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     "0.9.14"
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <ctype.h>
  70
  71 #include <sys/types.h>
  72 #include <sys/time.h>
  73 #include <sys/stat.h>
  74 #include <sys/wait.h>
  75 #include <sys/queue.h>
  76 #include <sys/param.h>
  77 #include <sys/select.h>
  78
  79 #include <X11/cursorfont.h>
  80 #include <X11/keysym.h>
  81 #include <X11/Xatom.h>
  82 #include <X11/Xlib.h>
  83 #include <X11/Xproto.h>
  84 #include <X11/Xutil.h>
  85 #include <X11/extensions/Xrandr.h>
  86
  87 #if RANDR_MAJOR < 1
  88 #  error XRandR versions less than 1.0 are not supported
  89 #endif
  90
  91 #if RANDR_MAJOR >= 1
  92 #if RANDR_MINOR >= 2
  93 #define SWM_XRR_HAS_CRTC
  94 #endif
  95 #endif
  96
  97 /* #define SWM_DEBUG */
  98 #ifdef SWM_DEBUG
  99 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 100 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 101 #define SWM_D_MISC              0x0001
 102 #define SWM_D_EVENT             0x0002
 103 #define SWM_D_WS                0x0004
 104 #define SWM_D_FOCUS             0x0008
 105 #define SWM_D_MOVE              0x0010
 106 #define SWM_D_STACK             0x0020
 107 #define SWM_D_MOUSE             0x0040
 108 #define SWM_D_PROP              0x0080
 109 #define SWM_D_CLASS             0x0100
 110 #define SWM_D_KEY               0x0200
 111 #define SWM_D_QUIRK             0x0400
 112 #define SWM_D_SPAWN             0x0800
 113 #define SWM_D_EVENTQ            0x1000
 114 #define SWM_D_CONF              0x2000
 115
 116 u_int32_t               swm_debug = 0
 117                             | SWM_D_MISC
 118                             | SWM_D_EVENT
 119                             | SWM_D_WS
 120                             | SWM_D_FOCUS
 121                             | SWM_D_MOVE
 122                             | SWM_D_STACK
 123                             | SWM_D_MOUSE
 124                             | SWM_D_PROP
 125                             | SWM_D_CLASS
 126                             | SWM_D_KEY
 127                             | SWM_D_QUIRK
 128                             | SWM_D_SPAWN
 129                             | SWM_D_EVENTQ
 130                             | SWM_D_CONF
 131                             ;
 132 #else
 133 #define DPRINTF(x...)
 134 #define DNPRINTF(n,x...)
 135 #endif
 136
 137 #define LENGTH(x)               (sizeof x / sizeof x[0])
 138 #define MODKEY                  Mod1Mask
 139 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 140 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 141 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 142 #define SWM_PROPLEN             (16)
 143 #define SWM_FUNCNAME_LEN        (32)
 144 #define SWM_KEYS_LEN            (255)
 145 #define SWM_QUIRK_LEN           (64)
 146 #define X(r)                    (r)->g.x
 147 #define Y(r)                    (r)->g.y
 148 #define WIDTH(r)                (r)->g.w
 149 #define HEIGHT(r)               (r)->g.h
 150 #define SWM_MAX_FONT_STEPS      (3)
 151
 152 #ifndef SWM_LIB
 153 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 154 #endif
 155
 156 char                    **start_argv;
 157 Atom                    astate;
 158 Atom                    aprot;
 159 Atom                    adelete;
 160 Atom                    takefocus;
 161 volatile sig_atomic_t   running = 1;
 162 int                     outputs = 0;
 163 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 164 int                     other_wm;
 165 int                     ss_enabled = 0;
 166 int                     xrandr_support;
 167 int                     xrandr_eventbase;
 168 int                     ignore_enter = 0;
 169 unsigned int            numlockmask = 0;
 170 Display                 *display;
 171
 172 int                     cycle_empty = 0;
 173 int                     cycle_visible = 0;
 174 int                     term_width = 0;
 175 int                     font_adjusted = 0;
 176 unsigned int            mod_key = MODKEY;
 177
 178 /* dialog windows */
 179 double                  dialog_ratio = .6;
 180 /* status bar */
 181 #define SWM_BAR_MAX     (256)
 182 char                    *bar_argv[] = { NULL, NULL };
 183 int                     bar_pipe[2];
 184 char                    bar_ext[SWM_BAR_MAX];
 185 char                    bar_vertext[SWM_BAR_MAX];
 186 int                     bar_version = 0;
 187 sig_atomic_t            bar_alarm = 0;
 188 int                     bar_delay = 30;
 189 int                     bar_enabled = 1;
 190 int                     bar_extra = 1;
 191 int                     bar_extra_running = 0;
 192 int                     bar_verbose = 1;
 193 int                     bar_height = 0;
 194 int                     stack_enabled = 1;
 195 int                     clock_enabled = 1;
 196 int                     title_name_enabled = 0;
 197 int                     title_class_enabled = 0;
 198 pid_t                   bar_pid;
 199 GC                      bar_gc;
 200 XGCValues               bar_gcv;
 201 int                     bar_fidx = 0;
 202 XFontStruct             *bar_fs;
 203 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 204 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 205
 206 #define SWM_MENU_FN     (2)
 207 #define SWM_MENU_NB     (4)
 208 #define SWM_MENU_NF     (6)
 209 #define SWM_MENU_SB     (8)
 210 #define SWM_MENU_SF     (10)
 211
 212 /* layout manager data */
 213 struct swm_geometry {
 214         int                     x;
 215         int                     y;
 216         int                     w;
 217         int                     h;
 218 };
 219
 220 struct swm_screen;
 221 struct workspace;
 222
 223 /* virtual "screens" */
 224 struct swm_region {
 225         TAILQ_ENTRY(swm_region) entry;
 226         struct swm_geometry     g;
 227         struct workspace        *ws;    /* current workspace on this region */
 228         struct swm_screen       *s;     /* screen idx */
 229         Window                  bar_window;
 230 };
 231 TAILQ_HEAD(swm_region_list, swm_region);
 232
 233 struct ws_win {
 234         TAILQ_ENTRY(ws_win)     entry;
 235         Window                  id;
 236         Window                  transient;
 237         struct ws_win           *child_trans;   /* transient child window */
 238         struct swm_geometry     g;
 239         int                     floating;
 240         int                     manual;
 241         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 242         int                     font_steps;
 243         int                     last_inc;
 244         int                     can_delete;
 245         int                     take_focus;
 246         int                     java;
 247         unsigned long           quirks;
 248         struct workspace        *ws;    /* always valid */
 249         struct swm_screen       *s;     /* always valid, never changes */
 250         XWindowAttributes       wa;
 251         XSizeHints              sh;
 252         XClassHint              ch;
 253 };
 254 TAILQ_HEAD(ws_win_list, ws_win);
 255
 256 /* user/key callable function IDs */
 257 enum keyfuncid {
 258         kf_cycle_layout,
 259         kf_stack_reset,
 260         kf_master_shrink,
 261         kf_master_grow,
 262         kf_master_add,
 263         kf_master_del,
 264         kf_stack_inc,
 265         kf_stack_dec,
 266         kf_swap_main,
 267         kf_focus_next,
 268         kf_focus_prev,
 269         kf_swap_next,
 270         kf_swap_prev,
 271         kf_spawn_term,
 272         kf_spawn_menu,
 273         kf_quit,
 274         kf_restart,
 275         kf_focus_main,
 276         kf_ws_1,
 277         kf_ws_2,
 278         kf_ws_3,
 279         kf_ws_4,
 280         kf_ws_5,
 281         kf_ws_6,
 282         kf_ws_7,
 283         kf_ws_8,
 284         kf_ws_9,
 285         kf_ws_10,
 286         kf_ws_next,
 287         kf_ws_prev,
 288         kf_screen_next,
 289         kf_screen_prev,
 290         kf_mvws_1,
 291         kf_mvws_2,
 292         kf_mvws_3,
 293         kf_mvws_4,
 294         kf_mvws_5,
 295         kf_mvws_6,
 296         kf_mvws_7,
 297         kf_mvws_8,
 298         kf_mvws_9,
 299         kf_mvws_10,
 300         kf_bar_toggle,
 301         kf_wind_kill,
 302         kf_wind_del,
 303         kf_screenshot_all,
 304         kf_screenshot_wind,
 305         kf_float_toggle,
 306         kf_version,
 307         kf_dumpwins,
 308         kf_spawn_lock,
 309         kf_spawn_initscr,
 310         kf_spawn_custom,
 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 void    grabbuttons(struct ws_win *, int);
 323 void    new_region(struct swm_screen *, int, int, int, int);
 324 void    unmanage_window(struct ws_win *);
 325 long    getstate(Window);
 326
 327 struct layout {
 328         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 329         void            (*l_config)(struct workspace *, int);
 330         u_int32_t       flags;
 331 #define SWM_L_FOCUSPREV         (1<<0)
 332 #define SWM_L_MAPONFOCUS        (1<<1)
 333         char            *name;
 334 } layouts[] =  {
 335         /* stack,               configure */
 336         { vertical_stack,       vertical_config,        0,      "[|]" },
 337         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 338         { max_stack,            NULL,
 339           SWM_L_FOCUSPREV | SWM_L_MAPONFOCUS,                   "[ ]"},
 340         { NULL,                 NULL,                   0},
 341 };
 342
 343 #define SWM_H_SLICE             (32)
 344 #define SWM_V_SLICE             (32)
 345
 346 /* define work spaces */
 347 struct workspace {
 348         int                     idx;            /* workspace index */
 349         struct layout           *cur_layout;    /* current layout handlers */
 350         struct ws_win           *focus;         /* may be NULL */
 351         struct ws_win           *focus_prev;    /* may be NULL */
 352         struct swm_region       *r;             /* may be NULL */
 353         struct swm_region       *old_r;         /* may be NULL */
 354         struct ws_win_list      winlist;        /* list of windows in ws */
 355         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 356
 357         /* stacker state */
 358         struct {
 359                                 int horizontal_msize;
 360                                 int horizontal_mwin;
 361                                 int horizontal_stacks;
 362                                 int vertical_msize;
 363                                 int vertical_mwin;
 364                                 int vertical_stacks;
 365         } l_state;
 366 };
 367
 368 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 369           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 370
 371 /* physical screen mapping */
 372 #define SWM_WS_MAX              (10)            /* XXX Too small? */
 373 struct swm_screen {
 374         int                     idx;            /* screen index */
 375         struct swm_region_list  rl;     /* list of regions on this screen */
 376         struct swm_region_list  orl;    /* list of old regions */
 377         Window                  root;
 378         struct workspace        ws[SWM_WS_MAX];
 379
 380         /* colors */
 381         struct {
 382                 unsigned long   color;
 383                 char            *name;
 384         } c[SWM_S_COLOR_MAX];
 385 };
 386 struct swm_screen       *screens;
 387 int                     num_screens;
 388
 389 /* args to functions */
 390 union arg {
 391         int                     id;
 392 #define SWM_ARG_ID_FOCUSNEXT    (0)
 393 #define SWM_ARG_ID_FOCUSPREV    (1)
 394 #define SWM_ARG_ID_FOCUSMAIN    (2)
 395 #define SWM_ARG_ID_SWAPNEXT     (3)
 396 #define SWM_ARG_ID_SWAPPREV     (4)
 397 #define SWM_ARG_ID_SWAPMAIN     (5)
 398 #define SWM_ARG_ID_MASTERSHRINK (6)
 399 #define SWM_ARG_ID_MASTERGROW   (7)
 400 #define SWM_ARG_ID_MASTERADD    (8)
 401 #define SWM_ARG_ID_MASTERDEL    (9)
 402 #define SWM_ARG_ID_STACKRESET   (10)
 403 #define SWM_ARG_ID_STACKINIT    (11)
 404 #define SWM_ARG_ID_CYCLEWS_UP   (12)
 405 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
 406 #define SWM_ARG_ID_CYCLESC_UP   (14)
 407 #define SWM_ARG_ID_CYCLESC_DOWN (15)
 408 #define SWM_ARG_ID_STACKINC     (16)
 409 #define SWM_ARG_ID_STACKDEC     (17)
 410 #define SWM_ARG_ID_SS_ALL       (0)
 411 #define SWM_ARG_ID_SS_WINDOW    (1)
 412 #define SWM_ARG_ID_DONTCENTER   (0)
 413 #define SWM_ARG_ID_CENTER       (1)
 414 #define SWM_ARG_ID_KILLWINDOW   (0)
 415 #define SWM_ARG_ID_DELETEWINDOW (1)
 416         char                    **argv;
 417 };
 418
 419 /* quirks */
 420 struct quirk {
 421         char                    *class;
 422         char                    *name;
 423         unsigned long           quirk;
 424 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 425 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 426 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 427 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 428 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 429 };
 430 int                             quirks_size = 0, quirks_length = 0;
 431 struct quirk                    *quirks = NULL;
 432
 433 /* events */
 434 #ifdef SWM_DEBUG
 435 void
 436 dumpevent(XEvent *e)
 437 {
 438         char                    *name = NULL;
 439
 440         switch (e->type) {
 441         case KeyPress:
 442                 name = "KeyPress";
 443                 break;
 444         case KeyRelease:
 445                 name = "KeyRelease";
 446                 break;
 447         case ButtonPress:
 448                 name = "ButtonPress";
 449                 break;
 450         case ButtonRelease:
 451                 name = "ButtonRelease";
 452                 break;
 453         case MotionNotify:
 454                 name = "MotionNotify";
 455                 break;
 456         case EnterNotify:
 457                 name = "EnterNotify";
 458                 break;
 459         case LeaveNotify:
 460                 name = "LeaveNotify";
 461                 break;
 462         case FocusIn:
 463                 name = "FocusIn";
 464                 break;
 465         case FocusOut:
 466                 name = "FocusOut";
 467                 break;
 468         case KeymapNotify:
 469                 name = "KeymapNotify";
 470                 break;
 471         case Expose:
 472                 name = "Expose";
 473                 break;
 474         case GraphicsExpose:
 475                 name = "GraphicsExpose";
 476                 break;
 477         case NoExpose:
 478                 name = "NoExpose";
 479                 break;
 480         case VisibilityNotify:
 481                 name = "VisibilityNotify";
 482                 break;
 483         case CreateNotify:
 484                 name = "CreateNotify";
 485                 break;
 486         case DestroyNotify:
 487                 name = "DestroyNotify";
 488                 break;
 489         case UnmapNotify:
 490                 name = "UnmapNotify";
 491                 break;
 492         case MapNotify:
 493                 name = "MapNotify";
 494                 break;
 495         case MapRequest:
 496                 name = "MapRequest";
 497                 break;
 498         case ReparentNotify:
 499                 name = "ReparentNotify";
 500                 break;
 501         case ConfigureNotify:
 502                 name = "ConfigureNotify";
 503                 break;
 504         case ConfigureRequest:
 505                 name = "ConfigureRequest";
 506                 break;
 507         case GravityNotify:
 508                 name = "GravityNotify";
 509                 break;
 510         case ResizeRequest:
 511                 name = "ResizeRequest";
 512                 break;
 513         case CirculateNotify:
 514                 name = "CirculateNotify";
 515                 break;
 516         case CirculateRequest:
 517                 name = "CirculateRequest";
 518                 break;
 519         case PropertyNotify:
 520                 name = "PropertyNotify";
 521                 break;
 522         case SelectionClear:
 523                 name = "SelectionClear";
 524                 break;
 525         case SelectionRequest:
 526                 name = "SelectionRequest";
 527                 break;
 528         case SelectionNotify:
 529                 name = "SelectionNotify";
 530                 break;
 531         case ColormapNotify:
 532                 name = "ColormapNotify";
 533                 break;
 534         case ClientMessage:
 535                 name = "ClientMessage";
 536                 break;
 537         case MappingNotify:
 538                 name = "MappingNotify";
 539                 break;
 540         }
 541
 542         if (name)
 543                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 544                     "remaining\n",
 545                     e->xany.window, name, e->type, QLength(display));
 546         else
 547                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 548                     "remaining\n",
 549                     e->xany.window, e->type, QLength(display));
 550 }
 551
 552 void
 553 dumpwins(struct swm_region *r, union arg *args)
 554 {
 555         struct ws_win           *win;
 556         unsigned int            state;
 557         XWindowAttributes       wa;
 558
 559         if (r->ws == NULL) {
 560                 fprintf(stderr, "invalid workspace\n");
 561                 return;
 562         }
 563
 564         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 565
 566         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 567                 state = getstate(win->id);
 568                 if (!XGetWindowAttributes(display, win->id, &wa))
 569                         fprintf(stderr, "window: %lu failed "
 570                             "XGetWindowAttributes\n", win->id);
 571                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 572                     win->id, wa.map_state, state);
 573         }
 574
 575         fprintf(stderr, "===== unmanaged window list =====\n");
 576         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 577                 state = getstate(win->id);
 578                 if (!XGetWindowAttributes(display, win->id, &wa))
 579                         fprintf(stderr, "window: %lu failed "
 580                             "XGetWindowAttributes\n", win->id);
 581                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 582                     win->id, wa.map_state, state);
 583         }
 584
 585         fprintf(stderr, "=================================\n");
 586 }
 587 #else
 588 #define dumpevent(e)
 589 void
 590 dumpwins(struct swm_region *r, union arg *args)
 591 {
 592 }
 593 #endif /* SWM_DEBUG */
 594
 595 void                    expose(XEvent *);
 596 void                    keypress(XEvent *);
 597 void                    buttonpress(XEvent *);
 598 void                    configurerequest(XEvent *);
 599 void                    configurenotify(XEvent *);
 600 void                    destroynotify(XEvent *);
 601 void                    enternotify(XEvent *);
 602 void                    focusin(XEvent *);
 603 void                    focusout(XEvent *);
 604 void                    mapnotify(XEvent *);
 605 void                    mappingnotify(XEvent *);
 606 void                    maprequest(XEvent *);
 607 void                    propertynotify(XEvent *);
 608 void                    unmapnotify(XEvent *);
 609 void                    visibilitynotify(XEvent *);
 610
 611 void                    (*handler[LASTEvent])(XEvent *) = {
 612                                 [Expose] = expose,
 613                                 [KeyPress] = keypress,
 614                                 [ButtonPress] = buttonpress,
 615                                 [ConfigureRequest] = configurerequest,
 616                                 [ConfigureNotify] = configurenotify,
 617                                 [DestroyNotify] = destroynotify,
 618                                 [EnterNotify] = enternotify,
 619                                 [FocusIn] = focusin,
 620                                 [FocusOut] = focusout,
 621                                 [MapNotify] = mapnotify,
 622                                 [MappingNotify] = mappingnotify,
 623                                 [MapRequest] = maprequest,
 624                                 [PropertyNotify] = propertynotify,
 625                                 [UnmapNotify] = unmapnotify,
 626                                 [VisibilityNotify] = visibilitynotify,
 627 };
 628
 629 void
 630 sighdlr(int sig)
 631 {
 632         pid_t                   pid;
 633
 634         switch (sig) {
 635         case SIGCHLD:
 636                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 637                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 638                         if (pid <= 0)
 639                                 break;
