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         this_r = r;
1325         old_ws = this_r->ws;
1326         new_ws = &this_r->s->ws[wsid];
1327
1328         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1329             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1330             old_ws->idx, wsid);
1331
1332         if (new_ws == old_ws)
1333                 return;
1334
1335         /* get focus window */
1336         if (new_ws->focus)
1337                 winfocus = new_ws->focus;
1338         else if (new_ws->focus_prev)
1339                 winfocus = new_ws->focus_prev;
1340         else
1341                 winfocus = TAILQ_FIRST(&new_ws->winlist);
1342
1343         other_r = new_ws->r;
1344         if (other_r == NULL) {
1345                 /* if the other workspace is hidden, switch windows */
1346                 if (old_ws->r != NULL)
1347                         old_ws->old_r = old_ws->r;
1348                 old_ws->r = NULL;
1349                 old_ws->restack = 1;
1350
1351                 /*
1352                  * Map new windows first if they were here before
1353                  * to minimize ugly blinking.
1354                  */
1355                 if (new_ws->old_r == this_r)
1356                         TAILQ_FOREACH(win, &new_ws->winlist, entry)
1357                                 if (!(win->ws->cur_layout->flags &
1358                                     SWM_L_MAPONFOCUS))
1359                                         XMapRaised(display, win->id);
1360
1361                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1362                         unmap_window(win);
1363         } else {
1364                 other_r->ws = old_ws;
1365                 old_ws->r = other_r;
1366         }
1367         this_r->ws = new_ws;
1368         new_ws->r = this_r;
1369
1370         ignore_enter = 1;
1371         stack();
1372         if (winfocus) {
1373                 /* make sure we see the parent window */
1374                 if (winfocus->transient) {
1375                         parent = find_window(winfocus->transient);
1376                         if (parent)
1377                                 focus_win(parent);
1378                 }
1379
1380                 focus_win(winfocus);
1381         }
1382         ignore_enter = 0;
1383         bar_update();
1384 }
1385
1386 void
1387 cyclews(struct swm_region *r, union arg *args)
1388 {
1389         union                   arg a;
1390         struct swm_screen       *s = r->s;
1391
1392         DNPRINTF(SWM_D_WS, "cyclews id %d "
1393             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1394             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1395
1396         a.id = r->ws->idx;
1397         do {
1398                 switch (args->id) {
1399                 case SWM_ARG_ID_CYCLEWS_UP:
1400                         if (a.id < SWM_WS_MAX - 1)
1401                                 a.id++;
1402                         else
1403                                 a.id = 0;
1404                         break;
1405                 case SWM_ARG_ID_CYCLEWS_DOWN:
1406                         if (a.id > 0)
1407                                 a.id--;
1408                         else
1409                                 a.id = SWM_WS_MAX - 1;
1410                         break;
1411                 default:
1412                         return;
1413                 };
1414
1415                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1416                         continue;
1417                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1418                         continue;
1419
1420                 switchws(r, &a);
1421         } while (a.id != r->ws->idx);
1422 }
1423
1424 void
1425 cyclescr(struct swm_region *r, union arg *args)
1426 {
1427         struct swm_region       *rr = NULL;
1428         struct workspace        *ws = NULL;
1429         struct ws_win           *winfocus = NULL;
1430         int                     i, x, y;
1431
1432         /* do nothing if we don't have more than one screen */
1433         if (!(ScreenCount(display) > 1 || outputs > 1))
1434                 return;
1435
1436         i = r->s->idx;
1437         switch (args->id) {
1438         case SWM_ARG_ID_CYCLESC_UP:
1439                 rr = TAILQ_NEXT(r, entry);
1440                 if (rr == NULL)
1441                         rr = TAILQ_FIRST(&screens[i].rl);
1442                 break;
1443         case SWM_ARG_ID_CYCLESC_DOWN:
1444                 rr = TAILQ_PREV(r, swm_region_list, entry);
1445                 if (rr == NULL)
1446                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1447                 break;
1448         default:
1449                 return;
1450         };
1451         if (rr == NULL)
1452                 return;
1453
1454         ws = rr->ws;
1455         winfocus = ws->focus;
1456         if (winfocus == NULL)
1457                 winfocus = ws->focus_prev;
1458         if (winfocus) {
1459                 /* use window coordinates */
1460                 x = winfocus->g.x + 1;
1461                 y = winfocus->g.y + 1;
1462         } else {
1463                 /* use region coordinates */
1464                 x = rr->g.x + 1;
1465                 y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1466         }
1467
1468         unfocus_all();
1469         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1470         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1471
1472         focus_win(winfocus);
1473 }
1474
1475 void
1476 swapwin(struct swm_region *r, union arg *args)
1477 {
1478         struct ws_win           *target, *source;
1479         struct ws_win           *cur_focus;
1480         struct ws_win_list      *wl;
1481
1482
1483         DNPRINTF(SWM_D_WS, "swapwin id %d "
1484             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1485             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1486
1487         cur_focus = r->ws->focus;
1488         if (cur_focus == NULL)
1489                 return;
1490
1491         source = cur_focus;
1492         wl = &source->ws->winlist;
1493
1494         switch (args->id) {
1495         case SWM_ARG_ID_SWAPPREV:
1496                 target = TAILQ_PREV(source, ws_win_list, entry);
1497                 TAILQ_REMOVE(wl, cur_focus, entry);
1498                 if (target == NULL)
1499                         TAILQ_INSERT_TAIL(wl, source, entry);
1500                 else
1501                         TAILQ_INSERT_BEFORE(target, source, entry);
1502                 break;
1503         case SWM_ARG_ID_SWAPNEXT:
1504                 target = TAILQ_NEXT(source, entry);
1505                 TAILQ_REMOVE(wl, source, entry);
1506                 if (target == NULL)
1507                         TAILQ_INSERT_HEAD(wl, source, entry);
1508                 else
1509                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1510                 break;
1511         case SWM_ARG_ID_SWAPMAIN:
1512                 target = TAILQ_FIRST(wl);
1513                 if (target == source) {
1514                         if (source->ws->focus_prev != NULL &&
1515                             source->ws->focus_prev != target)
1516
1517                                 source = source->ws->focus_prev;
1518                         else
1519                                 return;
1520                 }
1521                 source->ws->focus_prev = target;
1522                 TAILQ_REMOVE(wl, target, entry);
1523                 TAILQ_INSERT_BEFORE(source, target, entry);
1524                 TAILQ_REMOVE(wl, source, entry);
1525                 TAILQ_INSERT_HEAD(wl, source, entry);
1526                 break;
1527         default:
1528                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1529                 return;
1530         }
1531
1532         ignore_enter = 1;
1533         stack();
1534 }
1535
1536 void
1537 focus(struct swm_region *r, union arg *args)
1538 {
1539         struct ws_win           *winfocus, *winlostfocus;
1540         struct ws_win_list      *wl;
1541         struct ws_win           *cur_focus;
1542
1543         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1544
1545         cur_focus = r->ws->focus;
1546         if (cur_focus == NULL)
1547                 return;
1548
1549         wl = &cur_focus->ws->winlist;
1550
1551         winlostfocus = cur_focus;
1552
1553         switch (args->id) {
1554         case SWM_ARG_ID_FOCUSPREV:
1555                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1556                 if (winfocus == NULL)
1557                         winfocus = TAILQ_LAST(wl, ws_win_list);
1558                 break;
1559
1560         case SWM_ARG_ID_FOCUSNEXT:
1561                 winfocus = TAILQ_NEXT(cur_focus, entry);
1562                 if (winfocus == NULL)
1563                         winfocus = TAILQ_FIRST(wl);
1564                 break;
1565
1566         case SWM_ARG_ID_FOCUSMAIN:
1567                 winfocus = TAILQ_FIRST(wl);
1568                 if (winfocus == cur_focus)
1569                         winfocus = cur_focus->ws->focus_prev;
1570                 if (winfocus == NULL)
1571                         return;
1572                 break;
1573
1574         default:
1575                 return;
1576         }
1577
1578         if (winfocus == winlostfocus || winfocus == NULL)
1579                 return;
1580
1581         focus_win(winfocus);
1582 }
1583
1584 void
1585 cycle_layout(struct swm_region *r, union arg *args)
1586 {
1587         struct workspace        *ws = r->ws;
1588         struct ws_win           *winfocus, *parent = NULL;
1589
1590         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1591
1592         winfocus = ws->focus;
1593
1594         ws->cur_layout++;
1595         if (ws->cur_layout->l_stack == NULL)
1596                 ws->cur_layout = &layouts[0];
1597
1598         ignore_enter = 1;
1599         stack();
1600         /* make sure we see the parent window */
1601         if (winfocus) {
1602                 if (winfocus->transient)
1603                         parent = find_window(winfocus->transient);
1604                 if (parent)
1605                         focus_win(parent);
1606                 focus_win(winfocus);
1607         }
1608         ignore_enter = 0;
1609 }
1610
1611 void
1612 stack_config(struct swm_region *r, union arg *args)
1613 {
1614         struct workspace        *ws = r->ws;
1615
1616         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1617             args->id, ws->idx);
1618
1619         if (ws->cur_layout->l_config != NULL)
1620                 ws->cur_layout->l_config(ws, args->id);
1621
1622         if (args->id != SWM_ARG_ID_STACKINIT);
1623                 stack();
1624 }
1625
1626 void
1627 stack(void) {
1628         struct swm_geometry     g;
1629         struct swm_region       *r;
1630         int                     i, j;
1631
1632         DNPRINTF(SWM_D_STACK, "stack\n");
1633
1634         for (i = 0; i < ScreenCount(display); i++) {
1635                 j = 0;
1636                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1637                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1638                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1639
1640                         /* start with screen geometry, adjust for bar */
1641                         g = r->g;
1642                         g.w -= 2;
1643                         g.h -= 2;
1644                         if (bar_enabled) {
1645                                 g.y += bar_height;
1646                                 g.h -= bar_height;
1647                         }
1648
1649                         r->ws->restack = 0;
1650                         r->ws->cur_layout->l_stack(r->ws, &g);
1651                 }
1652         }
1653         if (font_adjusted)
1654                 font_adjusted--;
1655 }
1656
1657 void
1658 stack_floater(struct ws_win *win, struct swm_region *r)
1659 {
1660         unsigned int            mask;
1661         XWindowChanges          wc;
1662
1663         if (win == NULL)
1664                 return;
1665
1666         bzero(&wc, sizeof wc);
1667         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1668         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1669             (win->g.h == HEIGHT(r)))
1670                 wc.border_width = 0;
1671         else
1672                 wc.border_width = 1;
1673         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1674                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1675                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1676         }
1677         wc.width = win->g.w;
1678         wc.height = win->g.h;
1679         if (win->manual) {
1680                 wc.x = win->g.x;
1681                 wc.y = win->g.y;
1682         } else {
1683                 wc.x = (WIDTH(r) - win->g.w) / 2;
1684                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1685         }
1686
1687         /* adjust for region */
1688         wc.x += r->g.x;
1689         wc.y += r->g.y;
1690
1691         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1692             win->id, wc.x, wc.y, wc.width, wc.height);
1693
1694         XConfigureWindow(display, win->id, mask, &wc);
1695 }
1696
1697 /*
1698  * Send keystrokes to terminal to decrease/increase the font size as the
1699  * window size changes.
