         for (x = 0; x < workspace_limit; x++) {
2319                                 ws = &r->s->ws[x];
2320                                 if (win == ws->focus)
2321                                         ws->focus = NULL;
2322                                 if (win == ws->focus_prev)
2323                                         ws->focus_prev = NULL;
2324                         }
2325 }
2326
2327 int
2328 validate_win(struct ws_win *testwin)
2329 {
2330         struct ws_win           *win;
2331         struct workspace        *ws;
2332         struct swm_region       *r;
2333         int                     i, x;
2334
2335         if (testwin == NULL)
2336                 return (0);
2337
2338         for (i = 0; i < ScreenCount(display); i++)
2339                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2340                         for (x = 0; x < workspace_limit; x++) {
2341                                 ws = &r->s->ws[x];
2342                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2343                                         if (win == testwin)
2344                                                 return (0);
2345                         }
2346         return (1);
2347 }
2348
2349 int
2350 validate_ws(struct workspace *testws)
2351 {
2352         struct swm_region       *r;
2353         struct workspace        *ws;
2354         int                     i, x;
2355
2356         /* validate all ws */
2357         for (i = 0; i < ScreenCount(display); i++)
2358                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2359                         for (x = 0; x < workspace_limit; x++) {
2360                                 ws = &r->s->ws[x];
2361                                 if (ws == testws)
2362                                         return (0);
2363                         }
2364         return (1);
2365 }
2366
2367 void
2368 unfocus_win(struct ws_win *win)
2369 {
2370         XEvent                  cne;
2371         Window                  none = None;
2372
2373         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2374
2375         if (win == NULL)
2376                 return;
2377         if (win->ws == NULL)
2378                 return;
2379
2380         if (validate_ws(win->ws))
2381                 return; /* XXX this gets hit with thunderbird, needs fixing */
2382
2383         if (win->ws->r == NULL)
2384                 return;
2385
2386         if (validate_win(win)) {
2387                 kill_refs(win);
2388                 return;
2389         }
2390
2391         if (win->ws->focus == win) {
2392                 win->ws->focus = NULL;
2393                 win->ws->focus_prev = win;
2394         }
2395
2396         if (validate_win(win->ws->focus)) {
2397                 kill_refs(win->ws->focus);
2398                 win->ws->focus = NULL;
2399         }
2400         if (validate_win(win->ws->focus_prev)) {
2401                 kill_refs(win->ws->focus_prev);
2402                 win->ws->focus_prev = NULL;
2403         }
2404
2405         /* drain all previous unfocus events */
2406         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2407                 ;
2408
2409         grabbuttons(win, 0);
2410         XSetWindowBorder(display, win->id,
2411             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2412
2413         XChangeProperty(display, win->s->root,
2414             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2415             PropModeReplace, (unsigned char *)&none, 1);
2416 }
2417
2418 void
2419 unfocus_all(void)
2420 {
2421         struct ws_win           *win;
2422         int                     i, j;
2423
2424         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2425
2426         for (i = 0; i < ScreenCount(display); i++)
2427                 for (j = 0; j < workspace_limit; j++)
2428                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2429                                 unfocus_win(win);
2430 }
2431
2432 void
2433 focus_win(struct ws_win *win)
2434 {
2435         XEvent                  cne;
2436         Window                  cur_focus;
2437         int                     rr;
2438         struct ws_win           *cfw = NULL;
2439
2440
2441         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2442
2443         if (win == NULL)
2444                 return;
2445         if (win->ws == NULL)
2446                 return;
2447
2448         if (validate_ws(win->ws))
2449                 return; /* XXX this gets hit with thunderbird, needs fixing */
2450
2451         if (validate_win(win)) {
2452                 kill_refs(win);
2453                 return;
2454         }
2455
2456         if (validate_win(win)) {
2457                 kill_refs(win);
2458                 return;
2459         }
2460
2461         XGetInputFocus(display, &cur_focus, &rr);
2462         if ((cfw = find_window(cur_focus)) != NULL)
2463                 unfocus_win(cfw);
2464         else {
2465                 /* use larger hammer since the window was killed somehow */
2466                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2467                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2468                                 XSetWindowBorder(display, cfw->id,
2469                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2470         }
2471
2472         win->ws->focus = win;
2473
2474         if (win->ws->r != NULL) {
2475                 /* drain all previous focus events */
2476                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2477                         ;
2478
2479                 if (win->java == 0)
2480                         XSetInputFocus(display, win->id,
2481                             RevertToParent, CurrentTime);
2482                 grabbuttons(win, 1);
2483                 XSetWindowBorder(display, win->id,
2484                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2485                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2486                     win->ws->always_raise)
2487                         XMapRaised(display, win->id);
2488
2489                 XChangeProperty(display, win->s->root,
2490                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2491                     PropModeReplace, (unsigned char *)&win->id, 1);
2492         }
2493
2494         bar_update();
2495 }
2496
2497 void
2498 switchws(struct swm_region *r, union arg *args)
2499 {
2500         int                     wsid = args->id, unmap_old = 0;
2501         struct swm_region       *this_r, *other_r;
2502         struct ws_win           *win;
2503         struct workspace        *new_ws, *old_ws;
2504         union arg               a;
2505
2506         if (!(r && r->s))
2507                 return;
2508
2509         if (wsid >= workspace_limit)
2510                 return;
2511
2512         this_r = r;
2513         old_ws = this_r->ws;
2514         new_ws = &this_r->s->ws[wsid];
2515
2516         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2517             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2518
2519         if (new_ws == NULL || old_ws == NULL)
2520                 return;
2521         if (new_ws == old_ws)
2522                 return;
2523
2524         other_r = new_ws->r;
2525         if (other_r == NULL) {
2526                 /* the other workspace is hidden, hide this one */
2527                 old_ws->r = NULL;
2528                 unmap_old = 1;
2529         } else {
2530                 /* the other ws is visible in another region, exchange them */
2531                 other_r->ws_prior = new_ws;
2532                 other_r->ws = old_ws;
2533                 old_ws->r = other_r;
2534         }
2535         this_r->ws_prior = old_ws;
2536         this_r->ws = new_ws;
2537         new_ws->r = this_r;
2538
2539         /* this is needed so that we can click on a window after a restart */
2540         unfocus_all();
2541
2542         stack();
2543         a.id = SWM_ARG_ID_FOCUSCUR;
2544         focus(new_ws->r, &a);
2545
2546         /* unmap old windows */
2547         if (unmap_old)
2548                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2549                         unmap_window(win);
2550
2551         if (focus_mode == SWM_FOCUS_DEFAULT)
2552                 drain_enter_notify();
2553 }
2554
2555 void
2556 cyclews(struct swm_region *r, union arg *args)
2557 {
2558         union                   arg a;
2559         struct swm_screen       *s = r->s;
2560         int                     cycle_all = 0;
2561
2562         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2563             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2564
2565         a.id = r->ws->idx;
2566         do {
2567                 switch (args->id) {
2568                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2569                         cycle_all = 1;
2570                         /* FALLTHROUGH */
2571                 case SWM_ARG_ID_CYCLEWS_UP:
2572                         if (a.id < workspace_limit - 1)
2573                                 a.id++;
2574                         else
2575                                 a.id = 0;
2576                         break;
2577                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2578                         cycle_all = 1;
2579                         /* FALLTHROUGH */
2580                 case SWM_ARG_ID_CYCLEWS_DOWN:
2581                         if (a.id > 0)
2582                                 a.id--;
2583                         else
2584                                 a.id = workspace_limit - 1;
2585                         break;
2586                 default:
2587                         return;
2588                 };
2589
2590                 if (!cycle_all &&
2591                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2592                         continue;
2593                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2594                         continue;
2595
2596                 switchws(r, &a);
2597         } while (a.id != r->ws->idx);
2598 }
2599
2600 void
2601 priorws(struct swm_region *r, union arg *args)
2602 {
2603         union arg               a;
2604
2605         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2606             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2607
2608         if (r->ws_prior == NULL)
2609                 return;
2610
2611         a.id = r->ws_prior->idx;
2612         switchws(r, &a);
2613 }
2614
2615 void
2616 cyclescr(struct swm_region *r, union arg *args)
2617 {
2618         struct swm_region       *rr = NULL;
2619         union arg               a;
2620         int                     i, x, y;
2621
2622         /* do nothing if we don't have more than one screen */
2623         if (!(ScreenCount(display) > 1 || outputs > 1))
2624                 return;
2625
2626         i = r->s->idx;
2627         switch (args->id) {
2628         case SWM_ARG_ID_CYCLESC_UP:
2629                 rr = TAILQ_NEXT(r, entry);
2630                 if (rr == NULL)
2631                         rr = TAILQ_FIRST(&screens[i].rl);
2632                 break;
2633         case SWM_ARG_ID_CYCLESC_DOWN:
2634                 rr = TAILQ_PREV(r, swm_region_list, entry);
2635                 if (rr == NULL)
2636                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2637                 break;
2638         default:
2639                 return;
2640         };
2641         if (rr == NULL)
2642                 return;
2643
2644         /* move mouse to region */
2645         x = X(rr) + 1;
2646         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2647         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2648
2649         a.id = SWM_ARG_ID_FOCUSCUR;
2650         focus(rr, &a);
2651
2652         if (rr->ws->focus) {
2653                 /* move to focus window */
2654                 x = X(rr->ws->focus) + 1;
2655                 y = Y(rr->ws->focus) + 1;
2656                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2657         }
2658 }
2659
2660 void
2661 sort_windows(struct ws_win_list *wl)
2662 {
2663         struct ws_win           *win, *parent, *nxt;
2664
2665         if (wl == NULL)
2666                 return;
2667
2668         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2669                 nxt = TAILQ_NEXT(win, entry);
2670                 if (win->transient) {
2671                         parent = find_window(win->transient);
2672                         if (parent == NULL) {
2673                                 warnx("not possible bug");
2674                                 continue;
2675                         }
2676                         TAILQ_REMOVE(wl, win, entry);
2677                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2678                 }
2679         }
2680
2681 }
2682
2683 void
2684 swapwin(struct swm_region *r, union arg *args)
2685 {
2686         struct ws_win           *target, *source;
2687         struct ws_win           *cur_focus;
2688         struct ws_win_list      *wl;
2689
2690
2691         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2692             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2693
2694         cur_focus = r->ws->focus;
2695         if (cur_focus == NULL)
2696                 return;
2697
2698         source = cur_focus;
2699         wl = &source->ws->winlist;
2700
2701         switch (args->id) {
2702         case SWM_ARG_ID_SWAPPREV:
2703                 if (source->transient)
2704                         source = find_window(source->transient);
2705                 target = TAILQ_PREV(source, ws_win_list, entry);
2706                 if (target && target->transient)
2707                         target = find_window(target->transient);
2708                 TAILQ_REMOVE(wl, source, entry);
2709                 if (target == NULL)
2710                         TAILQ_INSERT_TAIL(wl, source, entry);
2711                 else
2712                         TAILQ_INSERT_BEFORE(target, source, entry);
2713                 break;
2714         case SWM_ARG_ID_SWAPNEXT:
2715                 target = TAILQ_NEXT(source, entry);
2716                 /* move the parent and let the sort handle the move */
2717                 if (source->transient)
2718                         source = find_window(source->transient);
2719                 TAILQ_REMOVE(wl, source, entry);
2720                 if (target == NULL)
2721                         TAILQ_INSERT_HEAD(wl, source, entry);
2722                 else
2723                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2724                 break;
2725         case SWM_ARG_ID_SWAPMAIN:
2726                 target = TAILQ_FIRST(wl);
2727                 if (target == source) {
2728                         if (source->ws->focus_prev != NULL &&
2729                             source->ws->focus_prev != target)
2730                                 source = source->ws->focus_prev;
2731                         else
2732                                 return;
2733                 }
2734                 if (target == NULL || source == NULL)
2735                         return;
2736                 source->ws->focus_prev = target;
2737                 TAILQ_REMOVE(wl, target, entry);
2738                 TAILQ_INSERT_BEFORE(source, target, entry);
2739                 TAILQ_REMOVE(wl, source, entry);
2740                 TAILQ_INSERT_HEAD(wl, source, entry);
2741                 break;
2742         case SWM_ARG_ID_MOVELAST:
2743                 TAILQ_REMOVE(wl, source, entry);
2744                 TAILQ_INSERT_TAIL(wl, source, entry);
2745                 break;
2746         default:
2747                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2748                 return;
2749         }
2750
2751         sort_windows(wl);
2752
2753         stack();
2754 }
2755
2756 void
2757 focus_prev(struct ws_win *win)
2758 {
2759         struct ws_win           *winfocus = NULL;
2760         struct ws_win           *cur_focus = NULL;
2761         struct ws_win_list      *wl = NULL;
2762         struct workspace        *ws = NULL;
2763
2764         if (!(win && win->ws))
2765                 return;
2766
2767         ws = win->ws;
2768         wl = &ws->winlist;
2769         cur_focus = ws->focus;
2770
2771         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2772             WINID(win), WINID(cur_focus));
2773
2774         /* pickle, just focus on whatever */
2775         if (cur_focus == NULL) {
2776                 /* use prev_focus if valid */
2777                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2778                     find_window(WINID(ws->focus_prev)))
2779                         winfocus = ws->focus_prev;
2780                 goto done;
2781         }
2782
2783         /* if transient focus on parent */
2784         if (cur_focus->transient) {
2785                 winfocus = find_window(cur_focus->transient);
2786                 goto done;
2787         }
2788
2789         /* if in max_stack try harder */
2790         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2791             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2792                 if (cur_focus != ws->focus_prev)
2793                         winfocus = ws->focus_prev;
2794                 else
2795                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2796                 if (winfocus)
2797                         goto done;
2798         }
2799
2800         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2801
2802         if (winfocus == NULL || winfocus == win) {
2803                 switch (focus_close) {
2804                 case SWM_STACK_BOTTOM:
2805                         winfocus = TAILQ_FIRST(wl);
2806                         break;
2807                 case SWM_STACK_TOP:
2808                         winfocus = TAILQ_LAST(wl, ws_win_list);
2809                         break;
2810                 case SWM_STACK_ABOVE:
2811                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2812                                 if (focus_close_wrap)
2813                                         winfocus = TAILQ_FIRST(wl);
2814                                 else
2815                                         winfocus = TAILQ_PREV(cur_focus,
2816                                             ws_win_list, entry);
2817                         }
2818                         break;
2819                 case SWM_STACK_BELOW:
2820                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2821                             entry)) == NULL) {
2822                                 if (focus_close_wrap)
2823                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2824                                 else
2825                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2826                         }
2827                         break;
2828                 }
2829         }
2830 done:
2831         if (winfocus == NULL) {
2832                 if (focus_default == SWM_STACK_TOP)
2833                         winfocus = TAILQ_LAST(wl, ws_win_list);
2834                 else
2835                         winfocus = TAILQ_FIRST(wl);
2836         }
2837
2838         kill_refs(win);
2839         focus_magic(winfocus);
2840 }
2841
2842 void
2843 focus(struct swm_region *r, union arg *args)
2844 {
2845         struct ws_win           *winfocus = NULL, *head;
2846         struct ws_win           *cur_focus = NULL;
2847         struct ws_win_list      *wl = NULL;
2848         struct workspace        *ws = NULL;
2849         int                     all_iconics;
2850
2851         if (!(r && r->ws))
2852                 return;
2853
2854         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2855
2856         /* treat FOCUS_CUR special */
2857         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2858                 if (r->ws->focus && r->ws->focus->iconic == 0)
2859                         winfocus = r->ws->focus;
2860                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2861                         winfocus = r->ws->focus_prev;
2862                 else
2863                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2864                                 if (winfocus->iconic == 0)
2865                                         break;
2866
2867                 focus_magic(winfocus);
2868                 return;
2869         }
2870
2871         if ((cur_focus = r->ws->focus) == NULL)
2872                 return;
2873         ws = r->ws;
2874         wl = &ws->winlist;
2875         if (TAILQ_EMPTY(wl))
2876                 return;
2877         /* make sure there is at least one uniconified window */
2878         all_iconics = 1;
2879         TAILQ_FOREACH(winfocus, wl, entry)
2880                 if (winfocus->iconic == 0) {
2881                         all_iconics = 0;
2882                         break;
2883                 }
2884         if (all_iconics)
2885                 return;
2886
2887         switch (args->id) {
2888         case SWM_ARG_ID_FOCUSPREV:
2889                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2890                 if (head == NULL)
2891                         head = TAILQ_LAST(wl, ws_win_list);
2892                 winfocus = head;
2893                 if (WINID(winfocus) == cur_focus->transient) {
2894                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2895                         if (head == NULL)
2896                                 head = TAILQ_LAST(wl, ws_win_list);
2897                         winfocus = head;
2898                 }
2899
2900                 /* skip iconics */
2901                 if (winfocus && winfocus->iconic) {
2902                         while (winfocus != cur_focus) {
2903                                 if (winfocus == NULL)
2904                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2905                                 if (winfocus->iconic == 0)
2906                                         break;
2907                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2908                                     entry);
2909                         }
2910                 }
2911                 break;
2912
2913         case SWM_ARG_ID_FOCUSNEXT:
2914                 head = TAILQ_NEXT(cur_focus, entry);
2915                 if (head == NULL)
2916                         head = TAILQ_FIRST(wl);
2917                 winfocus = head;
2918
2919                 /* skip iconics */
2920                 if (winfocus && winfocus->iconic) {
2921                         while (winfocus != cur_focus) {
2922                                 if (winfocus == NULL)
2923                                         winfocus = TAILQ_FIRST(wl);
2924                                 if (winfocus->iconic == 0)
2925                                         break;
2926                                 winfocus = TAILQ_NEXT(winfocus, entry);
2927                         }
2928                 }
2929                 break;
2930
2931         case SWM_ARG_ID_FOCUSMAIN:
2932                 winfocus = TAILQ_FIRST(wl);
2933                 if (winfocus == cur_focus)
2934                         winfocus = cur_focus->ws->focus_prev;
2935                 break;
2936
2937         default:
2938                 return;
2939         }
2940
2941         focus_magic(winfocus);
2942 }
2943
2944 void
2945 cycle_layout(struct swm_region *r, union arg *args)
2946 {
2947         struct workspace        *ws = r->ws;
2948         union arg               a;
2949
2950         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2951
2952         ws->cur_layout++;
2953         if (ws->cur_layout->l_stack == NULL)
2954                 ws->cur_layout = &layouts[0];
2955
2956         stack();
2957         if (focus_mode == SWM_FOCUS_DEFAULT)
2958                 drain_enter_notify();
2959         a.id = SWM_ARG_ID_FOCUSCUR;
2960         focus(r, &a);
2961 }
2962
2963 void
2964 stack_config(struct swm_region *r, union arg *args)
2965 {
2966         struct workspace        *ws = r->ws;
2967
2968         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2969             args->id, ws->idx);
2970
2971         if (ws->cur_layout->l_config != NULL)
2972                 ws->cur_layout->l_config(ws, args->id);
2973
2974         if (args->id != SWM_ARG_ID_STACKINIT)
2975                 stack();
2976         bar_update();
2977 }
2978
2979 void
2980 stack(void) {
2981         struct swm_geometry     g;
2982         struct swm_region       *r;
2983         int                     i;
2984 #ifdef SWM_DEBUG
2985         int j;
2986 #endif
2987
2988         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2989
2990         for (i = 0; i < ScreenCount(display); i++) {
2991 #ifdef SWM_DEBUG
2992                 j = 0;
2993 #endif
2994                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2995                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2996                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2997
2998                         /* start with screen geometry, adjust for bar */
2999                         g = r->g;
3000                         g.w -= 2 * border_width;
3001                         g.h -= 2 * border_width;
3002                         if (bar_enabled) {
3003                                 if (!bar_at_bottom)
3004                                         g.y += bar_height;
3005                                 g.h -= bar_height;
3006                         }
3007                         r->ws->cur_layout->l_stack(r->ws, &g);
3008                         r->ws->cur_layout->l_string(r->ws);
3009                         /* save r so we can track region changes */
3010                         r->ws->old_r = r;
3011                 }
3012         }
3013         if (font_adjusted)
3014                 font_adjusted--;
3015
3016         if (focus_mode == SWM_FOCUS_DEFAULT)
3017                 drain_enter_notify();
3018
3019         DNPRINTF(SWM_D_STACK, "stack: end\n");
3020 }
3021
3022 void
3023 store_float_geom(struct ws_win *win, struct swm_region *r)
3024 {
3025         /* retain window geom and region geom */
3026         win->g_float = win->g;
3027         win->g_float.x -= X(r);
3028         win->g_float.y -= Y(r);
3029         win->g_floatvalid = 1;
3030         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3031             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3032             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3033             win->g_float.w, win->g_float.h);
3034 }
3035
3036 void
3037 stack_floater(struct ws_win *win, struct swm_region *r)
3038 {
3039         if (win == NULL)
3040                 return;
3041
3042         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3043
3044         /*
3045          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3046          * geom on ws switches or return from max mode
3047          */
3048         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3049             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3050                 /* refloat at last floating relative position */
3051                 win->g = win->g_float;
3052                 X(win) += X(r);
3053                 Y(win) += Y(r);
3054         }
3055
3056         win->floatmaxed = 0;
3057
3058         /*
3059          * if set to fullscreen mode, configure window to maximum size.
