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         /* XXX need to fix manual moving into a new region */
1711         /* adjust for region */
1712         if (wc.x < r->g.x)
1713                 wc.x += r->g.x;
1714         if (wc.y < r->g.y)
1715                 wc.y += r->g.y;
1716
1717         win->g.x = wc.x;
1718         win->g.y = wc.y;
1719         win->g.w = wc.width;
1720         win->g.h = wc.height;
1721
1722         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
1723             win->id, wc.x, wc.y, wc.width, wc.height);
1724
1725         XConfigureWindow(display, win->id, mask, &wc);
1726         configreq_win(win);
1727 }
1728
1729 /*
1730  * Send keystrokes to terminal to decrease/increase the font size as the
1731  * window size changes.
1732  */
1733 void
1734 adjust_font(struct ws_win *win)
1735 {
1736         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1737             win->floating || win->transient)
1738                 return;
1739
1740         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1741             win->g.w / win->sh.width_inc < term_width &&
1742             win->font_steps < SWM_MAX_FONT_STEPS) {
1743                 win->font_size_boundary[win->font_steps] =
1744                     (win->sh.width_inc * term_width) + win->sh.base_width;
1745                 win->font_steps++;
1746                 font_adjusted++;
1747                 win->last_inc = win->sh.width_inc;
1748                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1749         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1750             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1751                 win->font_steps--;
1752                 font_adjusted++;
1753                 win->last_inc = win->sh.width_inc;
1754                 fake_keypress(win, XK_KP_Add, ShiftMask);
1755         }
1756 }
1757
1758 #define SWAPXY(g)       do {                            \
1759         int tmp;                                        \
1760         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1761         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1762 } while (0)
1763 void
1764 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1765 {
1766         XWindowChanges          wc;
1767         struct swm_geometry     win_g, r_g = *g;
1768         struct ws_win           *win;
1769         int                     i, j, s, stacks;
1770         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1771         int                     hrh, extra = 0, h_slice, last_h = 0;
1772         int                     split, colno, winno, mwin, msize, mscale;
1773         int                     remain, missing, v_slice, reconfigure;
1774         unsigned int            mask;
1775
1776         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1777             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1778
1779         winno = count_win(ws, 0);
1780         if (winno == 0 && count_win(ws, 1) == 0)
1781                 return;
1782
1783         TAILQ_FOREACH(win, &ws->winlist, entry)
1784                 if (win->transient == 0 && win->floating == 0)
1785                         break;
1786
1787         if (win == NULL)
1788                 goto notiles;
1789
1790         if (rot) {
1791                 w_inc = win->sh.width_inc;
1792                 w_base = win->sh.base_width;
1793                 mwin = ws->l_state.horizontal_mwin;
1794                 mscale = ws->l_state.horizontal_msize;
1795                 stacks = ws->l_state.horizontal_stacks;
1796                 SWAPXY(&r_g);
1797         } else {
1798                 w_inc = win->sh.height_inc;
1799                 w_base = win->sh.base_height;
1800                 mwin = ws->l_state.vertical_mwin;
1801                 mscale = ws->l_state.vertical_msize;
1802                 stacks = ws->l_state.vertical_stacks;
1803         }
1804         win_g = r_g;
1805
1806         if (stacks > winno - mwin)
1807                 stacks = winno - mwin;
1808         if (stacks < 1)
1809                 stacks = 1;
1810
1811         h_slice = r_g.h / SWM_H_SLICE;
1812         if (mwin && winno > mwin) {
1813                 v_slice = r_g.w / SWM_V_SLICE;
1814
1815                 split = mwin;
1816                 colno = split;
1817                 win_g.w = v_slice * mscale;
1818
1819                 if (w_inc > 1 && w_inc < v_slice) {
1820                         /* adjust for window's requested size increment */
1821                         remain = (win_g.w - w_base) % w_inc;
1822                         missing = w_inc - remain;
1823                         win_g.w -= remain;
1824                         extra += remain;
1825                 }
1826
1827                 msize = win_g.w;
1828                 if (flip)
1829                         win_g.x += r_g.w - msize;
1830         } else {
1831                 msize = -2;
1832                 colno = split = winno / stacks;
1833                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1834         }
1835         hrh = r_g.h / colno;
1836         extra = r_g.h - (colno * hrh);
1837         win_g.h = hrh - 2;
1838
1839         /*  stack all the tiled windows */
1840         i = j = 0, s = stacks;
1841         TAILQ_FOREACH(win, &ws->winlist, entry) {
1842                 if (win->transient != 0 || win->floating != 0)
1843                         continue;
1844
1845                 if (split && i == split) {
1846                         colno = (winno - mwin) / stacks;
1847                         if (s <= (winno - mwin) % stacks)
1848                                 colno++;
1849                         split = split + colno;
1850                         hrh = (r_g.h / colno);
1851                         extra = r_g.h - (colno * hrh);
1852                         if (flip)
1853                                 win_g.x = r_g.x;
1854                         else
1855                                 win_g.x += win_g.w + 2;
1856                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1857                         if (s == 1)
1858                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1859                                     stacks;
1860                         s--;
1861                         j = 0;
1862                 }
1863                 win_g.h = hrh - 2;
1864                 if (rot) {
1865                         h_inc = win->sh.width_inc;
1866                         h_base = win->sh.base_width;
1867                 } else {
1868                         h_inc = win->sh.height_inc;
1869                         h_base = win->sh.base_height;
1870                 }
1871                 if (j == colno - 1) {
1872                         win_g.h = hrh + extra;
1873                 } else if (h_inc > 1 && h_inc < h_slice) {
1874                         /* adjust for window's requested size increment */
1875                         remain = (win_g.h - h_base) % h_inc;
1876                         missing = h_inc - remain;
1877
1878                         if (missing <= extra || j == 0) {
1879                                 extra -= missing;
1880                                 win_g.h += missing;
1881                         } else {
1882                                 win_g.h -= remain;
1883                                 extra += remain;
1884                         }
1885                 }
1886
1887                 if (j == 0)
1888                         win_g.y = r_g.y;
1889                 else
1890                         win_g.y += last_h + 2;
1891
1892                 bzero(&wc, sizeof wc);
1893                 wc.border_width = 1;
1894                 reconfigure = 0;
1895                 if (rot) {
1896                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
1897                             win->g.w != win_g.h || win->g.h != win_g.w) {
1898                                 reconfigure = 1;
1899                                 win->g.x = wc.x = win_g.y;
1900                                 win->g.y = wc.y = win_g.x;
1901                                 win->g.w = wc.width = win_g.h;
1902                                 win->g.h = wc.height = win_g.w;
1903                         }
1904                 } else {
1905                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
1906                             win->g.w != win_g.w || win->g.h != win_g.h) {
1907                                 reconfigure = 1;
1908                                 win->g.x = wc.x = win_g.x;
1909                                 win->g.y = wc.y = win_g.y;
1910                                 win->g.w = wc.width = win_g.w;
1911                                 win->g.h = wc.height = win_g.h;
1912                         }
1913                 }
1914                 if (reconfigure) {
1915                         adjust_font(win);
1916                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1917                         XConfigureWindow(display, win->id, mask, &wc);
1918                         configreq_win(win);
1919                 }
1920                 XMapRaised(display, win->id);
1921
1922                 last_h = win_g.h;
1923                 i++;
1924                 j++;
1925         }
1926
1927  notiles:
1928         /* now, stack all the floaters and transients */
1929         TAILQ_FOREACH(win, &ws->winlist, entry) {
1930                 if (win->transient == 0 && win->floating == 0)
1931                         continue;
1932
1933                 stack_floater(win, ws->r);
1934                 XMapRaised(display, win->id);
1935         }
1936 }
1937
1938 void
1939 vertical_config(struct workspace *ws, int id)
1940 {
1941         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1942
1943         switch (id) {
1944         case SWM_ARG_ID_STACKRESET:
1945         case SWM_ARG_ID_STACKINIT:
1946                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1947                 ws->l_state.vertical_mwin = 1;
1948                 ws->l_state.vertical_stacks = 1;
1949                 break;
1950         case SWM_ARG_ID_MASTERSHRINK:
1951                 if (ws->l_state.vertical_msize > 1)
1952                         ws->l_state.vertical_msize--;
1953                 break;
1954         case SWM_ARG_ID_MASTERGROW:
1955                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1956                         ws->l_state.vertical_msize++;
1957                 break;
1958         case SWM_ARG_ID_MASTERADD:
1959                 ws->l_state.vertical_mwin++;
1960                 break;
1961         case SWM_ARG_ID_MASTERDEL:
1962                 if (ws->l_state.vertical_mwin > 0)
1963                         ws->l_state.vertical_mwin--;
1964                 break;
1965         case SWM_ARG_ID_STACKINC:
1966                 ws->l_state.vertical_stacks++;
1967                 break;
1968         case SWM_ARG_ID_STACKDEC:
1969                 if (ws->l_state.vertical_stacks > 1)
1970                         ws->l_state.vertical_stacks--;
1971                 break;
1972         default:
1973                 return;
1974         }
1975 }
1976
1977 void
1978 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1979 {
1980         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1981
1982         stack_master(ws, g, 0, 0);
1983 }
1984
1985 void
1986 horizontal_config(struct workspace *ws, int id)
1987 {
1988         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1989
1990         switch (id) {
1991         case SWM_ARG_ID_STACKRESET:
1992         case SWM_ARG_ID_STACKINIT:
1993                 ws->l_state.horizontal_mwin = 1;
1994                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1995                 ws->l_state.horizontal_stacks = 1;
1996                 break;
1997         case SWM_ARG_ID_MASTERSHRINK:
1998                 if (ws->l_state.horizontal_msize > 1)
1999                         ws->l_state.horizontal_msize--;
2000                 break;
2001         case SWM_ARG_ID_MASTERGROW:
2002                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2003                         ws->l_state.horizontal_msize++;
2004                 break;
2005         case SWM_ARG_ID_MASTERADD:
2006                 ws->l_state.horizontal_mwin++;
2007                 break;
2008         case SWM_ARG_ID_MASTERDEL:
2009                 if (ws->l_state.horizontal_mwin > 0)
2010                         ws->l_state.horizontal_mwin--;
2011                 break;
2012         case SWM_ARG_ID_STACKINC:
2013                 ws->l_state.horizontal_stacks++;
2014                 break;
2015         case SWM_ARG_ID_STACKDEC:
2016                 if (ws->l_state.horizontal_stacks > 1)
2017                         ws->l_state.horizontal_stacks--;
2018                 break;
2019         default:
2020                 return;
2021         }
2022 }
2023
2024 void
2025 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2026 {
2027         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2028
2029         stack_master(ws, g, 1, 0);
2030 }
2031
2032 /* fullscreen view */
2033 void
2034 max_stack(struct workspace *ws, struct swm_geometry *g)
2035 {
2036         XWindowChanges          wc;
2037         struct swm_geometry     gg = *g;
2038         struct ws_win           *win, *wintrans = NULL;
2039         unsigned int            mask;
2040         int                     winno;
2041
2042         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2043
2044         if (ws == NULL)
2045                 return;
2046
2047         winno = count_win(ws, 0);
2048         if (winno == 0 && count_win(ws, 1) == 0)
2049                 return;
2050
2051         TAILQ_FOREACH(win, &ws->winlist, entry) {
2052                 if (win->transient) {
2053                         wintrans = win;
2054                         continue;
2055                 }
2056
2057                 /* only reconfigure if necessary */
2058                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2059                     win->g.h != gg.h) {
2060                         bzero(&wc, sizeof wc);
2061                         wc.border_width = 1;
2062                         win->g.x = wc.x = gg.x;
2063                         win->g.y = wc.y = gg.y;
2064                         win->g.w = wc.width = gg.w;