1700  */
1701 void
1702 adjust_font(struct ws_win *win)
1703 {
1704         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1705             win->floating || win->transient)
1706                 return;
1707
1708         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1709             win->g.w / win->sh.width_inc < term_width &&
1710             win->font_steps < SWM_MAX_FONT_STEPS) {
1711                 win->font_size_boundary[win->font_steps] =
1712                     (win->sh.width_inc * term_width) + win->sh.base_width;
1713                 win->font_steps++;
1714                 font_adjusted++;
1715                 win->last_inc = win->sh.width_inc;
1716                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1717         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1718             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1719                 win->font_steps--;
1720                 font_adjusted++;
1721                 win->last_inc = win->sh.width_inc;
1722                 fake_keypress(win, XK_KP_Add, ShiftMask);
1723         }
1724 }
1725
1726 #define SWAPXY(g)       do {                            \
1727         int tmp;                                        \
1728         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1729         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1730 } while (0)
1731 void
1732 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1733 {
1734         XWindowChanges          wc;
1735         struct swm_geometry     win_g, r_g = *g;
1736         struct ws_win           *win;
1737         int                     i, j, s, stacks;
1738         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1739         int                     hrh, extra = 0, h_slice, last_h = 0;
1740         int                     split, colno, winno, mwin, msize, mscale;
1741         int                     remain, missing, v_slice;
1742         unsigned int            mask;
1743
1744         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1745             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1746
1747         winno = count_win(ws, 0);
1748         if (winno == 0 && count_win(ws, 1) == 0)
1749                 return;
1750
1751         TAILQ_FOREACH(win, &ws->winlist, entry)
1752                 if (win->transient == 0 && win->floating == 0)
1753                         break;
1754
1755         if (win == NULL)
1756                 goto notiles;
1757
1758         if (rot) {
1759                 w_inc = win->sh.width_inc;
1760                 w_base = win->sh.base_width;
1761                 mwin = ws->l_state.horizontal_mwin;
1762                 mscale = ws->l_state.horizontal_msize;
1763                 stacks = ws->l_state.horizontal_stacks;
1764                 SWAPXY(&r_g);
1765         } else {
1766                 w_inc = win->sh.height_inc;
1767                 w_base = win->sh.base_height;
1768                 mwin = ws->l_state.vertical_mwin;
1769                 mscale = ws->l_state.vertical_msize;
1770                 stacks = ws->l_state.vertical_stacks;
1771         }
1772         win_g = r_g;
1773
1774         if (stacks > winno - mwin)
1775                 stacks = winno - mwin;
1776         if (stacks < 1)
1777                 stacks = 1;
1778
1779         h_slice = r_g.h / SWM_H_SLICE;
1780         if (mwin && winno > mwin) {
1781                 v_slice = r_g.w / SWM_V_SLICE;
1782
1783                 split = mwin;
1784                 colno = split;
1785                 win_g.w = v_slice * mscale;
1786
1787                 if (w_inc > 1 && w_inc < v_slice) {
1788                         /* adjust for window's requested size increment */
1789                         remain = (win_g.w - w_base) % w_inc;
1790                         missing = w_inc - remain;
1791                         win_g.w -= remain;
1792                         extra += remain;
1793                 }
1794
1795                 msize = win_g.w;
1796                 if (flip)
1797                         win_g.x += r_g.w - msize;
1798         } else {
1799                 msize = -2;
1800                 colno = split = winno / stacks;
1801                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1802         }
1803         hrh = r_g.h / colno;
1804         extra = r_g.h - (colno * hrh);
1805         win_g.h = hrh - 2;
1806
1807         /*  stack all the tiled windows */
1808         i = j = 0, s = stacks;
1809         TAILQ_FOREACH(win, &ws->winlist, entry) {
1810                 if (win->transient != 0 || win->floating != 0)
1811                         continue;
1812
1813                 if (split && i == split) {
1814                         colno = (winno - mwin) / stacks;
1815                         if (s <= (winno - mwin) % stacks)
1816                                 colno++;
1817                         split = split + colno;
1818                         hrh = (r_g.h / colno);
1819                         extra = r_g.h - (colno * hrh);
1820                         if (flip)
1821                                 win_g.x = r_g.x;
1822                         else
1823                                 win_g.x += win_g.w + 2;
1824                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1825                         if (s == 1)
1826                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1827                                     stacks;
1828                         s--;
1829                         j = 0;
1830                 }
1831                 win_g.h = hrh - 2;
1832                 if (rot) {
1833                         h_inc = win->sh.width_inc;
1834                         h_base = win->sh.base_width;
1835                 } else {
1836                         h_inc = win->sh.height_inc;
1837                         h_base = win->sh.base_height;
1838                 }
1839                 if (j == colno - 1) {
1840                         win_g.h = hrh + extra;
1841                 } else if (h_inc > 1 && h_inc < h_slice) {
1842                         /* adjust for window's requested size increment */
1843                         remain = (win_g.h - h_base) % h_inc;
1844                         missing = h_inc - remain;
1845
1846                         if (missing <= extra || j == 0) {
1847                                 extra -= missing;
1848                                 win_g.h += missing;
1849                         } else {
1850                                 win_g.h -= remain;
1851                                 extra += remain;
1852                         }
1853                 }
1854
1855                 if (j == 0)
1856                         win_g.y = r_g.y;
1857                 else
1858                         win_g.y += last_h + 2;
1859
1860                 bzero(&wc, sizeof wc);
1861                 wc.border_width = 1;
1862                 if (rot) {
1863                         win->g.x = wc.x = win_g.y;
1864                         win->g.y = wc.y = win_g.x;
1865                         win->g.w = wc.width = win_g.h;
1866                         win->g.h = wc.height = win_g.w;
1867                 } else {
1868                         win->g.x = wc.x = win_g.x;
1869                         win->g.y = wc.y = win_g.y;
1870                         win->g.w = wc.width = win_g.w;
1871                         win->g.h = wc.height = win_g.h;
1872                 }
1873                 adjust_font(win);
1874                 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1875                 XConfigureWindow(display, win->id, mask, &wc);
1876                 XMapRaised(display, win->id);
1877
1878                 last_h = win_g.h;
1879                 i++;
1880                 j++;
1881         }
1882
1883  notiles:
1884         /* now, stack all the floaters and transients */
1885         TAILQ_FOREACH(win, &ws->winlist, entry) {
1886                 if (win->transient == 0 && win->floating == 0)
1887                         continue;
1888
1889                 stack_floater(win, ws->r);
1890                 XMapRaised(display, win->id);
1891         }
1892 }
1893
1894 void
1895 vertical_config(struct workspace *ws, int id)
1896 {
1897         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1898
1899         switch (id) {
1900         case SWM_ARG_ID_STACKRESET:
1901         case SWM_ARG_ID_STACKINIT:
1902                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1903                 ws->l_state.vertical_mwin = 1;
1904                 ws->l_state.vertical_stacks = 1;
1905                 break;
1906         case SWM_ARG_ID_MASTERSHRINK:
1907                 if (ws->l_state.vertical_msize > 1)
1908                         ws->l_state.vertical_msize--;
1909                 break;
1910         case SWM_ARG_ID_MASTERGROW:
1911                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1912                         ws->l_state.vertical_msize++;
1913                 break;
1914         case SWM_ARG_ID_MASTERADD:
1915                 ws->l_state.vertical_mwin++;
1916                 break;
1917         case SWM_ARG_ID_MASTERDEL:
1918                 if (ws->l_state.vertical_mwin > 0)
1919                         ws->l_state.vertical_mwin--;
1920                 break;
1921         case SWM_ARG_ID_STACKINC:
1922                 ws->l_state.vertical_stacks++;
1923                 break;
1924         case SWM_ARG_ID_STACKDEC:
1925                 if (ws->l_state.vertical_stacks > 1)
1926                         ws->l_state.vertical_stacks--;
1927                 break;
1928         default:
1929                 return;
1930         }
1931 }
1932
1933 void
1934 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1935 {
1936         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1937
1938         stack_master(ws, g, 0, 0);
1939 }
1940
1941 void
1942 horizontal_config(struct workspace *ws, int id)
1943 {
1944         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1945
1946         switch (id) {
1947         case SWM_ARG_ID_STACKRESET:
1948         case SWM_ARG_ID_STACKINIT:
1949                 ws->l_state.horizontal_mwin = 1;
1950                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1951                 ws->l_state.horizontal_stacks = 1;
1952                 break;
1953         case SWM_ARG_ID_MASTERSHRINK:
1954                 if (ws->l_state.horizontal_msize > 1)
1955                         ws->l_state.horizontal_msize--;
1956                 break;
1957         case SWM_ARG_ID_MASTERGROW:
1958                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1959                         ws->l_state.horizontal_msize++;
1960                 break;
1961         case SWM_ARG_ID_MASTERADD:
1962                 ws->l_state.horizontal_mwin++;
1963                 break;
1964         case SWM_ARG_ID_MASTERDEL:
1965                 if (ws->l_state.horizontal_mwin > 0)
1966                         ws->l_state.horizontal_mwin--;
1967                 break;
1968         case SWM_ARG_ID_STACKINC:
1969                 ws->l_state.horizontal_stacks++;
1970                 break;
1971         case SWM_ARG_ID_STACKDEC:
1972                 if (ws->l_state.horizontal_stacks > 1)
1973                         ws->l_state.horizontal_stacks--;
1974                 break;
1975         default:
1976                 return;
1977         }
1978 }
1979
1980 void
1981 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1982 {
1983         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1984
1985         stack_master(ws, g, 1, 0);
1986 }
1987
1988 /* fullscreen view */
1989 void
1990 max_stack(struct workspace *ws, struct swm_geometry *g)
1991 {
1992         XWindowChanges          wc;
1993         struct swm_geometry     gg = *g;
1994         struct ws_win           *win, *wintrans = NULL;
1995         unsigned int            mask;
1996         int                     winno;
1997
1998         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1999
2000         if (ws == NULL)
2001                 return;
2002
2003         winno = count_win(ws, 0);
2004         if (winno == 0 && count_win(ws, 1) == 0)
2005                 return;
2006
2007         TAILQ_FOREACH(win, &ws->winlist, entry) {
2008                 if (win->transient != 0) {
2009                         wintrans = win;
2010                 } else {
2011                         bzero(&wc, sizeof wc);
2012                         wc.border_width = 1;
2013                         win->g.x = wc.x = gg.x;
2014                         win->g.y = wc.y = gg.y;
2015                         win->g.w = wc.width = gg.w;
2016                         win->g.h = wc.height = gg.h;
2017                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2018                         XConfigureWindow(display, win->id, mask, &wc);
2019
2020                         /* unmap only if we don't have multi screen */
2021                         if (win != ws->focus)
2022                                 if (!(ScreenCount(display) > 1 || outputs > 1))
2023                                         unmap_window(win);
2024                 }
2025         }
2026
2027         /* put the last transient on top */
2028         if (wintrans) {
2029                 stack_floater(wintrans, ws->r);
2030                 focus_win(wintrans); /* override */
2031         }
2032 }
2033
2034 void
2035 send_to_ws(struct swm_region *r, union arg *args)
2036 {
2037         int                     wsid = args->id;
2038         struct ws_win           *win = win, *winfocus = NULL;
2039         struct workspace        *ws, *nws;
2040         Atom                    ws_idx_atom = 0;
2041         unsigned char           ws_idx_str[SWM_PROPLEN];
2042
2043         if (r && r->ws)
2044                 win = r->ws->focus;
2045         else
2046                 return;
2047         if (win == NULL)
2048                 return;
2049
2050         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2051
2052         ws = win->ws;
2053         nws = &win->s->ws[wsid];
2054
2055         /* find a window to focus */
2056         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2057         if (TAILQ_FIRST(&ws->winlist) == win)
2058                 winfocus = TAILQ_NEXT(win, entry);
2059         else {
2060                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2061                 if (winfocus == NULL)
2062                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2063         }
2064         /* out of windows in ws so focus on nws instead if we multi screen */
2065         if (winfocus == NULL)
2066                 if (ScreenCount(display) > 1 || outputs > 1)
2067                         winfocus = win;
2068
2069         unmap_window(win);
2070         TAILQ_REMOVE(&ws->winlist, win, entry);
2071         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2072         win->ws = nws;
2073
2074         /* Try to update the window's workspace property */
2075         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2076         if (ws_idx_atom &&
2077             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2078                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2079                     ws_idx_str);
2080                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2081                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2082         }
2083
2084         if (count_win(nws, 1) == 1)
2085                 nws->focus = win;
2086         ws->restack = 1;
2087         nws->restack = 1;
2088
2089         stack();
2090         if (winfocus)
2091                 focus_win(winfocus);
2092 }
2093
2094 void
2095 wkill(struct swm_region *r, union arg *args)
2096 {
2097         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2098
2099         if(r->ws->focus == NULL)
2100                 return;
2101
2102         if (args->id == SWM_ARG_ID_KILLWINDOW)
2103                 XKillClient(display, r->ws->focus->id);
2104         else
