scrotwm.c

   1 /* $scrotwm$ */
   2 /*
   3  * Copyright (c) 2009 Marco Peereboom <marco@peereboom.us>
   4  * Copyright (c) 2009 Ryan McBride <mcbride@countersiege.com>
   5  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   6  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20 /*
  21  * Much code and ideas taken from dwm under the following license:
  22  * MIT/X Consortium License
  23  *
  24  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  25  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  26  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  27  * 2007 Premysl Hruby <dfenze at gmail dot com>
  28  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  29  * 2007 Christof Musik <christof at sendfax dot de>
  30  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  31  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  32  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  33  *
  34  * Permission is hereby granted, free of charge, to any person obtaining a
  35  * copy of this software and associated documentation files (the "Software"),
  36  * to deal in the Software without restriction, including without limitation
  37  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  38  * and/or sell copies of the Software, and to permit persons to whom the
  39  * Software is furnished to do so, subject to the following conditions:
  40  *
  41  * The above copyright notice and this permission notice shall be included in
  42  * all copies or substantial portions of the Software.
  43  *
  44  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  45  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  46  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  47  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  48  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  49  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  50  * DEALINGS IN THE SOFTWARE.
  51  */
  52
  53 static const char       *cvstag = "$scrotwm$";
  54
  55 #define SWM_VERSION     "1.0"
  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 <ctype.h>
  70
  71 #include <sys/types.h>
  72 #include <sys/time.h>
  73 #include <sys/stat.h>
  74 #include <sys/wait.h>
  75 #include <sys/queue.h>
  76 #include <sys/param.h>
  77 #include <sys/select.h>
  78
  79 #include <X11/cursorfont.h>
  80 #include <X11/keysym.h>
  81 #include <X11/Xatom.h>
  82 #include <X11/Xlib.h>
  83 #include <X11/Xproto.h>
  84 #include <X11/Xutil.h>
  85 #include <X11/extensions/Xrandr.h>
  86
  87 #if RANDR_MAJOR < 1
  88 #  error XRandR versions less than 1.0 are not supported
  89 #endif
  90
  91 #if RANDR_MAJOR >= 1
  92 #if RANDR_MINOR >= 2
  93 #define SWM_XRR_HAS_CRTC
  94 #endif
  95 #endif
  96
  97 /* #define SWM_DEBUG */
  98 #ifdef SWM_DEBUG
  99 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 100 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 101 #define SWM_D_MISC              0x0001
 102 #define SWM_D_EVENT             0x0002
 103 #define SWM_D_WS                0x0004
 104 #define SWM_D_FOCUS             0x0008
 105 #define SWM_D_MOVE              0x0010
 106 #define SWM_D_STACK             0x0020
 107 #define SWM_D_MOUSE             0x0040
 108 #define SWM_D_PROP              0x0080
 109 #define SWM_D_CLASS             0x0100
 110 #define SWM_D_KEY               0x0200
 111 #define SWM_D_QUIRK             0x0400
 112 #define SWM_D_SPAWN             0x0800
 113 #define SWM_D_EVENTQ            0x1000
 114 #define SWM_D_CONF              0x2000
 115
 116 u_int32_t               swm_debug = 0
 117                             | SWM_D_MISC
 118                             | SWM_D_EVENT
 119                             | SWM_D_WS
 120                             | SWM_D_FOCUS
 121                             | SWM_D_MOVE
 122                             | SWM_D_STACK
 123                             | SWM_D_MOUSE
 124                             | SWM_D_PROP
 125                             | SWM_D_CLASS
 126                             | SWM_D_KEY
 127                             | SWM_D_QUIRK
 128                             | SWM_D_SPAWN
 129                             | SWM_D_EVENTQ
 130                             | SWM_D_CONF
 131                             ;
 132 #else
 133 #define DPRINTF(x...)
 134 #define DNPRINTF(n,x...)
 135 #endif
 136
 137 #define LENGTH(x)               (sizeof x / sizeof x[0])
 138 #define MODKEY                  Mod1Mask
 139 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 140 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 141 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 142 #define SWM_PROPLEN             (16)
 143 #define SWM_FUNCNAME_LEN        (32)
 144 #define SWM_KEYS_LEN            (255)
 145 #define SWM_QUIRK_LEN           (64)
 146 #define X(r)                    (r)->g.x
 147 #define Y(r)                    (r)->g.y
 148 #define WIDTH(r)                (r)->g.w
 149 #define HEIGHT(r)               (r)->g.h
 150 #define SWM_MAX_FONT_STEPS      (3)
 151
 152 #ifndef SWM_LIB
 153 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 154 #endif
 155
 156 char                    **start_argv;
 157 Atom                    astate;
 158 Atom                    aprot;
 159 Atom                    adelete;
 160 Atom                    takefocus;
 161 volatile sig_atomic_t   running = 1;
 162 int                     outputs = 0;
 163 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 164 int                     other_wm;
 165 int                     ss_enabled = 0;
 166 int                     xrandr_support;
 167 int                     xrandr_eventbase;
 168 int                     ignore_enter = 0;
 169 unsigned int            numlockmask = 0;
 170 Display                 *display;
 171
 172 int                     cycle_empty = 0;
 173 int                     cycle_visible = 0;
 174 int                     term_width = 0;
 175 int                     font_adjusted = 0;
 176 unsigned int            mod_key = MODKEY;
 177
 178 /* dialog windows */
 179 double                  dialog_ratio = .6;
 180 /* status bar */
 181 #define SWM_BAR_MAX     (256)
 182 char                    *bar_argv[] = { NULL, NULL };
 183 int                     bar_pipe[2];
 184 char                    bar_ext[SWM_BAR_MAX];
 185 char                    bar_vertext[SWM_BAR_MAX];
 186 int                     bar_version = 0;
 187 sig_atomic_t            bar_alarm = 0;
 188 int                     bar_delay = 30;
 189 int                     bar_enabled = 1;
 190 int                     bar_extra = 1;
 191 int                     bar_extra_running = 0;
 192 int                     bar_verbose = 1;
 193 int                     bar_height = 0;
 194 int                     stack_enabled = 1;
 195 int                     clock_enabled = 1;
 196 int                     title_name_enabled = 0;
 197 int                     title_class_enabled = 0;
 198 pid_t                   bar_pid;
 199 GC                      bar_gc;
 200 XGCValues               bar_gcv;
 201 int                     bar_fidx = 0;
 202 XFontStruct             *bar_fs;
 203 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 204 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 205
 206 #define SWM_MENU_FN     (2)
 207 #define SWM_MENU_NB     (4)
 208 #define SWM_MENU_NF     (6)
 209 #define SWM_MENU_SB     (8)
 210 #define SWM_MENU_SF     (10)
 211
 212 /* layout manager data */
 213 struct swm_geometry {
 214         int                     x;
 215         int                     y;
 216         int                     w;
 217         int                     h;
 218 };
 219
 220 struct swm_screen;
 221 struct workspace;
 222
 223 /* virtual "screens" */
 224 struct swm_region {
 225         TAILQ_ENTRY(swm_region) entry;
 226         struct swm_geometry     g;
 227         struct workspace        *ws;    /* current workspace on this region */
 228         struct swm_screen       *s;     /* screen idx */
 229         Window                  bar_window;
 230 };
 231 TAILQ_HEAD(swm_region_list, swm_region);
 232
 233 struct ws_win {
 234         TAILQ_ENTRY(ws_win)     entry;
 235         Window                  id;
 236         Window                  transient;
 237         struct ws_win           *child_trans;   /* transient child window */
 238         struct swm_geometry     g;
 239         int                     floating;
 240         int                     manual;
 241         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 242         int                     font_steps;
 243         int                     last_inc;
 244         int                     can_delete;
 245         int                     take_focus;
 246         int                     java;
 247         unsigned long           quirks;
 248         struct workspace        *ws;    /* always valid */
 249         struct swm_screen       *s;     /* always valid, never changes */
 250         XWindowAttributes       wa;
 251         XSizeHints              sh;
 252         XClassHint              ch;
 253 };
 254 TAILQ_HEAD(ws_win_list, ws_win);
 255
 256 /* user/key callable function IDs */
 257 enum keyfuncid {
 258         kf_cycle_layout,
 259         kf_stack_reset,
 260         kf_master_shrink,
 261         kf_master_grow,
 262         kf_master_add,
 263         kf_master_del,
 264         kf_stack_inc,
 265         kf_stack_dec,
 266         kf_swap_main,
 267         kf_focus_next,
 268         kf_focus_prev,
 269         kf_swap_next,
 270         kf_swap_prev,
 271         kf_spawn_term,
 272         kf_spawn_menu,
 273         kf_quit,
 274         kf_restart,
 275         kf_focus_main,
 276         kf_ws_1,
 277         kf_ws_2,
 278         kf_ws_3,
 279         kf_ws_4,
 280         kf_ws_5,
 281         kf_ws_6,
 282         kf_ws_7,
 283         kf_ws_8,
 284         kf_ws_9,
 285         kf_ws_10,
 286         kf_ws_next,
 287         kf_ws_prev,
 288         kf_screen_next,
 289         kf_screen_prev,
 290         kf_mvws_1,
 291         kf_mvws_2,
 292         kf_mvws_3,
 293         kf_mvws_4,
 294         kf_mvws_5,
 295         kf_mvws_6,
 296         kf_mvws_7,
 297         kf_mvws_8,
 298         kf_mvws_9,
 299         kf_mvws_10,
 300         kf_bar_toggle,
 301         kf_wind_kill,
 302         kf_wind_del,
 303         kf_screenshot_all,
 304         kf_screenshot_wind,
 305         kf_float_toggle,
 306         kf_version,
 307         kf_spawn_lock,
 308         kf_spawn_initscr,
 309         kf_spawn_custom,
 310         kf_invalid
 311 };
 312
 313 /* layout handlers */
 314 void    stack(void);
 315 void    vertical_config(struct workspace *, int);
 316 void    vertical_stack(struct workspace *, struct swm_geometry *);
 317 void    horizontal_config(struct workspace *, int);
 318 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 319 void    max_stack(struct workspace *, struct swm_geometry *);
 320
 321 void    grabbuttons(struct ws_win *, int);
 322 void    new_region(struct swm_screen *, int, int, int, int);
 323 void    unmanage_window(struct ws_win *);
 324
 325 struct layout {
 326         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 327         void            (*l_config)(struct workspace *, int);
 328         u_int32_t       flags;
 329 #define SWM_L_FOCUSPREV         (1<<0)
 330 #define SWM_L_MAPONFOCUS        (1<<1)
 331         char            *name;
 332 } layouts[] =  {
 333         /* stack,               configure */
 334         { vertical_stack,       vertical_config,        0,      "[|]" },
 335         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 336         { max_stack,            NULL,
 337           SWM_L_FOCUSPREV | SWM_L_MAPONFOCUS,                   "[ ]"},
 338         { NULL,                 NULL,                   0},
 339 };
 340
 341 #define SWM_H_SLICE             (32)
 342 #define SWM_V_SLICE             (32)
 343
 344 /* define work spaces */
 345 struct workspace {
 346         int                     idx;            /* workspace index */
 347         int                     restack;        /* restack on switch */
 348         struct layout           *cur_layout;    /* current layout handlers */
 349         struct ws_win           *focus;         /* may be NULL */
 350         struct ws_win           *focus_prev;    /* may be NULL */
 351         struct swm_region       *r;             /* may be NULL */
 352         struct swm_region       *old_r;         /* may be NULL */
 353         struct ws_win_list      winlist;        /* list of windows in ws */
 354
 355         /* stacker state */
 356         struct {
 357                                 int horizontal_msize;
 358                                 int horizontal_mwin;
 359                                 int horizontal_stacks;
 360                                 int vertical_msize;
 361                                 int vertical_mwin;
 362                                 int vertical_stacks;
 363         } l_state;
 364 };
 365
 366 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 367           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 368
 369 /* physical screen mapping */
 370 #define SWM_WS_MAX              (10)            /* XXX Too small? */
 371 struct swm_screen {
 372         int                     idx;            /* screen index */
 373         struct swm_region_list  rl;     /* list of regions on this screen */
 374         struct swm_region_list  orl;    /* list of old regions */
 375         Window                  root;
 376         struct workspace        ws[SWM_WS_MAX];
 377
 378         /* colors */
 379         struct {
 380                 unsigned long   color;
 381                 char            *name;
 382         } c[SWM_S_COLOR_MAX];
 383 };
 384 struct swm_screen       *screens;
 385 int                     num_screens;
 386
 387 /* args to functions */
 388 union arg {
 389         int                     id;
 390 #define SWM_ARG_ID_FOCUSNEXT    (0)
 391 #define SWM_ARG_ID_FOCUSPREV    (1)
 392 #define SWM_ARG_ID_FOCUSMAIN    (2)
 393 #define SWM_ARG_ID_SWAPNEXT     (3)
 394 #define SWM_ARG_ID_SWAPPREV     (4)
 395 #define SWM_ARG_ID_SWAPMAIN     (5)
 396 #define SWM_ARG_ID_MASTERSHRINK (6)
 397 #define SWM_ARG_ID_MASTERGROW   (7)
 398 #define SWM_ARG_ID_MASTERADD    (8)
 399 #define SWM_ARG_ID_MASTERDEL    (9)
 400 #define SWM_ARG_ID_STACKRESET   (10)
 401 #define SWM_ARG_ID_STACKINIT    (11)
 402 #define SWM_ARG_ID_CYCLEWS_UP   (12)
 403 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
 404 #define SWM_ARG_ID_CYCLESC_UP   (14)
 405 #define SWM_ARG_ID_CYCLESC_DOWN (15)
 406 #define SWM_ARG_ID_STACKINC     (16)
 407 #define SWM_ARG_ID_STACKDEC     (17)
 408 #define SWM_ARG_ID_SS_ALL       (0)
 409 #define SWM_ARG_ID_SS_WINDOW    (1)
 410 #define SWM_ARG_ID_DONTCENTER   (0)
 411 #define SWM_ARG_ID_CENTER       (1)
 412 #define SWM_ARG_ID_KILLWINDOW   (0)
 413 #define SWM_ARG_ID_DELETEWINDOW (1)
 414         char                    **argv;
 415 };
 416
 417 /* quirks */
 418 struct quirk {
 419         char                    *class;
 420         char                    *name;
 421         unsigned long           quirk;
 422 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 423 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 424 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 425 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 426 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 427 };
 428 int                             quirks_size = 0, quirks_length = 0;
 429 struct quirk                    *quirks = NULL;
 430
 431 /* events */
 432 #ifdef SWM_DEBUG
 433 void
 434 dumpevent(XEvent *e)
 435 {
 436         char                    *name = NULL;
 437
 438         switch (e->type) {
 439         case KeyPress:
 440                 name = "KeyPress";
 441                 break;
 442         case KeyRelease:
 443                 name = "KeyRelease";
 444                 break;
 445         case ButtonPress:
 446                 name = "ButtonPress";
 447                 break;
 448         case ButtonRelease:
 449                 name = "ButtonRelease";
 450                 break;
 451         case MotionNotify:
 452                 name = "MotionNotify";
 453                 break;
 454         case EnterNotify:
 455                 name = "EnterNotify";
 456                 break;
 457         case LeaveNotify:
 458                 name = "LeaveNotify";
 459                 break;
 460         case FocusIn:
 461                 name = "FocusIn";
 462                 break;
 463         case FocusOut:
 464                 name = "FocusOut";
 465                 break;
 466         case KeymapNotify:
 467                 name = "KeymapNotify";
 468                 break;
 469         case Expose:
 470                 name = "Expose";
 471                 break;
 472         case GraphicsExpose:
 473                 name = "GraphicsExpose";
 474                 break;
 475         case NoExpose:
 476                 name = "NoExpose";
 477                 break;
 478         case VisibilityNotify:
 479                 name = "VisibilityNotify";
 480                 break;
 481         case CreateNotify:
 482                 name = "CreateNotify";
 483                 break;
 484         case DestroyNotify:
 485                 name = "DestroyNotify";
 486                 break;
 487         case UnmapNotify:
 488                 name = "UnmapNotify";
 489                 break;
 490         case MapNotify:
 491                 name = "MapNotify";
 492                 break;
 493         case MapRequest:
 494                 name = "MapRequest";
 495                 break;
 496         case ReparentNotify:
 497                 name = "ReparentNotify";
 498                 break;
 499         case ConfigureNotify:
 500                 name = "ConfigureNotify";
 501                 break;
 502         case ConfigureRequest:
 503                 name = "ConfigureRequest";
 504                 break;
 505         case GravityNotify:
 506                 name = "GravityNotify";
 507                 break;
 508         case ResizeRequest:
 509                 name = "ResizeRequest";
 510                 break;
 511         case CirculateNotify:
 512                 name = "CirculateNotify";
 513                 break;
 514         case CirculateRequest:
 515                 name = "CirculateRequest";
 516                 break;
 517         case PropertyNotify:
 518                 name = "PropertyNotify";
 519                 break;
 520         case SelectionClear:
 521                 name = "SelectionClear";
 522                 break;
 523         case SelectionRequest:
 524                 name = "SelectionRequest";
 525                 break;
 526         case SelectionNotify:
 527                 name = "SelectionNotify";
 528                 break;
 529         case ColormapNotify:
 530                 name = "ColormapNotify";
 531                 break;
 532         case ClientMessage:
 533                 name = "ClientMessage";
 534                 break;
 535         case MappingNotify:
 536                 name = "MappingNotify";
