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     "0.9.18"
  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 #define WINID(w)                (w ? w->id : 0)
 152
 153 #ifndef SWM_LIB
 154 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 155 #endif
 156
 157 char                    **start_argv;
 158 Atom                    astate;
 159 Atom                    aprot;
 160 Atom                    adelete;
 161 Atom                    takefocus;
 162 volatile sig_atomic_t   running = 1;
 163 int                     outputs = 0;
 164 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 165 int                     other_wm;
 166 int                     ss_enabled = 0;
 167 int                     xrandr_support;
 168 int                     xrandr_eventbase;
 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_dumpwins,
 311         kf_invalid
 312 };
 313
 314 /* layout handlers */
 315 void    stack(void);
 316 void    vertical_config(struct workspace *, int);
 317 void    vertical_stack(struct workspace *, struct swm_geometry *);
 318 void    horizontal_config(struct workspace *, int);
 319 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 320 void    max_stack(struct workspace *, struct swm_geometry *);
 321
 322 struct ws_win *find_window(Window);
 323
 324 void    grabbuttons(struct ws_win *, int);
 325 void    new_region(struct swm_screen *, int, int, int, int);
 326 void    unmanage_window(struct ws_win *);
 327 long    getstate(Window);
 328
 329 struct layout {
 330         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 331         void            (*l_config)(struct workspace *, int);
 332         u_int32_t       flags;
 333 #define SWM_L_FOCUSPREV         (1<<0)
 334 #define SWM_L_MAPONFOCUS        (1<<1)
 335         char            *name;
 336 } layouts[] =  {
 337         /* stack,               configure */
 338         { vertical_stack,       vertical_config,        0,      "[|]" },
 339         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 340         { max_stack,            NULL,
 341           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]"},
 342         { NULL,                 NULL,                   0,      NULL },
 343 };
 344
 345 #define SWM_H_SLICE             (32)
 346 #define SWM_V_SLICE             (32)
 347
 348 /* define work spaces */
 349 struct workspace {
 350         int                     idx;            /* workspace index */
 351         struct layout           *cur_layout;    /* current layout handlers */
 352         struct ws_win           *focus;         /* may be NULL */
 353         struct ws_win           *focus_prev;    /* may be NULL */
 354         struct swm_region       *r;             /* may be NULL */
 355         struct swm_region       *old_r;         /* may be NULL */
 356         struct ws_win_list      winlist;        /* list of windows in ws */
 357         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 358
 359         /* stacker state */
 360         struct {
 361                                 int horizontal_msize;
 362                                 int horizontal_mwin;
 363                                 int horizontal_stacks;
 364                                 int vertical_msize;
 365                                 int vertical_mwin;
 366                                 int vertical_stacks;
 367         } l_state;
 368 };
 369
 370 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 371           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 372
 373 /* physical screen mapping */
 374 #define SWM_WS_MAX              (10)
 375 struct swm_screen {
 376         int                     idx;    /* screen index */
 377         struct swm_region_list  rl;     /* list of regions on this screen */
 378         struct swm_region_list  orl;    /* list of old regions */
 379         Window                  root;
 380         struct workspace        ws[SWM_WS_MAX];
 381
 382         /* colors */
 383         struct {
 384                 unsigned long   color;
 385                 char            *name;
 386         } c[SWM_S_COLOR_MAX];
 387 };
 388 struct swm_screen       *screens;
 389 int                     num_screens;
 390
 391 /* args to functions */
 392 union arg {
 393         int                     id;
 394 #define SWM_ARG_ID_FOCUSNEXT    (0)
 395 #define SWM_ARG_ID_FOCUSPREV    (1)
 396 #define SWM_ARG_ID_FOCUSMAIN    (2)
 397 #define SWM_ARG_ID_FOCUSCUR     (4)
 398 #define SWM_ARG_ID_SWAPNEXT     (10)
 399 #define SWM_ARG_ID_SWAPPREV     (11)
 400 #define SWM_ARG_ID_SWAPMAIN     (12)
 401 #define SWM_ARG_ID_MASTERSHRINK (20)
 402 #define SWM_ARG_ID_MASTERGROW   (21)
 403 #define SWM_ARG_ID_MASTERADD    (22)
 404 #define SWM_ARG_ID_MASTERDEL    (23)
 405 #define SWM_ARG_ID_STACKRESET   (30)
 406 #define SWM_ARG_ID_STACKINIT    (31)
 407 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 408 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 409 #define SWM_ARG_ID_CYCLESC_UP   (42)
 410 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 411 #define SWM_ARG_ID_STACKINC     (50)
 412 #define SWM_ARG_ID_STACKDEC     (51)
 413 #define SWM_ARG_ID_SS_ALL       (60)
 414 #define SWM_ARG_ID_SS_WINDOW    (61)
 415 #define SWM_ARG_ID_DONTCENTER   (70)
 416 #define SWM_ARG_ID_CENTER       (71)
 417 #define SWM_ARG_ID_KILLWINDOW   (80)
 418 #define SWM_ARG_ID_DELETEWINDOW (81)
 419         char                    **argv;
 420 };
 421
 422 void    focus(struct swm_region *, union arg *);
 423 void    focus_magic(struct ws_win *, int);
 424 #define SWM_F_GENERIC           (0)
 425 #define SWM_F_TRANSIENT         (1)
 426 /* quirks */
 427 struct quirk {
 428         char                    *class;
 429         char                    *name;
 430         unsigned long           quirk;
 431 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 432 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 433 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 434 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 435 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 436 };
 437 int                             quirks_size = 0, quirks_length = 0;
 438 struct quirk                    *quirks = NULL;
 439
 440 /* events */
 441 #ifdef SWM_DEBUG
 442 void
 443 dumpevent(XEvent *e)
 444 {
 445         char                    *name = NULL;
 446
 447         switch (e->type) {
 448         case KeyPress:
 449                 name = "KeyPress";
 450                 break;
 451         case KeyRelease:
 452                 name = "KeyRelease";
 453                 break;
 454         case ButtonPress:
 455                 name = "ButtonPress";
 456                 break;
 457         case ButtonRelease:
 458                 name = "ButtonRelease";
 459                 break;
 460         case MotionNotify:
 461                 name = "MotionNotify";
 462                 break;
 463         case EnterNotify:
 464                 name = "EnterNotify";
 465                 break;
 466         case LeaveNotify:
 467                 name = "LeaveNotify";
 468                 break;
 469         case FocusIn:
 470                 name = "FocusIn";
 471                 break;
 472         case FocusOut:
 473                 name = "FocusOut";
 474                 break;
 475         case KeymapNotify:
 476                 name = "KeymapNotify";
 477                 break;
 478         case Expose:
 479                 name = "Expose";
 480                 break;
 481         case GraphicsExpose:
 482                 name = "GraphicsExpose";
 483                 break;
 484         case NoExpose:
 485                 name = "NoExpose";
 486                 break;
 487         case VisibilityNotify:
 488                 name = "VisibilityNotify";
 489                 break;
 490         case CreateNotify:
 491                 name = "CreateNotify";
 492                 break;
 493         case DestroyNotify:
 494                 name = "DestroyNotify";
 495                 break;
 496         case UnmapNotify:
 497                 name = "UnmapNotify";
 498                 break;
 499         case MapNotify:
 500                 name = "MapNotify";
 501                 break;
 502         case MapRequest:
 503                 name = "MapRequest";
 504                 break;
 505         case ReparentNotify:
 506                 name = "ReparentNotify";
 507                 break;
 508         case ConfigureNotify:
 509                 name = "ConfigureNotify";
 510                 break;
 511         case ConfigureRequest:
 512                 name = "ConfigureRequest";
 513                 break;
 514         case GravityNotify:
 515                 name = "GravityNotify";
 516                 break;
 517         case ResizeRequest:
 518                 name = "ResizeRequest";
 519                 break;
 520         case CirculateNotify:
 521                 name = "CirculateNotify";
 522                 break;
 523         case CirculateRequest:
 524                 name = "CirculateRequest";
 525                 break;
 526         case PropertyNotify:
 527                 name = "PropertyNotify";
 528                 break;
 529         case SelectionClear:
 530                 name = "SelectionClear";
 531                 break;
 532         case SelectionRequest:
 533                 name = "SelectionRequest";
 534                 break;
 535         case SelectionNotify:
 536                 name = "SelectionNotify";
 537                 break;
 538         case ColormapNotify:
 539                 name = "ColormapNotify";
 540                 break;
 541         case ClientMessage:
 542                 name = "ClientMessage";
 543                 break;
 544         case MappingNotify:
 545                 name = "MappingNotify";
 546                 break;
 547         }
 548
 549         if (name)
 550                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 551                     "remaining\n",
 552                     e->xany.window, name, e->type, QLength(display));
 553         else
 554                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 555                     "remaining\n",
 556                     e->xany.window, e->type, QLength(display));
 557 }
 558
 559 void
 560 dumpwins(struct swm_region *r, union arg *args)
 561 {
 562         struct ws_win           *win;
 563         unsigned int            state;
 564         XWindowAttributes       wa;
 565
 566         if (r->ws == NULL) {
 567                 fprintf(stderr, "invalid workspace\n");
 568                 return;
 569         }
 570
 571         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 572
 573         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 574                 state = getstate(win->id);
 575                 if (!XGetWindowAttributes(display, win->id, &wa))
 576                         fprintf(stderr, "window: %lu failed "
 577                             "XGetWindowAttributes\n", win->id);
 578                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 579                     win->id, wa.map_state, state);
 580         }
 581
 582         fprintf(stderr, "===== unmanaged window list =====\n");
 583         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 584                 state = getstate(win->id);
 585                 if (!XGetWindowAttributes(display, win->id, &wa))
 586                         fprintf(stderr, "window: %lu failed "
 587                             "XGetWindowAttributes\n", win->id);
 588                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 589                     win->id, wa.map_state, state);
 590         }
 591
 592         fprintf(stderr, "=================================\n");
 593 }
 594 #else
 595 #define dumpevent(e)
 596 void
 597 dumpwins(struct swm_region *r, union arg *args)
 598 {
 599 }
 600 #endif /* SWM_DEBUG */
 601
 602 void                    expose(XEvent *);
 603 void                    keypress(XEvent *);
 604 void                    buttonpress(XEvent *);
 605 void                    configurerequest(XEvent *);
 606 void                    configurenotify(XEvent *);
 607 void                    destroynotify(XEvent *);
 608 void                    enternotify(XEvent *);
 609 void                    focusin(XEvent *);
 610 void                    focusout(XEvent *);
 611 void                    mapnotify(XEvent *);
 612 void                    mappingnotify(XEvent *);
 613 void                    maprequest(XEvent *);
 614 void                    propertynotify(XEvent *);
 615 void                    unmapnotify(XEvent *);
 616 void                    visibilitynotify(XEvent *);
 617
 618 void                    (*handler[LASTEvent])(XEvent *) = {
 619                                 [Expose] = expose,
 620                                 [KeyPress] = keypress,
 621                                 [ButtonPress] = buttonpress,
 622                                 [ConfigureRequest] = configurerequest,
 623                                 [ConfigureNotify] = configurenotify,
 624                                 [DestroyNotify] = destroynotify,
 625                                 [EnterNotify] = enternotify,
 626                                 [FocusIn] = focusin,
 627                                 [FocusOut] = focusout,
 628                                 [MapNotify] = mapnotify,
 629                                 [MappingNotify] = mappingnotify,
 630                                 [MapRequest] = maprequest,
 631                                 [PropertyNotify] = propertynotify,
 632                                 [UnmapNotify] = unmapnotify,
 633                                 [VisibilityNotify] = visibilitynotify,
 634 };
 635
 636 void
 637 sighdlr(int sig)
 638 {
 639         pid_t                   pid;
 640
 641         switch (sig) {
 642         case SIGCHLD:
 643                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 644                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 645                         if (pid <= 0)
 646                                 break;
 647                 }
 648                 break;
 649         case SIGINT:
 650         case SIGTERM:
 651         case SIGHUP:
 652         case SIGQUIT:
 653                 running = 0;
 654                 break;
 655         }
 656 }
 657
 658 void
 659 installsignal(int sig, char *name)
 660 {
 661         struct sigaction        sa;
 662
 663         sa.sa_handler = sighdlr;
 664         sigemptyset(&sa.sa_mask);
 665         sa.sa_flags = 0;
 666         if (sigaction(sig, &sa, NULL) == -1)
 667                 err(1, "could not install %s handler", name);
 668 }
 669
 670 unsigned long
 671 name_to_color(char *colorname)
 672 {
 673         Colormap                cmap;
 674         Status                  status;
 675         XColor                  screen_def, exact_def;
 676         unsigned long           result = 0;
 677         char                    cname[32] = "#";
 678
 679         cmap = DefaultColormap(display, screens[0].idx);
 680         status = XAllocNamedColor(display, cmap, colorname,
 681             &screen_def, &exact_def);
 682         if (!status) {
 683                 strlcat(cname, colorname + 2, sizeof cname - 1);
 684                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 685                     &exact_def);
 686         }
 687         if (status)
 688                 result = screen_def.pixel;
 689         else
 690                 fprintf(stderr, "color '%s' not found.\n", colorname);
 691
 692         return (result);
 693 }
 694
 695 void
 696 setscreencolor(char *val, int i, int c)
 697 {
 698         if (i > 0 && i <= ScreenCount(display)) {
 699                 screens[i - 1].c[c].color = name_to_color(val);
 700                 free(screens[i - 1].c[c].name);
 701                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 702                         errx(1, "strdup");
 703         } else if (i == -1) {
 704                 for (i = 0; i < ScreenCount(display); i++) {
 705                         screens[i].c[c].color = name_to_color(val);
 706                         free(screens[i].c[c].name);
 707                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 708                                 errx(1, "strdup");
 709                 }
 710         } else
 711                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 712                     i, ScreenCount(display));
 713 }
 714
 715 void
 716 custom_region(char *val)
 717 {
 718         unsigned int                    sidx, x, y, w, h;
 719
 720         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 721                 errx(1, "invalid custom region, "
 722                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 723         if (sidx < 1 || sidx > ScreenCount(display))
 724                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 725                     sidx, ScreenCount(display));
 726         sidx--;
 727
 728         if (w < 1 || h < 1)
 729                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 730
 731         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 732             y < 0 || y > DisplayHeight(display, sidx) ||
 733             w + x > DisplayWidth(display, sidx) ||
 734             h + y > DisplayHeight(display, sidx))
 735                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 736                     "(%ux%u)\n", w, h, x, y,
 737                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 738
 739         new_region(&screens[sidx], x, y, w, h);
 740 }
 741