 640                 }
 641                 break;
 642         case SIGINT:
 643         case SIGTERM:
 644         case SIGHUP:
 645         case SIGQUIT:
 646                 running = 0;
 647                 break;
 648         }
 649 }
 650
 651 void
 652 installsignal(int sig, char *name)
 653 {
 654         struct sigaction        sa;
 655
 656         sa.sa_handler = sighdlr;
 657         sigemptyset(&sa.sa_mask);
 658         sa.sa_flags = 0;
 659         if (sigaction(sig, &sa, NULL) == -1)
 660                 err(1, "could not install %s handler", name);
 661 }
 662
 663 unsigned long
 664 name_to_color(char *colorname)
 665 {
 666         Colormap                cmap;
 667         Status                  status;
 668         XColor                  screen_def, exact_def;
 669         unsigned long           result = 0;
 670         char                    cname[32] = "#";
 671
 672         cmap = DefaultColormap(display, screens[0].idx);
 673         status = XAllocNamedColor(display, cmap, colorname,
 674             &screen_def, &exact_def);
 675         if (!status) {
 676                 strlcat(cname, colorname + 2, sizeof cname - 1);
 677                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 678                     &exact_def);
 679         }
 680         if (status)
 681                 result = screen_def.pixel;
 682         else
 683                 fprintf(stderr, "color '%s' not found.\n", colorname);
 684
 685         return (result);
 686 }
 687
 688 void
 689 setscreencolor(char *val, int i, int c)
 690 {
 691         if (i > 0 && i <= ScreenCount(display)) {
 692                 screens[i - 1].c[c].color = name_to_color(val);
 693                 free(screens[i - 1].c[c].name);
 694                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 695                         errx(1, "strdup");
 696         } else if (i == -1) {
 697                 for (i = 0; i < ScreenCount(display); i++) {
 698                         screens[i].c[c].color = name_to_color(val);
 699                         free(screens[i].c[c].name);
 700                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 701                                 errx(1, "strdup");
 702                 }
 703         } else
 704                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 705                     i, ScreenCount(display));
 706 }
 707
 708 void
 709 custom_region(char *val)
 710 {
 711         unsigned int                    sidx, x, y, w, h;
 712
 713         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 714                 errx(1, "invalid custom region, "
 715                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 716         if (sidx < 1 || sidx > ScreenCount(display))
 717                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 718                     sidx, ScreenCount(display));
 719         sidx--;
 720
 721         if (w < 1 || h < 1)
 722                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 723
 724         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 725             y < 0 || y > DisplayHeight(display, sidx) ||
 726             w + x > DisplayWidth(display, sidx) ||
 727             h + y > DisplayHeight(display, sidx))
 728                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 729                     "(%ux%u)\n", w, h, x, y,
 730                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 731
 732         new_region(&screens[sidx], x, y, w, h);
 733 }
 734
 735 void
 736 socket_setnonblock(int fd)
 737 {
 738         int                     flags;
 739
 740         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 741                 err(1, "fcntl F_GETFL");
 742         flags |= O_NONBLOCK;
 743         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 744                 err(1, "fcntl F_SETFL");
 745 }
 746
 747 void
 748 bar_print(struct swm_region *r, char *s)
 749 {
 750         XClearWindow(display, r->bar_window);
 751         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 752         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 753             strlen(s));
 754 }
 755
 756 void
 757 bar_extra_stop(void)
 758 {
 759         if (bar_pipe[0]) {
 760                 close(bar_pipe[0]);
 761                 bzero(bar_pipe, sizeof bar_pipe);
 762         }
 763         if (bar_pid) {
 764                 kill(bar_pid, SIGTERM);
 765                 bar_pid = 0;
 766         }
 767         strlcpy(bar_ext, "", sizeof bar_ext);
 768         bar_extra = 0;
 769 }
 770
 771 void
 772 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 773 {
 774         int                     do_class, do_name;
 775         Status                  status;
 776         XClassHint              *xch = NULL;
 777
 778         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 779             cur_focus != NULL) {
 780                 if ((xch = XAllocClassHint()) == NULL)
 781                         goto out;
 782                 status = XGetClassHint(display, cur_focus->id, xch);
 783                 if (status == BadWindow || status == BadAlloc)
 784                         goto out;
 785                 do_class = (title_class_enabled && xch->res_class != NULL);
 786                 do_name = (title_name_enabled && xch->res_name != NULL);
 787                 if (do_class)
 788                         strlcat(s, xch->res_class, sz);
 789                 if (do_class && do_name)
 790                         strlcat(s, ":", sz);
 791                 if (do_name)
 792                         strlcat(s, xch->res_name, sz);
 793                 strlcat(s, "    ", sz);
 794         }
 795 out:
 796         if (xch)
 797                 XFree(xch);
 798 }
 799
 800 void
 801 bar_update(void)
 802 {
 803         time_t                  tmt;
 804         struct tm               tm;
 805         struct swm_region       *r;
 806         int                     i, x;
 807         size_t                  len;
 808         char                    s[SWM_BAR_MAX];
 809         char                    loc[SWM_BAR_MAX];
 810         char                    *b;
 811         char                    *stack = "";
 812
 813         if (bar_enabled == 0)
 814                 return;
 815         if (bar_extra && bar_extra_running) {
 816                 /* ignore short reads; it'll correct itself */
 817                 while ((b = fgetln(stdin, &len)) != NULL)
 818                         if (b && b[len - 1] == '\n') {
 819                                 b[len - 1] = '\0';
 820                                 strlcpy(bar_ext, b, sizeof bar_ext);
 821                         }
 822                 if (b == NULL && errno != EAGAIN) {
 823                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 824                             errno, strerror(errno));
 825                         bar_extra_stop();
 826                 }
 827         } else
 828                 strlcpy(bar_ext, "", sizeof bar_ext);
 829
 830         if (clock_enabled == 0)
 831                 strlcpy(s, "", sizeof s);
 832         else {
 833                 time(&tmt);
 834                 localtime_r(&tmt, &tm);
 835                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 836         }
 837
 838         for (i = 0; i < ScreenCount(display); i++) {
 839                 x = 1;
 840                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 841                         if (r && r->ws)
 842                                 bar_class_name(s, sizeof s, r->ws->focus);
 843
 844                         if (stack_enabled)
 845                                 stack = r->ws->cur_layout->name;
 846
 847                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 848                             x++, r->ws->idx + 1, stack, s, bar_ext,
 849                             bar_vertext);
 850                         bar_print(r, loc);
 851                 }
 852         }
 853         alarm(bar_delay);
 854 }
 855
 856 void
 857 bar_signal(int sig)
 858 {
 859         bar_alarm = 1;
 860 }
 861
 862 void
 863 bar_toggle(struct swm_region *r, union arg *args)
 864 {
 865         struct swm_region       *tmpr;
 866         int                     i, sc = ScreenCount(display);
 867
 868         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 869
 870         if (bar_enabled)
 871                 for (i = 0; i < sc; i++)
 872                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 873                                 XUnmapWindow(display, tmpr->bar_window);
 874         else
 875                 for (i = 0; i < sc; i++)
 876                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 877                                 XMapRaised(display, tmpr->bar_window);
 878
 879         bar_enabled = !bar_enabled;
 880
 881         stack();
 882         /* must be after stack */
 883         bar_update();
 884 }
 885
 886 void
 887 bar_refresh(void)
 888 {
 889         XSetWindowAttributes    wa;
 890         struct swm_region       *r;
 891         int                     i;
 892
 893         /* do this here because the conf file is in memory */
 894         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 895                 /* launch external status app */
 896                 bar_extra_running = 1;
 897                 if (pipe(bar_pipe) == -1)
 898                         err(1, "pipe error");
 899                 socket_setnonblock(bar_pipe[0]);
 900                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 901                 if (dup2(bar_pipe[0], 0) == -1)
 902                         errx(1, "dup2");
 903                 if (dup2(bar_pipe[1], 1) == -1)
 904                         errx(1, "dup2");
 905                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 906                         err(1, "could not disable SIGPIPE");
 907                 switch (bar_pid = fork()) {
 908                 case -1:
 909                         err(1, "cannot fork");
 910                         break;
 911                 case 0: /* child */
 912                         close(bar_pipe[0]);
 913                         execvp(bar_argv[0], bar_argv);
 914                         err(1, "%s external app failed", bar_argv[0]);
 915                         break;
 916                 default: /* parent */
 917                         close(bar_pipe[1]);
 918                         break;
 919                 }
 920         }
 921
 922         bzero(&wa, sizeof wa);
 923         for (i = 0; i < ScreenCount(display); i++)
 924                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 925                         wa.border_pixel =
 926                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 927                         wa.background_pixel =
 928                             screens[i].c[SWM_S_COLOR_BAR].color;
 929                         XChangeWindowAttributes(display, r->bar_window,
 930                             CWBackPixel | CWBorderPixel, &wa);
 931                 }
 932         bar_update();
 933 }
 934
 935 void
 936 bar_setup(struct swm_region *r)
 937 {
 938         int                     i;
 939
 940         for (i = 0; bar_fonts[i] != NULL; i++) {
 941                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 942                 if (bar_fs) {
 943                         bar_fidx = i;
 944                         break;
 945                 }
 946         }
 947         if (bar_fonts[i] == NULL)
 948                         errx(1, "couldn't load font");
 949         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 950
 951         r->bar_window = XCreateSimpleWindow(display,
 952             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 953             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 954             r->s->c[SWM_S_COLOR_BAR].color);
 955         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 956         XSetFont(display, bar_gc, bar_fs->fid);
 957         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 958         if (bar_enabled)
 959                 XMapRaised(display, r->bar_window);
 960         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 961
 962         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 963                 err(1, "could not install bar_signal");
 964         bar_refresh();
 965 }
 966
 967 void
 968 set_win_state(struct ws_win *win, long state)
 969 {
 970         long                    data[] = {state, None};
 971
 972         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 973
 974         if (win == NULL)
 975                 return;
 976
 977         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 978             (unsigned char *)data, 2);
 979 }
 980
 981 long
 982 getstate(Window w)
 983 {
 984         int                     format, status;
 985         long                    result = -1;
 986         unsigned char           *p = NULL;
 987         unsigned long           n, extra;
 988         Atom                    real;
 989
 990         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 991             &real, &format, &n, &extra, (unsigned char **)&p);
 992         if (status != Success)
 993                 return (-1);
 994         if (n != 0)
 995                 result = *((long *)p);
 996         XFree(p);
 997         return (result);
 998 }
 999
1000 void
1001 version(struct swm_region *r, union arg *args)
1002 {
1003         bar_version = !bar_version;
1004         if (bar_version)
1005                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1006                     SWM_VERSION, cvstag);
1007         else
1008                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1009         bar_update();
1010 }
1011
1012 void
1013 client_msg(struct ws_win *win, Atom a)
1014 {
1015         XClientMessageEvent     cm;
1016
1017         if (win == NULL)
1018                 return;
1019
1020         bzero(&cm, sizeof cm);
1021         cm.type = ClientMessage;
1022         cm.window = win->id;
1023         cm.message_type = aprot;
1024         cm.format = 32;
1025         cm.data.l[0] = a;
1026         cm.data.l[1] = CurrentTime;
1027         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1028 }
1029
1030 void
1031 configreq_win(struct ws_win *win)
1032 {
1033         XConfigureRequestEvent  cr;
1034
1035         if (win == NULL)
1036                 return;
1037
1038         bzero(&cr, sizeof cr);
1039         cr.type = ConfigureRequest;
1040         cr.display = display;
1041         cr.parent = win->id;
1042         cr.window = win->id;
1043         cr.x = win->g.x;
1044         cr.y = win->g.y;
1045         cr.width = win->g.w;
1046         cr.height = win->g.h;
1047         cr.border_width = 1;
1048
1049         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&cr);
1050 }
1051
1052 void
1053 config_win(struct ws_win *win)
1054 {
1055         XConfigureEvent         ce;
1056
1057         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1058             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1059
1060         if (win == NULL)
1061                 return;
1062
1063         ce.type = ConfigureNotify;
1064         ce.display = display;
1065         ce.event = win->id;
1066         ce.window = win->id;
1067         ce.x = win->g.x;
1068         ce.y = win->g.y;
1069         ce.width = win->g.w;
1070         ce.height = win->g.h;
1071         ce.border_width = 1; /* XXX store this! */
1072         ce.above = None;
1073         ce.override_redirect = False;
1074         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1075 }
1076
1077 int
1078 count_win(struct workspace *ws, int count_transient)
1079 {
1080         struct ws_win           *win;
1081         int                     count = 0;
1082
1083         TAILQ_FOREACH(win, &ws->winlist, entry) {
1084                 if (count_transient == 0 && win->floating)
1085                         continue;
1086                 if (count_transient == 0 && win->transient)
1087                         continue;
1088                 count++;
1089         }
1090         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1091
1092         return (count);
1093 }
1094
1095 void
1096 quit(struct swm_region *r, union arg *args)
1097 {
1098         DNPRINTF(SWM_D_MISC, "quit\n");
1099         running = 0;
1100 }
1101
1102 void
1103 unmap_window(struct ws_win *win)
1104 {
1105         if (win == NULL)
1106                 return;
1107
1108         /* don't unmap again */
1109         if (getstate(win->id) == IconicState)
1110                 return;
1111
1112         set_win_state(win, IconicState);
1113
1114         XUnmapWindow(display, win->id);
1115 }
1116
1117 void
1118 unmap_all(void)
1119 {
1120         struct ws_win           *win;
1121         int                     i, j;
1122
1123         for (i = 0; i < ScreenCount(display); i++)
1124                 for (j = 0; j < SWM_WS_MAX; j++)
1125                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1126                                 unmap_window(win);
1127 }
1128
1129 void
1130 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1131 {
1132         XKeyEvent event;
1133
1134         if (win == NULL)
1135                 return;
1136
1137         event.display = display;        /* Ignored, but what the hell */
1138         event.window = win->id;
1139         event.root = win->s->root;
1140         event.subwindow = None;
1141         event.time = CurrentTime;
1142         event.x = win->g.x;
1143         event.y = win->g.y;
1144         event.x_root = 1;
1145         event.y_root = 1;
1146         event.same_screen = True;
1147         event.keycode = XKeysymToKeycode(display, keysym);
1148         event.state = modifiers;
1149
1150         event.type = KeyPress;
1151         XSendEvent(event.display, event.window, True,
1152             KeyPressMask, (XEvent *)&event);
1153
1154         event.type = KeyRelease;
1155         XSendEvent(event.display, event.window, True,
1156             KeyPressMask, (XEvent *)&event);
1157
1158 }
1159
1160 void
1161 restart(struct swm_region *r, union arg *args)
1162 {
1163         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1164
1165         /* disable alarm because the following code may not be interrupted */
1166         alarm(0);
1167         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1168                 errx(1, "can't disable alarm");
1169
1170         bar_extra_stop();
1171         bar_extra = 1;
1172         unmap_all();
1173         XCloseDisplay(display);
1174         execvp(start_argv[0], start_argv);
1175         fprintf(stderr, "execvp failed\n");
1176         perror(" failed");
1177         quit(NULL, NULL);
1178 }
1179
1180 struct swm_region *
1181 root_to_region(Window root)
1182 {
1183         struct swm_region       *r = NULL;
1184         Window                  rr, cr;
1185         int                     i, x, y, wx, wy;
1186         unsigned int            mask;
1187
1188         for (i = 0; i < ScreenCount(display); i++)
1189                 if (screens[i].root == root)
1190                         break;
1191
1192         if (XQueryPointer(display, screens[i].root,
1193             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1194                 /* choose a region based on pointer location */
1195                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1196                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1197                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1198                                 break;
1199         }
1200
1201         if (r == NULL)
1202                 r = TAILQ_FIRST(&screens[i].rl);
1203
1204         return (r);
1205 }
1206
1207 struct ws_win *
1208 find_unmanaged_window(Window id)
1209 {
1210         struct ws_win           *win;
1211         int                     i, j;
1212
1213         for (i = 0; i < ScreenCount(display); i++)
1214                 for (j = 0; j < SWM_WS_MAX; j++)
1215                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1216                             entry)
1217                                 if (id == win->id)
1218                                         return (win);
1219         return (NULL);
1220 }
1221
1222 struct ws_win *
1223 find_window(Window id)
1224 {
1225         struct ws_win           *win;
1226         int                     i, j;
1227
1228         for (i = 0; i < ScreenCount(display); i++)
1229                 for (j = 0; j < SWM_WS_MAX; j++)
1230                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1231                                 if (id == win->id)
1232                                         return (win);
1233         return (NULL);
1234 }
1235
1236 void
1237 spawn(struct swm_region *r, union arg *args)
1238 {
1239         char                    *ret;
1240         int                     si;
1241
1242         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1243         /*
1244          * The double-fork construct avoids zombie processes and keeps the code
1245          * clean from stupid signal handlers.