2065                         win->g.h = wc.height = gg.h;
2066                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2067                         XConfigureWindow(display, win->id, mask, &wc);
2068                         configreq_win(win);
2069                 }
2070                 /* unmap only if we don't have multi screen */
2071                 if (win != ws->focus)
2072                         if (!(ScreenCount(display) > 1 || outputs > 1))
2073                                 unmap_window(win);
2074         }
2075
2076         /* put the last transient on top */
2077         if (wintrans) {
2078                 stack_floater(wintrans, ws->r);
2079                 focus_win(wintrans); /* override */
2080         }
2081 }
2082
2083 void
2084 send_to_ws(struct swm_region *r, union arg *args)
2085 {
2086         int                     wsid = args->id;
2087         struct ws_win           *win = win, *winfocus = NULL;
2088         struct workspace        *ws, *nws;
2089         Atom                    ws_idx_atom = 0;
2090         unsigned char           ws_idx_str[SWM_PROPLEN];
2091
2092         if (r && r->ws)
2093                 win = r->ws->focus;
2094         else
2095                 return;
2096         if (win == NULL)
2097                 return;
2098
2099         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2100
2101         ws = win->ws;
2102         nws = &win->s->ws[wsid];
2103
2104         /* find a window to focus */
2105         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2106         if (TAILQ_FIRST(&ws->winlist) == win)
2107                 winfocus = TAILQ_NEXT(win, entry);
2108         else {
2109                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2110                 if (winfocus == NULL)
2111                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2112         }
2113         /* out of windows in ws so focus on nws instead if we multi screen */
2114         if (winfocus == NULL)
2115                 if (ScreenCount(display) > 1 || outputs > 1)
2116                         winfocus = win;
2117
2118         unmap_window(win);
2119         TAILQ_REMOVE(&ws->winlist, win, entry);
2120         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2121         win->ws = nws;
2122
2123         /* Try to update the window's workspace property */
2124         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2125         if (ws_idx_atom &&
2126             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2127                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2128                     ws_idx_str);
2129                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2130                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2131         }
2132
2133         if (count_win(nws, 1) == 1)
2134                 nws->focus = win;
2135
2136         stack();
2137         if (winfocus)
2138                 focus_win(winfocus);
2139 }
2140
2141 void
2142 wkill(struct swm_region *r, union arg *args)
2143 {
2144         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2145
2146         if(r->ws->focus == NULL)
2147                 return;
2148
2149         if (args->id == SWM_ARG_ID_KILLWINDOW)
2150                 XKillClient(display, r->ws->focus->id);
2151         else
2152                 if (r->ws->focus->can_delete)
2153                         client_msg(r->ws->focus, adelete);
2154 }
2155
2156 void
2157 floating_toggle(struct swm_region *r, union arg *args)
2158 {
2159         struct ws_win   *win = r->ws->focus;
2160
2161         if (win == NULL)
2162                 return;
2163
2164         win->floating = !win->floating;
2165         win->manual = 0;
2166         stack();
2167         focus_win(win);
2168 }
2169
2170 void
2171 resize_window(struct ws_win *win, int center)
2172 {
2173         unsigned int            mask;
2174         XWindowChanges          wc;
2175         struct swm_region       *r;
2176
2177         r = root_to_region(win->wa.root);
2178         bzero(&wc, sizeof wc);
2179         mask = CWBorderWidth | CWWidth | CWHeight;
2180         wc.border_width = 1;
2181         wc.width = win->g.w;
2182         wc.height = win->g.h;
2183         if (center == SWM_ARG_ID_CENTER) {
2184                 wc.x = (WIDTH(r) - win->g.w) / 2;
2185                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2186                 mask |= CWX | CWY;
2187         }
2188
2189         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2190             win->id, wc.x, wc.y, wc.width, wc.height);
2191
2192         XConfigureWindow(display, win->id, mask, &wc);
2193         configreq_win(win);
2194 }
2195
2196 void
2197 resize(struct ws_win *win, union arg *args)
2198 {
2199         XEvent                  ev;
2200         Time                    time = 0;
2201
2202         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2203             win->id, win->floating, win->transient);
2204
2205         if (!(win->transient != 0 || win->floating != 0))
2206                 return;
2207
2208         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2209             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2210                 return;
2211         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2212         do {
2213                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2214                     SubstructureRedirectMask, &ev);
2215                 switch(ev.type) {
2216                 case ConfigureRequest:
2217                 case Expose:
2218                 case MapRequest:
2219                         handler[ev.type](&ev);
2220                         break;
2221                 case MotionNotify:
2222                         if (ev.xmotion.x <= 1)
2223                                 ev.xmotion.x = 1;
2224                         if (ev.xmotion.y <= 1)
2225                                 ev.xmotion.y = 1;
2226                         win->g.w = ev.xmotion.x;
2227                         win->g.h = ev.xmotion.y;
2228
2229                         /* not free, don't sync more than 60 times / second */
2230                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2231                                 time = ev.xmotion.time;
2232                                 XSync(display, False);
2233                                 resize_window(win, args->id);
2234                         }
2235                         break;
2236                 }
2237         } while (ev.type != ButtonRelease);
2238         if (time) {
2239                 XSync(display, False);
2240                 resize_window(win, args->id);
2241         }
2242         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2243             win->g.h - 1);
2244         XUngrabPointer(display, CurrentTime);
2245
2246         /* drain events */
2247         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2248 }
2249
2250 void
2251 move_window(struct ws_win *win)
2252 {
2253         unsigned int            mask;
2254         XWindowChanges          wc;
2255         struct swm_region       *r;
2256
2257         r = root_to_region(win->wa.root);
2258         bzero(&wc, sizeof wc);
2259         mask = CWX | CWY;
2260         wc.x = win->g.x;
2261         wc.y = win->g.y;
2262
2263         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2264             win->id, wc.x, wc.y, wc.width, wc.height);
2265
2266         XConfigureWindow(display, win->id, mask, &wc);
2267         configreq_win(win);
2268 }
2269
2270 void
2271 move(struct ws_win *win, union arg *args)
2272 {
2273         XEvent                  ev;
2274         Time                    time = 0;
2275         int                     restack = 0;
2276
2277         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2278             win->id, win->floating, win->transient);
2279
2280         if (win->floating == 0) {
2281                 win->floating = 1;
2282                 win->manual = 1;
2283                 restack = 1;
2284         }
2285
2286         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2287             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2288                 return;
2289         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2290         do {
2291                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2292                     SubstructureRedirectMask, &ev);
2293                 switch(ev.type) {
2294                 case ConfigureRequest:
2295                 case Expose:
2296                 case MapRequest:
2297                         handler[ev.type](&ev);
2298                         break;
2299                 case MotionNotify:
2300                         win->g.x = ev.xmotion.x_root;
2301                         win->g.y = ev.xmotion.y_root;
2302
2303                         /* not free, don't sync more than 60 times / second */
2304                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2305                                 time = ev.xmotion.time;
2306                                 XSync(display, False);
2307                                 move_window(win);
2308                         }
2309                         break;
2310                 }
2311         } while (ev.type != ButtonRelease);
2312         if (time) {
2313                 XSync(display, False);
2314                 move_window(win);
2315         }
2316         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2317         XUngrabPointer(display, CurrentTime);
2318         if (restack)
2319                 stack();
2320
2321         /* drain events */
2322         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2323
2324         /* XXX need to fix manual moving into a new region */
2325 }
2326
2327 /* key definitions */
2328 void
2329 dummykeyfunc(struct swm_region *r, union arg *args)
2330 {
2331 };
2332
2333 void
2334 legacyfunc(struct swm_region *r, union arg *args)
2335 {
2336 };
2337
2338 struct keyfunc {
2339         char                    name[SWM_FUNCNAME_LEN];
2340         void                    (*func)(struct swm_region *r, union arg *);
2341         union arg               args;
2342 } keyfuncs[kf_invalid + 1] = {
2343         /* name                 function        argument */
2344         { "cycle_layout",       cycle_layout,   {0} },
2345         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2346         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2347         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2348         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2349         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2350         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2351         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2352         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2353         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2354         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2355         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2356         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2357         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2358         { "spawn_menu",         legacyfunc,     {0} },
2359         { "quit",               quit,           {0} },
2360         { "restart",            restart,        {0} },
2361         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2362         { "ws_1",               switchws,       {.id = 0} },
2363         { "ws_2",               switchws,       {.id = 1} },
2364         { "ws_3",               switchws,       {.id = 2} },
2365         { "ws_4",               switchws,       {.id = 3} },
2366         { "ws_5",               switchws,       {.id = 4} },
2367         { "ws_6",               switchws,       {.id = 5} },
2368         { "ws_7",               switchws,       {.id = 6} },
2369         { "ws_8",               switchws,       {.id = 7} },
2370         { "ws_9",               switchws,       {.id = 8} },
2371         { "ws_10",              switchws,       {.id = 9} },
2372         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2373         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2374         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2375         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2376         { "mvws_1",             send_to_ws,     {.id = 0} },
2377         { "mvws_2",             send_to_ws,     {.id = 1} },
2378         { "mvws_3",             send_to_ws,     {.id = 2} },
2379         { "mvws_4",             send_to_ws,     {.id = 3} },
2380         { "mvws_5",             send_to_ws,     {.id = 4} },
2381         { "mvws_6",             send_to_ws,     {.id = 5} },
2382         { "mvws_7",             send_to_ws,     {.id = 6} },
2383         { "mvws_8",             send_to_ws,     {.id = 7} },
2384         { "mvws_9",             send_to_ws,     {.id = 8} },
2385         { "mvws_10",            send_to_ws,     {.id = 9} },
2386         { "bar_toggle",         bar_toggle,     {0} },
2387         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2388         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2389         { "screenshot_all",     legacyfunc,     {0} },
2390         { "screenshot_wind",    legacyfunc,     {0} },
2391         { "float_toggle",       floating_toggle,{0} },
2392         { "version",            version,        {0} },
2393         { "spawn_lock",         legacyfunc,     {0} },
2394         { "spawn_initscr",      legacyfunc,     {0} },
2395         { "spawn_custom",       dummykeyfunc,   {0} },
2396         { "dumpwins",           dumpwins,       {0} },
2397         { "invalid key func",   NULL,           {0} },
2398 };
2399 struct key {
2400         unsigned int            mod;
2401         KeySym                  keysym;
2402         enum keyfuncid          funcid;
2403         char                    *spawn_name;
2404 };
2405 int                             keys_size = 0, keys_length = 0;
2406 struct key                      *keys = NULL;
2407
2408 /* mouse */
2409 enum { client_click, root_click };
2410 struct button {
2411         unsigned int            action;
2412         unsigned int            mask;
2413         unsigned int            button;