3060          */
3061         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3062                 if (!win->g_floatvalid)
3063                         store_float_geom(win, win->ws->r);
3064
3065                 win->g = win->ws->r->g;
3066         }
3067
3068         /*
3069          * remove border on fullscreen floater when in fullscreen mode or when
3070          * the quirk is present.
3071          */
3072         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3073             ((win->quirks & SWM_Q_FULLSCREEN) &&
3074              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3075                 if (win->bordered) {
3076                         win->bordered = 0;
3077                         X(win) += border_width;
3078                         Y(win) += border_width;
3079                 }
3080         } else if (!win->bordered) {
3081                 win->bordered = 1;
3082                 X(win) -= border_width;
3083                 Y(win) -= border_width;
3084         }
3085
3086         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3087                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3088                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3089         }
3090
3091         if (!win->manual) {
3092                 /*
3093                  * floaters and transients are auto-centred unless moved
3094                  * or resized
3095                  */
3096                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3097                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3098         }
3099
3100         /* keep window within region bounds */
3101         constrain_window(win, r, 0);
3102
3103         update_window(win);
3104 }
3105
3106 /*
3107  * Send keystrokes to terminal to decrease/increase the font size as the
3108  * window size changes.
3109  */
3110 void
3111 adjust_font(struct ws_win *win)
3112 {
3113         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3114             win->floating || win->transient)
3115                 return;
3116
3117         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3118             WIDTH(win) / win->sh.width_inc < term_width &&
3119             win->font_steps < SWM_MAX_FONT_STEPS) {
3120                 win->font_size_boundary[win->font_steps] =
3121                     (win->sh.width_inc * term_width) + win->sh.base_width;
3122                 win->font_steps++;
3123                 font_adjusted++;
3124                 win->last_inc = win->sh.width_inc;
3125                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3126         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3127             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3128                 win->font_steps--;
3129                 font_adjusted++;
3130                 win->last_inc = win->sh.width_inc;
3131                 fake_keypress(win, XK_KP_Add, ShiftMask);
3132         }
3133 }
3134
3135 #define SWAPXY(g)       do {                            \
3136         int tmp;                                        \
3137         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3138         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3139 } while (0)
3140 void
3141 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3142 {
3143         XWindowAttributes       wa;
3144         struct swm_geometry     win_g, r_g = *g;
3145         struct ws_win           *win, *fs_win = NULL;
3146         int                     i, j, s, stacks;
3147         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3148         int                     hrh, extra = 0, h_slice, last_h = 0;
3149         int                     split, colno, winno, mwin, msize, mscale;
3150         int                     remain, missing, v_slice, reconfigure;
3151         int                     bordered = 1;
3152
3153         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3154             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3155
3156         winno = count_win(ws, 0);
3157         if (winno == 0 && count_win(ws, 1) == 0)
3158                 return;
3159
3160         TAILQ_FOREACH(win, &ws->winlist, entry)
3161                 if (win->transient == 0 && win->floating == 0
3162                     && win->iconic == 0)
3163                         break;
3164
3165         if (win == NULL)
3166                 goto notiles;
3167
3168         if (rot) {
3169                 w_inc = win->sh.width_inc;
3170                 w_base = win->sh.base_width;
3171                 mwin = ws->l_state.horizontal_mwin;
3172                 mscale = ws->l_state.horizontal_msize;
3173                 stacks = ws->l_state.horizontal_stacks;
3174                 SWAPXY(&r_g);
3175         } else {
3176                 w_inc = win->sh.height_inc;
3177                 w_base = win->sh.base_height;
3178                 mwin = ws->l_state.vertical_mwin;
3179                 mscale = ws->l_state.vertical_msize;
3180                 stacks = ws->l_state.vertical_stacks;
3181         }
3182         win_g = r_g;
3183
3184         if (stacks > winno - mwin)
3185                 stacks = winno - mwin;
3186         if (stacks < 1)
3187                 stacks = 1;
3188
3189         h_slice = r_g.h / SWM_H_SLICE;
3190         if (mwin && winno > mwin) {
3191                 v_slice = r_g.w / SWM_V_SLICE;
3192
3193                 split = mwin;
3194                 colno = split;
3195                 win_g.w = v_slice * mscale;
3196
3197                 if (w_inc > 1 && w_inc < v_slice) {
3198                         /* adjust for window's requested size increment */
3199                         remain = (win_g.w - w_base) % w_inc;
3200                         win_g.w -= remain;
3201                 }
3202
3203                 msize = win_g.w;
3204                 if (flip)
3205                         win_g.x += r_g.w - msize;
3206         } else {
3207                 msize = -2;
3208                 colno = split = winno / stacks;
3209                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3210                     2 * border_width) / stacks);
3211         }
3212         hrh = r_g.h / colno;
3213         extra = r_g.h - (colno * hrh);
3214         win_g.h = hrh - 2 * border_width;
3215
3216         /*  stack all the tiled windows */
3217         i = j = 0, s = stacks;
3218         TAILQ_FOREACH(win, &ws->winlist, entry) {
3219                 if (win->transient != 0 || win->floating != 0)
3220                         continue;
3221                 if (win->iconic != 0)
3222                         continue;
3223
3224                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3225                         fs_win = win;
3226                         continue;
3227                 }
3228
3229                 if (split && i == split) {
3230                         colno = (winno - mwin) / stacks;
3231                         if (s <= (winno - mwin) % stacks)
3232                                 colno++;
3233                         split = split + colno;
3234                         hrh = (r_g.h / colno);
3235                         extra = r_g.h - (colno * hrh);
3236                         if (flip)
3237                                 win_g.x = r_g.x;
3238                         else
3239                                 win_g.x += win_g.w + 2 * border_width;
3240                         win_g.w = (r_g.w - msize -
3241                             (stacks * 2 * border_width)) / stacks;
3242                         if (s == 1)
3243                                 win_g.w += (r_g.w - msize -
3244                                     (stacks * 2 * border_width)) % stacks;
3245                         s--;
3246                         j = 0;
3247                 }
3248                 win_g.h = hrh - 2 * border_width;
3249                 if (rot) {
3250                         h_inc = win->sh.width_inc;
3251                         h_base = win->sh.base_width;
3252                 } else {
3253                         h_inc = win->sh.height_inc;
3254                         h_base = win->sh.base_height;
3255                 }
3256                 if (j == colno - 1) {
3257                         win_g.h = hrh + extra;
3258                 } else if (h_inc > 1 && h_inc < h_slice) {
3259                         /* adjust for window's requested size increment */
3260                         remain = (win_g.h - h_base) % h_inc;
3261                         missing = h_inc - remain;
3262
3263                         if (missing <= extra || j == 0) {
3264                                 extra -= missing;
3265                                 win_g.h += missing;
3266                         } else {
3267                                 win_g.h -= remain;
3268                                 extra += remain;
3269                         }
3270                 }
3271
3272                 if (j == 0)
3273                         win_g.y = r_g.y;
3274                 else
3275                         win_g.y += last_h + 2 * border_width;
3276
3277                 if (disable_border && bar_enabled == 0 && winno == 1){
3278                         bordered = 0;
3279                         win_g.w += 2 * border_width;
3280                         win_g.h += 2 * border_width;
3281                 } else {
3282                         bordered = 1;
3283                 }
3284                 if (rot) {
3285                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3286                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3287                                 reconfigure = 1;
3288                                 X(win) = win_g.y;
3289                                 Y(win) = win_g.x;
3290                                 WIDTH(win) = win_g.h;
3291                                 HEIGHT(win) = win_g.w;
3292                         }
3293                 } else {
3294                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3295                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3296                                 reconfigure = 1;
3297                                 X(win) = win_g.x;
3298                                 Y(win) = win_g.y;
3299                                 WIDTH(win) = win_g.w;
3300                                 HEIGHT(win) = win_g.h;
3301                         }
3302                 }
3303
3304                 if (bordered != win->bordered) {
3305                         reconfigure = 1;
3306                         win->bordered = bordered;
3307                 }
3308
3309                 if (reconfigure) {
3310                         adjust_font(win);
3311                         update_window(win);
3312                 }
3313
3314                 if (XGetWindowAttributes(display, win->id, &wa))
3315                         if (wa.map_state == IsUnmapped)
3316                                 XMapRaised(display, win->id);
3317
3318                 last_h = win_g.h;
3319                 i++;
3320                 j++;
3321         }
3322
3323 notiles:
3324         /* now, stack all the floaters and transients */
3325         TAILQ_FOREACH(win, &ws->winlist, entry) {
3326                 if (win->transient == 0 && win->floating == 0)
3327                         continue;
3328                 if (win->iconic == 1)
3329                         continue;
3330                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3331                         fs_win = win;
3332                         continue;
3333                 }
3334
3335                 stack_floater(win, ws->r);
3336                 XMapRaised(display, win->id);
3337         }
3338
3339         if (fs_win) {
3340                 stack_floater(fs_win, ws->r);
3341                 XMapRaised(display, fs_win->id);
3342         }
3343 }
3344
3345 void
3346 vertical_config(struct workspace *ws, int id)
3347 {
3348         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3349             id, ws->idx);
3350
3351         switch (id) {
3352         case SWM_ARG_ID_STACKRESET:
3353         case SWM_ARG_ID_STACKINIT:
3354                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3355                 ws->l_state.vertical_mwin = 1;
3356                 ws->l_state.vertical_stacks = 1;
3357                 break;
3358         case SWM_ARG_ID_MASTERSHRINK:
3359                 if (ws->l_state.vertical_msize > 1)
3360                         ws->l_state.vertical_msize--;
3361                 break;
3362         case SWM_ARG_ID_MASTERGROW:
3363                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3364                         ws->l_state.vertical_msize++;
3365                 break;
3366         case SWM_ARG_ID_MASTERADD:
3367                 ws->l_state.vertical_mwin++;
3368                 break;
3369         case SWM_ARG_ID_MASTERDEL:
3370                 if (ws->l_state.vertical_mwin > 0)
3371                         ws->l_state.vertical_mwin--;
3372                 break;
3373         case SWM_ARG_ID_STACKINC:
3374                 ws->l_state.vertical_stacks++;
3375                 break;
3376         case SWM_ARG_ID_STACKDEC:
3377                 if (ws->l_state.vertical_stacks > 1)
3378                         ws->l_state.vertical_stacks--;
3379                 break;
3380         case SWM_ARG_ID_FLIPLAYOUT:
3381                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3382                 break;
3383         default:
3384                 return;
3385         }
3386 }
3387
3388 void
3389 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3390 {
3391         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3392
3393         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3394 }
3395
3396 void
3397 horizontal_config(struct workspace *ws, int id)
3398 {
3399         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3400
3401         switch (id) {
3402         case SWM_ARG_ID_STACKRESET:
3403         case SWM_ARG_ID_STACKINIT:
3404                 ws->l_state.horizontal_mwin = 1;
3405                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3406                 ws->l_state.horizontal_stacks = 1;
3407                 break;
3408         case SWM_ARG_ID_MASTERSHRINK:
3409                 if (ws->l_state.horizontal_msize > 1)
3410                         ws->l_state.horizontal_msize--;
3411                 break;
3412         case SWM_ARG_ID_MASTERGROW:
3413                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3414                         ws->l_state.horizontal_msize++;
3415                 break;
3416         case SWM_ARG_ID_MASTERADD:
3417                 ws->l_state.horizontal_mwin++;
3418                 break;
3419         case SWM_ARG_ID_MASTERDEL:
3420                 if (ws->l_state.horizontal_mwin > 0)
3421                         ws->l_state.horizontal_mwin--;
3422                 break;
3423         case SWM_ARG_ID_STACKINC:
3424                 ws->l_state.horizontal_stacks++;
3425                 break;
3426         case SWM_ARG_ID_STACKDEC:
3427                 if (ws->l_state.horizontal_stacks > 1)
3428                         ws->l_state.horizontal_stacks--;
3429                 break;
3430         case SWM_ARG_ID_FLIPLAYOUT:
3431                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3432                 break;
3433         default:
3434                 return;
3435         }
3436 }
3437
3438 void
3439 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3440 {
3441         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3442
3443         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3444 }
3445
3446 /* fullscreen view */
3447 void
3448 max_stack(struct workspace *ws, struct swm_geometry *g)
3449 {
3450         struct swm_geometry     gg = *g;
3451         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3452         int                     winno;
3453
3454         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3455
3456         if (ws == NULL)
3457                 return;
3458
3459         winno = count_win(ws, 0);
3460         if (winno == 0 && count_win(ws, 1) == 0)
3461                 return;
3462
3463         TAILQ_FOREACH(win, &ws->winlist, entry) {
3464                 if (win->transient) {
3465                         wintrans = win;
3466                         parent = find_window(win->transient);
3467                         continue;
3468                 }
3469
3470                 if (win->floating && win->floatmaxed == 0 ) {
3471                         /*
3472                          * retain geometry for retrieval on exit from
3473                          * max_stack mode
3474                          */
3475                         store_float_geom(win, ws->r);
3476                         win->floatmaxed = 1;
3477                 }
3478
3479                 /* only reconfigure if necessary */
3480                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3481                     HEIGHT(win) != gg.h) {
3482                         win->g = gg;
3483                         if (bar_enabled){
3484                                 win->bordered = 1;
3485                         } else {
3486                                 win->bordered = 0;
3487                                 WIDTH(win) += 2 * border_width;
3488                                 HEIGHT(win) += 2 * border_width;
3489                         }
3490
3491                         update_window(win);
3492                 }
3493                 /* unmap only if we don't have multi screen */
3494                 if (win != ws->focus)
3495                         if (!(ScreenCount(display) > 1 || outputs > 1))
3496                                 unmap_window(win);
3497         }
3498
3499         /* put the last transient on top */
3500         if (wintrans) {
3501                 if (parent)
3502                         XMapRaised(display, parent->id);
3503                 stack_floater(wintrans, ws->r);
3504                 focus_magic(wintrans);
3505         }
3506 }
3507
3508 void
3509 send_to_ws(struct swm_region *r, union arg *args)
3510 {
3511         int                     wsid = args->id;
3512         struct ws_win           *win = NULL, *parent;
3513         struct workspace        *ws, *nws;
3514         Atom                    ws_idx_atom = 0;
3515         unsigned char           ws_idx_str[SWM_PROPLEN];
3516         union arg               a;
3517
3518         if (wsid >= workspace_limit)
3519                 return;
3520
3521         if (r && r->ws && r->ws->focus)
3522                 win = r->ws->focus;
3523         else
3524                 return;
3525         if (win == NULL)
3526                 return;
3527         if (win->ws->idx == wsid)
3528                 return;
3529
3530         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3531
3532         ws = win->ws;
3533         nws = &win->s->ws[wsid];
3534
3535         a.id = SWM_ARG_ID_FOCUSPREV;
3536         focus(r, &a);
3537         if (win->transient) {
3538                 parent = find_window(win->transient);
3539                 if (parent) {
3540                         unmap_window(parent);
3541                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3542                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3543                         parent->ws = nws;
3544                 }
3545         }
3546         unmap_window(win);
3547         TAILQ_REMOVE(&ws->winlist, win, entry);
3548         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3549         if (TAILQ_EMPTY(&ws->winlist))
3550                 r->ws->focus = NULL;
3551         win->ws = nws;
3552
3553         /* Try to update the window's workspace property */
3554         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3555         if (ws_idx_atom &&
3556             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3557                 SWM_PROPLEN) {
3558                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3559                     ws_idx_str);
3560                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3561                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
3562         }
3563
3564         stack();
3565         bar_update();
3566 }
3567
3568 void
3569 pressbutton(struct swm_region *r, union arg *args)
3570 {
3571         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3572         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3573 }
3574
3575 void
3576 raise_toggle(struct swm_region *r, union arg *args)
3577 {
3578         if (r == NULL || r->ws == NULL)
3579                 return;
3580
3581         r->ws->always_raise = !r->ws->always_raise;
3582
3583         /* bring floaters back to top */
3584         if (r->ws->always_raise == 0)
3585                 stack();
3586 }
3587
3588 void
3589 iconify(struct swm_region *r, union arg *args)
3590 {
3591         union arg a;
3592
3593         if (r->ws->focus == NULL)
3594                 return;
3595         unmap_window(r->ws->focus);
3596         update_iconic(r->ws->focus, 1);
3597         stack();
3598         if (focus_mode == SWM_FOCUS_DEFAULT)
3599                 drain_enter_notify();
3600         r->ws->focus = NULL;
3601         a.id = SWM_ARG_ID_FOCUSCUR;
3602         focus(r, &a);
3603 }
3604
3605 unsigned char *
3606 get_win_name(Window win)
3607 {
3608         unsigned char           *prop = NULL;
3609         unsigned long           nbytes, nitems;
3610
3611         /* try _NET_WM_NAME first */
3612         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3613             &prop)) {
3614                 XFree(prop);
3615                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3616                     &nitems, NULL, &prop))
3617                         return (prop);
3618         }
3619
3620         /* fallback to WM_NAME */
3621         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3622                 return (NULL);
3623         XFree(prop);
3624         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3625                 return (prop);
3626
3627         return (NULL);
3628 }
3629
3630 void
3631 uniconify(struct swm_region *r, union arg *args)
3632 {
3633         struct ws_win           *win;
3634         FILE                    *lfile;
3635         unsigned char           *name;
3636         int                     count = 0;
3637
3638         DNPRINTF(SWM_D_MISC, "uniconify\n");
3639
3640         if (r == NULL || r->ws == NULL)
3641                 return;
3642
3643         /* make sure we have anything to uniconify */
3644         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3645                 if (win->ws == NULL)
3646                         continue; /* should never happen */
3647                 if (win->iconic == 0)
3648                         continue;
3649                 count++;
3650         }
3651         if (count == 0)
3652                 return;
3653
3654         search_r = r;
3655         search_resp_action = SWM_SEARCH_UNICONIFY;
3656
3657         spawn_select(r, args, "search", &searchpid);
3658
3659         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3660                 return;
3661
3662         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3663                 if (win->ws == NULL)
3664                         continue; /* should never happen */
3665                 if (win->iconic == 0)
3666                         continue;
3667
3668                 name = get_win_name(win->id);
3669                 if (name == NULL)
3670                         continue;
3671                 fprintf(lfile, "%s.%lu\n", name, win->id);
3672                 XFree(name);
3673         }
3674
3675         fclose(lfile);
3676 }
3677
3678 void
3679 name_workspace(struct swm_region *r, union arg *args)
3680 {
3681         FILE                    *lfile;
3682
3683         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3684
3685         if (r == NULL)
3686                 return;
3687
3688         search_r = r;
3689         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3690
3691         spawn_select(r, args, "name_workspace", &searchpid);
3692
3693         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3694                 return;
3695
3696         fprintf(lfile, "%s", "");
3697         fclose(lfile);
3698 }
3699
3700 void
3701 search_workspace(struct swm_region *r, union arg *args)
3702 {
3703         int                     i;
3704         struct workspace        *ws;
3705         FILE                    *lfile;
3706
