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     "0.9.15"
  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 /* #define SWM_DEBUG */
  99 #ifdef SWM_DEBUG
 100 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 101 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 102 #define SWM_D_MISC              0x0001
 103 #define SWM_D_EVENT             0x0002
 104 #define SWM_D_WS                0x0004
 105 #define SWM_D_FOCUS             0x0008
 106 #define SWM_D_MOVE              0x0010
 107 #define SWM_D_STACK             0x0020
 108 #define SWM_D_MOUSE             0x0040
 109 #define SWM_D_PROP              0x0080
 110 #define SWM_D_CLASS             0x0100
 111 #define SWM_D_KEY               0x0200
 112 #define SWM_D_QUIRK             0x0400
 113 #define SWM_D_SPAWN             0x0800
 114 #define SWM_D_EVENTQ            0x1000
 115 #define SWM_D_CONF              0x2000
 116
 117 u_int32_t               swm_debug = 0
 118                             | SWM_D_MISC
 119                             | SWM_D_EVENT
 120                             | SWM_D_WS
 121                             | SWM_D_FOCUS
 122                             | SWM_D_MOVE
 123                             | SWM_D_STACK
 124                             | SWM_D_MOUSE
 125                             | SWM_D_PROP
 126                             | SWM_D_CLASS
 127                             | SWM_D_KEY
 128                             | SWM_D_QUIRK
 129                             | SWM_D_SPAWN
 130                             | SWM_D_EVENTQ
 131                             | SWM_D_CONF
 132                             ;
 133 #else
 134 #define DPRINTF(x...)
 135 #define DNPRINTF(n,x...)
 136 #endif
 137
 138 #define LENGTH(x)               (sizeof x / sizeof x[0])
 139 #define MODKEY                  Mod1Mask
 140 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 141 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 142 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 143 #define SWM_PROPLEN             (16)
 144 #define SWM_FUNCNAME_LEN        (32)
 145 #define SWM_KEYS_LEN            (255)
 146 #define SWM_QUIRK_LEN           (64)
 147 #define X(r)                    (r)->g.x
 148 #define Y(r)                    (r)->g.y
 149 #define WIDTH(r)                (r)->g.w
 150 #define HEIGHT(r)               (r)->g.h
 151 #define SWM_MAX_FONT_STEPS      (3)
 152
 153 #ifndef SWM_LIB
 154 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 155 #endif
 156
 157 char                    **start_argv;
 158 Atom                    astate;
 159 Atom                    aprot;
 160 Atom                    adelete;
 161 Atom                    takefocus;
 162 volatile sig_atomic_t   running = 1;
 163 int                     outputs = 0;
 164 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 165 int                     other_wm;
 166 int                     ss_enabled = 0;
 167 int                     xrandr_support;
 168 int                     xrandr_eventbase;
 169 int                     ignore_enter = 0;
 170 unsigned int            numlockmask = 0;
 171 Display                 *display;
 172
 173 int                     cycle_empty = 0;
 174 int                     cycle_visible = 0;
 175 int                     term_width = 0;
 176 int                     font_adjusted = 0;
 177 unsigned int            mod_key = MODKEY;
 178
 179 /* dialog windows */
 180 double                  dialog_ratio = .6;
 181 /* status bar */
 182 #define SWM_BAR_MAX     (256)
 183 char                    *bar_argv[] = { NULL, NULL };
 184 int                     bar_pipe[2];
 185 char                    bar_ext[SWM_BAR_MAX];
 186 char                    bar_vertext[SWM_BAR_MAX];
 187 int                     bar_version = 0;
 188 sig_atomic_t            bar_alarm = 0;
 189 int                     bar_delay = 30;
 190 int                     bar_enabled = 1;
 191 int                     bar_extra = 1;
 192 int                     bar_extra_running = 0;
 193 int                     bar_verbose = 1;
 194 int                     bar_height = 0;
 195 int                     stack_enabled = 1;
 196 int                     clock_enabled = 1;
 197 int                     title_name_enabled = 0;
 198 int                     title_class_enabled = 0;
 199 pid_t                   bar_pid;
 200 GC                      bar_gc;