1246          */
1247         if (fork() == 0) {
1248                 if (fork() == 0) {
1249                         if (display)
1250                                 close(ConnectionNumber(display));
1251                         setenv("LD_PRELOAD", SWM_LIB, 1);
1252                         if (asprintf(&ret, "%d", r->ws->idx)) {
1253                                 setenv("_SWM_WS", ret, 1);
1254                                 free(ret);
1255                         }
1256                         if (asprintf(&ret, "%d", getpid())) {
1257                                 setenv("_SWM_PID", ret, 1);
1258                                 free(ret);
1259                         }
1260                         setsid();
1261                         /* kill stdin, mplayer, ssh-add etc. need that */
1262                         si = open("/dev/null", O_RDONLY, 0);
1263                         if (si == -1)
1264                                 err(1, "open /dev/null");
1265                         if (dup2(si, 0) == -1)
1266                                 err(1, "dup2 /dev/null");
1267                         execvp(args->argv[0], args->argv);
1268                         fprintf(stderr, "execvp failed\n");
1269                         perror(" failed");
1270                 }
1271                 exit(0);
1272         }
1273 }
1274
1275 void
1276 spawnterm(struct swm_region *r, union arg *args)
1277 {
1278         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1279
1280         if (term_width)
1281                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1282         spawn(r, args);
1283 }
1284
1285 void
1286 unfocus_win(struct ws_win *win)
1287 {
1288         if (win == NULL)
1289                 return;
1290         if (win->ws == NULL)
1291                 return;
1292         if (win->ws->r == NULL)
1293                 return;
1294
1295         if (win->ws->focus == win) {
1296                 win->ws->focus = NULL;
1297                 win->ws->focus_prev = win;
1298         }
1299
1300         grabbuttons(win, 0);
1301         XSetWindowBorder(display, win->id,
1302             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1303 }
1304
1305 void
1306 unfocus_all(void)
1307 {
1308         struct ws_win           *win;
1309         int                     i, j;
1310
1311         DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1312
1313         for (i = 0; i < ScreenCount(display); i++)
1314                 for (j = 0; j < SWM_WS_MAX; j++)
1315                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1316                                 unfocus_win(win);
1317 }
1318
1319 void
1320 focus_win(struct ws_win *win)
1321 {
1322         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1323
1324         if (win == NULL)
1325                 return;
1326         if (win->ws == NULL)
1327                 return;
1328
1329         /* use big hammer to make sure it works under all use cases */
1330         unfocus_all();
1331         win->ws->focus = win;
1332
1333         if (win->ws->r != NULL) {
1334                 grabbuttons(win, 1);
1335                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1336                         XMapRaised(display, win->id);
1337                 XSetWindowBorder(display, win->id,
1338                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1339                 if (win->java == 0)
1340                         XSetInputFocus(display, win->id,
1341                             RevertToPointerRoot, CurrentTime);
1342         }
1343 }
1344
1345 void
1346 switchws(struct swm_region *r, union arg *args)
1347 {
1348         int                     wsid = args->id;
1349         struct swm_region       *this_r, *other_r;
1350         struct ws_win           *win, *winfocus = NULL, *parent = NULL;
1351         struct workspace        *new_ws, *old_ws;
1352
1353         if (!(r && r->s))
1354                 return;
1355
1356         this_r = r;
1357         old_ws = this_r->ws;
1358         new_ws = &this_r->s->ws[wsid];
1359
1360         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1361             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1362             old_ws->idx, wsid);
1363
1364         if (new_ws == NULL || old_ws == NULL)
1365                 return;
1366         if (new_ws == old_ws)
1367                 return;
1368
1369         /* get focus window */
1370         if (new_ws->focus)
1371                 winfocus = new_ws->focus;
1372         else if (new_ws->focus_prev)
1373                 winfocus = new_ws->focus_prev;
1374         else
1375                 winfocus = TAILQ_FIRST(&new_ws->winlist);
1376
1377         other_r = new_ws->r;
1378         if (other_r == NULL) {
1379                 /* if the other workspace is hidden, switch windows */
1380                 if (old_ws->r != NULL)
1381                         old_ws->old_r = old_ws->r;
1382                 old_ws->r = NULL;
1383
1384                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1385                         unmap_window(win);
1386         } else {
1387                 other_r->ws = old_ws;
1388                 old_ws->r = other_r;
1389         }
1390         this_r->ws = new_ws;
1391         new_ws->r = this_r;
1392
1393         ignore_enter = 1;
1394         stack();
1395         if (winfocus) {
1396                 /* make sure we see the parent window */
1397                 if (winfocus->transient) {
1398                         parent = find_window(winfocus->transient);
1399                         if (parent)
1400                                 focus_win(parent);
1401                 }
1402
1403                 focus_win(winfocus);
1404         }
1405         ignore_enter = 0;
1406         bar_update();
1407 }
1408
1409 void
1410 cyclews(struct swm_region *r, union arg *args)
1411 {
1412         union                   arg a;
1413         struct swm_screen       *s = r->s;
1414
1415         DNPRINTF(SWM_D_WS, "cyclews id %d "
1416             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1417             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1418
1419         a.id = r->ws->idx;
1420         do {
1421                 switch (args->id) {
1422                 case SWM_ARG_ID_CYCLEWS_UP:
1423                         if (a.id < SWM_WS_MAX - 1)
1424                                 a.id++;
1425                         else
1426                                 a.id = 0;
1427                         break;
1428                 case SWM_ARG_ID_CYCLEWS_DOWN:
1429                         if (a.id > 0)
1430                                 a.id--;
1431                         else
1432                                 a.id = SWM_WS_MAX - 1;
1433                         break;
1434                 default:
1435                         return;
1436                 };
1437
1438                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1439                         continue;
1440                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1441                         continue;
1442
1443                 switchws(r, &a);
1444         } while (a.id != r->ws->idx);
1445 }
1446
1447 void
1448 cyclescr(struct swm_region *r, union arg *args)
1449 {
1450         struct swm_region       *rr = NULL;
1451         struct workspace        *ws = NULL;
1452         struct ws_win           *winfocus = NULL;
1453         int                     i, x, y;
1454
1455         /* do nothing if we don't have more than one screen */
1456         if (!(ScreenCount(display) > 1 || outputs > 1))
1457                 return;
1458
1459         i = r->s->idx;
1460         switch (args->id) {
1461         case SWM_ARG_ID_CYCLESC_UP:
1462                 rr = TAILQ_NEXT(r, entry);
1463                 if (rr == NULL)
1464                         rr = TAILQ_FIRST(&screens[i].rl);
1465                 break;
1466         case SWM_ARG_ID_CYCLESC_DOWN:
1467                 rr = TAILQ_PREV(r, swm_region_list, entry);
1468                 if (rr == NULL)
1469                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1470                 break;
1471         default:
1472                 return;
1473         };
1474         if (rr == NULL)
1475                 return;
1476
1477         ws = rr->ws;
1478         winfocus = ws->focus;
1479         if (winfocus == NULL)
1480                 winfocus = ws->focus_prev;
1481         if (winfocus) {
1482                 /* use window coordinates */
1483                 x = winfocus->g.x + 1;
1484                 y = winfocus->g.y + 1;
1485         } else {
1486                 /* use region coordinates */
1487                 x = rr->g.x + 1;
1488                 y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1489         }
1490
1491         unfocus_all();
1492         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1493         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1494
1495         focus_win(winfocus);
1496 }
1497
1498 void
1499 swapwin(struct swm_region *r, union arg *args)
1500 {
1501         struct ws_win           *target, *source;
1502         struct ws_win           *cur_focus;
1503         struct ws_win_list      *wl;
1504
1505
1506         DNPRINTF(SWM_D_WS, "swapwin id %d "
1507             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1508             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1509
1510         cur_focus = r->ws->focus;
1511         if (cur_focus == NULL)
1512                 return;
1513
1514         source = cur_focus;
1515         wl = &source->ws->winlist;
1516
1517         switch (args->id) {
1518         case SWM_ARG_ID_SWAPPREV:
1519                 target = TAILQ_PREV(source, ws_win_list, entry);
1520                 TAILQ_REMOVE(wl, cur_focus, entry);
1521                 if (target == NULL)
1522                         TAILQ_INSERT_TAIL(wl, source, entry);
1523                 else
1524                         TAILQ_INSERT_BEFORE(target, source, entry);
1525                 break;
1526         case SWM_ARG_ID_SWAPNEXT:
1527                 target = TAILQ_NEXT(source, entry);
1528                 TAILQ_REMOVE(wl, source, entry);
1529                 if (target == NULL)
1530                         TAILQ_INSERT_HEAD(wl, source, entry);
1531                 else
1532                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1533                 break;
1534         case SWM_ARG_ID_SWAPMAIN:
1535                 target = TAILQ_FIRST(wl);
1536                 if (target == source) {
1537                         if (source->ws->focus_prev != NULL &&
1538                             source->ws->focus_prev != target)
1539
1540                                 source = source->ws->focus_prev;
1541                         else
1542                                 return;
1543                 }
1544                 if (target == NULL || source == NULL)
1545                         return;
1546                 source->ws->focus_prev = target;
1547                 TAILQ_REMOVE(wl, target, entry);
1548                 TAILQ_INSERT_BEFORE(source, target, entry);
1549                 TAILQ_REMOVE(wl, source, entry);
1550                 TAILQ_INSERT_HEAD(wl, source, entry);
1551                 break;
1552         default:
1553                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1554                 return;
1555         }
1556
1557         ignore_enter = 1;
1558         stack();
1559 }
1560
1561 void
1562 focus(struct swm_region *r, union arg *args)
1563 {
1564         struct ws_win           *winfocus, *winlostfocus;
1565         struct ws_win_list      *wl;
1566         struct ws_win           *cur_focus;
1567
1568         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1569
1570         cur_focus = r->ws->focus;
1571         if (cur_focus == NULL)
1572                 return;
1573
1574         wl = &cur_focus->ws->winlist;
1575
1576         winlostfocus = cur_focus;
1577
1578         switch (args->id) {
1579         case SWM_ARG_ID_FOCUSPREV:
1580                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1581                 if (winfocus == NULL)
1582                         winfocus = TAILQ_LAST(wl, ws_win_list);
1583                 break;
1584
1585         case SWM_ARG_ID_FOCUSNEXT:
1586                 winfocus = TAILQ_NEXT(cur_focus, entry);
1587                 if (winfocus == NULL)
1588                         winfocus = TAILQ_FIRST(wl);
1589                 break;
1590
1591         case SWM_ARG_ID_FOCUSMAIN:
1592                 winfocus = TAILQ_FIRST(wl);
1593                 if (winfocus == cur_focus)
1594                         winfocus = cur_focus->ws->focus_prev;
1595                 if (winfocus == NULL)
1596                         return;
1597                 break;
1598
1599         default:
1600                 return;
1601         }
1602
1603         if (winfocus == winlostfocus || winfocus == NULL)
1604                 return;
1605
1606         focus_win(winfocus);
1607 }
1608
1609 void
1610 cycle_layout(struct swm_region *r, union arg *args)
1611 {
1612         struct workspace        *ws = r->ws;
1613         struct ws_win           *winfocus, *parent = NULL;
1614
1615         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1616
1617         winfocus = ws->focus;
1618
1619         ws->cur_layout++;
1620         if (ws->cur_layout->l_stack == NULL)
1621                 ws->cur_layout = &layouts[0];
1622
1623         ignore_enter = 1;
1624         stack();
1625         /* make sure we see the parent window */
1626         if (winfocus) {
1627                 if (winfocus->transient)
1628                         parent = find_window(winfocus->transient);
1629                 if (parent)
1630                         focus_win(parent);
1631                 focus_win(winfocus);
1632         }
1633         ignore_enter = 0;
1634 }
1635
1636 void
1637 stack_config(struct swm_region *r, union arg *args)
1638 {
1639         struct workspace        *ws = r->ws;
1640
1641         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1642             args->id, ws->idx);
1643
1644         if (ws->cur_layout->l_config != NULL)
1645                 ws->cur_layout->l_config(ws, args->id);
1646
1647         if (args->id != SWM_ARG_ID_STACKINIT);
1648                 stack();
1649 }
1650
1651 void
1652 stack(void) {
1653         struct swm_geometry     g;
1654         struct swm_region       *r;
1655         int                     i, j;
1656
1657         DNPRINTF(SWM_D_STACK, "stack\n");
1658
1659         for (i = 0; i < ScreenCount(display); i++) {
1660                 j = 0;
1661                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1662                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1663                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1664
1665                         /* start with screen geometry, adjust for bar */
1666                         g = r->g;
1667                         g.w -= 2;
1668                         g.h -= 2;
1669                         if (bar_enabled) {
1670                                 g.y += bar_height;
1671                                 g.h -= bar_height;
1672                         }
1673                         r->ws->cur_layout->l_stack(r->ws, &g);
1674                 }
1675         }
1676         if (font_adjusted)
1677                 font_adjusted--;
1678 }
1679
1680 void
1681 stack_floater(struct ws_win *win, struct swm_region *r)
1682 {
1683         unsigned int            mask;
1684         XWindowChanges          wc;
1685
1686         if (win == NULL)
1687                 return;
1688
1689         bzero(&wc, sizeof wc);
1690         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1691         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1692             (win->g.h == HEIGHT(r)))
1693                 wc.border_width = 0;
1694         else
1695                 wc.border_width = 1;
1696         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1697                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1698                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1699         }
1700         wc.width = win->g.w;
1701         wc.height = win->g.h;
1702         if (win->manual) {
1703                 wc.x = win->g.x;
1704                 wc.y = win->g.y;
1705         } else {
1706                 wc.x = (WIDTH(r) - win->g.w) / 2;
1707                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1708         }
1709
1710         /* adjust for region */
1711         wc.x += r->g.x;
1712         wc.y += r->g.y;
1713
1714         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1715             win->id, wc.x, wc.y, wc.width, wc.height);
1716
1717         XConfigureWindow(display, win->id, mask, &wc);
1718 }
1719
1720 /*
1721  * Send keystrokes to terminal to decrease/increase the font size as the
1722  * window size changes.