3707         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3708
3709         if (r == NULL)
3710                 return;
3711
3712         search_r = r;
3713         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3714
3715         spawn_select(r, args, "search", &searchpid);
3716
3717         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3718                 return;
3719
3720         for (i = 0; i < workspace_limit; i++) {
3721                 ws = &r->s->ws[i];
3722                 if (ws == NULL)
3723                         continue;
3724                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3725                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3726         }
3727
3728         fclose(lfile);
3729 }
3730
3731 void
3732 search_win_cleanup(void)
3733 {
3734         struct search_window    *sw = NULL;
3735
3736         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3737                 XDestroyWindow(display, sw->indicator);
3738                 XFreeGC(display, sw->gc);
3739                 TAILQ_REMOVE(&search_wl, sw, entry);
3740                 free(sw);
3741         }
3742 }
3743
3744 void
3745 search_win(struct swm_region *r, union arg *args)
3746 {
3747         struct ws_win           *win = NULL;
3748         struct search_window    *sw = NULL;
3749         Window                  w;
3750         XGCValues               gcv;
3751         int                     i;
3752         char                    s[8];
3753         FILE                    *lfile;
3754         size_t                  len;
3755         XRectangle              ibox, lbox;
3756
3757         DNPRINTF(SWM_D_MISC, "search_win\n");
3758
3759         search_r = r;
3760         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3761
3762         spawn_select(r, args, "search", &searchpid);
3763
3764         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3765                 return;
3766
3767         TAILQ_INIT(&search_wl);
3768
3769         i = 1;
3770         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3771                 if (win->iconic == 1)
3772                         continue;
3773
3774                 sw = calloc(1, sizeof(struct search_window));
3775                 if (sw == NULL) {
3776                         warn("search_win: calloc");
3777                         fclose(lfile);
3778                         search_win_cleanup();
3779                         return;
3780                 }
3781                 sw->idx = i;
3782                 sw->win = win;
3783
3784                 snprintf(s, sizeof s, "%d", i);
3785                 len = strlen(s);
3786
3787                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3788
3789                 w = XCreateSimpleWindow(display,
3790                     win->id, 0, 0,lbox.width + 4,
3791                     bar_fs_extents->max_logical_extent.height, 1,
3792                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3793                     r->s->c[SWM_S_COLOR_FOCUS].color);
3794
3795                 sw->indicator = w;
3796                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3797
3798                 sw->gc = XCreateGC(display, w, 0, &gcv);
3799                 XMapRaised(display, w);
3800                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3801
3802                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3803                     (bar_fs_extents->max_logical_extent.height -
3804                     lbox.height) / 2 - lbox.y, s, len);
3805
3806                 fprintf(lfile, "%d\n", i);
3807                 i++;
3808         }
3809
3810         fclose(lfile);
3811 }
3812
3813 void
3814 search_resp_uniconify(char *resp, unsigned long len)
3815 {
3816         unsigned char           *name;
3817         struct ws_win           *win;
3818         char                    *s;
3819
3820         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3821
3822         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3823                 if (win->iconic == 0)
3824                         continue;
3825                 name = get_win_name(win->id);
3826                 if (name == NULL)
3827                         continue;
3828                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3829                         XFree(name);
3830                         continue;
3831                 }
3832                 XFree(name);
3833                 if (strncmp(s, resp, len) == 0) {
3834                         /* XXX this should be a callback to generalize */
3835                         update_iconic(win, 0);
3836                         free(s);
3837                         break;
3838                 }
3839                 free(s);
3840         }
3841 }
3842
3843 void
3844 search_resp_name_workspace(char *resp, unsigned long len)
3845 {
3846         struct workspace        *ws;
3847
3848         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3849
3850         if (search_r->ws == NULL)
3851                 return;
3852         ws = search_r->ws;
3853
3854         if (ws->name) {
3855                 free(search_r->ws->name);
3856                 search_r->ws->name = NULL;
3857         }
3858
3859         if (len > 1) {
3860                 ws->name = strdup(resp);
3861                 if (ws->name == NULL) {
3862                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3863                             "strdup: %s", strerror(errno));
3864                         return;
3865                 }
3866         }
3867 }
3868
3869 void
3870 search_resp_search_workspace(char *resp, unsigned long len)
3871 {
3872         char                    *p, *q;
3873         int                     ws_idx;
3874         const char              *errstr;
3875         union arg               a;
3876
3877         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3878
3879         q = strdup(resp);
3880         if (!q) {
3881                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3882                     strerror(errno));
3883                 return;
3884         }
3885         p = strchr(q, ':');
3886         if (p != NULL)
3887                 *p = '\0';
3888         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3889         if (errstr) {
3890                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3891                     errstr, q);
3892                 free(q);
3893                 return;
3894         }
3895         free(q);
3896         a.id = ws_idx - 1;
3897         switchws(search_r, &a);
3898 }
3899
3900 void
3901 search_resp_search_window(char *resp, unsigned long len)
3902 {
3903         char                    *s;
3904         int                     idx;
3905         const char              *errstr;
3906         struct search_window    *sw;
3907
3908         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3909
3910         s = strdup(resp);
3911         if (!s) {
3912                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3913                     strerror(errno));
3914                 return;
3915         }
3916
3917         idx = strtonum(s, 1, INT_MAX, &errstr);
3918         if (errstr) {
3919                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3920                     errstr, s);
3921                 free(s);
3922                 return;
3923         }
3924         free(s);
3925
3926         TAILQ_FOREACH(sw, &search_wl, entry)
3927                 if (idx == sw->idx) {
3928                         focus_win(sw->win);
3929                         break;
3930                 }
3931 }
3932
3933 #define MAX_RESP_LEN    1024
3934
3935 void
3936 search_do_resp(void)
3937 {
3938         ssize_t                 rbytes;
3939         char                    *resp;
3940         unsigned long           len;
3941
3942         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3943
3944         search_resp = 0;
3945         searchpid = 0;
3946
3947         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3948                 warn("search: calloc");
3949                 goto done;
3950         }
3951
3952         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3953         if (rbytes <= 0) {
3954                 warn("search: read error");
3955                 goto done;
3956         }
3957         resp[rbytes] = '\0';
3958
3959         /* XXX:
3960          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3961          * newline, so work around that by sanitizing the resp now.
3962          */
3963         resp[strcspn(resp, "\n")] = '\0';
3964         len = strlen(resp);
3965
3966         switch (search_resp_action) {
3967         case SWM_SEARCH_UNICONIFY:
3968                 search_resp_uniconify(resp, len);
3969                 break;
3970         case SWM_SEARCH_NAME_WORKSPACE:
3971                 search_resp_name_workspace(resp, len);
3972                 break;
3973         case SWM_SEARCH_SEARCH_WORKSPACE:
3974                 search_resp_search_workspace(resp, len);
3975                 break;
3976         case SWM_SEARCH_SEARCH_WINDOW:
3977                 search_resp_search_window(resp, len);
3978                 break;
3979         }
3980
3981 done:
3982         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3983                 search_win_cleanup();
3984
3985         search_resp_action = SWM_SEARCH_NONE;
3986         close(select_resp_pipe[0]);
3987         free(resp);
3988 }
3989
3990 void
3991 wkill(struct swm_region *r, union arg *args)
3992 {
3993         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3994
3995         if (r->ws->focus == NULL)
3996                 return;
3997
3998         if (args->id == SWM_ARG_ID_KILLWINDOW)
3999                 XKillClient(display, r->ws->focus->id);
4000         else
4001                 if (r->ws->focus->can_delete)
4002                         client_msg(r->ws->focus, adelete);
4003 }
4004
4005
4006 int
4007 floating_toggle_win(struct ws_win *win)
4008 {
4009         struct swm_region       *r;
4010
4011         if (win == NULL)
4012                 return (0);
4013
4014         if (!win->ws->r)
4015                 return (0);
4016
4017         r = win->ws->r;
4018
4019         /* reject floating toggles in max stack mode */
4020         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4021                 return (0);
4022
4023         if (win->floating) {
4024                 if (!win->floatmaxed) {
4025                         /* retain position for refloat */
4026                         store_float_geom(win, r);
4027                 }
4028                 win->floating = 0;
4029         } else {
4030                 if (win->g_floatvalid) {
4031                         /* refloat at last floating relative position */
4032                         X(win) = win->g_float.x + X(r);
4033                         Y(win) = win->g_float.y + Y(r);
4034                         WIDTH(win) = win->g_float.w;
4035                         HEIGHT(win) = win->g_float.h;
4036                 }
4037                 win->floating = 1;
4038         }
4039
4040         ewmh_update_actions(win);
4041
4042         return (1);
4043 }
4044
4045 void
4046 floating_toggle(struct swm_region *r, union arg *args)
4047 {
4048         struct ws_win           *win = r->ws->focus;
4049         union arg               a;
4050
4051         if (win == NULL)
4052                 return;
4053
4054         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4055             _NET_WM_STATE_TOGGLE);
4056
4057         stack();
4058         if (focus_mode == SWM_FOCUS_DEFAULT)
4059                 drain_enter_notify();
4060
4061         if (win == win->ws->focus) {
4062                 a.id = SWM_ARG_ID_FOCUSCUR;
4063                 focus(win->ws->r, &a);
4064         }
4065 }
4066
4067 void
4068 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4069 {
4070         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4071                 if (resizable)
4072                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4073                 else
4074                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4075         }
4076
4077         if (X(win) + BORDER(win) < X(r)) {
4078                 if (resizable)
4079                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4080
4081                 X(win) = X(r) - BORDER(win);
4082         }
4083
4084         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4085                 if (resizable)
4086                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4087                 else
4088                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4089         }
4090
4091         if (Y(win) + BORDER(win) < Y(r)) {
4092                 if (resizable)
4093                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4094
4095                 Y(win) = Y(r) - BORDER(win);
4096         }
4097
4098         if (resizable) {
4099                 if (WIDTH(win) < 1)
4100                         WIDTH(win) = 1;
4101                 if (HEIGHT(win) < 1)
4102                         HEIGHT(win) = 1;
4103         }
4104 }
4105
4106 void
4107 update_window(struct ws_win *win)
4108 {
4109         unsigned int            mask;
4110         XWindowChanges          wc;
4111
4112         bzero(&wc, sizeof wc);
4113         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
4114
4115         wc.border_width = BORDER(win);
4116         wc.x = X(win);
4117         wc.y = Y(win);
4118         wc.width = WIDTH(win);
4119         wc.height = HEIGHT(win);
4120
4121         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%lx, (x,y) w x h: "
4122             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc.x, wc.y, wc.width,
4123             wc.height, YESNO(win->bordered));
4124
4125         XConfigureWindow(display, win->id, mask, &wc);
4126 }
4127
4128 #define SWM_RESIZE_STEPS        (50)
4129
4130 void
4131 resize(struct ws_win *win, union arg *args)
4132 {
4133         XEvent                  ev;
4134         Time                    time = 0;
4135         struct swm_region       *r = NULL;
4136         int                     resize_step = 0;
4137         Window                  rr, cr;
4138         int                     x, y, wx, wy;
4139         unsigned int            mask;
4140         struct swm_geometry     g;
4141         int                     top = 0, left = 0;
4142         int                     dx, dy;
4143         Cursor                  cursor;
4144         unsigned int            shape; /* cursor style */
4145
4146         if (win == NULL)
4147                 return;
4148         r = win->ws->r;
4149
4150         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4151                 return;
4152
4153         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4154             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4155             win->transient);
4156
4157         if (!(win->transient != 0 || win->floating != 0))
4158                 return;
4159
4160         /* reject resizes in max mode for floaters (transient ok) */
4161         if (win->floatmaxed)
4162                 return;
4163
4164         win->manual = 1;
4165         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4166             _NET_WM_STATE_ADD);
4167
4168         stack();
4169
4170         switch (args->id) {
4171         case SWM_ARG_ID_WIDTHSHRINK:
4172                 WIDTH(win) -= SWM_RESIZE_STEPS;
4173                 resize_step = 1;
4174                 break;
4175         case SWM_ARG_ID_WIDTHGROW:
4176                 WIDTH(win) += SWM_RESIZE_STEPS;
4177                 resize_step = 1;
4178                 break;
4179         case SWM_ARG_ID_HEIGHTSHRINK:
4180                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4181                 resize_step = 1;
4182                 break;
4183         case SWM_ARG_ID_HEIGHTGROW:
4184                 HEIGHT(win) += SWM_RESIZE_STEPS;
4185                 resize_step = 1;
4186                 break;
4187         default:
4188                 break;
4189         }
4190         if (resize_step) {
4191                 constrain_window(win, r, 1);
4192                 update_window(win);
4193                 store_float_geom(win,r);
4194                 return;
4195         }
4196
4197         if (focus_mode == SWM_FOCUS_DEFAULT)
4198                 drain_enter_notify();
4199
4200         /* get cursor offset from window root */
4201         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4202             return;
4203
4204         g = win->g;
4205
4206         if (wx < WIDTH(win) / 2)
4207                 left = 1;
4208
4209         if (wy < HEIGHT(win) / 2)
4210                 top = 1;
4211
4212         if (args->id == SWM_ARG_ID_CENTER)
4213                 shape = XC_sizing;
4214         else if (top)
4215                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4216         else
4217                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4218
4219         cursor = XCreateFontCursor(display, shape);
4220
4221         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4222             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4223                 XFreeCursor(display, cursor);
4224                 return;
4225         }
4226
4227         do {
4228                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4229                     SubstructureRedirectMask, &ev);
4230                 switch (ev.type) {
4231                 case ConfigureRequest:
4232                 case Expose:
4233                 case MapRequest:
4234                         handler[ev.type](&ev);
4235                         break;
4236                 case MotionNotify:
4237                         /* cursor offset/delta from start of the operation */
4238                         dx = ev.xmotion.x_root - x;
4239                         dy = ev.xmotion.y_root - y;
4240
4241                         /* vertical */
4242                         if (top)
4243                                 dy = -dy;
4244
4245                         if (args->id == SWM_ARG_ID_CENTER) {
4246                                 if (g.h / 2 + dy < 1)
4247                                         dy = 1 - g.h / 2;
4248
4249                                 Y(win) = g.y - dy;
4250                                 HEIGHT(win) = g.h + 2 * dy;
4251                         } else {
4252                                 if (g.h + dy < 1)
4253                                         dy = 1 - g.h;
4254
4255                                 if (top)
4256                                         Y(win) = g.y - dy;
4257
4258                                 HEIGHT(win) = g.h + dy;
4259                         }
4260
4261                         /* horizontal */
4262                         if (left)
4263                                 dx = -dx;
4264
4265                         if (args->id == SWM_ARG_ID_CENTER) {
4266                                 if (g.w / 2 + dx < 1)
4267                                         dx = 1 - g.w / 2;
4268
4269                                 X(win) = g.x - dx;
4270                                 WIDTH(win) = g.w + 2 * dx;
4271                         } else {
4272                                 if (g.w + dx < 1)
4273                                         dx = 1 - g.w;
4274
4275                                 if (left)
4276                                         X(win) = g.x - dx;
4277
4278                                 WIDTH(win) = g.w + dx;
4279                         }
4280
4281                         constrain_window(win, r, 1);
4282
4283                         /* not free, don't sync more than 120 times / second */
4284                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4285                                 time = ev.xmotion.time;
4286                                 XSync(display, False);
4287                                 update_window(win);
4288                         }
4289                         break;
4290                 }
4291         } while (ev.type != ButtonRelease);
4292         if (time) {
4293                 XSync(display, False);
4294                 update_window(win);
4295         }
4296         store_float_geom(win,r);
4297
4298         XUngrabPointer(display, CurrentTime);
4299         XFreeCursor(display, cursor);
4300
4301         /* drain events */
4302         drain_enter_notify();
4303 }
4304
4305 void
4306 resize_step(struct swm_region *r, union arg *args)
4307 {
4308         struct ws_win           *win = NULL;
4309
4310         if (r && r->ws && r->ws->focus)
4311                 win = r->ws->focus;
4312         else
4313                 return;
4314
4315         resize(win, args);
4316 }
4317
4318 #define SWM_MOVE_STEPS  (50)
4319
4320 void
4321 move(struct ws_win *win, union arg *args)
4322 {
4323         XEvent                  ev;
4324         Time                    time = 0;
4325         int                     move_step = 0;
4326         struct swm_region       *r = NULL;
4327
4328         Window                  rr, cr;
4329         int                     x, y, wx, wy;
4330         unsigned int            mask;
4331
4332         if (win == NULL)
4333                 return;
4334         r = win->ws->r;
4335
4336         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4337                 return;
4338
4339         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4340             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4341
4342         /* in max_stack mode should only move transients */
4343         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4344                 return;
4345
4346         win->manual = 1;
4347         if (win->floating == 0 && !win->transient) {
4348                 store_float_geom(win, r);
4349                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4350                     _NET_WM_STATE_ADD);
4351         }
4352         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4353             _NET_WM_STATE_ADD);
4354
4355         stack();
4356
4357         move_step = 0;
4358         switch (args->id) {
4359         case SWM_ARG_ID_MOVELEFT:
4360                 X(win) -= (SWM_MOVE_STEPS - border_width);
4361                 move_step = 1;
4362                 break;
4363         case SWM_ARG_ID_MOVERIGHT:
4364                 X(win) += (SWM_MOVE_STEPS - border_width);
4365                 move_step = 1;
4366                 break;
4367         case SWM_ARG_ID_MOVEUP:
4368                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4369                 move_step = 1;
4370                 break;
4371         case SWM_ARG_ID_MOVEDOWN:
4372                 Y(win) += (SWM_MOVE_STEPS - border_width);
4373                 move_step = 1;
4374                 break;
4375         default:
4376                 break;
4377         }
4378         if (move_step) {
4379                 constrain_window(win, r, 0);
4380                 update_window(win);
4381                 store_float_geom(win, r);
4382                 return;
4383         }
4384
4385         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4386             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4387             CurrentTime) != GrabSuccess)
4388                 return;
4389
4390         /* get cursor offset from window root */
4391         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4392             return;
4393
4394         do {
4395                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4396                     SubstructureRedirectMask, &ev);
4397                 switch (ev.type) {
4398                 case ConfigureRequest:
4399                 case Expose:
4400                 case MapRequest:
4401                         handler[ev.type](&ev);
4402                         break;
4403                 case MotionNotify:
4404                         X(win) = ev.xmotion.x_root - wx - border_width;
4405                         Y(win) = ev.xmotion.y_root - wy - border_width;
4406
4407                         constrain_window(win, r, 0);
4408
4409                         /* not free, don't sync more than 120 times / second */
4410                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4411                                 time = ev.xmotion.time;
4412                                 XSync(display, False);
4413                                 update_window(win);
4414                         }
4415                         break;
4416                 }