 537                 break;
 538         }
 539
 540         if (name)
 541                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 542                     "remaining\n",
 543                     e->xany.window, name, e->type, QLength(display));
 544         else
 545                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 546                     "remaining\n",
 547                     e->xany.window, e->type, QLength(display));
 548 }
 549 #else
 550 #define dumpevent(e)
 551 #endif /* SWM_DEBUG */
 552
 553 void                    expose(XEvent *);
 554 void                    keypress(XEvent *);
 555 void                    buttonpress(XEvent *);
 556 void                    configurerequest(XEvent *);
 557 void                    configurenotify(XEvent *);
 558 void                    destroynotify(XEvent *);
 559 void                    enternotify(XEvent *);
 560 void                    focusin(XEvent *);
 561 void                    focusout(XEvent *);
 562 void                    mapnotify(XEvent *);
 563 void                    mappingnotify(XEvent *);
 564 void                    maprequest(XEvent *);
 565 void                    propertynotify(XEvent *);
 566 void                    unmapnotify(XEvent *);
 567 void                    visibilitynotify(XEvent *);
 568
 569 void                    (*handler[LASTEvent])(XEvent *) = {
 570                                 [Expose] = expose,
 571                                 [KeyPress] = keypress,
 572                                 [ButtonPress] = buttonpress,
 573                                 [ConfigureRequest] = configurerequest,
 574                                 [ConfigureNotify] = configurenotify,
 575                                 [DestroyNotify] = destroynotify,
 576                                 [EnterNotify] = enternotify,
 577                                 [FocusIn] = focusin,
 578                                 [FocusOut] = focusout,
 579                                 [MapNotify] = mapnotify,
 580                                 [MappingNotify] = mappingnotify,
 581                                 [MapRequest] = maprequest,
 582                                 [PropertyNotify] = propertynotify,
 583                                 [UnmapNotify] = unmapnotify,
 584                                 [VisibilityNotify] = visibilitynotify,
 585 };
 586
 587 void
 588 sighdlr(int sig)
 589 {
 590         pid_t                   pid;
 591
 592         switch (sig) {
 593         case SIGCHLD:
 594                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 595                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 596                         if (pid <= 0)
 597                                 break;
 598                 }
 599                 break;
 600         case SIGINT:
 601         case SIGTERM:
 602         case SIGHUP:
 603         case SIGQUIT:
 604                 running = 0;
 605                 break;
 606         }
 607 }
 608
 609 void
 610 installsignal(int sig, char *name)
 611 {
 612         struct sigaction        sa;
 613
 614         sa.sa_handler = sighdlr;
 615         sigemptyset(&sa.sa_mask);
 616         sa.sa_flags = 0;
 617         if (sigaction(sig, &sa, NULL) == -1)
 618                 err(1, "could not install %s handler", name);
 619 }
 620
 621 unsigned long
 622 name_to_color(char *colorname)
 623 {
 624         Colormap                cmap;
 625         Status                  status;
 626         XColor                  screen_def, exact_def;
 627         unsigned long           result = 0;
 628         char                    cname[32] = "#";
 629
 630         cmap = DefaultColormap(display, screens[0].idx);
 631         status = XAllocNamedColor(display, cmap, colorname,
 632             &screen_def, &exact_def);
 633         if (!status) {
 634                 strlcat(cname, colorname + 2, sizeof cname - 1);
 635                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 636                     &exact_def);
 637         }
 638         if (status)
 639                 result = screen_def.pixel;
 640         else
 641                 fprintf(stderr, "color '%s' not found.\n", colorname);
 642
 643         return (result);
 644 }
 645
 646 void
 647 setscreencolor(char *val, int i, int c)
 648 {
 649         if (i > 0 && i <= ScreenCount(display)) {
 650                 screens[i - 1].c[c].color = name_to_color(val);
 651                 free(screens[i - 1].c[c].name);
 652                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 653                         errx(1, "strdup");
 654         } else if (i == -1) {
 655                 for (i = 0; i < ScreenCount(display); i++) {
 656                         screens[i].c[c].color = name_to_color(val);
 657                         free(screens[i].c[c].name);
 658                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 659                                 errx(1, "strdup");
 660                 }
 661         } else
 662                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 663                     i, ScreenCount(display));
 664 }
 665
 666 void
 667 custom_region(char *val)
 668 {
 669         unsigned int                    sidx, x, y, w, h;
 670
 671         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 672                 errx(1, "invalid custom region, "
 673                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 674         if (sidx < 1 || sidx > ScreenCount(display))
 675                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 676                     sidx, ScreenCount(display));
 677         sidx--;
 678
 679         if (w < 1 || h < 1)
 680                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 681
 682         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 683             y < 0 || y > DisplayHeight(display, sidx) ||
 684             w + x > DisplayWidth(display, sidx) ||
 685             h + y > DisplayHeight(display, sidx))
 686                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 687                     "(%ux%u)\n", w, h, x, y,
 688                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 689
 690         new_region(&screens[sidx], x, y, w, h);
 691 }
 692
 693 void
 694 socket_setnonblock(int fd)
 695 {
 696         int                     flags;
 697
 698         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 699                 err(1, "fcntl F_GETFL");
 700         flags |= O_NONBLOCK;
 701         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 702                 err(1, "fcntl F_SETFL");
 703 }
 704
 705 void
 706 bar_print(struct swm_region *r, char *s)
 707 {
 708         XClearWindow(display, r->bar_window);
 709         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 710         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 711             strlen(s));
 712 }
 713
 714 void
 715 bar_extra_stop(void)
 716 {
 717         if (bar_pipe[0]) {
 718                 close(bar_pipe[0]);
 719                 bzero(bar_pipe, sizeof bar_pipe);
 720         }
 721         if (bar_pid) {
 722                 kill(bar_pid, SIGTERM);
 723                 bar_pid = 0;
 724         }
 725         strlcpy(bar_ext, "", sizeof bar_ext);
 726         bar_extra = 0;
 727 }
 728
 729 void
 730 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 731 {
 732         int                     do_class, do_name;
 733         Status                  status;
 734         XClassHint              *xch = NULL;
 735
 736         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 737             cur_focus != NULL) {
 738                 if ((xch = XAllocClassHint()) == NULL)
 739                         goto out;
 740                 status = XGetClassHint(display, cur_focus->id, xch);
 741                 if (status == BadWindow || status == BadAlloc)
 742                         goto out;
 743                 do_class = (title_class_enabled && xch->res_class != NULL);
 744                 do_name = (title_name_enabled && xch->res_name != NULL);
 745                 if (do_class)
 746                         strlcat(s, xch->res_class, sz);
 747                 if (do_class && do_name)
 748                         strlcat(s, ":", sz);
 749                 if (do_name)
 750                         strlcat(s, xch->res_name, sz);
 751                 strlcat(s, "    ", sz);
 752         }
 753 out:
 754         if (xch)
 755                 XFree(xch);
 756 }
 757
 758 void
 759 bar_update(void)
 760 {
 761         time_t                  tmt;
 762         struct tm               tm;
 763         struct swm_region       *r;
 764         int                     i, x;
 765         size_t                  len;
 766         char                    s[SWM_BAR_MAX];
 767         char                    loc[SWM_BAR_MAX];
 768         char                    *b;
 769         char                    *stack = "";
 770
 771         if (bar_enabled == 0)
 772                 return;
 773         if (bar_extra && bar_extra_running) {
 774                 /* ignore short reads; it'll correct itself */
 775                 while ((b = fgetln(stdin, &len)) != NULL)
 776                         if (b && b[len - 1] == '\n') {
 777                                 b[len - 1] = '\0';
 778                                 strlcpy(bar_ext, b, sizeof bar_ext);
 779                         }
 780                 if (b == NULL && errno != EAGAIN) {
 781                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 782                             errno, strerror(errno));
 783                         bar_extra_stop();
 784                 }
 785         } else
 786                 strlcpy(bar_ext, "", sizeof bar_ext);
 787
 788         if (clock_enabled == 0)
 789                 strlcpy(s, "", sizeof s);
 790         else {
 791                 time(&tmt);
 792                 localtime_r(&tmt, &tm);
 793                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 794         }
 795
 796         for (i = 0; i < ScreenCount(display); i++) {
 797                 x = 1;
 798                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 799                         if (r && r->ws)
 800                                 bar_class_name(s, sizeof s, r->ws->focus);
 801
 802                         if (stack_enabled)
 803                                 stack = r->ws->cur_layout->name;
 804
 805                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 806                             x++, r->ws->idx + 1, stack, s, bar_ext,
 807                             bar_vertext);
 808                         bar_print(r, loc);
 809                 }
 810         }
 811         alarm(bar_delay);
 812 }
 813
 814 void
 815 bar_signal(int sig)
 816 {
 817         bar_alarm = 1;
 818 }
 819
 820 void
 821 bar_toggle(struct swm_region *r, union arg *args)
 822 {
 823         struct swm_region       *tmpr;
 824         int                     i, j, sc = ScreenCount(display);
 825
 826         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 827
 828         if (bar_enabled)
 829                 for (i = 0; i < sc; i++)
 830                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 831                                 XUnmapWindow(display, tmpr->bar_window);
 832         else
 833                 for (i = 0; i < sc; i++)
 834                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 835                                 XMapRaised(display, tmpr->bar_window);
 836
 837         bar_enabled = !bar_enabled;
 838         for (i = 0; i < sc; i++)
 839                 for (j = 0; j < SWM_WS_MAX; j++)
 840                         screens[i].ws[j].restack = 1;
 841
 842         stack();
 843         /* must be after stack */
 844         bar_update();
 845 }
 846
 847 void
 848 bar_refresh(void)
 849 {
 850         XSetWindowAttributes    wa;
 851         struct swm_region       *r;
 852         int                     i;
 853
 854         /* do this here because the conf file is in memory */
 855         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 856                 /* launch external status app */
 857                 bar_extra_running = 1;
 858                 if (pipe(bar_pipe) == -1)
 859                         err(1, "pipe error");
 860                 socket_setnonblock(bar_pipe[0]);
 861                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 862                 if (dup2(bar_pipe[0], 0) == -1)
 863                         errx(1, "dup2");
 864                 if (dup2(bar_pipe[1], 1) == -1)
 865                         errx(1, "dup2");
 866                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 867                         err(1, "could not disable SIGPIPE");
 868                 switch (bar_pid = fork()) {
 869                 case -1:
 870                         err(1, "cannot fork");
 871                         break;
 872                 case 0: /* child */
 873                         close(bar_pipe[0]);
 874                         execvp(bar_argv[0], bar_argv);
 875                         err(1, "%s external app failed", bar_argv[0]);
 876                         break;
 877                 default: /* parent */
 878                         close(bar_pipe[1]);
 879                         break;
 880                 }
 881         }
 882
 883         bzero(&wa, sizeof wa);
 884         for (i = 0; i < ScreenCount(display); i++)
 885                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 886                         wa.border_pixel =
 887                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 888                         wa.background_pixel =
 889                             screens[i].c[SWM_S_COLOR_BAR].color;
 890                         XChangeWindowAttributes(display, r->bar_window,
 891                             CWBackPixel | CWBorderPixel, &wa);
 892                 }
 893         bar_update();
 894 }
 895
 896 void
 897 bar_setup(struct swm_region *r)
 898 {
 899         int                     i;
 900
 901         for (i = 0; bar_fonts[i] != NULL; i++) {
 902                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 903                 if (bar_fs) {
 904                         bar_fidx = i;
 905                         break;
 906                 }
 907         }
 908         if (bar_fonts[i] == NULL)
 909                         errx(1, "couldn't load font");
 910         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 911
 912         r->bar_window = XCreateSimpleWindow(display,
 913             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 914             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 915             r->s->c[SWM_S_COLOR_BAR].color);
 916         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 917         XSetFont(display, bar_gc, bar_fs->fid);
 918         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 919         if (bar_enabled)
 920                 XMapRaised(display, r->bar_window);
 921         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 922
 923         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 924                 err(1, "could not install bar_signal");
 925         bar_refresh();
 926 }
 927
 928 Bool
 929 set_win_notify_cb(Display *d, XEvent *e, char *arg)
 930 {
 931         struct ws_win           *win = (struct ws_win *)arg;
 932
 933         if (win && win->id == e->xany.window && e->xany.type == PropertyNotify)
 934                         return (True);
 935         return (False);
 936 }
 937
 938 void
 939 set_win_state(struct ws_win *win, long state)
 940 {
 941         long                    data[] = {state, None};
 942         XEvent                  ev;
 943         XWindowAttributes       wa;
 944
 945         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 946
 947         if (win == NULL)
 948                 return;
 949         /* make sure we drain everything */
 950         XSync(display, True);
 951
 952         /* make sure we still exist too */
 953         if (XGetWindowAttributes(display, win->id, &wa) == BadWindow)
 954                 return;
 955
 956         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 957             (unsigned char *)data, 2);
 958
 959         /* wait for completion of XChangeProperty */
 960         while (XCheckIfEvent(display, &ev, set_win_notify_cb, (char *)win))
 961                 ;
 962 }
 963
 964 long
 965 getstate(Window w)
 966 {
 967         int                     format, status;
 968         long                    result = -1;
 969         unsigned char           *p = NULL;
 970         unsigned long           n, extra;
 971         Atom                    real;
 972
 973         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 974             &real, &format, &n, &extra, (unsigned char **)&p);
 975         if (status != Success)
 976                 return (-1);
 977         if (n != 0)
 978                 result = *((long *)p);
 979         XFree(p);
 980         return (result);
 981 }
 982
 983 void
 984 version(struct swm_region *r, union arg *args)
 985 {
 986         bar_version = !bar_version;
 987         if (bar_version)
 988                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
 989                     SWM_VERSION, cvstag);
 990         else
 991                 strlcpy(bar_vertext, "", sizeof bar_vertext);
 992         bar_update();
 993 }
 994
 995 void
 996 client_msg(struct ws_win *win, Atom a)
 997 {
 998         XClientMessageEvent     cm;
 999
1000         bzero(&cm, sizeof cm);
1001         cm.type = ClientMessage;
1002         cm.window = win->id;
1003         cm.message_type = aprot;
1004         cm.format = 32;
1005         cm.data.l[0] = a;
1006         cm.data.l[1] = CurrentTime;
1007         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1008 }
1009
1010 void
1011 config_win(struct ws_win *win)
1012 {
1013         XConfigureEvent         ce;
1014
1015         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1016             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1017         ce.type = ConfigureNotify;
1018         ce.display = display;
1019         ce.event = win->id;
1020         ce.window = win->id;
1021         ce.x = win->g.x;
1022         ce.y = win->g.y;
1023         ce.width = win->g.w;
1024         ce.height = win->g.h;
1025         ce.border_width = 1; /* XXX store this! */
1026         ce.above = None;
1027         ce.override_redirect = False;
1028         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1029 }
1030
1031 int
1032 count_win(struct workspace *ws, int count_transient)
1033 {
1034         struct ws_win           *win;
1035         int                     count = 0;
1036         int                     state;
1037
1038         /*
1039          * Under stress conditions windows sometimes do not get removed from
1040          * the managed list quickly enough.  Use a very large hammer to get rid
1041          * of them.  A smaller hammer would be nice.