2414         void                    (*func)(struct ws_win *, union arg *);
2415         union arg               args;
2416 } buttons[] = {
2417           /* action     key             mouse button    func    args */
2418         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2419         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2420         { client_click, MODKEY,         Button1,        move,   {0} },
2421 };
2422
2423 void
2424 update_modkey(unsigned int mod)
2425 {
2426         int                     i;
2427
2428         mod_key = mod;
2429         for (i = 0; i < keys_length; i++)
2430                 if (keys[i].mod & ShiftMask)
2431                         keys[i].mod = mod | ShiftMask;
2432                 else
2433                         keys[i].mod = mod;
2434
2435         for (i = 0; i < LENGTH(buttons); i++)
2436                 if (buttons[i].mask & ShiftMask)
2437                         buttons[i].mask = mod | ShiftMask;
2438                 else
2439                         buttons[i].mask = mod;
2440 }
2441
2442 /* spawn */
2443 struct spawn_prog {
2444         char                    *name;
2445         int                     argc;
2446         char                    **argv;
2447 };
2448
2449 int                             spawns_size = 0, spawns_length = 0;
2450 struct spawn_prog               *spawns = NULL;
2451
2452 void
2453 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2454 {
2455         union arg               a;
2456         struct spawn_prog       *prog = NULL;
2457         int                     i;
2458         char                    *ap, **real_args;
2459
2460         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2461
2462         /* find program */
2463         for (i = 0; i < spawns_length; i++) {
2464                 if (!strcasecmp(spawn_name, spawns[i].name))
2465                         prog = &spawns[i];
2466         }
2467         if (prog == NULL) {
2468                 fprintf(stderr, "spawn_custom: program %s not found\n",
2469                     spawn_name);
2470                 return;
2471         }
2472
2473         /* make room for expanded args */
2474         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2475                 err(1, "spawn_custom: calloc real_args");
2476
2477         /* expand spawn_args into real_args */
2478         for (i = 0; i < prog->argc; i++) {
2479                 ap = prog->argv[i];
2480                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2481                 if (!strcasecmp(ap, "$bar_border")) {
2482                         if ((real_args[i] =
2483                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2484                             == NULL)
2485                                 err(1,  "spawn_custom border color");
2486                 } else if (!strcasecmp(ap, "$bar_color")) {
2487                         if ((real_args[i] =
2488                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2489                             == NULL)
2490                                 err(1, "spawn_custom bar color");
2491                 } else if (!strcasecmp(ap, "$bar_font")) {
2492                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2493                             == NULL)
2494                                 err(1, "spawn_custom bar fonts");
2495                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2496                         if ((real_args[i] =
2497                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2498                             == NULL)
2499                                 err(1, "spawn_custom color font");
2500                 } else if (!strcasecmp(ap, "$color_focus")) {
2501                         if ((real_args[i] =
2502                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2503                             == NULL)
2504                                 err(1, "spawn_custom color focus");
2505                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2506                         if ((real_args[i] =
2507                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2508                             == NULL)
2509                                 err(1, "spawn_custom color unfocus");
2510                 } else {
2511                         /* no match --> copy as is */
2512                         if ((real_args[i] = strdup(ap)) == NULL)
2513                                 err(1, "spawn_custom strdup(ap)");
2514                 }
2515                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2516                     real_args[i]);
2517         }
2518
2519 #ifdef SWM_DEBUG
2520         if ((swm_debug & SWM_D_SPAWN) != 0) {
2521                 fprintf(stderr, "spawn_custom: result = ");
2522                 for (i = 0; i < prog->argc; i++)
2523                         fprintf(stderr, "\"%s\" ", real_args[i]);
2524                 fprintf(stderr, "\n");
2525         }
2526 #endif
2527
2528         a.argv = real_args;
2529         spawn(r, &a);
2530         for (i = 0; i < prog->argc; i++)
2531                 free(real_args[i]);
2532         free(real_args);
2533 }
2534
2535 void
2536 setspawn(struct spawn_prog *prog)
2537 {
2538         int                     i, j;
2539
2540         if (prog == NULL || prog->name == NULL)
2541                 return;
2542
2543         /* find existing */
2544         for (i = 0; i < spawns_length; i++) {
2545                 if (!strcmp(spawns[i].name, prog->name)) {
2546                         /* found */
2547                         if (prog->argv == NULL) {
2548                                 /* delete */
2549                                 DNPRINTF(SWM_D_SPAWN,
2550                                     "setspawn: delete #%d %s\n",
2551                                     i, spawns[i].name);
2552                                 free(spawns[i].name);
2553                                 for (j = 0; j < spawns[i].argc; j++)
2554                                         free(spawns[i].argv[j]);
2555                                 free(spawns[i].argv);
2556                                 j = spawns_length - 1;
2557                                 if (i < j)
2558                                         spawns[i] = spawns[j];
2559                                 spawns_length--;
2560                                 free(prog->name);
2561                         } else {
2562                                 /* replace */
2563                                 DNPRINTF(SWM_D_SPAWN,
2564                                     "setspawn: replace #%d %s\n",
2565                                     i, spawns[i].name);
2566                                 free(spawns[i].name);
2567                                 for (j = 0; j < spawns[i].argc; j++)
2568                                         free(spawns[i].argv[j]);
2569                                 free(spawns[i].argv);
2570                                 spawns[i] = *prog;
2571                         }
2572                         /* found case handled */
2573                         free(prog);
2574                         return;
2575                 }
2576         }
2577
2578         if (prog->argv == NULL) {
2579                 fprintf(stderr,
2580                     "error: setspawn: cannot find program %s", prog->name);
2581                 free(prog);
2582                 return;
2583         }
2584
2585         /* not found: add */
2586         if (spawns_size == 0 || spawns == NULL) {
2587                 spawns_size = 4;
2588                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2589                 spawns = malloc((size_t)spawns_size *
2590                     sizeof(struct spawn_prog));
2591                 if (spawns == NULL) {
2592                         fprintf(stderr, "setspawn: malloc failed\n");
2593                         perror(" failed");
2594                         quit(NULL, NULL);
2595                 }
2596         } else if (spawns_length == spawns_size) {
2597                 spawns_size *= 2;
2598                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2599                 spawns = realloc(spawns, (size_t)spawns_size *
2600                     sizeof(struct spawn_prog));
2601                 if (spawns == NULL) {
2602                         fprintf(stderr, "setspawn: realloc failed\n");
2603                         perror(" failed");
2604                         quit(NULL, NULL);
2605                 }
2606         }
2607
2608         if (spawns_length < spawns_size) {
2609                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2610                     spawns_length, prog->name);
2611                 i = spawns_length++;
2612                 spawns[i] = *prog;
2613         } else {
2614                 fprintf(stderr, "spawns array problem?\n");
2615                 if (spawns == NULL) {
2616                         fprintf(stderr, "spawns array is NULL!\n");
2617                         quit(NULL, NULL);
2618                 }
2619         }
2620         free(prog);
2621 }
2622
2623 int
2624 setconfspawn(char *selector, char *value, int flags)
2625 {
2626         struct spawn_prog       *prog;
2627         char                    *vp, *cp, *word;
2628
2629         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2630         if ((prog = calloc(1, sizeof *prog)) == NULL)
2631                 err(1, "setconfspawn: calloc prog");
2632         prog->name = strdup(selector);
2633         if (prog->name == NULL)
2634                 err(1, "setconfspawn prog->name");
2635         if ((cp = vp = strdup(value)) == NULL)
2636                 err(1, "setconfspawn: strdup(value) ");
2637         while ((word = strsep(&cp, " \t")) != NULL) {
2638                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2639                 if (cp)
2640                         cp += (long)strspn(cp, " \t");
2641                 if (strlen(word) > 0) {
2642                         prog->argc++;
2643                         prog->argv = realloc(prog->argv,
2644                             prog->argc * sizeof(char *));
2645                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2646                                 err(1, "setconfspawn: strdup");
2647                 }
2648         }
2649         free(vp);
2650
2651         setspawn(prog);
2652
2653         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2654         return (0);
2655 }
2656
2657 void
2658 setup_spawn(void)
2659 {
2660         setconfspawn("term",            "xterm",                0);
2661         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2662         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2663         setconfspawn("lock",            "xlock",                0);
2664         setconfspawn("initscr",         "initscreen.sh",        0);
2665         setconfspawn("menu",            "dmenu_run"
2666                                         " -fn $bar_font"
2667                                         " -nb $bar_color"
2668                                         " -nf $bar_font_color"
2669                                         " -sb $bar_border"
2670                                         " -sf $bar_color",      0);
2671 }
2672
2673 /* key bindings */
2674 #define SWM_MODNAME_SIZE        32
2675 #define SWM_KEY_WS              "\n+ \t"
2676 int
2677 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2678 {
2679         char                    *cp, *name;
2680         KeySym                  uks;
2681         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2682         if (mod == NULL || ks == NULL) {
2683                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2684                 return (1);
2685         }
2686         if (keystr == NULL || strlen(keystr) == 0) {
2687                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2688                 return (1);
2689         }
2690         cp = keystr;
2691         *ks = NoSymbol;
2692         *mod = 0;
2693         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2694                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2695                 if (cp)
2696                         cp += (long)strspn(cp, SWM_KEY_WS);
2697                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2698                         *mod |= currmod;
2699                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2700                         *mod |= Mod1Mask;
2701                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2702                         *mod += Mod2Mask;
2703                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2704                         *mod |= Mod3Mask;
2705                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2706                         *mod |= Mod4Mask;
2707                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2708                         *mod |= ShiftMask;
2709                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2710                         *mod |= ControlMask;
2711                 else {
2712                         *ks = XStringToKeysym(name);
2713                         XConvertCase(*ks, ks, &uks);
2714                         if (ks == NoSymbol) {
2715                                 DNPRINTF(SWM_D_KEY,
2716                                     "parsekeys: invalid key %s\n",
2717                                     name);
2718                                 return (1);
2719                         }
2720                 }
2721         }
2722         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2723         return (0);
2724 }
2725
2726 char *
2727 strdupsafe(char *str)
2728 {
2729         if (str == NULL)
2730                 return (NULL);
2731         else
2732                 return (strdup(str));
2733 }
2734
2735 void
2736 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2737 {
2738         int                     i, j;
2739         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2740             keyfuncs[kfid].name, spawn_name);
2741         /* find existing */
2742         for (i = 0; i < keys_length; i++) {
2743                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2744                         if (kfid == kf_invalid) {