4417         } while (ev.type != ButtonRelease);
4418         if (time) {
4419                 XSync(display, False);
4420                 update_window(win);
4421         }
4422         store_float_geom(win, r);
4423         XUngrabPointer(display, CurrentTime);
4424
4425         /* drain events */
4426         drain_enter_notify();
4427 }
4428
4429 void
4430 move_step(struct swm_region *r, union arg *args)
4431 {
4432         struct ws_win           *win = NULL;
4433
4434         if (r && r->ws && r->ws->focus)
4435                 win = r->ws->focus;
4436         else
4437                 return;
4438
4439         if (!(win->transient != 0 || win->floating != 0))
4440                 return;
4441
4442         move(win, args);
4443 }
4444
4445
4446 /* user/key callable function IDs */
4447 enum keyfuncid {
4448         kf_cycle_layout,
4449         kf_flip_layout,
4450         kf_stack_reset,
4451         kf_master_shrink,
4452         kf_master_grow,
4453         kf_master_add,
4454         kf_master_del,
4455         kf_stack_inc,
4456         kf_stack_dec,
4457         kf_swap_main,
4458         kf_focus_next,
4459         kf_focus_prev,
4460         kf_swap_next,
4461         kf_swap_prev,
4462         kf_quit,
4463         kf_restart,
4464         kf_focus_main,
4465         kf_ws_1,
4466         kf_ws_2,
4467         kf_ws_3,
4468         kf_ws_4,
4469         kf_ws_5,
4470         kf_ws_6,
4471         kf_ws_7,
4472         kf_ws_8,
4473         kf_ws_9,
4474         kf_ws_10,
4475         kf_ws_11,
4476         kf_ws_12,
4477         kf_ws_13,
4478         kf_ws_14,
4479         kf_ws_15,
4480         kf_ws_16,
4481         kf_ws_17,
4482         kf_ws_18,
4483         kf_ws_19,
4484         kf_ws_20,
4485         kf_ws_21,
4486         kf_ws_22,
4487         kf_ws_next,
4488         kf_ws_prev,
4489         kf_ws_next_all,
4490         kf_ws_prev_all,
4491         kf_ws_prior,
4492         kf_screen_next,
4493         kf_screen_prev,
4494         kf_mvws_1,
4495         kf_mvws_2,
4496         kf_mvws_3,
4497         kf_mvws_4,
4498         kf_mvws_5,
4499         kf_mvws_6,
4500         kf_mvws_7,
4501         kf_mvws_8,
4502         kf_mvws_9,
4503         kf_mvws_10,
4504         kf_mvws_11,
4505         kf_mvws_12,
4506         kf_mvws_13,
4507         kf_mvws_14,
4508         kf_mvws_15,
4509         kf_mvws_16,
4510         kf_mvws_17,
4511         kf_mvws_18,
4512         kf_mvws_19,
4513         kf_mvws_20,
4514         kf_mvws_21,
4515         kf_mvws_22,
4516         kf_bar_toggle,
4517         kf_wind_kill,
4518         kf_wind_del,
4519         kf_float_toggle,
4520         kf_version,
4521         kf_spawn_custom,
4522         kf_iconify,
4523         kf_uniconify,
4524         kf_raise_toggle,
4525         kf_button2,
4526         kf_width_shrink,
4527         kf_width_grow,
4528         kf_height_shrink,
4529         kf_height_grow,
4530         kf_move_left,
4531         kf_move_right,
4532         kf_move_up,
4533         kf_move_down,
4534         kf_name_workspace,
4535         kf_search_workspace,
4536         kf_search_win,
4537         kf_dumpwins, /* MUST BE LAST */
4538         kf_invalid
4539 };
4540
4541 /* key definitions */
4542 void
4543 dummykeyfunc(struct swm_region *r, union arg *args)
4544 {
4545 };
4546
4547 struct keyfunc {
4548         char                    name[SWM_FUNCNAME_LEN];
4549         void                    (*func)(struct swm_region *r, union arg *);
4550         union arg               args;
4551 } keyfuncs[kf_invalid + 1] = {
4552         /* name                 function        argument */
4553         { "cycle_layout",       cycle_layout,   {0} },
4554         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4555         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4556         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4557         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4558         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4559         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4560         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4561         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4562         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4563         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4564         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4565         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4566         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4567         { "quit",               quit,           {0} },
4568         { "restart",            restart,        {0} },
4569         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4570         { "ws_1",               switchws,       {.id = 0} },
4571         { "ws_2",               switchws,       {.id = 1} },
4572         { "ws_3",               switchws,       {.id = 2} },
4573         { "ws_4",               switchws,       {.id = 3} },
4574         { "ws_5",               switchws,       {.id = 4} },
4575         { "ws_6",               switchws,       {.id = 5} },
4576         { "ws_7",               switchws,       {.id = 6} },
4577         { "ws_8",               switchws,       {.id = 7} },
4578         { "ws_9",               switchws,       {.id = 8} },
4579         { "ws_10",              switchws,       {.id = 9} },
4580         { "ws_11",              switchws,       {.id = 10} },
4581         { "ws_12",              switchws,       {.id = 11} },
4582         { "ws_13",              switchws,       {.id = 12} },
4583         { "ws_14",              switchws,       {.id = 13} },
4584         { "ws_15",              switchws,       {.id = 14} },
4585         { "ws_16",              switchws,       {.id = 15} },
4586         { "ws_17",              switchws,       {.id = 16} },
4587         { "ws_18",              switchws,       {.id = 17} },
4588         { "ws_19",              switchws,       {.id = 18} },
4589         { "ws_20",              switchws,       {.id = 19} },
4590         { "ws_21",              switchws,       {.id = 20} },
4591         { "ws_22",              switchws,       {.id = 21} },
4592         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4593         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4594         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4595         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4596         { "ws_prior",           priorws,        {0} },
4597         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4598         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4599         { "mvws_1",             send_to_ws,     {.id = 0} },
4600         { "mvws_2",             send_to_ws,     {.id = 1} },
4601         { "mvws_3",             send_to_ws,     {.id = 2} },
4602         { "mvws_4",             send_to_ws,     {.id = 3} },
4603         { "mvws_5",             send_to_ws,     {.id = 4} },
4604         { "mvws_6",             send_to_ws,     {.id = 5} },
4605         { "mvws_7",             send_to_ws,     {.id = 6} },
4606         { "mvws_8",             send_to_ws,     {.id = 7} },
4607         { "mvws_9",             send_to_ws,     {.id = 8} },
4608         { "mvws_10",            send_to_ws,     {.id = 9} },
4609         { "mvws_11",            send_to_ws,     {.id = 10} },
4610         { "mvws_12",            send_to_ws,     {.id = 11} },
4611         { "mvws_13",            send_to_ws,     {.id = 12} },
4612         { "mvws_14",            send_to_ws,     {.id = 13} },
4613         { "mvws_15",            send_to_ws,     {.id = 14} },
4614         { "mvws_16",            send_to_ws,     {.id = 15} },
4615         { "mvws_17",            send_to_ws,     {.id = 16} },
4616         { "mvws_18",            send_to_ws,     {.id = 17} },
4617         { "mvws_19",            send_to_ws,     {.id = 18} },
4618         { "mvws_20",            send_to_ws,     {.id = 19} },
4619         { "mvws_21",            send_to_ws,     {.id = 20} },
4620         { "mvws_22",            send_to_ws,     {.id = 21} },
4621         { "bar_toggle",         bar_toggle,     {0} },
4622         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4623         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4624         { "float_toggle",       floating_toggle,{0} },
4625         { "version",            version,        {0} },
4626         { "spawn_custom",       dummykeyfunc,   {0} },
4627         { "iconify",            iconify,        {0} },
4628         { "uniconify",          uniconify,      {0} },
4629         { "raise_toggle",       raise_toggle,   {0} },
4630         { "button2",            pressbutton,    {2} },
4631         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4632         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4633         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4634         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4635         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4636         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4637         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4638         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4639         { "name_workspace",     name_workspace, {0} },
4640         { "search_workspace",   search_workspace,       {0} },
4641         { "search_win",         search_win,     {0} },
4642         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4643         { "invalid key func",   NULL,           {0} },
4644 };
4645 struct key {
4646         RB_ENTRY(key)           entry;
4647         unsigned int            mod;
4648         KeySym                  keysym;
4649         enum keyfuncid          funcid;
4650         char                    *spawn_name;
4651 };
4652 RB_HEAD(key_tree, key);
4653
4654 int
4655 key_cmp(struct key *kp1, struct key *kp2)
4656 {
4657         if (kp1->keysym < kp2->keysym)
4658                 return (-1);
4659         if (kp1->keysym > kp2->keysym)
4660                 return (1);
4661
4662         if (kp1->mod < kp2->mod)
4663                 return (-1);
4664         if (kp1->mod > kp2->mod)
4665                 return (1);
4666
4667         return (0);
4668 }
4669
4670 RB_GENERATE(key_tree, key, entry, key_cmp);
4671 struct key_tree                 keys;
4672
4673 /* mouse */
4674 enum { client_click, root_click };
4675 struct button {
4676         unsigned int            action;
4677         unsigned int            mask;
4678         unsigned int            button;
4679         void                    (*func)(struct ws_win *, union arg *);
4680         union arg               args;
4681 } buttons[] = {
4682           /* action     key             mouse button    func    args */
4683         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4684         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4685         { client_click, MODKEY,         Button1,        move,   {0} },
4686 };
4687
4688 void
4689 update_modkey(unsigned int mod)
4690 {
4691         int                     i;
4692         struct key              *kp;
4693
4694         mod_key = mod;
4695         RB_FOREACH(kp, key_tree, &keys)
4696                 if (kp->mod & ShiftMask)
4697                         kp->mod = mod | ShiftMask;
4698                 else
4699                         kp->mod = mod;
4700
4701         for (i = 0; i < LENGTH(buttons); i++)
4702                 if (buttons[i].mask & ShiftMask)
4703                         buttons[i].mask = mod | ShiftMask;
4704                 else
4705                         buttons[i].mask = mod;
4706 }
4707
4708 /* spawn */
4709 struct spawn_prog {
4710         TAILQ_ENTRY(spawn_prog) entry;
4711         char                    *name;
4712         int                     argc;
4713         char                    **argv;
4714 };
4715 TAILQ_HEAD(spawn_list, spawn_prog);
4716 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4717
4718 int
4719 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4720     char ***ret_args)
4721 {
4722         struct spawn_prog       *prog = NULL;
4723         int                     i;
4724         char                    *ap, **real_args;
4725
4726         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4727
4728         /* find program */
4729         TAILQ_FOREACH(prog, &spawns, entry) {
4730                 if (!strcasecmp(spawn_name, prog->name))
4731                         break;
4732         }
4733         if (prog == NULL) {
4734                 warnx("spawn_custom: program %s not found", spawn_name);
4735                 return (-1);
4736         }
4737
4738         /* make room for expanded args */
4739         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4740                 err(1, "spawn_custom: calloc real_args");
4741
4742         /* expand spawn_args into real_args */
4743         for (i = 0; i < prog->argc; i++) {
4744                 ap = prog->argv[i];
4745                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4746                 if (!strcasecmp(ap, "$bar_border")) {
4747                         if ((real_args[i] =
4748                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4749                             == NULL)
4750                                 err(1,  "spawn_custom border color");
4751                 } else if (!strcasecmp(ap, "$bar_color")) {
4752                         if ((real_args[i] =
4753                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4754                             == NULL)
4755                                 err(1, "spawn_custom bar color");
4756                 } else if (!strcasecmp(ap, "$bar_font")) {
4757                         if ((real_args[i] = strdup(bar_fonts))
4758                             == NULL)
4759                                 err(1, "spawn_custom bar fonts");
4760                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4761                         if ((real_args[i] =
4762                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4763                             == NULL)
4764                                 err(1, "spawn_custom color font");
4765                 } else if (!strcasecmp(ap, "$color_focus")) {
4766                         if ((real_args[i] =
4767                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4768                             == NULL)
4769                                 err(1, "spawn_custom color focus");
4770                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4771                         if ((real_args[i] =
4772                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4773                             == NULL)
4774                                 err(1, "spawn_custom color unfocus");
4775                 } else {
4776                         /* no match --> copy as is */
4777                         if ((real_args[i] = strdup(ap)) == NULL)
4778                                 err(1, "spawn_custom strdup(ap)");
4779                 }
4780                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4781                     real_args[i]);
4782         }
4783
4784 #ifdef SWM_DEBUG
4785         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4786         for (i = 0; i < prog->argc; i++)
4787                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4788         DNPRINTF(SWM_D_SPAWN, "\n");
4789 #endif
4790         *ret_args = real_args;
4791         return (prog->argc);
4792 }
4793
4794 void
4795 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4796 {
4797         union arg               a;
4798         char                    **real_args;
4799         int                     spawn_argc, i;
4800
4801         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4802                 return;
4803         a.argv = real_args;
4804         if (fork() == 0)
4805                 spawn(r->ws->idx, &a, 1);
4806
4807         for (i = 0; i < spawn_argc; i++)
4808                 free(real_args[i]);
4809         free(real_args);
4810 }
4811
4812 void
4813 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4814 {
4815         union arg               a;
4816         char                    **real_args;
4817         int                     i, spawn_argc;
4818
4819         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4820                 return;
4821         a.argv = real_args;
4822
4823         if (pipe(select_list_pipe) == -1)
4824                 err(1, "pipe error");
4825         if (pipe(select_resp_pipe) == -1)
4826                 err(1, "pipe error");
4827
4828         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4829                 err(1, "could not disable SIGPIPE");
4830         switch (*pid = fork()) {
4831         case -1:
4832                 err(1, "cannot fork");
4833                 break;
4834         case 0: /* child */
4835                 if (dup2(select_list_pipe[0], 0) == -1)
4836                         err(1, "dup2");
4837                 if (dup2(select_resp_pipe[1], 1) == -1)
4838                         err(1, "dup2");
4839                 close(select_list_pipe[1]);
4840                 close(select_resp_pipe[0]);
4841                 spawn(r->ws->idx, &a, 0);
4842                 break;
4843         default: /* parent */
4844                 close(select_list_pipe[0]);
4845                 close(select_resp_pipe[1]);
4846                 break;
4847         }
4848
4849         for (i = 0; i < spawn_argc; i++)
4850                 free(real_args[i]);
4851         free(real_args);
4852 }
4853
4854 void
4855 spawn_insert(char *name, char *args)
4856 {
4857         char                    *arg, *cp, *ptr;
4858         struct spawn_prog       *sp;
4859
4860         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4861
4862         if ((sp = calloc(1, sizeof *sp)) == NULL)
4863                 err(1, "spawn_insert: malloc");
4864         if ((sp->name = strdup(name)) == NULL)
4865                 err(1, "spawn_insert: strdup");
4866
4867         /* convert the arguments to an argument list */
4868         if ((ptr = cp = strdup(args)) == NULL)
4869                 err(1, "spawn_insert: strdup");
4870         while ((arg = strsep(&ptr, " \t")) != NULL) {
4871                 /* empty field; skip it */
4872                 if (*arg == '\0')
4873                         continue;
4874
4875                 sp->argc++;
4876                 if ((sp->argv = realloc(sp->argv, sp->argc *
4877                     sizeof *sp->argv)) == NULL)
4878                         err(1, "spawn_insert: realloc");
4879                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4880                         err(1, "spawn_insert: strdup");
4881         }
4882         free(cp);
4883
4884         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4885         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4886 }
4887
4888 void
4889 spawn_remove(struct spawn_prog *sp)
4890 {
4891         int                     i;
4892
4893         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4894
4895         TAILQ_REMOVE(&spawns, sp, entry);
4896         for (i = 0; i < sp->argc; i++)
4897                 free(sp->argv[i]);
4898         free(sp->argv);
4899         free(sp->name);
4900         free(sp);
4901
4902         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4903 }
4904
4905 void
4906 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4907 {
4908         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4909
4910         spawn_remove(sp);
4911         spawn_insert(name, args);
4912
4913         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4914 }
4915
4916 void
4917 setspawn(char *name, char *args)
4918 {
4919         struct spawn_prog       *sp;
4920
4921         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4922
4923         if (name == NULL)
4924                 return;
4925
4926         TAILQ_FOREACH(sp, &spawns, entry) {
4927                 if (!strcmp(sp->name, name)) {
4928                         if (*args == '\0')
4929                                 spawn_remove(sp);
4930                         else
4931                                 spawn_replace(sp, name, args);
4932                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4933                         return;
4934                 }
4935         }
4936         if (*args == '\0') {
4937                 warnx("error: setspawn: cannot find program: %s", name);
4938                 return;
4939         }
4940
4941         spawn_insert(name, args);
4942         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4943 }
4944
4945 int
4946 setconfspawn(char *selector, char *value, int flags)
4947 {
4948         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4949
4950         setspawn(selector, value);
4951
4952         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4953         return (0);
4954 }
4955
4956 void
4957 setup_spawn(void)
4958 {
4959         setconfspawn("term",            "xterm",                0);
4960         setconfspawn("spawn_term",      "xterm",                0);
4961         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4962         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4963         setconfspawn("lock",            "xlock",                0);
4964         setconfspawn("initscr",         "initscreen.sh",        0);
4965         setconfspawn("menu",            "dmenu_run"
4966                                         " -fn $bar_font"
4967                                         " -nb $bar_color"
4968                                         " -nf $bar_font_color"
4969                                         " -sb $bar_border"
4970                                         " -sf $bar_color",      0);
4971         setconfspawn("search",          "dmenu"
4972                                         " -i"
4973                                         " -fn $bar_font"
4974                                         " -nb $bar_color"
4975                                         " -nf $bar_font_color"
4976                                         " -sb $bar_border"
4977                                         " -sf $bar_color",      0);
4978         setconfspawn("name_workspace",  "dmenu"
4979                                         " -p Workspace"
4980                                         " -fn $bar_font"
4981                                         " -nb $bar_color"
4982                                         " -nf $bar_font_color"
4983                                         " -sb $bar_border"
4984                                         " -sf $bar_color",      0);
4985 }
4986
4987 /* key bindings */
4988 #define SWM_MODNAME_SIZE        32
4989 #define SWM_KEY_WS              "\n+ \t"
4990 int
4991 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4992 {
4993         char                    *cp, *name;
4994         KeySym                  uks;
4995         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4996         if (mod == NULL || ks == NULL) {
4997                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4998                 return (1);
4999         }
5000         if (keystr == NULL || strlen(keystr) == 0) {
5001                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5002                 return (1);
5003         }
5004         cp = keystr;
5005         *ks = NoSymbol;
5006         *mod = 0;
5007         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5008                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5009                 if (cp)
5010                         cp += (long)strspn(cp, SWM_KEY_WS);
5011                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5012                         *mod |= currmod;
5013                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5014                         *mod |= Mod1Mask;
5015                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5016                         *mod += Mod2Mask;
5017                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5018                         *mod |= Mod3Mask;
5019                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5020                         *mod |= Mod4Mask;
5021                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5022                         *mod |= ShiftMask;
5023                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5024                         *mod |= ControlMask;
5025                 else {
5026                         *ks = XStringToKeysym(name);
5027                         XConvertCase(*ks, ks, &uks);