1042          */
1043         TAILQ_FOREACH(win, &ws->winlist, entry) {
1044                 state = getstate(win->id);
1045                 if (state == -1) {
1046                         DNPRINTF(SWM_D_MISC, "count_win:removing: %lu\n",
1047                             win->id);
1048                         unmanage_window(win);
1049                 }
1050         }
1051
1052         TAILQ_FOREACH(win, &ws->winlist, entry) {
1053                 if (count_transient == 0 && win->floating)
1054                         continue;
1055                 if (count_transient == 0 && win->transient)
1056                         continue;
1057                 count++;
1058         }
1059         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1060
1061         return (count);
1062 }
1063
1064 void
1065 quit(struct swm_region *r, union arg *args)
1066 {
1067         DNPRINTF(SWM_D_MISC, "quit\n");
1068         running = 0;
1069 }
1070
1071 Bool
1072 unmap_window_cb(Display *d, XEvent *e, char *arg)
1073 {
1074         struct ws_win           *win = (struct ws_win *)arg;
1075
1076         if (win && win->id == e->xany.window && e->xany.type == UnmapNotify)
1077                         return (True);
1078         return (False);
1079 }
1080
1081 void
1082 unmap_window(struct ws_win *win)
1083 {
1084         XEvent                  ev;
1085         XWindowAttributes       wa;
1086
1087         if (win == NULL)
1088                 return;
1089
1090         /* make sure we still exist too */
1091         if (XGetWindowAttributes(display, win->id, &wa) == BadWindow)
1092                 return;
1093
1094         /* don't unmap again */
1095         if (wa.map_state == IsUnmapped && getstate(win->id) == IconicState)
1096                 return;
1097
1098         /* java shits itself when windows are set to iconic state */
1099         if (win->java == 0)
1100                 set_win_state(win, IconicState);
1101
1102         XUnmapWindow(display, win->id);
1103
1104         /* make sure we wait for XUnmapWindow completion */
1105         while (XCheckIfEvent(display, &ev, unmap_window_cb, (char *)win))
1106                 ;
1107 }
1108
1109 void
1110 unmap_all(void)
1111 {
1112         struct ws_win           *win;
1113         int                     i, j;
1114
1115         for (i = 0; i < ScreenCount(display); i++)
1116                 for (j = 0; j < SWM_WS_MAX; j++)
1117                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1118                                 unmap_window(win);
1119 }
1120
1121 void
1122 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1123 {
1124         XKeyEvent event;
1125
1126         event.display = display;        /* Ignored, but what the hell */
1127         event.window = win->id;
1128         event.root = win->s->root;
1129         event.subwindow = None;
1130         event.time = CurrentTime;
1131         event.x = win->g.x;
1132         event.y = win->g.y;
1133         event.x_root = 1;
1134         event.y_root = 1;
1135         event.same_screen = True;
1136         event.keycode = XKeysymToKeycode(display, keysym);
1137         event.state = modifiers;
1138
1139         event.type = KeyPress;
1140         XSendEvent(event.display, event.window, True,
1141             KeyPressMask, (XEvent *)&event);
1142
1143         event.type = KeyRelease;
1144         XSendEvent(event.display, event.window, True,
1145             KeyPressMask, (XEvent *)&event);
1146
1147 }
1148
1149 void
1150 restart(struct swm_region *r, union arg *args)
1151 {
1152         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1153
1154         /* disable alarm because the following code may not be interrupted */
1155         alarm(0);
1156         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1157                 errx(1, "can't disable alarm");
1158
1159         bar_extra_stop();
1160         bar_extra = 1;
1161         unmap_all();
1162         XCloseDisplay(display);
1163         execvp(start_argv[0], start_argv);
1164         fprintf(stderr, "execvp failed\n");
1165         perror(" failed");
1166         quit(NULL, NULL);
1167 }
1168
1169 struct swm_region *
1170 root_to_region(Window root)
1171 {
1172         struct swm_region       *r = NULL;
1173         Window                  rr, cr;
1174         int                     i, x, y, wx, wy;
1175         unsigned int            mask;
1176
1177         for (i = 0; i < ScreenCount(display); i++)
1178                 if (screens[i].root == root)
1179                         break;
1180
1181         if (XQueryPointer(display, screens[i].root,
1182             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1183                 /* choose a region based on pointer location */
1184                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1185                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1186                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1187                                 break;
1188         }
1189
1190         if (r == NULL)
1191                 r = TAILQ_FIRST(&screens[i].rl);
1192
1193         return (r);
1194 }
1195
1196 struct ws_win *
1197 find_window(Window id)
1198 {
1199         struct ws_win           *win;
1200         int                     i, j;
1201
1202         for (i = 0; i < ScreenCount(display); i++)
1203                 for (j = 0; j < SWM_WS_MAX; j++)
1204                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1205                                 if (id == win->id)
1206                                         return (win);
1207         return (NULL);
1208 }
1209
1210 void
1211 spawn(struct swm_region *r, union arg *args)
1212 {
1213         char                    *ret;
1214         int                     si;
1215
1216         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1217         /*
1218          * The double-fork construct avoids zombie processes and keeps the code
1219          * clean from stupid signal handlers.
1220          */
1221         if (fork() == 0) {
1222                 if (fork() == 0) {
1223                         if (display)
1224                                 close(ConnectionNumber(display));
1225                         setenv("LD_PRELOAD", SWM_LIB, 1);
1226                         if (asprintf(&ret, "%d", r->ws->idx)) {
1227                                 setenv("_SWM_WS", ret, 1);
1228                                 free(ret);
1229                         }
1230                         if (asprintf(&ret, "%d", getpid())) {
1231                                 setenv("_SWM_PID", ret, 1);
1232                                 free(ret);
1233                         }
1234                         setsid();
1235                         /* kill stdin, mplayer, ssh-add etc. need that */
1236                         si = open("/dev/null", O_RDONLY, 0);
1237                         if (si == -1)
1238                                 err(1, "open /dev/null");
1239                         if (dup2(si, 0) == -1)
1240                                 err(1, "dup2 /dev/null");
1241                         execvp(args->argv[0], args->argv);
1242                         fprintf(stderr, "execvp failed\n");
1243                         perror(" failed");
1244                 }
1245                 exit(0);
1246         }
1247 }
1248
1249 void
1250 spawnterm(struct swm_region *r, union arg *args)
1251 {
1252         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1253
1254         if (term_width)
1255                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1256         spawn(r, args);
1257 }
1258
1259 void
1260 unfocus_win(struct ws_win *win)
1261 {
1262         if (win == NULL)
1263                 return;
1264
1265         if (win->ws->r == NULL)
1266                 return;
1267
1268         if (win->ws->focus == win) {
1269                 win->ws->focus = NULL;
1270                 win->ws->focus_prev = win;
1271         }
1272
1273         grabbuttons(win, 0);
1274         XSetWindowBorder(display, win->id,
1275             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1276 }
1277
1278 void
1279 unfocus_all(void)
1280 {
1281         struct ws_win           *win;
1282         int                     i, j;
1283
1284         DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1285
1286         for (i = 0; i < ScreenCount(display); i++)
1287                 for (j = 0; j < SWM_WS_MAX; j++)
1288                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1289                                 unfocus_win(win);
1290 }
1291
1292 void
1293 focus_win(struct ws_win *win)
1294 {
1295         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1296
1297         if (win == NULL)
1298                 return;
1299
1300         /* use big hammer to make sure it works under all use cases */
1301         unfocus_all();
1302         win->ws->focus = win;
1303
1304         if (win->ws->r != NULL) {
1305                 XSetWindowBorder(display, win->id,
1306                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1307                 grabbuttons(win, 1);
1308                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1309                         XMapRaised(display, win->id);
1310                 if (win->java == 0)
1311                         XSetInputFocus(display, win->id,
1312                             RevertToPointerRoot, CurrentTime);
1313         }
1314 }
1315
1316 void
1317 switchws(struct swm_region *r, union arg *args)
1318 {
1319         int                     wsid = args->id;
1320         struct swm_region       *this_r, *other_r;
1321         struct ws_win           *win, *winfocus = NULL, *parent = NULL;
1322         struct workspace        *new_ws, *old_ws;
1323
1324         if (!(r && r->s))
1325                 return;
1326
1327         this_r = r;
1328         old_ws = this_r->ws;
1329         new_ws = &this_r->s->ws[wsid];
1330
1331         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1332             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1333             old_ws->idx, wsid);
1334
1335         if (new_ws == NULL || old_ws == NULL || new_ws == old_ws)
1336                 return;
1337
1338         /* get focus window */
1339         if (new_ws->focus)
1340                 winfocus = new_ws->focus;
1341         else if (new_ws->focus_prev)
1342                 winfocus = new_ws->focus_prev;
1343         else
1344                 winfocus = TAILQ_FIRST(&new_ws->winlist);
1345
1346         other_r = new_ws->r;
1347         if (other_r == NULL) {
1348                 /* if the other workspace is hidden, switch windows */
1349                 if (old_ws->r != NULL)
1350                         old_ws->old_r = old_ws->r;
1351                 old_ws->r = NULL;
1352                 old_ws->restack = 1;
1353
1354                 /*
1355                  * Map new windows first if they were here before
1356                  * to minimize ugly blinking.
1357                  */
1358                 if (new_ws->old_r == this_r)
1359                         TAILQ_FOREACH(win, &new_ws->winlist, entry)
1360                                 if (!(win->ws->cur_layout->flags &
1361                                     SWM_L_MAPONFOCUS))
1362                                         XMapRaised(display, win->id);
1363
1364                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1365                         unmap_window(win);
1366         } else {
1367                 other_r->ws = old_ws;
1368                 old_ws->r = other_r;
1369         }
1370         this_r->ws = new_ws;
1371         new_ws->r = this_r;
1372
1373         ignore_enter = 1;
1374         stack();
1375         if (winfocus) {
1376                 /* make sure we see the parent window */
1377                 if (winfocus->transient) {
1378                         parent = find_window(winfocus->transient);
1379                         if (parent)
1380                                 focus_win(parent);
1381                 }
1382
1383                 focus_win(winfocus);
1384         }
1385         ignore_enter = 0;
1386         bar_update();
1387 }
1388
1389 void
1390 cyclews(struct swm_region *r, union arg *args)
1391 {
1392         union                   arg a;
1393         struct swm_screen       *s = r->s;
1394
1395         DNPRINTF(SWM_D_WS, "cyclews id %d "
1396             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1397             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1398
1399         a.id = r->ws->idx;
1400         do {
1401                 switch (args->id) {
1402                 case SWM_ARG_ID_CYCLEWS_UP:
1403                         if (a.id < SWM_WS_MAX - 1)
1404                                 a.id++;
1405                         else
1406                                 a.id = 0;
1407                         break;
1408                 case SWM_ARG_ID_CYCLEWS_DOWN:
1409                         if (a.id > 0)
1410                                 a.id--;
1411                         else
1412                                 a.id = SWM_WS_MAX - 1;
1413                         break;
1414                 default:
1415                         return;
1416                 };
1417
1418                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1419                         continue;
1420                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1421                         continue;
1422
1423                 switchws(r, &a);
1424         } while (a.id != r->ws->idx);
1425 }
1426
1427 void
1428 cyclescr(struct swm_region *r, union arg *args)
1429 {
1430         struct swm_region       *rr = NULL;
1431         struct workspace        *ws = NULL;
1432         struct ws_win           *winfocus = NULL;
1433         int                     i, x, y;
1434
1435         /* do nothing if we don't have more than one screen */
1436         if (!(ScreenCount(display) > 1 || outputs > 1))
1437                 return;
1438
1439         i = r->s->idx;
1440         switch (args->id) {
1441         case SWM_ARG_ID_CYCLESC_UP:
1442                 rr = TAILQ_NEXT(r, entry);
1443                 if (rr == NULL)
1444                         rr = TAILQ_FIRST(&screens[i].rl);
1445                 break;
1446         case SWM_ARG_ID_CYCLESC_DOWN:
1447                 rr = TAILQ_PREV(r, swm_region_list, entry);
1448                 if (rr == NULL)
1449                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1450                 break;
1451         default:
1452                 return;
1453         };
1454         if (rr == NULL)
1455                 return;
1456
1457         ws = rr->ws;
1458         winfocus = ws->focus;
1459         if (winfocus == NULL)
1460                 winfocus = ws->focus_prev;
1461         if (winfocus) {
1462                 /* use window coordinates */
1463                 x = winfocus->g.x + 1;
1464                 y = winfocus->g.y + 1;
1465         } else {
1466                 /* use region coordinates */
1467                 x = rr->g.x + 1;
1468                 y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1469         }
1470
1471         unfocus_all();
1472         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1473         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1474
1475         focus_win(winfocus);
1476 }
1477
1478 void
1479 swapwin(struct swm_region *r, union arg *args)
1480 {
1481         struct ws_win           *target, *source;
1482         struct ws_win           *cur_focus;
1483         struct ws_win_list      *wl;
1484
1485
1486         DNPRINTF(SWM_D_WS, "swapwin id %d "
1487             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1488             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1489
1490         cur_focus = r->ws->focus;
1491         if (cur_focus == NULL)
1492                 return;
1493
1494         source = cur_focus;
1495         wl = &source->ws->winlist;
1496
1497         switch (args->id) {
1498         case SWM_ARG_ID_SWAPPREV:
1499                 target = TAILQ_PREV(source, ws_win_list, entry);
1500                 TAILQ_REMOVE(wl, cur_focus, entry);
1501                 if (target == NULL)
1502                         TAILQ_INSERT_TAIL(wl, source, entry);
1503                 else
1504                         TAILQ_INSERT_BEFORE(target, source, entry);
1505                 break;
1506         case SWM_ARG_ID_SWAPNEXT:
1507                 target = TAILQ_NEXT(source, entry);
1508                 TAILQ_REMOVE(wl, source, entry);
1509                 if (target == NULL)
1510                         TAILQ_INSERT_HEAD(wl, source, entry);
1511                 else
1512                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1513                 break;
1514         case SWM_ARG_ID_SWAPMAIN:
1515                 target = TAILQ_FIRST(wl);
1516                 if (target == source) {
1517                         if (source->ws->focus_prev != NULL &&
1518                             source->ws->focus_prev != target)
1519
1520                                 source = source->ws->focus_prev;
1521                         else
1522                                 return;
1523                 }
1524                 source->ws->focus_prev = target;
1525                 TAILQ_REMOVE(wl, target, entry);
1526                 TAILQ_INSERT_BEFORE(source, target, entry);
1527                 TAILQ_REMOVE(wl, source, entry);
1528                 TAILQ_INSERT_HEAD(wl, source, entry);
1529                 break;
1530         default:
1531                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1532                 return;
1533         }
1534
1535         ignore_enter = 1;
1536         stack();
1537 }
1538
1539 void
1540 focus(struct swm_region *r, union arg *args)
1541 {
1542         struct ws_win           *winfocus, *winlostfocus;
1543         struct ws_win_list      *wl;
1544         struct ws_win           *cur_focus;
1545
1546         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1547
1548         cur_focus = r->ws->focus;
1549         if (cur_focus == NULL)
1550                 return;
1551
1552         wl = &cur_focus->ws->winlist;
1553
1554         winlostfocus = cur_focus;
1555
1556         switch (args->id) {
1557         case SWM_ARG_ID_FOCUSPREV:
1558                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1559                 if (winfocus == NULL)
1560                         winfocus = TAILQ_LAST(wl, ws_win_list);
1561                 break;
1562
1563         case SWM_ARG_ID_FOCUSNEXT:
1564                 winfocus = TAILQ_NEXT(cur_focus, entry);
1565                 if (winfocus == NULL)
1566                         winfocus = TAILQ_FIRST(wl);
1567                 break;
1568
1569         case SWM_ARG_ID_FOCUSMAIN:
1570                 winfocus = TAILQ_FIRST(wl);
1571                 if (winfocus == cur_focus)
1572                         winfocus = cur_focus->ws->focus_prev;
1573                 if (winfocus == NULL)
1574                         return;
1575                 break;
1576
1577         default:
1578                 return;
1579         }
1580
1581         if (winfocus == winlostfocus || winfocus == NULL)
1582                 return;
1583
1584         focus_win(winfocus);
1585 }
1586
1587 void
1588 cycle_layout(struct swm_region *r, union arg *args)
1589 {
1590         struct workspace        *ws = r->ws;
1591         struct ws_win           *winfocus, *parent = NULL;
1592
1593         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1594
1595         winfocus = ws->focus;
1596
1597         ws->cur_layout++;
1598         if (ws->cur_layout->l_stack == NULL)
1599                 ws->cur_layout = &layouts[0];
1600
1601         ignore_enter = 1;
1602         stack();
1603         /* make sure we see the parent window */
1604         if (winfocus) {
1605                 if (winfocus->transient)
1606                         parent = find_window(winfocus->transient);
1607                 if (parent)
1608                         focus_win(parent);
1609                 focus_win(winfocus);
1610         }
1611         ignore_enter = 0;
1612 }
1613
1614 void
1615 stack_config(struct swm_region *r, union arg *args)
1616 {
1617         struct workspace        *ws = r->ws;
1618
1619         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1620             args->id, ws->idx);
1621
1622         if (ws->cur_layout->l_config != NULL)
1623                 ws->cur_layout->l_config(ws, args->id);
1624
1625         if (args->id != SWM_ARG_ID_STACKINIT);
1626                 stack();
1627 }
1628
1629 void
1630 stack(void) {
1631         struct swm_geometry     g;
1632         struct swm_region       *r;
1633         int                     i, j;
1634
1635         DNPRINTF(SWM_D_STACK, "stack\n");
1636
1637         for (i = 0; i < ScreenCount(display); i++) {
1638                 j = 0;
1639                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1640                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1641                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1642
1643                         /* start with screen geometry, adjust for bar */
1644                         g = r->g;
1645                         g.w -= 2;
1646                         g.h -= 2;
1647                         if (bar_enabled) {
1648                                 g.y += bar_height;
1649                                 g.h -= bar_height;
1650                         }
1651
1652                         r->ws->restack = 0;
1653                         r->ws->cur_layout->l_stack(r->ws, &g);
1654                 }
1655         }
1656         if (font_adjusted)
1657                 font_adjusted--;
1658 }
1659
1660 void
1661 stack_floater(struct ws_win *win, struct swm_region *r)
1662 {
1663         unsigned int            mask;
1664         XWindowChanges          wc;
1665
1666         if (win == NULL)
1667                 return;
1668
1669         bzero(&wc, sizeof wc);
1670         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1671         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1672             (win->g.h == HEIGHT(r)))
1673                 wc.border_width = 0;
1674         else
1675                 wc.border_width = 1;
1676         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1677                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1678                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1679         }
1680         wc.width = win->g.w;
1681         wc.height = win->g.h;
1682         if (win->manual) {
1683                 wc.x = win->g.x;
1684                 wc.y = win->g.y;
1685         } else {
1686                 wc.x = (WIDTH(r) - win->g.w) / 2;
1687                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1688         }
1689
1690         /* adjust for region */
1691         wc.x += r->g.x;
1692         wc.y += r->g.y;
1693
1694         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1695             win->id, wc.x, wc.y, wc.width, wc.height);
1696
1697         XConfigureWindow(display, win->id, mask, &wc);
1698 }
1699
1700 /*
1701  * Send keystrokes to terminal to decrease/increase the font size as the
1702  * window size changes.