 742 void
 743 socket_setnonblock(int fd)
 744 {
 745         int                     flags;
 746
 747         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 748                 err(1, "fcntl F_GETFL");
 749         flags |= O_NONBLOCK;
 750         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 751                 err(1, "fcntl F_SETFL");
 752 }
 753
 754 void
 755 bar_print(struct swm_region *r, char *s)
 756 {
 757         XClearWindow(display, r->bar_window);
 758         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 759         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 760             strlen(s));
 761 }
 762
 763 void
 764 bar_extra_stop(void)
 765 {
 766         if (bar_pipe[0]) {
 767                 close(bar_pipe[0]);
 768                 bzero(bar_pipe, sizeof bar_pipe);
 769         }
 770         if (bar_pid) {
 771                 kill(bar_pid, SIGTERM);
 772                 bar_pid = 0;
 773         }
 774         strlcpy(bar_ext, "", sizeof bar_ext);
 775         bar_extra = 0;
 776 }
 777
 778 void
 779 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 780 {
 781         int                     do_class, do_name;
 782         Status                  status;
 783         XClassHint              *xch = NULL;
 784
 785         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 786             cur_focus != NULL) {
 787                 if ((xch = XAllocClassHint()) == NULL)
 788                         goto out;
 789                 status = XGetClassHint(display, cur_focus->id, xch);
 790                 if (status == BadWindow || status == BadAlloc)
 791                         goto out;
 792                 do_class = (title_class_enabled && xch->res_class != NULL);
 793                 do_name = (title_name_enabled && xch->res_name != NULL);
 794                 if (do_class)
 795                         strlcat(s, xch->res_class, sz);
 796                 if (do_class && do_name)
 797                         strlcat(s, ":", sz);
 798                 if (do_name)
 799                         strlcat(s, xch->res_name, sz);
 800                 strlcat(s, "    ", sz);
 801         }
 802 out:
 803         if (xch)
 804                 XFree(xch);
 805 }
 806
 807 void
 808 bar_update(void)
 809 {
 810         time_t                  tmt;
 811         struct tm               tm;
 812         struct swm_region       *r;
 813         int                     i, x;
 814         size_t                  len;
 815         char                    s[SWM_BAR_MAX];
 816         char                    loc[SWM_BAR_MAX];
 817         char                    *b;
 818         char                    *stack = "";
 819
 820         if (bar_enabled == 0)
 821                 return;
 822         if (bar_extra && bar_extra_running) {
 823                 /* ignore short reads; it'll correct itself */
 824                 while ((b = fgetln(stdin, &len)) != NULL)
 825                         if (b && b[len - 1] == '\n') {
 826                                 b[len - 1] = '\0';
 827                                 strlcpy(bar_ext, b, sizeof bar_ext);
 828                         }
 829                 if (b == NULL && errno != EAGAIN) {
 830                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 831                             errno, strerror(errno));
 832                         bar_extra_stop();
 833                 }
 834         } else
 835                 strlcpy(bar_ext, "", sizeof bar_ext);
 836
 837         if (clock_enabled == 0)
 838                 strlcpy(s, "", sizeof s);
 839         else {
 840                 time(&tmt);
 841                 localtime_r(&tmt, &tm);
 842                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 843         }
 844
 845         for (i = 0; i < ScreenCount(display); i++) {
 846                 x = 1;
 847                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 848                         if (r && r->ws)
 849                                 bar_class_name(s, sizeof s, r->ws->focus);
 850
 851                         if (stack_enabled)
 852                                 stack = r->ws->cur_layout->name;
 853
 854                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 855                             x++, r->ws->idx + 1, stack, s, bar_ext,
 856                             bar_vertext);
 857                         bar_print(r, loc);
 858                 }
 859         }
 860         alarm(bar_delay);
 861 }
 862
 863 void
 864 bar_signal(int sig)
 865 {
 866         bar_alarm = 1;
 867 }
 868
 869 void
 870 bar_toggle(struct swm_region *r, union arg *args)
 871 {
 872         struct swm_region       *tmpr;
 873         int                     i, sc = ScreenCount(display);
 874
 875         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 876
 877         if (bar_enabled)
 878                 for (i = 0; i < sc; i++)
 879                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 880                                 XUnmapWindow(display, tmpr->bar_window);
 881         else
 882                 for (i = 0; i < sc; i++)
 883                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 884                                 XMapRaised(display, tmpr->bar_window);
 885
 886         bar_enabled = !bar_enabled;
 887
 888         stack();
 889         /* must be after stack */
 890         bar_update();
 891 }
 892
 893 void
 894 bar_refresh(void)
 895 {
 896         XSetWindowAttributes    wa;
 897         struct swm_region       *r;
 898         int                     i;
 899
 900         /* do this here because the conf file is in memory */
 901         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 902                 /* launch external status app */
 903                 bar_extra_running = 1;
 904                 if (pipe(bar_pipe) == -1)
 905                         err(1, "pipe error");
 906                 socket_setnonblock(bar_pipe[0]);
 907                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 908                 if (dup2(bar_pipe[0], 0) == -1)
 909                         errx(1, "dup2");
 910                 if (dup2(bar_pipe[1], 1) == -1)
 911                         errx(1, "dup2");
 912                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 913                         err(1, "could not disable SIGPIPE");
 914                 switch (bar_pid = fork()) {
 915                 case -1:
 916                         err(1, "cannot fork");
 917                         break;
 918                 case 0: /* child */
 919                         close(bar_pipe[0]);
 920                         execvp(bar_argv[0], bar_argv);
 921                         err(1, "%s external app failed", bar_argv[0]);
 922                         break;
 923                 default: /* parent */
 924                         close(bar_pipe[1]);
 925                         break;
 926                 }
 927         }
 928
 929         bzero(&wa, sizeof wa);
 930         for (i = 0; i < ScreenCount(display); i++)
 931                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 932                         wa.border_pixel =
 933                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 934                         wa.background_pixel =
 935                             screens[i].c[SWM_S_COLOR_BAR].color;
 936                         XChangeWindowAttributes(display, r->bar_window,
 937                             CWBackPixel | CWBorderPixel, &wa);
 938                 }
 939         bar_update();
 940 }
 941
 942 void
 943 bar_setup(struct swm_region *r)
 944 {
 945         int                     i;
 946
 947         for (i = 0; bar_fonts[i] != NULL; i++) {
 948                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 949                 if (bar_fs) {
 950                         bar_fidx = i;
 951                         break;
 952                 }
 953         }
 954         if (bar_fonts[i] == NULL)
 955                         errx(1, "couldn't load font");
 956         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 957
 958         r->bar_window = XCreateSimpleWindow(display,
 959             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 960             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 961             r->s->c[SWM_S_COLOR_BAR].color);
 962         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 963         XSetFont(display, bar_gc, bar_fs->fid);
 964         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 965         if (bar_enabled)
 966                 XMapRaised(display, r->bar_window);
 967         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 968
 969         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 970                 err(1, "could not install bar_signal");
 971         bar_refresh();
 972 }
 973
 974 void
 975 set_win_state(struct ws_win *win, long state)
 976 {
 977         long                    data[] = {state, None};
 978
 979         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 980
 981         if (win == NULL)
 982                 return;
 983
 984         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 985             (unsigned char *)data, 2);
 986 }
 987
 988 long
 989 getstate(Window w)
 990 {
 991         int                     format, status;
 992         long                    result = -1;
 993         unsigned char           *p = NULL;
 994         unsigned long           n, extra;
 995         Atom                    real;
 996
 997         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 998             &real, &format, &n, &extra, (unsigned char **)&p);
 999         if (status != Success)
1000                 return (-1);
1001         if (n != 0)
1002                 result = *((long *)p);
1003         XFree(p);
1004         return (result);
1005 }
1006
1007 void
1008 version(struct swm_region *r, union arg *args)
1009 {
1010         bar_version = !bar_version;
1011         if (bar_version)
1012                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1013                     SWM_VERSION, cvstag);
1014         else
1015                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1016         bar_update();
1017 }
1018
1019 void
1020 client_msg(struct ws_win *win, Atom a)
1021 {
1022         XClientMessageEvent     cm;
1023
1024         if (win == NULL)
1025                 return;
1026
1027         bzero(&cm, sizeof cm);
1028         cm.type = ClientMessage;
1029         cm.window = win->id;
1030         cm.message_type = aprot;
1031         cm.format = 32;
1032         cm.data.l[0] = a;
1033         cm.data.l[1] = CurrentTime;
1034         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1035 }
1036
1037 void
1038 configreq_win(struct ws_win *win)
1039 {
1040         XConfigureRequestEvent  cr;
1041
1042         if (win == NULL)
1043                 return;
1044
1045         bzero(&cr, sizeof cr);
1046         cr.type = ConfigureRequest;
1047         cr.display = display;
1048         cr.parent = win->id;
1049         cr.window = win->id;
1050         cr.x = win->g.x;
1051         cr.y = win->g.y;
1052         cr.width = win->g.w;
1053         cr.height = win->g.h;
1054         cr.border_width = 1;
1055
1056         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&cr);
1057 }
1058
1059 void
1060 config_win(struct ws_win *win)
1061 {
1062         XConfigureEvent         ce;
1063
1064         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1065             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1066
1067         if (win == NULL)
1068                 return;
1069
1070         ce.type = ConfigureNotify;
1071         ce.display = display;
1072         ce.event = win->id;
1073         ce.window = win->id;
1074         ce.x = win->g.x;
1075         ce.y = win->g.y;
1076         ce.width = win->g.w;
1077         ce.height = win->g.h;
1078         ce.border_width = 1; /* XXX store this! */
1079         ce.above = None;
1080         ce.override_redirect = False;
1081         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1082 }
1083
1084 int
1085 count_win(struct workspace *ws, int count_transient)
1086 {
1087         struct ws_win           *win;
1088         int                     count = 0;
1089
1090         TAILQ_FOREACH(win, &ws->winlist, entry) {
1091                 if (count_transient == 0 && win->floating)
1092                         continue;
1093                 if (count_transient == 0 && win->transient)
1094                         continue;
1095                 count++;
1096         }
1097         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1098
1099         return (count);
1100 }
1101
1102 void
1103 quit(struct swm_region *r, union arg *args)
1104 {
1105         DNPRINTF(SWM_D_MISC, "quit\n");
1106         running = 0;
1107 }
1108
1109 void
1110 unmap_window(struct ws_win *win)
1111 {
1112         if (win == NULL)
1113                 return;
1114
1115         /* don't unmap again */
1116         if (getstate(win->id) == IconicState)
1117                 return;
1118
1119         set_win_state(win, IconicState);
1120
1121         XUnmapWindow(display, win->id);
1122 }
1123
1124 void
1125 unmap_all(void)
1126 {
1127         struct ws_win           *win;
1128         int                     i, j;
1129
1130         for (i = 0; i < ScreenCount(display); i++)
1131                 for (j = 0; j < SWM_WS_MAX; j++)
1132                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1133                                 unmap_window(win);
1134 }
1135
1136 void
1137 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1138 {
1139         XKeyEvent event;
1140
1141         if (win == NULL)
1142                 return;
1143
1144         event.display = display;        /* Ignored, but what the hell */
1145         event.window = win->id;
1146         event.root = win->s->root;
1147         event.subwindow = None;
1148         event.time = CurrentTime;
1149         event.x = win->g.x;
1150         event.y = win->g.y;
1151         event.x_root = 1;
1152         event.y_root = 1;
1153         event.same_screen = True;
1154         event.keycode = XKeysymToKeycode(display, keysym);
1155         event.state = modifiers;
1156
1157         event.type = KeyPress;
1158         XSendEvent(event.display, event.window, True,
1159             KeyPressMask, (XEvent *)&event);
1160
1161         event.type = KeyRelease;
1162         XSendEvent(event.display, event.window, True,
1163             KeyPressMask, (XEvent *)&event);
1164
1165 }
1166
1167 void
1168 restart(struct swm_region *r, union arg *args)
1169 {
1170         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1171
1172         /* disable alarm because the following code may not be interrupted */
1173         alarm(0);
1174         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1175                 errx(1, "can't disable alarm");
1176
1177         bar_extra_stop();
1178         bar_extra = 1;
1179         unmap_all();
1180         XCloseDisplay(display);
1181         execvp(start_argv[0], start_argv);
1182         fprintf(stderr, "execvp failed\n");
1183         perror(" failed");
1184         quit(NULL, NULL);
1185 }
1186
1187 struct swm_region *
1188 root_to_region(Window root)
1189 {
1190         struct swm_region       *r = NULL;
1191         Window                  rr, cr;
1192         int                     i, x, y, wx, wy;
1193         unsigned int            mask;
1194
1195         for (i = 0; i < ScreenCount(display); i++)
1196                 if (screens[i].root == root)
1197                         break;
1198
1199         if (XQueryPointer(display, screens[i].root,
1200             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1201                 /* choose a region based on pointer location */
1202                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1203                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1204                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1205                                 break;
1206         }
1207
1208         if (r == NULL)
1209                 r = TAILQ_FIRST(&screens[i].rl);
1210
1211         return (r);
1212 }
1213
1214 struct ws_win *
1215 find_unmanaged_window(Window id)
1216 {
1217         struct ws_win           *win;
1218         int                     i, j;
1219
1220         for (i = 0; i < ScreenCount(display); i++)
1221                 for (j = 0; j < SWM_WS_MAX; j++)
1222                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1223                             entry)
1224                                 if (id == win->id)
1225                                         return (win);
1226         return (NULL);
1227 }
1228
1229 struct ws_win *
1230 find_window(Window id)
1231 {
1232         struct ws_win           *win;
1233         int                     i, j;
1234
1235         for (i = 0; i < ScreenCount(display); i++)
1236                 for (j = 0; j < SWM_WS_MAX; j++)
1237                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1238                                 if (id == win->id)
1239                                         return (win);
1240         return (NULL);
1241 }
1242
1243 void
1244 spawn(struct swm_region *r, union arg *args)
1245 {
1246         char                    *ret;
1247         int                     si;
1248
1249         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1250         /*
1251          * The double-fork construct avoids zombie processes and keeps the code
1252          * clean from stupid signal handlers.