1723  */
1724 void
1725 adjust_font(struct ws_win *win)
1726 {
1727         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1728             win->floating || win->transient)
1729                 return;
1730
1731         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1732             win->g.w / win->sh.width_inc < term_width &&
1733             win->font_steps < SWM_MAX_FONT_STEPS) {
1734                 win->font_size_boundary[win->font_steps] =
1735                     (win->sh.width_inc * term_width) + win->sh.base_width;
1736                 win->font_steps++;
1737                 font_adjusted++;
1738                 win->last_inc = win->sh.width_inc;
1739                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1740         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1741             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1742                 win->font_steps--;
1743                 font_adjusted++;
1744                 win->last_inc = win->sh.width_inc;
1745                 fake_keypress(win, XK_KP_Add, ShiftMask);
1746         }
1747 }
1748
1749 #define SWAPXY(g)       do {                            \
1750         int tmp;                                        \
1751         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1752         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1753 } while (0)
1754 void
1755 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1756 {
1757         XWindowChanges          wc;
1758         struct swm_geometry     win_g, r_g = *g;
1759         struct ws_win           *win;
1760         int                     i, j, s, stacks;
1761         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1762         int                     hrh, extra = 0, h_slice, last_h = 0;
1763         int                     split, colno, winno, mwin, msize, mscale;
1764         int                     remain, missing, v_slice, reconfigure;
1765         unsigned int            mask;
1766
1767         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1768             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1769
1770         winno = count_win(ws, 0);
1771         if (winno == 0 && count_win(ws, 1) == 0)
1772                 return;
1773
1774         TAILQ_FOREACH(win, &ws->winlist, entry)
1775                 if (win->transient == 0 && win->floating == 0)
1776                         break;
1777
1778         if (win == NULL)
1779                 goto notiles;
1780
1781         if (rot) {
1782                 w_inc = win->sh.width_inc;
1783                 w_base = win->sh.base_width;
1784                 mwin = ws->l_state.horizontal_mwin;
1785                 mscale = ws->l_state.horizontal_msize;
1786                 stacks = ws->l_state.horizontal_stacks;
1787                 SWAPXY(&r_g);
1788         } else {
1789                 w_inc = win->sh.height_inc;
1790                 w_base = win->sh.base_height;
1791                 mwin = ws->l_state.vertical_mwin;
1792                 mscale = ws->l_state.vertical_msize;
1793                 stacks = ws->l_state.vertical_stacks;
1794         }
1795         win_g = r_g;
1796
1797         if (stacks > winno - mwin)
1798                 stacks = winno - mwin;
1799         if (stacks < 1)
1800                 stacks = 1;
1801
1802         h_slice = r_g.h / SWM_H_SLICE;
1803         if (mwin && winno > mwin) {
1804                 v_slice = r_g.w / SWM_V_SLICE;
1805
1806                 split = mwin;
1807                 colno = split;
1808                 win_g.w = v_slice * mscale;
1809
1810                 if (w_inc > 1 && w_inc < v_slice) {
1811                         /* adjust for window's requested size increment */
1812                         remain = (win_g.w - w_base) % w_inc;
1813                         missing = w_inc - remain;
1814                         win_g.w -= remain;
1815                         extra += remain;
1816                 }
1817
1818                 msize = win_g.w;
1819                 if (flip)
1820                         win_g.x += r_g.w - msize;
1821         } else {
1822                 msize = -2;
1823                 colno = split = winno / stacks;
1824                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1825         }
1826         hrh = r_g.h / colno;
1827         extra = r_g.h - (colno * hrh);
1828         win_g.h = hrh - 2;
1829
1830         /*  stack all the tiled windows */
1831         i = j = 0, s = stacks;
1832         TAILQ_FOREACH(win, &ws->winlist, entry) {
1833                 if (win->transient != 0 || win->floating != 0)
1834                         continue;
1835
1836                 if (split && i == split) {
1837                         colno = (winno - mwin) / stacks;
1838                         if (s <= (winno - mwin) % stacks)
1839                                 colno++;
1840                         split = split + colno;
1841                         hrh = (r_g.h / colno);
1842                         extra = r_g.h - (colno * hrh);
1843                         if (flip)
1844                                 win_g.x = r_g.x;
1845                         else
1846                                 win_g.x += win_g.w + 2;
1847                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1848                         if (s == 1)
1849                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1850                                     stacks;
1851                         s--;
1852                         j = 0;
1853                 }
1854                 win_g.h = hrh - 2;
1855                 if (rot) {
1856                         h_inc = win->sh.width_inc;
1857                         h_base = win->sh.base_width;
1858                 } else {
1859                         h_inc = win->sh.height_inc;
1860                         h_base = win->sh.base_height;
1861                 }
1862                 if (j == colno - 1) {
1863                         win_g.h = hrh + extra;
1864                 } else if (h_inc > 1 && h_inc < h_slice) {
1865                         /* adjust for window's requested size increment */
1866                         remain = (win_g.h - h_base) % h_inc;
1867                         missing = h_inc - remain;
1868
1869                         if (missing <= extra || j == 0) {
1870                                 extra -= missing;
1871                                 win_g.h += missing;
1872                         } else {
1873                                 win_g.h -= remain;
1874                                 extra += remain;
1875                         }
1876                 }
1877
1878                 if (j == 0)
1879                         win_g.y = r_g.y;
1880                 else
1881                         win_g.y += last_h + 2;
1882
1883                 bzero(&wc, sizeof wc);
1884                 wc.border_width = 1;
1885                 reconfigure = 0;
1886                 if (rot) {
1887                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
1888                             win->g.w != win_g.h || win->g.h != win_g.w) {
1889                                 reconfigure = 1;
1890                                 win->g.x = wc.x = win_g.y;
1891                                 win->g.y = wc.y = win_g.x;
1892                                 win->g.w = wc.width = win_g.h;
1893                                 win->g.h = wc.height = win_g.w;
1894                         }
1895                 } else {
1896                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
1897                             win->g.w != win_g.w || win->g.h != win_g.h) {
1898                                 reconfigure = 1;
1899                                 win->g.x = wc.x = win_g.x;
1900                                 win->g.y = wc.y = win_g.y;
1901                                 win->g.w = wc.width = win_g.w;
1902                                 win->g.h = wc.height = win_g.h;
1903                         }
1904                 }
1905                 if (reconfigure) {
1906                         adjust_font(win);
1907                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1908                         XConfigureWindow(display, win->id, mask, &wc);
1909                         configreq_win(win);
1910                 }
1911                 XMapRaised(display, win->id);
1912
1913                 last_h = win_g.h;
1914                 i++;
1915                 j++;
1916         }
1917
1918  notiles:
1919         /* now, stack all the floaters and transients */
1920         TAILQ_FOREACH(win, &ws->winlist, entry) {
1921                 if (win->transient == 0 && win->floating == 0)
1922                         continue;
1923
1924                 stack_floater(win, ws->r);
1925                 XMapRaised(display, win->id);
1926         }
1927 }
1928
1929 void
1930 vertical_config(struct workspace *ws, int id)
1931 {
1932         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1933
1934         switch (id) {
1935         case SWM_ARG_ID_STACKRESET:
1936         case SWM_ARG_ID_STACKINIT:
1937                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1938                 ws->l_state.vertical_mwin = 1;
1939                 ws->l_state.vertical_stacks = 1;
1940                 break;
1941         case SWM_ARG_ID_MASTERSHRINK:
1942                 if (ws->l_state.vertical_msize > 1)
1943                         ws->l_state.vertical_msize--;
1944                 break;
1945         case SWM_ARG_ID_MASTERGROW:
1946                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1947                         ws->l_state.vertical_msize++;
1948                 break;
1949         case SWM_ARG_ID_MASTERADD:
1950                 ws->l_state.vertical_mwin++;
1951                 break;
1952         case SWM_ARG_ID_MASTERDEL:
1953                 if (ws->l_state.vertical_mwin > 0)
1954                         ws->l_state.vertical_mwin--;
1955                 break;
1956         case SWM_ARG_ID_STACKINC:
1957                 ws->l_state.vertical_stacks++;
1958                 break;
1959         case SWM_ARG_ID_STACKDEC:
1960                 if (ws->l_state.vertical_stacks > 1)
1961                         ws->l_state.vertical_stacks--;
1962                 break;
1963         default:
1964                 return;
1965         }
1966 }
1967
1968 void
1969 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1970 {
1971         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1972
1973         stack_master(ws, g, 0, 0);
1974 }
1975
1976 void
1977 horizontal_config(struct workspace *ws, int id)
1978 {
1979         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1980
1981         switch (id) {
1982         case SWM_ARG_ID_STACKRESET:
1983         case SWM_ARG_ID_STACKINIT:
1984                 ws->l_state.horizontal_mwin = 1;
1985                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1986                 ws->l_state.horizontal_stacks = 1;
1987                 break;
1988         case SWM_ARG_ID_MASTERSHRINK:
1989                 if (ws->l_state.horizontal_msize > 1)
1990                         ws->l_state.horizontal_msize--;
1991                 break;
1992         case SWM_ARG_ID_MASTERGROW:
1993                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1994                         ws->l_state.horizontal_msize++;
1995                 break;
1996         case SWM_ARG_ID_MASTERADD:
1997                 ws->l_state.horizontal_mwin++;
1998                 break;
1999         case SWM_ARG_ID_MASTERDEL:
2000                 if (ws->l_state.horizontal_mwin > 0)
2001                         ws->l_state.horizontal_mwin--;
2002                 break;
2003         case SWM_ARG_ID_STACKINC:
2004                 ws->l_state.horizontal_stacks++;
2005                 break;
2006         case SWM_ARG_ID_STACKDEC:
2007                 if (ws->l_state.horizontal_stacks > 1)
2008                         ws->l_state.horizontal_stacks--;
2009                 break;
2010         default:
2011                 return;
2012         }
2013 }
2014
2015 void
2016 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2017 {
2018         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2019
2020         stack_master(ws, g, 1, 0);
2021 }
2022
2023 /* fullscreen view */
2024 void
2025 max_stack(struct workspace *ws, struct swm_geometry *g)
2026 {
2027         XWindowChanges          wc;
2028         struct swm_geometry     gg = *g;
2029         struct ws_win           *win, *wintrans = NULL;
2030         unsigned int            mask;
2031         int                     winno;
2032
2033         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2034
2035         if (ws == NULL)
2036                 return;
2037
2038         winno = count_win(ws, 0);
2039         if (winno == 0 && count_win(ws, 1) == 0)
2040                 return;
2041
2042         TAILQ_FOREACH(win, &ws->winlist, entry) {
2043                 if (win->transient) {
2044                         wintrans = win;
2045                         continue;
2046                 }
2047
2048                 /* only reconfigure if necessary */
2049                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2050                     win->g.h != gg.h) {
2051                         bzero(&wc, sizeof wc);
2052                         wc.border_width = 1;
2053                         win->g.x = wc.x = gg.x;
2054                         win->g.y = wc.y = gg.y;
2055                         win->g.w = wc.width = gg.w;
2056                         win->g.h = wc.height = gg.h;
2057                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2058                         XConfigureWindow(display, win->id, mask, &wc);
2059                         configreq_win(win);
2060                 }
2061                 /* unmap only if we don't have multi screen */
2062                 if (win != ws->focus)
2063                         if (!(ScreenCount(display) > 1 || outputs > 1))
2064                                 unmap_window(win);
2065         }
2066
2067         /* put the last transient on top */
2068         if (wintrans) {
2069                 stack_floater(wintrans, ws->r);
2070                 focus_win(wintrans); /* override */
2071         }
2072 }
2073
2074 void
2075 send_to_ws(struct swm_region *r, union arg *args)
2076 {
2077         int                     wsid = args->id;
2078         struct ws_win           *win = win, *winfocus = NULL;
2079         struct workspace        *ws, *nws;
2080         Atom                    ws_idx_atom = 0;
2081         unsigned char           ws_idx_str[SWM_PROPLEN];
2082
2083         if (r && r->ws)
2084                 win = r->ws->focus;
2085         else
2086                 return;
2087         if (win == NULL)
2088                 return;
2089
2090         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2091
2092         ws = win->ws;
2093         nws = &win->s->ws[wsid];
2094
2095         /* find a window to focus */
2096         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2097         if (TAILQ_FIRST(&ws->winlist) == win)
2098                 winfocus = TAILQ_NEXT(win, entry);
2099         else {
2100                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2101                 if (winfocus == NULL)
2102                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2103         }
2104         /* out of windows in ws so focus on nws instead if we multi screen */
2105         if (winfocus == NULL)
2106                 if (ScreenCount(display) > 1 || outputs > 1)
2107                         winfocus = win;
2108
2109         unmap_window(win);
2110         TAILQ_REMOVE(&ws->winlist, win, entry);
2111         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2112         win->ws = nws;
2113
2114         /* Try to update the window's workspace property */
2115         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2116         if (ws_idx_atom &&
2117             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2118                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2119                     ws_idx_str);
2120                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2121                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2122         }
2123
2124         if (count_win(nws, 1) == 1)
2125                 nws->focus = win;
2126
2127         stack();
2128         if (winfocus)
2129                 focus_win(winfocus);
2130 }
2131
2132 void
2133 wkill(struct swm_region *r, union arg *args)
2134 {
2135         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2136
2137         if(r->ws->focus == NULL)
2138                 return;
2139
2140         if (args->id == SWM_ARG_ID_KILLWINDOW)
2141                 XKillClient(display, r->ws->focus->id);
2142         else
2143                 if (r->ws->focus->can_delete)
2144                         client_msg(r->ws->focus, adelete);
2145 }
2146
2147 void
2148 floating_toggle(struct swm_region *r, union arg *args)
2149 {
2150         struct ws_win   *win = r->ws->focus;
2151
2152         if (win == NULL)
2153                 return;
2154
2155         win->floating = !win->floating;
2156         win->manual = 0;
2157         stack();
2158         focus_win(win);
2159 }
2160
2161 void
2162 resize_window(struct ws_win *win, int center)
2163 {
2164         unsigned int            mask;
2165         XWindowChanges          wc;
2166         struct swm_region       *r;
2167
2168         r = root_to_region(win->wa.root);
2169         bzero(&wc, sizeof wc);
2170         mask = CWBorderWidth | CWWidth | CWHeight;
2171         wc.border_width = 1;
2172         wc.width = win->g.w;
2173         wc.height = win->g.h;
2174         if (center == SWM_ARG_ID_CENTER) {
2175                 wc.x = (WIDTH(r) - win->g.w) / 2;
2176                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2177                 mask |= CWX | CWY;
2178         }
2179
2180         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2181             win->id, wc.x, wc.y, wc.width, wc.height);
2182
2183         XConfigureWindow(display, win->id, mask, &wc);
2184         config_win(win);
2185 }
2186
2187 void
2188 resize(struct ws_win *win, union arg *args)
2189 {
2190         XEvent                  ev;
2191         Time                    time = 0;
2192
2193         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2194             win->id, win->floating, win->transient);
2195
2196         if (!(win->transient != 0 || win->floating != 0))
2197                 return;
2198
2199         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2200             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2201                 return;
2202         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2203         do {
2204                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2205                     SubstructureRedirectMask, &ev);
2206                 switch(ev.type) {
2207                 case ConfigureRequest:
2208                 case Expose:
2209                 case MapRequest:
2210                         handler[ev.type](&ev);
2211                         break;
2212                 case MotionNotify:
2213                         if (ev.xmotion.x <= 1)
2214                                 ev.xmotion.x = 1;
2215                         if (ev.xmotion.y <= 1)
2216                                 ev.xmotion.y = 1;
2217                         win->g.w = ev.xmotion.x;
2218                         win->g.h = ev.xmotion.y;
2219
2220                         /* not free, don't sync more than 60 times / second */
2221                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2222                                 time = ev.xmotion.time;
2223                                 XSync(display, False);
2224                                 resize_window(win, args->id);
2225                         }
2226                         break;
2227                 }
2228         } while (ev.type != ButtonRelease);
2229         if (time) {
2230                 XSync(display, False);
2231                 resize_window(win, args->id);
2232         }
2233         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2234             win->g.h - 1);
2235         XUngrabPointer(display, CurrentTime);
2236
2237         /* drain events */
2238         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2239 }
2240
2241 void
2242 move_window(struct ws_win *win)
2243 {
2244         unsigned int            mask;
2245         XWindowChanges          wc;
2246         struct swm_region       *r;
2247
2248         r = root_to_region(win->wa.root);
2249         bzero(&wc, sizeof wc);
2250         mask = CWX | CWY;
2251         wc.x = win->g.x;
2252         wc.y = win->g.y;
2253
2254         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2255             win->id, wc.x, wc.y, wc.width, wc.height);
2256
2257         XConfigureWindow(display, win->id, mask, &wc);
2258         config_win(win);
2259 }
2260
2261 void
2262 move(struct ws_win *win, union arg *args)
2263 {
2264         XEvent                  ev;
2265         Time                    time = 0;
2266         int                     restack = 0;
2267
2268         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2269             win->id, win->floating, win->transient);
2270
2271         if (win->floating == 0) {
2272                 win->floating = 1;
2273                 win->manual = 1;
2274                 restack = 1;
2275         }
2276
2277         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2278             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2279                 return;
2280         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2281         do {
2282                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2283                     SubstructureRedirectMask, &ev);
2284                 switch(ev.type) {
2285                 case ConfigureRequest:
2286                 case Expose:
2287                 case MapRequest:
2288                         handler[ev.type](&ev);
2289                         break;
2290                 case MotionNotify:
2291                         win->g.x = ev.xmotion.x_root;
2292                         win->g.y = ev.xmotion.y_root;
2293
2294                         /* not free, don't sync more than 60 times / second */
2295                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2296                                 time = ev.xmotion.time;
2297                                 XSync(display, False);
2298                                 move_window(win);
2299                         }
2300                         break;
2301                 }
2302         } while (ev.type != ButtonRelease);
2303         if (time) {
2304                 XSync(display, False);