1703  */
1704 void
1705 adjust_font(struct ws_win *win)
1706 {
1707         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1708             win->floating || win->transient)
1709                 return;
1710
1711         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1712             win->g.w / win->sh.width_inc < term_width &&
1713             win->font_steps < SWM_MAX_FONT_STEPS) {
1714                 win->font_size_boundary[win->font_steps] =
1715                     (win->sh.width_inc * term_width) + win->sh.base_width;
1716                 win->font_steps++;
1717                 font_adjusted++;
1718                 win->last_inc = win->sh.width_inc;
1719                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1720         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1721             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1722                 win->font_steps--;
1723                 font_adjusted++;
1724                 win->last_inc = win->sh.width_inc;
1725                 fake_keypress(win, XK_KP_Add, ShiftMask);
1726         }
1727 }
1728
1729 #define SWAPXY(g)       do {                            \
1730         int tmp;                                        \
1731         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1732         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1733 } while (0)
1734 void
1735 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1736 {
1737         XWindowChanges          wc;
1738         struct swm_geometry     win_g, r_g = *g;
1739         struct ws_win           *win;
1740         int                     i, j, s, stacks;
1741         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1742         int                     hrh, extra = 0, h_slice, last_h = 0;
1743         int                     split, colno, winno, mwin, msize, mscale;
1744         int                     remain, missing, v_slice;
1745         unsigned int            mask;
1746
1747         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1748             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1749
1750         winno = count_win(ws, 0);
1751         if (winno == 0 && count_win(ws, 1) == 0)
1752                 return;
1753
1754         TAILQ_FOREACH(win, &ws->winlist, entry)
1755                 if (win->transient == 0 && win->floating == 0)
1756                         break;
1757
1758         if (win == NULL)
1759                 goto notiles;
1760
1761         if (rot) {
1762                 w_inc = win->sh.width_inc;
1763                 w_base = win->sh.base_width;
1764                 mwin = ws->l_state.horizontal_mwin;
1765                 mscale = ws->l_state.horizontal_msize;
1766                 stacks = ws->l_state.horizontal_stacks;
1767                 SWAPXY(&r_g);
1768         } else {
1769                 w_inc = win->sh.height_inc;
1770                 w_base = win->sh.base_height;
1771                 mwin = ws->l_state.vertical_mwin;
1772                 mscale = ws->l_state.vertical_msize;
1773                 stacks = ws->l_state.vertical_stacks;
1774         }
1775         win_g = r_g;
1776
1777         if (stacks > winno - mwin)
1778                 stacks = winno - mwin;
1779         if (stacks < 1)
1780                 stacks = 1;
1781
1782         h_slice = r_g.h / SWM_H_SLICE;
1783         if (mwin && winno > mwin) {
1784                 v_slice = r_g.w / SWM_V_SLICE;
1785
1786                 split = mwin;
1787                 colno = split;
1788                 win_g.w = v_slice * mscale;
1789
1790                 if (w_inc > 1 && w_inc < v_slice) {
1791                         /* adjust for window's requested size increment */
1792                         remain = (win_g.w - w_base) % w_inc;
1793                         missing = w_inc - remain;
1794                         win_g.w -= remain;
1795                         extra += remain;
1796                 }
1797
1798                 msize = win_g.w;
1799                 if (flip)
1800                         win_g.x += r_g.w - msize;
1801         } else {
1802                 msize = -2;
1803                 colno = split = winno / stacks;
1804                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1805         }
1806         hrh = r_g.h / colno;
1807         extra = r_g.h - (colno * hrh);
1808         win_g.h = hrh - 2;
1809
1810         /*  stack all the tiled windows */
1811         i = j = 0, s = stacks;
1812         TAILQ_FOREACH(win, &ws->winlist, entry) {
1813                 if (win->transient != 0 || win->floating != 0)
1814                         continue;
1815
1816                 if (split && i == split) {
1817                         colno = (winno - mwin) / stacks;
1818                         if (s <= (winno - mwin) % stacks)
1819                                 colno++;
1820                         split = split + colno;
1821                         hrh = (r_g.h / colno);
1822                         extra = r_g.h - (colno * hrh);
1823                         if (flip)
1824                                 win_g.x = r_g.x;
1825                         else
1826                                 win_g.x += win_g.w + 2;
1827                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1828                         if (s == 1)
1829                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1830                                     stacks;
1831                         s--;
1832                         j = 0;
1833                 }
1834                 win_g.h = hrh - 2;
1835                 if (rot) {
1836                         h_inc = win->sh.width_inc;
1837                         h_base = win->sh.base_width;
1838                 } else {
1839                         h_inc = win->sh.height_inc;
1840                         h_base = win->sh.base_height;
1841                 }
1842                 if (j == colno - 1) {
1843                         win_g.h = hrh + extra;
1844                 } else if (h_inc > 1 && h_inc < h_slice) {
1845                         /* adjust for window's requested size increment */
1846                         remain = (win_g.h - h_base) % h_inc;
1847                         missing = h_inc - remain;
1848
1849                         if (missing <= extra || j == 0) {
1850                                 extra -= missing;
1851                                 win_g.h += missing;
1852                         } else {
1853                                 win_g.h -= remain;
1854                                 extra += remain;
1855                         }
1856                 }
1857
1858                 if (j == 0)
1859                         win_g.y = r_g.y;
1860                 else
1861                         win_g.y += last_h + 2;
1862
1863                 bzero(&wc, sizeof wc);
1864                 wc.border_width = 1;
1865                 if (rot) {
1866                         win->g.x = wc.x = win_g.y;
1867                         win->g.y = wc.y = win_g.x;
1868                         win->g.w = wc.width = win_g.h;
1869                         win->g.h = wc.height = win_g.w;
1870                 } else {
1871                         win->g.x = wc.x = win_g.x;
1872                         win->g.y = wc.y = win_g.y;
1873                         win->g.w = wc.width = win_g.w;
1874                         win->g.h = wc.height = win_g.h;
1875                 }
1876                 adjust_font(win);
1877                 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1878                 XConfigureWindow(display, win->id, mask, &wc);
1879                 XMapRaised(display, win->id);
1880
1881                 last_h = win_g.h;
1882                 i++;
1883                 j++;
1884         }
1885
1886  notiles:
1887         /* now, stack all the floaters and transients */
1888         TAILQ_FOREACH(win, &ws->winlist, entry) {
1889                 if (win->transient == 0 && win->floating == 0)
1890                         continue;
1891
1892                 stack_floater(win, ws->r);
1893                 XMapRaised(display, win->id);
1894         }
1895 }
1896
1897 void
1898 vertical_config(struct workspace *ws, int id)
1899 {
1900         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1901
1902         switch (id) {
1903         case SWM_ARG_ID_STACKRESET:
1904         case SWM_ARG_ID_STACKINIT:
1905                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1906                 ws->l_state.vertical_mwin = 1;
1907                 ws->l_state.vertical_stacks = 1;
1908                 break;
1909         case SWM_ARG_ID_MASTERSHRINK:
1910                 if (ws->l_state.vertical_msize > 1)
1911                         ws->l_state.vertical_msize--;
1912                 break;
1913         case SWM_ARG_ID_MASTERGROW:
1914                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1915                         ws->l_state.vertical_msize++;
1916                 break;
1917         case SWM_ARG_ID_MASTERADD:
1918                 ws->l_state.vertical_mwin++;
1919                 break;
1920         case SWM_ARG_ID_MASTERDEL:
1921                 if (ws->l_state.vertical_mwin > 0)
1922                         ws->l_state.vertical_mwin--;
1923                 break;
1924         case SWM_ARG_ID_STACKINC:
1925                 ws->l_state.vertical_stacks++;
1926                 break;
1927         case SWM_ARG_ID_STACKDEC:
1928                 if (ws->l_state.vertical_stacks > 1)
1929                         ws->l_state.vertical_stacks--;
1930                 break;
1931         default:
1932                 return;
1933         }
1934 }
1935
1936 void
1937 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1938 {
1939         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1940
1941         stack_master(ws, g, 0, 0);
1942 }
1943
1944 void
1945 horizontal_config(struct workspace *ws, int id)
1946 {
1947         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1948
1949         switch (id) {
1950         case SWM_ARG_ID_STACKRESET:
1951         case SWM_ARG_ID_STACKINIT:
1952                 ws->l_state.horizontal_mwin = 1;
1953                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1954                 ws->l_state.horizontal_stacks = 1;
1955                 break;
1956         case SWM_ARG_ID_MASTERSHRINK:
1957                 if (ws->l_state.horizontal_msize > 1)
1958                         ws->l_state.horizontal_msize--;
1959                 break;
1960         case SWM_ARG_ID_MASTERGROW:
1961                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1962                         ws->l_state.horizontal_msize++;
1963                 break;
1964         case SWM_ARG_ID_MASTERADD:
1965                 ws->l_state.horizontal_mwin++;
1966                 break;
1967         case SWM_ARG_ID_MASTERDEL:
1968                 if (ws->l_state.horizontal_mwin > 0)
1969                         ws->l_state.horizontal_mwin--;
1970                 break;
1971         case SWM_ARG_ID_STACKINC:
1972                 ws->l_state.horizontal_stacks++;
1973                 break;
1974         case SWM_ARG_ID_STACKDEC:
1975                 if (ws->l_state.horizontal_stacks > 1)
1976                         ws->l_state.horizontal_stacks--;
1977                 break;
1978         default:
1979                 return;
1980         }
1981 }
1982
1983 void
1984 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1985 {
1986         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1987
1988         stack_master(ws, g, 1, 0);
1989 }
1990
1991 /* fullscreen view */
1992 void
1993 max_stack(struct workspace *ws, struct swm_geometry *g)
1994 {
1995         XWindowChanges          wc;
1996         struct swm_geometry     gg = *g;
1997         struct ws_win           *win, *wintrans = NULL;
1998         unsigned int            mask;
1999         int                     winno;
2000
2001         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2002
2003         if (ws == NULL)
2004                 return;
2005
2006         winno = count_win(ws, 0);
2007         if (winno == 0 && count_win(ws, 1) == 0)
2008                 return;
2009
2010         TAILQ_FOREACH(win, &ws->winlist, entry) {
2011                 if (win->transient != 0) {
2012                         wintrans = win;
2013                 } else {
2014                         bzero(&wc, sizeof wc);
2015                         wc.border_width = 1;
2016                         win->g.x = wc.x = gg.x;
2017                         win->g.y = wc.y = gg.y;
2018                         win->g.w = wc.width = gg.w;
2019                         win->g.h = wc.height = gg.h;
2020                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2021                         XConfigureWindow(display, win->id, mask, &wc);
2022
2023                         /* unmap only if we don't have multi screen */
2024                         if (win != ws->focus)
2025                                 if (!(ScreenCount(display) > 1 || outputs > 1))
2026                                         unmap_window(win);
2027                 }
2028         }
2029
2030         /* put the last transient on top */
2031         if (wintrans) {
2032                 stack_floater(wintrans, ws->r);
2033                 focus_win(wintrans); /* override */
2034         }
2035 }
2036
2037 void
2038 send_to_ws(struct swm_region *r, union arg *args)
2039 {
2040         int                     wsid = args->id;
2041         struct ws_win           *win = win, *winfocus = NULL;
2042         struct workspace        *ws, *nws;
2043         Atom                    ws_idx_atom = 0;
2044         unsigned char           ws_idx_str[SWM_PROPLEN];
2045
2046         if (r && r->ws)
2047                 win = r->ws->focus;
2048         else
2049                 return;
2050         if (win == NULL)
2051                 return;
2052
2053         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2054
2055         ws = win->ws;
2056         nws = &win->s->ws[wsid];
2057
2058         /* find a window to focus */
2059         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2060         if (TAILQ_FIRST(&ws->winlist) == win)
2061                 winfocus = TAILQ_NEXT(win, entry);
2062         else {
2063                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2064                 if (winfocus == NULL)
2065                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2066         }
2067         /* out of windows in ws so focus on nws instead if we multi screen */
2068         if (winfocus == NULL)
2069                 if (ScreenCount(display) > 1 || outputs > 1)
2070                         winfocus = win;
2071
2072         unmap_window(win);
2073         TAILQ_REMOVE(&ws->winlist, win, entry);
2074         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2075         win->ws = nws;
2076
2077         /* Try to update the window's workspace property */
2078         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2079         if (ws_idx_atom &&
2080             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2081                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2082                     ws_idx_str);
2083                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2084                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2085         }
2086
2087         if (count_win(nws, 1) == 1)
2088                 nws->focus = win;
2089         ws->restack = 1;
2090         nws->restack = 1;
2091
2092         stack();
2093         if (winfocus)
2094                 focus_win(winfocus);
2095 }
2096
2097 void
2098 wkill(struct swm_region *r, union arg *args)
2099 {
2100         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2101
2102         if(r->ws->focus == NULL)
2103                 return;
2104
2105         if (args->id == SWM_ARG_ID_KILLWINDOW)
2106                 XKillClient(display, r->ws->focus->id);
2107         else
2108                 if (r->ws->focus->can_delete)
2109                         client_msg(r->ws->focus, adelete);
2110 }
2111
2112 void
2113 floating_toggle(struct swm_region *r, union arg *args)
2114 {
2115         struct ws_win   *win = r->ws->focus;
2116
2117         if (win == NULL)
2118                 return;
2119
2120         win->floating = !win->floating;
2121         win->manual = 0;
2122         stack();
2123         focus_win(win);
2124 }
2125
2126 void
2127 resize_window(struct ws_win *win, int center)
2128 {
2129         unsigned int            mask;
2130         XWindowChanges          wc;
2131         struct swm_region       *r;
2132
2133         r = root_to_region(win->wa.root);
2134         bzero(&wc, sizeof wc);
2135         mask = CWBorderWidth | CWWidth | CWHeight;
2136         wc.border_width = 1;
2137         wc.width = win->g.w;
2138         wc.height = win->g.h;
2139         if (center == SWM_ARG_ID_CENTER) {
2140                 wc.x = (WIDTH(r) - win->g.w) / 2;
2141                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2142                 mask |= CWX | CWY;
2143         }
2144
2145         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2146             win->id, wc.x, wc.y, wc.width, wc.height);
2147
2148         XConfigureWindow(display, win->id, mask, &wc);
2149         config_win(win);
2150 }
2151
2152 void
2153 resize(struct ws_win *win, union arg *args)
2154 {
2155         XEvent                  ev;
2156         Time                    time = 0;
2157
2158         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2159             win->id, win->floating, win->transient);
2160
2161         if (!(win->transient != 0 || win->floating != 0))
2162                 return;
2163
2164         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2165             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2166                 return;
2167         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2168         do {
2169                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2170                     SubstructureRedirectMask, &ev);
2171                 switch(ev.type) {
2172                 case ConfigureRequest:
2173                 case Expose:
2174                 case MapRequest:
2175                         handler[ev.type](&ev);
2176                         break;
2177                 case MotionNotify:
2178                         if (ev.xmotion.x <= 1)
2179                                 ev.xmotion.x = 1;
2180                         if (ev.xmotion.y <= 1)
2181                                 ev.xmotion.y = 1;
2182                         win->g.w = ev.xmotion.x;
2183                         win->g.h = ev.xmotion.y;
2184
2185                         /* not free, don't sync more than 60 times / second */
2186                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2187                                 time = ev.xmotion.time;
2188                                 XSync(display, False);
2189                                 resize_window(win, args->id);
2190                         }
2191                         break;
2192                 }
2193         } while (ev.type != ButtonRelease);
2194         if (time) {
2195                 XSync(display, False);
2196                 resize_window(win, args->id);
2197         }
2198         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2199             win->g.h - 1);
2200         XUngrabPointer(display, CurrentTime);
2201
2202         /* drain events */
2203         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2204 }
2205
2206 void
2207 move_window(struct ws_win *win)
2208 {
2209         unsigned int            mask;
2210         XWindowChanges          wc;
2211         struct swm_region       *r;
2212
2213         r = root_to_region(win->wa.root);
2214         bzero(&wc, sizeof wc);
2215         mask = CWX | CWY;
2216         wc.x = win->g.x;
2217         wc.y = win->g.y;
2218
2219         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2220             win->id, wc.x, wc.y, wc.width, wc.height);
2221
2222         XConfigureWindow(display, win->id, mask, &wc);
2223         config_win(win);
2224 }
2225
2226 void
2227 move(struct ws_win *win, union arg *args)
2228 {
2229         XEvent                  ev;
2230         Time                    time = 0;
2231         int                     restack = 0;
2232
2233         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2234             win->id, win->floating, win->transient);
2235
2236         if (win->floating == 0) {
2237                 win->floating = 1;
2238                 win->manual = 1;
2239                 restack = 1;
2240         }
2241
2242         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2243             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2244                 return;
2245         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2246         do {
2247                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2248                     SubstructureRedirectMask, &ev);
2249                 switch(ev.type) {
2250                 case ConfigureRequest:
2251                 case Expose:
2252                 case MapRequest:
2253                         handler[ev.type](&ev);
2254                         break;
2255                 case MotionNotify:
2256                         win->g.x = ev.xmotion.x_root;
2257                         win->g.y = ev.xmotion.y_root;
2258
2259                         /* not free, don't sync more than 60 times / second */
2260                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2261                                 time = ev.xmotion.time;
2262                                 XSync(display, False);
2263                                 move_window(win);
2264                         }
2265                         break;
2266                 }
2267         } while (ev.type != ButtonRelease);
2268         if (time) {
2269                 XSync(display, False);
2270                 move_window(win);
2271         }
2272         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2273         XUngrabPointer(display, CurrentTime);
2274         if (restack)
2275                 stack();
2276
2277         /* drain events */
2278         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2279 }
2280
2281 /* key definitions */
2282 void