2105                 if (r->ws->focus->can_delete)
2106                         client_msg(r->ws->focus, adelete);
2107 }
2108
2109 void
2110 floating_toggle(struct swm_region *r, union arg *args)
2111 {
2112         struct ws_win   *win = r->ws->focus;
2113
2114         if (win == NULL)
2115                 return;
2116
2117         win->floating = !win->floating;
2118         win->manual = 0;
2119         stack();
2120         focus_win(win);
2121 }
2122
2123 void
2124 resize_window(struct ws_win *win, int center)
2125 {
2126         unsigned int            mask;
2127         XWindowChanges          wc;
2128         struct swm_region       *r;
2129
2130         r = root_to_region(win->wa.root);
2131         bzero(&wc, sizeof wc);
2132         mask = CWBorderWidth | CWWidth | CWHeight;
2133         wc.border_width = 1;
2134         wc.width = win->g.w;
2135         wc.height = win->g.h;
2136         if (center == SWM_ARG_ID_CENTER) {
2137                 wc.x = (WIDTH(r) - win->g.w) / 2;
2138                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2139                 mask |= CWX | CWY;
2140         }
2141
2142         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2143             win->id, wc.x, wc.y, wc.width, wc.height);
2144
2145         XConfigureWindow(display, win->id, mask, &wc);
2146         config_win(win);
2147 }
2148
2149 void
2150 resize(struct ws_win *win, union arg *args)
2151 {
2152         XEvent                  ev;
2153         Time                    time = 0;
2154
2155         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2156             win->id, win->floating, win->transient);
2157
2158         if (!(win->transient != 0 || win->floating != 0))
2159                 return;
2160
2161         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2162             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2163                 return;
2164         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2165         do {
2166                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2167                     SubstructureRedirectMask, &ev);
2168                 switch(ev.type) {
2169                 case ConfigureRequest:
2170                 case Expose:
2171                 case MapRequest:
2172                         handler[ev.type](&ev);
2173                         break;
2174                 case MotionNotify:
2175                         if (ev.xmotion.x <= 1)
2176                                 ev.xmotion.x = 1;
2177                         if (ev.xmotion.y <= 1)
2178                                 ev.xmotion.y = 1;
2179                         win->g.w = ev.xmotion.x;
2180                         win->g.h = ev.xmotion.y;
2181
2182                         /* not free, don't sync more than 60 times / second */
2183                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2184                                 time = ev.xmotion.time;
2185                                 XSync(display, False);
2186                                 resize_window(win, args->id);
2187                         }
2188                         break;
2189                 }
2190         } while (ev.type != ButtonRelease);
2191         if (time) {
2192                 XSync(display, False);
2193                 resize_window(win, args->id);
2194         }
2195         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2196             win->g.h - 1);
2197         XUngrabPointer(display, CurrentTime);
2198
2199         /* drain events */
2200         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2201 }
2202
2203 void
2204 move_window(struct ws_win *win)
2205 {
2206         unsigned int            mask;
2207         XWindowChanges          wc;
2208         struct swm_region       *r;
2209
2210         r = root_to_region(win->wa.root);
2211         bzero(&wc, sizeof wc);
2212         mask = CWX | CWY;
2213         wc.x = win->g.x;
2214         wc.y = win->g.y;
2215
2216         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2217             win->id, wc.x, wc.y, wc.width, wc.height);
2218
2219         XConfigureWindow(display, win->id, mask, &wc);
2220         config_win(win);
2221 }
2222
2223 void
2224 move(struct ws_win *win, union arg *args)
2225 {
2226         XEvent                  ev;
2227         Time                    time = 0;
2228         int                     restack = 0;
2229
2230         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2231             win->id, win->floating, win->transient);
2232
2233         if (win->floating == 0) {
2234                 win->floating = 1;
2235                 win->manual = 1;
2236                 restack = 1;
2237         }
2238
2239         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2240             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2241                 return;
2242         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2243         do {
2244                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2245                     SubstructureRedirectMask, &ev);
2246                 switch(ev.type) {
2247                 case ConfigureRequest:
2248                 case Expose:
2249                 case MapRequest:
2250                         handler[ev.type](&ev);
2251                         break;
2252                 case MotionNotify:
2253                         win->g.x = ev.xmotion.x_root;
2254                         win->g.y = ev.xmotion.y_root;
2255
2256                         /* not free, don't sync more than 60 times / second */
2257                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2258                                 time = ev.xmotion.time;
2259                                 XSync(display, False);
2260                                 move_window(win);
2261                         }
2262                         break;
2263                 }
2264         } while (ev.type != ButtonRelease);
2265         if (time) {
2266                 XSync(display, False);
2267                 move_window(win);
2268         }
2269         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2270         XUngrabPointer(display, CurrentTime);
2271         if (restack)
2272                 stack();
2273
2274         /* drain events */
2275         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2276 }
2277
2278 /* key definitions */
2279 void
2280 dummykeyfunc(struct swm_region *r, union arg *args)
2281 {
2282 };
2283
2284 void
2285 legacyfunc(struct swm_region *r, union arg *args)
2286 {
2287 };
2288
2289 struct keyfunc {
2290         char                    name[SWM_FUNCNAME_LEN];
2291         void                    (*func)(struct swm_region *r, union arg *);
2292         union arg               args;
2293 } keyfuncs[kf_invalid + 1] = {
2294         /* name                 function        argument */
2295         { "cycle_layout",       cycle_layout,   {0} },
2296         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2297         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2298         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2299         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2300         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2301         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2302         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2303         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2304         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2305         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2306         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2307         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2308         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2309         { "spawn_menu",         legacyfunc,     {0} },
2310         { "quit",               quit,           {0} },
2311         { "restart",            restart,        {0} },
2312         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2313         { "ws_1",               switchws,       {.id = 0} },
2314         { "ws_2",               switchws,       {.id = 1} },
2315         { "ws_3",               switchws,       {.id = 2} },
2316         { "ws_4",               switchws,       {.id = 3} },
2317         { "ws_5",               switchws,       {.id = 4} },
2318         { "ws_6",               switchws,       {.id = 5} },
2319         { "ws_7",               switchws,       {.id = 6} },
2320         { "ws_8",               switchws,       {.id = 7} },
2321         { "ws_9",               switchws,       {.id = 8} },
2322         { "ws_10",              switchws,       {.id = 9} },
2323         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2324         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2325         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2326         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2327         { "mvws_1",             send_to_ws,     {.id = 0} },
2328         { "mvws_2",             send_to_ws,     {.id = 1} },
2329         { "mvws_3",             send_to_ws,     {.id = 2} },
2330         { "mvws_4",             send_to_ws,     {.id = 3} },
2331         { "mvws_5",             send_to_ws,     {.id = 4} },
2332         { "mvws_6",             send_to_ws,     {.id = 5} },
2333         { "mvws_7",             send_to_ws,     {.id = 6} },
2334         { "mvws_8",             send_to_ws,     {.id = 7} },
2335         { "mvws_9",             send_to_ws,     {.id = 8} },
2336         { "mvws_10",            send_to_ws,     {.id = 9} },
2337         { "bar_toggle",         bar_toggle,     {0} },
2338         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2339         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2340         { "screenshot_all",     legacyfunc,     {0} },
2341         { "screenshot_wind",    legacyfunc,     {0} },
2342         { "float_toggle",       floating_toggle,{0} },
2343         { "version",            version,        {0} },
2344         { "spawn_lock",         legacyfunc,     {0} },
2345         { "spawn_initscr",      legacyfunc,     {0} },
2346         { "spawn_custom",       dummykeyfunc,   {0} },
2347         { "invalid key func",   NULL,           {0} },
2348 };
2349 struct key {
2350         unsigned int            mod;
2351         KeySym                  keysym;
2352         enum keyfuncid          funcid;
2353         char                    *spawn_name;
2354 };
2355 int                             keys_size = 0, keys_length = 0;
2356 struct key                      *keys = NULL;
2357
2358 /* mouse */
2359 enum { client_click, root_click };
2360 struct button {
2361         unsigned int            action;
2362         unsigned int            mask;
2363         unsigned int            button;
2364         void                    (*func)(struct ws_win *, union arg *);
2365         union arg               args;
2366 } buttons[] = {
2367           /* action     key             mouse button    func    args */
2368         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2369         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2370         { client_click, MODKEY,         Button1,        move,   {0} },
2371 };
2372
2373 void
2374 update_modkey(unsigned int mod)
2375 {
2376         int                     i;
2377
2378         mod_key = mod;
2379         for (i = 0; i < keys_length; i++)
2380                 if (keys[i].mod & ShiftMask)
2381                         keys[i].mod = mod | ShiftMask;
2382                 else
2383                         keys[i].mod = mod;
2384
2385         for (i = 0; i < LENGTH(buttons); i++)
2386                 if (buttons[i].mask & ShiftMask)
2387                         buttons[i].mask = mod | ShiftMask;
2388                 else
2389                         buttons[i].mask = mod;
2390 }
2391
2392 /* spawn */
2393 struct spawn_prog {
2394         char                    *name;
2395         int                     argc;
2396         char                    **argv;
2397 };
2398
2399 int                             spawns_size = 0, spawns_length = 0;
2400 struct spawn_prog               *spawns = NULL;
2401
2402 void
2403 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2404 {
2405         union arg               a;
2406         struct spawn_prog       *prog = NULL;
2407         int                     i;
2408         char                    *ap, **real_args;
2409
2410         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2411
2412         /* find program */
2413         for (i = 0; i < spawns_length; i++) {
2414                 if (!strcasecmp(spawn_name, spawns[i].name))
2415                         prog = &spawns[i];
2416         }
2417         if (prog == NULL) {
2418                 fprintf(stderr, "spawn_custom: program %s not found\n",
2419                     spawn_name);
2420                 return;
2421         }
2422
2423         /* make room for expanded args */
2424         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2425                 err(1, "spawn_custom: calloc real_args");
2426
2427         /* expand spawn_args into real_args */
2428         for (i = 0; i < prog->argc; i++) {
2429                 ap = prog->argv[i];
2430                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2431                 if (!strcasecmp(ap, "$bar_border")) {
2432                         if ((real_args[i] =
2433                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2434                             == NULL)
2435                                 err(1,  "spawn_custom border color");
2436                 } else if (!strcasecmp(ap, "$bar_color")) {
2437                         if ((real_args[i] =
2438                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2439                             == NULL)
2440                                 err(1, "spawn_custom bar color");
2441                 } else if (!strcasecmp(ap, "$bar_font")) {
2442                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2443                             == NULL)
2444                                 err(1, "spawn_custom bar fonts");
2445                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2446                         if ((real_args[i] =
2447                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2448                             == NULL)
2449                                 err(1, "spawn_custom color font");
2450                 } else if (!strcasecmp(ap, "$color_focus")) {
2451                         if ((real_args[i] =
2452                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2453                             == NULL)
2454                                 err(1, "spawn_custom color focus");
2455                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2456                         if ((real_args[i] =
2457                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2458                             == NULL)
2459                                 err(1, "spawn_custom color unfocus");
2460                 } else {
2461                         /* no match --> copy as is */
2462                         if ((real_args[i] = strdup(ap)) == NULL)
2463                                 err(1, "spawn_custom strdup(ap)");
2464                 }
2465                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2466                     real_args[i]);
2467         }
2468
2469 #ifdef SWM_DEBUG
2470         if ((swm_debug & SWM_D_SPAWN) != 0) {
2471                 fprintf(stderr, "spawn_custom: result = ");
2472                 for (i = 0; i < prog->argc; i++)
2473                         fprintf(stderr, "\"%s\" ", real_args[i]);
2474                 fprintf(stderr, "\n");
2475         }
2476 #endif
2477
2478         a.argv = real_args;
2479         spawn(r, &a);
2480         for (i = 0; i < prog->argc; i++)
2481                 free(real_args[i]);
2482         free(real_args);
2483 }
2484
2485 void