2745                                 /* found: delete */
2746                                 DNPRINTF(SWM_D_KEY,
2747                                     "setkeybinding: delete #%d %s\n",
2748                                     i, keyfuncs[keys[i].funcid].name);
2749                                 free(keys[i].spawn_name);
2750                                 j = keys_length - 1;
2751                                 if (i < j)
2752                                         keys[i] = keys[j];
2753                                 keys_length--;
2754                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2755                                 return;
2756                         } else {
2757                                 /* found: replace */
2758                                 DNPRINTF(SWM_D_KEY,
2759                                     "setkeybinding: replace #%d %s %s\n",
2760                                     i, keyfuncs[keys[i].funcid].name,
2761                                     spawn_name);
2762                                 free(keys[i].spawn_name);
2763                                 keys[i].mod = mod;
2764                                 keys[i].keysym = ks;
2765                                 keys[i].funcid = kfid;
2766                                 keys[i].spawn_name = strdupsafe(spawn_name);
2767                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2768                                 return;
2769                         }
2770                 }
2771         }
2772         if (kfid == kf_invalid) {
2773                 fprintf(stderr,
2774                     "error: setkeybinding: cannot find mod/key combination");
2775                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2776                 return;
2777         }
2778         /* not found: add */
2779         if (keys_size == 0 || keys == NULL) {
2780                 keys_size = 4;
2781                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2782                 keys = malloc((size_t)keys_size * sizeof(struct key));
2783                 if (!keys) {
2784                         fprintf(stderr, "malloc failed\n");
2785                         perror(" failed");
2786                         quit(NULL, NULL);
2787                 }
2788         } else if (keys_length == keys_size) {
2789                 keys_size *= 2;
2790                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2791                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2792                 if (!keys) {
2793                         fprintf(stderr, "realloc failed\n");
2794                         perror(" failed");
2795                         quit(NULL, NULL);
2796                 }
2797         }
2798         if (keys_length < keys_size) {
2799                 j = keys_length++;
2800                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2801                     j, keyfuncs[kfid].name, spawn_name);
2802                 keys[j].mod = mod;
2803                 keys[j].keysym = ks;
2804                 keys[j].funcid = kfid;
2805                 keys[j].spawn_name = strdupsafe(spawn_name);
2806         } else {
2807                 fprintf(stderr, "keys array problem?\n");
2808                 if (!keys) {
2809                         fprintf(stderr, "keys array problem\n");
2810                         quit(NULL, NULL);
2811                 }
2812         }
2813         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2814 }
2815
2816 int
2817 setconfbinding(char *selector, char *value, int flags)
2818 {
2819         enum keyfuncid          kfid;
2820         unsigned int            mod;
2821         KeySym                  ks;
2822         int                     i;
2823         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2824         if (selector == NULL) {
2825                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2826                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2827                         kfid = kf_invalid;
2828                         setkeybinding(mod, ks, kfid, NULL);
2829                         return (0);
2830                 } else
2831                         return (1);
2832         }
2833         /* search by key function name */
2834         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2835                 if (strncasecmp(selector, keyfuncs[kfid].name,
2836                     SWM_FUNCNAME_LEN) == 0) {
2837                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2838                             selector);
2839                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2840                                 setkeybinding(mod, ks, kfid, NULL);
2841                                 return (0);
2842                         } else
2843                                 return (1);
2844                 }
2845         }
2846         /* search by custom spawn name */
2847         for (i = 0; i < spawns_length; i++) {
2848                 if (strcasecmp(selector, spawns[i].name) == 0) {
2849                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2850                             selector);
2851                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2852                                 setkeybinding(mod, ks, kf_spawn_custom,
2853                                     spawns[i].name);
2854                                 return (0);
2855                         } else
2856                                 return (1);
2857                 }
2858         }
2859         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2860         return (1);
2861 }
2862
2863 void
2864 setup_keys(void)
2865 {
2866         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2867         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2868         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2869         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2870         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2871         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2872         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2873         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2874         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2875         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2876         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2877         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2878         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2879         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2880         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2881         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2882         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2883         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2884         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2885         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2886         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2887         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2888         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2889         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2890         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2891         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2892         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2893         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2894         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2895         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2896         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2897         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2898         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2899         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2900         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2901         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2902         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2903         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2904         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2905         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2906         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2907         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2908         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2909         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2910         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2911         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2912         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2913         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2914         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2915         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2916         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2917         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2918         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2919 #ifdef SWM_DEBUG
2920         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
2921 #endif
2922 }
2923
2924 void
2925 updatenumlockmask(void)
2926 {
2927         unsigned int            i, j;
2928         XModifierKeymap         *modmap;
2929
2930         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2931         numlockmask = 0;
2932         modmap = XGetModifierMapping(display);
2933         for (i = 0; i < 8; i++)
2934                 for (j = 0; j < modmap->max_keypermod; j++)
2935                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2936                           == XKeysymToKeycode(display, XK_Num_Lock))
2937                                 numlockmask = (1 << i);
2938
2939         XFreeModifiermap(modmap);
2940 }
2941
2942 void
2943 grabkeys(void)
2944 {
2945         unsigned int            i, j, k;
2946         KeyCode                 code;
2947         unsigned int            modifiers[] =
2948             { 0, LockMask, numlockmask, numlockmask | LockMask };
2949
2950         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2951         updatenumlockmask();
2952
2953         for (k = 0; k < ScreenCount(display); k++) {
2954                 if (TAILQ_EMPTY(&screens[k].rl))
2955                         continue;
2956                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2957                 for (i = 0; i < keys_length; i++) {
2958                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2959                                 for (j = 0; j < LENGTH(modifiers); j++)
2960                                         XGrabKey(display, code,
2961                                             keys[i].mod | modifiers[j],
2962                                             screens[k].root, True,
2963                                             GrabModeAsync, GrabModeAsync);
2964                 }
2965         }
2966 }
2967
2968 void
2969 grabbuttons(struct ws_win *win, int focused)
2970 {
2971         unsigned int            i, j;
2972         unsigned int            modifiers[] =
2973             { 0, LockMask, numlockmask, numlockmask|LockMask };
2974
2975         updatenumlockmask();
2976         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2977         if(focused) {
2978                 for (i = 0; i < LENGTH(buttons); i++)
2979                         if (buttons[i].action == client_click)
2980                                 for (j = 0; j < LENGTH(modifiers); j++)
2981                                         XGrabButton(display, buttons[i].button,
2982                                             buttons[i].mask | modifiers[j],
2983                                             win->id, False, BUTTONMASK,
2984                                             GrabModeAsync, GrabModeSync, None,
2985                                             None);
2986         } else
2987                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2988                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2989 }
2990
2991 const char *quirkname[] = {
2992         "NONE",         /* config string for "no value" */
2993         "FLOAT",
2994         "TRANSSZ",
2995         "ANYWHERE",
2996         "XTERM_FONTADJ",
2997         "FULLSCREEN",
2998 };
2999
3000 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3001 #define SWM_Q_WS                "\n|+ \t"
3002 int
3003 parsequirks(char *qstr, unsigned long *quirk)
3004 {
3005         char                    *cp, *name;
3006         int                     i;
3007
3008         if (quirk == NULL)
3009                 return (1);
3010
3011         cp = qstr;
3012         *quirk = 0;
3013         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3014                 if (cp)
3015                         cp += (long)strspn(cp, SWM_Q_WS);
3016                 for (i = 0; i < LENGTH(quirkname); i++) {
3017                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3018                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3019                                 if (i == 0) {
3020                                         *quirk = 0;
3021                                         return (0);
3022                                 }
3023                                 *quirk |= 1 << (i-1);
3024                                 break;
3025                         }
3026                 }
3027                 if (i >= LENGTH(quirkname)) {
3028                         DNPRINTF(SWM_D_QUIRK,
3029                             "parsequirks: invalid quirk [%s]\n", name);
3030                         return (1);
3031                 }
3032         }
3033         return (0);
3034 }
3035
3036 void
3037 setquirk(const char *class, const char *name, const int quirk)
3038 {
3039         int                     i, j;
3040
3041         /* find existing */
3042         for (i = 0; i < quirks_length; i++) {
3043                 if (!strcmp(quirks[i].class, class) &&
3044                     !strcmp(quirks[i].name, name)) {
3045                         if (!quirk) {
3046                                 /* found: delete */