1253          */
1254         if (fork() == 0) {
1255                 if (fork() == 0) {
1256                         if (display)
1257                                 close(ConnectionNumber(display));
1258                         setenv("LD_PRELOAD", SWM_LIB, 1);
1259                         if (asprintf(&ret, "%d", r->ws->idx)) {
1260                                 setenv("_SWM_WS", ret, 1);
1261                                 free(ret);
1262                         }
1263                         if (asprintf(&ret, "%d", getpid())) {
1264                                 setenv("_SWM_PID", ret, 1);
1265                                 free(ret);
1266                         }
1267                         setsid();
1268                         /* kill stdin, mplayer, ssh-add etc. need that */
1269                         si = open("/dev/null", O_RDONLY, 0);
1270                         if (si == -1)
1271                                 err(1, "open /dev/null");
1272                         if (dup2(si, 0) == -1)
1273                                 err(1, "dup2 /dev/null");
1274                         execvp(args->argv[0], args->argv);
1275                         fprintf(stderr, "execvp failed\n");
1276                         perror(" failed");
1277                 }
1278                 exit(0);
1279         }
1280 }
1281
1282 void
1283 spawnterm(struct swm_region *r, union arg *args)
1284 {
1285         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1286
1287         if (term_width)
1288                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1289         spawn(r, args);
1290 }
1291
1292 void
1293 kill_refs(struct ws_win *win)
1294 {
1295         int                     i, x;
1296         struct swm_region       *r;
1297         struct workspace        *ws;
1298
1299         if (win == NULL)
1300                 return;
1301
1302         for (i = 0; i < ScreenCount(display); i++)
1303                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1304                         for (x = 0; x < SWM_WS_MAX; x++) {
1305                                 ws = &r->s->ws[x];
1306                                 if (win == ws->focus)
1307                                         ws->focus = NULL;
1308                                 if (win == ws->focus_prev)
1309                                         ws->focus_prev = NULL;
1310                         }
1311 }
1312
1313 int
1314 validate_win(struct ws_win *testwin)
1315 {
1316         struct ws_win           *win;
1317         struct workspace        *ws;
1318         struct swm_region       *r;
1319         int                     i, x, foundit = 0;
1320
1321         if (testwin == NULL)
1322                 return(0);
1323
1324         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1325                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1326                         for (x = 0; x < SWM_WS_MAX; x++) {
1327                                 ws = &r->s->ws[x];
1328                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1329                                         if (win == testwin)
1330                                                 return (0);
1331                         }
1332         return (1);
1333 }
1334
1335 int
1336 validate_ws(struct workspace *testws)
1337 {
1338         struct swm_region       *r;
1339         struct workspace        *ws;
1340         int                     foundit, i, x;
1341
1342         /* validate all ws */
1343         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1344                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1345                         for (x = 0; x < SWM_WS_MAX; x++) {
1346                                 ws = &r->s->ws[x];
1347                                 if (ws == testws)
1348                                         return (0);
1349                         }
1350         return (1);
1351 }
1352
1353 void
1354 unfocus_win(struct ws_win *win)
1355 {
1356         if (win == NULL)
1357                 return;
1358         if (win->ws == NULL)
1359                 return;
1360
1361         if (validate_ws(win->ws))
1362                 abort();
1363
1364         if (win->ws->r == NULL)
1365                 return;
1366
1367         if (validate_win(win)) {
1368                 kill_refs(win);
1369                 return;
1370         }
1371
1372         if (win->ws->focus == win) {
1373                 win->ws->focus = NULL;
1374                 win->ws->focus_prev = win;
1375         }
1376
1377         if (validate_win(win->ws->focus)) {
1378                 kill_refs(win->ws->focus);
1379                 win->ws->focus = NULL;
1380         }
1381         if (validate_win(win->ws->focus_prev)) {
1382                 kill_refs(win->ws->focus_prev);
1383                 win->ws->focus_prev = NULL;
1384         }
1385
1386         grabbuttons(win, 0);
1387         XSetWindowBorder(display, win->id,
1388             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1389 }
1390
1391 void
1392 unfocus_all_except(struct ws_win *except)
1393 {
1394         struct ws_win           *win;
1395         int                     i, j;
1396
1397         DNPRINTF(SWM_D_FOCUS, "unfocus_all_except(%d):\n", except->id);
1398
1399         for (i = 0; i < ScreenCount(display); i++)
1400                 for (j = 0; j < SWM_WS_MAX; j++)
1401                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1402                                 if (win != except)
1403                                         unfocus_win(win);
1404 }
1405
1406 void
1407 focus_win(struct ws_win *win)
1408 {
1409         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1410
1411         if (win == NULL)
1412                 return;
1413         if (win->ws == NULL)
1414                 return;
1415
1416         if (validate_ws(win->ws))
1417                 abort();
1418         if (validate_win(win)) {
1419                 kill_refs(win);
1420                 return;
1421         }
1422
1423         /* use big hammer to make sure it works under all use cases */
1424         unfocus_all_except(win);
1425
1426         if (validate_win(win)) {
1427                 kill_refs(win);
1428                 return;
1429         }
1430
1431         win->ws->focus = win;
1432
1433         if (win->ws->r != NULL) {
1434                 grabbuttons(win, 1);
1435                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1436                         XMapRaised(display, win->id);
1437                 XSetWindowBorder(display, win->id,
1438                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1439                 if (win->java == 0)
1440                         XSetInputFocus(display, win->id,
1441                             RevertToPointerRoot, CurrentTime);
1442         }
1443 }
1444
1445 void
1446 switchws(struct swm_region *r, union arg *args)
1447 {
1448         int                     wsid = args->id;
1449         struct swm_region       *this_r, *other_r;
1450         struct ws_win           *win;
1451         struct workspace        *new_ws, *old_ws;
1452         union arg               a;
1453
1454         if (!(r && r->s))
1455                 return;
1456
1457         this_r = r;
1458         old_ws = this_r->ws;
1459         new_ws = &this_r->s->ws[wsid];
1460
1461         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1462             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1463             old_ws->idx, wsid);
1464
1465         if (new_ws == NULL || old_ws == NULL)
1466                 return;
1467         if (new_ws == old_ws)
1468                 return;
1469
1470         other_r = new_ws->r;
1471         if (other_r == NULL) {
1472                 /* if the other workspace is hidden, switch windows */
1473                 if (old_ws->r != NULL)
1474                         old_ws->old_r = old_ws->r;
1475                 old_ws->r = NULL;
1476
1477                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1478                         unmap_window(win);
1479         } else {
1480                 other_r->ws = old_ws;
1481                 old_ws->r = other_r;
1482         }
1483         this_r->ws = new_ws;
1484         new_ws->r = this_r;
1485
1486         stack();
1487         a.id = SWM_ARG_ID_FOCUSCUR;
1488         focus(new_ws->r, &a);
1489         bar_update();
1490 }
1491
1492 void
1493 cyclews(struct swm_region *r, union arg *args)
1494 {
1495         union                   arg a;
1496         struct swm_screen       *s = r->s;
1497
1498         DNPRINTF(SWM_D_WS, "cyclews id %d "
1499             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1500             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1501
1502         a.id = r->ws->idx;
1503         do {
1504                 switch (args->id) {
1505                 case SWM_ARG_ID_CYCLEWS_UP:
1506                         if (a.id < SWM_WS_MAX - 1)
1507                                 a.id++;
1508                         else
1509                                 a.id = 0;
1510                         break;
1511                 case SWM_ARG_ID_CYCLEWS_DOWN:
1512                         if (a.id > 0)
1513                                 a.id--;
1514                         else
1515                                 a.id = SWM_WS_MAX - 1;
1516                         break;
1517                 default:
1518                         return;
1519                 };
1520
1521                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1522                         continue;
1523                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1524                         continue;
1525
1526                 switchws(r, &a);
1527         } while (a.id != r->ws->idx);
1528 }
1529
1530 void
1531 cyclescr(struct swm_region *r, union arg *args)
1532 {
1533         struct swm_region       *rr = NULL;
1534         union arg               a;
1535         int                     i, x, y;
1536
1537         /* do nothing if we don't have more than one screen */
1538         if (!(ScreenCount(display) > 1 || outputs > 1))
1539                 return;
1540
1541         i = r->s->idx;
1542         switch (args->id) {
1543         case SWM_ARG_ID_CYCLESC_UP:
1544                 rr = TAILQ_NEXT(r, entry);
1545                 if (rr == NULL)
1546                         rr = TAILQ_FIRST(&screens[i].rl);
1547                 break;
1548         case SWM_ARG_ID_CYCLESC_DOWN:
1549                 rr = TAILQ_PREV(r, swm_region_list, entry);
1550                 if (rr == NULL)
1551                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1552                 break;
1553         default:
1554                 return;
1555         };
1556         if (rr == NULL)
1557                 return;
1558
1559         /* move mouse to region */
1560         x = rr->g.x + 1;
1561         y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1562         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1563
1564         a.id = SWM_ARG_ID_FOCUSCUR;
1565         focus(rr, &a);
1566
1567         if (rr->ws->focus) {
1568                 /* move to focus window */
1569                 x = rr->ws->focus->g.x + 1;
1570                 y = rr->ws->focus->g.y + 1;
1571                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1572         }
1573 }
1574
1575 void
1576 swapwin(struct swm_region *r, union arg *args)
1577 {
1578         struct ws_win           *target, *source;
1579         struct ws_win           *cur_focus;
1580         struct ws_win_list      *wl;
1581
1582
1583         DNPRINTF(SWM_D_WS, "swapwin id %d "
1584             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1585             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1586
1587         cur_focus = r->ws->focus;
1588         if (cur_focus == NULL)
1589                 return;
1590
1591         source = cur_focus;
1592         wl = &source->ws->winlist;
1593
1594         switch (args->id) {
1595         case SWM_ARG_ID_SWAPPREV:
1596                 target = TAILQ_PREV(source, ws_win_list, entry);
1597                 TAILQ_REMOVE(wl, cur_focus, entry);
1598                 if (target == NULL)
1599                         TAILQ_INSERT_TAIL(wl, source, entry);
1600                 else
1601                         TAILQ_INSERT_BEFORE(target, source, entry);
1602                 break;
1603         case SWM_ARG_ID_SWAPNEXT:
1604                 target = TAILQ_NEXT(source, entry);
1605                 TAILQ_REMOVE(wl, source, entry);
1606                 if (target == NULL)
1607                         TAILQ_INSERT_HEAD(wl, source, entry);
1608                 else
1609                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1610                 break;
1611         case SWM_ARG_ID_SWAPMAIN:
1612                 target = TAILQ_FIRST(wl);
1613                 if (target == source) {
1614                         if (source->ws->focus_prev != NULL &&
1615                             source->ws->focus_prev != target)
1616
1617                                 source = source->ws->focus_prev;
1618                         else
1619                                 return;
1620                 }
1621                 if (target == NULL || source == NULL)
1622                         return;
1623                 source->ws->focus_prev = target;
1624                 TAILQ_REMOVE(wl, target, entry);
1625                 TAILQ_INSERT_BEFORE(source, target, entry);
1626                 TAILQ_REMOVE(wl, source, entry);
1627                 TAILQ_INSERT_HEAD(wl, source, entry);
1628                 break;
1629         default:
1630                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1631                 return;
1632         }
1633
1634         stack();
1635 }
1636
1637 void
1638 focus_prev(struct ws_win *win)
1639 {
1640         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1641         struct ws_win           *cur_focus = NULL;
1642         struct ws_win_list      *wl = NULL;
1643         struct workspace        *ws = NULL;
1644
1645         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
1646
1647         if (!(win && win->ws))
1648                 return;
1649
1650         ws = win->ws;
1651         wl = &ws->winlist;
1652         cur_focus = ws->focus;
1653         winlostfocus = cur_focus;
1654
1655         /* pickle, just focus on whatever */
1656         if (cur_focus == NULL) {
1657                 /* use prev_focus if valid */
1658                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
1659                     find_window(WINID(ws->focus_prev)))
1660                         winfocus = ws->focus_prev;
1661                 if (winfocus == NULL)
1662                         winfocus = TAILQ_FIRST(wl);
1663                 goto done;
1664         }
1665
1666         /* if transient focus on parent */
1667         if (cur_focus->transient) {
1668                 winfocus = find_window(cur_focus->transient);
1669                 goto done;
1670         }
1671
1672         /* if in max_stack try harder */
1673         /* XXX needs more love */
1674         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
1675                 if (cur_focus != ws->focus_prev)
1676                         winfocus = ws->focus_prev;
1677                 else if (cur_focus != ws->focus)
1678                         winfocus = ws->focus;
1679                 goto done;
1680         }
1681
1682         if (cur_focus == win)
1683                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
1684         if (winfocus == NULL)
1685                 winfocus = TAILQ_FIRST(wl);
1686         if (winfocus == NULL || winfocus == win)
1687                 winfocus = TAILQ_NEXT(cur_focus, entry);
1688 done:
1689         if (winfocus == winlostfocus || winfocus == NULL)
1690                 return;
1691         focus_magic(winfocus, SWM_F_GENERIC);
1692 }
1693
1694 void
1695 focus(struct swm_region *r, union arg *args)
1696 {
1697         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1698         struct ws_win           *cur_focus = NULL;
1699         struct ws_win_list      *wl = NULL;
1700         struct workspace        *ws = NULL;
1701
1702         if (!(r && r->ws))
1703                 return;
1704
1705         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1706
1707         /* treat FOCUS_CUR special */
1708         if (args->id == SWM_ARG_ID_FOCUSCUR) {
1709                 if (r->ws->focus)
1710                         winfocus = r->ws->focus;
1711                 else if (r->ws->focus_prev)
1712                         winfocus = r->ws->focus_prev;
1713                 else
1714                         winfocus = TAILQ_FIRST(&r->ws->winlist);
1715
1716                 focus_magic(winfocus, SWM_F_GENERIC);
1717                 return;
1718         }
1719
1720         if ((cur_focus = r->ws->focus) == NULL)
1721                 return;
1722         ws = r->ws;
1723         wl = &ws->winlist;
1724
1725         winlostfocus = cur_focus;
1726
1727         switch (args->id) {
1728         case SWM_ARG_ID_FOCUSPREV:
1729                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1730                 if (winfocus == NULL)
1731                         winfocus = TAILQ_LAST(wl, ws_win_list);
1732                 break;
1733
1734         case SWM_ARG_ID_FOCUSNEXT:
1735                 winfocus = TAILQ_NEXT(cur_focus, entry);
1736                 if (winfocus == NULL)
1737                         winfocus = TAILQ_FIRST(wl);
1738                 break;
1739
1740         case SWM_ARG_ID_FOCUSMAIN:
1741                 winfocus = TAILQ_FIRST(wl);
1742                 if (winfocus == cur_focus)
1743                         winfocus = cur_focus->ws->focus_prev;
1744                 break;
1745
1746         default:
1747                 return;
1748         }
1749
1750         if (winfocus == winlostfocus || winfocus == NULL)
1751                 return;
1752
1753         focus_magic(winfocus, SWM_F_GENERIC);
1754 }
1755
1756 void
1757 cycle_layout(struct swm_region *r, union arg *args)
1758 {
1759         struct workspace        *ws = r->ws;
1760         struct ws_win           *winfocus;
1761         union arg               a;
1762
1763         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1764
1765         winfocus = ws->focus;
1766
1767         ws->cur_layout++;
1768         if (ws->cur_layout->l_stack == NULL)
1769                 ws->cur_layout = &layouts[0];
1770
1771         stack();
1772         a.id = SWM_ARG_ID_FOCUSCUR;
1773         focus(r, &a);
1774         bar_update();
1775 }
1776
1777 void
1778 stack_config(struct swm_region *r, union arg *args)
1779 {
1780         struct workspace        *ws = r->ws;
1781
1782         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1783             args->id, ws->idx);
1784
1785         if (ws->cur_layout->l_config != NULL)
1786                 ws->cur_layout->l_config(ws, args->id);
1787
1788         if (args->id != SWM_ARG_ID_STACKINIT);
1789                 stack();
1790 }
1791
1792 void
1793 stack(void) {
1794         struct swm_geometry     g;
1795         struct swm_region       *r;
1796         int                     i, j;
1797
1798         DNPRINTF(SWM_D_STACK, "stack\n");
1799
1800         for (i = 0; i < ScreenCount(display); i++) {
1801                 j = 0;
1802                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1803                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1804                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1805
1806                         /* start with screen geometry, adjust for bar */
1807                         g = r->g;
1808                         g.w -= 2;
1809                         g.h -= 2;
1810                         if (bar_enabled) {
1811                                 g.y += bar_height;
1812                                 g.h -= bar_height;
1813                         }
1814                         r->ws->cur_layout->l_stack(r->ws, &g);
1815                 }
1816         }
1817         if (font_adjusted)
1818                 font_adjusted--;
1819 }
1820
1821 void
1822 stack_floater(struct ws_win *win, struct swm_region *r)
1823 {
1824         unsigned int            mask;
1825         XWindowChanges          wc;
1826
1827         if (win == NULL)
1828                 return;
1829
1830         bzero(&wc, sizeof wc);
1831         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1832         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
1833             (win->g.h >= HEIGHT(r)))
1834                 wc.border_width = 0;
1835         else
1836                 wc.border_width = 1;
1837         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1838                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1839                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1840         }
1841         wc.width = win->g.w;
1842         wc.height = win->g.h;
1843         if (win->manual) {
1844                 wc.x = win->g.x;
1845                 wc.y = win->g.y;
1846         } else {
1847                 wc.x = (WIDTH(r) - win->g.w) / 2;
1848                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1849         }
1850
1851         /* adjust for region */
1852         if (wc.x < r->g.x)
1853                 wc.x += r->g.x;
1854         if (wc.y < r->g.y)
1855                 wc.y += r->g.y;
1856
1857         win->g.x = wc.x;
1858         win->g.y = wc.y;
1859         win->g.w = wc.width;
1860         win->g.h = wc.height;
1861
1862         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
1863             win->id, wc.x, wc.y, wc.width, wc.height);
1864
1865         XConfigureWindow(display, win->id, mask, &wc);
1866         configreq_win(win);
1867 }
1868
1869 /*
1870  * Send keystrokes to terminal to decrease/increase the font size as the
1871  * window size changes.