2486 setspawn(struct spawn_prog *prog)
2487 {
2488         int                     i, j;
2489
2490         if (prog == NULL || prog->name == NULL)
2491                 return;
2492
2493         /* find existing */
2494         for (i = 0; i < spawns_length; i++) {
2495                 if (!strcmp(spawns[i].name, prog->name)) {
2496                         /* found */
2497                         if (prog->argv == NULL) {
2498                                 /* delete */
2499                                 DNPRINTF(SWM_D_SPAWN,
2500                                     "setspawn: delete #%d %s\n",
2501                                     i, spawns[i].name);
2502                                 free(spawns[i].name);
2503                                 for (j = 0; j < spawns[i].argc; j++)
2504                                         free(spawns[i].argv[j]);
2505                                 free(spawns[i].argv);
2506                                 j = spawns_length - 1;
2507                                 if (i < j)
2508                                         spawns[i] = spawns[j];
2509                                 spawns_length--;
2510                                 free(prog->name);
2511                         } else {
2512                                 /* replace */
2513                                 DNPRINTF(SWM_D_SPAWN,
2514                                     "setspawn: replace #%d %s\n",
2515                                     i, spawns[i].name);
2516                                 free(spawns[i].name);
2517                                 for (j = 0; j < spawns[i].argc; j++)
2518                                         free(spawns[i].argv[j]);
2519                                 free(spawns[i].argv);
2520                                 spawns[i] = *prog;
2521                         }
2522                         /* found case handled */
2523                         free(prog);
2524                         return;
2525                 }
2526         }
2527
2528         if (prog->argv == NULL) {
2529                 fprintf(stderr,
2530                     "error: setspawn: cannot find program %s", prog->name);
2531                 free(prog);
2532                 return;
2533         }
2534
2535         /* not found: add */
2536         if (spawns_size == 0 || spawns == NULL) {
2537                 spawns_size = 4;
2538                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2539                 spawns = malloc((size_t)spawns_size *
2540                     sizeof(struct spawn_prog));
2541                 if (spawns == NULL) {
2542                         fprintf(stderr, "setspawn: malloc failed\n");
2543                         perror(" failed");
2544                         quit(NULL, NULL);
2545                 }
2546         } else if (spawns_length == spawns_size) {
2547                 spawns_size *= 2;
2548                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2549                 spawns = realloc(spawns, (size_t)spawns_size *
2550                     sizeof(struct spawn_prog));
2551                 if (spawns == NULL) {
2552                         fprintf(stderr, "setspawn: realloc failed\n");
2553                         perror(" failed");
2554                         quit(NULL, NULL);
2555                 }
2556         }
2557
2558         if (spawns_length < spawns_size) {
2559                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2560                     spawns_length, prog->name);
2561                 i = spawns_length++;
2562                 spawns[i] = *prog;
2563         } else {
2564                 fprintf(stderr, "spawns array problem?\n");
2565                 if (spawns == NULL) {
2566                         fprintf(stderr, "spawns array is NULL!\n");
2567                         quit(NULL, NULL);
2568                 }
2569         }
2570         free(prog);
2571 }
2572
2573 int
2574 setconfspawn(char *selector, char *value, int flags)
2575 {
2576         struct spawn_prog       *prog;
2577         char                    *vp, *cp, *word;
2578
2579         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2580         if ((prog = calloc(1, sizeof *prog)) == NULL)
2581                 err(1, "setconfspawn: calloc prog");
2582         prog->name = strdup(selector);
2583         if (prog->name == NULL)
2584                 err(1, "setconfspawn prog->name");
2585         if ((cp = vp = strdup(value)) == NULL)
2586                 err(1, "setconfspawn: strdup(value) ");
2587         while ((word = strsep(&cp, " \t")) != NULL) {
2588                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2589                 if (cp)
2590                         cp += (long)strspn(cp, " \t");
2591                 if (strlen(word) > 0) {
2592                         prog->argc++;
2593                         prog->argv = realloc(prog->argv,
2594                             prog->argc * sizeof(char *));
2595                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2596                                 err(1, "setconfspawn: strdup");
2597                 }
2598         }
2599         free(vp);
2600
2601         setspawn(prog);
2602
2603         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2604         return (0);
2605 }
2606
2607 void
2608 setup_spawn(void)
2609 {
2610         setconfspawn("term",            "xterm",                0);
2611         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2612         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2613         setconfspawn("lock",            "xlock",                0);
2614         setconfspawn("initscr",         "initscreen.sh",        0);
2615         setconfspawn("menu",            "dmenu_run"
2616                                         " -fn $bar_font"
2617                                         " -nb $bar_color"
2618                                         " -nf $bar_font_color"
2619                                         " -sb $bar_border"
2620                                         " -sf $bar_color",      0);
2621 }
2622
2623 /* key bindings */
2624 #define SWM_MODNAME_SIZE        32
2625 #define SWM_KEY_WS              "\n+ \t"
2626 int
2627 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2628 {
2629         char                    *cp, *name;
2630         KeySym                  uks;
2631         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2632         if (mod == NULL || ks == NULL) {
2633                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2634                 return (1);
2635         }
2636         if (keystr == NULL || strlen(keystr) == 0) {
2637                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2638                 return (1);
2639         }
2640         cp = keystr;
2641         *ks = NoSymbol;
2642         *mod = 0;
2643         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2644                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2645                 if (cp)
2646                         cp += (long)strspn(cp, SWM_KEY_WS);
2647                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2648                         *mod |= currmod;
2649                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2650                         *mod |= Mod1Mask;
2651                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2652                         *mod += Mod2Mask;
2653                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2654                         *mod |= Mod3Mask;
2655                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2656                         *mod |= Mod4Mask;
2657                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2658                         *mod |= ShiftMask;
2659                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2660                         *mod |= ControlMask;
2661                 else {
2662                         *ks = XStringToKeysym(name);
2663                         XConvertCase(*ks, ks, &uks);
2664                         if (ks == NoSymbol) {
2665                                 DNPRINTF(SWM_D_KEY,
2666                                     "parsekeys: invalid key %s\n",
2667                                     name);
2668                                 return (1);
2669                         }
2670                 }
2671         }
2672         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2673         return (0);
2674 }
2675
2676 char *
2677 strdupsafe(char *str)
2678 {
2679         if (str == NULL)
2680                 return (NULL);
2681         else
2682                 return (strdup(str));
2683 }
2684
2685 void
2686 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2687 {
2688         int                     i, j;
2689         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2690             keyfuncs[kfid].name, spawn_name);
2691         /* find existing */
2692         for (i = 0; i < keys_length; i++) {
2693                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2694                         if (kfid == kf_invalid) {
2695                                 /* found: delete */
2696                                 DNPRINTF(SWM_D_KEY,
2697                                     "setkeybinding: delete #%d %s\n",
2698                                     i, keyfuncs[keys[i].funcid].name);
2699                                 free(keys[i].spawn_name);
2700                                 j = keys_length - 1;
2701                                 if (i < j)
2702                                         keys[i] = keys[j];
2703                                 keys_length--;
2704                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2705                                 return;
2706                         } else {
2707                                 /* found: replace */
2708                                 DNPRINTF(SWM_D_KEY,
2709                                     "setkeybinding: replace #%d %s %s\n",
2710                                     i, keyfuncs[keys[i].funcid].name,
2711                                     spawn_name);
2712                                 free(keys[i].spawn_name);
2713                                 keys[i].mod = mod;
2714                                 keys[i].keysym = ks;
2715                                 keys[i].funcid = kfid;
2716                                 keys[i].spawn_name = strdupsafe(spawn_name);
2717                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2718                                 return;
2719                         }
2720                 }
2721         }
2722         if (kfid == kf_invalid) {
2723                 fprintf(stderr,
2724                     "error: setkeybinding: cannot find mod/key combination");
2725                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2726                 return;
2727         }
2728         /* not found: add */
2729         if (keys_size == 0 || keys == NULL) {
2730                 keys_size = 4;
2731                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2732                 keys = malloc((size_t)keys_size * sizeof(struct key));
2733                 if (!keys) {
2734                         fprintf(stderr, "malloc failed\n");
2735                         perror(" failed");
2736                         quit(NULL, NULL);
2737                 }
2738         } else if (keys_length == keys_size) {
2739                 keys_size *= 2;
2740                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2741                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2742                 if (!keys) {
2743                         fprintf(stderr, "realloc failed\n");
2744                         perror(" failed");
2745                         quit(NULL, NULL);
2746                 }
2747         }
2748         if (keys_length < keys_size) {
2749                 j = keys_length++;
2750                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2751                     j, keyfuncs[kfid].name, spawn_name);
2752                 keys[j].mod = mod;
2753                 keys[j].keysym = ks;
2754                 keys[j].funcid = kfid;
2755                 keys[j].spawn_name = strdupsafe(spawn_name);
2756         } else {
2757                 fprintf(stderr, "keys array problem?\n");
2758                 if (!keys) {
2759                         fprintf(stderr, "keys array problem\n");
2760                         quit(NULL, NULL);
2761                 }
2762         }
2763         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2764 }
2765
2766 int
2767 setconfbinding(char *selector, char *value, int flags)
2768 {
2769         enum keyfuncid          kfid;
2770         unsigned int            mod;
2771         KeySym                  ks;
2772         int                     i;
2773         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2774         if (selector == NULL) {
2775                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2776                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2777                         kfid = kf_invalid;
2778                         setkeybinding(mod, ks, kfid, NULL);
2779                         return (0);
2780                 } else
2781                         return (1);
2782         }
2783         /* search by key function name */
2784         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2785                 if (strncasecmp(selector, keyfuncs[kfid].name,
2786                     SWM_FUNCNAME_LEN) == 0) {
2787                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2788                             selector);
2789                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2790                                 setkeybinding(mod, ks, kfid, NULL);
2791                                 return (0);
2792                         } else
2793                                 return (1);
2794                 }
2795         }
2796         /* search by custom spawn name */
2797         for (i = 0; i < spawns_length; i++) {
2798                 if (strcasecmp(selector, spawns[i].name) == 0) {
2799                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2800                             selector);
2801                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2802                                 setkeybinding(mod, ks, kf_spawn_custom,
2803                                     spawns[i].name);
2804                                 return (0);
2805                         } else
2806                                 return (1);
2807                 }
2808         }
2809         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2810         return (1);
2811 }
2812
2813 void
2814 setup_keys(void)
2815 {