2283 dummykeyfunc(struct swm_region *r, union arg *args)
2284 {
2285 };
2286
2287 void
2288 legacyfunc(struct swm_region *r, union arg *args)
2289 {
2290 };
2291
2292 struct keyfunc {
2293         char                    name[SWM_FUNCNAME_LEN];
2294         void                    (*func)(struct swm_region *r, union arg *);
2295         union arg               args;
2296 } keyfuncs[kf_invalid + 1] = {
2297         /* name                 function        argument */
2298         { "cycle_layout",       cycle_layout,   {0} },
2299         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2300         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2301         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2302         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2303         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2304         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2305         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2306         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2307         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2308         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2309         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2310         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2311         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2312         { "spawn_menu",         legacyfunc,     {0} },
2313         { "quit",               quit,           {0} },
2314         { "restart",            restart,        {0} },
2315         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2316         { "ws_1",               switchws,       {.id = 0} },
2317         { "ws_2",               switchws,       {.id = 1} },
2318         { "ws_3",               switchws,       {.id = 2} },
2319         { "ws_4",               switchws,       {.id = 3} },
2320         { "ws_5",               switchws,       {.id = 4} },
2321         { "ws_6",               switchws,       {.id = 5} },
2322         { "ws_7",               switchws,       {.id = 6} },
2323         { "ws_8",               switchws,       {.id = 7} },
2324         { "ws_9",               switchws,       {.id = 8} },
2325         { "ws_10",              switchws,       {.id = 9} },
2326         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2327         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2328         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2329         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2330         { "mvws_1",             send_to_ws,     {.id = 0} },
2331         { "mvws_2",             send_to_ws,     {.id = 1} },
2332         { "mvws_3",             send_to_ws,     {.id = 2} },
2333         { "mvws_4",             send_to_ws,     {.id = 3} },
2334         { "mvws_5",             send_to_ws,     {.id = 4} },
2335         { "mvws_6",             send_to_ws,     {.id = 5} },
2336         { "mvws_7",             send_to_ws,     {.id = 6} },
2337         { "mvws_8",             send_to_ws,     {.id = 7} },
2338         { "mvws_9",             send_to_ws,     {.id = 8} },
2339         { "mvws_10",            send_to_ws,     {.id = 9} },
2340         { "bar_toggle",         bar_toggle,     {0} },
2341         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2342         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2343         { "screenshot_all",     legacyfunc,     {0} },
2344         { "screenshot_wind",    legacyfunc,     {0} },
2345         { "float_toggle",       floating_toggle,{0} },
2346         { "version",            version,        {0} },
2347         { "spawn_lock",         legacyfunc,     {0} },
2348         { "spawn_initscr",      legacyfunc,     {0} },
2349         { "spawn_custom",       dummykeyfunc,   {0} },
2350         { "invalid key func",   NULL,           {0} },
2351 };
2352 struct key {
2353         unsigned int            mod;
2354         KeySym                  keysym;
2355         enum keyfuncid          funcid;
2356         char                    *spawn_name;
2357 };
2358 int                             keys_size = 0, keys_length = 0;
2359 struct key                      *keys = NULL;
2360
2361 /* mouse */
2362 enum { client_click, root_click };
2363 struct button {
2364         unsigned int            action;
2365         unsigned int            mask;
2366         unsigned int            button;
2367         void                    (*func)(struct ws_win *, union arg *);
2368         union arg               args;
2369 } buttons[] = {
2370           /* action     key             mouse button    func    args */
2371         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2372         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2373         { client_click, MODKEY,         Button1,        move,   {0} },
2374 };
2375
2376 void
2377 update_modkey(unsigned int mod)
2378 {
2379         int                     i;
2380
2381         mod_key = mod;
2382         for (i = 0; i < keys_length; i++)
2383                 if (keys[i].mod & ShiftMask)
2384                         keys[i].mod = mod | ShiftMask;
2385                 else
2386                         keys[i].mod = mod;
2387
2388         for (i = 0; i < LENGTH(buttons); i++)
2389                 if (buttons[i].mask & ShiftMask)
2390                         buttons[i].mask = mod | ShiftMask;
2391                 else
2392                         buttons[i].mask = mod;
2393 }
2394
2395 /* spawn */
2396 struct spawn_prog {
2397         char                    *name;
2398         int                     argc;
2399         char                    **argv;
2400 };
2401
2402 int                             spawns_size = 0, spawns_length = 0;
2403 struct spawn_prog               *spawns = NULL;
2404
2405 void
2406 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2407 {
2408         union arg               a;
2409         struct spawn_prog       *prog = NULL;
2410         int                     i;
2411         char                    *ap, **real_args;
2412
2413         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2414
2415         /* find program */
2416         for (i = 0; i < spawns_length; i++) {
2417                 if (!strcasecmp(spawn_name, spawns[i].name))
2418                         prog = &spawns[i];
2419         }
2420         if (prog == NULL) {
2421                 fprintf(stderr, "spawn_custom: program %s not found\n",
2422                     spawn_name);
2423                 return;
2424         }
2425
2426         /* make room for expanded args */
2427         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2428                 err(1, "spawn_custom: calloc real_args");
2429
2430         /* expand spawn_args into real_args */
2431         for (i = 0; i < prog->argc; i++) {
2432                 ap = prog->argv[i];
2433                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2434                 if (!strcasecmp(ap, "$bar_border")) {
2435                         if ((real_args[i] =
2436                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2437                             == NULL)
2438                                 err(1,  "spawn_custom border color");
2439                 } else if (!strcasecmp(ap, "$bar_color")) {
2440                         if ((real_args[i] =
2441                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2442                             == NULL)
2443                                 err(1, "spawn_custom bar color");
2444                 } else if (!strcasecmp(ap, "$bar_font")) {
2445                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2446                             == NULL)
2447                                 err(1, "spawn_custom bar fonts");
2448                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2449                         if ((real_args[i] =
2450                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2451                             == NULL)
2452                                 err(1, "spawn_custom color font");
2453                 } else if (!strcasecmp(ap, "$color_focus")) {
2454                         if ((real_args[i] =
2455                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2456                             == NULL)
2457                                 err(1, "spawn_custom color focus");
2458                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2459                         if ((real_args[i] =
2460                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2461                             == NULL)
2462                                 err(1, "spawn_custom color unfocus");
2463                 } else {
2464                         /* no match --> copy as is */
2465                         if ((real_args[i] = strdup(ap)) == NULL)
2466                                 err(1, "spawn_custom strdup(ap)");
2467                 }
2468                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2469                     real_args[i]);
2470         }
2471
2472 #ifdef SWM_DEBUG
2473         if ((swm_debug & SWM_D_SPAWN) != 0) {
2474                 fprintf(stderr, "spawn_custom: result = ");
2475                 for (i = 0; i < prog->argc; i++)
2476                         fprintf(stderr, "\"%s\" ", real_args[i]);
2477                 fprintf(stderr, "\n");
2478         }
2479 #endif
2480
2481         a.argv = real_args;
2482         spawn(r, &a);
2483         for (i = 0; i < prog->argc; i++)
2484                 free(real_args[i]);
2485         free(real_args);
2486 }
2487
2488 void
2489 setspawn(struct spawn_prog *prog)
2490 {
2491         int                     i, j;
2492
2493         if (prog == NULL || prog->name == NULL)
2494                 return;
2495
2496         /* find existing */
2497         for (i = 0; i < spawns_length; i++) {
2498                 if (!strcmp(spawns[i].name, prog->name)) {
2499                         /* found */
2500                         if (prog->argv == NULL) {
2501                                 /* delete */
2502                                 DNPRINTF(SWM_D_SPAWN,
2503                                     "setspawn: delete #%d %s\n",
2504                                     i, spawns[i].name);
2505                                 free(spawns[i].name);
2506                                 for (j = 0; j < spawns[i].argc; j++)
2507                                         free(spawns[i].argv[j]);
2508                                 free(spawns[i].argv);
2509                                 j = spawns_length - 1;
2510                                 if (i < j)
2511                                         spawns[i] = spawns[j];
2512                                 spawns_length--;
2513                                 free(prog->name);
2514                         } else {
2515                                 /* replace */
2516                                 DNPRINTF(SWM_D_SPAWN,
2517                                     "setspawn: replace #%d %s\n",
2518                                     i, spawns[i].name);
2519                                 free(spawns[i].name);
2520                                 for (j = 0; j < spawns[i].argc; j++)
2521                                         free(spawns[i].argv[j]);
2522                                 free(spawns[i].argv);
2523                                 spawns[i] = *prog;
2524                         }
2525                         /* found case handled */
2526                         free(prog);
2527                         return;
2528                 }
2529         }
2530
2531         if (prog->argv == NULL) {
2532                 fprintf(stderr,
2533                     "error: setspawn: cannot find program %s", prog->name);
2534                 free(prog);
2535                 return;
2536         }
2537
2538         /* not found: add */
2539         if (spawns_size == 0 || spawns == NULL) {
2540                 spawns_size = 4;
2541                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2542                 spawns = malloc((size_t)spawns_size *
2543                     sizeof(struct spawn_prog));
2544                 if (spawns == NULL) {
2545                         fprintf(stderr, "setspawn: malloc failed\n");
2546                         perror(" failed");
2547                         quit(NULL, NULL);
2548                 }
2549         } else if (spawns_length == spawns_size) {
2550                 spawns_size *= 2;
2551                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2552                 spawns = realloc(spawns, (size_t)spawns_size *
2553                     sizeof(struct spawn_prog));
2554                 if (spawns == NULL) {
2555                         fprintf(stderr, "setspawn: realloc failed\n");
2556                         perror(" failed");
2557                         quit(NULL, NULL);
2558                 }
2559         }
2560
2561         if (spawns_length < spawns_size) {
2562                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2563                     spawns_length, prog->name);
2564                 i = spawns_length++;
2565                 spawns[i] = *prog;
2566         } else {
2567                 fprintf(stderr, "spawns array problem?\n");
2568                 if (spawns == NULL) {
2569                         fprintf(stderr, "spawns array is NULL!\n");
2570                         quit(NULL, NULL);
2571                 }
2572         }
2573         free(prog);
2574 }
2575
2576 int
2577 setconfspawn(char *selector, char *value, int flags)
2578 {
2579         struct spawn_prog       *prog;
2580         char                    *vp, *cp, *word;
2581
2582         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2583         if ((prog = calloc(1, sizeof *prog)) == NULL)
2584                 err(1, "setconfspawn: calloc prog");
2585         prog->name = strdup(selector);
2586         if (prog->name == NULL)
2587                 err(1, "setconfspawn prog->name");
2588         if ((cp = vp = strdup(value)) == NULL)
2589                 err(1, "setconfspawn: strdup(value) ");
2590         while ((word = strsep(&cp, " \t")) != NULL) {
2591                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2592                 if (cp)
2593                         cp += (long)strspn(cp, " \t");
2594                 if (strlen(word) > 0) {
2595                         prog->argc++;
2596                         prog->argv = realloc(prog->argv,
2597                             prog->argc * sizeof(char *));
2598                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2599                                 err(1, "setconfspawn: strdup");
2600                 }
2601         }
2602         free(vp);
2603
2604         setspawn(prog);
2605
2606         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2607         return (0);
2608 }
2609
2610 void
2611 setup_spawn(void)
2612 {
2613         setconfspawn("term",            "xterm",                0);
2614         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2615         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2616         setconfspawn("lock",            "xlock",                0);
2617         setconfspawn("initscr",         "initscreen.sh",        0);
2618         setconfspawn("menu",            "dmenu_run"
2619                                         " -fn $bar_font"
2620                                         " -nb $bar_color"
2621                                         " -nf $bar_font_color"
2622                                         " -sb $bar_border"
2623                                         " -sf $bar_color",      0);
2624 }
2625
2626 /* key bindings */
2627 #define SWM_MODNAME_SIZE        32
2628 #define SWM_KEY_WS              "\n+ \t"
2629 int
2630 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2631 {
2632         char                    *cp, *name;
2633         KeySym                  uks;
2634         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2635         if (mod == NULL || ks == NULL) {
2636                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2637                 return (1);
2638         }
2639         if (keystr == NULL || strlen(keystr) == 0) {
2640                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2641                 return (1);
2642         }
2643         cp = keystr;
2644         *ks = NoSymbol;
2645         *mod = 0;
2646         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2647                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2648                 if (cp)
2649                         cp += (long)strspn(cp, SWM_KEY_WS);
2650                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2651                         *mod |= currmod;
2652                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2653                         *mod |= Mod1Mask;
2654                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2655                         *mod += Mod2Mask;
2656                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2657                         *mod |= Mod3Mask;
2658                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2659                         *mod |= Mod4Mask;
2660                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2661                         *mod |= ShiftMask;
2662                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2663                         *mod |= ControlMask;
2664                 else {
2665                         *ks = XStringToKeysym(name);
2666                         XConvertCase(*ks, ks, &uks);
2667                         if (ks == NoSymbol) {
2668                                 DNPRINTF(SWM_D_KEY,
2669                                     "parsekeys: invalid key %s\n",
2670                                     name);
2671                                 return (1);
2672                         }
2673                 }
2674         }
2675         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2676         return (0);
2677 }
2678
2679 char *
2680 strdupsafe(char *str)
2681 {
2682         if (str == NULL)
2683                 return (NULL);
2684         else
2685                 return (strdup(str));
2686 }
2687
2688 void
2689 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2690 {
2691         int                     i, j;
2692         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2693             keyfuncs[kfid].name, spawn_name);
2694         /* find existing */
2695         for (i = 0; i < keys_length; i++) {
2696                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2697                         if (kfid == kf_invalid) {
2698                                 /* found: delete */
2699                                 DNPRINTF(SWM_D_KEY,
2700                                     "setkeybinding: delete #%d %s\n",
2701                                     i, keyfuncs[keys[i].funcid].name);
2702                                 free(keys[i].spawn_name);
2703                                 j = keys_length - 1;
2704                                 if (i < j)
2705                                         keys[i] = keys[j];
2706                                 keys_length--;
2707                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2708                                 return;
2709                         } else {
2710                                 /* found: replace */
2711                                 DNPRINTF(SWM_D_KEY,
2712                                     "setkeybinding: replace #%d %s %s\n",
2713                                     i, keyfuncs[keys[i].funcid].name,
2714                                     spawn_name);
2715                                 free(keys[i].spawn_name);
2716                                 keys[i].mod = mod;
2717                                 keys[i].keysym = ks;
2718                                 keys[i].funcid = kfid;
2719                                 keys[i].spawn_name = strdupsafe(spawn_name);
2720                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2721                                 return;
2722                         }
2723                 }
2724         }
2725         if (kfid == kf_invalid) {
2726                 fprintf(stderr,
2727                     "error: setkeybinding: cannot find mod/key combination");
2728                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2729                 return;
2730         }
2731         /* not found: add */
2732         if (keys_size == 0 || keys == NULL) {
2733                 keys_size = 4;
2734                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2735                 keys = malloc((size_t)keys_size * sizeof(struct key));
2736                 if (!keys) {
2737                         fprintf(stderr, "malloc failed\n");
2738                         perror(" failed");
2739                         quit(NULL, NULL);
2740                 }
2741         } else if (keys_length == keys_size) {
2742                 keys_size *= 2;
2743                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2744                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2745                 if (!keys) {
2746                         fprintf(stderr, "realloc failed\n");
2747                         perror(" failed");
2748                         quit(NULL, NULL);
2749                 }
2750         }
2751         if (keys_length < keys_size) {
2752                 j = keys_length++;
2753                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2754                     j, keyfuncs[kfid].name, spawn_name);
2755                 keys[j].mod = mod;
2756                 keys[j].keysym = ks;
2757                 keys[j].funcid = kfid;
2758                 keys[j].spawn_name = strdupsafe(spawn_name);
2759         } else {
2760                 fprintf(stderr, "keys array problem?\n");
2761                 if (!keys) {
2762                         fprintf(stderr, "keys array problem\n");
2763                         quit(NULL, NULL);
2764                 }
2765         }
2766         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2767 }
2768
2769 int
2770 setconfbinding(char *selector, char *value, int flags)
2771 {
2772         enum keyfuncid          kfid;
2773         unsigned int            mod;