3047                                 DNPRINTF(SWM_D_QUIRK,
3048                                     "setquirk: delete #%d %s:%s\n",
3049                                     i, quirks[i].class, quirks[i].name);
3050                                 free(quirks[i].class);
3051                                 free(quirks[i].name);
3052                                 j = quirks_length - 1;
3053                                 if (i < j)
3054                                         quirks[i] = quirks[j];
3055                                 quirks_length--;
3056                                 return;
3057                         } else {
3058                                 /* found: replace */
3059                                 DNPRINTF(SWM_D_QUIRK,
3060                                     "setquirk: replace #%d %s:%s\n",
3061                                     i, quirks[i].class, quirks[i].name);
3062                                 free(quirks[i].class);
3063                                 free(quirks[i].name);
3064                                 quirks[i].class = strdup(class);
3065                                 quirks[i].name = strdup(name);
3066                                 quirks[i].quirk = quirk;
3067                                 return;
3068                         }
3069                 }
3070         }
3071         if (!quirk) {
3072                 fprintf(stderr,
3073                     "error: setquirk: cannot find class/name combination");
3074                 return;
3075         }
3076         /* not found: add */
3077         if (quirks_size == 0 || quirks == NULL) {
3078                 quirks_size = 4;
3079                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3080                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3081                 if (!quirks) {
3082                         fprintf(stderr, "setquirk: malloc failed\n");
3083                         perror(" failed");
3084                         quit(NULL, NULL);
3085                 }
3086         } else if (quirks_length == quirks_size) {
3087                 quirks_size *= 2;
3088                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3089                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3090                 if (!quirks) {
3091                         fprintf(stderr, "setquirk: realloc failed\n");
3092                         perror(" failed");
3093                         quit(NULL, NULL);
3094                 }
3095         }
3096         if (quirks_length < quirks_size) {
3097                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3098                 j = quirks_length++;
3099                 quirks[j].class = strdup(class);
3100                 quirks[j].name = strdup(name);
3101                 quirks[j].quirk = quirk;
3102         } else {
3103                 fprintf(stderr, "quirks array problem?\n");
3104                 if (!quirks) {
3105                         fprintf(stderr, "quirks array problem!\n");
3106                         quit(NULL, NULL);
3107                 }
3108         }
3109 }
3110
3111 int
3112 setconfquirk(char *selector, char *value, int flags)
3113 {
3114         char                    *cp, *class, *name;
3115         int                     retval;
3116         unsigned long           quirks;
3117         if (selector == NULL)
3118                 return (0);
3119         if ((cp = strchr(selector, ':')) == NULL)
3120                 return (0);
3121         *cp = '\0';
3122         class = selector;
3123         name = cp + 1;
3124         if ((retval = parsequirks(value, &quirks)) == 0)
3125                 setquirk(class, name, quirks);
3126         return (retval);
3127 }
3128
3129 void
3130 setup_quirks(void)
3131 {
3132         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3133         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3134         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3135         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3136         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3137         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3138         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3139         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3140         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3141         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3142         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3143         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3144         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3145 }
3146
3147 /* conf file stuff */
3148 #define SWM_CONF_FILE   "scrotwm.conf"
3149
3150 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3151           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3152           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3153           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3154           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3155
3156 int
3157 setconfvalue(char *selector, char *value, int flags)
3158 {
3159         switch (flags) {
3160         case SWM_S_BAR_DELAY:
3161                 bar_delay = atoi(value);
3162                 break;
3163         case SWM_S_BAR_ENABLED:
3164                 bar_enabled = atoi(value);
3165                 break;
3166         case SWM_S_STACK_ENABLED:
3167                 stack_enabled = atoi(value);
3168                 break;
3169         case SWM_S_CLOCK_ENABLED:
3170                 clock_enabled = atoi(value);
3171                 break;
3172         case SWM_S_CYCLE_EMPTY:
3173                 cycle_empty = atoi(value);
3174                 break;
3175         case SWM_S_CYCLE_VISIBLE:
3176                 cycle_visible = atoi(value);
3177                 break;
3178         case SWM_S_SS_ENABLED:
3179                 ss_enabled = atoi(value);
3180                 break;
3181         case SWM_S_TERM_WIDTH:
3182                 term_width = atoi(value);
3183                 break;
3184         case SWM_S_TITLE_CLASS_ENABLED:
3185                 title_class_enabled = atoi(value);
3186                 break;
3187         case SWM_S_TITLE_NAME_ENABLED:
3188                 title_name_enabled = atoi(value);
3189                 break;
3190         case SWM_S_BAR_FONT:
3191                 free(bar_fonts[0]);
3192                 if ((bar_fonts[0] = strdup(value)) == NULL)
3193                         err(1, "setconfvalue: bar_font");
3194                 break;
3195         case SWM_S_BAR_ACTION:
3196                 free(bar_argv[0]);
3197                 if ((bar_argv[0] = strdup(value)) == NULL)
3198                         err(1, "setconfvalue: bar_action");
3199                 break;
3200         case SWM_S_SPAWN_TERM:
3201                 free(spawn_term[0]);
3202                 if ((spawn_term[0] = strdup(value)) == NULL)
3203                         err(1, "setconfvalue: spawn_term");
3204                 break;
3205         case SWM_S_SS_APP:
3206                 break;
3207         case SWM_S_DIALOG_RATIO:
3208                 dialog_ratio = atof(value);
3209                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3210                         dialog_ratio = .6;
3211                 break;
3212         default:
3213                 return (1);
3214         }
3215         return (0);
3216 }
3217
3218 int
3219 setconfmodkey(char *selector, char *value, int flags)
3220 {
3221         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3222                 update_modkey(Mod1Mask);
3223         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3224                 update_modkey(Mod2Mask);
3225         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3226                 update_modkey(Mod3Mask);
3227         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3228                 update_modkey(Mod4Mask);
3229         else
3230                 return (1);
3231         return (0);
3232 }
3233
3234 int
3235 setconfcolor(char *selector, char *value, int flags)
3236 {
3237         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3238         return (0);
3239 }
3240
3241 int
3242 setconfregion(char *selector, char *value, int flags)
3243 {
3244         custom_region(value);
3245         return (0);
3246 }
3247
3248 /* config options */
3249 struct config_option {
3250         char                    *optname;
3251         int (*func)(char*, char*, int);
3252         int funcflags;
3253 };
3254 struct config_option configopt[] = {
3255         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3256         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3257         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3258         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3259         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3260         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3261         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3262         { "bind",                       setconfbinding, 0 },
3263         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3264         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3265         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3266         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3267         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3268         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3269         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3270         { "modkey",                     setconfmodkey,  0 },
3271         { "program",                    setconfspawn,   0 },
3272         { "quirk",                      setconfquirk,   0 },
3273         { "region",                     setconfregion,  0 },
3274         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3275         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3276         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3277         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3278         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3279         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3280 };
3281
3282
3283 int
3284 conf_load(char *filename)
3285 {
3286         FILE                    *config;
3287         char                    *line, *cp, *optsub, *optval;
3288         size_t                  linelen, lineno = 0;
3289         int                     wordlen, i, optind;
3290         struct config_option    *opt;
3291
3292         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3293
3294         if (filename == NULL) {
3295                 fprintf(stderr, "conf_load: no filename\n");
3296                 return (1);
3297         }
3298         if ((config = fopen(filename, "r")) == NULL) {
3299                 warn("conf_load: fopen");
3300                 return (1);
3301         }
3302
3303         while (!feof(config)) {
3304                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3305                     == NULL) {
3306                         if (ferror(config))
3307                                 err(1, "%s", filename);
3308                         else
3309                                 continue;
3310                 }
3311                 cp = line;
3312                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3313                 if (cp[0] == '\0') {
3314                         /* empty line */
3315                         free(line);
3316                         continue;
3317                 }
3318                 /* get config option */
3319                 wordlen = strcspn(cp, "=[ \t\n");
3320                 if (wordlen == 0) {
3321                         warnx("%s: line %zd: no option found",
3322                             filename, lineno);
3323                         return (1);
3324                 }
3325                 optind = -1;
3326                 for (i = 0; i < LENGTH(configopt); i++) {
3327                         opt = &configopt[i];
3328                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3329                             strlen(opt->optname) == wordlen) {
3330                                 optind = i;
3331                                 break;
3332                         }
3333                 }
3334                 if (optind == -1) {
3335                         warnx("%s: line %zd: unknown option %.*s",
3336                             filename, lineno, wordlen, cp);
3337                         return (1);
3338                 }
3339                 cp += wordlen;
3340                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3341                 /* get [selector] if any */
3342                 optsub = NULL;
3343                 if (*cp == '[') {
3344                         cp++;
3345                         wordlen = strcspn(cp, "]");
3346                         if (*cp != ']') {
3347                                 if (wordlen == 0) {
3348                                         warnx("%s: line %zd: syntax error",
3349                                             filename, lineno);
3350                                         return (1);
3351                                 }
3352                                 asprintf(&optsub, "%.*s", wordlen, cp);
3353                         }
3354                         cp += wordlen;
3355                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3356                 }
3357                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3358                 /* get RHS value */
3359                 optval = strdup(cp);
3360                 /* call function to deal with it all */
3361                 if (configopt[optind].func(optsub, optval,
3362                     configopt[optind].funcflags) != 0) {
3363                         fprintf(stderr, "%s line %zd: %s\n",
3364                             filename, lineno, line);
3365                         errx(1, "%s: line %zd: invalid data for %s",
3366                             filename, lineno, configopt[optind].optname);
3367                 }
3368                 free(optval);
3369                 free(optsub);
3370                 free(line);
3371         }
3372
3373         fclose(config);