1872  */
1873 void
1874 adjust_font(struct ws_win *win)
1875 {
1876         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1877             win->floating || win->transient)
1878                 return;
1879
1880         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1881             win->g.w / win->sh.width_inc < term_width &&
1882             win->font_steps < SWM_MAX_FONT_STEPS) {
1883                 win->font_size_boundary[win->font_steps] =
1884                     (win->sh.width_inc * term_width) + win->sh.base_width;
1885                 win->font_steps++;
1886                 font_adjusted++;
1887                 win->last_inc = win->sh.width_inc;
1888                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1889         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1890             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1891                 win->font_steps--;
1892                 font_adjusted++;
1893                 win->last_inc = win->sh.width_inc;
1894                 fake_keypress(win, XK_KP_Add, ShiftMask);
1895         }
1896 }
1897
1898 #define SWAPXY(g)       do {                            \
1899         int tmp;                                        \
1900         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1901         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1902 } while (0)
1903 void
1904 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1905 {
1906         XWindowChanges          wc;
1907         struct swm_geometry     win_g, r_g = *g;
1908         struct ws_win           *win;
1909         int                     i, j, s, stacks;
1910         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1911         int                     hrh, extra = 0, h_slice, last_h = 0;
1912         int                     split, colno, winno, mwin, msize, mscale;
1913         int                     remain, missing, v_slice, reconfigure;
1914         unsigned int            mask;
1915
1916         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1917             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1918
1919         winno = count_win(ws, 0);
1920         if (winno == 0 && count_win(ws, 1) == 0)
1921                 return;
1922
1923         TAILQ_FOREACH(win, &ws->winlist, entry)
1924                 if (win->transient == 0 && win->floating == 0)
1925                         break;
1926
1927         if (win == NULL)
1928                 goto notiles;
1929
1930         if (rot) {
1931                 w_inc = win->sh.width_inc;
1932                 w_base = win->sh.base_width;
1933                 mwin = ws->l_state.horizontal_mwin;
1934                 mscale = ws->l_state.horizontal_msize;
1935                 stacks = ws->l_state.horizontal_stacks;
1936                 SWAPXY(&r_g);
1937         } else {
1938                 w_inc = win->sh.height_inc;
1939                 w_base = win->sh.base_height;
1940                 mwin = ws->l_state.vertical_mwin;
1941                 mscale = ws->l_state.vertical_msize;
1942                 stacks = ws->l_state.vertical_stacks;
1943         }
1944         win_g = r_g;
1945
1946         if (stacks > winno - mwin)
1947                 stacks = winno - mwin;
1948         if (stacks < 1)
1949                 stacks = 1;
1950
1951         h_slice = r_g.h / SWM_H_SLICE;
1952         if (mwin && winno > mwin) {
1953                 v_slice = r_g.w / SWM_V_SLICE;
1954
1955                 split = mwin;
1956                 colno = split;
1957                 win_g.w = v_slice * mscale;
1958
1959                 if (w_inc > 1 && w_inc < v_slice) {
1960                         /* adjust for window's requested size increment */
1961                         remain = (win_g.w - w_base) % w_inc;
1962                         missing = w_inc - remain;
1963                         win_g.w -= remain;
1964                         extra += remain;
1965                 }
1966
1967                 msize = win_g.w;
1968                 if (flip)
1969                         win_g.x += r_g.w - msize;
1970         } else {
1971                 msize = -2;
1972                 colno = split = winno / stacks;
1973                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1974         }
1975         hrh = r_g.h / colno;
1976         extra = r_g.h - (colno * hrh);
1977         win_g.h = hrh - 2;
1978
1979         /*  stack all the tiled windows */
1980         i = j = 0, s = stacks;
1981         TAILQ_FOREACH(win, &ws->winlist, entry) {
1982                 if (win->transient != 0 || win->floating != 0)
1983                         continue;
1984
1985                 if (split && i == split) {
1986                         colno = (winno - mwin) / stacks;
1987                         if (s <= (winno - mwin) % stacks)
1988                                 colno++;
1989                         split = split + colno;
1990                         hrh = (r_g.h / colno);
1991                         extra = r_g.h - (colno * hrh);
1992                         if (flip)
1993                                 win_g.x = r_g.x;
1994                         else
1995                                 win_g.x += win_g.w + 2;
1996                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1997                         if (s == 1)
1998                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1999                                     stacks;
2000                         s--;
2001                         j = 0;
2002                 }
2003                 win_g.h = hrh - 2;
2004                 if (rot) {
2005                         h_inc = win->sh.width_inc;
2006                         h_base = win->sh.base_width;
2007                 } else {
2008                         h_inc = win->sh.height_inc;
2009                         h_base = win->sh.base_height;
2010                 }
2011                 if (j == colno - 1) {
2012                         win_g.h = hrh + extra;
2013                 } else if (h_inc > 1 && h_inc < h_slice) {
2014                         /* adjust for window's requested size increment */
2015                         remain = (win_g.h - h_base) % h_inc;
2016                         missing = h_inc - remain;
2017
2018                         if (missing <= extra || j == 0) {
2019                                 extra -= missing;
2020                                 win_g.h += missing;
2021                         } else {
2022                                 win_g.h -= remain;
2023                                 extra += remain;
2024                         }
2025                 }
2026
2027                 if (j == 0)
2028                         win_g.y = r_g.y;
2029                 else
2030                         win_g.y += last_h + 2;
2031
2032                 bzero(&wc, sizeof wc);
2033                 wc.border_width = 1;
2034                 reconfigure = 0;
2035                 if (rot) {
2036                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2037                             win->g.w != win_g.h || win->g.h != win_g.w) {
2038                                 reconfigure = 1;
2039                                 win->g.x = wc.x = win_g.y;
2040                                 win->g.y = wc.y = win_g.x;
2041                                 win->g.w = wc.width = win_g.h;
2042                                 win->g.h = wc.height = win_g.w;
2043                         }
2044                 } else {
2045                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2046                             win->g.w != win_g.w || win->g.h != win_g.h) {
2047                                 reconfigure = 1;
2048                                 win->g.x = wc.x = win_g.x;
2049                                 win->g.y = wc.y = win_g.y;
2050                                 win->g.w = wc.width = win_g.w;
2051                                 win->g.h = wc.height = win_g.h;
2052                         }
2053                 }
2054                 if (reconfigure) {
2055                         adjust_font(win);
2056                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2057                         XConfigureWindow(display, win->id, mask, &wc);
2058                         configreq_win(win);
2059                 }
2060                 XMapRaised(display, win->id);
2061
2062                 last_h = win_g.h;
2063                 i++;
2064                 j++;
2065         }
2066
2067  notiles:
2068         /* now, stack all the floaters and transients */
2069         TAILQ_FOREACH(win, &ws->winlist, entry) {
2070                 if (win->transient == 0 && win->floating == 0)
2071                         continue;
2072
2073                 stack_floater(win, ws->r);
2074                 XMapRaised(display, win->id);
2075         }
2076 }
2077
2078 void
2079 vertical_config(struct workspace *ws, int id)
2080 {
2081         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2082
2083         switch (id) {
2084         case SWM_ARG_ID_STACKRESET:
2085         case SWM_ARG_ID_STACKINIT:
2086                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2087                 ws->l_state.vertical_mwin = 1;
2088                 ws->l_state.vertical_stacks = 1;
2089                 break;
2090         case SWM_ARG_ID_MASTERSHRINK:
2091                 if (ws->l_state.vertical_msize > 1)
2092                         ws->l_state.vertical_msize--;
2093                 break;
2094         case SWM_ARG_ID_MASTERGROW:
2095                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2096                         ws->l_state.vertical_msize++;
2097                 break;
2098         case SWM_ARG_ID_MASTERADD:
2099                 ws->l_state.vertical_mwin++;
2100                 break;
2101         case SWM_ARG_ID_MASTERDEL:
2102                 if (ws->l_state.vertical_mwin > 0)
2103                         ws->l_state.vertical_mwin--;
2104                 break;
2105         case SWM_ARG_ID_STACKINC:
2106                 ws->l_state.vertical_stacks++;
2107                 break;
2108         case SWM_ARG_ID_STACKDEC:
2109                 if (ws->l_state.vertical_stacks > 1)
2110                         ws->l_state.vertical_stacks--;
2111                 break;
2112         default:
2113                 return;
2114         }
2115 }
2116
2117 void
2118 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2119 {
2120         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2121
2122         stack_master(ws, g, 0, 0);
2123 }
2124
2125 void
2126 horizontal_config(struct workspace *ws, int id)
2127 {
2128         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2129
2130         switch (id) {
2131         case SWM_ARG_ID_STACKRESET:
2132         case SWM_ARG_ID_STACKINIT:
2133                 ws->l_state.horizontal_mwin = 1;
2134                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2135                 ws->l_state.horizontal_stacks = 1;
2136                 break;
2137         case SWM_ARG_ID_MASTERSHRINK:
2138                 if (ws->l_state.horizontal_msize > 1)
2139                         ws->l_state.horizontal_msize--;
2140                 break;
2141         case SWM_ARG_ID_MASTERGROW:
2142                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2143                         ws->l_state.horizontal_msize++;
2144                 break;
2145         case SWM_ARG_ID_MASTERADD:
2146                 ws->l_state.horizontal_mwin++;
2147                 break;
2148         case SWM_ARG_ID_MASTERDEL:
2149                 if (ws->l_state.horizontal_mwin > 0)
2150                         ws->l_state.horizontal_mwin--;
2151                 break;
2152         case SWM_ARG_ID_STACKINC:
2153                 ws->l_state.horizontal_stacks++;
2154                 break;
2155         case SWM_ARG_ID_STACKDEC:
2156                 if (ws->l_state.horizontal_stacks > 1)
2157                         ws->l_state.horizontal_stacks--;
2158                 break;
2159         default:
2160                 return;
2161         }
2162 }
2163
2164 void
2165 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2166 {
2167         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2168
2169         stack_master(ws, g, 1, 0);
2170 }
2171
2172 /* fullscreen view */
2173 void
2174 max_stack(struct workspace *ws, struct swm_geometry *g)
2175 {
2176         XWindowChanges          wc;
2177         struct swm_geometry     gg = *g;
2178         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2179         unsigned int            mask;
2180         int                     winno;
2181
2182         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2183
2184         if (ws == NULL)
2185                 return;
2186
2187         winno = count_win(ws, 0);
2188         if (winno == 0 && count_win(ws, 1) == 0)
2189                 return;
2190
2191         TAILQ_FOREACH(win, &ws->winlist, entry) {
2192                 if (win->transient) {
2193                         wintrans = win;
2194                         parent = find_window(win->transient);
2195                         continue;
2196                 }
2197
2198                 /* only reconfigure if necessary */
2199                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2200                     win->g.h != gg.h) {
2201                         bzero(&wc, sizeof wc);
2202                         wc.border_width = 1;
2203                         win->g.x = wc.x = gg.x;
2204                         win->g.y = wc.y = gg.y;
2205                         win->g.w = wc.width = gg.w;
2206                         win->g.h = wc.height = gg.h;
2207                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2208                         XConfigureWindow(display, win->id, mask, &wc);
2209                         configreq_win(win);
2210                 }
2211                 /* unmap only if we don't have multi screen */
2212                 if (win != ws->focus)
2213                         if (!(ScreenCount(display) > 1 || outputs > 1))
2214                                 unmap_window(win);
2215         }
2216
2217         /* put the last transient on top */
2218         if (wintrans) {
2219                 if (parent)
2220                         XMapRaised(display, parent->id);
2221                 stack_floater(wintrans, ws->r);
2222                 focus_magic(wintrans, SWM_F_TRANSIENT);
2223         }
2224 }
2225
2226 void
2227 send_to_ws(struct swm_region *r, union arg *args)
2228 {
2229         int                     wsid = args->id;
2230         struct ws_win           *win = win;
2231         struct workspace        *ws, *nws;
2232         Atom                    ws_idx_atom = 0;
2233         unsigned char           ws_idx_str[SWM_PROPLEN];
2234         union arg               a;
2235
2236         if (r && r->ws)
2237                 win = r->ws->focus;
2238         else
2239                 return;
2240         if (win == NULL)
2241                 return;
2242         if (win->ws->idx == wsid)
2243                 return;
2244
2245         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2246
2247         ws = win->ws;
2248         nws = &win->s->ws[wsid];
2249
2250         a.id = SWM_ARG_ID_FOCUSPREV;
2251         focus(r, &a);
2252         unmap_window(win);
2253         TAILQ_REMOVE(&ws->winlist, win, entry);
2254         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2255         win->ws = nws;
2256
2257         /* Try to update the window's workspace property */
2258         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2259         if (ws_idx_atom &&
2260             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2261                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2262                     ws_idx_str);
2263                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2264                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2265         }
2266         stack();
2267 }
2268
2269 void
2270 wkill(struct swm_region *r, union arg *args)
2271 {
2272         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2273
2274         if(r->ws->focus == NULL)
2275                 return;
2276
2277         if (args->id == SWM_ARG_ID_KILLWINDOW)
2278                 XKillClient(display, r->ws->focus->id);
2279         else
2280                 if (r->ws->focus->can_delete)
2281                         client_msg(r->ws->focus, adelete);
2282 }
2283
2284 void
2285 floating_toggle(struct swm_region *r, union arg *args)
2286 {
2287         struct ws_win   *win = r->ws->focus;
2288         union arg       a;
2289
2290         if (win == NULL)
2291                 return;
2292
2293         win->floating = !win->floating;
2294         win->manual = 0;
2295         stack();
2296         a.id = SWM_ARG_ID_FOCUSCUR;
2297         focus(win->ws->r, &a);
2298 }
2299
2300 void
2301 resize_window(struct ws_win *win, int center)
2302 {
2303         unsigned int            mask;
2304         XWindowChanges          wc;
2305         struct swm_region       *r;
2306
2307         r = root_to_region(win->wa.root);
2308         bzero(&wc, sizeof wc);
2309         mask = CWBorderWidth | CWWidth | CWHeight;
2310         wc.border_width = 1;
2311         wc.width = win->g.w;
2312         wc.height = win->g.h;
2313         if (center == SWM_ARG_ID_CENTER) {
2314                 wc.x = (WIDTH(r) - win->g.w) / 2;
2315                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2316                 mask |= CWX | CWY;
2317         }
2318
2319         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2320             win->id, wc.x, wc.y, wc.width, wc.height);
2321
2322         XConfigureWindow(display, win->id, mask, &wc);
2323         configreq_win(win);
2324 }
2325
2326 void
2327 resize(struct ws_win *win, union arg *args)
2328 {
2329         XEvent                  ev;
2330         Time                    time = 0;
2331         struct swm_region       *r = win->ws->r;
2332
2333         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
2334             win->id, win->floating, win->transient);
2335
2336         if (!(win->transient != 0 || win->floating != 0))
2337                 return;
2338
2339         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2340             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2341                 return;
2342         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2343         do {
2344                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2345                     SubstructureRedirectMask, &ev);
2346                 switch(ev.type) {
2347                 case ConfigureRequest:
2348                 case Expose:
2349                 case MapRequest:
2350                         handler[ev.type](&ev);
2351                         break;
2352                 case MotionNotify:
2353                         /* do not allow resize outside of region */
2354                         if (ev.xmotion.y_root < r->g.y ||
2355                             ev.xmotion.y_root >= r->g.y + r->g.h - 1)
2356                                 continue;
2357                         if (ev.xmotion.x_root < r->g.x ||
2358                             ev.xmotion.x_root >= r->g.x + r->g.w - 1)
2359                                 continue;
2360
2361                         if (ev.xmotion.x <= 1)
2362                                 ev.xmotion.x = 1;
2363                         if (ev.xmotion.y <= 1)
2364                                 ev.xmotion.y = 1;
2365                         win->g.w = ev.xmotion.x;
2366                         win->g.h = ev.xmotion.y;
2367
2368                         /* not free, don't sync more than 60 times / second */
2369                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2370                                 time = ev.xmotion.time;
2371                                 XSync(display, False);
2372                                 resize_window(win, args->id);
2373                         }
2374                         break;
2375                 }
2376         } while (ev.type != ButtonRelease);
2377         if (time) {
2378                 XSync(display, False);
2379                 resize_window(win, args->id);
2380         }
2381         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2382             win->g.h - 1);
2383         XUngrabPointer(display, CurrentTime);
2384
2385         /* drain events */
2386         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2387 }
2388
2389 void
2390 move_window(struct ws_win *win)
2391 {
2392         unsigned int            mask;
2393         XWindowChanges          wc;
2394         struct swm_region       *r;
2395
2396         r = root_to_region(win->wa.root);
2397         bzero(&wc, sizeof wc);
2398         mask = CWX | CWY;
2399         wc.x = win->g.x;
2400         wc.y = win->g.y;
2401
2402         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2403             win->id, wc.x, wc.y, wc.width, wc.height);
2404
2405         XConfigureWindow(display, win->id, mask, &wc);
2406         configreq_win(win);
2407 }
2408
2409 void
2410 move(struct ws_win *win, union arg *args)
2411 {
2412         XEvent                  ev;
2413         Time                    time = 0;
2414         int                     restack = 0;
2415         struct swm_region       *r = win->ws->r;
2416
2417         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
2418             win->id, win->floating, win->transient);
2419
2420         if (win->floating == 0) {
2421                 win->floating = 1;
2422                 win->manual = 1;
2423                 restack = 1;
2424         }
2425
2426         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2427             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2428                 return;
2429         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2430         do {
2431                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2432                     SubstructureRedirectMask, &ev);
2433                 switch(ev.type) {
2434                 case ConfigureRequest:
2435                 case Expose:
2436                 case MapRequest:
2437                         handler[ev.type](&ev);
2438                         break;
2439                 case MotionNotify:
2440                         /* don't allow to move window out of region */
2441                         if (ev.xmotion.y_root < r->g.y ||
2442                             ev.xmotion.y_root + win->g.h >= r->g.y + r->g.h - 1)
2443                                 continue;
2444                         if (ev.xmotion.x_root < r->g.x ||
2445                             ev.xmotion.x_root + win->g.w >= r->g.x + r->g.w - 1)
2446                                 continue;
2447
2448                         win->g.x = ev.xmotion.x_root;
2449                         win->g.y = ev.xmotion.y_root;
2450
2451                         /* not free, don't sync more than 60 times / second */
2452                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2453                                 time = ev.xmotion.time;
2454                                 XSync(display, False);
2455                                 move_window(win);
2456                         }
2457                         break;
2458                 }
2459         } while (ev.type != ButtonRelease);
2460         if (time) {
2461                 XSync(display, False);
2462                 move_window(win);
2463         }
2464         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2465         XUngrabPointer(display, CurrentTime);
2466         if (restack)
2467                 stack();
2468
2469         /* drain events */
2470         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2471 }
2472
2473 /* key definitions */
2474 void
2475 dummykeyfunc(struct swm_region *r, union arg *args)
2476 {
2477 };
2478
2479 void
2480 legacyfunc(struct swm_region *r, union arg *args)
2481 {
2482 };
2483
2484 struct keyfunc {
2485         char                    name[SWM_FUNCNAME_LEN];
2486         void                    (*func)(struct swm_region *r, union arg *);
2487         union arg               args;
2488 } keyfuncs[kf_invalid + 1] = {
2489         /* name                 function        argument */
2490         { "cycle_layout",       cycle_layout,   {0} },
2491         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2492         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2493         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2494         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2495         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2496         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2497         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2498         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2499         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2500         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2501         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2502         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2503         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2504         { "spawn_menu",         legacyfunc,     {0} },
2505         { "quit",               quit,           {0} },
2506         { "restart",            restart,        {0} },
2507         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2508         { "ws_1",               switchws,       {.id = 0} },
2509         { "ws_2",               switchws,       {.id = 1} },
2510         { "ws_3",               switchws,       {.id = 2} },
2511         { "ws_4",               switchws,       {.id = 3} },
2512         { "ws_5",               switchws,       {.id = 4} },
2513         { "ws_6",               switchws,       {.id = 5} },
2514         { "ws_7",               switchws,       {.id = 6} },
2515         { "ws_8",               switchws,       {.id = 7} },
2516         { "ws_9",               switchws,       {.id = 8} },
2517         { "ws_10",              switchws,       {.id = 9} },
2518         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2519         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2520         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2521         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2522         { "mvws_1",             send_to_ws,     {.id = 0} },
2523         { "mvws_2",             send_to_ws,     {.id = 1} },
2524         { "mvws_3",             send_to_ws,     {.id = 2} },
2525         { "mvws_4",             send_to_ws,     {.id = 3} },
2526         { "mvws_5",             send_to_ws,     {.id = 4} },
2527         { "mvws_6",             send_to_ws,     {.id = 5} },
2528         { "mvws_7",             send_to_ws,     {.id = 6} },
2529         { "mvws_8",             send_to_ws,     {.id = 7} },
2530         { "mvws_9",             send_to_ws,     {.id = 8} },
2531         { "mvws_10",            send_to_ws,     {.id = 9} },
2532         { "bar_toggle",         bar_toggle,     {0} },
2533         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2534         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2535         { "screenshot_all",     legacyfunc,     {0} },
2536         { "screenshot_wind",    legacyfunc,     {0} },
2537         { "float_toggle",       floating_toggle,{0} },
2538         { "version",            version,        {0} },
2539         { "spawn_lock",         legacyfunc,     {0} },
2540         { "spawn_initscr",      legacyfunc,     {0} },
2541         { "spawn_custom",       dummykeyfunc,   {0} },
2542         { "dumpwins",           dumpwins,       {0} },
2543         { "invalid key func",   NULL,           {0} },
2544 };
2545 struct key {
2546         unsigned int            mod;
2547         KeySym                  keysym;
2548         enum keyfuncid          funcid;
2549         char                    *spawn_name;
2550 };
2551 int                             keys_size = 0, keys_length = 0;
2552 struct key                      *keys = NULL;
2553
2554 /* mouse */
2555 enum { client_click, root_click };
2556 struct button {
2557         unsigned int            action;
2558         unsigned int            mask;
2559         unsigned int            button;
2560         void                    (*func)(struct ws_win *, union arg *);
2561         union arg               args;
2562 } buttons[] = {
2563           /* action     key             mouse button    func    args */
2564         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2565         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2566         { client_click, MODKEY,         Button1,        move,   {0} },
2567 };
2568
2569 void
2570 update_modkey(unsigned int mod)
2571 {
2572         int                     i;
2573
2574         mod_key = mod;
2575         for (i = 0; i < keys_length; i++)
2576                 if (keys[i].mod & ShiftMask)
2577                         keys[i].mod = mod | ShiftMask;
2578                 else
2579                         keys[i].mod = mod;
2580
2581         for (i = 0; i < LENGTH(buttons); i++)
2582                 if (buttons[i].mask & ShiftMask)
2583                         buttons[i].mask = mod | ShiftMask;
2584                 else
2585                         buttons[i].mask = mod;
2586 }
2587
2588 /* spawn */
2589 struct spawn_prog {
2590         char                    *name;
2591         int                     argc;
2592         char                    **argv;
2593 };
2594
2595 int                             spawns_size = 0, spawns_length = 0;
2596 struct spawn_prog               *spawns = NULL;
2597
2598 void
2599 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2600 {
2601         union arg               a;
2602         struct spawn_prog       *prog = NULL;
2603         int                     i;
2604         char                    *ap, **real_args;
2605
2606         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2607
2608         /* find program */
2609         for (i = 0; i < spawns_length; i++) {
2610                 if (!strcasecmp(spawn_name, spawns[i].name))
2611                         prog = &spawns[i];
2612         }
2613         if (prog == NULL) {
2614                 fprintf(stderr, "spawn_custom: program %s not found\n",
2615                     spawn_name);
2616                 return;
2617         }
2618
2619         /* make room for expanded args */
2620         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2621                 err(1, "spawn_custom: calloc real_args");
2622
2623         /* expand spawn_args into real_args */
2624         for (i = 0; i < prog->argc; i++) {
2625                 ap = prog->argv[i];
2626                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2627                 if (!strcasecmp(ap, "$bar_border")) {
2628                         if ((real_args[i] =
2629                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2630                             == NULL)
2631                                 err(1,  "spawn_custom border color");
2632                 } else if (!strcasecmp(ap, "$bar_color")) {
2633                         if ((real_args[i] =
2634                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2635                             == NULL)
2636                                 err(1, "spawn_custom bar color");
2637                 } else if (!strcasecmp(ap, "$bar_font")) {
2638                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2639                             == NULL)
2640                                 err(1, "spawn_custom bar fonts");
2641                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2642                         if ((real_args[i] =
2643                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2644                             == NULL)
2645                                 err(1, "spawn_custom color font");
2646                 } else if (!strcasecmp(ap, "$color_focus")) {
2647                         if ((real_args[i] =
2648                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2649                             == NULL)
2650                                 err(1, "spawn_custom color focus");
2651                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2652                         if ((real_args[i] =
2653                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2654                             == NULL)
2655                                 err(1, "spawn_custom color unfocus");
2656                 } else {
2657                         /* no match --> copy as is */
2658                         if ((real_args[i] = strdup(ap)) == NULL)
2659                                 err(1, "spawn_custom strdup(ap)");
2660                 }
2661                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2662                     real_args[i]);
2663         }
2664
2665 #ifdef SWM_DEBUG
2666         if ((swm_debug & SWM_D_SPAWN) != 0) {
2667                 fprintf(stderr, "spawn_custom: result = ");
2668                 for (i = 0; i < prog->argc; i++)
2669                         fprintf(stderr, "\"%s\" ", real_args[i]);
2670                 fprintf(stderr, "\n");
2671         }
2672 #endif
2673
2674         a.argv = real_args;
2675         spawn(r, &a);
2676         for (i = 0; i < prog->argc; i++)
2677                 free(real_args[i]);
2678         free(real_args);
2679 }
2680
2681 void
2682 setspawn(struct spawn_prog *prog)
2683 {
2684         int                     i, j;
2685
2686         if (prog == NULL || prog->name == NULL)
2687                 return;
2688
2689         /* find existing */
2690         for (i = 0; i < spawns_length; i++) {
2691                 if (!strcmp(spawns[i].name, prog->name)) {
2692                         /* found */
2693                         if (prog->argv == NULL) {
2694                                 /* delete */
2695                                 DNPRINTF(SWM_D_SPAWN,
2696                                     "setspawn: delete #%d %s\n",
2697                                     i, spawns[i].name);
2698                                 free(spawns[i].name);
2699                                 for (j = 0; j < spawns[i].argc; j++)
2700                                         free(spawns[i].argv[j]);
2701                                 free(spawns[i].argv);
2702                                 j = spawns_length - 1;
2703                                 if (i < j)
2704                                         spawns[i] = spawns[j];
2705                                 spawns_length--;
2706                                 free(prog->name);
2707                         } else {
2708                                 /* replace */
2709                                 DNPRINTF(SWM_D_SPAWN,
2710                                     "setspawn: replace #%d %s\n",
2711                                     i, spawns[i].name);
2712                                 free(spawns[i].name);
2713                                 for (j = 0; j < spawns[i].argc; j++)
2714                                         free(spawns[i].argv[j]);
2715                                 free(spawns[i].argv);
2716                                 spawns[i] = *prog;
2717                         }
2718                         /* found case handled */
2719                         free(prog);
2720                         return;
2721                 }
2722         }
2723
2724         if (prog->argv == NULL) {
2725                 fprintf(stderr,
2726                     "error: setspawn: cannot find program %s", prog->name);
2727                 free(prog);
2728                 return;
2729         }
2730
2731         /* not found: add */
2732         if (spawns_size == 0 || spawns == NULL) {
2733                 spawns_size = 4;
2734                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2735                 spawns = malloc((size_t)spawns_size *
2736                     sizeof(struct spawn_prog));
2737                 if (spawns == NULL) {
2738                         fprintf(stderr, "setspawn: malloc failed\n");
2739                         perror(" failed");
2740                         quit(NULL, NULL);
2741                 }
2742         } else if (spawns_length == spawns_size) {
2743                 spawns_size *= 2;
2744                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2745                 spawns = realloc(spawns, (size_t)spawns_size *
2746                     sizeof(struct spawn_prog));
2747                 if (spawns == NULL) {
2748                         fprintf(stderr, "setspawn: realloc failed\n");
2749                         perror(" failed");
2750                         quit(NULL, NULL);
2751                 }
2752         }
2753
2754         if (spawns_length < spawns_size) {
2755                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2756                     spawns_length, prog->name);
2757                 i = spawns_length++;
2758                 spawns[i] = *prog;
2759         } else {
2760                 fprintf(stderr, "spawns array problem?\n");
2761                 if (spawns == NULL) {
2762                         fprintf(stderr, "spawns array is NULL!\n");
2763                         quit(NULL, NULL);
2764                 }
2765         }
2766         free(prog);
2767 }
2768
2769 int
2770 setconfspawn(char *selector, char *value, int flags)
2771 {
2772         struct spawn_prog       *prog;
2773         char                    *vp, *cp, *word;
2774
2775         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2776         if ((prog = calloc(1, sizeof *prog)) == NULL)
2777                 err(1, "setconfspawn: calloc prog");
2778         prog->name = strdup(selector);
2779         if (prog->name == NULL)
2780                 err(1, "setconfspawn prog->name");
2781         if ((cp = vp = strdup(value)) == NULL)
2782                 err(1, "setconfspawn: strdup(value) ");
2783         while ((word = strsep(&cp, " \t")) != NULL) {
2784                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2785                 if (cp)
2786                         cp += (long)strspn(cp, " \t");
2787                 if (strlen(word) > 0) {
2788                         prog->argc++;
2789                         prog->argv = realloc(prog->argv,
2790                             prog->argc * sizeof(char *));
2791                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2792                                 err(1, "setconfspawn: strdup");
2793                 }
2794         }
2795         free(vp);
2796
2797         setspawn(prog);
2798
2799         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2800         return (0);
2801 }
2802
2803 void
2804 setup_spawn(void)
2805 {
2806         setconfspawn("term",            "xterm",                0);
2807         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2808         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2809         setconfspawn("lock",            "xlock",                0);
2810         setconfspawn("initscr",         "initscreen.sh",        0);
2811         setconfspawn("menu",            "dmenu_run"
2812                                         " -fn $bar_font"
2813                                         " -nb $bar_color"
2814                                         " -nf $bar_font_color"
2815                                         " -sb $bar_border"
2816                                         " -sf $bar_color",      0);
2817 }
2818
2819 /* key bindings */
2820 #define SWM_MODNAME_SIZE        32
2821 #define SWM_KEY_WS              "\n+ \t"
2822 int
2823 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2824 {
2825         char                    *cp, *name;
2826         KeySym                  uks;
2827         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2828         if (mod == NULL || ks == NULL) {
2829                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2830                 return (1);
2831         }
2832         if (keystr == NULL || strlen(keystr) == 0) {
2833                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2834                 return (1);
2835         }
2836         cp = keystr;
2837         *ks = NoSymbol;
2838         *mod = 0;
2839         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2840                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2841                 if (cp)
2842                         cp += (long)strspn(cp, SWM_KEY_WS);
2843                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2844                         *mod |= currmod;
2845                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2846                         *mod |= Mod1Mask;
2847                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2848                         *mod += Mod2Mask;
2849                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2850                         *mod |= Mod3Mask;
2851                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2852                         *mod |= Mod4Mask;
2853                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2854                         *mod |= ShiftMask;
2855                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2856                         *mod |= ControlMask;
2857                 else {
2858                         *ks = XStringToKeysym(name);
2859                         XConvertCase(*ks, ks, &uks);
2860                         if (ks == NoSymbol) {
2861                                 DNPRINTF(SWM_D_KEY,
2862                                     "parsekeys: invalid key %s\n",
2863                                     name);
2864                                 return (1);
2865                         }
2866                 }
2867         }
2868         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2869         return (0);
2870 }
2871
2872 char *
2873 strdupsafe(char *str)
2874 {
2875         if (str == NULL)
2876                 return (NULL);
2877         else
2878                 return (strdup(str));
2879 }
2880
2881 void
2882 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2883 {
2884         int                     i, j;
2885         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2886             keyfuncs[kfid].name, spawn_name);
2887         /* find existing */
2888         for (i = 0; i < keys_length; i++) {
2889                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2890                         if (kfid == kf_invalid) {
2891                                 /* found: delete */
2892                                 DNPRINTF(SWM_D_KEY,
2893                                     "setkeybinding: delete #%d %s\n",
2894                                     i, keyfuncs[keys[i].funcid].name);
2895                                 free(keys[i].spawn_name);
2896                                 j = keys_length - 1;
2897                                 if (i < j)
2898                                         keys[i] = keys[j];
2899                                 keys_length--;
2900                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2901                                 return;
2902                         } else {
2903                                 /* found: replace */
2904                                 DNPRINTF(SWM_D_KEY,
2905                                     "setkeybinding: replace #%d %s %s\n",
2906                                     i, keyfuncs[keys[i].funcid].name,
2907                                     spawn_name);
2908                                 free(keys[i].spawn_name);
2909                                 keys[i].mod = mod;
2910                                 keys[i].keysym = ks;
2911                                 keys[i].funcid = kfid;
2912                                 keys[i].spawn_name = strdupsafe(spawn_name);
2913                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2914                                 return;
2915                         }
2916                 }
2917         }
2918         if (kfid == kf_invalid) {
2919                 fprintf(stderr,
2920                     "error: setkeybinding: cannot find mod/key combination");