2774         KeySym                  ks;
2775         int                     i;
2776         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2777         if (selector == NULL) {
2778                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2779                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2780                         kfid = kf_invalid;
2781                         setkeybinding(mod, ks, kfid, NULL);
2782                         return (0);
2783                 } else
2784                         return (1);
2785         }
2786         /* search by key function name */
2787         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2788                 if (strncasecmp(selector, keyfuncs[kfid].name,
2789                     SWM_FUNCNAME_LEN) == 0) {
2790                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2791                             selector);
2792                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2793                                 setkeybinding(mod, ks, kfid, NULL);
2794                                 return (0);
2795                         } else
2796                                 return (1);
2797                 }
2798         }
2799         /* search by custom spawn name */
2800         for (i = 0; i < spawns_length; i++) {
2801                 if (strcasecmp(selector, spawns[i].name) == 0) {
2802                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2803                             selector);
2804                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2805                                 setkeybinding(mod, ks, kf_spawn_custom,
2806                                     spawns[i].name);
2807                                 return (0);
2808                         } else
2809                                 return (1);
2810                 }
2811         }
2812         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2813         return (1);
2814 }
2815
2816 void
2817 setup_keys(void)
2818 {
2819         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2820         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2821         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2822         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2823         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2824         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2825         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2826         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2827         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2828         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2829         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2830         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2831         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2832         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2833         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2834         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2835         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2836         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2837         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2838         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2839         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2840         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2841         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2842         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2843         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2844         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2845         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2846         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2847         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2848         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2849         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2850         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2851         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2852         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2853         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2854         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2855         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2856         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2857         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2858         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2859         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2860         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2861         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2862         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2863         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2864         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2865         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2866         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2867         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2868         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2869         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2870         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2871         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2872 }
2873
2874 void
2875 updatenumlockmask(void)
2876 {
2877         unsigned int            i, j;
2878         XModifierKeymap         *modmap;
2879
2880         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2881         numlockmask = 0;
2882         modmap = XGetModifierMapping(display);
2883         for (i = 0; i < 8; i++)
2884                 for (j = 0; j < modmap->max_keypermod; j++)
2885                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2886                           == XKeysymToKeycode(display, XK_Num_Lock))
2887                                 numlockmask = (1 << i);
2888
2889         XFreeModifiermap(modmap);
2890 }
2891
2892 void
2893 grabkeys(void)
2894 {
2895         unsigned int            i, j, k;
2896         KeyCode                 code;
2897         unsigned int            modifiers[] =
2898             { 0, LockMask, numlockmask, numlockmask | LockMask };
2899
2900         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2901         updatenumlockmask();
2902
2903         for (k = 0; k < ScreenCount(display); k++) {
2904                 if (TAILQ_EMPTY(&screens[k].rl))
2905                         continue;
2906                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2907                 for (i = 0; i < keys_length; i++) {
2908                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2909                                 for (j = 0; j < LENGTH(modifiers); j++)
2910                                         XGrabKey(display, code,
2911                                             keys[i].mod | modifiers[j],
2912                                             screens[k].root, True,
2913                                             GrabModeAsync, GrabModeAsync);
2914                 }
2915         }
2916 }
2917
2918 void
2919 grabbuttons(struct ws_win *win, int focused)
2920 {
2921         unsigned int            i, j;
2922         unsigned int            modifiers[] =
2923             { 0, LockMask, numlockmask, numlockmask|LockMask };
2924
2925         updatenumlockmask();
2926         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2927         if(focused) {
2928                 for (i = 0; i < LENGTH(buttons); i++)
2929                         if (buttons[i].action == client_click)
2930                                 for (j = 0; j < LENGTH(modifiers); j++)
2931                                         XGrabButton(display, buttons[i].button,
2932                                             buttons[i].mask | modifiers[j],
2933                                             win->id, False, BUTTONMASK,
2934                                             GrabModeAsync, GrabModeSync, None,
2935                                             None);
2936         } else
2937                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2938                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2939 }
2940
2941 const char *quirkname[] = {
2942         "NONE",         /* config string for "no value" */
2943         "FLOAT",
2944         "TRANSSZ",
2945         "ANYWHERE",
2946         "XTERM_FONTADJ",
2947         "FULLSCREEN",
2948 };
2949
2950 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
2951 #define SWM_Q_WS                "\n|+ \t"
2952 int
2953 parsequirks(char *qstr, unsigned long *quirk)
2954 {
2955         char                    *cp, *name;
2956         int                     i;
2957
2958         if (quirk == NULL)
2959                 return (1);
2960
2961         cp = qstr;
2962         *quirk = 0;
2963         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
2964                 if (cp)
2965                         cp += (long)strspn(cp, SWM_Q_WS);
2966                 for (i = 0; i < LENGTH(quirkname); i++) {
2967                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
2968                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
2969                                 if (i == 0) {
2970                                         *quirk = 0;
2971                                         return (0);
2972                                 }
2973                                 *quirk |= 1 << (i-1);
2974                                 break;
2975                         }
2976                 }
2977                 if (i >= LENGTH(quirkname)) {
2978                         DNPRINTF(SWM_D_QUIRK,
2979                             "parsequirks: invalid quirk [%s]\n", name);
2980                         return (1);
2981                 }
2982         }
2983         return (0);
2984 }
2985
2986 void
2987 setquirk(const char *class, const char *name, const int quirk)
2988 {
2989         int                     i, j;
2990
2991         /* find existing */
2992         for (i = 0; i < quirks_length; i++) {
2993                 if (!strcmp(quirks[i].class, class) &&
2994                     !strcmp(quirks[i].name, name)) {
2995                         if (!quirk) {
2996                                 /* found: delete */
2997                                 DNPRINTF(SWM_D_QUIRK,
2998                                     "setquirk: delete #%d %s:%s\n",
2999                                     i, quirks[i].class, quirks[i].name);
3000                                 free(quirks[i].class);
3001                                 free(quirks[i].name);
3002                                 j = quirks_length - 1;
3003                                 if (i < j)
3004                                         quirks[i] = quirks[j];
3005                                 quirks_length--;
3006                                 return;
3007                         } else {
3008                                 /* found: replace */
3009                                 DNPRINTF(SWM_D_QUIRK,
3010                                     "setquirk: replace #%d %s:%s\n",
3011                                     i, quirks[i].class, quirks[i].name);
3012                                 free(quirks[i].class);
3013                                 free(quirks[i].name);
3014                                 quirks[i].class = strdup(class);
3015                                 quirks[i].name = strdup(name);
3016                                 quirks[i].quirk = quirk;
3017                                 return;
3018                         }
3019                 }
3020         }
3021         if (!quirk) {
3022                 fprintf(stderr,
3023                     "error: setquirk: cannot find class/name combination");
3024                 return;
3025         }
3026         /* not found: add */
3027         if (quirks_size == 0 || quirks == NULL) {
3028                 quirks_size = 4;
3029                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3030                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3031                 if (!quirks) {
3032                         fprintf(stderr, "setquirk: malloc failed\n");
3033                         perror(" failed");
3034                         quit(NULL, NULL);
3035                 }
3036         } else if (quirks_length == quirks_size) {
3037                 quirks_size *= 2;
3038                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3039                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3040                 if (!quirks) {
3041                         fprintf(stderr, "setquirk: realloc failed\n");
3042                         perror(" failed");
3043                         quit(NULL, NULL);
3044                 }
3045         }
3046         if (quirks_length < quirks_size) {
3047                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3048                 j = quirks_length++;
3049                 quirks[j].class = strdup(class);
3050                 quirks[j].name = strdup(name);
3051                 quirks[j].quirk = quirk;
3052         } else {
3053                 fprintf(stderr, "quirks array problem?\n");
3054                 if (!quirks) {
3055                         fprintf(stderr, "quirks array problem!\n");
3056                         quit(NULL, NULL);
3057                 }
3058         }
3059 }
3060
3061 int
3062 setconfquirk(char *selector, char *value, int flags)
3063 {
3064         char                    *cp, *class, *name;
3065         int                     retval;
3066         unsigned long           quirks;
3067         if (selector == NULL)
3068                 return (0);
3069         if ((cp = strchr(selector, ':')) == NULL)
3070                 return (0);
3071         *cp = '\0';
3072         class = selector;
3073         name = cp + 1;
3074         if ((retval = parsequirks(value, &quirks)) == 0)
3075                 setquirk(class, name, quirks);
3076         return (retval);
3077 }
3078
3079 void
3080 setup_quirks(void)
3081 {
3082         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3083         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3084         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3085         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3086         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3087         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3088         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3089         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3090         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3091         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3092         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3093         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3094         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3095 }
3096
3097 /* conf file stuff */
3098 #define SWM_CONF_FILE   "scrotwm.conf"
3099
3100 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3101           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3102           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3103           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3104           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3105
3106 int
3107 setconfvalue(char *selector, char *value, int flags)
3108 {
3109         switch (flags) {
3110         case SWM_S_BAR_DELAY:
3111                 bar_delay = atoi(value);
3112                 break;
3113         case SWM_S_BAR_ENABLED:
3114                 bar_enabled = atoi(value);
3115                 break;
3116         case SWM_S_STACK_ENABLED:
3117                 stack_enabled = atoi(value);
3118                 break;
3119         case SWM_S_CLOCK_ENABLED:
3120                 clock_enabled = atoi(value);
3121                 break;
3122         case SWM_S_CYCLE_EMPTY:
3123                 cycle_empty = atoi(value);
3124                 break;
3125         case SWM_S_CYCLE_VISIBLE:
3126                 cycle_visible = atoi(value);
3127                 break;
3128         case SWM_S_SS_ENABLED:
3129                 ss_enabled = atoi(value);
3130                 break;
3131         case SWM_S_TERM_WIDTH:
3132                 term_width = atoi(value);
3133                 break;
3134         case SWM_S_TITLE_CLASS_ENABLED:
3135                 title_class_enabled = atoi(value);
3136                 break;
3137         case SWM_S_TITLE_NAME_ENABLED:
3138                 title_name_enabled = atoi(value);
3139                 break;
3140         case SWM_S_BAR_FONT:
3141                 free(bar_fonts[0]);
3142                 if ((bar_fonts[0] = strdup(value)) == NULL)
3143                         err(1, "setconfvalue: bar_font");
3144                 break;
3145         case SWM_S_BAR_ACTION:
3146                 free(bar_argv[0]);
3147                 if ((bar_argv[0] = strdup(value)) == NULL)
3148                         err(1, "setconfvalue: bar_action");
3149                 break;
3150         case SWM_S_SPAWN_TERM:
3151                 free(spawn_term[0]);
3152                 if ((spawn_term[0] = strdup(value)) == NULL)
3153                         err(1, "setconfvalue: spawn_term");
3154                 break;
3155         case SWM_S_SS_APP:
3156                 break;
3157         case SWM_S_DIALOG_RATIO:
3158                 dialog_ratio = atof(value);
3159                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3160                         dialog_ratio = .6;
3161                 break;
3162         default:
3163                 return (1);
3164         }
3165         return (0);
3166 }
3167
3168 int
3169 setconfmodkey(char *selector, char *value, int flags)
3170 {
3171         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3172                 update_modkey(Mod1Mask);
3173         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3174                 update_modkey(Mod2Mask);
3175         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3176                 update_modkey(Mod3Mask);
3177         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3178                 update_modkey(Mod4Mask);
3179         else
3180                 return (1);
3181         return (0);
3182 }
3183
3184 int
3185 setconfcolor(char *selector, char *value, int flags)
3186 {
3187         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3188         return (0);
3189 }
3190
3191 int
3192 setconfregion(char *selector, char *value, int flags)
3193 {
3194         custom_region(value);
3195         return (0);
3196 }
3197
3198 /* config options */
3199 struct config_option {
3200         char                    *optname;
3201         int (*func)(char*, char*, int);
3202         int funcflags;
3203 };
3204 struct config_option configopt[] = {
3205         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3206         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3207         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3208         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3209         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3210         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3211         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3212         { "bind",                       setconfbinding, 0 },
3213         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3214         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3215         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3216         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3217         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3218         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3219         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3220         { "modkey",                     setconfmodkey,  0 },
3221         { "program",                    setconfspawn,   0 },
3222         { "quirk",                      setconfquirk,   0 },
3223         { "region",                     setconfregion,  0 },
3224         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3225         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3226         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3227         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3228         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3229         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3230 };
3231
3232
3233 int
3234 conf_load(char *filename)
3235 {
3236         FILE                    *config;
3237         char                    *line, *cp, *optsub, *optval;
3238         size_t                  linelen, lineno = 0;
3239         int                     wordlen, i, optind;
3240         struct config_option    *opt;
3241
3242         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3243
3244         if (filename == NULL) {
3245                 fprintf(stderr, "conf_load: no filename\n");
3246                 return (1);
3247         }
3248         if ((config = fopen(filename, "r")) == NULL) {
3249                 warn("conf_load: fopen");
3250                 return (1);
3251         }
3252
3253         while (!feof(config)) {
3254                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3255                     == NULL) {
3256                         if (ferror(config))
3257                                 err(1, "%s", filename);
3258                         else
3259                                 continue;
3260                 }
3261                 cp = line;
3262                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3263                 if (cp[0] == '\0') {
3264                         /* empty line */
3265                         free(line);
3266                         continue;
3267                 }
3268                 /* get config option */
3269                 wordlen = strcspn(cp, "=[ \t\n");
3270                 if (wordlen == 0) {
3271                         warnx("%s: line %zd: no option found",
3272                             filename, lineno);
3273                         return (1);
3274                 }
3275                 optind = -1;