3374         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3375
3376         return (0);
3377 }
3378
3379 struct ws_win *
3380 manage_window(Window id)
3381 {
3382         Window                  trans = 0;
3383         struct workspace        *ws;
3384         struct ws_win           *win, *ww, *parent;
3385         int                     format, i, ws_idx, n, border_me = 0;
3386         unsigned long           nitems, bytes;
3387         Atom                    ws_idx_atom = 0, type;
3388         Atom                    *prot = NULL, *pp;
3389         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3390         struct swm_region       *r;
3391         long                    mask;
3392         const char              *errstr;
3393         XWindowChanges          wc;
3394
3395         if ((win = find_window(id)) != NULL)
3396                 return (win);   /* already being managed */
3397
3398         /* see if we are on the unmanaged list */
3399         if ((win = find_unmanaged_window(id)) != NULL) {
3400                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3401                     "%lu\n", win->id);
3402                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3403                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3404                 return (win);
3405         }
3406
3407         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3408                 errx(1, "calloc: failed to allocate memory for new window");
3409
3410         /* Get all the window data in one shot */
3411         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3412         if (ws_idx_atom)
3413                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3414                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3415         XGetWindowAttributes(display, id, &win->wa);
3416         XGetWMNormalHints(display, id, &win->sh, &mask);
3417         XGetTransientForHint(display, id, &trans);
3418         if (trans) {
3419                 win->transient = trans;
3420                 parent = find_window(win->transient);
3421                 if (parent)
3422                         parent->child_trans = win;
3423                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3424                     (unsigned)win->id, win->transient);
3425         }
3426         /* get supported protocols */
3427         if (XGetWMProtocols(display, id, &prot, &n)) {
3428                 for (i = 0, pp = prot; i < n; i++, pp++) {
3429                         if (*pp == takefocus)
3430                                 win->take_focus = 1;
3431                         if (*pp == adelete)
3432                                 win->can_delete = 1;
3433                 }
3434                 if (prot)
3435                         XFree(prot);
3436         }
3437
3438         /*
3439          * Figure out where to put the window. If it was previously assigned to
3440          * a workspace (either by spawn() or manually moving), and isn't
3441          * transient, * put it in the same workspace
3442          */
3443         r = root_to_region(win->wa.root);
3444         if (prop && win->transient == 0) {
3445                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3446                 ws_idx = strtonum(prop, 0, 9, &errstr);
3447                 if (errstr) {
3448                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3449                             errstr, prop);
3450                 }
3451                 ws = &r->s->ws[ws_idx];
3452         } else {
3453                 ws = r->ws;
3454                 /* this should launch transients in the same ws as parent */
3455                 if (id && trans)
3456                         if ((ww = find_window(trans)) != NULL)
3457                                 if (ws->r) {
3458                                         ws = ww->ws;
3459                                         if (ww->ws->r)
3460                                                 r = ww->ws->r;
3461                                         else
3462                                                 fprintf(stderr,
3463                                                     "fix this bug mcbride\n");
3464                                         border_me = 1;
3465                                 }
3466         }
3467
3468         /* set up the window layout */
3469         win->id = id;
3470         win->ws = ws;
3471         win->s = r->s;  /* this never changes */
3472         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3473
3474         win->g.w = win->wa.width;
3475         win->g.h = win->wa.height;
3476         win->g.x = win->wa.x;
3477         win->g.y = win->wa.y;
3478
3479         /* Set window properties so we can remember this after reincarnation */
3480         if (ws_idx_atom && prop == NULL &&
3481             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3482                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3483                     ws_idx_str);
3484                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3485                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3486         }
3487         XFree(prop);
3488
3489         if (XGetClassHint(display, win->id, &win->ch)) {
3490                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3491                     win->ch.res_class, win->ch.res_name);
3492
3493                 /* java is retarded so treat it special */
3494                 if (strstr(win->ch.res_name, "sun-awt"))
3495                         win->java = 1;
3496
3497                 for (i = 0; i < quirks_length; i++){
3498                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3499                             !strcmp(win->ch.res_name, quirks[i].name)) {
3500                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3501                                     win->ch.res_class, win->ch.res_name);
3502                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
3503                                         win->floating = 1;
3504                                         border_me = 1;
3505                                 }
3506                                 win->quirks = quirks[i].quirk;
3507                         }
3508                 }
3509         }
3510
3511         /* alter window position if quirky */
3512         if (win->quirks & SWM_Q_ANYWHERE) {
3513                 win->manual = 1; /* don't center the quirky windows */
3514                 bzero(&wc, sizeof wc);
3515                 mask = 0;
3516                 if (win->g.y < bar_height) {
3517                         win->g.y = wc.y = bar_height;
3518                         mask |= CWY;
3519                 }
3520                 if (win->g.w + win->g.x > WIDTH(r)) {
3521                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3522                         mask |= CWX;
3523                 }
3524                 border_me = 1;
3525         }
3526
3527         /* Reset font sizes (the bruteforce way; no default keybinding). */
3528         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3529                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3530                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3531                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3532                         fake_keypress(win, XK_KP_Add, ShiftMask);
3533         }
3534
3535         /* border me */
3536         if (border_me) {
3537                 bzero(&wc, sizeof wc);
3538                 wc.border_width = 1;
3539                 mask = CWBorderWidth;
3540                 XConfigureWindow(display, win->id, mask, &wc);
3541                 configreq_win(win);
3542         }
3543
3544         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3545             PropertyChangeMask | StructureNotifyMask);
3546
3547         set_win_state(win, NormalState);
3548
3549         /* floaters need to be mapped if they are in the current workspace */
3550         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3551                 XMapRaised(display, win->id);
3552
3553         return (win);
3554 }
3555
3556 void
3557 free_window(struct ws_win *win)
3558 {
3559         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3560
3561         if (win == NULL)
3562                 return;
3563
3564         /* needed for restart wm */
3565         set_win_state(win, WithdrawnState);
3566
3567         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3568
3569         if (win->ch.res_class)
3570                 XFree(win->ch.res_class);
3571         if (win->ch.res_name)
3572                 XFree(win->ch.res_name);
3573         free(win);
3574 }
3575
3576 void
3577 unmanage_window(struct ws_win *win)
3578 {
3579         struct ws_win           *parent;
3580
3581         if (win == NULL)
3582                 return;
3583
3584         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3585
3586         if (win->transient) {
3587                 parent = find_window(win->transient);
3588                 if (parent)
3589                         parent->child_trans = NULL;
3590         }
3591
3592         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3593         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3594 }
3595
3596 void
3597 focus_magic(struct ws_win *win)
3598 {
3599         if (win->child_trans) {
3600                 /* win = parent & has a transient so focus on that */
3601                 if (win->java) {
3602                         focus_win(win->child_trans);
3603                         if (win->child_trans->take_focus)
3604                                 client_msg(win, takefocus);
3605                 } else {
3606                         focus_win(win->child_trans);
3607                         if (win->child_trans->take_focus)
3608                                 client_msg(win->child_trans, takefocus);
3609                 }
3610         } else {
3611                 /* regular focus */
3612                 focus_win(win);
3613                 if (win->take_focus)
3614                         client_msg(win, takefocus);
3615         }
3616 }
3617
3618 Bool
3619 destroy_notify_cb(Display *d, XEvent *e, char *arg)
3620 {
3621         struct ws_win           *win = (struct ws_win *)arg;
3622         if (win && win->id == e->xany.window && e->xany.type == DestroyNotify)
3623                         return (True);
3624         return (False);
3625 }
3626
3627 void
3628 expose(XEvent *e)
3629 {
3630         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3631 }
3632
3633 void
3634 keypress(XEvent *e)
3635 {
3636         unsigned int            i;
3637         KeySym                  keysym;
3638         XKeyEvent               *ev = &e->xkey;
3639
3640         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3641
3642         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3643         for (i = 0; i < keys_length; i++)
3644                 if (keysym == keys[i].keysym
3645                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3646                    && keyfuncs[keys[i].funcid].func) {
3647                         if (keys[i].funcid == kf_spawn_custom)
3648                                 spawn_custom(
3649                                     root_to_region(ev->root),
3650                                     &(keyfuncs[keys[i].funcid].args),
3651                                     keys[i].spawn_name
3652                                     );
3653                         else
3654                                 keyfuncs[keys[i].funcid].func(
3655                                     root_to_region(ev->root),
3656                                     &(keyfuncs[keys[i].funcid].args)
3657                                     );
3658                 }
3659 }
3660
3661 void
3662 buttonpress(XEvent *e)
3663 {
3664         XButtonPressedEvent     *ev = &e->xbutton;
3665
3666         struct ws_win           *win;
3667         int                     i, action;
3668
3669         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3670
3671         action = root_click;
3672         if ((win = find_window(ev->window)) == NULL)
3673                 return;
3674
3675         focus_magic(win);
3676         action = client_click;
3677
3678         for (i = 0; i < LENGTH(buttons); i++)
3679                 if (action == buttons[i].action && buttons[i].func &&
3680                     buttons[i].button == ev->button &&
3681                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3682                         buttons[i].func(win, &buttons[i].args);
3683 }
3684
3685 void
3686 configurerequest(XEvent *e)
3687 {
3688         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3689         struct ws_win           *win;
3690         int                     new = 0;
3691         XWindowChanges          wc;
3692
3693         if ((win = find_window(ev->window)) == NULL)
3694                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3695                         new = 1;
3696
3697         if (new) {
3698                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3699                     ev->window);
3700                 bzero(&wc, sizeof wc);
3701                 wc.x = ev->x;
3702                 wc.y = ev->y;
3703                 wc.width = ev->width;
3704                 wc.height = ev->height;
3705                 wc.border_width = ev->border_width;
3706                 wc.sibling = ev->above;
3707                 wc.stack_mode = ev->detail;
3708                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3709         } else {
3710                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3711                     ev->window);
3712                 if (win->floating) {
3713                         if (ev->value_mask & CWX)
3714                                 win->g.x = ev->x;
3715                         if (ev->value_mask & CWY)
3716                                 win->g.y = ev->y;
3717                         if (ev->value_mask & CWWidth)
3718                                 win->g.w = ev->width;
3719                         if (ev->value_mask & CWHeight)
3720                                 win->g.h = ev->height;