 201 XGCValues               bar_gcv;
 202 int                     bar_fidx = 0;
 203 XFontStruct             *bar_fs;
 204 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 205 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 206
 207 #define SWM_MENU_FN     (2)
 208 #define SWM_MENU_NB     (4)
 209 #define SWM_MENU_NF     (6)
 210 #define SWM_MENU_SB     (8)
 211 #define SWM_MENU_SF     (10)
 212
 213 /* layout manager data */
 214 struct swm_geometry {
 215         int                     x;
 216         int                     y;
 217         int                     w;
 218         int                     h;
 219 };
 220
 221 struct swm_screen;
 222 struct workspace;
 223
 224 /* virtual "screens" */
 225 struct swm_region {
 226         TAILQ_ENTRY(swm_region) entry;
 227         struct swm_geometry     g;
 228         struct workspace        *ws;    /* current workspace on this region */
 229         struct swm_screen       *s;     /* screen idx */
 230         Window                  bar_window;
 231 };
 232 TAILQ_HEAD(swm_region_list, swm_region);
 233
 234 struct ws_win {
 235         TAILQ_ENTRY(ws_win)     entry;
 236         Window                  id;
 237         Window                  transient;
 238         struct ws_win           *child_trans;   /* transient child window */
 239         struct swm_geometry     g;
 240         int                     floating;
 241         int                     manual;
 242         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 243         int                     font_steps;
 244         int                     last_inc;
 245         int                     can_delete;
 246         int                     take_focus;
 247         int                     java;
 248         unsigned long           quirks;
 249         struct workspace        *ws;    /* always valid */
 250         struct swm_screen       *s;     /* always valid, never changes */
 251         XWindowAttributes       wa;
 252         XSizeHints              sh;
 253         XClassHint              ch;
 254 };
 255 TAILQ_HEAD(ws_win_list, ws_win);
 256
 257 /* user/key callable function IDs */
 258 enum keyfuncid {
 259         kf_cycle_layout,
 260         kf_stack_reset,
 261         kf_master_shrink,
 262         kf_master_grow,
 263         kf_master_add,
 264         kf_master_del,
 265         kf_stack_inc,
 266         kf_stack_dec,
 267         kf_swap_main,
 268         kf_focus_next,
 269         kf_focus_prev,
 270         kf_swap_next,
 271         kf_swap_prev,
 272         kf_spawn_term,
 273         kf_spawn_menu,
 274         kf_quit,
 275         kf_restart,
 276         kf_focus_main,
 277         kf_ws_1,
 278         kf_ws_2,
 279         kf_ws_3,
 280         kf_ws_4,
 281         kf_ws_5,
 282         kf_ws_6,
 283         kf_ws_7,
 284         kf_ws_8,
 285         kf_ws_9,
 286         kf_ws_10,
 287         kf_ws_next,
 288         kf_ws_prev,
 289         kf_screen_next,
 290         kf_screen_prev,
 291         kf_mvws_1,
 292         kf_mvws_2,
 293         kf_mvws_3,
 294         kf_mvws_4,
 295         kf_mvws_5,
 296         kf_mvws_6,
 297         kf_mvws_7,
 298         kf_mvws_8,
 299         kf_mvws_9,
 300         kf_mvws_10,
 301         kf_bar_toggle,
 302         kf_wind_kill,
 303         kf_wind_del,
 304         kf_screenshot_all,
 305         kf_screenshot_wind,
 306         kf_float_toggle,
 307         kf_version,
 308         kf_dumpwins,
 309         kf_spawn_lock,
 310         kf_spawn_initscr,
 311         kf_spawn_custom,
 312         kf_invalid
 313 };
 314
 315 /* layout handlers */
 316 void    stack(void);
 317 void    vertical_config(struct workspace *, int);
 318 void    vertical_stack(struct workspace *, struct swm_geometry *);
 319 void    horizontal_config(struct workspace *, int);
 320 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 321 void    max_stack(struct workspace *, struct swm_geometry *);
 322
 323 void    grabbuttons(struct ws_win *, int);
 324 void    new_region(struct swm_screen *, int, int, int, int);
 325 void    unmanage_window(struct ws_win *);
 326 long    getstate(Window);
 327
 328 struct layout {
 329         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 330         void            (*l_config)(struct workspace *, int);
 331         u_int32_t       flags;