3276                 for (i = 0; i < LENGTH(configopt); i++) {
3277                         opt = &configopt[i];
3278                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3279                             strlen(opt->optname) == wordlen) {
3280                                 optind = i;
3281                                 break;
3282                         }
3283                 }
3284                 if (optind == -1) {
3285                         warnx("%s: line %zd: unknown option %.*s",
3286                             filename, lineno, wordlen, cp);
3287                         return (1);
3288                 }
3289                 cp += wordlen;
3290                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3291                 /* get [selector] if any */
3292                 optsub = NULL;
3293                 if (*cp == '[') {
3294                         cp++;
3295                         wordlen = strcspn(cp, "]");
3296                         if (*cp != ']') {
3297                                 if (wordlen == 0) {
3298                                         warnx("%s: line %zd: syntax error",
3299                                             filename, lineno);
3300                                         return (1);
3301                                 }
3302                                 asprintf(&optsub, "%.*s", wordlen, cp);
3303                         }
3304                         cp += wordlen;
3305                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3306                 }
3307                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3308                 /* get RHS value */
3309                 optval = strdup(cp);
3310                 /* call function to deal with it all */
3311                 if (configopt[optind].func(optsub, optval,
3312                     configopt[optind].funcflags) != 0) {
3313                         fprintf(stderr, "%s line %zd: %s\n",
3314                             filename, lineno, line);
3315                         errx(1, "%s: line %zd: invalid data for %s",
3316                             filename, lineno, configopt[optind].optname);
3317                 }
3318                 free(optval);
3319                 free(optsub);
3320                 free(line);
3321         }
3322
3323         fclose(config);
3324         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3325
3326         return (0);
3327 }
3328
3329 struct ws_win *
3330 manage_window(Window id)
3331 {
3332         Window                  trans = 0;
3333         struct workspace        *ws;
3334         struct ws_win           *win, *ww, *parent;
3335         int                     format, i, ws_idx, n, border_me = 0;
3336         unsigned long           nitems, bytes;
3337         Atom                    ws_idx_atom = 0, type;
3338         Atom                    *prot = NULL, *pp;
3339         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3340         struct swm_region       *r;
3341         long                    mask;
3342         const char              *errstr;
3343         XWindowChanges          wc;
3344
3345         if ((win = find_window(id)) != NULL)
3346                         return (win);   /* already being managed */
3347
3348         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3349                 errx(1, "calloc: failed to allocate memory for new window");
3350
3351         /* Get all the window data in one shot */
3352         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3353         if (ws_idx_atom)
3354                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3355                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3356         XGetWindowAttributes(display, id, &win->wa);
3357         XGetWMNormalHints(display, id, &win->sh, &mask);
3358         XGetTransientForHint(display, id, &trans);
3359         if (trans) {
3360                 win->transient = trans;
3361                 parent = find_window(win->transient);
3362                 if (parent)
3363                         parent->child_trans = win;
3364                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3365                     (unsigned)win->id, win->transient);
3366         }
3367         /* get supported protocols */
3368         if (XGetWMProtocols(display, id, &prot, &n)) {
3369                 for (i = 0, pp = prot; i < n; i++, pp++) {
3370                         if (*pp == takefocus)
3371                                 win->take_focus = 1;
3372                         if (*pp == adelete)
3373                                 win->can_delete = 1;
3374                 }
3375                 if (prot)
3376                         XFree(prot);
3377         }
3378
3379         /*
3380          * Figure out where to put the window. If it was previously assigned to
3381          * a workspace (either by spawn() or manually moving), and isn't
3382          * transient, * put it in the same workspace
3383          */
3384         r = root_to_region(win->wa.root);
3385         if (prop && win->transient == 0) {
3386                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3387                 ws_idx = strtonum(prop, 0, 9, &errstr);
3388                 if (errstr) {
3389                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3390                             errstr, prop);
3391                 }
3392                 ws = &r->s->ws[ws_idx];
3393         } else {
3394                 ws = r->ws;
3395                 /* this should launch transients in the same ws as parent */
3396                 if (id && trans)
3397                         if ((ww = find_window(trans)) != NULL)
3398                                 if (ws->r) {
3399                                         ws = ww->ws;
3400                                         if (ww->ws->r)
3401                                                 r = ww->ws->r;
3402                                         else
3403                                                 fprintf(stderr,
3404                                                     "fix this bug mcbride\n");
3405                                         border_me = 1;
3406                                 }
3407         }
3408
3409         /* set up the window layout */
3410         win->id = id;
3411         win->ws = ws;
3412         win->s = r->s;  /* this never changes */
3413         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3414
3415         win->g.w = win->wa.width;
3416         win->g.h = win->wa.height;
3417         win->g.x = win->wa.x;
3418         win->g.y = win->wa.y;
3419
3420         /* Set window properties so we can remember this after reincarnation */
3421         if (ws_idx_atom && prop == NULL &&
3422             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3423                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3424                     ws_idx_str);
3425                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3426                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3427         }
3428         XFree(prop);
3429
3430         if (XGetClassHint(display, win->id, &win->ch)) {
3431                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3432                     win->ch.res_class, win->ch.res_name);
3433
3434                 /* java is retarded so treat it special */
3435                 if (strstr(win->ch.res_name, "sun-awt"))
3436                         win->java = 1;
3437
3438                 for (i = 0; i < quirks_length; i++){
3439                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3440                             !strcmp(win->ch.res_name, quirks[i].name)) {
3441                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3442                                     win->ch.res_class, win->ch.res_name);
3443                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3444                                         win->floating = 1;
3445                                 win->quirks = quirks[i].quirk;
3446                         }
3447                 }
3448         }
3449
3450         /* alter window position if quirky */
3451         if (win->quirks & SWM_Q_ANYWHERE) {
3452                 win->manual = 1; /* don't center the quirky windows */
3453                 bzero(&wc, sizeof wc);
3454                 mask = 0;
3455                 if (win->g.y < bar_height) {
3456                         win->g.y = wc.y = bar_height;
3457                         mask |= CWY;
3458                 }
3459                 if (win->g.w + win->g.x > WIDTH(r)) {
3460                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3461                         mask |= CWX;
3462                 }
3463                 border_me = 1;
3464         }
3465
3466         /* Reset font sizes (the bruteforce way; no default keybinding). */
3467         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3468                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3469                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3470                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3471                         fake_keypress(win, XK_KP_Add, ShiftMask);
3472         }
3473
3474         /* border me */
3475         if (border_me) {
3476                 bzero(&wc, sizeof wc);
3477                 wc.border_width = 1;
3478                 mask = CWBorderWidth;
3479                 XConfigureWindow(display, win->id, mask, &wc);
3480         }
3481
3482         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3483             PropertyChangeMask | StructureNotifyMask);
3484
3485         set_win_state(win, NormalState);
3486
3487         /* floaters need to be mapped if they are in the current workspace */
3488         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3489                 XMapRaised(display, win->id);
3490
3491         return (win);
3492 }
3493
3494 void
3495 unmanage_window(struct ws_win *win)
3496 {
3497         struct workspace        *ws;
3498         struct ws_win           *parent;
3499
3500         if (win == NULL)
3501                 return;
3502
3503         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3504
3505         /* needed for restart wm */
3506         set_win_state(win, WithdrawnState);
3507
3508         if (win->transient) {
3509                 parent = find_window(win->transient);
3510                 if (parent)
3511                         parent->child_trans = NULL;
3512         }
3513
3514         ws = win->ws;
3515         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3516         if (win->ch.res_class)
3517                 XFree(win->ch.res_class);
3518         if (win->ch.res_name)
3519                 XFree(win->ch.res_name);
3520         free(win);
3521 }
3522
3523 void
3524 focus_magic(struct ws_win *win)
3525 {
3526         if (win->child_trans) {
3527                 /* win = parent & has a transient so focus on that */
3528                 if (win->java) {
3529                         focus_win(win->child_trans);
3530                         if (win->child_trans->take_focus)
3531                                 client_msg(win, takefocus);
3532                 } else {
3533                         focus_win(win->child_trans);
3534                         if (win->child_trans->take_focus)
3535                                 client_msg(win->child_trans, takefocus);
3536                 }
3537         } else {
3538                 /* regular focus */
3539                 focus_win(win);
3540                 if (win->take_focus)
3541                         client_msg(win, takefocus);
3542         }
3543 }
3544
3545 void
3546 expose(XEvent *e)
3547 {
3548         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3549 }
3550
3551 void
3552 keypress(XEvent *e)
3553 {
3554         unsigned int            i;
3555         KeySym                  keysym;
3556         XKeyEvent               *ev = &e->xkey;
3557
3558         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3559
3560         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3561         for (i = 0; i < keys_length; i++)
3562                 if (keysym == keys[i].keysym
3563                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3564                    && keyfuncs[keys[i].funcid].func) {
3565                         if (keys[i].funcid == kf_spawn_custom)
3566                                 spawn_custom(
3567                                     root_to_region(ev->root),
3568                                     &(keyfuncs[keys[i].funcid].args),
3569                                     keys[i].spawn_name
3570                                     );
3571                         else
3572                                 keyfuncs[keys[i].funcid].func(
3573                                     root_to_region(ev->root),
3574                                     &(keyfuncs[keys[i].funcid].args)
3575                                     );
3576                 }
3577 }
3578
3579 void
3580 buttonpress(XEvent *e)
3581 {
3582         XButtonPressedEvent     *ev = &e->xbutton;
3583
3584         struct ws_win           *win;
3585         int                     i, action;
3586
3587         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3588
3589         action = root_click;
3590         if ((win = find_window(ev->window)) == NULL)
3591                 return;
3592
3593         focus_magic(win);
3594         action = client_click;
3595
3596         for (i = 0; i < LENGTH(buttons); i++)
3597                 if (action == buttons[i].action && buttons[i].func &&
3598                     buttons[i].button == ev->button &&
3599                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3600                         buttons[i].func(win, &buttons[i].args);
3601 }
3602
3603 void
3604 configurerequest(XEvent *e)
3605 {
3606         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3607         struct ws_win           *win;
3608         int                     new = 0;
3609         XWindowChanges          wc;
3610
3611         if ((win = find_window(ev->window)) == NULL)
3612                 new = 1;
3613
3614         if (new) {
3615                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3616                     ev->window);
3617                 bzero(&wc, sizeof wc);
3618                 wc.x = ev->x;
3619                 wc.y = ev->y;
3620                 wc.width = ev->width;
3621                 wc.height = ev->height;
3622                 wc.border_width = ev->border_width;
3623                 wc.sibling = ev->above;
3624                 wc.stack_mode = ev->detail;
3625                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3626         } else {
3627                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3628                     ev->window);
3629                 if (win->floating) {
3630                         if (ev->value_mask & CWX)
3631                                 win->g.x = ev->x;
3632                         if (ev->value_mask & CWY)
3633                                 win->g.y = ev->y;
3634                         if (ev->value_mask & CWWidth)
3635                                 win->g.w = ev->width;
3636                         if (ev->value_mask & CWHeight)
3637                                 win->g.h = ev->height;
3638                         if (win->ws->r != NULL) {
3639                                 /* this seems to be full screen */
3640                                 if (win->g.w >= WIDTH(win->ws->r)) {
3641                                         win->g.x = 0;
3642                                         win->g.w = WIDTH(win->ws->r);
3643                                         ev->value_mask |= CWX | CWWidth;
3644                                 }
3645                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3646                                         /* kill border */
3647                                         win->g.y = 0;
3648                                         win->g.h = HEIGHT(win->ws->r);
3649                                         ev->value_mask |= CWY | CWHeight;
3650                                 }
3651                         }
3652                         if ((ev->value_mask & (CWX | CWY)) &&
3653                             !(ev->value_mask & (CWWidth | CWHeight)))
3654                                 config_win(win);
3655                         XMoveResizeWindow(display, win->id,
3656                             win->g.x, win->g.y, win->g.w, win->g.h);
3657                 } else
3658                         config_win(win);
3659         }
3660 }
3661
3662 void
3663 configurenotify(XEvent *e)
3664 {
3665         struct ws_win           *win;
3666         long                    mask;
3667
3668         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3669             e->xconfigure.window);
3670
3671         XMapWindow(display, e->xconfigure.window);
3672         win = find_window(e->xconfigure.window);
3673         if (win) {
3674                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3675                 adjust_font(win);
3676                 XMapWindow(display, win->id);
3677                 if (font_adjusted)
3678                         stack();
3679         }
3680 }
3681
3682 void
3683 destroynotify(XEvent *e)
3684 {
3685         struct ws_win           *win, *winfocus = NULL;
3686         struct workspace        *ws;
3687         struct ws_win_list      *wl;
3688         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3689
3690         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3691
3692         if ((win = find_window(ev->window)) != NULL) {
3693                 /* find a window to focus */
3694                 ws = win->ws;
3695                 wl = &ws->winlist;
3696
3697                 /* if we are transient give focus to parent */
3698                 if (win->transient)
3699                         winfocus = find_window(win->transient);
3700                 else if (ws->focus == win) {
3701                         /* if in max_stack try harder */
3702                         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3703                                 if (win != ws->focus_prev)
3704                                         winfocus = ws->focus_prev;
3705                                 else if (win != ws->focus)
3706                                         winfocus = ws->focus;
3707                         }
3708
3709                         /* fallback and normal handling */
3710                         if (winfocus == NULL) {
3711                                 if (TAILQ_FIRST(wl) == win)
3712                                         winfocus = TAILQ_NEXT(win, entry);
3713                                 else {
3714                                         winfocus = TAILQ_PREV(ws->focus,
3715                                             ws_win_list, entry);
3716                                         if (winfocus == NULL)
3717                                                 winfocus = TAILQ_LAST(wl,
3718                                                     ws_win_list);
3719                                 }
3720                         }
3721                 }
3722                 unmanage_window(win);
3723
3724                 ignore_enter = 1;
3725                 stack();
3726                 if (winfocus)
3727                         focus_win(winfocus);
3728                 ignore_enter = 0;
3729         }
3730 }
3731
3732 void
3733 enternotify(XEvent *e)
3734 {
3735         XCrossingEvent          *ev = &e->xcrossing;
3736         struct ws_win           *win;
3737
3738         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3739
3740         if (ignore_enter) {
3741                 /* eat event(r) to prevent autofocus */
3742                 ignore_enter = 0;
3743                 return;
3744         }
3745         /*
3746          * happens when a window is created or destroyed and the border
3747          * crosses the mouse pointer
3748          */
3749         if (QLength(display))
3750                 return;
3751
3752         if ((win = find_window(ev->window)) == NULL)
3753                 return;
3754
3755         focus_magic(win);
3756 }
3757
3758 void
3759 focusin(XEvent *e)
3760 {
3761         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3762 }
3763
3764 void
3765 focusout(XEvent *e)
3766 {
3767         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3768 }
3769
3770 void
3771 mapnotify(XEvent *e)
3772 {
3773         struct ws_win           *win;
3774         XMapEvent               *ev = &e->xmap;
3775
3776         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3777
3778         win = find_window(ev->window);
3779         if (win)
3780                 set_win_state(win, NormalState);
3781 }
3782
3783 void
3784 mappingnotify(XEvent *e)
3785 {
3786         XMappingEvent           *ev = &e->xmapping;
3787
3788         XRefreshKeyboardMapping(ev);
3789         if (ev->request == MappingKeyboard)
3790                 grabkeys();
3791 }
3792
3793 void
3794 maprequest(XEvent *e)
3795 {
3796         struct ws_win           *win;
3797         struct swm_region       *r;
3798
3799         XMapRequestEvent        *ev = &e->xmaprequest;
3800         XWindowAttributes       wa;
3801
3802         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3803             e->xmaprequest.window);
3804
3805         if (!XGetWindowAttributes(display, ev->window, &wa))
3806                 return;
3807         if (wa.override_redirect)
3808                 return;
3809
3810         win = manage_window(e->xmaprequest.window);
3811         if (win == NULL)
3812                 return; /* can't happen */
3813
3814         ignore_enter = 1;
3815         stack();
3816         ignore_enter = 0;
3817
3818         /* make new win focused */
3819         r = root_to_region(win->wa.root);
3820         if (win->ws == r->ws)
3821                 focus_win(win);
3822 }
3823
3824 void
3825 propertynotify(XEvent *e)
3826 {
3827         struct ws_win           *win;
3828         XPropertyEvent          *ev = &e->xproperty;
3829
3830         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3831             ev->window);
3832
3833         if (ev->state == PropertyDelete)
3834                 return; /* ignore */