3721                 }
3722                 config_win(win);
3723         }
3724 }
3725
3726 void
3727 configurenotify(XEvent *e)
3728 {
3729         struct ws_win           *win;
3730         long                    mask;
3731
3732         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3733             e->xconfigure.window);
3734
3735         win = find_window(e->xconfigure.window);
3736         if (win) {
3737                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3738                 adjust_font(win);
3739                 if (font_adjusted)
3740                         stack();
3741         }
3742 }
3743
3744 void
3745 destroynotify(XEvent *e)
3746 {
3747         struct ws_win           *win, *w, *wn, *winfocus = NULL;
3748         struct workspace        *ws;
3749         struct ws_win_list      *wl;
3750         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3751         int                     unmanaged = 0;
3752
3753         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3754
3755         if ((win = find_window(ev->window)) == NULL) {
3756                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3757                         return;
3758                 unmanaged = 1;
3759         }
3760
3761         /* find a window to focus */
3762         ws = win->ws;
3763         wl = &ws->winlist;
3764
3765         for (w = TAILQ_FIRST(&ws->winlist); w != TAILQ_END(&ws->winlist);
3766             w = wn) {
3767                 wn = TAILQ_NEXT(w, entry);
3768                 if (win == w)
3769                         continue; /* can't happen but oh well */
3770
3771                 if (getstate(w->id) != -1)
3772                         continue;
3773                 unmanage_window(w);
3774         }
3775         /* if we are transient give focus to parent */
3776         if (win->transient)
3777                 winfocus = find_window(win->transient);
3778         else if (ws->focus == win) {
3779                 /* if in max_stack try harder */
3780                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3781                         if (win != ws->focus_prev)
3782                                 winfocus = ws->focus_prev;
3783                         else if (win != ws->focus)
3784                                 winfocus = ws->focus;
3785                 }
3786
3787                 /* fallback and normal handling */
3788                 if (winfocus == NULL) {
3789                         if (TAILQ_FIRST(wl) == win)
3790                                 winfocus = TAILQ_NEXT(win, entry);
3791                         else {
3792                                 winfocus = TAILQ_PREV(ws->focus,
3793                                     ws_win_list, entry);
3794                                 if (winfocus == NULL)
3795                                         winfocus = TAILQ_LAST(wl,
3796                                             ws_win_list);
3797                         }
3798                 }
3799         }
3800         if (unmanaged == 0)
3801                 unmanage_window(win);
3802         free_window(win);
3803
3804         ignore_enter = 1;
3805         stack();
3806         if (winfocus)
3807                 focus_win(winfocus);
3808         ignore_enter = 0;
3809 }
3810
3811 void
3812 enternotify(XEvent *e)
3813 {
3814         XCrossingEvent          *ev = &e->xcrossing;
3815         struct ws_win           *win;
3816
3817         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3818
3819         if (ignore_enter) {
3820                 /* eat event(r) to prevent autofocus */
3821                 ignore_enter = 0;
3822                 return;
3823         }
3824         /*
3825          * happens when a window is created or destroyed and the border
3826          * crosses the mouse pointer
3827          */
3828         if (QLength(display))
3829                 return;
3830
3831         if ((win = find_window(ev->window)) == NULL)
3832                 return;
3833
3834         focus_magic(win);
3835 }
3836
3837 void
3838 focusin(XEvent *e)
3839 {
3840         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3841 }
3842
3843 void
3844 focusout(XEvent *e)
3845 {
3846         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3847 }
3848
3849 void
3850 mapnotify(XEvent *e)
3851 {
3852         struct ws_win           *win;
3853         XMapEvent               *ev = &e->xmap;
3854
3855         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3856
3857         win = manage_window(ev->window);
3858         if (win)
3859                 set_win_state(win, NormalState);
3860 }
3861
3862 void
3863 mappingnotify(XEvent *e)
3864 {
3865         XMappingEvent           *ev = &e->xmapping;
3866
3867         XRefreshKeyboardMapping(ev);
3868         if (ev->request == MappingKeyboard)
3869                 grabkeys();
3870 }
3871
3872 void
3873 maprequest(XEvent *e)
3874 {
3875         struct ws_win           *win;
3876         struct swm_region       *r;
3877
3878         XMapRequestEvent        *ev = &e->xmaprequest;
3879         XWindowAttributes       wa;
3880
3881         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3882             e->xmaprequest.window);
3883
3884         if (!XGetWindowAttributes(display, ev->window, &wa))
3885                 return;
3886         if (wa.override_redirect)
3887                 return;
3888
3889         win = manage_window(e->xmaprequest.window);
3890         if (win == NULL)
3891                 return; /* can't happen */
3892
3893         ignore_enter = 1;
3894         stack();
3895         ignore_enter = 0;
3896
3897         /* make new win focused */
3898         r = root_to_region(win->wa.root);
3899         if (win->ws == r->ws)
3900                 focus_win(win);
3901 }
3902
3903 void
3904 propertynotify(XEvent *e)
3905 {
3906         struct ws_win           *win;
3907         XPropertyEvent          *ev = &e->xproperty;
3908
3909         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3910             ev->window);
3911
3912         if (ev->state == PropertyDelete)
3913                 return; /* ignore */
3914         win = find_window(ev->window);
3915         if (win == NULL)
3916                 return;
3917
3918         switch (ev->atom) {
3919         case XA_WM_NORMAL_HINTS:
3920 #if 0
3921                 long            mask;
3922                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3923                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3924                 if (win->sh.flags & PMinSize) {
3925                         win->g.w = win->sh.min_width;
3926                         win->g.h = win->sh.min_height;
3927                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3928                 }
3929                 XMoveResizeWindow(display, win->id,
3930                     win->g.x, win->g.y, win->g.w, win->g.h);
3931 #endif
3932                 break;
3933         default:
3934                 break;
3935         }
3936 }
3937
3938 void
3939 unmapnotify(XEvent *e)
3940 {
3941         struct ws_win           *win, *winfocus = NULL;
3942         struct workspace        *ws;
3943
3944         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3945
3946         /* determine if we need to help unmanage this window */
3947         win = find_window(e->xunmap.window);
3948         if (win == NULL)
3949                 return;
3950
3951         /* java can not deal with this heuristic */
3952         if (win->java)
3953                 return;
3954
3955         if (getstate(e->xunmap.window) == NormalState) {
3956                 /*
3957                  * this window does not have a destroy event but but it is no
3958                  * longer visible due to the app unmapping it so unmanage it
3959                  */
3960                 ws = win->ws;
3961                 /* if we are max_stack try harder to focus on something */
3962                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3963                         if (win->transient)
3964                                 winfocus = find_window(win->transient);
3965                         else if (win != ws->focus_prev)
3966                                 winfocus = ws->focus_prev;
3967                         else if (win != ws->focus)
3968                                 winfocus = ws->focus;
3969                 }
3970
3971                 /* normal and fallback if haven't found anything to focus on */
3972                 if (winfocus == NULL) {
3973                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3974                         if (TAILQ_FIRST(&ws->winlist) == win)
3975                                 winfocus = TAILQ_NEXT(win, entry);
3976                         else {
3977                                 if (ws->focus)
3978                                         winfocus = TAILQ_PREV(ws->focus,
3979                                             ws_win_list, entry);
3980                                 if (winfocus == NULL)
3981                                         winfocus = TAILQ_LAST(&ws->winlist,
3982                                             ws_win_list);
3983                         }
3984                 }
3985
3986                 /* trash window and refocus */
3987                 unmanage_window(win);
3988                 ignore_enter = 1;
3989                 stack();
3990                 focus_win(winfocus);
3991                 ignore_enter = 0;
3992         }
3993 }
3994
3995 void
3996 visibilitynotify(XEvent *e)
3997 {
3998         int                     i;
3999         struct swm_region       *r;
4000
4001         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4002             e->xvisibility.window);
4003         if (e->xvisibility.state == VisibilityUnobscured)
4004                 for (i = 0; i < ScreenCount(display); i++)
4005                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4006                                 if (e->xvisibility.window == r->bar_window)
4007                                         bar_update();
4008 }
4009
4010 int
4011 xerror_start(Display *d, XErrorEvent *ee)
4012 {
4013         other_wm = 1;
4014         return (-1);
4015 }
4016
4017 int
4018 xerror(Display *d, XErrorEvent *ee)
4019 {
4020         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4021         return (-1);
4022 }
4023
4024 int
4025 active_wm(void)
4026 {
4027         other_wm = 0;
4028         xerrorxlib = XSetErrorHandler(xerror_start);
4029
4030         /* this causes an error if some other window manager is running */
4031         XSelectInput(display, DefaultRootWindow(display),
4032             SubstructureRedirectMask);
4033         XSync(display, False);
4034         if (other_wm)
4035                 return (1);
4036
4037         XSetErrorHandler(xerror);
4038         XSync(display, False);
4039         return (0);
4040 }
4041
4042 void
4043 new_region(struct swm_screen *s, int x, int y, int w, int h)
4044 {
4045         struct swm_region       *r, *n;
4046         struct workspace        *ws = NULL;
4047         int                     i;
4048
4049         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4050              s->idx, w, h, x, y);
4051
4052         /* remove any conflicting regions */
4053         n = TAILQ_FIRST(&s->rl);
4054         while (n) {
4055                 r = n;
4056                 n = TAILQ_NEXT(r, entry);
4057                 if (X(r) < (x + w) &&
4058                     (X(r) + WIDTH(r)) > x &&
4059                     Y(r) < (y + h) &&
4060                     (Y(r) + HEIGHT(r)) > y) {
4061                         XDestroyWindow(display, r->bar_window);
4062                         TAILQ_REMOVE(&s->rl, r, entry);
4063                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4064                 }
4065         }
4066
4067         /* search old regions for one to reuse */
4068
4069         /* size + location match */
4070         TAILQ_FOREACH(r, &s->orl, entry)
4071                 if (X(r) == x && Y(r) == y &&
4072                     HEIGHT(r) == h && WIDTH(r) == w)
4073                         break;
4074
4075         /* size match */
4076         TAILQ_FOREACH(r, &s->orl, entry)
4077                 if (HEIGHT(r) == h && WIDTH(r) == w)
4078                         break;
4079
4080         if (r != NULL) {
4081                 TAILQ_REMOVE(&s->orl, r, entry);
4082                 /* try to use old region's workspace */
4083                 if (r->ws->r == NULL)
4084                         ws = r->ws;
4085         } else
4086                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4087                         errx(1, "calloc: failed to allocate memory for screen");
4088
4089         /* if we don't have a workspace already, find one */
4090         if (ws == NULL) {
4091                 for (i = 0; i < SWM_WS_MAX; i++)
4092                         if (s->ws[i].r == NULL) {
4093                                 ws = &s->ws[i];
4094                                 break;
4095                         }
4096         }
4097
4098         if (ws == NULL)
4099                 errx(1, "no free workspaces\n");
4100
4101         X(r) = x;
4102         Y(r) = y;
4103         WIDTH(r) = w;
4104         HEIGHT(r) = h;
4105         r->s = s;
4106         r->ws = ws;
4107         ws->r = r;
4108         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4109 }
4110
4111 void
4112 scan_xrandr(int i)
4113 {
4114 #ifdef SWM_XRR_HAS_CRTC
4115         XRRCrtcInfo             *ci;
4116         XRRScreenResources      *sr;
4117         int                     c;
4118         int                     ncrtc = 0;
4119 #endif /* SWM_XRR_HAS_CRTC */
4120         struct swm_region       *r;
4121
4122
4123         if (i >= ScreenCount(display))
4124                 errx(1, "invalid screen");
4125
4126         /* remove any old regions */
4127         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4128                 r->ws->old_r = r->ws->r = NULL;
4129                 XDestroyWindow(display, r->bar_window);
4130                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4131                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4132         }
4133
4134         /* map virtual screens onto physical screens */
4135 #ifdef SWM_XRR_HAS_CRTC