2305                 move_window(win);
2306         }
2307         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2308         XUngrabPointer(display, CurrentTime);
2309         if (restack)
2310                 stack();
2311
2312         /* drain events */
2313         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2314 }
2315
2316 /* key definitions */
2317 void
2318 dummykeyfunc(struct swm_region *r, union arg *args)
2319 {
2320 };
2321
2322 void
2323 legacyfunc(struct swm_region *r, union arg *args)
2324 {
2325 };
2326
2327 struct keyfunc {
2328         char                    name[SWM_FUNCNAME_LEN];
2329         void                    (*func)(struct swm_region *r, union arg *);
2330         union arg               args;
2331 } keyfuncs[kf_invalid + 1] = {
2332         /* name                 function        argument */
2333         { "cycle_layout",       cycle_layout,   {0} },
2334         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2335         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2336         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2337         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2338         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2339         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2340         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2341         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2342         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2343         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2344         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2345         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2346         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2347         { "spawn_menu",         legacyfunc,     {0} },
2348         { "quit",               quit,           {0} },
2349         { "restart",            restart,        {0} },
2350         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2351         { "ws_1",               switchws,       {.id = 0} },
2352         { "ws_2",               switchws,       {.id = 1} },
2353         { "ws_3",               switchws,       {.id = 2} },
2354         { "ws_4",               switchws,       {.id = 3} },
2355         { "ws_5",               switchws,       {.id = 4} },
2356         { "ws_6",               switchws,       {.id = 5} },
2357         { "ws_7",               switchws,       {.id = 6} },
2358         { "ws_8",               switchws,       {.id = 7} },
2359         { "ws_9",               switchws,       {.id = 8} },
2360         { "ws_10",              switchws,       {.id = 9} },
2361         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2362         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2363         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2364         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2365         { "mvws_1",             send_to_ws,     {.id = 0} },
2366         { "mvws_2",             send_to_ws,     {.id = 1} },
2367         { "mvws_3",             send_to_ws,     {.id = 2} },
2368         { "mvws_4",             send_to_ws,     {.id = 3} },
2369         { "mvws_5",             send_to_ws,     {.id = 4} },
2370         { "mvws_6",             send_to_ws,     {.id = 5} },
2371         { "mvws_7",             send_to_ws,     {.id = 6} },
2372         { "mvws_8",             send_to_ws,     {.id = 7} },
2373         { "mvws_9",             send_to_ws,     {.id = 8} },
2374         { "mvws_10",            send_to_ws,     {.id = 9} },
2375         { "bar_toggle",         bar_toggle,     {0} },
2376         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2377         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2378         { "screenshot_all",     legacyfunc,     {0} },
2379         { "screenshot_wind",    legacyfunc,     {0} },
2380         { "float_toggle",       floating_toggle,{0} },
2381         { "version",            version,        {0} },
2382         { "spawn_lock",         legacyfunc,     {0} },
2383         { "spawn_initscr",      legacyfunc,     {0} },
2384         { "spawn_custom",       dummykeyfunc,   {0} },
2385         { "dumpwins",           dumpwins,       {0} },
2386         { "invalid key func",   NULL,           {0} },
2387 };
2388 struct key {
2389         unsigned int            mod;
2390         KeySym                  keysym;
2391         enum keyfuncid          funcid;
2392         char                    *spawn_name;
2393 };
2394 int                             keys_size = 0, keys_length = 0;
2395 struct key                      *keys = NULL;
2396
2397 /* mouse */
2398 enum { client_click, root_click };
2399 struct button {
2400         unsigned int            action;
2401         unsigned int            mask;
2402         unsigned int            button;
2403         void                    (*func)(struct ws_win *, union arg *);
2404         union arg               args;
2405 } buttons[] = {
2406           /* action     key             mouse button    func    args */
2407         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2408         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2409         { client_click, MODKEY,         Button1,        move,   {0} },
2410 };
2411
2412 void
2413 update_modkey(unsigned int mod)
2414 {
2415         int                     i;
2416
2417         mod_key = mod;
2418         for (i = 0; i < keys_length; i++)
2419                 if (keys[i].mod & ShiftMask)
2420                         keys[i].mod = mod | ShiftMask;
2421                 else
2422                         keys[i].mod = mod;
2423
2424         for (i = 0; i < LENGTH(buttons); i++)
2425                 if (buttons[i].mask & ShiftMask)
2426                         buttons[i].mask = mod | ShiftMask;
2427                 else
2428                         buttons[i].mask = mod;
2429 }
2430
2431 /* spawn */
2432 struct spawn_prog {
2433         char                    *name;
2434         int                     argc;
2435         char                    **argv;
2436 };
2437
2438 int                             spawns_size = 0, spawns_length = 0;
2439 struct spawn_prog               *spawns = NULL;
2440
2441 void
2442 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2443 {
2444         union arg               a;
2445         struct spawn_prog       *prog = NULL;
2446         int                     i;
2447         char                    *ap, **real_args;
2448
2449         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2450
2451         /* find program */
2452         for (i = 0; i < spawns_length; i++) {
2453                 if (!strcasecmp(spawn_name, spawns[i].name))
2454                         prog = &spawns[i];
2455         }
2456         if (prog == NULL) {
2457                 fprintf(stderr, "spawn_custom: program %s not found\n",
2458                     spawn_name);
2459                 return;
2460         }
2461
2462         /* make room for expanded args */
2463         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2464                 err(1, "spawn_custom: calloc real_args");
2465
2466         /* expand spawn_args into real_args */
2467         for (i = 0; i < prog->argc; i++) {
2468                 ap = prog->argv[i];
2469                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2470                 if (!strcasecmp(ap, "$bar_border")) {
2471                         if ((real_args[i] =
2472                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2473                             == NULL)
2474                                 err(1,  "spawn_custom border color");
2475                 } else if (!strcasecmp(ap, "$bar_color")) {
2476                         if ((real_args[i] =
2477                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2478                             == NULL)
2479                                 err(1, "spawn_custom bar color");
2480                 } else if (!strcasecmp(ap, "$bar_font")) {
2481                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2482                             == NULL)
2483                                 err(1, "spawn_custom bar fonts");
2484                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2485                         if ((real_args[i] =
2486                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2487                             == NULL)
2488                                 err(1, "spawn_custom color font");
2489                 } else if (!strcasecmp(ap, "$color_focus")) {
2490                         if ((real_args[i] =
2491                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2492                             == NULL)
2493                                 err(1, "spawn_custom color focus");
2494                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2495                         if ((real_args[i] =
2496                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2497                             == NULL)
2498                                 err(1, "spawn_custom color unfocus");
2499                 } else {
2500                         /* no match --> copy as is */
2501                         if ((real_args[i] = strdup(ap)) == NULL)
2502                                 err(1, "spawn_custom strdup(ap)");
2503                 }
2504                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2505                     real_args[i]);
2506         }
2507
2508 #ifdef SWM_DEBUG
2509         if ((swm_debug & SWM_D_SPAWN) != 0) {
2510                 fprintf(stderr, "spawn_custom: result = ");
2511                 for (i = 0; i < prog->argc; i++)
2512                         fprintf(stderr, "\"%s\" ", real_args[i]);
2513                 fprintf(stderr, "\n");
2514         }
2515 #endif
2516
2517         a.argv = real_args;
2518         spawn(r, &a);
2519         for (i = 0; i < prog->argc; i++)
2520                 free(real_args[i]);
2521         free(real_args);
2522 }
2523
2524 void
2525 setspawn(struct spawn_prog *prog)
2526 {
2527         int                     i, j;
2528
2529         if (prog == NULL || prog->name == NULL)
2530                 return;
2531
2532         /* find existing */
2533         for (i = 0; i < spawns_length; i++) {
2534                 if (!strcmp(spawns[i].name, prog->name)) {
2535                         /* found */
2536                         if (prog->argv == NULL) {
2537                                 /* delete */
2538                                 DNPRINTF(SWM_D_SPAWN,
2539                                     "setspawn: delete #%d %s\n",
2540                                     i, spawns[i].name);
2541                                 free(spawns[i].name);
2542                                 for (j = 0; j < spawns[i].argc; j++)
2543                                         free(spawns[i].argv[j]);
2544                                 free(spawns[i].argv);
2545                                 j = spawns_length - 1;
2546                                 if (i < j)
2547                                         spawns[i] = spawns[j];
2548                                 spawns_length--;
2549                                 free(prog->name);
2550                         } else {
2551                                 /* replace */
2552                                 DNPRINTF(SWM_D_SPAWN,
2553                                     "setspawn: replace #%d %s\n",
2554                                     i, spawns[i].name);
2555                                 free(spawns[i].name);
2556                                 for (j = 0; j < spawns[i].argc; j++)
2557                                         free(spawns[i].argv[j]);
2558                                 free(spawns[i].argv);
2559                                 spawns[i] = *prog;
2560                         }
2561                         /* found case handled */
2562                         free(prog);
2563                         return;
2564                 }
2565         }
2566
2567         if (prog->argv == NULL) {
2568                 fprintf(stderr,
2569                     "error: setspawn: cannot find program %s", prog->name);
2570                 free(prog);
2571                 return;
2572         }
2573
2574         /* not found: add */
2575         if (spawns_size == 0 || spawns == NULL) {
2576                 spawns_size = 4;
2577                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2578                 spawns = malloc((size_t)spawns_size *
2579                     sizeof(struct spawn_prog));
2580                 if (spawns == NULL) {
2581                         fprintf(stderr, "setspawn: malloc failed\n");
2582                         perror(" failed");
2583                         quit(NULL, NULL);
2584                 }
2585         } else if (spawns_length == spawns_size) {
2586                 spawns_size *= 2;
2587                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2588                 spawns = realloc(spawns, (size_t)spawns_size *
2589                     sizeof(struct spawn_prog));
2590                 if (spawns == NULL) {
2591                         fprintf(stderr, "setspawn: realloc failed\n");
2592                         perror(" failed");
2593                         quit(NULL, NULL);
2594                 }
2595         }
2596
2597         if (spawns_length < spawns_size) {
2598                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2599                     spawns_length, prog->name);
2600                 i = spawns_length++;
2601                 spawns[i] = *prog;
2602         } else {
2603                 fprintf(stderr, "spawns array problem?\n");
2604                 if (spawns == NULL) {
2605                         fprintf(stderr, "spawns array is NULL!\n");
2606                         quit(NULL, NULL);
2607                 }
2608         }
2609         free(prog);
2610 }
2611
2612 int
2613 setconfspawn(char *selector, char *value, int flags)
2614 {
2615         struct spawn_prog       *prog;
2616         char                    *vp, *cp, *word;
2617
2618         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2619         if ((prog = calloc(1, sizeof *prog)) == NULL)
2620                 err(1, "setconfspawn: calloc prog");
2621         prog->name = strdup(selector);
2622         if (prog->name == NULL)
2623                 err(1, "setconfspawn prog->name");
2624         if ((cp = vp = strdup(value)) == NULL)
2625                 err(1, "setconfspawn: strdup(value) ");
2626         while ((word = strsep(&cp, " \t")) != NULL) {
2627                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2628                 if (cp)
2629                         cp += (long)strspn(cp, " \t");
2630                 if (strlen(word) > 0) {
2631                         prog->argc++;
2632                         prog->argv = realloc(prog->argv,
2633                             prog->argc * sizeof(char *));
2634                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2635                                 err(1, "setconfspawn: strdup");
2636                 }
2637         }
2638         free(vp);
2639
2640         setspawn(prog);
2641
2642         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2643         return (0);
2644 }
2645
2646 void
2647 setup_spawn(void)
2648 {
2649         setconfspawn("term",            "xterm",                0);
2650         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2651         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2652         setconfspawn("lock",            "xlock",                0);
2653         setconfspawn("initscr",         "initscreen.sh",        0);
2654         setconfspawn("menu",            "dmenu_run"
2655                                         " -fn $bar_font"
2656                                         " -nb $bar_color"
2657                                         " -nf $bar_font_color"
2658                                         " -sb $bar_border"
2659                                         " -sf $bar_color",      0);
2660 }
2661
2662 /* key bindings */
2663 #define SWM_MODNAME_SIZE        32
2664 #define SWM_KEY_WS              "\n+ \t"
2665 int
2666 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2667 {
2668         char                    *cp, *name;
2669         KeySym                  uks;
2670         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2671         if (mod == NULL || ks == NULL) {
2672                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2673                 return (1);
2674         }
2675         if (keystr == NULL || strlen(keystr) == 0) {
2676                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2677                 return (1);
2678         }
2679         cp = keystr;
2680         *ks = NoSymbol;
2681         *mod = 0;
2682         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2683                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2684                 if (cp)
2685                         cp += (long)strspn(cp, SWM_KEY_WS);
2686                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2687                         *mod |= currmod;
2688                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2689                         *mod |= Mod1Mask;
2690                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2691                         *mod += Mod2Mask;
2692                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2693                         *mod |= Mod3Mask;
2694                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2695                         *mod |= Mod4Mask;
2696                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2697                         *mod |= ShiftMask;
2698                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2699                         *mod |= ControlMask;
2700                 else {
2701                         *ks = XStringToKeysym(name);
2702                         XConvertCase(*ks, ks, &uks);
2703                         if (ks == NoSymbol) {
2704                                 DNPRINTF(SWM_D_KEY,
2705                                     "parsekeys: invalid key %s\n",
2706                                     name);
2707                                 return (1);
2708                         }
2709                 }
2710         }
2711         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2712         return (0);
2713 }
2714
2715 char *
2716 strdupsafe(char *str)
2717 {
2718         if (str == NULL)
2719                 return (NULL);
2720         else
2721                 return (strdup(str));
2722 }
2723
2724 void
2725 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2726 {
2727         int                     i, j;
2728         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2729             keyfuncs[kfid].name, spawn_name);
2730         /* find existing */
2731         for (i = 0; i < keys_length; i++) {
2732                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2733                         if (kfid == kf_invalid) {
2734                                 /* found: delete */
2735                                 DNPRINTF(SWM_D_KEY,
2736                                     "setkeybinding: delete #%d %s\n",
2737                                     i, keyfuncs[keys[i].funcid].name);
2738                                 free(keys[i].spawn_name);
2739                                 j = keys_length - 1;
2740                                 if (i < j)
2741                                         keys[i] = keys[j];
2742                                 keys_length--;
2743                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2744                                 return;
2745                         } else {
2746                                 /* found: replace */
2747                                 DNPRINTF(SWM_D_KEY,
2748                                     "setkeybinding: replace #%d %s %s\n",
2749                                     i, keyfuncs[keys[i].funcid].name,
2750                                     spawn_name);
2751                                 free(keys[i].spawn_name);
2752                                 keys[i].mod = mod;
2753                                 keys[i].keysym = ks;
2754                                 keys[i].funcid = kfid;
2755                                 keys[i].spawn_name = strdupsafe(spawn_name);
2756                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2757                                 return;
2758                         }
2759                 }
2760         }
2761         if (kfid == kf_invalid) {
2762                 fprintf(stderr,
2763                     "error: setkeybinding: cannot find mod/key combination");
2764                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2765                 return;
2766         }
2767         /* not found: add */
2768         if (keys_size == 0 || keys == NULL) {
2769                 keys_size = 4;
2770                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2771                 keys = malloc((size_t)keys_size * sizeof(struct key));
2772                 if (!keys) {
2773                         fprintf(stderr, "malloc failed\n");
2774                         perror(" failed");
2775                         quit(NULL, NULL);
2776                 }
2777         } else if (keys_length == keys_size) {
2778                 keys_size *= 2;
2779                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2780                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2781                 if (!keys) {
2782                         fprintf(stderr, "realloc failed\n");
2783                         perror(" failed");
2784                         quit(NULL, NULL);
2785                 }
2786         }
2787         if (keys_length < keys_size) {
2788                 j = keys_length++;
2789                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2790                     j, keyfuncs[kfid].name, spawn_name);
2791                 keys[j].mod = mod;
2792                 keys[j].keysym = ks;
2793                 keys[j].funcid = kfid;
2794                 keys[j].spawn_name = strdupsafe(spawn_name);
2795         } else {
2796                 fprintf(stderr, "keys array problem?\n");
2797                 if (!keys) {
2798                         fprintf(stderr, "keys array problem\n");
2799                         quit(NULL, NULL);
2800                 }
2801         }
2802         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2803 }
2804
2805 int
2806 setconfbinding(char *selector, char *value, int flags)
2807 {
2808         enum keyfuncid          kfid;
2809         unsigned int            mod;
2810         KeySym                  ks;
2811         int                     i;