5028                         if (ks == NoSymbol) {
5029                                 DNPRINTF(SWM_D_KEY,
5030                                     "parsekeys: invalid key %s\n",
5031                                     name);
5032                                 return (1);
5033                         }
5034                 }
5035         }
5036         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5037         return (0);
5038 }
5039
5040 char *
5041 strdupsafe(char *str)
5042 {
5043         if (str == NULL)
5044                 return (NULL);
5045         else
5046                 return (strdup(str));
5047 }
5048
5049 void
5050 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5051 {
5052         struct key              *kp;
5053
5054         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5055             keyfuncs[kfid].name, spawn_name);
5056
5057         if ((kp = malloc(sizeof *kp)) == NULL)
5058                 err(1, "key_insert: malloc");
5059
5060         kp->mod = mod;
5061         kp->keysym = ks;
5062         kp->funcid = kfid;
5063         kp->spawn_name = strdupsafe(spawn_name);
5064         RB_INSERT(key_tree, &keys, kp);
5065
5066         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5067 }
5068
5069 struct key *
5070 key_lookup(unsigned int mod, KeySym ks)
5071 {
5072         struct key              kp;
5073
5074         kp.keysym = ks;
5075         kp.mod = mod;
5076
5077         return (RB_FIND(key_tree, &keys, &kp));
5078 }
5079
5080 void
5081 key_remove(struct key *kp)
5082 {
5083         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5084
5085         RB_REMOVE(key_tree, &keys, kp);
5086         free(kp->spawn_name);
5087         free(kp);
5088
5089         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5090 }
5091
5092 void
5093 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5094     char *spawn_name)
5095 {
5096         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5097             spawn_name);
5098
5099         key_remove(kp);
5100         key_insert(mod, ks, kfid, spawn_name);
5101
5102         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5103 }
5104
5105 void
5106 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5107     char *spawn_name)
5108 {
5109         struct key              *kp;
5110
5111         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5112             keyfuncs[kfid].name, spawn_name);
5113
5114         if ((kp = key_lookup(mod, ks)) != NULL) {
5115                 if (kfid == kf_invalid)
5116                         key_remove(kp);
5117                 else
5118                         key_replace(kp, mod, ks, kfid, spawn_name);
5119                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5120                 return;
5121         }
5122         if (kfid == kf_invalid) {
5123                 warnx("error: setkeybinding: cannot find mod/key combination");
5124                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5125                 return;
5126         }
5127
5128         key_insert(mod, ks, kfid, spawn_name);
5129         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5130 }
5131
5132 int
5133 setconfbinding(char *selector, char *value, int flags)
5134 {
5135         enum keyfuncid          kfid;
5136         unsigned int            mod;
5137         KeySym                  ks;
5138         struct spawn_prog       *sp;
5139         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5140         if (selector == NULL) {
5141                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5142                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5143                         kfid = kf_invalid;
5144                         setkeybinding(mod, ks, kfid, NULL);
5145                         return (0);
5146                 } else
5147                         return (1);
5148         }
5149         /* search by key function name */
5150         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5151                 if (strncasecmp(selector, keyfuncs[kfid].name,
5152                     SWM_FUNCNAME_LEN) == 0) {
5153                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5154                             selector);
5155                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5156                                 setkeybinding(mod, ks, kfid, NULL);
5157                                 return (0);
5158                         } else
5159                                 return (1);
5160                 }
5161         }
5162         /* search by custom spawn name */
5163         TAILQ_FOREACH(sp, &spawns, entry) {
5164                 if (strcasecmp(selector, sp->name) == 0) {
5165                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5166                             selector);
5167                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5168                                 setkeybinding(mod, ks, kf_spawn_custom,
5169                                     sp->name);
5170                                 return (0);
5171                         } else
5172                                 return (1);
5173                 }
5174         }
5175         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5176         return (1);
5177 }
5178
5179 void
5180 setup_keys(void)
5181 {
5182         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5183         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5184         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5185         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5186         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5187         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5188         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5189         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5190         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5191         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5192         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5193         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5194         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5195         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5196         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5197         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5198         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5199         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5200         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5201         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5202         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5203         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5204         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5205         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5206         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5207         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5208         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5209         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5210         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5211         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5212         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5213         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5214         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5215         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5216         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5217         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5218         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5219         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5220         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5221         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5222         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5223         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5224         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5225         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5226         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5227         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5228         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5229         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5230         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5231         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5232         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5233         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5234         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5235         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5236         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5237         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5238         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5239         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5240         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5241         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5242         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5243         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5244         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5245         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5246         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5247         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5248         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5249         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5250         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5251         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5252         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5253         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5254         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5255         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5256         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5257         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5258         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5259         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5260         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5261         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5262         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5263         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5264         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5265         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5266         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5267         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5268         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5269         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5270         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5271         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5272         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5273         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5274         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5275         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5276         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5277         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5278 #ifdef SWM_DEBUG
5279         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5280 #endif
5281 }
5282
5283 void
5284 clear_keys(void)
5285 {
5286         struct key              *kp;
5287
5288         while (RB_EMPTY(&keys) == 0) {
5289                 kp = RB_ROOT(&keys);
5290                 key_remove(kp);
5291         }
5292 }
5293
5294 int
5295 setkeymapping(char *selector, char *value, int flags)
5296 {
5297         char                    keymapping_file[PATH_MAX];
5298         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5299         if (value[0] == '~')
5300                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5301                     pwd->pw_dir, &value[1]);
5302         else
5303                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5304         clear_keys();
5305         /* load new key bindings; if it fails, revert to default bindings */
5306         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5307                 clear_keys();
5308                 setup_keys();
5309         }
5310         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5311         return (0);
5312 }
5313
5314 void
5315 updatenumlockmask(void)
5316 {
5317         unsigned int            i, j;
5318         XModifierKeymap         *modmap;
5319
5320         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5321         numlockmask = 0;
5322         modmap = XGetModifierMapping(display);
5323         for (i = 0; i < 8; i++)
5324                 for (j = 0; j < modmap->max_keypermod; j++)
5325                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5326                             == XKeysymToKeycode(display, XK_Num_Lock))
5327                                 numlockmask = (1 << i);
5328
5329         XFreeModifiermap(modmap);
5330 }
5331
5332 void
5333 grabkeys(void)
5334 {
5335         unsigned int            j, k;
5336         KeyCode                 code;
5337         unsigned int            modifiers[] =
5338             { 0, LockMask, numlockmask, numlockmask | LockMask };
5339         struct key              *kp;
5340
5341         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5342         updatenumlockmask();
5343
5344         for (k = 0; k < ScreenCount(display); k++) {
5345                 if (TAILQ_EMPTY(&screens[k].rl))
5346                         continue;
5347                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
5348                 RB_FOREACH(kp, key_tree, &keys) {
5349                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5350                                 for (j = 0; j < LENGTH(modifiers); j++)
5351                                         XGrabKey(display, code,
5352                                             kp->mod | modifiers[j],
5353                                             screens[k].root, True,
5354                                             GrabModeAsync, GrabModeAsync);
5355                 }
5356         }
5357 }
5358
5359 void
5360 grabbuttons(struct ws_win *win, int focused)
5361 {
5362         unsigned int            i, j;
5363         unsigned int            modifiers[] =
5364             { 0, LockMask, numlockmask, numlockmask|LockMask };
5365
5366         updatenumlockmask();
5367         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5368         if (focused) {
5369                 for (i = 0; i < LENGTH(buttons); i++)
5370                         if (buttons[i].action == client_click)
5371                                 for (j = 0; j < LENGTH(modifiers); j++)
5372                                         XGrabButton(display, buttons[i].button,
5373                                             buttons[i].mask | modifiers[j],
5374                                             win->id, False, BUTTONMASK,
5375                                             GrabModeAsync, GrabModeSync, None,
5376                                             None);
5377         } else
5378                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5379                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5380 }
5381
5382 const char *quirkname[] = {
5383         "NONE",         /* config string for "no value" */
5384         "FLOAT",
5385         "TRANSSZ",
5386         "ANYWHERE",
5387         "XTERM_FONTADJ",
5388         "FULLSCREEN",
5389         "FOCUSPREV",
5390 };
5391
5392 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5393 #define SWM_Q_WS                "\n|+ \t"
5394 int
5395 parsequirks(char *qstr, unsigned long *quirk)
5396 {
5397         char                    *cp, *name;
5398         int                     i;
5399
5400         if (quirk == NULL)
5401                 return (1);
5402
5403         cp = qstr;
5404         *quirk = 0;
5405         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5406                 if (cp)
5407                         cp += (long)strspn(cp, SWM_Q_WS);
5408                 for (i = 0; i < LENGTH(quirkname); i++) {
5409                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5410                                 DNPRINTF(SWM_D_QUIRK,
5411                                     "parsequirks: %s\n", name);
5412                                 if (i == 0) {
5413                                         *quirk = 0;
5414                                         return (0);
5415                                 }
5416                                 *quirk |= 1 << (i-1);
5417                                 break;
5418                         }
5419                 }
5420                 if (i >= LENGTH(quirkname)) {
5421                         DNPRINTF(SWM_D_QUIRK,
5422                             "parsequirks: invalid quirk [%s]\n", name);
5423                         return (1);
5424                 }
5425         }
5426         return (0);
5427 }
5428
5429 void
5430 quirk_insert(const char *class, const char *name, unsigned long quirk)
5431 {
5432         struct quirk            *qp;
5433
5434         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5435             quirk);
5436
5437         if ((qp = malloc(sizeof *qp)) == NULL)
5438                 err(1, "quirk_insert: malloc");
5439         if ((qp->class = strdup(class)) == NULL)
5440                 err(1, "quirk_insert: strdup");
5441         if ((qp->name = strdup(name)) == NULL)
5442                 err(1, "quirk_insert: strdup");
5443
5444         qp->quirk = quirk;
5445         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5446
5447         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5448 }
5449
5450 void
5451 quirk_remove(struct quirk *qp)
5452 {
5453         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5454             qp->name, qp->quirk);
5455
5456         TAILQ_REMOVE(&quirks, qp, entry);
5457         free(qp->class);
5458         free(qp->name);
5459         free(qp);
5460
5461         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5462 }
5463
5464 void
5465 quirk_replace(struct quirk *qp, const char *class, const char *name,
5466     unsigned long quirk)
5467 {
5468         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5469             qp->name, qp->quirk);
5470
5471         quirk_remove(qp);
5472         quirk_insert(class, name, quirk);
5473
5474         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5475 }
5476
5477 void
5478 setquirk(const char *class, const char *name, unsigned long quirk)
5479 {
5480         struct quirk            *qp;
5481
5482         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5483            quirk);
5484
5485         TAILQ_FOREACH(qp, &quirks, entry) {
5486                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5487                         if (!quirk)
5488                                 quirk_remove(qp);
5489                         else
5490                                 quirk_replace(qp, class, name, quirk);
5491                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5492                         return;
5493                 }
5494         }
5495         if (!quirk) {
5496                 warnx("error: setquirk: cannot find class/name combination");
5497                 return;
5498         }
5499
5500         quirk_insert(class, name, quirk);
5501         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5502 }
5503
5504 int
5505 setconfquirk(char *selector, char *value, int flags)
5506 {
5507         char                    *cp, *class, *name;
5508         int                     retval;
5509         unsigned long           quirks;
5510         if (selector == NULL)
5511                 return (0);
5512         if ((cp = strchr(selector, ':')) == NULL)
5513                 return (0);
5514         *cp = '\0';
5515         class = selector;
5516         name = cp + 1;
5517         if ((retval = parsequirks(value, &quirks)) == 0)
5518                 setquirk(class, name, quirks);
5519         return (retval);
5520 }
5521
5522 void
5523 setup_quirks(void)
5524 {
5525         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5526         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5527         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5528         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5529         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5530         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5531         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5532         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5533         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5534         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5535         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5536         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5537         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5538 }
5539
5540 /* conf file stuff */
5541 #define SWM_CONF_FILE           "spectrwm.conf"
5542 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5543
5544 enum {
5545         SWM_S_BAR_ACTION,
5546         SWM_S_BAR_AT_BOTTOM,
5547         SWM_S_BAR_BORDER_WIDTH,
5548         SWM_S_BAR_DELAY,
5549         SWM_S_BAR_ENABLED,
5550         SWM_S_BAR_FONT,
5551         SWM_S_BAR_FORMAT,
5552         SWM_S_BAR_JUSTIFY,
5553         SWM_S_BORDER_WIDTH,
5554         SWM_S_CLOCK_ENABLED,
5555         SWM_S_CLOCK_FORMAT,
5556         SWM_S_CYCLE_EMPTY,
5557         SWM_S_CYCLE_VISIBLE,
5558         SWM_S_DIALOG_RATIO,
5559         SWM_S_DISABLE_BORDER,
5560         SWM_S_FOCUS_CLOSE,
5561         SWM_S_FOCUS_CLOSE_WRAP,
5562         SWM_S_FOCUS_DEFAULT,
5563         SWM_S_FOCUS_MODE,
5564         SWM_S_SPAWN_ORDER,
5565         SWM_S_SPAWN_TERM,
5566         SWM_S_SS_APP,
5567         SWM_S_SS_ENABLED,
5568         SWM_S_STACK_ENABLED,
5569         SWM_S_TERM_WIDTH,
5570         SWM_S_TITLE_CLASS_ENABLED,
5571         SWM_S_TITLE_NAME_ENABLED,
5572         SWM_S_URGENT_ENABLED,
5573         SWM_S_VERBOSE_LAYOUT,
5574         SWM_S_WINDOW_NAME_ENABLED,
5575         SWM_S_WORKSPACE_LIMIT
5576 };
5577
5578 int
5579 setconfvalue(char *selector, char *value, int flags)
5580 {
5581         int     i;
5582         char    *b;
5583
5584         switch (flags) {
5585         case SWM_S_BAR_ACTION:
5586                 free(bar_argv[0]);
5587                 if ((bar_argv[0] = strdup(value)) == NULL)
5588                         err(1, "setconfvalue: bar_action");
5589                 break;
5590         case SWM_S_BAR_AT_BOTTOM:
5591                 bar_at_bottom = atoi(value);
5592                 break;
5593         case SWM_S_BAR_BORDER_WIDTH:
5594                 bar_border_width = atoi(value);
5595                 if (bar_border_width < 0)
5596                         bar_border_width = 0;
5597                 break;
5598         case SWM_S_BAR_DELAY:
5599                 bar_delay = atoi(value);
5600                 break;
5601         case SWM_S_BAR_ENABLED:
5602                 bar_enabled = atoi(value);
5603                 break;
5604         case SWM_S_BAR_FONT:
5605                 b = bar_fonts;
5606                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5607                         err(1, "setconfvalue: asprintf: failed to allocate "
5608                                 "memory for bar_fonts.");
5609
5610                 free(b);
5611                 break;
5612         case SWM_S_BAR_FORMAT:
5613                 free(bar_format);
5614                 if ((bar_format = strdup(value)) == NULL)
5615                         err(1, "setconfvalue: bar_format");
5616                 break;
5617         case SWM_S_BAR_JUSTIFY:
5618                 if (!strcmp(value, "left"))
5619                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5620                 else if (!strcmp(value, "center"))
5621                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5622                 else if (!strcmp(value, "right"))