4136         outputs = 0;
4137         if (xrandr_support) {
4138                 sr = XRRGetScreenResources(display, screens[i].root);
4139                 if (sr == NULL)
4140                         new_region(&screens[i], 0, 0,
4141                             DisplayWidth(display, i),
4142                             DisplayHeight(display, i));
4143                 else
4144                         ncrtc = sr->ncrtc;
4145
4146                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4147                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4148                         if (ci->noutput == 0)
4149                                 continue;
4150                         outputs++;
4151
4152                         if (ci != NULL && ci->mode == None)
4153                                 new_region(&screens[i], 0, 0,
4154                                     DisplayWidth(display, i),
4155                                     DisplayHeight(display, i));
4156                         else
4157                                 new_region(&screens[i],
4158                                     ci->x, ci->y, ci->width, ci->height);
4159                 }
4160                 if (ci)
4161                         XRRFreeCrtcInfo(ci);
4162                 XRRFreeScreenResources(sr);
4163         } else
4164 #endif /* SWM_XRR_HAS_CRTC */
4165         {
4166                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4167                     DisplayHeight(display, i));
4168         }
4169 }
4170
4171 void
4172 screenchange(XEvent *e) {
4173         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4174         struct swm_region               *r;
4175         int                             i;
4176
4177         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4178
4179         if (!XRRUpdateConfiguration(e))
4180                 return;
4181
4182         /* silly event doesn't include the screen index */
4183         for (i = 0; i < ScreenCount(display); i++)
4184                 if (screens[i].root == xe->root)
4185                         break;
4186         if (i >= ScreenCount(display))
4187                 errx(1, "screenchange: screen not found\n");
4188
4189         /* brute force for now, just re-enumerate the regions */
4190         scan_xrandr(i);
4191
4192         /* add bars to all regions */
4193         for (i = 0; i < ScreenCount(display); i++)
4194                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4195                         bar_setup(r);
4196         stack();
4197 }
4198
4199 void
4200 setup_screens(void)
4201 {
4202         Window                  d1, d2, *wins = NULL;
4203         XWindowAttributes       wa;
4204         unsigned int            no;
4205         int                     i, j, k;
4206         int                     errorbase, major, minor;
4207         struct workspace        *ws;
4208         int                     ws_idx_atom;
4209         long                    state, manage;
4210
4211         if ((screens = calloc(ScreenCount(display),
4212              sizeof(struct swm_screen))) == NULL)
4213                 errx(1, "calloc: screens");
4214
4215         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4216
4217         /* initial Xrandr setup */
4218         xrandr_support = XRRQueryExtension(display,
4219             &xrandr_eventbase, &errorbase);
4220         if (xrandr_support)
4221                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4222                         xrandr_support = 0;
4223
4224         /* map physical screens */
4225         for (i = 0; i < ScreenCount(display); i++) {
4226                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4227                 screens[i].idx = i;
4228                 TAILQ_INIT(&screens[i].rl);
4229                 TAILQ_INIT(&screens[i].orl);
4230                 screens[i].root = RootWindow(display, i);
4231
4232                 /* set default colors */
4233                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4234                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4235                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4236                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4237                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4238
4239                 /* init all workspaces */
4240                 /* XXX these should be dynamically allocated too */
4241                 for (j = 0; j < SWM_WS_MAX; j++) {
4242                         ws = &screens[i].ws[j];
4243                         ws->idx = j;
4244                         ws->focus = NULL;
4245                         ws->r = NULL;
4246                         ws->old_r = NULL;
4247                         TAILQ_INIT(&ws->winlist);
4248                         TAILQ_INIT(&ws->unmanagedlist);
4249
4250                         for (k = 0; layouts[k].l_stack != NULL; k++)
4251                                 if (layouts[k].l_config != NULL)
4252                                         layouts[k].l_config(ws,
4253                                             SWM_ARG_ID_STACKINIT);
4254                         ws->cur_layout = &layouts[0];
4255                 }
4256                 /* grab existing windows (before we build the bars)*/
4257                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4258                         continue;
4259
4260                 scan_xrandr(i);
4261
4262                 if (xrandr_support)
4263                         XRRSelectInput(display, screens[i].root,
4264                             RRScreenChangeNotifyMask);
4265
4266                 /* attach windows to a region */
4267                 /* normal windows */
4268                 for (j = 0; j < no; j++) {
4269                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4270                             wa.override_redirect ||
4271                             XGetTransientForHint(display, wins[j], &d1))
4272                                 continue;
4273
4274                         state = getstate(wins[j]);
4275                         manage = state == IconicState;
4276                         if (wa.map_state == IsViewable || manage)
4277                                 manage_window(wins[j]);
4278                 }
4279                 /* transient windows */
4280                 for (j = 0; j < no; j++) {
4281                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4282                             wa.override_redirect)
4283                                 continue;
4284
4285                         state = getstate(wins[j]);
4286                         manage = state == IconicState;
4287                         if (XGetTransientForHint(display, wins[j], &d1) &&
4288                             manage)
4289                                 manage_window(wins[j]);
4290                 }
4291                 if (wins) {
4292                         XFree(wins);
4293                         wins = NULL;
4294                 }
4295         }
4296 }
4297
4298 void
4299 setup_globals(void)
4300 {
4301         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4302             == NULL)
4303                 err(1, "setup_globals: strdup");
4304         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4305             == NULL)
4306                 err(1, "setup_globals: strdup");
4307         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4308             == NULL)
4309                 err(1, "setup_globals: strdup");
4310         if ((spawn_term[0] = strdup("xterm")) == NULL)
4311                 err(1, "setup_globals: strdup");
4312 }
4313
4314 void
4315 workaround(void)
4316 {
4317         int                     i;
4318         Atom                    netwmcheck, netwmname, utf8_string;
4319         Window                  root;
4320
4321         /* work around sun jdk bugs, code from wmname */
4322         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4323         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4324         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4325         for (i = 0; i < ScreenCount(display); i++) {
4326                 root = screens[i].root;
4327                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4328                     PropModeReplace, (unsigned char *)&root, 1);
4329                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4330                     PropModeReplace, "LG3D", strlen("LG3D"));
4331         }
4332 }
4333
4334 int
4335 main(int argc, char *argv[])
4336 {
4337         struct passwd           *pwd;
4338         struct swm_region       *r, *rr;
4339         struct ws_win           *winfocus = NULL;
4340         struct timeval          tv;
4341         char                    conf[PATH_MAX], *cfile = NULL;
4342         struct stat             sb;
4343         XEvent                  e;
4344         int                     xfd, i;
4345         fd_set                  rd;
4346
4347         start_argv = argv;
4348         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4349             SWM_VERSION, cvstag);
4350         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4351                 warnx("no locale support");
4352
4353         if (!(display = XOpenDisplay(0)))
4354                 errx(1, "can not open display");
4355
4356         if (active_wm())
4357                 errx(1, "other wm running");
4358
4359         /* handle some signale */
4360         installsignal(SIGINT, "INT");
4361         installsignal(SIGHUP, "HUP");
4362         installsignal(SIGQUIT, "QUIT");
4363         installsignal(SIGTERM, "TERM");
4364         installsignal(SIGCHLD, "CHLD");
4365
4366         astate = XInternAtom(display, "WM_STATE", False);
4367         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4368         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4369         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4370
4371         /* look for local and global conf file */
4372         pwd = getpwuid(getuid());
4373         if (pwd == NULL)
4374                 errx(1, "invalid user %d", getuid());
4375
4376         setup_screens();
4377         setup_globals();
4378         setup_keys();
4379         setup_quirks();
4380         setup_spawn();
4381
4382         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4383         if (stat(conf, &sb) != -1) {
4384                 if (S_ISREG(sb.st_mode))
4385                         cfile = conf;
4386         } else {
4387                 /* try global conf file */
4388                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4389                 if (!stat(conf, &sb))
4390                         if (S_ISREG(sb.st_mode))
4391                                 cfile = conf;
4392         }
4393         if (cfile)
4394                 conf_load(cfile);
4395
4396         /* setup all bars */
4397         for (i = 0; i < ScreenCount(display); i++)
4398                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4399                         if (winfocus == NULL)
4400                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4401                         bar_setup(r);
4402                 }
4403
4404         /* set some values to work around bad programs */
4405         workaround();
4406
4407         grabkeys();
4408         stack();
4409
4410         xfd = ConnectionNumber(display);
4411         while (running) {
4412                 while (XPending(display)) {
4413                         XNextEvent(display, &e);
4414                         if (running == 0)
4415                                 goto done;
4416                         if (e.type < LASTEvent) {
4417                                 dumpevent(&e);
4418                                 if (handler[e.type])
4419                                         handler[e.type](&e);
4420                                 else
4421                                         DNPRINTF(SWM_D_EVENT,
4422                                             "win: %lu unknown event: %d\n",
4423                                             e.xany.window, e.type);
4424                         } else {
4425                                 switch (e.type - xrandr_eventbase) {
4426                                 case RRScreenChangeNotify:
4427                                         screenchange(&e);
4428                                         break;
4429                                 default:
4430                                         DNPRINTF(SWM_D_EVENT,
4431                                             "win: %lu unknown xrandr event: "
4432                                             "%d\n", e.xany.window, e.type);
4433                                         break;
4434                                 }
4435                         }
4436                 }
4437
4438                 /* if we are being restarted go focus on first window */
4439                 if (winfocus) {
4440                         rr = TAILQ_FIRST(&screens[0].rl);
4441                         /* move pointer to first screen if multi screen */
4442                         if (ScreenCount(display) > 1 || outputs > 1)
4443                                 XWarpPointer(display, None, rr->s[0].root,
4444                                     0, 0, 0, 0, rr->g.x,
4445                                     rr->g.y + bar_enabled ? bar_height : 0);
4446
4447                         focus_win(winfocus);
4448                         winfocus = NULL;
4449                         continue;
4450                 }
4451
4452                 FD_ZERO(&rd);
4453                 FD_SET(xfd, &rd);
4454                 tv.tv_sec = 1;
4455                 tv.tv_usec = 0;
4456                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4457                         if (errno != EINTR)
4458                                 DNPRINTF(SWM_D_MISC, "select failed");
4459                 if (running == 0)
4460                         goto done;
4461                 if (bar_alarm) {
4462                         bar_alarm = 0;
4463                         bar_update();
4464                 }
4465         }
4466 done:
4467         bar_extra_stop();
4468
4469         XCloseDisplay(display);
4470
4471         return (0);
4472 }