2812         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2813         if (selector == NULL) {
2814                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2815                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2816                         kfid = kf_invalid;
2817                         setkeybinding(mod, ks, kfid, NULL);
2818                         return (0);
2819                 } else
2820                         return (1);
2821         }
2822         /* search by key function name */
2823         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2824                 if (strncasecmp(selector, keyfuncs[kfid].name,
2825                     SWM_FUNCNAME_LEN) == 0) {
2826                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2827                             selector);
2828                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2829                                 setkeybinding(mod, ks, kfid, NULL);
2830                                 return (0);
2831                         } else
2832                                 return (1);
2833                 }
2834         }
2835         /* search by custom spawn name */
2836         for (i = 0; i < spawns_length; i++) {
2837                 if (strcasecmp(selector, spawns[i].name) == 0) {
2838                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2839                             selector);
2840                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2841                                 setkeybinding(mod, ks, kf_spawn_custom,
2842                                     spawns[i].name);
2843                                 return (0);
2844                         } else
2845                                 return (1);
2846                 }
2847         }
2848         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2849         return (1);
2850 }
2851
2852 void
2853 setup_keys(void)
2854 {
2855         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2856         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2857         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2858         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2859         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2860         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2861         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2862         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2863         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2864         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2865         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2866         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2867         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2868         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2869         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2870         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2871         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2872         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2873         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2874         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2875         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2876         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2877         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2878         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2879         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2880         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2881         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2882         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2883         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2884         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2885         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2886         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2887         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2888         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2889         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2890         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2891         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2892         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2893         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2894         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2895         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2896         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2897         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2898         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2899         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2900         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2901         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2902         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2903         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2904         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2905         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2906         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2907         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2908 #ifdef SWM_DEBUG
2909         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
2910 #endif
2911 }
2912
2913 void
2914 updatenumlockmask(void)
2915 {
2916         unsigned int            i, j;
2917         XModifierKeymap         *modmap;
2918
2919         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2920         numlockmask = 0;
2921         modmap = XGetModifierMapping(display);
2922         for (i = 0; i < 8; i++)
2923                 for (j = 0; j < modmap->max_keypermod; j++)
2924                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2925                           == XKeysymToKeycode(display, XK_Num_Lock))
2926                                 numlockmask = (1 << i);
2927
2928         XFreeModifiermap(modmap);
2929 }
2930
2931 void
2932 grabkeys(void)
2933 {
2934         unsigned int            i, j, k;
2935         KeyCode                 code;
2936         unsigned int            modifiers[] =
2937             { 0, LockMask, numlockmask, numlockmask | LockMask };
2938
2939         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2940         updatenumlockmask();
2941
2942         for (k = 0; k < ScreenCount(display); k++) {
2943                 if (TAILQ_EMPTY(&screens[k].rl))
2944                         continue;
2945                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2946                 for (i = 0; i < keys_length; i++) {
2947                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2948                                 for (j = 0; j < LENGTH(modifiers); j++)
2949                                         XGrabKey(display, code,
2950                                             keys[i].mod | modifiers[j],
2951                                             screens[k].root, True,
2952                                             GrabModeAsync, GrabModeAsync);
2953                 }
2954         }
2955 }
2956
2957 void
2958 grabbuttons(struct ws_win *win, int focused)
2959 {
2960         unsigned int            i, j;
2961         unsigned int            modifiers[] =
2962             { 0, LockMask, numlockmask, numlockmask|LockMask };
2963
2964         updatenumlockmask();
2965         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2966         if(focused) {
2967                 for (i = 0; i < LENGTH(buttons); i++)
2968                         if (buttons[i].action == client_click)
2969                                 for (j = 0; j < LENGTH(modifiers); j++)
2970                                         XGrabButton(display, buttons[i].button,
2971                                             buttons[i].mask | modifiers[j],
2972                                             win->id, False, BUTTONMASK,
2973                                             GrabModeAsync, GrabModeSync, None,
2974                                             None);
2975         } else
2976                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2977                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2978 }
2979
2980 const char *quirkname[] = {
2981         "NONE",         /* config string for "no value" */
2982         "FLOAT",
2983         "TRANSSZ",
2984         "ANYWHERE",
2985         "XTERM_FONTADJ",
2986         "FULLSCREEN",
2987 };
2988
2989 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
2990 #define SWM_Q_WS                "\n|+ \t"
2991 int
2992 parsequirks(char *qstr, unsigned long *quirk)
2993 {
2994         char                    *cp, *name;
2995         int                     i;
2996
2997         if (quirk == NULL)
2998                 return (1);
2999
3000         cp = qstr;
3001         *quirk = 0;
3002         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3003                 if (cp)
3004                         cp += (long)strspn(cp, SWM_Q_WS);
3005                 for (i = 0; i < LENGTH(quirkname); i++) {
3006                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3007                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3008                                 if (i == 0) {
3009                                         *quirk = 0;
3010                                         return (0);
3011                                 }
3012                                 *quirk |= 1 << (i-1);
3013                                 break;
3014                         }
3015                 }
3016                 if (i >= LENGTH(quirkname)) {
3017                         DNPRINTF(SWM_D_QUIRK,
3018                             "parsequirks: invalid quirk [%s]\n", name);
3019                         return (1);
3020                 }
3021         }
3022         return (0);
3023 }
3024
3025 void
3026 setquirk(const char *class, const char *name, const int quirk)
3027 {
3028         int                     i, j;
3029
3030         /* find existing */
3031         for (i = 0; i < quirks_length; i++) {
3032                 if (!strcmp(quirks[i].class, class) &&
3033                     !strcmp(quirks[i].name, name)) {
3034                         if (!quirk) {
3035                                 /* found: delete */
3036                                 DNPRINTF(SWM_D_QUIRK,
3037                                     "setquirk: delete #%d %s:%s\n",
3038                                     i, quirks[i].class, quirks[i].name);
3039                                 free(quirks[i].class);
3040                                 free(quirks[i].name);
3041                                 j = quirks_length - 1;
3042                                 if (i < j)
3043                                         quirks[i] = quirks[j];
3044                                 quirks_length--;
3045                                 return;
3046                         } else {
3047                                 /* found: replace */
3048                                 DNPRINTF(SWM_D_QUIRK,
3049                                     "setquirk: replace #%d %s:%s\n",
3050                                     i, quirks[i].class, quirks[i].name);
3051                                 free(quirks[i].class);
3052                                 free(quirks[i].name);
3053                                 quirks[i].class = strdup(class);
3054                                 quirks[i].name = strdup(name);
3055                                 quirks[i].quirk = quirk;
3056                                 return;
3057                         }
3058                 }
3059         }
3060         if (!quirk) {
3061                 fprintf(stderr,
3062                     "error: setquirk: cannot find class/name combination");
3063                 return;
3064         }
3065         /* not found: add */
3066         if (quirks_size == 0 || quirks == NULL) {
3067                 quirks_size = 4;
3068                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3069                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3070                 if (!quirks) {
3071                         fprintf(stderr, "setquirk: malloc failed\n");
3072                         perror(" failed");
3073                         quit(NULL, NULL);
3074                 }
3075         } else if (quirks_length == quirks_size) {
3076                 quirks_size *= 2;
3077                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3078                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3079                 if (!quirks) {
3080                         fprintf(stderr, "setquirk: realloc failed\n");
3081                         perror(" failed");
3082                         quit(NULL, NULL);
3083                 }
3084         }
3085         if (quirks_length < quirks_size) {
3086                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3087                 j = quirks_length++;
3088                 quirks[j].class = strdup(class);
3089                 quirks[j].name = strdup(name);
3090                 quirks[j].quirk = quirk;
3091         } else {
3092                 fprintf(stderr, "quirks array problem?\n");
3093                 if (!quirks) {
3094                         fprintf(stderr, "quirks array problem!\n");
3095                         quit(NULL, NULL);
3096                 }
3097         }
3098 }
3099
3100 int
3101 setconfquirk(char *selector, char *value, int flags)
3102 {
3103         char                    *cp, *class, *name;
3104         int                     retval;
3105         unsigned long           quirks;
3106         if (selector == NULL)
3107                 return (0);
3108         if ((cp = strchr(selector, ':')) == NULL)
3109                 return (0);
3110         *cp = '\0';
3111         class = selector;
3112         name = cp + 1;
3113         if ((retval = parsequirks(value, &quirks)) == 0)
3114                 setquirk(class, name, quirks);
3115         return (retval);
3116 }
3117
3118 void
3119 setup_quirks(void)
3120 {
3121         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3122         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3123         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3124         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3125         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3126         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3127         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3128         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3129         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3130         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3131         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3132         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3133         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3134 }
3135
3136 /* conf file stuff */
3137 #define SWM_CONF_FILE   "scrotwm.conf"
3138
3139 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3140           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3141           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3142           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3143           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3144
3145 int
3146 setconfvalue(char *selector, char *value, int flags)
3147 {
3148         switch (flags) {
3149         case SWM_S_BAR_DELAY:
3150                 bar_delay = atoi(value);
3151                 break;
3152         case SWM_S_BAR_ENABLED:
3153                 bar_enabled = atoi(value);
3154                 break;
3155         case SWM_S_STACK_ENABLED:
3156                 stack_enabled = atoi(value);
3157                 break;
3158         case SWM_S_CLOCK_ENABLED:
3159                 clock_enabled = atoi(value);
3160                 break;
3161         case SWM_S_CYCLE_EMPTY:
3162                 cycle_empty = atoi(value);
3163                 break;
3164         case SWM_S_CYCLE_VISIBLE:
3165                 cycle_visible = atoi(value);
3166                 break;
3167         case SWM_S_SS_ENABLED:
3168                 ss_enabled = atoi(value);
3169                 break;
3170         case SWM_S_TERM_WIDTH:
3171                 term_width = atoi(value);
3172                 break;
3173         case SWM_S_TITLE_CLASS_ENABLED:
3174                 title_class_enabled = atoi(value);
3175                 break;
3176         case SWM_S_TITLE_NAME_ENABLED:
3177                 title_name_enabled = atoi(value);
3178                 break;
3179         case SWM_S_BAR_FONT:
3180                 free(bar_fonts[0]);
3181                 if ((bar_fonts[0] = strdup(value)) == NULL)
3182                         err(1, "setconfvalue: bar_font");
3183                 break;
3184         case SWM_S_BAR_ACTION:
3185                 free(bar_argv[0]);
3186                 if ((bar_argv[0] = strdup(value)) == NULL)
3187                         err(1, "setconfvalue: bar_action");
3188                 break;
3189         case SWM_S_SPAWN_TERM:
3190                 free(spawn_term[0]);
3191                 if ((spawn_term[0] = strdup(value)) == NULL)
3192                         err(1, "setconfvalue: spawn_term");
3193                 break;
3194         case SWM_S_SS_APP:
3195                 break;
3196         case SWM_S_DIALOG_RATIO:
3197                 dialog_ratio = atof(value);
3198                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3199                         dialog_ratio = .6;
3200                 break;
3201         default:
3202                 return (1);
3203         }
3204         return (0);
3205 }
3206
3207 int
3208 setconfmodkey(char *selector, char *value, int flags)
3209 {
3210         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3211                 update_modkey(Mod1Mask);
3212         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3213                 update_modkey(Mod2Mask);
3214         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3215                 update_modkey(Mod3Mask);
3216         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3217                 update_modkey(Mod4Mask);
3218         else
3219                 return (1);
3220         return (0);
3221 }
3222
3223 int
3224 setconfcolor(char *selector, char *value, int flags)
3225 {
3226         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3227         return (0);
3228 }
3229
3230 int
3231 setconfregion(char *selector, char *value, int flags)
3232 {
3233         custom_region(value);
3234         return (0);
3235 }
3236
3237 /* config options */
3238 struct config_option {
3239         char                    *optname;
3240         int (*func)(char*, char*, int);
3241         int funcflags;
3242 };
3243 struct config_option configopt[] = {
3244         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3245         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3246         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3247         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3248         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3249         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3250         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3251         { "bind",                       setconfbinding, 0 },
3252         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3253         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3254         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3255         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3256         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3257         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3258         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3259         { "modkey",                     setconfmodkey,  0 },
3260         { "program",                    setconfspawn,   0 },
3261         { "quirk",                      setconfquirk,   0 },
3262         { "region",                     setconfregion,  0 },
3263         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3264         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3265         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3266         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3267         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3268         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3269 };
3270
3271
3272 int
3273 conf_load(char *filename)
3274 {
3275         FILE                    *config;
3276         char                    *line, *cp, *optsub, *optval;
3277         size_t                  linelen, lineno = 0;
3278         int                     wordlen, i, optind;
3279         struct config_option    *opt;
3280
3281         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3282
3283         if (filename == NULL) {
3284                 fprintf(stderr, "conf_load: no filename\n");
3285                 return (1);
3286         }
3287         if ((config = fopen(filename, "r")) == NULL) {
3288                 warn("conf_load: fopen");
3289                 return (1);
3290         }
3291
3292         while (!feof(config)) {
3293                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3294                     == NULL) {
3295                         if (ferror(config))
3296                                 err(1, "%s", filename);
3297                         else
3298                                 continue;
3299                 }
3300                 cp = line;
3301                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3302                 if (cp[0] == '\0') {
3303                         /* empty line */
3304                         free(line);
3305                         continue;
3306                 }
3307                 /* get config option */
3308                 wordlen = strcspn(cp, "=[ \t\n");
3309                 if (wordlen == 0) {
3310                         warnx("%s: line %zd: no option found",
3311                             filename, lineno);
3312                         return (1);
3313                 }
3314                 optind = -1;
3315                 for (i = 0; i < LENGTH(configopt); i++) {
3316                         opt = &configopt[i];
3317                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3318                             strlen(opt->optname) == wordlen) {
3319                                 optind = i;
3320                                 break;
3321                         }
3322                 }
3323                 if (optind == -1) {