5623                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5624                 else
5625                         errx(1, "invalid bar_justify");
5626                 break;
5627         case SWM_S_BORDER_WIDTH:
5628                 border_width = atoi(value);
5629                 if (border_width < 0)
5630                         border_width = 0;
5631                 break;
5632         case SWM_S_CLOCK_ENABLED:
5633                 clock_enabled = atoi(value);
5634                 break;
5635         case SWM_S_CLOCK_FORMAT:
5636 #ifndef SWM_DENY_CLOCK_FORMAT
5637                 free(clock_format);
5638                 if ((clock_format = strdup(value)) == NULL)
5639                         err(1, "setconfvalue: clock_format");
5640 #endif
5641                 break;
5642         case SWM_S_CYCLE_EMPTY:
5643                 cycle_empty = atoi(value);
5644                 break;
5645         case SWM_S_CYCLE_VISIBLE:
5646                 cycle_visible = atoi(value);
5647                 break;
5648         case SWM_S_DIALOG_RATIO:
5649                 dialog_ratio = atof(value);
5650                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5651                         dialog_ratio = .6;
5652                 break;
5653         case SWM_S_DISABLE_BORDER:
5654                 disable_border = atoi(value);
5655                 break;
5656         case SWM_S_FOCUS_CLOSE:
5657                 if (!strcmp(value, "first"))
5658                         focus_close = SWM_STACK_BOTTOM;
5659                 else if (!strcmp(value, "last"))
5660                         focus_close = SWM_STACK_TOP;
5661                 else if (!strcmp(value, "next"))
5662                         focus_close = SWM_STACK_ABOVE;
5663                 else if (!strcmp(value, "previous"))
5664                         focus_close = SWM_STACK_BELOW;
5665                 else
5666                         errx(1, "focus_close");
5667                 break;
5668         case SWM_S_FOCUS_CLOSE_WRAP:
5669                 focus_close_wrap = atoi(value);
5670                 break;
5671         case SWM_S_FOCUS_DEFAULT:
5672                 if (!strcmp(value, "last"))
5673                         focus_default = SWM_STACK_TOP;
5674                 else if (!strcmp(value, "first"))
5675                         focus_default = SWM_STACK_BOTTOM;
5676                 else
5677                         errx(1, "focus_default");
5678                 break;
5679         case SWM_S_FOCUS_MODE:
5680                 if (!strcmp(value, "default"))
5681                         focus_mode = SWM_FOCUS_DEFAULT;
5682                 else if (!strcmp(value, "follow_cursor"))
5683                         focus_mode = SWM_FOCUS_FOLLOW;
5684                 else if (!strcmp(value, "synergy"))
5685                         focus_mode = SWM_FOCUS_SYNERGY;
5686                 else
5687                         errx(1, "focus_mode");
5688                 break;
5689         case SWM_S_SPAWN_ORDER:
5690                 if (!strcmp(value, "first"))
5691                         spawn_position = SWM_STACK_BOTTOM;
5692                 else if (!strcmp(value, "last"))
5693                         spawn_position = SWM_STACK_TOP;
5694                 else if (!strcmp(value, "next"))
5695                         spawn_position = SWM_STACK_ABOVE;
5696                 else if (!strcmp(value, "previous"))
5697                         spawn_position = SWM_STACK_BELOW;
5698                 else
5699                         errx(1, "spawn_position");
5700                 break;
5701         case SWM_S_SPAWN_TERM:
5702                 setconfspawn("term", value, 0);
5703                 setconfspawn("spawn_term", value, 0);
5704                 break;
5705         case SWM_S_SS_APP:
5706                 break;
5707         case SWM_S_SS_ENABLED:
5708                 ss_enabled = atoi(value);
5709                 break;
5710         case SWM_S_STACK_ENABLED:
5711                 stack_enabled = atoi(value);
5712                 break;
5713         case SWM_S_TERM_WIDTH:
5714                 term_width = atoi(value);
5715                 if (term_width < 0)
5716                         term_width = 0;
5717                 break;
5718         case SWM_S_TITLE_CLASS_ENABLED:
5719                 title_class_enabled = atoi(value);
5720                 break;
5721         case SWM_S_TITLE_NAME_ENABLED:
5722                 title_name_enabled = atoi(value);
5723                 break;
5724         case SWM_S_URGENT_ENABLED:
5725                 urgent_enabled = atoi(value);
5726                 break;
5727         case SWM_S_VERBOSE_LAYOUT:
5728                 verbose_layout = atoi(value);
5729                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5730                         if (verbose_layout)
5731                                 layouts[i].l_string = fancy_stacker;
5732                         else
5733                                 layouts[i].l_string = plain_stacker;
5734                 }
5735                 break;
5736         case SWM_S_WINDOW_NAME_ENABLED:
5737                 window_name_enabled = atoi(value);
5738                 break;
5739         case SWM_S_WORKSPACE_LIMIT:
5740                 workspace_limit = atoi(value);
5741                 if (workspace_limit > SWM_WS_MAX)
5742                         workspace_limit = SWM_WS_MAX;
5743                 else if (workspace_limit < 1)
5744                         workspace_limit = 1;
5745                 break;
5746         default:
5747                 return (1);
5748         }
5749         return (0);
5750 }
5751
5752 int
5753 setconfmodkey(char *selector, char *value, int flags)
5754 {
5755         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5756                 update_modkey(Mod1Mask);
5757         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5758                 update_modkey(Mod2Mask);
5759         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5760                 update_modkey(Mod3Mask);
5761         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5762                 update_modkey(Mod4Mask);
5763         else
5764                 return (1);
5765         return (0);
5766 }
5767
5768 int
5769 setconfcolor(char *selector, char *value, int flags)
5770 {
5771         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5772         return (0);
5773 }
5774
5775 int
5776 setconfregion(char *selector, char *value, int flags)
5777 {
5778         custom_region(value);
5779         return (0);
5780 }
5781
5782 int
5783 setautorun(char *selector, char *value, int flags)
5784 {
5785         int                     ws_id;
5786         char                    s[1024];
5787         char                    *ap, *sp = s;
5788         union arg               a;
5789         int                     argc = 0;
5790         long                    pid;
5791         struct pid_e            *p;
5792
5793         if (getenv("SWM_STARTED"))
5794                 return (0);
5795
5796         bzero(s, sizeof s);
5797         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5798                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5799         ws_id--;
5800         if (ws_id < 0 || ws_id >= workspace_limit)
5801                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5802
5803         /*
5804          * This is a little intricate
5805          *
5806          * If the pid already exists we simply reuse it because it means it was
5807          * used before AND not claimed by manage_window.  We get away with
5808          * altering it in the parent after INSERT because this can not be a race
5809          */
5810         a.argv = NULL;
5811         while ((ap = strsep(&sp, " \t")) != NULL) {
5812                 if (*ap == '\0')
5813                         continue;
5814                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5815                 argc++;
5816                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5817                         err(1, "setautorun: realloc");
5818                 a.argv[argc - 1] = ap;
5819         }
5820
5821         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5822                 err(1, "setautorun: realloc");
5823         a.argv[argc] = NULL;
5824
5825         if ((pid = fork()) == 0) {
5826                 spawn(ws_id, &a, 1);
5827                 /* NOTREACHED */
5828                 _exit(1);
5829         }
5830         free(a.argv);
5831
5832         /* parent */
5833         p = find_pid(pid);
5834         if (p == NULL) {
5835                 p = calloc(1, sizeof *p);
5836                 if (p == NULL)
5837                         return (1);
5838                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5839         }
5840
5841         p->pid = pid;
5842         p->ws = ws_id;
5843
5844         return (0);
5845 }
5846
5847 int
5848 setlayout(char *selector, char *value, int flags)
5849 {
5850         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5851         int                     st = SWM_V_STACK;
5852         char                    s[1024];
5853         struct workspace        *ws;
5854
5855         if (getenv("SWM_STARTED"))
5856                 return (0);
5857
5858         bzero(s, sizeof s);
5859         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5860             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5861                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5862                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5863                     "<type>'");
5864         ws_id--;
5865         if (ws_id < 0 || ws_id >= workspace_limit)
5866                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5867
5868         if (!strcasecmp(s, "vertical"))
5869                 st = SWM_V_STACK;
5870         else if (!strcasecmp(s, "vertical_flip")) {
5871                 st = SWM_V_STACK;
5872                 f = 1;
5873         } else if (!strcasecmp(s, "horizontal"))
5874                 st = SWM_H_STACK;
5875         else if (!strcasecmp(s, "horizontal_flip")) {
5876                 st = SWM_H_STACK;
5877                 f = 1;
5878         } else if (!strcasecmp(s, "fullscreen"))
5879                 st = SWM_MAX_STACK;
5880         else
5881                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5882                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5883                     "<type>'");
5884
5885         for (i = 0; i < ScreenCount(display); i++) {
5886                 ws = (struct workspace *)&screens[i].ws;
5887                 ws[ws_id].cur_layout = &layouts[st];
5888
5889                 ws[ws_id].always_raise = raise;
5890                 if (st == SWM_MAX_STACK)
5891                         continue;
5892
5893                 /* master grow */
5894                 for (x = 0; x < abs(mg); x++) {
5895                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5896                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5897                             SWM_ARG_ID_MASTERSHRINK);
5898                         stack();
5899                 }
5900                 /* master add */
5901                 for (x = 0; x < abs(ma); x++) {
5902                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5903                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5904                             SWM_ARG_ID_MASTERDEL);
5905                         stack();
5906                 }
5907                 /* stack inc */
5908                 for (x = 0; x < abs(si); x++) {
5909                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5910                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5911                             SWM_ARG_ID_STACKDEC);
5912                         stack();
5913                 }
5914                 /* Apply flip */
5915                 if (f) {
5916                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5917                             SWM_ARG_ID_FLIPLAYOUT);
5918                         stack();
5919                 }
5920         }
5921
5922         return (0);
5923 }
5924
5925 /* config options */
5926 struct config_option {
5927         char                    *optname;
5928         int                     (*func)(char*, char*, int);
5929         int                     funcflags;
5930 };
5931 struct config_option configopt[] = {
5932         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5933         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5934         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5935         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5936         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5937         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5938         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5939         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5940         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5941         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5942         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
5943         { "keyboard_mapping",           setkeymapping,  0 },
5944         { "bind",                       setconfbinding, 0 },
5945         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5946         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5947         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5948         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5949         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5950         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5951         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5952         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
5953         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5954         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5955         { "modkey",                     setconfmodkey,  0 },
5956         { "program",                    setconfspawn,   0 },
5957         { "quirk",                      setconfquirk,   0 },
5958         { "region",                     setconfregion,  0 },
5959         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5960         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5961         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5962         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5963         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5964         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5965         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5966         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5967         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5968         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
5969         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
5970         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
5971         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
5972         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5973         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5974         { "autorun",                    setautorun,     0 },
5975         { "layout",                     setlayout,      0 },
5976 };
5977
5978
5979 int
5980 conf_load(char *filename, int keymapping)
5981 {
5982         FILE                    *config;
5983         char                    *line, *cp, *optsub, *optval;
5984         size_t                  linelen, lineno = 0;
5985         int                     wordlen, i, optind;
5986         struct config_option    *opt;
5987
5988         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5989
5990         if (filename == NULL) {
5991                 warnx("conf_load: no filename");
5992                 return (1);
5993         }
5994         if ((config = fopen(filename, "r")) == NULL) {
5995                 warn("conf_load: fopen: %s", filename);
5996                 return (1);
5997         }
5998
5999         while (!feof(config)) {
6000                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6001                     == NULL) {
6002                         if (ferror(config))
6003                                 err(1, "%s", filename);
6004                         else
6005                                 continue;
6006                 }
6007                 cp = line;
6008                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6009                 if (cp[0] == '\0') {
6010                         /* empty line */
6011                         free(line);
6012                         continue;
6013                 }
6014                 /* get config option */
6015                 wordlen = strcspn(cp, "=[ \t\n");
6016                 if (wordlen == 0) {
6017                         warnx("%s: line %zd: no option found",
6018                             filename, lineno);
6019                         goto out;
6020                 }
6021                 optind = -1;
6022                 for (i = 0; i < LENGTH(configopt); i++) {
6023                         opt = &configopt[i];
6024                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6025                             strlen(opt->optname) == wordlen) {
6026                                 optind = i;
6027                                 break;
6028                         }
6029                 }
6030                 if (optind == -1) {
6031                         warnx("%s: line %zd: unknown option %.*s",
6032                             filename, lineno, wordlen, cp);
6033                         goto out;
6034                 }
6035                 if (keymapping && strcmp(opt->optname, "bind")) {
6036                         warnx("%s: line %zd: invalid option %.*s",
6037                             filename, lineno, wordlen, cp);
6038                         goto out;
6039                 }
6040                 cp += wordlen;
6041                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6042                 /* get [selector] if any */
6043                 optsub = NULL;
6044                 if (*cp == '[') {
6045                         cp++;
6046                         wordlen = strcspn(cp, "]");
6047                         if (*cp != ']') {
6048                                 if (wordlen == 0) {
6049                                         warnx("%s: line %zd: syntax error",
6050                                             filename, lineno);
6051                                         goto out;
6052                                 }
6053
6054                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6055                                     -1) {
6056                                         warnx("%s: line %zd: unable to allocate"
6057                                             "memory for selector", filename,
6058                                             lineno);
6059                                         goto out;
6060                                 }
6061                         }
6062                         cp += wordlen;
6063                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6064                 }
6065                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6066                 /* get RHS value */
6067                 optval = strdup(cp);
6068                 /* call function to deal with it all */
6069                 if (configopt[optind].func(optsub, optval,
6070                     configopt[optind].funcflags) != 0)
6071                         errx(1, "%s: line %zd: invalid data for %s",
6072                             filename, lineno, configopt[optind].optname);
6073                 free(optval);
6074                 free(optsub);
6075                 free(line);
6076         }
6077
6078         fclose(config);
6079         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6080
6081         return (0);
6082
6083 out:
6084         free(line);
6085         fclose(config);
6086         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6087
6088         return (1);
6089 }
6090
6091 void
6092 set_child_transient(struct ws_win *win, Window *trans)
6093 {
6094         struct ws_win           *parent, *w;
6095         XWMHints                *wmh = NULL;
6096         struct swm_region       *r;
6097         struct workspace        *ws;
6098
6099         parent = find_window(win->transient);
6100         if (parent)
6101                 parent->child_trans = win;
6102         else {
6103                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6104                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6105
6106                 if (win->hints == NULL) {
6107                         warnx("no hints for 0x%lx", win->id);
6108                         return;
6109                 }
6110
6111                 r = root_to_region(win->wa.root);
6112                 ws = r->ws;
6113                 /* parent doen't exist in our window list */
6114                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6115                         if (wmh)
6116                                 XFree(wmh);
6117
6118                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6119                                 warnx("can't get hints for 0x%lx", w->id);
6120                                 continue;
6121                         }
6122
6123                         if (win->hints->window_group != wmh->window_group)
6124                                 continue;
6125
6126                         w->child_trans = win;
6127                         win->transient = w->id;
6128                         *trans = w->id;
6129                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6130                             "transient to 0x%lx\n", win->transient);
6131                         break;
6132                 }
6133         }
6134
6135         if (wmh)
6136                 XFree(wmh);
6137 }
6138
6139 long
6140 window_get_pid(Window win)
6141 {
6142         Atom                    actual_type_return;
6143         int                     actual_format_return = 0;
6144         unsigned long           nitems_return = 0;
6145         unsigned long           bytes_after_return = 0;
6146         long                    *pid = NULL;
6147         long                    ret = 0;
6148         const char              *errstr;
6149         unsigned char           *prop = NULL;
6150
6151         if (XGetWindowProperty(display, win,
6152             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
6153             XA_CARDINAL, &actual_type_return, &actual_format_return,
6154             &nitems_return, &bytes_after_return,
6155             (unsigned char**)(void*)&pid) != Success)
6156                 goto tryharder;
6157         if (actual_type_return != XA_CARDINAL)
6158                 goto tryharder;
6159         if (pid == NULL)
6160                 goto tryharder;
6161
6162         ret = *pid;
6163         XFree(pid);
6164
6165         return (ret);
6166
6167 tryharder:
6168         if (XGetWindowProperty(display, win,
6169             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
6170             XA_STRING, &actual_type_return, &actual_format_return,
6171             &nitems_return, &bytes_after_return, &prop) != Success)
6172                 return (0);
6173         if (actual_type_return != XA_STRING)
6174                 return (0);
6175         if (prop == NULL)
6176                 return (0);
6177
6178         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
6179         /* ignore error because strtonum returns 0 anyway */
6180         XFree(prop);
6181
6182         return (ret);
6183 }
6184
6185 struct ws_win *
6186 manage_window(Window id)
6187 {
6188         Window                  trans = 0;
6189         struct workspace        *ws;
6190         struct ws_win           *win, *ww;
6191         int                     format, i, ws_idx, n, border_me = 0;
6192         unsigned long           nitems, bytes;
6193         Atom                    ws_idx_atom = 0, type;
6194         Atom                    *prot = NULL, *pp;
6195         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6196         struct swm_region       *r;
6197         const char              *errstr;
6198         struct pid_e            *p;
6199         struct quirk            *qp;
6200
6201         if ((win = find_window(id)) != NULL)
6202                 return (win);   /* already being managed */
6203
6204         /* see if we are on the unmanaged list */