2816         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2817         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2818         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2819         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2820         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2821         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2822         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2823         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2824         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2825         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2826         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2827         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2828         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2829         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2830         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2831         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2832         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2833         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2834         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2835         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2836         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2837         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2838         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2839         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2840         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2841         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2842         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2843         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2844         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2845         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2846         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2847         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2848         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2849         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2850         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2851         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2852         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2853         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2854         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2855         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2856         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2857         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2858         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2859         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2860         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2861         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2862         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2863         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2864         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2865         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2866         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2867         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2868         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2869 }
2870
2871 void
2872 updatenumlockmask(void)
2873 {
2874         unsigned int            i, j;
2875         XModifierKeymap         *modmap;
2876
2877         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2878         numlockmask = 0;
2879         modmap = XGetModifierMapping(display);
2880         for (i = 0; i < 8; i++)
2881                 for (j = 0; j < modmap->max_keypermod; j++)
2882                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2883                           == XKeysymToKeycode(display, XK_Num_Lock))
2884                                 numlockmask = (1 << i);
2885
2886         XFreeModifiermap(modmap);
2887 }
2888
2889 void
2890 grabkeys(void)
2891 {
2892         unsigned int            i, j, k;
2893         KeyCode                 code;
2894         unsigned int            modifiers[] =
2895             { 0, LockMask, numlockmask, numlockmask | LockMask };
2896
2897         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2898         updatenumlockmask();
2899
2900         for (k = 0; k < ScreenCount(display); k++) {
2901                 if (TAILQ_EMPTY(&screens[k].rl))
2902                         continue;
2903                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2904                 for (i = 0; i < keys_length; i++) {
2905                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2906                                 for (j = 0; j < LENGTH(modifiers); j++)
2907                                         XGrabKey(display, code,
2908                                             keys[i].mod | modifiers[j],
2909                                             screens[k].root, True,
2910                                             GrabModeAsync, GrabModeAsync);
2911                 }
2912         }
2913 }
2914
2915 void
2916 grabbuttons(struct ws_win *win, int focused)
2917 {
2918         unsigned int            i, j;
2919         unsigned int            modifiers[] =
2920             { 0, LockMask, numlockmask, numlockmask|LockMask };
2921
2922         updatenumlockmask();
2923         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2924         if(focused) {
2925                 for (i = 0; i < LENGTH(buttons); i++)
2926                         if (buttons[i].action == client_click)
2927                                 for (j = 0; j < LENGTH(modifiers); j++)
2928                                         XGrabButton(display, buttons[i].button,
2929                                             buttons[i].mask | modifiers[j],
2930                                             win->id, False, BUTTONMASK,
2931                                             GrabModeAsync, GrabModeSync, None,
2932                                             None);
2933         } else
2934                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2935                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2936 }
2937
2938 const char *quirkname[] = {
2939         "NONE",         /* config string for "no value" */
2940         "FLOAT",
2941         "TRANSSZ",
2942         "ANYWHERE",
2943         "XTERM_FONTADJ",
2944         "FULLSCREEN",
2945 };
2946
2947 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
2948 #define SWM_Q_WS                "\n|+ \t"
2949 int
2950 parsequirks(char *qstr, unsigned long *quirk)
2951 {
2952         char                    *cp, *name;
2953         int                     i;
2954
2955         if (quirk == NULL)
2956                 return (1);
2957
2958         cp = qstr;
2959         *quirk = 0;
2960         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
2961                 if (cp)
2962                         cp += (long)strspn(cp, SWM_Q_WS);
2963                 for (i = 0; i < LENGTH(quirkname); i++) {
2964                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
2965                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
2966                                 if (i == 0) {
2967                                         *quirk = 0;
2968                                         return (0);
2969                                 }
2970                                 *quirk |= 1 << (i-1);
2971                                 break;
2972                         }
2973                 }
2974                 if (i >= LENGTH(quirkname)) {
2975                         DNPRINTF(SWM_D_QUIRK,
2976                             "parsequirks: invalid quirk [%s]\n", name);
2977                         return (1);
2978                 }
2979         }
2980         return (0);
2981 }
2982
2983 void
2984 setquirk(const char *class, const char *name, const int quirk)
2985 {
2986         int                     i, j;
2987
2988         /* find existing */
2989         for (i = 0; i < quirks_length; i++) {
2990                 if (!strcmp(quirks[i].class, class) &&
2991                     !strcmp(quirks[i].name, name)) {
2992                         if (!quirk) {
2993                                 /* found: delete */
2994                                 DNPRINTF(SWM_D_QUIRK,
2995                                     "setquirk: delete #%d %s:%s\n",
2996                                     i, quirks[i].class, quirks[i].name);
2997                                 free(quirks[i].class);
2998                                 free(quirks[i].name);
2999                                 j = quirks_length - 1;
3000                                 if (i < j)
3001                                         quirks[i] = quirks[j];
3002                                 quirks_length--;
3003                                 return;
3004                         } else {
3005                                 /* found: replace */
3006                                 DNPRINTF(SWM_D_QUIRK,
3007                                     "setquirk: replace #%d %s:%s\n",
3008                                     i, quirks[i].class, quirks[i].name);
3009                                 free(quirks[i].class);
3010                                 free(quirks[i].name);
3011                                 quirks[i].class = strdup(class);
3012                                 quirks[i].name = strdup(name);
3013                                 quirks[i].quirk = quirk;
3014                                 return;
3015                         }
3016                 }
3017         }
3018         if (!quirk) {
3019                 fprintf(stderr,
3020                     "error: setquirk: cannot find class/name combination");
3021                 return;
3022         }
3023         /* not found: add */
3024         if (quirks_size == 0 || quirks == NULL) {
3025                 quirks_size = 4;
3026                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3027                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3028                 if (!quirks) {
3029                         fprintf(stderr, "setquirk: malloc failed\n");
3030                         perror(" failed");
3031                         quit(NULL, NULL);
3032                 }
3033         } else if (quirks_length == quirks_size) {
3034                 quirks_size *= 2;
3035                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3036                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3037                 if (!quirks) {
3038                         fprintf(stderr, "setquirk: realloc failed\n");
3039                         perror(" failed");
3040                         quit(NULL, NULL);
3041                 }
3042         }
3043         if (quirks_length < quirks_size) {
3044                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3045                 j = quirks_length++;
3046                 quirks[j].class = strdup(class);
3047                 quirks[j].name = strdup(name);
3048                 quirks[j].quirk = quirk;
3049         } else {
3050                 fprintf(stderr, "quirks array problem?\n");
3051                 if (!quirks) {
3052                         fprintf(stderr, "quirks array problem!\n");
3053                         quit(NULL, NULL);
3054                 }
3055         }
3056 }
3057
3058 int
3059 setconfquirk(char *selector, char *value, int flags)
3060 {
3061         char                    *cp, *class, *name;
3062         int                     retval;
3063         unsigned long           quirks;
3064         if (selector == NULL)
3065                 return (0);
3066         if ((cp = strchr(selector, ':')) == NULL)
3067                 return (0);
3068         *cp = '\0';
3069         class = selector;
3070         name = cp + 1;
3071         if ((retval = parsequirks(value, &quirks)) == 0)
3072                 setquirk(class, name, quirks);
3073         return (retval);
3074 }
3075
3076 void
3077 setup_quirks(void)
3078 {
3079         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3080         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3081         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3082         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3083         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3084         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3085         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3086         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3087         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3088         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3089         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3090         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3091         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3092 }
3093
3094 /* conf file stuff */
3095 #define SWM_CONF_FILE   "scrotwm.conf"
3096
3097 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3098           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3099           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3100           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3101           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3102
3103 int
3104 setconfvalue(char *selector, char *value, int flags)
3105 {
3106         switch (flags) {
3107         case SWM_S_BAR_DELAY:
3108                 bar_delay = atoi(value);
3109                 break;
3110         case SWM_S_BAR_ENABLED:
3111                 bar_enabled = atoi(value);
3112                 break;
3113         case SWM_S_STACK_ENABLED:
3114                 stack_enabled = atoi(value);
3115                 break;
3116         case SWM_S_CLOCK_ENABLED:
3117                 clock_enabled = atoi(value);
3118                 break;
3119         case SWM_S_CYCLE_EMPTY:
3120                 cycle_empty = atoi(value);
3121                 break;
3122         case SWM_S_CYCLE_VISIBLE:
3123                 cycle_visible = atoi(value);
3124                 break;
3125         case SWM_S_SS_ENABLED:
3126                 ss_enabled = atoi(value);
3127                 break;
3128         case SWM_S_TERM_WIDTH:
3129                 term_width = atoi(value);
3130                 break;
3131         case SWM_S_TITLE_CLASS_ENABLED:
3132                 title_class_enabled = atoi(value);
3133                 break;
3134         case SWM_S_TITLE_NAME_ENABLED:
3135                 title_name_enabled = atoi(value);
3136                 break;
3137         case SWM_S_BAR_FONT:
3138                 free(bar_fonts[0]);
3139                 if ((bar_fonts[0] = strdup(value)) == NULL)
3140                         err(1, "setconfvalue: bar_font");
3141                 break;
3142         case SWM_S_BAR_ACTION:
3143                 free(bar_argv[0]);
3144                 if ((bar_argv[0] = strdup(value)) == NULL)
3145                         err(1, "setconfvalue: bar_action");
3146                 break;
3147         case SWM_S_SPAWN_TERM:
3148                 free(spawn_term[0]);
3149                 if ((spawn_term[0] = strdup(value)) == NULL)
3150                         err(1, "setconfvalue: spawn_term");
3151                 break;
3152         case SWM_S_SS_APP:
3153                 break;
3154         case SWM_S_DIALOG_RATIO:
3155                 dialog_ratio = atof(value);
3156                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3157                         dialog_ratio = .6;
3158                 break;
3159         default:
3160                 return (1);
3161         }
3162         return (0);
3163 }
3164
3165 int
3166 setconfmodkey(char *selector, char *value, int flags)
3167 {
3168         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3169                 update_modkey(Mod1Mask);
3170         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3171                 update_modkey(Mod2Mask);
3172         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3173                 update_modkey(Mod3Mask);
3174         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3175                 update_modkey(Mod4Mask);
3176         else
3177                 return (1);
3178         return (0);
3179 }
3180
3181 int
3182 setconfcolor(char *selector, char *value, int flags)
3183 {
3184         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3185         return (0);
3186 }
3187
3188 int
3189 setconfregion(char *selector, char *value, int flags)
3190 {
3191         custom_region(value);
3192         return (0);
3193 }
3194
3195 /* config options */
3196 struct config_option {
3197         char                    *optname;
3198         int (*func)(char*, char*, int);
3199         int funcflags;
3200 };
3201 struct config_option configopt[] = {