3324                         warnx("%s: line %zd: unknown option %.*s",
3325                             filename, lineno, wordlen, cp);
3326                         return (1);
3327                 }
3328                 cp += wordlen;
3329                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3330                 /* get [selector] if any */
3331                 optsub = NULL;
3332                 if (*cp == '[') {
3333                         cp++;
3334                         wordlen = strcspn(cp, "]");
3335                         if (*cp != ']') {
3336                                 if (wordlen == 0) {
3337                                         warnx("%s: line %zd: syntax error",
3338                                             filename, lineno);
3339                                         return (1);
3340                                 }
3341                                 asprintf(&optsub, "%.*s", wordlen, cp);
3342                         }
3343                         cp += wordlen;
3344                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3345                 }
3346                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3347                 /* get RHS value */
3348                 optval = strdup(cp);
3349                 /* call function to deal with it all */
3350                 if (configopt[optind].func(optsub, optval,
3351                     configopt[optind].funcflags) != 0) {
3352                         fprintf(stderr, "%s line %zd: %s\n",
3353                             filename, lineno, line);
3354                         errx(1, "%s: line %zd: invalid data for %s",
3355                             filename, lineno, configopt[optind].optname);
3356                 }
3357                 free(optval);
3358                 free(optsub);
3359                 free(line);
3360         }
3361
3362         fclose(config);
3363         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3364
3365         return (0);
3366 }
3367
3368 struct ws_win *
3369 manage_window(Window id)
3370 {
3371         Window                  trans = 0;
3372         struct workspace        *ws;
3373         struct ws_win           *win, *ww, *parent;
3374         int                     format, i, ws_idx, n, border_me = 0;
3375         unsigned long           nitems, bytes;
3376         Atom                    ws_idx_atom = 0, type;
3377         Atom                    *prot = NULL, *pp;
3378         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3379         struct swm_region       *r;
3380         long                    mask;
3381         const char              *errstr;
3382         XWindowChanges          wc;
3383
3384         if ((win = find_window(id)) != NULL)
3385                 return (win);   /* already being managed */
3386
3387         /* see if we are on the unmanaged list */
3388         if ((win = find_unmanaged_window(id)) != NULL) {
3389                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3390                     "%lu\n", win->id);
3391                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3392                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3393                 return (win);
3394         }
3395
3396         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3397                 errx(1, "calloc: failed to allocate memory for new window");
3398
3399         /* Get all the window data in one shot */
3400         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3401         if (ws_idx_atom)
3402                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3403                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3404         XGetWindowAttributes(display, id, &win->wa);
3405         XGetWMNormalHints(display, id, &win->sh, &mask);
3406         XGetTransientForHint(display, id, &trans);
3407         if (trans) {
3408                 win->transient = trans;
3409                 parent = find_window(win->transient);
3410                 if (parent)
3411                         parent->child_trans = win;
3412                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3413                     (unsigned)win->id, win->transient);
3414         }
3415         /* get supported protocols */
3416         if (XGetWMProtocols(display, id, &prot, &n)) {
3417                 for (i = 0, pp = prot; i < n; i++, pp++) {
3418                         if (*pp == takefocus)
3419                                 win->take_focus = 1;
3420                         if (*pp == adelete)
3421                                 win->can_delete = 1;
3422                 }
3423                 if (prot)
3424                         XFree(prot);
3425         }
3426
3427         /*
3428          * Figure out where to put the window. If it was previously assigned to
3429          * a workspace (either by spawn() or manually moving), and isn't
3430          * transient, * put it in the same workspace
3431          */
3432         r = root_to_region(win->wa.root);
3433         if (prop && win->transient == 0) {
3434                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3435                 ws_idx = strtonum(prop, 0, 9, &errstr);
3436                 if (errstr) {
3437                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3438                             errstr, prop);
3439                 }
3440                 ws = &r->s->ws[ws_idx];
3441         } else {
3442                 ws = r->ws;
3443                 /* this should launch transients in the same ws as parent */
3444                 if (id && trans)
3445                         if ((ww = find_window(trans)) != NULL)
3446                                 if (ws->r) {
3447                                         ws = ww->ws;
3448                                         if (ww->ws->r)
3449                                                 r = ww->ws->r;
3450                                         else
3451                                                 fprintf(stderr,
3452                                                     "fix this bug mcbride\n");
3453                                         border_me = 1;
3454                                 }
3455         }
3456
3457         /* set up the window layout */
3458         win->id = id;
3459         win->ws = ws;
3460         win->s = r->s;  /* this never changes */
3461         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3462
3463         win->g.w = win->wa.width;
3464         win->g.h = win->wa.height;
3465         win->g.x = win->wa.x;
3466         win->g.y = win->wa.y;
3467
3468         /* Set window properties so we can remember this after reincarnation */
3469         if (ws_idx_atom && prop == NULL &&
3470             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3471                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3472                     ws_idx_str);
3473                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3474                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3475         }
3476         XFree(prop);
3477
3478         if (XGetClassHint(display, win->id, &win->ch)) {
3479                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3480                     win->ch.res_class, win->ch.res_name);
3481
3482                 /* java is retarded so treat it special */
3483                 if (strstr(win->ch.res_name, "sun-awt"))
3484                         win->java = 1;
3485
3486                 for (i = 0; i < quirks_length; i++){
3487                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3488                             !strcmp(win->ch.res_name, quirks[i].name)) {
3489                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3490                                     win->ch.res_class, win->ch.res_name);
3491                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3492                                         win->floating = 1;
3493                                 win->quirks = quirks[i].quirk;
3494                         }
3495                 }
3496         }
3497
3498         /* alter window position if quirky */
3499         if (win->quirks & SWM_Q_ANYWHERE) {
3500                 win->manual = 1; /* don't center the quirky windows */
3501                 bzero(&wc, sizeof wc);
3502                 mask = 0;
3503                 if (win->g.y < bar_height) {
3504                         win->g.y = wc.y = bar_height;
3505                         mask |= CWY;
3506                 }
3507                 if (win->g.w + win->g.x > WIDTH(r)) {
3508                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3509                         mask |= CWX;
3510                 }
3511                 border_me = 1;
3512         }
3513
3514         /* Reset font sizes (the bruteforce way; no default keybinding). */
3515         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3516                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3517                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3518                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3519                         fake_keypress(win, XK_KP_Add, ShiftMask);
3520         }
3521
3522         /* border me */
3523         if (border_me) {
3524                 bzero(&wc, sizeof wc);
3525                 wc.border_width = 1;
3526                 mask = CWBorderWidth;
3527                 XConfigureWindow(display, win->id, mask, &wc);
3528                 configreq_win(win);
3529         }
3530
3531         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3532             PropertyChangeMask | StructureNotifyMask);
3533
3534         set_win_state(win, NormalState);
3535
3536         /* floaters need to be mapped if they are in the current workspace */
3537         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3538                 XMapRaised(display, win->id);
3539
3540         return (win);
3541 }
3542
3543 void
3544 free_window(struct ws_win *win)
3545 {
3546         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3547
3548         if (win == NULL)
3549                 return;
3550
3551         /* needed for restart wm */
3552         set_win_state(win, WithdrawnState);
3553
3554         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3555
3556         if (win->ch.res_class)
3557                 XFree(win->ch.res_class);
3558         if (win->ch.res_name)
3559                 XFree(win->ch.res_name);
3560         free(win);
3561 }
3562
3563 void
3564 unmanage_window(struct ws_win *win)
3565 {
3566         struct ws_win           *parent;
3567
3568         if (win == NULL)
3569                 return;
3570
3571         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3572
3573         if (win->transient) {
3574                 parent = find_window(win->transient);
3575                 if (parent)
3576                         parent->child_trans = NULL;
3577         }
3578
3579         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3580         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3581 }
3582
3583 void
3584 focus_magic(struct ws_win *win)
3585 {
3586         if (win->child_trans) {
3587                 /* win = parent & has a transient so focus on that */
3588                 if (win->java) {
3589                         focus_win(win->child_trans);
3590                         if (win->child_trans->take_focus)
3591                                 client_msg(win, takefocus);
3592                 } else {
3593                         focus_win(win->child_trans);
3594                         if (win->child_trans->take_focus)
3595                                 client_msg(win->child_trans, takefocus);
3596                 }
3597         } else {
3598                 /* regular focus */
3599                 focus_win(win);
3600                 if (win->take_focus)
3601                         client_msg(win, takefocus);
3602         }
3603 }
3604
3605 Bool
3606 destroy_notify_cb(Display *d, XEvent *e, char *arg)
3607 {
3608         struct ws_win           *win = (struct ws_win *)arg;
3609         if (win && win->id == e->xany.window && e->xany.type == DestroyNotify)
3610                         return (True);
3611         return (False);
3612 }
3613
3614 void
3615 expose(XEvent *e)
3616 {
3617         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3618 }
3619
3620 void
3621 keypress(XEvent *e)
3622 {
3623         unsigned int            i;
3624         KeySym                  keysym;
3625         XKeyEvent               *ev = &e->xkey;
3626
3627         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3628
3629         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3630         for (i = 0; i < keys_length; i++)
3631                 if (keysym == keys[i].keysym
3632                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3633                    && keyfuncs[keys[i].funcid].func) {
3634                         if (keys[i].funcid == kf_spawn_custom)
3635                                 spawn_custom(
3636                                     root_to_region(ev->root),
3637                                     &(keyfuncs[keys[i].funcid].args),
3638                                     keys[i].spawn_name
3639                                     );
3640                         else
3641                                 keyfuncs[keys[i].funcid].func(
3642                                     root_to_region(ev->root),
3643                                     &(keyfuncs[keys[i].funcid].args)
3644                                     );
3645                 }
3646 }
3647
3648 void
3649 buttonpress(XEvent *e)
3650 {
3651         XButtonPressedEvent     *ev = &e->xbutton;
3652
3653         struct ws_win           *win;
3654         int                     i, action;
3655
3656         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3657
3658         action = root_click;
3659         if ((win = find_window(ev->window)) == NULL)
3660                 return;
3661
3662         focus_magic(win);
3663         action = client_click;
3664
3665         for (i = 0; i < LENGTH(buttons); i++)
3666                 if (action == buttons[i].action && buttons[i].func &&
3667                     buttons[i].button == ev->button &&
3668                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3669                         buttons[i].func(win, &buttons[i].args);
3670 }
3671
3672 void
3673 configurerequest(XEvent *e)
3674 {
3675         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3676         struct ws_win           *win;
3677         int                     new = 0;
3678         XWindowChanges          wc;
3679
3680         if ((win = find_window(ev->window)) == NULL)
3681                 new = 1;
3682
3683         if (new) {
3684                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3685                     ev->window);
3686                 bzero(&wc, sizeof wc);
3687                 wc.x = ev->x;
3688                 wc.y = ev->y;
3689                 wc.width = ev->width;
3690                 wc.height = ev->height;
3691                 wc.border_width = ev->border_width;
3692                 wc.sibling = ev->above;
3693                 wc.stack_mode = ev->detail;
3694                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3695         } else {
3696                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3697                     ev->window);
3698                 if (win->floating) {
3699                         if (ev->value_mask & CWX)
3700                                 win->g.x = ev->x;
3701                         if (ev->value_mask & CWY)
3702                                 win->g.y = ev->y;
3703                         if (ev->value_mask & CWWidth)
3704                                 win->g.w = ev->width;
3705                         if (ev->value_mask & CWHeight)
3706                                 win->g.h = ev->height;
3707                         if (win->ws->r != NULL) {
3708                                 /* this seems to be full screen */
3709                                 if (win->g.w >= WIDTH(win->ws->r)) {
3710                                         win->g.x = 0;
3711                                         win->g.w = WIDTH(win->ws->r);
3712                                         ev->value_mask |= CWX | CWWidth;
3713                                 }
3714                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3715                                         /* kill border */
3716                                         win->g.y = 0;
3717                                         win->g.h = HEIGHT(win->ws->r);
3718                                         ev->value_mask |= CWY | CWHeight;
3719                                 }
3720                         }
3721                         XMoveResizeWindow(display, win->id,
3722                             win->g.x, win->g.y, win->g.w, win->g.h);
3723                         if ((ev->value_mask & (CWX | CWY)) &&
3724                             !(ev->value_mask & (CWWidth | CWHeight)))
3725                                 config_win(win);
3726                 } else
3727                         config_win(win);
3728         }
3729 }
3730
3731 void
3732 configurenotify(XEvent *e)
3733 {
3734         struct ws_win           *win;
3735         long                    mask;
3736
3737         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3738             e->xconfigure.window);
3739
3740         win = find_window(e->xconfigure.window);
3741         if (win) {
3742                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3743                 adjust_font(win);
3744                 if (font_adjusted)
3745                         stack();
3746         }
3747 }
3748
3749 void
3750 destroynotify(XEvent *e)
3751 {
3752         struct ws_win           *win, *w, *wn, *winfocus = NULL;
3753         struct workspace        *ws;
3754         struct ws_win_list      *wl;
3755         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3756         int                     unmanaged = 0;
3757
3758         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3759
3760         if ((win = find_window(ev->window)) == NULL) {
3761                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3762                         return;
3763                 unmanaged = 1;
3764         }
3765
3766         /* find a window to focus */
3767         ws = win->ws;
3768         wl = &ws->winlist;
3769
3770         for (w = TAILQ_FIRST(&ws->winlist); w != TAILQ_END(&ws->winlist); w = wn) {
3771                 wn = TAILQ_NEXT(w, entry);
3772                 if (win == w)
3773                         continue; /* can't happen but oh well */
3774
3775                 if (getstate(w->id) != -1)
3776                         continue;
3777                 unmanage_window(w);
3778         }
3779         /* if we are transient give focus to parent */
3780         if (win->transient)
3781                 winfocus = find_window(win->transient);
3782         else if (ws->focus == win) {
3783                 /* if in max_stack try harder */
3784                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3785                         if (win != ws->focus_prev)
3786                                 winfocus = ws->focus_prev;
3787                         else if (win != ws->focus)
3788                                 winfocus = ws->focus;
3789                 }
3790
3791                 /* fallback and normal handling */
3792                 if (winfocus == NULL) {
3793                         if (TAILQ_FIRST(wl) == win)
3794                                 winfocus = TAILQ_NEXT(win, entry);
3795                         else {
3796                                 winfocus = TAILQ_PREV(ws->focus,
3797                                     ws_win_list, entry);
3798                                 if (winfocus == NULL)
3799                                         winfocus = TAILQ_LAST(wl,
3800                                             ws_win_list);
3801                         }
3802                 }
3803         }
3804         if (unmanaged == 0)
3805                 unmanage_window(win);
3806         free_window(win);
3807
3808         ignore_enter = 1;
3809         stack();
3810         if (winfocus)
3811                 focus_win(winfocus);
3812         ignore_enter = 0;
3813 }
3814
3815 void
3816 enternotify(XEvent *e)
3817 {
3818         XCrossingEvent          *ev = &e->xcrossing;
3819         struct ws_win           *win;
3820
3821         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3822
3823         if (ignore_enter) {
3824                 /* eat event(r) to prevent autofocus */
3825                 ignore_enter = 0;
3826                 return;
3827         }
3828         /*
3829          * happens when a window is created or destroyed and the border
3830          * crosses the mouse pointer
3831          */
3832         if (QLength(display))
3833                 return;
3834
3835         if ((win = find_window(ev->window)) == NULL)
3836                 return;
3837
3838         focus_magic(win);
3839 }
3840
3841 void
3842 focusin(XEvent *e)
3843 {
3844         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3845 }
3846
3847 void
3848 focusout(XEvent *e)
3849 {
3850         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3851 }
3852
3853 void
3854 mapnotify(XEvent *e)
3855 {
3856         struct ws_win           *win;
3857         XMapEvent               *ev = &e->xmap;
3858
3859         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3860
3861         win = manage_window(ev->window);
3862         if (win)
3863                 set_win_state(win, NormalState);
3864 }
3865
3866 void
3867 mappingnotify(XEvent *e)
3868 {
3869         XMappingEvent           *ev = &e->xmapping;
3870
3871         XRefreshKeyboardMapping(ev);
3872         if (ev->request == MappingKeyboard)
3873                 grabkeys();
3874 }
3875
3876 void
3877 maprequest(XEvent *e)
3878 {
3879         struct ws_win           *win;
3880         struct swm_region       *r;
3881
3882         XMapRequestEvent        *ev = &e->xmaprequest;
3883         XWindowAttributes       wa;
3884
3885         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3886             e->xmaprequest.window);
3887
3888         if (!XGetWindowAttributes(display, ev->window, &wa))
3889                 return;
3890         if (wa.override_redirect)
3891                 return;
3892
3893         win = manage_window(e->xmaprequest.window);
3894         if (win == NULL)
3895                 return; /* can't happen */
3896
3897         ignore_enter = 1;
3898         stack();
3899         ignore_enter = 0;
3900
3901         /* make new win focused */
3902         r = root_to_region(win->wa.root);