6205         if ((win = find_unmanaged_window(id)) != NULL) {
6206                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6207                     "window: 0x%lx\n", win->id);
6208                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6209                 if (win->transient)
6210                         set_child_transient(win, &trans);
6211
6212                 if (trans && (ww = find_window(trans)))
6213                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6214                 else if ((ww = win->ws->focus) &&
6215                     spawn_position == SWM_STACK_ABOVE)
6216                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6217                 else if (ww && spawn_position == SWM_STACK_BELOW)
6218                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6219                 else switch (spawn_position) {
6220                 default:
6221                 case SWM_STACK_TOP:
6222                 case SWM_STACK_ABOVE:
6223                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6224                         break;
6225                 case SWM_STACK_BOTTOM:
6226                 case SWM_STACK_BELOW:
6227                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6228                 }
6229
6230                 ewmh_update_actions(win);
6231                 return (win);
6232         }
6233
6234         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6235                 err(1, "manage_window: calloc: failed to allocate memory for "
6236                     "new window");
6237
6238         win->id = id;
6239         win->bordered = 0;
6240
6241         /* see if we need to override the workspace */
6242         p = find_pid(window_get_pid(id));
6243
6244         /* Get all the window data in one shot */
6245         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6246         if (ws_idx_atom) {
6247                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6248                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6249         }
6250         XGetWindowAttributes(display, id, &win->wa);
6251         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6252         win->hints = XGetWMHints(display, id);
6253         XGetTransientForHint(display, id, &trans);
6254         if (trans) {
6255                 win->transient = trans;
6256                 set_child_transient(win, &trans);
6257                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6258                     "transient: 0x%lx\n", win->id, win->transient);
6259         }
6260
6261         /* get supported protocols */
6262         if (XGetWMProtocols(display, id, &prot, &n)) {
6263                 for (i = 0, pp = prot; i < n; i++, pp++) {
6264                         if (*pp == takefocus)
6265                                 win->take_focus = 1;
6266                         if (*pp == adelete)
6267                                 win->can_delete = 1;
6268                 }
6269                 if (prot)
6270                         XFree(prot);
6271         }
6272
6273         win->iconic = get_iconic(win);
6274
6275         /*
6276          * Figure out where to put the window. If it was previously assigned to
6277          * a workspace (either by spawn() or manually moving), and isn't
6278          * transient, * put it in the same workspace
6279          */
6280         r = root_to_region(win->wa.root);
6281         if (p) {
6282                 ws = &r->s->ws[p->ws];
6283                 TAILQ_REMOVE(&pidlist, p, entry);
6284                 free(p);
6285                 p = NULL;
6286         } else if (prop && win->transient == 0) {
6287                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6288                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6289                     &errstr);
6290                 if (errstr) {
6291                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6292                             errstr, prop);
6293                 }
6294                 ws = &r->s->ws[ws_idx];
6295         } else {
6296                 ws = r->ws;
6297                 /* this should launch transients in the same ws as parent */
6298                 if (id && trans)
6299                         if ((ww = find_window(trans)) != NULL)
6300                                 if (ws->r) {
6301                                         ws = ww->ws;
6302                                         if (ww->ws->r)
6303                                                 r = ww->ws->r;
6304                                         else
6305                                                 warnx("manage_window: fix this "
6306                                                     "bug mcbride");
6307                                         border_me = 1;
6308                                 }
6309         }
6310
6311         /* set up the window layout */
6312         win->id = id;
6313         win->ws = ws;
6314         win->s = r->s;  /* this never changes */
6315         if (trans && (ww = find_window(trans)))
6316                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6317         else if (spawn_position == SWM_STACK_ABOVE && win->ws->focus)
6318                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win, entry);
6319         else
6320                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
6321
6322         /* ignore window border if there is one. */
6323         WIDTH(win) = win->wa.width;
6324         HEIGHT(win) = win->wa.height;
6325         X(win) = win->wa.x + win->wa.border_width;
6326         Y(win) = win->wa.y + win->wa.border_width;
6327         win->bordered = 0;
6328         win->g_floatvalid = 0;
6329         win->floatmaxed = 0;
6330         win->ewmh_flags = 0;
6331
6332         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6333             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6334             HEIGHT(win), ws->idx);
6335
6336         constrain_window(win, r, 0);
6337
6338         /* Set window properties so we can remember this after reincarnation */
6339         if (ws_idx_atom && prop == NULL &&
6340             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6341                 SWM_PROPLEN) {
6342                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6343                     ws_idx_str);
6344                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6345                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6346         }
6347         if (prop)
6348                 XFree(prop);
6349
6350         ewmh_autoquirk(win);
6351
6352         if (XGetClassHint(display, win->id, &win->ch)) {
6353                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6354                     win->ch.res_class, win->ch.res_name);
6355
6356                 /* java is retarded so treat it special */
6357                 if (strstr(win->ch.res_name, "sun-awt")) {
6358                         win->java = 1;
6359                         border_me = 1;
6360                 }
6361
6362                 TAILQ_FOREACH(qp, &quirks, entry) {
6363                         if (!strcmp(win->ch.res_class, qp->class) &&
6364                             !strcmp(win->ch.res_name, qp->name)) {
6365                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6366                                     "class: %s, name: %s\n", win->ch.res_class,
6367                                     win->ch.res_name);
6368                                 if (qp->quirk & SWM_Q_FLOAT) {
6369                                         win->floating = 1;
6370                                         border_me = 1;
6371                                 }
6372                                 win->quirks = qp->quirk;
6373                         }
6374                 }
6375         }
6376
6377         /* alter window position if quirky */
6378         if (win->quirks & SWM_Q_ANYWHERE) {
6379                 win->manual = 1; /* don't center the quirky windows */
6380                 if (bar_enabled && Y(win) < bar_height)
6381                         Y(win) = bar_height;
6382                 if (WIDTH(win) + X(win) > WIDTH(r))
6383                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6384                 border_me = 1;
6385         }
6386
6387         /* Reset font sizes (the bruteforce way; no default keybinding). */
6388         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6389                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6390                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6391                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6392                         fake_keypress(win, XK_KP_Add, ShiftMask);
6393         }
6394
6395         ewmh_get_win_state(win);
6396         ewmh_update_actions(win);
6397         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6398
6399         /* border me */
6400         if (border_me) {
6401                 win->bordered = 1;
6402                 X(win) -= border_width;
6403                 Y(win) -= border_width;
6404                 update_window(win);
6405         }
6406
6407         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6408             PropertyChangeMask | StructureNotifyMask);
6409
6410         /* floaters need to be mapped if they are in the current workspace */
6411         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6412                 XMapRaised(display, win->id);
6413
6414         return (win);
6415 }
6416
6417 void
6418 free_window(struct ws_win *win)
6419 {
6420         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6421
6422         if (win == NULL)
6423                 return;
6424
6425         /* needed for restart wm */
6426         set_win_state(win, WithdrawnState);
6427
6428         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6429
6430         if (win->ch.res_class)
6431                 XFree(win->ch.res_class);
6432         if (win->ch.res_name)
6433                 XFree(win->ch.res_name);
6434
6435         kill_refs(win);
6436
6437         /* paint memory */
6438         memset(win, 0xff, sizeof *win); /* XXX kill later */
6439
6440         free(win);
6441 }
6442
6443 void
6444 unmanage_window(struct ws_win *win)
6445 {
6446         struct ws_win           *parent;
6447
6448         if (win == NULL)
6449                 return;
6450
6451         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6452
6453         if (win->transient) {
6454                 parent = find_window(win->transient);
6455                 if (parent)
6456                         parent->child_trans = NULL;
6457         }
6458
6459         /* focus on root just in case */
6460         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6461
6462         focus_prev(win);
6463
6464         if (win->hints) {
6465                 XFree(win->hints);
6466                 win->hints = NULL;
6467         }
6468
6469         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6470         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6471 }
6472
6473 void
6474 focus_magic(struct ws_win *win)
6475 {
6476         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6477
6478         if (win == NULL) {
6479                 /* if there are no windows clear the status-bar */
6480                 bar_update();
6481                 return;
6482         }
6483
6484         if (win->child_trans) {
6485                 /* win = parent & has a transient so focus on that */
6486                 if (win->java) {
6487                         focus_win(win->child_trans);
6488                         if (win->child_trans->take_focus)
6489                                 client_msg(win, takefocus);
6490                 } else {
6491                         /* make sure transient hasn't disappeared */
6492                         if (validate_win(win->child_trans) == 0) {
6493                                 focus_win(win->child_trans);
6494                                 if (win->child_trans->take_focus)
6495                                         client_msg(win->child_trans, takefocus);
6496                         } else {
6497                                 win->child_trans = NULL;
6498                                 focus_win(win);
6499                                 if (win->take_focus)
6500                                         client_msg(win, takefocus);
6501                         }
6502                 }
6503         } else {
6504                 /* regular focus */
6505                 focus_win(win);
6506                 if (win->take_focus)
6507                         client_msg(win, takefocus);
6508         }
6509 }
6510
6511 void
6512 expose(XEvent *e)
6513 {
6514         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6515 }
6516
6517 void
6518 keypress(XEvent *e)
6519 {
6520         KeySym                  keysym;
6521         XKeyEvent               *ev = &e->xkey;
6522         struct key              *kp;
6523         struct swm_region       *r;
6524
6525         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6526         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6527                 return;
6528         if (keyfuncs[kp->funcid].func == NULL)
6529                 return;
6530
6531         r = root_to_region(ev->root);
6532         if (kp->funcid == kf_spawn_custom)
6533                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6534         else
6535                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6536 }
6537
6538 void
6539 buttonpress(XEvent *e)
6540 {
6541         struct ws_win           *win;
6542         int                     i, action;
6543         XButtonPressedEvent     *ev = &e->xbutton;
6544
6545         if ((win = find_window(ev->window)) == NULL)
6546                 return;
6547
6548         focus_magic(win);
6549         action = client_click;
6550
6551         for (i = 0; i < LENGTH(buttons); i++)
6552                 if (action == buttons[i].action && buttons[i].func &&
6553                     buttons[i].button == ev->button &&
6554                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6555                         buttons[i].func(win, &buttons[i].args);
6556 }
6557
6558 void
6559 configurerequest(XEvent *e)
6560 {
6561         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6562         struct ws_win           *win;
6563         int                     new = 0;
6564         XWindowChanges          wc;
6565
6566         if ((win = find_window(ev->window)) == NULL)
6567                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6568                         new = 1;
6569
6570         if (new) {
6571                 bzero(&wc, sizeof wc);
6572                 wc.x = ev->x;
6573                 wc.y = ev->y;
6574                 wc.width = ev->width;
6575                 wc.height = ev->height;
6576                 wc.border_width = ev->border_width;
6577                 wc.sibling = ev->above;
6578                 wc.stack_mode = ev->detail;
6579
6580                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6581                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6582                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6583
6584                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6585         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6586             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6587                 win->g_float.x = ev->x - X(win->ws->r);
6588                 win->g_float.y = ev->y - Y(win->ws->r);
6589                 win->g_float.w = ev->width;
6590                 win->g_float.h = ev->height;
6591                 win->g_floatvalid = 1;
6592
6593                 if (win->floating) {
6594                         win->g = win->g_float;
6595                         win->g.x += X(win->ws->r);
6596                         win->g.y += Y(win->ws->r);
6597                         update_window(win);
6598                 } else {
6599                         config_win(win, ev);
6600                 }
6601         } else {
6602                 config_win(win, ev);
6603         }
6604 }
6605
6606 void
6607 configurenotify(XEvent *e)
6608 {
6609         struct ws_win           *win;
6610
6611         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6612             e->xconfigure.window);
6613
6614         win = find_window(e->xconfigure.window);
6615         if (win) {
6616                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6617                 adjust_font(win);
6618                 if (font_adjusted)
6619                         stack();
6620                 if (focus_mode == SWM_FOCUS_DEFAULT)
6621                         drain_enter_notify();
6622         }
6623 }
6624
6625 void
6626 destroynotify(XEvent *e)
6627 {
6628         struct ws_win           *win;
6629         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6630
6631         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6632
6633         if ((win = find_window(ev->window)) == NULL) {
6634                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6635                         return;
6636                 free_window(win);
6637                 return;
6638         }
6639
6640         /* make sure we focus on something */
6641         win->floating = 0;
6642
6643         unmanage_window(win);
6644         stack();
6645         if (focus_mode == SWM_FOCUS_DEFAULT)
6646                 drain_enter_notify();
6647         free_window(win);
6648 }
6649
6650 void
6651 enternotify(XEvent *e)
6652 {
6653         XCrossingEvent          *ev = &e->xcrossing;
6654         XEvent                  cne;
6655         struct ws_win           *win;
6656 #if 0
6657         struct ws_win           *w;
6658         Window                  focus_return;
6659         int                     revert_to_return;
6660 #endif
6661         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6662             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6663             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6664             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6665
6666         if (ev->mode != NotifyNormal) {
6667                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6668                     "cursor grab.\n");
6669                 return;
6670         }
6671
6672         switch (focus_mode) {
6673         case SWM_FOCUS_DEFAULT:
6674                 break;
6675         case SWM_FOCUS_FOLLOW:
6676                 break;
6677         case SWM_FOCUS_SYNERGY:
6678 #if 0
6679         /*
6680          * all these checks need to be in this order because the
6681          * XCheckTypedWindowEvent relies on weeding out the previous events
6682          *
6683          * making this code an option would enable a follow mouse for focus
6684          * feature
6685          */
6686
6687         /*
6688          * state is set when we are switching workspaces and focus is set when
6689          * the window or a subwindow already has focus (occurs during restart).
6690          *
6691          * Only honor the focus flag if last_focus_event is not FocusOut,
6692          * this allows spectrwm to continue to control focus when another
6693          * program is also playing with it.
6694          */
6695         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6696                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6697                 return;
6698         }
6699
6700         /*
6701          * happens when a window is created or destroyed and the border
6702          * crosses the mouse pointer and when switching ws
6703          *
6704          * we need the subwindow test to see if we came from root in order
6705          * to give focus to floaters
6706          */
6707         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6708             ev->subwindow == 0) {
6709                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6710                 return;
6711         }
6712
6713         /* this window already has focus */
6714         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6715                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6716                 return;
6717         }
6718
6719         /* this window is being deleted or moved to another ws */
6720         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6721             &cne) == True) {
6722                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6723                 XPutBackEvent(display, &cne);
6724                 return;
6725         }
6726
6727         if ((win = find_window(ev->window)) == NULL) {
6728                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6729                 return;
6730         }
6731
6732         /*
6733          * In fullstack kill all enters unless they come from a different ws
6734          * (i.e. another region) or focus has been grabbed externally.
6735          */
6736         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6737             last_focus_event != FocusOut) {
6738                 XGetInputFocus(display, &focus_return, &revert_to_return);
6739                 if ((w = find_window(focus_return)) == NULL ||
6740                     w->ws == win->ws) {
6741                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6742                         return;
6743                 }
6744         }
6745 #endif
6746                 break;
6747         }
6748
6749         if ((win = find_window(ev->window)) == NULL) {
6750                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6751                 return;
6752         }
6753
6754         /*
6755          * if we have more enternotifies let them handle it in due time
6756          */
6757         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6758                 DNPRINTF(SWM_D_EVENT,
6759                     "ignoring enternotify: got more enternotify\n");
6760                 XPutBackEvent(display, &cne);
6761                 return;
6762         }
6763
6764         focus_magic(win);
6765 }
6766
6767 /* lets us use one switch statement for arbitrary mode/detail combinations */
6768 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6769
6770 void
6771 focusevent(XEvent *e)
6772 {
6773 #if 0
6774         struct ws_win           *win;
6775         u_int32_t               mode_detail;
6776         XFocusChangeEvent       *ev = &e->xfocus;
6777
6778         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6779             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6780             ev->window, ev->mode, ev->detail);
6781
6782         if (last_focus_event == ev->type) {
6783                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6784                 return;
6785         }
6786
6787         last_focus_event = ev->type;
6788         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6789
6790         switch (mode_detail) {
6791         /* synergy client focus operations */
6792         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6793         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6794
6795         /* synergy server focus operations */
6796         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6797
6798         /* Entering applications like rdesktop that mangle the pointer */
6799         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6800
6801                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6802                         XSetWindowBorder(display, win->id,
6803                             win->ws->r->s->c[ev->type == FocusIn ?
6804                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6805                 break;
6806         default:
6807                 warnx("ignoring focusevent");
6808                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6809                 break;
6810         }
6811 #endif
6812 }
6813
6814 void
6815 mapnotify(XEvent *e)
6816 {
6817         struct ws_win           *win;
6818         XMapEvent               *ev = &e->xmap;
6819
6820         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6821
6822         win = manage_window(ev->window);
6823         if (win)
6824                 set_win_state(win, NormalState);
6825
6826         /*
6827          * focus_win can only set input focus on a mapped window.
6828          * make sure the window really has focus since it is just being mapped.