3202         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3203         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3204         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3205         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3206         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3207         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3208         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3209         { "bind",                       setconfbinding, 0 },
3210         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3211         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3212         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3213         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3214         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3215         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3216         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3217         { "modkey",                     setconfmodkey,  0 },
3218         { "program",                    setconfspawn,   0 },
3219         { "quirk",                      setconfquirk,   0 },
3220         { "region",                     setconfregion,  0 },
3221         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3222         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3223         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3224         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3225         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3226         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3227 };
3228
3229
3230 int
3231 conf_load(char *filename)
3232 {
3233         FILE                    *config;
3234         char                    *line, *cp, *optsub, *optval;
3235         size_t                  linelen, lineno = 0;
3236         int                     wordlen, i, optind;
3237         struct config_option    *opt;
3238
3239         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3240
3241         if (filename == NULL) {
3242                 fprintf(stderr, "conf_load: no filename\n");
3243                 return (1);
3244         }
3245         if ((config = fopen(filename, "r")) == NULL) {
3246                 warn("conf_load: fopen");
3247                 return (1);
3248         }
3249
3250         while (!feof(config)) {
3251                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3252                     == NULL) {
3253                         if (ferror(config))
3254                                 err(1, "%s", filename);
3255                         else
3256                                 continue;
3257                 }
3258                 cp = line;
3259                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3260                 if (cp[0] == '\0') {
3261                         /* empty line */
3262                         free(line);
3263                         continue;
3264                 }
3265                 /* get config option */
3266                 wordlen = strcspn(cp, "=[ \t\n");
3267                 if (wordlen == 0) {
3268                         warnx("%s: line %zd: no option found",
3269                             filename, lineno);
3270                         return (1);
3271                 }
3272                 optind = -1;
3273                 for (i = 0; i < LENGTH(configopt); i++) {
3274                         opt = &configopt[i];
3275                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3276                             strlen(opt->optname) == wordlen) {
3277                                 optind = i;
3278                                 break;
3279                         }
3280                 }
3281                 if (optind == -1) {
3282                         warnx("%s: line %zd: unknown option %.*s",
3283                             filename, lineno, wordlen, cp);
3284                         return (1);
3285                 }
3286                 cp += wordlen;
3287                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3288                 /* get [selector] if any */
3289                 optsub = NULL;
3290                 if (*cp == '[') {
3291                         cp++;
3292                         wordlen = strcspn(cp, "]");
3293                         if (*cp != ']') {
3294                                 if (wordlen == 0) {
3295                                         warnx("%s: line %zd: syntax error",
3296                                             filename, lineno);
3297                                         return (1);
3298                                 }
3299                                 asprintf(&optsub, "%.*s", wordlen, cp);
3300                         }
3301                         cp += wordlen;
3302                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3303                 }
3304                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3305                 /* get RHS value */
3306                 optval = strdup(cp);
3307                 /* call function to deal with it all */
3308                 if (configopt[optind].func(optsub, optval,
3309                     configopt[optind].funcflags) != 0) {
3310                         fprintf(stderr, "%s line %zd: %s\n",
3311                             filename, lineno, line);
3312                         errx(1, "%s: line %zd: invalid data for %s",
3313                             filename, lineno, configopt[optind].optname);
3314                 }
3315                 free(optval);
3316                 free(optsub);
3317                 free(line);
3318         }
3319
3320         fclose(config);
3321         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3322
3323         return (0);
3324 }
3325
3326 struct ws_win *
3327 manage_window(Window id)
3328 {
3329         Window                  trans = 0;
3330         struct workspace        *ws;
3331         struct ws_win           *win, *ww, *parent;
3332         int                     format, i, ws_idx, n, border_me = 0;
3333         unsigned long           nitems, bytes;
3334         Atom                    ws_idx_atom = 0, type;
3335         Atom                    *prot = NULL, *pp;
3336         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3337         struct swm_region       *r;
3338         long                    mask;
3339         const char              *errstr;
3340         XWindowChanges          wc;
3341
3342         if ((win = find_window(id)) != NULL)
3343                         return (win);   /* already being managed */
3344
3345         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3346                 errx(1, "calloc: failed to allocate memory for new window");
3347
3348         /* Get all the window data in one shot */
3349         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3350         if (ws_idx_atom)
3351                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3352                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3353         XGetWindowAttributes(display, id, &win->wa);
3354         XGetWMNormalHints(display, id, &win->sh, &mask);
3355         XGetTransientForHint(display, id, &trans);
3356         if (trans) {
3357                 win->transient = trans;
3358                 parent = find_window(win->transient);
3359                 if (parent)
3360                         parent->child_trans = win;
3361                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3362                     (unsigned)win->id, win->transient);
3363         }
3364         /* get supported protocols */
3365         if (XGetWMProtocols(display, id, &prot, &n)) {
3366                 for (i = 0, pp = prot; i < n; i++, pp++) {
3367                         if (*pp == takefocus)
3368                                 win->take_focus = 1;
3369                         if (*pp == adelete)
3370                                 win->can_delete = 1;
3371                 }
3372                 if (prot)
3373                         XFree(prot);
3374         }
3375
3376         /*
3377          * Figure out where to put the window. If it was previously assigned to
3378          * a workspace (either by spawn() or manually moving), and isn't
3379          * transient, * put it in the same workspace
3380          */
3381         r = root_to_region(win->wa.root);
3382         if (prop && win->transient == 0) {
3383                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3384                 ws_idx = strtonum(prop, 0, 9, &errstr);
3385                 if (errstr) {
3386                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3387                             errstr, prop);
3388                 }
3389                 ws = &r->s->ws[ws_idx];
3390         } else {
3391                 ws = r->ws;
3392                 /* this should launch transients in the same ws as parent */
3393                 if (id && trans)
3394                         if ((ww = find_window(trans)) != NULL)
3395                                 if (ws->r) {
3396                                         ws = ww->ws;
3397                                         if (ww->ws->r)
3398                                                 r = ww->ws->r;
3399                                         else
3400                                                 fprintf(stderr,
3401                                                     "fix this bug mcbride\n");
3402                                         border_me = 1;
3403                                 }
3404         }
3405
3406         /* set up the window layout */
3407         win->id = id;
3408         win->ws = ws;
3409         win->s = r->s;  /* this never changes */
3410         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3411
3412         win->g.w = win->wa.width;
3413         win->g.h = win->wa.height;
3414         win->g.x = win->wa.x;
3415         win->g.y = win->wa.y;
3416
3417         /* Set window properties so we can remember this after reincarnation */
3418         if (ws_idx_atom && prop == NULL &&
3419             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3420                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3421                     ws_idx_str);
3422                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3423                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3424         }
3425         XFree(prop);
3426
3427         if (XGetClassHint(display, win->id, &win->ch)) {
3428                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3429                     win->ch.res_class, win->ch.res_name);
3430
3431                 /* java is retarded so treat it special */
3432                 if (strstr(win->ch.res_name, "sun-awt"))
3433                         win->java = 1;
3434
3435                 for (i = 0; i < quirks_length; i++){
3436                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3437                             !strcmp(win->ch.res_name, quirks[i].name)) {
3438                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3439                                     win->ch.res_class, win->ch.res_name);
3440                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3441                                         win->floating = 1;
3442                                 win->quirks = quirks[i].quirk;
3443                         }
3444                 }
3445         }
3446
3447         if (win->java && win->transient) {
3448         }
3449         /* alter window position if quirky */
3450         if (win->quirks & SWM_Q_ANYWHERE) {
3451                 win->manual = 1; /* don't center the quirky windows */
3452                 bzero(&wc, sizeof wc);
3453                 mask = 0;
3454                 if (win->g.y < bar_height) {
3455                         win->g.y = wc.y = bar_height;
3456                         mask |= CWY;
3457                 }
3458                 if (win->g.w + win->g.x > WIDTH(r)) {
3459                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3460                         mask |= CWX;
3461                 }
3462                 border_me = 1;
3463         }
3464
3465         /* Reset font sizes (the bruteforce way; no default keybinding). */
3466         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3467                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3468                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3469                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3470                         fake_keypress(win, XK_KP_Add, ShiftMask);
3471         }
3472
3473         /* border me */
3474         if (border_me) {
3475                 bzero(&wc, sizeof wc);
3476                 wc.border_width = 1;
3477                 mask = CWBorderWidth;
3478                 XConfigureWindow(display, win->id, mask, &wc);
3479         }
3480
3481         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3482             PropertyChangeMask | StructureNotifyMask);
3483
3484         set_win_state(win, NormalState);
3485
3486         /* floaters need to be mapped if they are in the current workspace */
3487         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3488                 XMapRaised(display, win->id);
3489
3490         return (win);
3491 }
3492
3493 void
3494 unmanage_window(struct ws_win *win)
3495 {
3496         struct workspace        *ws;
3497         struct ws_win           *parent;
3498
3499         if (win == NULL)
3500                 return;
3501
3502         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3503
3504         if (win->transient) {
3505                 parent = find_window(win->transient);
3506                 if (parent)
3507                         parent->child_trans = NULL;
3508         }
3509
3510         ws = win->ws;
3511         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3512         if (win->ch.res_class)
3513                 XFree(win->ch.res_class);
3514         if (win->ch.res_name)
3515                 XFree(win->ch.res_name);
3516         free(win);
3517 }
3518
3519 void
3520 focus_magic(struct ws_win *win)
3521 {
3522         if (win->child_trans) {
3523                 /* win = parent & has a transient so focus on that */
3524                 if (win->java) {
3525                         focus_win(win->child_trans);
3526                         if (win->child_trans->take_focus)
3527                                 client_msg(win, takefocus);
3528                 } else {
3529                         focus_win(win->child_trans);
3530                         if (win->child_trans->take_focus)
3531                                 client_msg(win->child_trans, takefocus);
3532                 }
3533         } else {
3534                 /* regular focus */
3535                 focus_win(win);
3536                 if (win->take_focus)
3537                         client_msg(win, takefocus);
3538         }
3539 }
3540
3541 void
3542 expose(XEvent *e)
3543 {
3544         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3545 }
3546
3547 void
3548 keypress(XEvent *e)
3549 {
3550         unsigned int            i;
3551         KeySym                  keysym;
3552         XKeyEvent               *ev = &e->xkey;
3553
3554         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3555
3556         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3557         for (i = 0; i < keys_length; i++)
3558                 if (keysym == keys[i].keysym
3559                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3560                    && keyfuncs[keys[i].funcid].func) {
3561                         if (keys[i].funcid == kf_spawn_custom)
3562                                 spawn_custom(
3563                                     root_to_region(ev->root),
3564                                     &(keyfuncs[keys[i].funcid].args),
3565                                     keys[i].spawn_name
3566                                     );
3567                         else
3568                                 keyfuncs[keys[i].funcid].func(