3835         win = find_window(ev->window);
3836         if (win == NULL)
3837                 return;
3838
3839         switch (ev->atom) {
3840         case XA_WM_NORMAL_HINTS:
3841 #if 0
3842                 long            mask;
3843                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3844                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3845                 if (win->sh.flags & PMinSize) {
3846                         win->g.w = win->sh.min_width;
3847                         win->g.h = win->sh.min_height;
3848                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3849                 }
3850                 XMoveResizeWindow(display, win->id,
3851                     win->g.x, win->g.y, win->g.w, win->g.h);
3852 #endif
3853                 break;
3854         default:
3855                 break;
3856         }
3857 }
3858
3859 void
3860 unmapnotify(XEvent *e)
3861 {
3862         struct ws_win           *win, *winfocus = NULL;
3863         struct workspace        *ws;
3864
3865         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3866
3867         /* determine if we need to help unmanage this window */
3868         win = find_window(e->xunmap.window);
3869         if (win == NULL)
3870                 return;
3871
3872         /* java can not deal with this heuristic */
3873         if (win->java)
3874                 return;
3875
3876         if (getstate(e->xunmap.window) == NormalState) {
3877                 /*
3878                  * this window does not have a destroy event but but it is no
3879                  * longer visible due to the app unmapping it so unmanage it
3880                  */
3881                 ws = win->ws;
3882                 /* if we are max_stack try harder to focus on something */
3883                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3884                         if (win->transient)
3885                                 winfocus = find_window(win->transient);
3886                         else if (win != ws->focus_prev)
3887                                 winfocus = ws->focus_prev;
3888                         else if (win != ws->focus)
3889                                 winfocus = ws->focus;
3890                 }
3891
3892                 /* normal and fallback if haven't found anything to focus on */
3893                 if (winfocus == NULL) {
3894                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3895                         if (TAILQ_FIRST(&ws->winlist) == win)
3896                                 winfocus = TAILQ_NEXT(win, entry);
3897                         else {
3898                                 if (ws->focus)
3899                                         winfocus = TAILQ_PREV(ws->focus,
3900                                             ws_win_list, entry);
3901                                 if (winfocus == NULL)
3902                                         winfocus = TAILQ_LAST(&ws->winlist,
3903                                             ws_win_list);
3904                         }
3905                 }
3906
3907                 /* trash window and refocus */
3908                 unmanage_window(win);
3909                 ignore_enter = 1;
3910                 stack();
3911                 focus_win(winfocus);
3912                 ignore_enter = 0;
3913         }
3914 }
3915
3916 void
3917 visibilitynotify(XEvent *e)
3918 {
3919         int                     i;
3920         struct swm_region       *r;
3921
3922         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
3923             e->xvisibility.window);
3924         if (e->xvisibility.state == VisibilityUnobscured)
3925                 for (i = 0; i < ScreenCount(display); i++)
3926                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3927                                 if (e->xvisibility.window == r->bar_window)
3928                                         bar_update();
3929 }
3930
3931 int
3932 xerror_start(Display *d, XErrorEvent *ee)
3933 {
3934         other_wm = 1;
3935         return (-1);
3936 }
3937
3938 int
3939 xerror(Display *d, XErrorEvent *ee)
3940 {
3941         /* fprintf(stderr, "error: %p %p\n", display, ee); */
3942         return (-1);
3943 }
3944
3945 int
3946 active_wm(void)
3947 {
3948         other_wm = 0;
3949         xerrorxlib = XSetErrorHandler(xerror_start);
3950
3951         /* this causes an error if some other window manager is running */
3952         XSelectInput(display, DefaultRootWindow(display),
3953             SubstructureRedirectMask);
3954         XSync(display, False);
3955         if (other_wm)
3956                 return (1);
3957
3958         XSetErrorHandler(xerror);
3959         XSync(display, False);
3960         return (0);
3961 }
3962
3963 void
3964 new_region(struct swm_screen *s, int x, int y, int w, int h)
3965 {
3966         struct swm_region       *r, *n;
3967         struct workspace        *ws = NULL;
3968         int                     i;
3969
3970         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
3971              s->idx, w, h, x, y);
3972
3973         /* remove any conflicting regions */
3974         n = TAILQ_FIRST(&s->rl);
3975         while (n) {
3976                 r = n;
3977                 n = TAILQ_NEXT(r, entry);
3978                 if (X(r) < (x + w) &&
3979                     (X(r) + WIDTH(r)) > x &&
3980                     Y(r) < (y + h) &&
3981                     (Y(r) + HEIGHT(r)) > y) {
3982                         XDestroyWindow(display, r->bar_window);
3983                         TAILQ_REMOVE(&s->rl, r, entry);
3984                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
3985                 }
3986         }
3987
3988         /* search old regions for one to reuse */
3989
3990         /* size + location match */
3991         TAILQ_FOREACH(r, &s->orl, entry)
3992                 if (X(r) == x && Y(r) == y &&
3993                     HEIGHT(r) == h && WIDTH(r) == w)
3994                         break;
3995
3996         /* size match */
3997         TAILQ_FOREACH(r, &s->orl, entry)
3998                 if (HEIGHT(r) == h && WIDTH(r) == w)
3999                         break;
4000
4001         if (r != NULL) {
4002                 TAILQ_REMOVE(&s->orl, r, entry);
4003                 /* try to use old region's workspace */
4004                 if (r->ws->r == NULL)
4005                         ws = r->ws;
4006         } else
4007                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4008                         errx(1, "calloc: failed to allocate memory for screen");
4009
4010         /* if we don't have a workspace already, find one */
4011         if (ws == NULL) {
4012                 for (i = 0; i < SWM_WS_MAX; i++)
4013                         if (s->ws[i].r == NULL) {
4014                                 ws = &s->ws[i];
4015                                 break;
4016                         }
4017         }
4018
4019         if (ws == NULL)
4020                 errx(1, "no free workspaces\n");
4021
4022         X(r) = x;
4023         Y(r) = y;
4024         WIDTH(r) = w;
4025         HEIGHT(r) = h;
4026         r->s = s;
4027         r->ws = ws;
4028         ws->r = r;
4029         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4030 }
4031
4032 void
4033 scan_xrandr(int i)
4034 {
4035 #ifdef SWM_XRR_HAS_CRTC
4036         XRRCrtcInfo             *ci;
4037         XRRScreenResources      *sr;
4038         int                     c;
4039         int                     ncrtc = 0;
4040 #endif /* SWM_XRR_HAS_CRTC */
4041         struct swm_region       *r;
4042
4043
4044         if (i >= ScreenCount(display))
4045                 errx(1, "invalid screen");
4046
4047         /* remove any old regions */
4048         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4049                 r->ws->old_r = r->ws->r = NULL;
4050                 XDestroyWindow(display, r->bar_window);
4051                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4052                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4053         }
4054
4055         /* map virtual screens onto physical screens */
4056 #ifdef SWM_XRR_HAS_CRTC
4057         outputs = 0;
4058         if (xrandr_support) {
4059                 sr = XRRGetScreenResources(display, screens[i].root);
4060                 if (sr == NULL)
4061                         new_region(&screens[i], 0, 0,
4062                             DisplayWidth(display, i),
4063                             DisplayHeight(display, i));
4064                 else
4065                         ncrtc = sr->ncrtc;
4066
4067                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4068                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4069                         if (ci->noutput == 0)
4070                                 continue;
4071                         outputs++;
4072
4073                         if (ci != NULL && ci->mode == None)
4074                                 new_region(&screens[i], 0, 0,
4075                                     DisplayWidth(display, i),
4076                                     DisplayHeight(display, i));
4077                         else
4078                                 new_region(&screens[i],
4079                                     ci->x, ci->y, ci->width, ci->height);
4080                 }
4081                 if (ci)
4082                         XRRFreeCrtcInfo(ci);
4083                 XRRFreeScreenResources(sr);
4084         } else
4085 #endif /* SWM_XRR_HAS_CRTC */
4086         {
4087                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4088                     DisplayHeight(display, i));
4089         }
4090 }
4091
4092 void
4093 screenchange(XEvent *e) {
4094         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4095         struct swm_region               *r;
4096         int                             i;
4097
4098         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4099
4100         if (!XRRUpdateConfiguration(e))
4101                 return;
4102
4103         /* silly event doesn't include the screen index */
4104         for (i = 0; i < ScreenCount(display); i++)
4105                 if (screens[i].root == xe->root)
4106                         break;
4107         if (i >= ScreenCount(display))
4108                 errx(1, "screenchange: screen not found\n");
4109
4110         /* brute force for now, just re-enumerate the regions */
4111         scan_xrandr(i);
4112
4113         /* add bars to all regions */
4114         for (i = 0; i < ScreenCount(display); i++)
4115                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4116                         bar_setup(r);
4117         stack();
4118 }
4119
4120 void
4121 setup_screens(void)
4122 {
4123         Window                  d1, d2, *wins = NULL;
4124         XWindowAttributes       wa;
4125         unsigned int            no;
4126         int                     i, j, k;
4127         int                     errorbase, major, minor;
4128         struct workspace        *ws;
4129         int                     ws_idx_atom;
4130         long                    state, manage;
4131
4132         if ((screens = calloc(ScreenCount(display),
4133              sizeof(struct swm_screen))) == NULL)
4134                 errx(1, "calloc: screens");
4135
4136         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4137
4138         /* initial Xrandr setup */
4139         xrandr_support = XRRQueryExtension(display,
4140             &xrandr_eventbase, &errorbase);
4141         if (xrandr_support)
4142                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4143                         xrandr_support = 0;
4144
4145         /* map physical screens */
4146         for (i = 0; i < ScreenCount(display); i++) {
4147                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4148                 screens[i].idx = i;
4149                 TAILQ_INIT(&screens[i].rl);
4150                 TAILQ_INIT(&screens[i].orl);
4151                 screens[i].root = RootWindow(display, i);
4152
4153                 /* set default colors */
4154                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4155                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4156                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4157                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4158                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4159
4160                 /* init all workspaces */
4161                 /* XXX these should be dynamically allocated too */
4162                 for (j = 0; j < SWM_WS_MAX; j++) {
4163                         ws = &screens[i].ws[j];
4164                         ws->idx = j;
4165                         ws->restack = 1;
4166                         ws->focus = NULL;
4167                         ws->r = NULL;
4168                         ws->old_r = NULL;
4169                         TAILQ_INIT(&ws->winlist);
4170
4171                         for (k = 0; layouts[k].l_stack != NULL; k++)
4172                                 if (layouts[k].l_config != NULL)
4173                                         layouts[k].l_config(ws,
4174                                             SWM_ARG_ID_STACKINIT);
4175                         ws->cur_layout = &layouts[0];
4176                 }
4177                 /* grab existing windows (before we build the bars)*/
4178                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4179                         continue;
4180
4181                 scan_xrandr(i);
4182
4183                 if (xrandr_support)
4184                         XRRSelectInput(display, screens[i].root,
4185                             RRScreenChangeNotifyMask);
4186
4187                 /* attach windows to a region */
4188                 /* normal windows */
4189                 for (j = 0; j < no; j++) {
4190                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4191                             wa.override_redirect ||
4192                             XGetTransientForHint(display, wins[j], &d1))
4193                                 continue;
4194
4195                         state = getstate(wins[j]);
4196                         manage = state == NormalState || state == IconicState;
4197                         if (wa.map_state == IsViewable || manage)
4198                                 manage_window(wins[j]);
4199                 }
4200                 /* transient windows */
4201                 for (j = 0; j < no; j++) {
4202                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4203                             wa.override_redirect)
4204                                 continue;
4205
4206                         state = getstate(wins[j]);
4207                         manage = state == NormalState || state == IconicState;
4208                         if (XGetTransientForHint(display, wins[j], &d1) &&
4209                             manage)
4210                                 manage_window(wins[j]);
4211                 }
4212                 if (wins) {
4213                         XFree(wins);
4214                         wins = NULL;
4215                 }
4216         }
4217 }
4218
4219 void
4220 setup_globals(void)
4221 {
4222         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4223             == NULL)
4224                 err(1, "setup_globals: strdup");
4225         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4226             == NULL)
4227                 err(1, "setup_globals: strdup");
4228         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4229             == NULL)
4230                 err(1, "setup_globals: strdup");
4231         if ((spawn_term[0] = strdup("xterm")) == NULL)
4232                 err(1, "setup_globals: strdup");
4233 }
4234
4235 void
4236 workaround(void)
4237 {
4238         int                     i;
4239         Atom                    netwmcheck, netwmname, utf8_string;
4240         Window                  root;
4241
4242         /* work around sun jdk bugs, code from wmname */
4243         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4244         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4245         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4246         for (i = 0; i < ScreenCount(display); i++) {
4247                 root = screens[i].root;
4248                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4249                     PropModeReplace, (unsigned char *)&root, 1);
4250                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4251                     PropModeReplace, "LG3D", strlen("LG3D"));
4252         }
4253 }
4254
4255 int
4256 main(int argc, char *argv[])
4257 {
4258         struct passwd           *pwd;
4259         struct swm_region       *r, *rr;
4260         struct ws_win           *winfocus = NULL;
4261         char                    conf[PATH_MAX], *cfile = NULL;
4262         struct stat             sb;
4263         XEvent                  e;
4264         int                     xfd, i;
4265         fd_set                  rd;
4266
4267         start_argv = argv;
4268         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4269             SWM_VERSION, cvstag);
4270         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4271                 warnx("no locale support");
4272
4273         if (!(display = XOpenDisplay(0)))
4274                 errx(1, "can not open display");
4275
4276         if (active_wm())
4277                 errx(1, "other wm running");
4278
4279         /* handle some signale */
4280         installsignal(SIGINT, "INT");
4281         installsignal(SIGHUP, "HUP");
4282         installsignal(SIGQUIT, "QUIT");
4283         installsignal(SIGTERM, "TERM");
4284         installsignal(SIGCHLD, "CHLD");
4285
4286         astate = XInternAtom(display, "WM_STATE", False);
4287         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4288         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4289         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4290
4291         /* look for local and global conf file */
4292         pwd = getpwuid(getuid());
4293         if (pwd == NULL)
4294                 errx(1, "invalid user %d", getuid());
4295
4296         setup_screens();
4297         setup_globals();
4298         setup_keys();
4299         setup_quirks();
4300         setup_spawn();
4301
4302         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4303         if (stat(conf, &sb) != -1) {
4304                 if (S_ISREG(sb.st_mode))
4305                         cfile = conf;
4306         } else {
4307                 /* try global conf file */
4308                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4309                 if (!stat(conf, &sb))
4310                         if (S_ISREG(sb.st_mode))
4311                                 cfile = conf;
4312         }
4313         if (cfile)
4314                 conf_load(cfile);
4315
4316         /* setup all bars */
4317         for (i = 0; i < ScreenCount(display); i++)
4318                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4319                         if (winfocus == NULL)
4320                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4321                         bar_setup(r);
4322                 }
4323
4324         /* set some values to work around bad programs */
4325         workaround();
4326
4327         grabkeys();
4328         stack();
4329
4330         xfd = ConnectionNumber(display);
4331         while (running) {
4332                 while (XPending(display)) {
4333                         XNextEvent(display, &e);
4334                         if (running == 0)
4335                                 goto done;
4336                         if (e.type < LASTEvent) {
4337                                 dumpevent(&e);
4338                                 if (handler[e.type])
4339                                         handler[e.type](&e);
4340                                 else
4341                                         DNPRINTF(SWM_D_EVENT,
4342                                             "win: %lu unknown event: %d\n",
4343                                             e.xany.window, e.type);
4344                         } else {
4345                                 switch (e.type - xrandr_eventbase) {
4346                                 case RRScreenChangeNotify:
4347                                         screenchange(&e);
4348                                         break;
4349                                 default:
4350                                         DNPRINTF(SWM_D_EVENT,
4351                                             "win: %lu unknown xrandr event: "
4352                                             "%d\n", e.xany.window, e.type);
4353                                         break;
4354                                 }
4355                         }
4356                 }
4357
4358                 /* if we are being restarted go focus on first window */
4359                 if (winfocus) {
4360                         rr = TAILQ_FIRST(&screens[0].rl);
4361                         /* move pointer to first screen if multi screen */
4362                         if (ScreenCount(display) > 1 || outputs > 1)
4363                                 XWarpPointer(display, None, rr->s[0].root,
4364                                     0, 0, 0, 0, rr->g.x,
4365                                     rr->g.y + bar_enabled ? bar_height : 0);
4366
4367                         focus_win(winfocus);
4368                         winfocus = NULL;
4369                         continue;
4370                 }
4371
4372                 FD_ZERO(&rd);
4373                 FD_SET(xfd, &rd);
4374                 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
4375                         if (errno != EINTR)
4376                                 DNPRINTF(SWM_D_MISC, "select failed");
4377                 if (running == 0)
4378                         goto done;
4379                 if (bar_alarm) {
4380                         bar_alarm = 0;
4381                         bar_update();
4382                 }
4383         }
4384 done:
4385         bar_extra_stop();
4386
4387         XCloseDisplay(display);
4388
4389         return (0);
4390 }