2921                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2922                 return;
2923         }
2924         /* not found: add */
2925         if (keys_size == 0 || keys == NULL) {
2926                 keys_size = 4;
2927                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2928                 keys = malloc((size_t)keys_size * sizeof(struct key));
2929                 if (!keys) {
2930                         fprintf(stderr, "malloc failed\n");
2931                         perror(" failed");
2932                         quit(NULL, NULL);
2933                 }
2934         } else if (keys_length == keys_size) {
2935                 keys_size *= 2;
2936                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2937                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2938                 if (!keys) {
2939                         fprintf(stderr, "realloc failed\n");
2940                         perror(" failed");
2941                         quit(NULL, NULL);
2942                 }
2943         }
2944         if (keys_length < keys_size) {
2945                 j = keys_length++;
2946                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2947                     j, keyfuncs[kfid].name, spawn_name);
2948                 keys[j].mod = mod;
2949                 keys[j].keysym = ks;
2950                 keys[j].funcid = kfid;
2951                 keys[j].spawn_name = strdupsafe(spawn_name);
2952         } else {
2953                 fprintf(stderr, "keys array problem?\n");
2954                 if (!keys) {
2955                         fprintf(stderr, "keys array problem\n");
2956                         quit(NULL, NULL);
2957                 }
2958         }
2959         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2960 }
2961
2962 int
2963 setconfbinding(char *selector, char *value, int flags)
2964 {
2965         enum keyfuncid          kfid;
2966         unsigned int            mod;
2967         KeySym                  ks;
2968         int                     i;
2969         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2970         if (selector == NULL) {
2971                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2972                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2973                         kfid = kf_invalid;
2974                         setkeybinding(mod, ks, kfid, NULL);
2975                         return (0);
2976                 } else
2977                         return (1);
2978         }
2979         /* search by key function name */
2980         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2981                 if (strncasecmp(selector, keyfuncs[kfid].name,
2982                     SWM_FUNCNAME_LEN) == 0) {
2983                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2984                             selector);
2985                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2986                                 setkeybinding(mod, ks, kfid, NULL);
2987                                 return (0);
2988                         } else
2989                                 return (1);
2990                 }
2991         }
2992         /* search by custom spawn name */
2993         for (i = 0; i < spawns_length; i++) {
2994                 if (strcasecmp(selector, spawns[i].name) == 0) {
2995                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2996                             selector);
2997                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2998                                 setkeybinding(mod, ks, kf_spawn_custom,
2999                                     spawns[i].name);
3000                                 return (0);
3001                         } else
3002                                 return (1);
3003                 }
3004         }
3005         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
3006         return (1);
3007 }
3008
3009 void
3010 setup_keys(void)
3011 {
3012         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
3013         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
3014         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
3015         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
3016         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
3017         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
3018         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
3019         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
3020         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
3021         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
3022         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
3023         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
3024         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
3025         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
3026         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
3027         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
3028         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
3029         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
3030         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
3031         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
3032         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
3033         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
3034         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
3035         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
3036         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
3037         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
3038         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
3039         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
3040         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
3041         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
3042         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
3043         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
3044         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
3045         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
3046         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
3047         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
3048         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
3049         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
3050         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
3051         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
3052         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
3053         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
3054         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
3055         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
3056         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
3057         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
3058         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
3059         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
3060         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
3061         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
3062         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
3063         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
3064         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
3065 #ifdef SWM_DEBUG
3066         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
3067 #endif
3068 }
3069
3070 void
3071 updatenumlockmask(void)
3072 {
3073         unsigned int            i, j;
3074         XModifierKeymap         *modmap;
3075
3076         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
3077         numlockmask = 0;
3078         modmap = XGetModifierMapping(display);
3079         for (i = 0; i < 8; i++)
3080                 for (j = 0; j < modmap->max_keypermod; j++)
3081                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
3082                           == XKeysymToKeycode(display, XK_Num_Lock))
3083                                 numlockmask = (1 << i);
3084
3085         XFreeModifiermap(modmap);
3086 }
3087
3088 void
3089 grabkeys(void)
3090 {
3091         unsigned int            i, j, k;
3092         KeyCode                 code;
3093         unsigned int            modifiers[] =
3094             { 0, LockMask, numlockmask, numlockmask | LockMask };
3095
3096         DNPRINTF(SWM_D_MISC, "grabkeys\n");
3097         updatenumlockmask();
3098
3099         for (k = 0; k < ScreenCount(display); k++) {
3100                 if (TAILQ_EMPTY(&screens[k].rl))
3101                         continue;
3102                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
3103                 for (i = 0; i < keys_length; i++) {
3104                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
3105                                 for (j = 0; j < LENGTH(modifiers); j++)
3106                                         XGrabKey(display, code,
3107                                             keys[i].mod | modifiers[j],
3108                                             screens[k].root, True,
3109                                             GrabModeAsync, GrabModeAsync);
3110                 }
3111         }
3112 }
3113
3114 void
3115 grabbuttons(struct ws_win *win, int focused)
3116 {
3117         unsigned int            i, j;
3118         unsigned int            modifiers[] =
3119             { 0, LockMask, numlockmask, numlockmask|LockMask };
3120
3121         updatenumlockmask();
3122         XUngrabButton(display, AnyButton, AnyModifier, win->id);
3123         if(focused) {
3124                 for (i = 0; i < LENGTH(buttons); i++)
3125                         if (buttons[i].action == client_click)
3126                                 for (j = 0; j < LENGTH(modifiers); j++)
3127                                         XGrabButton(display, buttons[i].button,
3128                                             buttons[i].mask | modifiers[j],
3129                                             win->id, False, BUTTONMASK,
3130                                             GrabModeAsync, GrabModeSync, None,
3131                                             None);
3132         } else
3133                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
3134                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
3135 }
3136
3137 const char *quirkname[] = {
3138         "NONE",         /* config string for "no value" */
3139         "FLOAT",
3140         "TRANSSZ",
3141         "ANYWHERE",
3142         "XTERM_FONTADJ",
3143         "FULLSCREEN",
3144 };
3145
3146 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3147 #define SWM_Q_WS                "\n|+ \t"
3148 int
3149 parsequirks(char *qstr, unsigned long *quirk)
3150 {
3151         char                    *cp, *name;
3152         int                     i;
3153
3154         if (quirk == NULL)
3155                 return (1);
3156
3157         cp = qstr;
3158         *quirk = 0;
3159         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3160                 if (cp)
3161                         cp += (long)strspn(cp, SWM_Q_WS);
3162                 for (i = 0; i < LENGTH(quirkname); i++) {
3163                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3164                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3165                                 if (i == 0) {
3166                                         *quirk = 0;
3167                                         return (0);
3168                                 }
3169                                 *quirk |= 1 << (i-1);
3170                                 break;
3171                         }
3172                 }
3173                 if (i >= LENGTH(quirkname)) {
3174                         DNPRINTF(SWM_D_QUIRK,
3175                             "parsequirks: invalid quirk [%s]\n", name);
3176                         return (1);
3177                 }
3178         }
3179         return (0);
3180 }
3181
3182 void
3183 setquirk(const char *class, const char *name, const int quirk)
3184 {
3185         int                     i, j;
3186
3187         /* find existing */
3188         for (i = 0; i < quirks_length; i++) {
3189                 if (!strcmp(quirks[i].class, class) &&
3190                     !strcmp(quirks[i].name, name)) {
3191                         if (!quirk) {
3192                                 /* found: delete */
3193                                 DNPRINTF(SWM_D_QUIRK,
3194                                     "setquirk: delete #%d %s:%s\n",
3195                                     i, quirks[i].class, quirks[i].name);
3196                                 free(quirks[i].class);
3197                                 free(quirks[i].name);
3198                                 j = quirks_length - 1;
3199                                 if (i < j)
3200                                         quirks[i] = quirks[j];
3201                                 quirks_length--;
3202                                 return;
3203                         } else {
3204                                 /* found: replace */
3205                                 DNPRINTF(SWM_D_QUIRK,
3206                                     "setquirk: replace #%d %s:%s\n",
3207                                     i, quirks[i].class, quirks[i].name);
3208                                 free(quirks[i].class);
3209                                 free(quirks[i].name);
3210                                 quirks[i].class = strdup(class);
3211                                 quirks[i].name = strdup(name);
3212                                 quirks[i].quirk = quirk;
3213                                 return;
3214                         }
3215                 }
3216         }
3217         if (!quirk) {
3218                 fprintf(stderr,
3219                     "error: setquirk: cannot find class/name combination");
3220                 return;
3221         }
3222         /* not found: add */
3223         if (quirks_size == 0 || quirks == NULL) {
3224                 quirks_size = 4;
3225                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3226                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3227                 if (!quirks) {
3228                         fprintf(stderr, "setquirk: malloc failed\n");
3229                         perror(" failed");
3230                         quit(NULL, NULL);
3231                 }
3232         } else if (quirks_length == quirks_size) {
3233                 quirks_size *= 2;
3234                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3235                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3236                 if (!quirks) {
3237                         fprintf(stderr, "setquirk: realloc failed\n");
3238                         perror(" failed");
3239                         quit(NULL, NULL);
3240                 }
3241         }
3242         if (quirks_length < quirks_size) {
3243                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3244                 j = quirks_length++;
3245                 quirks[j].class = strdup(class);
3246                 quirks[j].name = strdup(name);
3247                 quirks[j].quirk = quirk;
3248         } else {
3249                 fprintf(stderr, "quirks array problem?\n");
3250                 if (!quirks) {
3251                         fprintf(stderr, "quirks array problem!\n");
3252                         quit(NULL, NULL);
3253                 }
3254         }
3255 }
3256
3257 int
3258 setconfquirk(char *selector, char *value, int flags)
3259 {
3260         char                    *cp, *class, *name;
3261         int                     retval;
3262         unsigned long           quirks;
3263         if (selector == NULL)
3264                 return (0);
3265         if ((cp = strchr(selector, ':')) == NULL)
3266                 return (0);
3267         *cp = '\0';
3268         class = selector;
3269         name = cp + 1;
3270         if ((retval = parsequirks(value, &quirks)) == 0)
3271                 setquirk(class, name, quirks);
3272         return (retval);
3273 }
3274
3275 void
3276 setup_quirks(void)
3277 {
3278         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3279         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3280         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3281         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3282         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3283         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3284         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3285         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3286         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3287         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3288         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3289         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3290         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3291 }
3292
3293 /* conf file stuff */
3294 #define SWM_CONF_FILE   "scrotwm.conf"
3295
3296 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3297           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3298           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3299           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3300           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3301
3302 int
3303 setconfvalue(char *selector, char *value, int flags)
3304 {
3305         switch (flags) {
3306         case SWM_S_BAR_DELAY:
3307                 bar_delay = atoi(value);
3308                 break;
3309         case SWM_S_BAR_ENABLED:
3310                 bar_enabled = atoi(value);
3311                 break;
3312         case SWM_S_STACK_ENABLED:
3313                 stack_enabled = atoi(value);
3314                 break;
3315         case SWM_S_CLOCK_ENABLED:
3316                 clock_enabled = atoi(value);
3317                 break;
3318         case SWM_S_CYCLE_EMPTY:
3319                 cycle_empty = atoi(value);
3320                 break;
3321         case SWM_S_CYCLE_VISIBLE:
3322                 cycle_visible = atoi(value);
3323                 break;
3324         case SWM_S_SS_ENABLED:
3325                 ss_enabled = atoi(value);
3326                 break;
3327         case SWM_S_TERM_WIDTH:
3328                 term_width = atoi(value);
3329                 break;
3330         case SWM_S_TITLE_CLASS_ENABLED:
3331                 title_class_enabled = atoi(value);
3332                 break;
3333         case SWM_S_TITLE_NAME_ENABLED:
3334                 title_name_enabled = atoi(value);
3335                 break;
3336         case SWM_S_BAR_FONT:
3337                 free(bar_fonts[0]);
3338                 if ((bar_fonts[0] = strdup(value)) == NULL)
3339                         err(1, "setconfvalue: bar_font");
3340                 break;
3341         case SWM_S_BAR_ACTION:
3342                 free(bar_argv[0]);
3343                 if ((bar_argv[0] = strdup(value)) == NULL)
3344                         err(1, "setconfvalue: bar_action");
3345                 break;
3346         case SWM_S_SPAWN_TERM:
3347                 free(spawn_term[0]);
3348                 if ((spawn_term[0] = strdup(value)) == NULL)
3349                         err(1, "setconfvalue: spawn_term");
3350                 break;
3351         case SWM_S_SS_APP:
3352                 break;
3353         case SWM_S_DIALOG_RATIO:
3354                 dialog_ratio = atof(value);
3355                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3356                         dialog_ratio = .6;
3357                 break;
3358         default:
3359                 return (1);
3360         }
3361         return (0);
3362 }
3363
3364 int
3365 setconfmodkey(char *selector, char *value, int flags)
3366 {
3367         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3368                 update_modkey(Mod1Mask);
3369         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3370                 update_modkey(Mod2Mask);
3371         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3372                 update_modkey(Mod3Mask);
3373         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3374                 update_modkey(Mod4Mask);
3375         else
3376                 return (1);
3377         return (0);
3378 }
3379
3380 int
3381 setconfcolor(char *selector, char *value, int flags)
3382 {
3383         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3384         return (0);
3385 }
3386
3387 int
3388 setconfregion(char *selector, char *value, int flags)
3389 {
3390         custom_region(value);
3391         return (0);
3392 }
3393
3394 /* config options */
3395 struct config_option {
3396         char                    *optname;
3397         int (*func)(char*, char*, int);
3398         int funcflags;
3399 };
3400 struct config_option configopt[] = {
3401         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3402         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3403         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3404         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3405         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3406         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3407         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3408         { "bind",                       setconfbinding, 0 },
3409         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3410         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3411         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3412         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3413         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3414         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3415         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3416         { "modkey",                     setconfmodkey,  0 },