3569                                     root_to_region(ev->root),
3570                                     &(keyfuncs[keys[i].funcid].args)
3571                                     );
3572                 }
3573 }
3574
3575 void
3576 buttonpress(XEvent *e)
3577 {
3578         XButtonPressedEvent     *ev = &e->xbutton;
3579
3580         struct ws_win           *win;
3581         int                     i, action;
3582
3583         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3584
3585         action = root_click;
3586         if ((win = find_window(ev->window)) == NULL)
3587                 return;
3588
3589         focus_magic(win);
3590         action = client_click;
3591
3592         for (i = 0; i < LENGTH(buttons); i++)
3593                 if (action == buttons[i].action && buttons[i].func &&
3594                     buttons[i].button == ev->button &&
3595                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3596                         buttons[i].func(win, &buttons[i].args);
3597 }
3598
3599 void
3600 configurerequest(XEvent *e)
3601 {
3602         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3603         struct ws_win           *win;
3604         int                     new = 0;
3605         XWindowChanges          wc;
3606
3607         if ((win = find_window(ev->window)) == NULL)
3608                 new = 1;
3609
3610         if (new) {
3611                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3612                     ev->window);
3613                 bzero(&wc, sizeof wc);
3614                 wc.x = ev->x;
3615                 wc.y = ev->y;
3616                 wc.width = ev->width;
3617                 wc.height = ev->height;
3618                 wc.border_width = ev->border_width;
3619                 wc.sibling = ev->above;
3620                 wc.stack_mode = ev->detail;
3621                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3622         } else {
3623                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3624                     ev->window);
3625                 if (win->floating) {
3626                         if (ev->value_mask & CWX)
3627                                 win->g.x = ev->x;
3628                         if (ev->value_mask & CWY)
3629                                 win->g.y = ev->y;
3630                         if (ev->value_mask & CWWidth)
3631                                 win->g.w = ev->width;
3632                         if (ev->value_mask & CWHeight)
3633                                 win->g.h = ev->height;
3634                         if (win->ws->r != NULL) {
3635                                 /* this seems to be full screen */
3636                                 if (win->g.w >= WIDTH(win->ws->r)) {
3637                                         win->g.x = 0;
3638                                         win->g.w = WIDTH(win->ws->r);
3639                                         ev->value_mask |= CWX | CWWidth;
3640                                 }
3641                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3642                                         /* kill border */
3643                                         win->g.y = 0;
3644                                         win->g.h = HEIGHT(win->ws->r);
3645                                         ev->value_mask |= CWY | CWHeight;
3646                                 }
3647                         }
3648                         if ((ev->value_mask & (CWX | CWY)) &&
3649                             !(ev->value_mask & (CWWidth | CWHeight)))
3650                                 config_win(win);
3651                         XMoveResizeWindow(display, win->id,
3652                             win->g.x, win->g.y, win->g.w, win->g.h);
3653                 } else
3654                         config_win(win);
3655         }
3656 }
3657
3658 void
3659 configurenotify(XEvent *e)
3660 {
3661         struct ws_win           *win;
3662         long                    mask;
3663
3664         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3665             e->xconfigure.window);
3666
3667         XMapWindow(display, e->xconfigure.window);
3668         win = find_window(e->xconfigure.window);
3669         if (win) {
3670                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3671                 adjust_font(win);
3672                 XMapWindow(display, win->id);
3673                 if (font_adjusted)
3674                         stack();
3675         }
3676 }
3677
3678 void
3679 destroynotify(XEvent *e)
3680 {
3681         struct ws_win           *win, *winfocus = NULL;
3682         struct workspace        *ws;
3683         struct ws_win_list      *wl;
3684         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3685
3686         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3687
3688         if ((win = find_window(ev->window)) != NULL) {
3689                 /* find a window to focus */
3690                 ws = win->ws;
3691                 wl = &ws->winlist;
3692
3693                 /* if we are transient give focus to parent */
3694                 if (win->transient)
3695                         winfocus = find_window(win->transient);
3696                 else if (ws->focus == win) {
3697                         /* if in max_stack try harder */
3698                         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3699                                 if (win != ws->focus_prev)
3700                                         winfocus = ws->focus_prev;
3701                                 else if (win != ws->focus)
3702                                         winfocus = ws->focus;
3703                         }
3704
3705                         /* fallback and normal handling */
3706                         if (winfocus == NULL) {
3707                                 if (TAILQ_FIRST(wl) == win)
3708                                         winfocus = TAILQ_NEXT(win, entry);
3709                                 else {
3710                                         winfocus = TAILQ_PREV(ws->focus,
3711                                             ws_win_list, entry);
3712                                         if (winfocus == NULL)
3713                                                 winfocus = TAILQ_LAST(wl,
3714                                                     ws_win_list);
3715                                 }
3716                         }
3717                 }
3718                 unmanage_window(win);
3719
3720                 ignore_enter = 1;
3721                 stack();
3722                 if (winfocus)
3723                         focus_win(winfocus);
3724                 ignore_enter = 0;
3725         }
3726 }
3727
3728 void
3729 enternotify(XEvent *e)
3730 {
3731         XCrossingEvent          *ev = &e->xcrossing;
3732         struct ws_win           *win;
3733
3734         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3735
3736         if (ignore_enter) {
3737                 /* eat event(r) to prevent autofocus */
3738                 ignore_enter = 0;
3739                 return;
3740         }
3741         /*
3742          * happens when a window is created or destroyed and the border
3743          * crosses the mouse pointer
3744          */
3745         if (QLength(display))
3746                 return;
3747
3748         if ((win = find_window(ev->window)) == NULL)
3749                 return;
3750
3751         focus_magic(win);
3752 }
3753
3754 void
3755 focusin(XEvent *e)
3756 {
3757         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3758 }
3759
3760 void
3761 focusout(XEvent *e)
3762 {
3763         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3764 }
3765
3766 void
3767 mapnotify(XEvent *e)
3768 {
3769         struct ws_win           *win;
3770         XMapEvent               *ev = &e->xmap;
3771
3772         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3773
3774         win = find_window(ev->window);
3775         if (win)
3776                 set_win_state(win, NormalState);
3777 }
3778
3779 void
3780 mappingnotify(XEvent *e)
3781 {
3782         XMappingEvent           *ev = &e->xmapping;
3783
3784         XRefreshKeyboardMapping(ev);
3785         if (ev->request == MappingKeyboard)
3786                 grabkeys();
3787 }
3788
3789 void
3790 maprequest(XEvent *e)
3791 {
3792         struct ws_win           *win;
3793         struct swm_region       *r;
3794
3795         XMapRequestEvent        *ev = &e->xmaprequest;
3796         XWindowAttributes       wa;
3797
3798         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3799             e->xmaprequest.window);
3800
3801         if (!XGetWindowAttributes(display, ev->window, &wa))
3802                 return;
3803         if (wa.override_redirect)
3804                 return;
3805
3806         win = manage_window(e->xmaprequest.window);
3807         if (win == NULL)
3808                 return; /* can't happen */
3809
3810         ignore_enter = 1;
3811         stack();
3812         ignore_enter = 0;
3813
3814         /* make new win focused */
3815         r = root_to_region(win->wa.root);
3816         if (win->ws == r->ws)
3817                 focus_win(win);
3818 }
3819
3820 void
3821 propertynotify(XEvent *e)
3822 {
3823         struct ws_win           *win;
3824         XPropertyEvent          *ev = &e->xproperty;
3825
3826         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3827             ev->window);
3828
3829         if (ev->state == PropertyDelete)
3830                 return; /* ignore */
3831         win = find_window(ev->window);
3832         if (win == NULL)
3833                 return;
3834
3835         switch (ev->atom) {
3836         case XA_WM_NORMAL_HINTS:
3837 #if 0
3838                 long            mask;
3839                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3840                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3841                 if (win->sh.flags & PMinSize) {
3842                         win->g.w = win->sh.min_width;
3843                         win->g.h = win->sh.min_height;
3844                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3845                 }
3846                 XMoveResizeWindow(display, win->id,
3847                     win->g.x, win->g.y, win->g.w, win->g.h);
3848 #endif
3849                 break;
3850         default:
3851                 break;
3852         }
3853 }
3854
3855 void
3856 unmapnotify(XEvent *e)
3857 {
3858         struct ws_win           *win, *winfocus = NULL;
3859         struct workspace        *ws;
3860
3861         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3862
3863         /* determine if we need to help unmanage this window */
3864         win = find_window(e->xunmap.window);
3865         if (win == NULL)
3866                 return;
3867
3868         /* java can not deal with this heuristic */
3869         if (win->java)
3870                 return;
3871
3872         if (getstate(e->xunmap.window) == NormalState) {
3873                 /*
3874                  * this window does not have a destroy event but but it is no
3875                  * longer visible due to the app unmapping it so unmanage it
3876                  */
3877                 ws = win->ws;
3878                 /* if we are max_stack try harder to focus on something */
3879                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3880                         if (win->transient)
3881                                 winfocus = find_window(win->transient);
3882                         else if (win != ws->focus_prev)
3883                                 winfocus = ws->focus_prev;
3884                         else if (win != ws->focus)
3885                                 winfocus = ws->focus;
3886                 }
3887
3888                 /* normal and fallback if haven't found anything to focus on */
3889                 if (winfocus == NULL) {
3890                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3891                         if (TAILQ_FIRST(&ws->winlist) == win)
3892                                 winfocus = TAILQ_NEXT(win, entry);
3893                         else {
3894                                 if (ws->focus)
3895                                         winfocus = TAILQ_PREV(ws->focus,
3896                                             ws_win_list, entry);
3897                                 if (winfocus == NULL)
3898                                         winfocus = TAILQ_LAST(&ws->winlist,
3899                                             ws_win_list);
3900                         }
3901                 }
3902
3903                 /* trash window and refocus */
3904                 unmanage_window(win);
3905                 ignore_enter = 1;
3906                 stack();
3907                 focus_win(winfocus);
3908                 ignore_enter = 0;
3909         }
3910 }
3911
3912 void
3913 visibilitynotify(XEvent *e)
3914 {
3915         int                     i;
3916         struct swm_region       *r;
3917
3918         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
3919             e->xvisibility.window);
3920         if (e->xvisibility.state == VisibilityUnobscured)
3921                 for (i = 0; i < ScreenCount(display); i++)
3922                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3923                                 if (e->xvisibility.window == r->bar_window)
3924                                         bar_update();
3925 }
3926
3927 int
3928 xerror_start(Display *d, XErrorEvent *ee)
3929 {
3930         other_wm = 1;
3931         return (-1);
3932 }
3933
3934 int
3935 xerror(Display *d, XErrorEvent *ee)
3936 {
3937         /* fprintf(stderr, "error: %p %p\n", display, ee); */
3938         return (-1);
3939 }
3940
3941 int
3942 active_wm(void)
3943 {
3944         other_wm = 0;
3945         xerrorxlib = XSetErrorHandler(xerror_start);
3946
3947         /* this causes an error if some other window manager is running */
3948         XSelectInput(display, DefaultRootWindow(display),
3949             SubstructureRedirectMask);
3950         XSync(display, False);
3951         if (other_wm)
3952                 return (1);
3953
3954         XSetErrorHandler(xerror);
3955         XSync(display, False);
3956         return (0);
3957 }
3958
3959 void
3960 new_region(struct swm_screen *s, int x, int y, int w, int h)
3961 {
3962         struct swm_region       *r, *n;
3963         struct workspace        *ws = NULL;
3964         int                     i;
3965
3966         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
3967              s->idx, w, h, x, y);
3968
3969         /* remove any conflicting regions */
3970         n = TAILQ_FIRST(&s->rl);
3971         while (n) {
3972                 r = n;
3973                 n = TAILQ_NEXT(r, entry);
3974                 if (X(r) < (x + w) &&
3975                     (X(r) + WIDTH(r)) > x &&
3976                     Y(r) < (y + h) &&
3977                     (Y(r) + HEIGHT(r)) > y) {
3978                         XDestroyWindow(display, r->bar_window);
3979                         TAILQ_REMOVE(&s->rl, r, entry);
3980                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
3981                 }
3982         }
3983
3984         /* search old regions for one to reuse */
3985
3986         /* size + location match */
3987         TAILQ_FOREACH(r, &s->orl, entry)
3988                 if (X(r) == x && Y(r) == y &&
3989                     HEIGHT(r) == h && WIDTH(r) == w)
3990                         break;
3991
3992         /* size match */
3993         TAILQ_FOREACH(r, &s->orl, entry)
3994                 if (HEIGHT(r) == h && WIDTH(r) == w)
3995                         break;
3996
3997         if (r != NULL) {
3998                 TAILQ_REMOVE(&s->orl, r, entry);
3999                 /* try to use old region's workspace */
4000                 if (r->ws->r == NULL)
4001                         ws = r->ws;