3903         if (win->ws == r->ws)
3904                 focus_win(win);
3905 }
3906
3907 void
3908 propertynotify(XEvent *e)
3909 {
3910         struct ws_win           *win;
3911         XPropertyEvent          *ev = &e->xproperty;
3912
3913         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3914             ev->window);
3915
3916         if (ev->state == PropertyDelete)
3917                 return; /* ignore */
3918         win = find_window(ev->window);
3919         if (win == NULL)
3920                 return;
3921
3922         switch (ev->atom) {
3923         case XA_WM_NORMAL_HINTS:
3924 #if 0
3925                 long            mask;
3926                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3927                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3928                 if (win->sh.flags & PMinSize) {
3929                         win->g.w = win->sh.min_width;
3930                         win->g.h = win->sh.min_height;
3931                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3932                 }
3933                 XMoveResizeWindow(display, win->id,
3934                     win->g.x, win->g.y, win->g.w, win->g.h);
3935 #endif
3936                 break;
3937         default:
3938                 break;
3939         }
3940 }
3941
3942 void
3943 unmapnotify(XEvent *e)
3944 {
3945         struct ws_win           *win, *winfocus = NULL;
3946         struct workspace        *ws;
3947
3948         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3949
3950         /* determine if we need to help unmanage this window */
3951         win = find_window(e->xunmap.window);
3952         if (win == NULL)
3953                 return;
3954
3955         /* java can not deal with this heuristic */
3956         if (win->java)
3957                 return;
3958
3959         if (getstate(e->xunmap.window) == NormalState) {
3960                 /*
3961                  * this window does not have a destroy event but but it is no
3962                  * longer visible due to the app unmapping it so unmanage it
3963                  */
3964                 ws = win->ws;
3965                 /* if we are max_stack try harder to focus on something */
3966                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3967                         if (win->transient)
3968                                 winfocus = find_window(win->transient);
3969                         else if (win != ws->focus_prev)
3970                                 winfocus = ws->focus_prev;
3971                         else if (win != ws->focus)
3972                                 winfocus = ws->focus;
3973                 }
3974
3975                 /* normal and fallback if haven't found anything to focus on */
3976                 if (winfocus == NULL) {
3977                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3978                         if (TAILQ_FIRST(&ws->winlist) == win)
3979                                 winfocus = TAILQ_NEXT(win, entry);
3980                         else {
3981                                 if (ws->focus)
3982                                         winfocus = TAILQ_PREV(ws->focus,
3983                                             ws_win_list, entry);
3984                                 if (winfocus == NULL)
3985                                         winfocus = TAILQ_LAST(&ws->winlist,
3986                                             ws_win_list);
3987                         }
3988                 }
3989
3990                 /* trash window and refocus */
3991                 unmanage_window(win);
3992                 ignore_enter = 1;
3993                 stack();
3994                 focus_win(winfocus);
3995                 ignore_enter = 0;
3996         }
3997 }
3998
3999 void
4000 visibilitynotify(XEvent *e)
4001 {
4002         int                     i;
4003         struct swm_region       *r;
4004
4005         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4006             e->xvisibility.window);
4007         if (e->xvisibility.state == VisibilityUnobscured)
4008                 for (i = 0; i < ScreenCount(display); i++)
4009                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4010                                 if (e->xvisibility.window == r->bar_window)
4011                                         bar_update();
4012 }
4013
4014 int
4015 xerror_start(Display *d, XErrorEvent *ee)
4016 {
4017         other_wm = 1;
4018         return (-1);
4019 }
4020
4021 int
4022 xerror(Display *d, XErrorEvent *ee)
4023 {
4024         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4025         return (-1);
4026 }
4027
4028 int
4029 active_wm(void)
4030 {
4031         other_wm = 0;
4032         xerrorxlib = XSetErrorHandler(xerror_start);
4033
4034         /* this causes an error if some other window manager is running */
4035         XSelectInput(display, DefaultRootWindow(display),
4036             SubstructureRedirectMask);
4037         XSync(display, False);
4038         if (other_wm)
4039                 return (1);
4040
4041         XSetErrorHandler(xerror);
4042         XSync(display, False);
4043         return (0);
4044 }
4045
4046 void
4047 new_region(struct swm_screen *s, int x, int y, int w, int h)
4048 {
4049         struct swm_region       *r, *n;
4050         struct workspace        *ws = NULL;
4051         int                     i;
4052
4053         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4054              s->idx, w, h, x, y);
4055
4056         /* remove any conflicting regions */
4057         n = TAILQ_FIRST(&s->rl);
4058         while (n) {
4059                 r = n;
4060                 n = TAILQ_NEXT(r, entry);
4061                 if (X(r) < (x + w) &&
4062                     (X(r) + WIDTH(r)) > x &&
4063                     Y(r) < (y + h) &&
4064                     (Y(r) + HEIGHT(r)) > y) {
4065                         XDestroyWindow(display, r->bar_window);
4066                         TAILQ_REMOVE(&s->rl, r, entry);
4067                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4068                 }
4069         }
4070
4071         /* search old regions for one to reuse */
4072
4073         /* size + location match */
4074         TAILQ_FOREACH(r, &s->orl, entry)
4075                 if (X(r) == x && Y(r) == y &&
4076                     HEIGHT(r) == h && WIDTH(r) == w)
4077                         break;
4078
4079         /* size match */
4080         TAILQ_FOREACH(r, &s->orl, entry)
4081                 if (HEIGHT(r) == h && WIDTH(r) == w)
4082                         break;
4083
4084         if (r != NULL) {
4085                 TAILQ_REMOVE(&s->orl, r, entry);
4086                 /* try to use old region's workspace */
4087                 if (r->ws->r == NULL)
4088                         ws = r->ws;
4089         } else
4090                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4091                         errx(1, "calloc: failed to allocate memory for screen");
4092
4093         /* if we don't have a workspace already, find one */
4094         if (ws == NULL) {
4095                 for (i = 0; i < SWM_WS_MAX; i++)
4096                         if (s->ws[i].r == NULL) {
4097                                 ws = &s->ws[i];
4098                                 break;
4099                         }
4100         }
4101
4102         if (ws == NULL)
4103                 errx(1, "no free workspaces\n");
4104
4105         X(r) = x;
4106         Y(r) = y;
4107         WIDTH(r) = w;
4108         HEIGHT(r) = h;
4109         r->s = s;
4110         r->ws = ws;
4111         ws->r = r;
4112         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4113 }
4114
4115 void
4116 scan_xrandr(int i)
4117 {
4118 #ifdef SWM_XRR_HAS_CRTC
4119         XRRCrtcInfo             *ci;
4120         XRRScreenResources      *sr;
4121         int                     c;
4122         int                     ncrtc = 0;
4123 #endif /* SWM_XRR_HAS_CRTC */
4124         struct swm_region       *r;
4125
4126
4127         if (i >= ScreenCount(display))
4128                 errx(1, "invalid screen");
4129
4130         /* remove any old regions */
4131         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4132                 r->ws->old_r = r->ws->r = NULL;
4133                 XDestroyWindow(display, r->bar_window);
4134                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4135                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4136         }
4137
4138         /* map virtual screens onto physical screens */
4139 #ifdef SWM_XRR_HAS_CRTC
4140         outputs = 0;
4141         if (xrandr_support) {
4142                 sr = XRRGetScreenResources(display, screens[i].root);
4143                 if (sr == NULL)
4144                         new_region(&screens[i], 0, 0,
4145                             DisplayWidth(display, i),
4146                             DisplayHeight(display, i));
4147                 else
4148                         ncrtc = sr->ncrtc;
4149
4150                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4151                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4152                         if (ci->noutput == 0)
4153                                 continue;
4154                         outputs++;
4155
4156                         if (ci != NULL && ci->mode == None)
4157                                 new_region(&screens[i], 0, 0,
4158                                     DisplayWidth(display, i),
4159                                     DisplayHeight(display, i));
4160                         else
4161                                 new_region(&screens[i],
4162                                     ci->x, ci->y, ci->width, ci->height);
4163                 }
4164                 if (ci)
4165                         XRRFreeCrtcInfo(ci);
4166                 XRRFreeScreenResources(sr);
4167         } else
4168 #endif /* SWM_XRR_HAS_CRTC */
4169         {
4170                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4171                     DisplayHeight(display, i));
4172         }
4173 }
4174
4175 void
4176 screenchange(XEvent *e) {
4177         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4178         struct swm_region               *r;
4179         int                             i;
4180
4181         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4182
4183         if (!XRRUpdateConfiguration(e))
4184                 return;
4185
4186         /* silly event doesn't include the screen index */
4187         for (i = 0; i < ScreenCount(display); i++)
4188                 if (screens[i].root == xe->root)
4189                         break;
4190         if (i >= ScreenCount(display))
4191                 errx(1, "screenchange: screen not found\n");
4192
4193         /* brute force for now, just re-enumerate the regions */
4194         scan_xrandr(i);
4195
4196         /* add bars to all regions */
4197         for (i = 0; i < ScreenCount(display); i++)
4198                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4199                         bar_setup(r);
4200         stack();
4201 }
4202
4203 void
4204 setup_screens(void)
4205 {
4206         Window                  d1, d2, *wins = NULL;
4207         XWindowAttributes       wa;
4208         unsigned int            no;
4209         int                     i, j, k;
4210         int                     errorbase, major, minor;
4211         struct workspace        *ws;
4212         int                     ws_idx_atom;
4213         long                    state, manage;
4214
4215         if ((screens = calloc(ScreenCount(display),
4216              sizeof(struct swm_screen))) == NULL)
4217                 errx(1, "calloc: screens");
4218
4219         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4220
4221         /* initial Xrandr setup */
4222         xrandr_support = XRRQueryExtension(display,
4223             &xrandr_eventbase, &errorbase);
4224         if (xrandr_support)
4225                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4226                         xrandr_support = 0;
4227
4228         /* map physical screens */
4229         for (i = 0; i < ScreenCount(display); i++) {
4230                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4231                 screens[i].idx = i;
4232                 TAILQ_INIT(&screens[i].rl);
4233                 TAILQ_INIT(&screens[i].orl);
4234                 screens[i].root = RootWindow(display, i);
4235
4236                 /* set default colors */
4237                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4238                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4239                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4240                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4241                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4242
4243                 /* init all workspaces */
4244                 /* XXX these should be dynamically allocated too */
4245                 for (j = 0; j < SWM_WS_MAX; j++) {
4246                         ws = &screens[i].ws[j];
4247                         ws->idx = j;
4248                         ws->focus = NULL;
4249                         ws->r = NULL;
4250                         ws->old_r = NULL;
4251                         TAILQ_INIT(&ws->winlist);
4252                         TAILQ_INIT(&ws->unmanagedlist);
4253
4254                         for (k = 0; layouts[k].l_stack != NULL; k++)
4255                                 if (layouts[k].l_config != NULL)
4256                                         layouts[k].l_config(ws,
4257                                             SWM_ARG_ID_STACKINIT);
4258                         ws->cur_layout = &layouts[0];
4259                 }
4260                 /* grab existing windows (before we build the bars)*/
4261                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4262                         continue;
4263
4264                 scan_xrandr(i);
4265
4266                 if (xrandr_support)
4267                         XRRSelectInput(display, screens[i].root,
4268                             RRScreenChangeNotifyMask);
4269
4270                 /* attach windows to a region */
4271                 /* normal windows */
4272                 for (j = 0; j < no; j++) {
4273                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4274                             wa.override_redirect ||
4275                             XGetTransientForHint(display, wins[j], &d1))
4276                                 continue;
4277
4278                         state = getstate(wins[j]);
4279                         manage = state == IconicState;
4280                         if (wa.map_state == IsViewable || manage)
4281                                 manage_window(wins[j]);
4282                 }
4283                 /* transient windows */
4284                 for (j = 0; j < no; j++) {
4285                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4286                             wa.override_redirect)
4287                                 continue;
4288
4289                         state = getstate(wins[j]);
4290                         manage = state == IconicState;
4291                         if (XGetTransientForHint(display, wins[j], &d1) &&
4292                             manage)
4293                                 manage_window(wins[j]);
4294                 }
4295                 if (wins) {
4296                         XFree(wins);
4297                         wins = NULL;
4298                 }
4299         }
4300 }
4301
4302 void
4303 setup_globals(void)
4304 {
4305         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4306             == NULL)
4307                 err(1, "setup_globals: strdup");
4308         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4309             == NULL)
4310                 err(1, "setup_globals: strdup");
4311         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4312             == NULL)
4313                 err(1, "setup_globals: strdup");
4314         if ((spawn_term[0] = strdup("xterm")) == NULL)
4315                 err(1, "setup_globals: strdup");
4316 }
4317
4318 void
4319 workaround(void)
4320 {
4321         int                     i;
4322         Atom                    netwmcheck, netwmname, utf8_string;
4323         Window                  root;
4324
4325         /* work around sun jdk bugs, code from wmname */
4326         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4327         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4328         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4329         for (i = 0; i < ScreenCount(display); i++) {
4330                 root = screens[i].root;
4331                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4332                     PropModeReplace, (unsigned char *)&root, 1);
4333                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4334                     PropModeReplace, "LG3D", strlen("LG3D"));
4335         }
4336 }
4337
4338 int
4339 main(int argc, char *argv[])
4340 {
4341         struct passwd           *pwd;
4342         struct swm_region       *r, *rr;
4343         struct ws_win           *winfocus = NULL;
4344         struct timeval          tv;
4345         char                    conf[PATH_MAX], *cfile = NULL;
4346         struct stat             sb;
4347         XEvent                  e;
4348         int                     xfd, i;
4349         fd_set                  rd;
4350
4351         start_argv = argv;
4352         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4353             SWM_VERSION, cvstag);
4354         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4355                 warnx("no locale support");
4356
4357         if (!(display = XOpenDisplay(0)))
4358                 errx(1, "can not open display");
4359
4360         if (active_wm())
4361                 errx(1, "other wm running");
4362
4363         /* handle some signale */
4364         installsignal(SIGINT, "INT");
4365         installsignal(SIGHUP, "HUP");
4366         installsignal(SIGQUIT, "QUIT");
4367         installsignal(SIGTERM, "TERM");
4368         installsignal(SIGCHLD, "CHLD");
4369
4370         astate = XInternAtom(display, "WM_STATE", False);
4371         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4372         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4373         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4374
4375         /* look for local and global conf file */
4376         pwd = getpwuid(getuid());
4377         if (pwd == NULL)
4378                 errx(1, "invalid user %d", getuid());
4379
4380         setup_screens();
4381         setup_globals();
4382         setup_keys();
4383         setup_quirks();
4384         setup_spawn();
4385
4386         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4387         if (stat(conf, &sb) != -1) {
4388                 if (S_ISREG(sb.st_mode))
4389                         cfile = conf;
4390         } else {
4391                 /* try global conf file */
4392                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4393                 if (!stat(conf, &sb))
4394                         if (S_ISREG(sb.st_mode))
4395                                 cfile = conf;
4396         }
4397         if (cfile)
4398                 conf_load(cfile);
4399
4400         /* setup all bars */
4401         for (i = 0; i < ScreenCount(display); i++)
4402                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4403                         if (winfocus == NULL)
4404                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4405                         bar_setup(r);
4406                 }
4407
4408         /* set some values to work around bad programs */
4409         workaround();
4410
4411         grabkeys();
4412         stack();
4413
4414         xfd = ConnectionNumber(display);
4415         while (running) {
4416                 while (XPending(display)) {
4417                         XNextEvent(display, &e);
4418                         if (running == 0)
4419                                 goto done;
4420                         if (e.type < LASTEvent) {
4421                                 dumpevent(&e);
4422                                 if (handler[e.type])
4423                                         handler[e.type](&e);
4424                                 else
4425                                         DNPRINTF(SWM_D_EVENT,
4426                                             "win: %lu unknown event: %d\n",
4427                                             e.xany.window, e.type);
4428                         } else {
4429                                 switch (e.type - xrandr_eventbase) {
4430                                 case RRScreenChangeNotify:
4431                                         screenchange(&e);
4432                                         break;
4433                                 default:
4434                                         DNPRINTF(SWM_D_EVENT,
4435                                             "win: %lu unknown xrandr event: "
4436                                             "%d\n", e.xany.window, e.type);
4437                                         break;
4438                                 }
4439                         }
4440                 }
4441
4442                 /* if we are being restarted go focus on first window */
4443                 if (winfocus) {
4444                         rr = TAILQ_FIRST(&screens[0].rl);
4445                         /* move pointer to first screen if multi screen */
4446                         if (ScreenCount(display) > 1 || outputs > 1)
4447                                 XWarpPointer(display, None, rr->s[0].root,
4448                                     0, 0, 0, 0, rr->g.x,
4449                                     rr->g.y + bar_enabled ? bar_height : 0);
4450
4451                         focus_win(winfocus);
4452                         winfocus = NULL;
4453                         continue;
4454                 }
4455
4456                 FD_ZERO(&rd);
4457                 FD_SET(xfd, &rd);
4458                 tv.tv_sec = 1;
4459                 tv.tv_usec = 0;
4460                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4461                         if (errno != EINTR)
4462                                 DNPRINTF(SWM_D_MISC, "select failed");
4463                 if (running == 0)
4464                         goto done;
4465                 if (bar_alarm) {
4466                         bar_alarm = 0;
4467                         bar_update();
4468                 }
4469         }
4470 done:
4471         bar_extra_stop();
4472
4473         XCloseDisplay(display);
4474
4475         return (0);
4476 }