3417         { "program",                    setconfspawn,   0 },
3418         { "quirk",                      setconfquirk,   0 },
3419         { "region",                     setconfregion,  0 },
3420         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3421         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3422         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3423         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3424         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3425         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3426 };
3427
3428
3429 int
3430 conf_load(char *filename)
3431 {
3432         FILE                    *config;
3433         char                    *line, *cp, *optsub, *optval;
3434         size_t                  linelen, lineno = 0;
3435         int                     wordlen, i, optind;
3436         struct config_option    *opt;
3437
3438         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3439
3440         if (filename == NULL) {
3441                 fprintf(stderr, "conf_load: no filename\n");
3442                 return (1);
3443         }
3444         if ((config = fopen(filename, "r")) == NULL) {
3445                 warn("conf_load: fopen");
3446                 return (1);
3447         }
3448
3449         while (!feof(config)) {
3450                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3451                     == NULL) {
3452                         if (ferror(config))
3453                                 err(1, "%s", filename);
3454                         else
3455                                 continue;
3456                 }
3457                 cp = line;
3458                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3459                 if (cp[0] == '\0') {
3460                         /* empty line */
3461                         free(line);
3462                         continue;
3463                 }
3464                 /* get config option */
3465                 wordlen = strcspn(cp, "=[ \t\n");
3466                 if (wordlen == 0) {
3467                         warnx("%s: line %zd: no option found",
3468                             filename, lineno);
3469                         return (1);
3470                 }
3471                 optind = -1;
3472                 for (i = 0; i < LENGTH(configopt); i++) {
3473                         opt = &configopt[i];
3474                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3475                             strlen(opt->optname) == wordlen) {
3476                                 optind = i;
3477                                 break;
3478                         }
3479                 }
3480                 if (optind == -1) {
3481                         warnx("%s: line %zd: unknown option %.*s",
3482                             filename, lineno, wordlen, cp);
3483                         return (1);
3484                 }
3485                 cp += wordlen;
3486                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3487                 /* get [selector] if any */
3488                 optsub = NULL;
3489                 if (*cp == '[') {
3490                         cp++;
3491                         wordlen = strcspn(cp, "]");
3492                         if (*cp != ']') {
3493                                 if (wordlen == 0) {
3494                                         warnx("%s: line %zd: syntax error",
3495                                             filename, lineno);
3496                                         return (1);
3497                                 }
3498                                 asprintf(&optsub, "%.*s", wordlen, cp);
3499                         }
3500                         cp += wordlen;
3501                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3502                 }
3503                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3504                 /* get RHS value */
3505                 optval = strdup(cp);
3506                 /* call function to deal with it all */
3507                 if (configopt[optind].func(optsub, optval,
3508                     configopt[optind].funcflags) != 0) {
3509                         fprintf(stderr, "%s line %zd: %s\n",
3510                             filename, lineno, line);
3511                         errx(1, "%s: line %zd: invalid data for %s",
3512                             filename, lineno, configopt[optind].optname);
3513                 }
3514                 free(optval);
3515                 free(optsub);
3516                 free(line);
3517         }
3518
3519         fclose(config);
3520         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3521
3522         return (0);
3523 }
3524
3525 void
3526 set_child_transient(struct ws_win *win)
3527 {
3528         struct ws_win           *parent;
3529
3530         parent = find_window(win->transient);
3531         if (parent)
3532                 parent->child_trans = win;
3533 }
3534
3535 struct ws_win *
3536 manage_window(Window id)
3537 {
3538         Window                  trans = 0;
3539         struct workspace        *ws;
3540         struct ws_win           *win, *ww;
3541         int                     format, i, ws_idx, n, border_me = 0;
3542         unsigned long           nitems, bytes;
3543         Atom                    ws_idx_atom = 0, type;
3544         Atom                    *prot = NULL, *pp;
3545         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3546         struct swm_region       *r;
3547         long                    mask;
3548         const char              *errstr;
3549         XWindowChanges          wc;
3550
3551         if ((win = find_window(id)) != NULL)
3552                 return (win);   /* already being managed */
3553
3554         /* see if we are on the unmanaged list */
3555         if ((win = find_unmanaged_window(id)) != NULL) {
3556                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3557                     "%lu\n", win->id);
3558                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3559                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3560                 if (win->transient)
3561                         set_child_transient(win);
3562                 return (win);
3563         }
3564
3565         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3566                 errx(1, "calloc: failed to allocate memory for new window");
3567
3568         /* Get all the window data in one shot */
3569         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3570         if (ws_idx_atom)
3571                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3572                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3573         XGetWindowAttributes(display, id, &win->wa);
3574         XGetWMNormalHints(display, id, &win->sh, &mask);
3575         XGetTransientForHint(display, id, &trans);
3576         if (trans) {
3577                 win->transient = trans;
3578                 set_child_transient(win);
3579                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
3580                     win->id, win->transient);
3581         }
3582         /* get supported protocols */
3583         if (XGetWMProtocols(display, id, &prot, &n)) {
3584                 for (i = 0, pp = prot; i < n; i++, pp++) {
3585                         if (*pp == takefocus)
3586                                 win->take_focus = 1;
3587                         if (*pp == adelete)
3588                                 win->can_delete = 1;
3589                 }
3590                 if (prot)
3591                         XFree(prot);
3592         }
3593
3594         /*
3595          * Figure out where to put the window. If it was previously assigned to
3596          * a workspace (either by spawn() or manually moving), and isn't
3597          * transient, * put it in the same workspace
3598          */
3599         r = root_to_region(win->wa.root);
3600         if (prop && win->transient == 0) {
3601                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3602                 ws_idx = strtonum(prop, 0, 9, &errstr);
3603                 if (errstr) {
3604                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3605                             errstr, prop);
3606                 }
3607                 ws = &r->s->ws[ws_idx];
3608         } else {
3609                 ws = r->ws;
3610                 /* this should launch transients in the same ws as parent */
3611                 if (id && trans)
3612                         if ((ww = find_window(trans)) != NULL)
3613                                 if (ws->r) {
3614                                         ws = ww->ws;
3615                                         if (ww->ws->r)
3616                                                 r = ww->ws->r;
3617                                         else
3618                                                 fprintf(stderr,
3619                                                     "fix this bug mcbride\n");
3620                                         border_me = 1;
3621                                 }
3622         }
3623
3624         /* set up the window layout */
3625         win->id = id;
3626         win->ws = ws;
3627         win->s = r->s;  /* this never changes */
3628         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3629
3630         win->g.w = win->wa.width;
3631         win->g.h = win->wa.height;
3632         win->g.x = win->wa.x;
3633         win->g.y = win->wa.y;
3634
3635         /* Set window properties so we can remember this after reincarnation */
3636         if (ws_idx_atom && prop == NULL &&
3637             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3638                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3639                     ws_idx_str);
3640                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3641                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3642         }
3643         XFree(prop);
3644
3645         if (XGetClassHint(display, win->id, &win->ch)) {
3646                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3647                     win->ch.res_class, win->ch.res_name);
3648
3649                 /* java is retarded so treat it special */
3650                 if (strstr(win->ch.res_name, "sun-awt")) {
3651                         win->java = 1;
3652                         border_me = 1;
3653                 }
3654
3655                 for (i = 0; i < quirks_length; i++){
3656                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3657                             !strcmp(win->ch.res_name, quirks[i].name)) {
3658                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3659                                     win->ch.res_class, win->ch.res_name);
3660                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
3661                                         win->floating = 1;
3662                                         border_me = 1;
3663                                 }
3664                                 win->quirks = quirks[i].quirk;
3665                         }
3666                 }
3667         }
3668
3669         /* alter window position if quirky */
3670         if (win->quirks & SWM_Q_ANYWHERE) {
3671                 win->manual = 1; /* don't center the quirky windows */
3672                 bzero(&wc, sizeof wc);
3673                 mask = 0;
3674                 if (win->g.y < bar_height) {
3675                         win->g.y = wc.y = bar_height;
3676                         mask |= CWY;
3677                 }
3678                 if (win->g.w + win->g.x > WIDTH(r)) {
3679                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3680                         mask |= CWX;
3681                 }
3682                 border_me = 1;
3683         }
3684
3685         /* Reset font sizes (the bruteforce way; no default keybinding). */
3686         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3687                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3688                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3689                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3690                         fake_keypress(win, XK_KP_Add, ShiftMask);
3691         }
3692
3693         /* border me */
3694         if (border_me) {
3695                 bzero(&wc, sizeof wc);
3696                 wc.border_width = 1;
3697                 mask = CWBorderWidth;
3698                 XConfigureWindow(display, win->id, mask, &wc);
3699                 configreq_win(win);
3700         }
3701
3702         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3703             PropertyChangeMask | StructureNotifyMask);
3704
3705         set_win_state(win, NormalState);
3706
3707         /* floaters need to be mapped if they are in the current workspace */
3708         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3709                 XMapRaised(display, win->id);
3710
3711         return (win);
3712 }
3713
3714 void
3715 free_window(struct ws_win *win)
3716 {
3717         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3718
3719         if (win == NULL)
3720                 return;
3721
3722         /* needed for restart wm */
3723         set_win_state(win, WithdrawnState);
3724
3725         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3726
3727         if (win->ch.res_class)
3728                 XFree(win->ch.res_class);
3729         if (win->ch.res_name)
3730                 XFree(win->ch.res_name);
3731
3732         kill_refs(win);
3733
3734         /* paint memory */
3735         memset(win, 0xff, sizeof *win); /* XXX kill later */
3736
3737         free(win);
3738 }
3739
3740 void
3741 unmanage_window(struct ws_win *win)
3742 {
3743         struct ws_win           *parent;
3744
3745         if (win == NULL)
3746                 return;
3747
3748         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3749
3750         if (win->transient) {
3751                 parent = find_window(win->transient);
3752                 if (parent)
3753                         parent->child_trans = NULL;
3754         }
3755
3756         focus_prev(win);
3757         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3758         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3759
3760         kill_refs(win);
3761 }
3762
3763 void
3764 focus_magic(struct ws_win *win, int do_trans)
3765 {
3766         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu %d\n", WINID(win), do_trans);
3767
3768         if (win == NULL)
3769                 return;
3770
3771         if (do_trans == SWM_F_TRANSIENT && win->child_trans) {
3772                 /* win = parent & has a transient so focus on that */
3773                 if (win->java) {
3774                         focus_win(win->child_trans);
3775                         if (win->child_trans->take_focus)
3776                                 client_msg(win, takefocus);
3777                 } else {
3778                         focus_win(win->child_trans);
3779                         if (win->child_trans->take_focus)
3780                                 client_msg(win->child_trans, takefocus);
3781                 }
3782         } else {
3783                 /* regular focus */
3784                 focus_win(win);
3785                 if (win->take_focus)
3786                         client_msg(win, takefocus);
3787         }
3788 }
3789
3790 void
3791 expose(XEvent *e)
3792 {
3793         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3794 }
3795
3796 void
3797 keypress(XEvent *e)
3798 {
3799         unsigned int            i;
3800         KeySym                  keysym;
3801         XKeyEvent               *ev = &e->xkey;
3802
3803         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3804
3805         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3806         for (i = 0; i < keys_length; i++)
3807                 if (keysym == keys[i].keysym
3808                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3809                    && keyfuncs[keys[i].funcid].func) {
3810                         if (keys[i].funcid == kf_spawn_custom)
3811                                 spawn_custom(
3812                                     root_to_region(ev->root),
3813                                     &(keyfuncs[keys[i].funcid].args),
3814                                     keys[i].spawn_name
3815                                     );
3816                         else
3817                                 keyfuncs[keys[i].funcid].func(
3818                                     root_to_region(ev->root),
3819                                     &(keyfuncs[keys[i].funcid].args)
3820                                     );
3821                 }
3822 }
3823
3824 void
3825 buttonpress(XEvent *e)
3826 {
3827         struct ws_win           *win;
3828         int                     i, action;
3829         XButtonPressedEvent     *ev = &e->xbutton;
3830
3831         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3832
3833         action = root_click;
3834         if ((win = find_window(ev->window)) == NULL)
3835                 return;
3836
3837         focus_magic(win, SWM_F_TRANSIENT);
3838         action = client_click;
3839
3840         for (i = 0; i < LENGTH(buttons); i++)
3841                 if (action == buttons[i].action && buttons[i].func &&
3842                     buttons[i].button == ev->button &&
3843                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3844                         buttons[i].func(win, &buttons[i].args);
3845 }
3846
3847 void
3848 configurerequest(XEvent *e)
3849 {
3850         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3851         struct ws_win           *win;
3852         int                     new = 0;
3853         XWindowChanges          wc;
3854
3855         if ((win = find_window(ev->window)) == NULL)
3856                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3857                         new = 1;
3858
3859         if (new) {
3860                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3861                     ev->window);
3862                 bzero(&wc, sizeof wc);
3863                 wc.x = ev->x;
3864                 wc.y = ev->y;
3865                 wc.width = ev->width;
3866                 wc.height = ev->height;
3867                 wc.border_width = ev->border_width;
3868                 wc.sibling = ev->above;
3869                 wc.stack_mode = ev->detail;
3870                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3871         } else {
3872                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3873                     ev->window);
3874                 if (win->floating) {
3875                         if (ev->value_mask & CWX)
3876                                 win->g.x = ev->x;
3877                         if (ev->value_mask & CWY)
3878                                 win->g.y = ev->y;
3879                         if (ev->value_mask & CWWidth)
3880                                 win->g.w = ev->width;
3881                         if (ev->value_mask & CWHeight)
3882                                 win->g.h = ev->height;
3883                 }
3884                 config_win(win);
3885         }
3886 }
3887
3888 void
3889 configurenotify(XEvent *e)
3890 {
3891         struct ws_win           *win;
3892         long                    mask;
3893
3894         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3895             e->xconfigure.window);
3896
3897         win = find_window(e->xconfigure.window);
3898         if (win) {
3899                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3900                 adjust_font(win);
3901                 if (font_adjusted)
3902                         stack();
3903         }
3904 }
3905
3906 void
3907 destroynotify(XEvent *e)
3908 {
3909         struct ws_win           *win;
3910         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3911
3912         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3913
3914         if ((win = find_window(ev->window)) == NULL) {
3915                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3916                         return;
3917                 free_window(win);
3918                 return;
3919         }
3920
3921         unmanage_window(win);
3922         stack();
3923         free_window(win);
3924 }
3925
3926 void
3927 enternotify(XEvent *e)
3928 {
3929         XCrossingEvent          *ev = &e->xcrossing;
3930         struct ws_win           *win;
3931
3932         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3933
3934         /*
3935          * happens when a window is created or destroyed and the border
3936          * crosses the mouse pointer
3937          */
3938         if (QLength(display))
3939                 return;
3940
3941         if ((win = find_window(ev->window)) == NULL)
3942                 return;
3943
3944         focus_magic(win, SWM_F_TRANSIENT);
3945 }
3946
3947 void
3948 focusin(XEvent *e)
3949 {
3950         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3951 }
3952
3953 void
3954 focusout(XEvent *e)
3955 {
3956         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3957 }
3958
3959 void
3960 mapnotify(XEvent *e)
3961 {
3962         struct ws_win           *win;
3963         XMapEvent               *ev = &e->xmap;
3964
3965         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3966
3967         win = manage_window(ev->window);
3968         if (win)
3969                 set_win_state(win, NormalState);
3970 }
3971
3972 void
3973 mappingnotify(XEvent *e)
3974 {
3975         XMappingEvent           *ev = &e->xmapping;
3976
3977         XRefreshKeyboardMapping(ev);
3978         if (ev->request == MappingKeyboard)
3979                 grabkeys();
3980 }
3981
3982 void
3983 maprequest(XEvent *e)
3984 {
3985         struct ws_win           *win;