4002         } else
4003                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4004                         errx(1, "calloc: failed to allocate memory for screen");
4005
4006         /* if we don't have a workspace already, find one */
4007         if (ws == NULL) {
4008                 for (i = 0; i < SWM_WS_MAX; i++)
4009                         if (s->ws[i].r == NULL) {
4010                                 ws = &s->ws[i];
4011                                 break;
4012                         }
4013         }
4014
4015         if (ws == NULL)
4016                 errx(1, "no free workspaces\n");
4017
4018         X(r) = x;
4019         Y(r) = y;
4020         WIDTH(r) = w;
4021         HEIGHT(r) = h;
4022         r->s = s;
4023         r->ws = ws;
4024         ws->r = r;
4025         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4026 }
4027
4028 void
4029 scan_xrandr(int i)
4030 {
4031 #ifdef SWM_XRR_HAS_CRTC
4032         XRRCrtcInfo             *ci;
4033         XRRScreenResources      *sr;
4034         int                     c;
4035         int                     ncrtc = 0;
4036 #endif /* SWM_XRR_HAS_CRTC */
4037         struct swm_region       *r;
4038
4039
4040         if (i >= ScreenCount(display))
4041                 errx(1, "invalid screen");
4042
4043         /* remove any old regions */
4044         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4045                 r->ws->old_r = r->ws->r = NULL;
4046                 XDestroyWindow(display, r->bar_window);
4047                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4048                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4049         }
4050
4051         /* map virtual screens onto physical screens */
4052 #ifdef SWM_XRR_HAS_CRTC
4053         outputs = 0;
4054         if (xrandr_support) {
4055                 sr = XRRGetScreenResources(display, screens[i].root);
4056                 if (sr == NULL)
4057                         new_region(&screens[i], 0, 0,
4058                             DisplayWidth(display, i),
4059                             DisplayHeight(display, i));
4060                 else
4061                         ncrtc = sr->ncrtc;
4062
4063                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4064                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4065                         if (ci->noutput == 0)
4066                                 continue;
4067                         outputs++;
4068
4069                         if (ci != NULL && ci->mode == None)
4070                                 new_region(&screens[i], 0, 0,
4071                                     DisplayWidth(display, i),
4072                                     DisplayHeight(display, i));
4073                         else
4074                                 new_region(&screens[i],
4075                                     ci->x, ci->y, ci->width, ci->height);
4076                 }
4077                 if (ci)
4078                         XRRFreeCrtcInfo(ci);
4079                 XRRFreeScreenResources(sr);
4080         } else
4081 #endif /* SWM_XRR_HAS_CRTC */
4082         {
4083                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4084                     DisplayHeight(display, i));
4085         }
4086 }
4087
4088 void
4089 screenchange(XEvent *e) {
4090         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4091         struct swm_region               *r;
4092         int                             i;
4093
4094         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4095
4096         if (!XRRUpdateConfiguration(e))
4097                 return;
4098
4099         /* silly event doesn't include the screen index */
4100         for (i = 0; i < ScreenCount(display); i++)
4101                 if (screens[i].root == xe->root)
4102                         break;
4103         if (i >= ScreenCount(display))
4104                 errx(1, "screenchange: screen not found\n");
4105
4106         /* brute force for now, just re-enumerate the regions */
4107         scan_xrandr(i);
4108
4109         /* add bars to all regions */
4110         for (i = 0; i < ScreenCount(display); i++)
4111                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4112                         bar_setup(r);
4113         stack();
4114 }
4115
4116 void
4117 setup_screens(void)
4118 {
4119         Window                  d1, d2, *wins = NULL;
4120         XWindowAttributes       wa;
4121         unsigned int            no;
4122         int                     i, j, k;
4123         int                     errorbase, major, minor;
4124         struct workspace        *ws;
4125         int                     ws_idx_atom;
4126         long                    state, manage;
4127
4128         if ((screens = calloc(ScreenCount(display),
4129              sizeof(struct swm_screen))) == NULL)
4130                 errx(1, "calloc: screens");
4131
4132         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4133
4134         /* initial Xrandr setup */
4135         xrandr_support = XRRQueryExtension(display,
4136             &xrandr_eventbase, &errorbase);
4137         if (xrandr_support)
4138                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4139                         xrandr_support = 0;
4140
4141         /* map physical screens */
4142         for (i = 0; i < ScreenCount(display); i++) {
4143                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4144                 screens[i].idx = i;
4145                 TAILQ_INIT(&screens[i].rl);
4146                 TAILQ_INIT(&screens[i].orl);
4147                 screens[i].root = RootWindow(display, i);
4148
4149                 /* set default colors */
4150                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4151                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4152                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4153                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4154                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4155
4156                 /* init all workspaces */
4157                 /* XXX these should be dynamically allocated too */
4158                 for (j = 0; j < SWM_WS_MAX; j++) {
4159                         ws = &screens[i].ws[j];
4160                         ws->idx = j;
4161                         ws->restack = 1;
4162                         ws->focus = NULL;
4163                         ws->r = NULL;
4164                         ws->old_r = NULL;
4165                         TAILQ_INIT(&ws->winlist);
4166
4167                         for (k = 0; layouts[k].l_stack != NULL; k++)
4168                                 if (layouts[k].l_config != NULL)
4169                                         layouts[k].l_config(ws,
4170                                             SWM_ARG_ID_STACKINIT);
4171                         ws->cur_layout = &layouts[0];
4172                 }
4173                 /* grab existing windows (before we build the bars)*/
4174                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4175                         continue;
4176
4177                 scan_xrandr(i);
4178
4179                 if (xrandr_support)
4180                         XRRSelectInput(display, screens[i].root,
4181                             RRScreenChangeNotifyMask);
4182
4183                 /* attach windows to a region */
4184                 /* normal windows */
4185                 for (j = 0; j < no; j++) {
4186                         XGetWindowAttributes(display, wins[j], &wa);
4187                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4188                             wa.override_redirect ||
4189                             XGetTransientForHint(display, wins[j], &d1))
4190                                 continue;
4191
4192                         state = getstate(wins[j]);
4193                         manage = state == NormalState || state == IconicState;
4194                         if (wa.map_state == IsViewable || manage)
4195                                 manage_window(wins[j]);
4196                 }
4197                 /* transient windows */
4198                 for (j = 0; j < no; j++) {
4199                         if (!XGetWindowAttributes(display, wins[j], &wa))
4200                                 continue;
4201
4202                         state = getstate(wins[j]);
4203                         manage = state == NormalState || state == IconicState;
4204                         if (XGetTransientForHint(display, wins[j], &d1) &&
4205                             manage)
4206                                 manage_window(wins[j]);
4207                 }
4208                 if (wins) {
4209                         XFree(wins);
4210                         wins = NULL;
4211                 }
4212         }
4213 }
4214
4215 void
4216 setup_globals(void)
4217 {
4218         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4219             == NULL)
4220                 err(1, "setup_globals: strdup");
4221         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4222             == NULL)
4223                 err(1, "setup_globals: strdup");
4224         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4225             == NULL)
4226                 err(1, "setup_globals: strdup");
4227         if ((spawn_term[0] = strdup("xterm")) == NULL)
4228                 err(1, "setup_globals: strdup");
4229 }
4230
4231 void
4232 workaround(void)
4233 {
4234         int                     i;
4235         Atom                    netwmcheck, netwmname, utf8_string;
4236         Window                  root;
4237
4238         /* work around sun jdk bugs, code from wmname */
4239         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4240         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4241         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4242         for (i = 0; i < ScreenCount(display); i++) {
4243                 root = screens[i].root;
4244                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4245                     PropModeReplace, (unsigned char *)&root, 1);
4246                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4247                     PropModeReplace, "LG3D", strlen("LG3D"));
4248         }
4249 }
4250
4251 int
4252 main(int argc, char *argv[])
4253 {
4254         struct passwd           *pwd;
4255         struct swm_region       *r, *rr;
4256         struct ws_win           *winfocus = NULL;
4257         char                    conf[PATH_MAX], *cfile = NULL;
4258         struct stat             sb;
4259         XEvent                  e;
4260         int                     xfd, i;
4261         fd_set                  rd;
4262
4263         start_argv = argv;
4264         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4265             SWM_VERSION, cvstag);
4266         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4267                 warnx("no locale support");
4268
4269         if (!(display = XOpenDisplay(0)))
4270                 errx(1, "can not open display");
4271
4272         if (active_wm())
4273                 errx(1, "other wm running");
4274
4275         /* handle some signale */
4276         installsignal(SIGINT, "INT");
4277         installsignal(SIGHUP, "HUP");
4278         installsignal(SIGQUIT, "QUIT");
4279         installsignal(SIGTERM, "TERM");
4280         installsignal(SIGCHLD, "CHLD");
4281
4282         astate = XInternAtom(display, "WM_STATE", False);
4283         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4284         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4285         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4286
4287         /* look for local and global conf file */
4288         pwd = getpwuid(getuid());
4289         if (pwd == NULL)
4290                 errx(1, "invalid user %d", getuid());
4291
4292         setup_screens();
4293         setup_globals();
4294         setup_keys();
4295         setup_quirks();
4296         setup_spawn();
4297
4298         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4299         if (stat(conf, &sb) != -1) {
4300                 if (S_ISREG(sb.st_mode))
4301                         cfile = conf;
4302         } else {
4303                 /* try global conf file */
4304                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4305                 if (!stat(conf, &sb))
4306                         if (S_ISREG(sb.st_mode))
4307                                 cfile = conf;
4308         }
4309         if (cfile)
4310                 conf_load(cfile);
4311
4312         /* setup all bars */
4313         for (i = 0; i < ScreenCount(display); i++)
4314                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4315                         if (winfocus == NULL)
4316                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4317                         bar_setup(r);
4318                 }
4319
4320         /* set some values to work around bad programs */
4321         workaround();
4322
4323         grabkeys();
4324         stack();
4325
4326         xfd = ConnectionNumber(display);
4327         while (running) {
4328                 while (XPending(display)) {
4329                         XNextEvent(display, &e);
4330                         if (running == 0)
4331                                 goto done;
4332                         if (e.type < LASTEvent) {
4333                                 dumpevent(&e);
4334                                 if (handler[e.type])
4335                                         handler[e.type](&e);
4336                                 else
4337                                         DNPRINTF(SWM_D_EVENT,
4338                                             "win: %lu unknown event: %d\n",
4339                                             e.xany.window, e.type);
4340                         } else {
4341                                 switch (e.type - xrandr_eventbase) {
4342                                 case RRScreenChangeNotify:
4343                                         screenchange(&e);
4344                                         break;
4345                                 default:
4346                                         DNPRINTF(SWM_D_EVENT,
4347                                             "win: %lu unknown xrandr event: "
4348                                             "%d\n", e.xany.window, e.type);
4349                                         break;
4350                                 }
4351                         }
4352                 }
4353
4354                 /* if we are being restarted go focus on first window */
4355                 if (winfocus) {
4356                         rr = TAILQ_FIRST(&screens[0].rl);
4357                         /* move pointer to first screen if multi screen */
4358                         if (ScreenCount(display) > 1 || outputs > 1)
4359                                 XWarpPointer(display, None, rr->s[0].root,
4360                                     0, 0, 0, 0, rr->g.x,
4361                                     rr->g.y + bar_enabled ? bar_height : 0);
4362
4363                         focus_win(winfocus);
4364                         winfocus = NULL;
4365                         continue;
4366                 }
4367
4368                 FD_ZERO(&rd);
4369                 FD_SET(xfd, &rd);
4370                 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
4371                         if (errno != EINTR)
4372                                 DNPRINTF(SWM_D_MISC, "select failed");
4373                 if (running == 0)
4374                         goto done;
4375                 if (bar_alarm) {
4376                         bar_alarm = 0;
4377                         bar_update();
4378                 }
4379         }
4380 done:
4381         bar_extra_stop();
4382
4383         XCloseDisplay(display);
4384
4385         return (0);
4386 }