6829          */
6830         if (win->ws->focus == win)
6831                 focus_win(win);
6832 }
6833
6834 void
6835 mappingnotify(XEvent *e)
6836 {
6837         XMappingEvent           *ev = &e->xmapping;
6838
6839         XRefreshKeyboardMapping(ev);
6840         if (ev->request == MappingKeyboard)
6841                 grabkeys();
6842 }
6843
6844 void
6845 maprequest(XEvent *e)
6846 {
6847         struct ws_win           *win;
6848         struct swm_region       *r;
6849         XWindowAttributes       wa;
6850         XMapRequestEvent        *ev = &e->xmaprequest;
6851
6852         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6853             e->xmaprequest.window);
6854
6855         if (!XGetWindowAttributes(display, ev->window, &wa))
6856                 return;
6857         if (wa.override_redirect)
6858                 return;
6859
6860         win = manage_window(e->xmaprequest.window);
6861         if (win == NULL)
6862                 return; /* can't happen */
6863
6864         stack();
6865
6866         /* make new win focused */
6867         r = root_to_region(win->wa.root);
6868         if (win->ws == r->ws)
6869                 focus_magic(win);
6870 }
6871
6872 void
6873 propertynotify(XEvent *e)
6874 {
6875         struct ws_win           *win;
6876         XPropertyEvent          *ev = &e->xproperty;
6877 #ifdef SWM_DEBUG
6878         char                    *name;
6879         name = XGetAtomName(display, ev->atom);
6880         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6881             ev->window, name);
6882         XFree(name);
6883 #endif
6884
6885         win = find_window(ev->window);
6886         if (win == NULL)
6887                 return;
6888
6889         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6890                 update_iconic(win, 0);
6891                 XMapRaised(display, win->id);
6892                 stack();
6893                 focus_win(win);
6894                 return;
6895         }
6896
6897         switch (ev->atom) {
6898 #if 0
6899         case XA_WM_NORMAL_HINTS:
6900                 long            mask;
6901                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6902                 warnx("normal hints: flag 0x%x", win->sh.flags);
6903                 if (win->sh.flags & PMinSize) {
6904                         WIDTH(win) = win->sh.min_width;
6905                         HEIGHT(win) = win->sh.min_height;
6906                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6907                 }
6908                 XMoveResizeWindow(display, win->id,
6909                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6910 #endif
6911         case XA_WM_CLASS:
6912         case XA_WM_NAME:
6913                 bar_update();
6914                 break;
6915         default:
6916                 break;
6917         }
6918 }
6919
6920 void
6921 unmapnotify(XEvent *e)
6922 {
6923         struct ws_win           *win;
6924
6925         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6926
6927         /* determine if we need to help unmanage this window */
6928         win = find_window(e->xunmap.window);
6929         if (win == NULL)
6930                 return;
6931
6932         if (getstate(e->xunmap.window) == NormalState) {
6933                 unmanage_window(win);
6934                 stack();
6935
6936                 /* giant hack for apps that don't destroy transient windows */
6937                 /* eat a bunch of events to prevent remanaging the window */
6938                 XEvent                  cne;
6939                 while (XCheckWindowEvent(display, e->xunmap.window,
6940                     EnterWindowMask, &cne))
6941                         ;
6942                 while (XCheckWindowEvent(display, e->xunmap.window,
6943                     StructureNotifyMask, &cne))
6944                         ;
6945                 while (XCheckWindowEvent(display, e->xunmap.window,
6946                     SubstructureNotifyMask, &cne))
6947                         ;
6948                 /* resend unmap because we ated it */
6949                 XUnmapWindow(display, e->xunmap.window);
6950         }
6951
6952         if (focus_mode == SWM_FOCUS_DEFAULT)
6953                 drain_enter_notify();
6954 }
6955
6956 void
6957 visibilitynotify(XEvent *e)
6958 {
6959         int                     i;
6960         struct swm_region       *r;
6961
6962         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6963             e->xvisibility.window);
6964         if (e->xvisibility.state == VisibilityUnobscured)
6965                 for (i = 0; i < ScreenCount(display); i++)
6966                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6967                                 if (e->xvisibility.window == WINID(r->bar))
6968                                         bar_update();
6969 }
6970
6971 void
6972 clientmessage(XEvent *e)
6973 {
6974         XClientMessageEvent *ev;
6975         struct ws_win *win;
6976
6977         ev = &e->xclient;
6978
6979         win = find_window(ev->window);
6980         if (win == NULL)
6981                 return;
6982
6983         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6984             ev->window, ev->message_type);
6985
6986         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6987                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6988                 focus_win(win);
6989         }
6990         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6991                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6992                 if (win->can_delete)
6993                         client_msg(win, adelete);
6994                 else
6995                         XKillClient(display, win->id);
6996         }
6997         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6998                 DNPRINTF(SWM_D_EVENT,
6999                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7000                 if (win->floating) {
7001                         if (ev->data.l[0] & (1<<8)) /* x */
7002                                 X(win) = ev->data.l[1];
7003                         if (ev->data.l[0] & (1<<9)) /* y */
7004                                 Y(win) = ev->data.l[2];
7005                         if (ev->data.l[0] & (1<<10)) /* width */
7006                                 WIDTH(win) = ev->data.l[3];
7007                         if (ev->data.l[0] & (1<<11)) /* height */
7008                                 HEIGHT(win) = ev->data.l[4];
7009
7010                         update_window(win);
7011                 }
7012                 else {
7013                         /* TODO: Change stack sizes */
7014                         /* notify no change was made. */
7015                         config_win(win, NULL);
7016                 }
7017         }
7018         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7019                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7020                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7021                 if (ev->data.l[2])
7022                         ewmh_update_win_state(win, ev->data.l[2],
7023                             ev->data.l[0]);
7024
7025                 stack();
7026         }
7027 }
7028
7029 int
7030 xerror_start(Display *d, XErrorEvent *ee)
7031 {
7032         other_wm = 1;
7033         return (-1);
7034 }
7035
7036 int
7037 xerror(Display *d, XErrorEvent *ee)
7038 {
7039         /* warnx("error: %p %p", display, ee); */
7040         return (-1);
7041 }
7042
7043 int
7044 active_wm(void)
7045 {
7046         other_wm = 0;
7047         xerrorxlib = XSetErrorHandler(xerror_start);
7048
7049         /* this causes an error if some other window manager is running */
7050         XSelectInput(display, DefaultRootWindow(display),
7051             SubstructureRedirectMask);
7052         XSync(display, False);
7053         if (other_wm)
7054                 return (1);
7055
7056         XSetErrorHandler(xerror);
7057         XSync(display, False);
7058         return (0);
7059 }
7060
7061 void
7062 new_region(struct swm_screen *s, int x, int y, int w, int h)
7063 {
7064         struct swm_region       *r, *n;
7065         struct workspace        *ws = NULL;
7066         int                     i;
7067
7068         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7069              s->idx, w, h, x, y);
7070
7071         /* remove any conflicting regions */
7072         n = TAILQ_FIRST(&s->rl);
7073         while (n) {
7074                 r = n;
7075                 n = TAILQ_NEXT(r, entry);
7076                 if (X(r) < (x + w) &&
7077                     (X(r) + WIDTH(r)) > x &&
7078                     Y(r) < (y + h) &&
7079                     (Y(r) + HEIGHT(r)) > y) {
7080                         if (r->ws->r != NULL)
7081                                 r->ws->old_r = r->ws->r;
7082                         r->ws->r = NULL;
7083                         bar_cleanup(r);
7084                         TAILQ_REMOVE(&s->rl, r, entry);
7085                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7086                 }
7087         }
7088
7089         /* search old regions for one to reuse */
7090
7091         /* size + location match */
7092         TAILQ_FOREACH(r, &s->orl, entry)
7093                 if (X(r) == x && Y(r) == y &&
7094                     HEIGHT(r) == h && WIDTH(r) == w)
7095                         break;
7096
7097         /* size match */
7098         TAILQ_FOREACH(r, &s->orl, entry)
7099                 if (HEIGHT(r) == h && WIDTH(r) == w)
7100                         break;
7101
7102         if (r != NULL) {
7103                 TAILQ_REMOVE(&s->orl, r, entry);
7104                 /* try to use old region's workspace */
7105                 if (r->ws->r == NULL)
7106                         ws = r->ws;
7107         } else
7108                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7109                         err(1, "new_region: calloc: failed to allocate memory "
7110                             "for screen");
7111
7112         /* if we don't have a workspace already, find one */
7113         if (ws == NULL) {
7114                 for (i = 0; i < workspace_limit; i++)
7115                         if (s->ws[i].r == NULL) {
7116                                 ws = &s->ws[i];
7117                                 break;
7118                         }
7119         }
7120
7121         if (ws == NULL)
7122                 errx(1, "new_region: no free workspaces");
7123
7124         X(r) = x;
7125         Y(r) = y;
7126         WIDTH(r) = w;
7127         HEIGHT(r) = h;
7128         r->s = s;
7129         r->ws = ws;
7130         r->ws_prior = NULL;
7131         ws->r = r;
7132         outputs++;
7133         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7134 }
7135
7136 void
7137 scan_xrandr(int i)
7138 {
7139 #ifdef SWM_XRR_HAS_CRTC
7140         XRRCrtcInfo             *ci;
7141         XRRScreenResources      *sr;
7142         int                     c;
7143         int                     ncrtc = 0;
7144 #endif /* SWM_XRR_HAS_CRTC */
7145         struct swm_region       *r;
7146
7147
7148         if (i >= ScreenCount(display))
7149                 errx(1, "scan_xrandr: invalid screen");
7150
7151         /* remove any old regions */
7152         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7153                 r->ws->old_r = r->ws->r = NULL;
7154                 bar_cleanup(r);
7155                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7156                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7157         }
7158         outputs = 0;
7159
7160         /* map virtual screens onto physical screens */
7161 #ifdef SWM_XRR_HAS_CRTC
7162         if (xrandr_support) {
7163                 sr = XRRGetScreenResources(display, screens[i].root);
7164                 if (sr == NULL)
7165                         new_region(&screens[i], 0, 0,
7166                             DisplayWidth(display, i),
7167                             DisplayHeight(display, i));
7168                 else
7169                         ncrtc = sr->ncrtc;
7170
7171                 for (c = 0, ci = NULL; c < ncrtc; c++) {
7172                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
7173                         if (ci->noutput == 0)
7174                                 continue;
7175
7176                         if (ci != NULL && ci->mode == None)
7177                                 new_region(&screens[i], 0, 0,
7178                                     DisplayWidth(display, i),
7179                                     DisplayHeight(display, i));
7180                         else
7181                                 new_region(&screens[i],
7182                                     ci->x, ci->y, ci->width, ci->height);
7183                 }
7184                 if (ci)
7185                         XRRFreeCrtcInfo(ci);
7186                 XRRFreeScreenResources(sr);
7187         } else
7188 #endif /* SWM_XRR_HAS_CRTC */
7189         {
7190                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7191                     DisplayHeight(display, i));
7192         }
7193 }
7194
7195 void
7196 screenchange(XEvent *e) {
7197         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7198         struct swm_region               *r;
7199         int                             i;
7200
7201         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7202
7203         if (!XRRUpdateConfiguration(e))
7204                 return;
7205
7206         /* silly event doesn't include the screen index */
7207         for (i = 0; i < ScreenCount(display); i++)
7208                 if (screens[i].root == xe->root)
7209                         break;
7210         if (i >= ScreenCount(display))
7211                 errx(1, "screenchange: screen not found");
7212
7213         /* brute force for now, just re-enumerate the regions */
7214         scan_xrandr(i);
7215
7216         /* add bars to all regions */
7217         for (i = 0; i < ScreenCount(display); i++)
7218                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7219                         bar_setup(r);
7220         stack();
7221         if (focus_mode == SWM_FOCUS_DEFAULT)
7222                 drain_enter_notify();
7223 }
7224
7225 void
7226 grab_windows(void)
7227 {
7228         Window                  d1, d2, *wins = NULL;
7229         XWindowAttributes       wa;
7230         unsigned int            no;
7231         int                     i, j;
7232         long                    state, manage;
7233
7234         for (i = 0; i < ScreenCount(display); i++) {
7235                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
7236                         continue;
7237
7238                 /* attach windows to a region */
7239                 /* normal windows */
7240                 for (j = 0; j < no; j++) {
7241                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7242                             wa.override_redirect ||
7243                             XGetTransientForHint(display, wins[j], &d1))
7244                                 continue;
7245
7246                         state = getstate(wins[j]);
7247                         manage = state == IconicState;
7248                         if (wa.map_state == IsViewable || manage)
7249                                 manage_window(wins[j]);
7250                 }
7251                 /* transient windows */
7252                 for (j = 0; j < no; j++) {
7253                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
7254                             wa.override_redirect)
7255                                 continue;
7256
7257                         state = getstate(wins[j]);
7258                         manage = state == IconicState;
7259                         if (XGetTransientForHint(display, wins[j], &d1) &&
7260                             manage)
7261                                 manage_window(wins[j]);
7262                 }
7263                 if (wins) {
7264                         XFree(wins);
7265                         wins = NULL;
7266                 }
7267         }
7268 }
7269
7270 void
7271 setup_screens(void)
7272 {
7273         int                     i, j, k;
7274         int                     errorbase, major, minor;
7275         struct workspace        *ws;
7276         XGCValues               gcv;
7277
7278         if ((screens = calloc(ScreenCount(display),
7279              sizeof(struct swm_screen))) == NULL)
7280                 err(1, "setup_screens: calloc: failed to allocate memory for "
7281                     "screens");
7282
7283         /* initial Xrandr setup */
7284         xrandr_support = XRRQueryExtension(display,
7285             &xrandr_eventbase, &errorbase);
7286         if (xrandr_support)
7287                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
7288                         xrandr_support = 0;
7289
7290         /* map physical screens */
7291         for (i = 0; i < ScreenCount(display); i++) {
7292                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7293                 screens[i].idx = i;
7294                 TAILQ_INIT(&screens[i].rl);
7295                 TAILQ_INIT(&screens[i].orl);
7296                 screens[i].root = RootWindow(display, i);
7297
7298                 /* set default colors */
7299                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7300                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7301                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7302                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7303                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7304
7305                 /* create graphics context on screen */
7306                 gcv.graphics_exposures = 0;
7307                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7308                     GCGraphicsExposures, &gcv);
7309
7310                 /* set default cursor */
7311                 XDefineCursor(display, screens[i].root,
7312                     XCreateFontCursor(display, XC_left_ptr));
7313
7314                 /* init all workspaces */
7315                 /* XXX these should be dynamically allocated too */
7316                 for (j = 0; j < SWM_WS_MAX; j++) {
7317                         ws = &screens[i].ws[j];
7318                         ws->idx = j;
7319                         ws->name = NULL;
7320                         ws->focus = NULL;
7321                         ws->r = NULL;
7322                         ws->old_r = NULL;
7323                         TAILQ_INIT(&ws->winlist);
7324                         TAILQ_INIT(&ws->unmanagedlist);
7325
7326                         for (k = 0; layouts[k].l_stack != NULL; k++)
7327                                 if (layouts[k].l_config != NULL)
7328                                         layouts[k].l_config(ws,
7329                                             SWM_ARG_ID_STACKINIT);
7330                         ws->cur_layout = &layouts[0];
7331                         ws->cur_layout->l_string(ws);
7332                 }
7333
7334                 scan_xrandr(i);
7335
7336                 if (xrandr_support)
7337                         XRRSelectInput(display, screens[i].root,
7338                             RRScreenChangeNotifyMask);
7339         }
7340 }
7341
7342 void
7343 setup_globals(void)
7344 {
7345         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7346                 err(1, "setup_globals: strdup: failed to allocate memory.");
7347
7348         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7349                 err(1, "setup_globals: strdup: failed to allocate memory.");
7350 }
7351
7352 void
7353 workaround(void)
7354 {
7355         int                     i;
7356         Atom                    netwmcheck, netwmname, utf8_string;
7357         Window                  root, win;
7358
7359         /* work around sun jdk bugs, code from wmname */
7360         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
7361         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7362         utf8_string = XInternAtom(display, "UTF8_STRING", False);
7363         for (i = 0; i < ScreenCount(display); i++) {
7364                 root = screens[i].root;
7365                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7366                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7367                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7368
7369                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
7370                     PropModeReplace, (unsigned char *)&win, 1);
7371                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
7372                     PropModeReplace, (unsigned char *)&win, 1);
7373                 XChangeProperty(display, win, netwmname, utf8_string, 8,
7374                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
7375         }
7376 }
7377
7378 int
7379 main(int argc, char *argv[])
7380 {
7381         struct swm_region       *r, *rr;
7382         struct ws_win           *winfocus = NULL;
7383         struct timeval          tv;
7384         union arg               a;
7385         char                    conf[PATH_MAX], *cfile = NULL;
7386         struct stat             sb;
7387         XEvent                  e;
7388         int                     xfd, i;
7389         fd_set                  rd;
7390         struct sigaction        sact;
7391
7392         start_argv = argv;
7393         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7394         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7395             !XSupportsLocale())
7396                 warnx("no locale support");
7397
7398         if (!X_HAVE_UTF8_STRING)
7399                 warnx("no UTF-8 support");
7400
7401         if (!(display = XOpenDisplay(0)))
7402                 errx(1, "can not open display");
7403
7404         if (active_wm())
7405                 errx(1, "other wm running");
7406
7407         /* handle some signals */
7408         bzero(&sact, sizeof(sact));
7409         sigemptyset(&sact.sa_mask);
7410         sact.sa_flags = 0;
7411         sact.sa_handler = sighdlr;
7412         sigaction(SIGINT, &sact, NULL);
7413         sigaction(SIGQUIT, &sact, NULL);
7414         sigaction(SIGTERM, &sact, NULL);
7415         sigaction(SIGHUP, &sact, NULL);
7416
7417         sact.sa_handler = sighdlr;
7418         sact.sa_flags = SA_NOCLDSTOP;
7419         sigaction(SIGCHLD, &sact, NULL);
7420
7421         astate = XInternAtom(display, "WM_STATE", False);
7422         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
7423         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
7424         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
7425         a_wmname = XInternAtom(display, "WM_NAME", False);
7426         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
7427         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
7428         a_string = XInternAtom(display, "STRING", False);
7429         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
7430
7431         /* look for local and global conf file */
7432         pwd = getpwuid(getuid());
7433         if (pwd == NULL)
7434                 errx(1, "invalid user: %d", getuid());
7435
7436         setup_globals();
7437         setup_screens();
7438         setup_keys();
7439         setup_quirks();
7440         setup_spawn();
7441
7442         /* load config */
7443         for (i = 0; ; i++) {
7444                 conf[0] = '\0';
7445                 switch (i) {
7446                 case 0:
7447                         /* ~ */
7448                         snprintf(conf, sizeof conf, "%s/.%s",
7449                             pwd->pw_dir, SWM_CONF_FILE);
7450                         break;
7451                 case 1:
7452                         /* global */
7453                         snprintf(conf, sizeof conf, "/etc/%s",
7454                             SWM_CONF_FILE);
7455                         break;
7456                 case 2:
7457                         /* ~ compat */
7458                         snprintf(conf, sizeof conf, "%s/.%s",
7459                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7460                         break;
7461                 case 3:
7462                         /* global compat */
7463                         snprintf(conf, sizeof conf, "/etc/%s",
7464                             SWM_CONF_FILE_OLD);
7465                         break;
7466                 default:
7467                         goto noconfig;
7468                 }
7469
7470                 if (strlen(conf) && stat(conf, &sb) != -1)
7471                         if (S_ISREG(sb.st_mode)) {
7472                                 cfile = conf;
7473                                 break;
7474                         }
7475         }
7476 noconfig:
7477
7478         /* load conf (if any) */
7479         if (cfile)
7480                 conf_load(cfile, SWM_CONF_DEFAULT);
7481
7482         setup_ewmh();
7483         /* set some values to work around bad programs */
7484         workaround();
7485         /* grab existing windows (before we build the bars) */
7486         grab_windows();
7487
7488         if (getenv("SWM_STARTED") == NULL)
7489                 setenv("SWM_STARTED", "YES", 1);
7490
7491         /* setup all bars */
7492         for (i = 0; i < ScreenCount(display); i++)
7493                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7494                         if (winfocus == NULL)
7495                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7496                         bar_setup(r);
7497                 }
7498
7499         unfocus_all();
7500
7501         grabkeys();
7502         stack();
7503         if (focus_mode == SWM_FOCUS_DEFAULT)
7504                 drain_enter_notify();
7505
7506         xfd = ConnectionNumber(display);
7507         while (running) {
7508                 while (XPending(display)) {
7509                         XNextEvent(display, &e);
7510                         if (running == 0)
7511                                 goto done;
7512                         if (e.type < LASTEvent) {
7513                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7514                                     "window: 0x%lx, type: %s (%d), %d remaining"
7515                                     "\n", YESNO(handler[e.type]),
7516                                     e.xany.window, geteventname(&e),
7517                                     e.type, QLength(display));
7518
7519                                 if (handler[e.type])
7520                                         handler[e.type](&e);
7521                         } else {
7522                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7523                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7524                                     xrandr_geteventname(&e), e.type);
7525
7526                                 switch (e.type - xrandr_eventbase) {
7527                                 case RRScreenChangeNotify:
7528                                         screenchange(&e);
7529                                         break;
7530                                 default:
7531                                         break;
7532                                 }
7533                         }
7534                 }
7535
7536                 /* if we are being restarted go focus on first window */
7537                 if (winfocus) {
7538                         rr = winfocus->ws->r;
7539                         if (rr == NULL) {
7540                                 /* not a visible window */
7541                                 winfocus = NULL;
7542                                 continue;
7543                         }
7544                         /* move pointer to first screen if multi screen */
7545                         if (ScreenCount(display) > 1 || outputs > 1)
7546                                 XWarpPointer(display, None, rr->s[0].root,
7547                                     0, 0, 0, 0, X(rr),
7548                                     Y(rr) + (bar_enabled ? bar_height : 0));
7549
7550                         a.id = SWM_ARG_ID_FOCUSCUR;
7551                         focus(rr, &a);
7552                         winfocus = NULL;
7553                         continue;
7554                 }
7555
7556                 FD_ZERO(&rd);
7557                 FD_SET(xfd, &rd);
7558                 tv.tv_sec = 1;
7559                 tv.tv_usec = 0;
7560                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7561                         if (errno != EINTR)
7562                                 DNPRINTF(SWM_D_MISC, "select failed");
7563                 if (restart_wm == 1)
7564                         restart(NULL, NULL);
7565                 if (search_resp == 1)
7566                         search_do_resp();
7567                 if (running == 0)
7568                         goto done;
7569                 if (bar_alarm) {
7570                         bar_alarm = 0;
7571                         bar_update();
7572                 }
7573         }
7574 done:
7575         teardown_ewmh();
7576         bar_extra_stop();
7577
7578         for (i = 0; i < ScreenCount(display); ++i)
7579                 if (screens[i].bar_gc != NULL)
7580                         XFreeGC(display, screens[i].bar_gc);
7581
7582         XFreeFontSet(display, bar_fs);
7583         XCloseDisplay(display);
7584
7585         return (0);
7586 }