3986         struct swm_region       *r;
3987         XWindowAttributes       wa;
3988         XMapRequestEvent        *ev = &e->xmaprequest;
3989
3990         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3991             e->xmaprequest.window);
3992
3993         if (!XGetWindowAttributes(display, ev->window, &wa))
3994                 return;
3995         if (wa.override_redirect)
3996                 return;
3997
3998         win = manage_window(e->xmaprequest.window);
3999         if (win == NULL)
4000                 return; /* can't happen */
4001
4002         stack();
4003
4004         /* make new win focused */
4005         r = root_to_region(win->wa.root);
4006         if (win->ws == r->ws)
4007                 focus_magic(win, SWM_F_GENERIC);
4008 }
4009
4010 void
4011 propertynotify(XEvent *e)
4012 {
4013         struct ws_win           *win;
4014         XPropertyEvent          *ev = &e->xproperty;
4015
4016         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
4017             ev->window);
4018
4019         if (ev->state == PropertyDelete)
4020                 return; /* ignore */
4021         win = find_window(ev->window);
4022         if (win == NULL)
4023                 return;
4024
4025         switch (ev->atom) {
4026         case XA_WM_NORMAL_HINTS:
4027 #if 0
4028                 long            mask;
4029                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
4030                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
4031                 if (win->sh.flags & PMinSize) {
4032                         win->g.w = win->sh.min_width;
4033                         win->g.h = win->sh.min_height;
4034                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
4035                 }
4036                 XMoveResizeWindow(display, win->id,
4037                     win->g.x, win->g.y, win->g.w, win->g.h);
4038 #endif
4039                 break;
4040         default:
4041                 break;
4042         }
4043 }
4044
4045 void
4046 unmapnotify(XEvent *e)
4047 {
4048         struct ws_win           *win;
4049
4050         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
4051
4052         /* determine if we need to help unmanage this window */
4053         win = find_window(e->xunmap.window);
4054         if (win == NULL)
4055                 return;
4056
4057         /*
4058          * XXX this is a work around for going fullscreen on mplayer
4059          * remove this and find a better heuristic
4060          */
4061         if (win->floating)
4062                 return;
4063
4064         if (getstate(e->xunmap.window) == NormalState) {
4065                 unmanage_window(win);
4066                 stack();
4067         }
4068 }
4069
4070 void
4071 visibilitynotify(XEvent *e)
4072 {
4073         int                     i;
4074         struct swm_region       *r;
4075
4076         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4077             e->xvisibility.window);
4078         if (e->xvisibility.state == VisibilityUnobscured)
4079                 for (i = 0; i < ScreenCount(display); i++)
4080                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4081                                 if (e->xvisibility.window == r->bar_window)
4082                                         bar_update();
4083 }
4084
4085 int
4086 xerror_start(Display *d, XErrorEvent *ee)
4087 {
4088         other_wm = 1;
4089         return (-1);
4090 }
4091
4092 int
4093 xerror(Display *d, XErrorEvent *ee)
4094 {
4095         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4096         return (-1);
4097 }
4098
4099 int
4100 active_wm(void)
4101 {
4102         other_wm = 0;
4103         xerrorxlib = XSetErrorHandler(xerror_start);
4104
4105         /* this causes an error if some other window manager is running */
4106         XSelectInput(display, DefaultRootWindow(display),
4107             SubstructureRedirectMask);
4108         XSync(display, False);
4109         if (other_wm)
4110                 return (1);
4111
4112         XSetErrorHandler(xerror);
4113         XSync(display, False);
4114         return (0);
4115 }
4116
4117 void
4118 new_region(struct swm_screen *s, int x, int y, int w, int h)
4119 {
4120         struct swm_region       *r, *n;
4121         struct workspace        *ws = NULL;
4122         int                     i;
4123
4124         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4125              s->idx, w, h, x, y);
4126
4127         /* remove any conflicting regions */
4128         n = TAILQ_FIRST(&s->rl);
4129         while (n) {
4130                 r = n;
4131                 n = TAILQ_NEXT(r, entry);
4132                 if (X(r) < (x + w) &&
4133                     (X(r) + WIDTH(r)) > x &&
4134                     Y(r) < (y + h) &&
4135                     (Y(r) + HEIGHT(r)) > y) {
4136                         XDestroyWindow(display, r->bar_window);
4137                         TAILQ_REMOVE(&s->rl, r, entry);
4138                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4139                 }
4140         }
4141
4142         /* search old regions for one to reuse */
4143
4144         /* size + location match */
4145         TAILQ_FOREACH(r, &s->orl, entry)
4146                 if (X(r) == x && Y(r) == y &&
4147                     HEIGHT(r) == h && WIDTH(r) == w)
4148                         break;
4149
4150         /* size match */
4151         TAILQ_FOREACH(r, &s->orl, entry)
4152                 if (HEIGHT(r) == h && WIDTH(r) == w)
4153                         break;
4154
4155         if (r != NULL) {
4156                 TAILQ_REMOVE(&s->orl, r, entry);
4157                 /* try to use old region's workspace */
4158                 if (r->ws->r == NULL)
4159                         ws = r->ws;
4160         } else
4161                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4162                         errx(1, "calloc: failed to allocate memory for screen");
4163
4164         /* if we don't have a workspace already, find one */
4165         if (ws == NULL) {
4166                 for (i = 0; i < SWM_WS_MAX; i++)
4167                         if (s->ws[i].r == NULL) {
4168                                 ws = &s->ws[i];
4169                                 break;
4170                         }
4171         }
4172
4173         if (ws == NULL)
4174                 errx(1, "no free workspaces\n");
4175
4176         X(r) = x;
4177         Y(r) = y;
4178         WIDTH(r) = w;
4179         HEIGHT(r) = h;
4180         r->s = s;
4181         r->ws = ws;
4182         ws->r = r;
4183         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4184 }
4185
4186 void
4187 scan_xrandr(int i)
4188 {
4189 #ifdef SWM_XRR_HAS_CRTC
4190         XRRCrtcInfo             *ci;
4191         XRRScreenResources      *sr;
4192         int                     c;
4193         int                     ncrtc = 0;
4194 #endif /* SWM_XRR_HAS_CRTC */
4195         struct swm_region       *r;
4196
4197
4198         if (i >= ScreenCount(display))
4199                 errx(1, "invalid screen");
4200
4201         /* remove any old regions */
4202         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4203                 r->ws->old_r = r->ws->r = NULL;
4204                 XDestroyWindow(display, r->bar_window);
4205                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4206                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4207         }
4208
4209         /* map virtual screens onto physical screens */
4210 #ifdef SWM_XRR_HAS_CRTC
4211         outputs = 0;
4212         if (xrandr_support) {
4213                 sr = XRRGetScreenResources(display, screens[i].root);
4214                 if (sr == NULL)
4215                         new_region(&screens[i], 0, 0,
4216                             DisplayWidth(display, i),
4217                             DisplayHeight(display, i));
4218                 else
4219                         ncrtc = sr->ncrtc;
4220
4221                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4222                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4223                         if (ci->noutput == 0)
4224                                 continue;
4225                         outputs++;
4226
4227                         if (ci != NULL && ci->mode == None)
4228                                 new_region(&screens[i], 0, 0,
4229                                     DisplayWidth(display, i),
4230                                     DisplayHeight(display, i));
4231                         else
4232                                 new_region(&screens[i],
4233                                     ci->x, ci->y, ci->width, ci->height);
4234                 }
4235                 if (ci)
4236                         XRRFreeCrtcInfo(ci);
4237                 XRRFreeScreenResources(sr);
4238         } else
4239 #endif /* SWM_XRR_HAS_CRTC */
4240         {
4241                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4242                     DisplayHeight(display, i));
4243         }
4244 }
4245
4246 void
4247 screenchange(XEvent *e) {
4248         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4249         struct swm_region               *r;
4250         int                             i;
4251
4252         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4253
4254         if (!XRRUpdateConfiguration(e))
4255                 return;
4256
4257         /* silly event doesn't include the screen index */
4258         for (i = 0; i < ScreenCount(display); i++)
4259                 if (screens[i].root == xe->root)
4260                         break;
4261         if (i >= ScreenCount(display))
4262                 errx(1, "screenchange: screen not found\n");
4263
4264         /* brute force for now, just re-enumerate the regions */
4265         scan_xrandr(i);
4266
4267         /* add bars to all regions */
4268         for (i = 0; i < ScreenCount(display); i++)
4269                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4270                         bar_setup(r);
4271         stack();
4272 }
4273
4274 void
4275 setup_screens(void)
4276 {
4277         Window                  d1, d2, *wins = NULL;
4278         XWindowAttributes       wa;
4279         unsigned int            no;
4280         int                     i, j, k;
4281         int                     errorbase, major, minor;
4282         struct workspace        *ws;
4283         int                     ws_idx_atom;
4284         long                    state, manage;
4285
4286         if ((screens = calloc(ScreenCount(display),
4287              sizeof(struct swm_screen))) == NULL)
4288                 errx(1, "calloc: screens");
4289
4290         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4291
4292         /* initial Xrandr setup */
4293         xrandr_support = XRRQueryExtension(display,
4294             &xrandr_eventbase, &errorbase);
4295         if (xrandr_support)
4296                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4297                         xrandr_support = 0;
4298
4299         /* map physical screens */
4300         for (i = 0; i < ScreenCount(display); i++) {
4301                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4302                 screens[i].idx = i;
4303                 TAILQ_INIT(&screens[i].rl);
4304                 TAILQ_INIT(&screens[i].orl);
4305                 screens[i].root = RootWindow(display, i);
4306
4307                 /* set default colors */
4308                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4309                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4310                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4311                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4312                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4313
4314                 /* init all workspaces */
4315                 /* XXX these should be dynamically allocated too */
4316                 for (j = 0; j < SWM_WS_MAX; j++) {
4317                         ws = &screens[i].ws[j];
4318                         ws->idx = j;
4319                         ws->focus = NULL;
4320                         ws->r = NULL;
4321                         ws->old_r = NULL;
4322                         TAILQ_INIT(&ws->winlist);
4323                         TAILQ_INIT(&ws->unmanagedlist);
4324
4325                         for (k = 0; layouts[k].l_stack != NULL; k++)
4326                                 if (layouts[k].l_config != NULL)
4327                                         layouts[k].l_config(ws,
4328                                             SWM_ARG_ID_STACKINIT);
4329                         ws->cur_layout = &layouts[0];
4330                 }
4331                 /* grab existing windows (before we build the bars)*/
4332                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4333                         continue;
4334
4335                 scan_xrandr(i);
4336
4337                 if (xrandr_support)
4338                         XRRSelectInput(display, screens[i].root,
4339                             RRScreenChangeNotifyMask);
4340
4341                 /* attach windows to a region */
4342                 /* normal windows */
4343                 for (j = 0; j < no; j++) {
4344                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4345                             wa.override_redirect ||
4346                             XGetTransientForHint(display, wins[j], &d1))
4347                                 continue;
4348
4349                         state = getstate(wins[j]);
4350                         manage = state == IconicState;
4351                         if (wa.map_state == IsViewable || manage)
4352                                 manage_window(wins[j]);
4353                 }
4354                 /* transient windows */
4355                 for (j = 0; j < no; j++) {
4356                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4357                             wa.override_redirect)
4358                                 continue;
4359
4360                         state = getstate(wins[j]);
4361                         manage = state == IconicState;
4362                         if (XGetTransientForHint(display, wins[j], &d1) &&
4363                             manage)
4364                                 manage_window(wins[j]);
4365                 }
4366                 if (wins) {
4367                         XFree(wins);
4368                         wins = NULL;
4369                 }
4370         }
4371 }
4372
4373 void
4374 setup_globals(void)
4375 {
4376         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4377             == NULL)
4378                 err(1, "setup_globals: strdup");
4379         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4380             == NULL)
4381                 err(1, "setup_globals: strdup");
4382         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4383             == NULL)
4384                 err(1, "setup_globals: strdup");
4385         if ((spawn_term[0] = strdup("xterm")) == NULL)
4386                 err(1, "setup_globals: strdup");
4387 }
4388
4389 void
4390 workaround(void)
4391 {
4392         int                     i;
4393         Atom                    netwmcheck, netwmname, utf8_string;
4394         Window                  root;
4395
4396         /* work around sun jdk bugs, code from wmname */
4397         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4398         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4399         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4400         for (i = 0; i < ScreenCount(display); i++) {
4401                 root = screens[i].root;
4402                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4403                     PropModeReplace, (unsigned char *)&root, 1);
4404                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4405                     PropModeReplace, "LG3D", strlen("LG3D"));
4406         }
4407 }
4408
4409 int
4410 main(int argc, char *argv[])
4411 {
4412         struct passwd           *pwd;
4413         struct swm_region       *r, *rr;
4414         struct ws_win           *winfocus = NULL;
4415         struct timeval          tv;
4416         union arg               a;
4417         char                    conf[PATH_MAX], *cfile = NULL;
4418         struct stat             sb;
4419         XEvent                  e;
4420         int                     xfd, i;
4421         fd_set                  rd;
4422
4423         start_argv = argv;
4424         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4425             SWM_VERSION, cvstag);
4426         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4427                 warnx("no locale support");
4428
4429         if (!(display = XOpenDisplay(0)))
4430                 errx(1, "can not open display");
4431
4432         if (active_wm())
4433                 errx(1, "other wm running");
4434
4435         /* handle some signale */
4436         installsignal(SIGINT, "INT");
4437         installsignal(SIGHUP, "HUP");
4438         installsignal(SIGQUIT, "QUIT");
4439         installsignal(SIGTERM, "TERM");
4440         installsignal(SIGCHLD, "CHLD");
4441
4442         astate = XInternAtom(display, "WM_STATE", False);
4443         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4444         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4445         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4446
4447         /* look for local and global conf file */
4448         pwd = getpwuid(getuid());
4449         if (pwd == NULL)
4450                 errx(1, "invalid user %d", getuid());
4451
4452         setup_screens();
4453         setup_globals();
4454         setup_keys();
4455         setup_quirks();
4456         setup_spawn();
4457
4458         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4459         if (stat(conf, &sb) != -1) {
4460                 if (S_ISREG(sb.st_mode))
4461                         cfile = conf;
4462         } else {
4463                 /* try global conf file */
4464                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4465                 if (!stat(conf, &sb))
4466                         if (S_ISREG(sb.st_mode))
4467                                 cfile = conf;
4468         }
4469         if (cfile)
4470                 conf_load(cfile);
4471
4472         /* setup all bars */
4473         for (i = 0; i < ScreenCount(display); i++)
4474                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4475                         if (winfocus == NULL)
4476                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4477                         bar_setup(r);
4478                 }
4479
4480         /* set some values to work around bad programs */
4481         workaround();
4482
4483         grabkeys();
4484         stack();
4485
4486         xfd = ConnectionNumber(display);
4487         while (running) {
4488                 while (XPending(display)) {
4489                         XNextEvent(display, &e);
4490                         if (running == 0)
4491                                 goto done;
4492                         if (e.type < LASTEvent) {
4493                                 dumpevent(&e);
4494                                 if (handler[e.type])
4495                                         handler[e.type](&e);
4496                                 else
4497                                         DNPRINTF(SWM_D_EVENT,
4498                                             "win: %lu unknown event: %d\n",
4499                                             e.xany.window, e.type);
4500                         } else {
4501                                 switch (e.type - xrandr_eventbase) {
4502                                 case RRScreenChangeNotify:
4503                                         screenchange(&e);
4504                                         break;
4505                                 default:
4506                                         DNPRINTF(SWM_D_EVENT,
4507                                             "win: %lu unknown xrandr event: "
4508                                             "%d\n", e.xany.window, e.type);
4509                                         break;
4510                                 }
4511                         }
4512                 }
4513
4514                 /* if we are being restarted go focus on first window */
4515                 if (winfocus) {
4516                         rr = winfocus->ws->r;
4517                         if (rr == NULL) {
4518                                 /* not a visible window */
4519                                 winfocus = NULL;
4520                                 continue;
4521                         }
4522                         /* move pointer to first screen if multi screen */
4523                         if (ScreenCount(display) > 1 || outputs > 1)
4524                                 XWarpPointer(display, None, rr->s[0].root,
4525                                     0, 0, 0, 0, rr->g.x,
4526                                     rr->g.y + bar_enabled ? bar_height : 0);
4527
4528                         a.id = SWM_ARG_ID_FOCUSCUR;
4529                         focus(rr, &a);
4530                         winfocus = NULL;
4531                         continue;
4532                 }
4533
4534                 FD_ZERO(&rd);
4535                 FD_SET(xfd, &rd);
4536                 tv.tv_sec = 1;
4537                 tv.tv_usec = 0;
4538                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4539                         if (errno != EINTR)
4540                                 DNPRINTF(SWM_D_MISC, "select failed");
4541                 if (running == 0)
4542                         goto done;
4543                 if (bar_alarm) {
4544                         bar_alarm = 0;
4545                         bar_update();
4546                 }
4547         }
4548 done:
4549         bar_extra_stop();
4550
4551         XCloseDisplay(display);
4552
4553         return (0);
4554 }