 332 #define SWM_L_FOCUSPREV         (1<<0)
 333 #define SWM_L_MAPONFOCUS        (1<<1)
 334         char            *name;
 335 } layouts[] =  {
 336         /* stack,               configure */
 337         { vertical_stack,       vertical_config,        0,      "[|]" },
 338         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 339         { max_stack,            NULL,
 340           SWM_L_FOCUSPREV | SWM_L_MAPONFOCUS,                   "[ ]"},
 341         { NULL,                 NULL,                   0,      NULL },
 342 };
 343
 344 #define SWM_H_SLICE             (32)
 345 #define SWM_V_SLICE             (32)
 346
 347 /* define work spaces */
 348 struct workspace {
 349         int                     idx;            /* workspace index */
 350         struct layout           *cur_layout;    /* current layout handlers */
 351         struct ws_win           *focus;         /* may be NULL */
 352         struct ws_win           *focus_prev;    /* may be NULL */
 353         struct swm_region       *r;             /* may be NULL */
 354         struct swm_region       *old_r;         /* may be NULL */
 355         struct ws_win_list      winlist;        /* list of windows in ws */
 356         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 357
 358         /* stacker state */
 359         struct {
 360                                 int horizontal_msize;
 361                                 int horizontal_mwin;
 362                                 int horizontal_stacks;
 363                                 int vertical_msize;
 364                                 int vertical_mwin;
 365                                 int vertical_stacks;
 366         } l_state;
 367 };
 368
 369 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 370           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 371
 372 /* physical screen mapping */
 373 #define SWM_WS_MAX              (10)
 374 struct swm_screen {
 375         int                     idx;    /* screen index */
 376         struct swm_region_list  rl;     /* list of regions on this screen */
 377         struct swm_region_list  orl;    /* list of old regions */
 378         Window                  root;
 379         struct workspace        ws[SWM_WS_MAX];
 380
 381         /* colors */
 382         struct {
 383                 unsigned long   color;
 384                 char            *name;
 385         } c[SWM_S_COLOR_MAX];
 386 };
 387 struct swm_screen       *screens;
 388 int                     num_screens;
 389
 390 /* args to functions */
 391 union arg {
 392         int                     id;
 393 #define SWM_ARG_ID_FOCUSNEXT    (0)
 394 #define SWM_ARG_ID_FOCUSPREV    (1)
 395 #define SWM_ARG_ID_FOCUSMAIN    (2)
 396 #define SWM_ARG_ID_SWAPNEXT     (3)
 397 #define SWM_ARG_ID_SWAPPREV     (4)
 398 #define SWM_ARG_ID_SWAPMAIN     (5)
 399 #define SWM_ARG_ID_MASTERSHRINK (6)
 400 #define SWM_ARG_ID_MASTERGROW   (7)
 401 #define SWM_ARG_ID_MASTERADD    (8)
 402 #define SWM_ARG_ID_MASTERDEL    (9)
 403 #define SWM_ARG_ID_STACKRESET   (10)
 404 #define SWM_ARG_ID_STACKINIT    (11)
 405 #define SWM_ARG_ID_CYCLEWS_UP   (12)
 406 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
 407 #define SWM_ARG_ID_CYCLESC_UP   (14)
 408 #define SWM_ARG_ID_CYCLESC_DOWN (15)
 409 #define SWM_ARG_ID_STACKINC     (16)
 410 #define SWM_ARG_ID_STACKDEC     (17)
 411 #define SWM_ARG_ID_SS_ALL       (0)
 412 #define SWM_ARG_ID_SS_WINDOW    (1)
 413 #define SWM_ARG_ID_DONTCENTER   (0)
 414 #define SWM_ARG_ID_CENTER       (1)
 415 #define SWM_ARG_ID_KILLWINDOW   (0)
 416 #define SWM_ARG_ID_DELETEWINDOW (1)
 417         char                    **argv;
 418 };
 419
 420 /* quirks */
 421 struct quirk {
 422         char                    *class;
 423         char                    *name;
 424         unsigned long           quirk;
 425 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 426 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 427 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 428 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 429 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 430 };
 431 int                             quirks_size = 0, quirks_length = 0;
 432 struct quirk                    *quirks = NULL;
 433
 434 /* events */
 435 #ifdef SWM_DEBUG
 436 void
 437 dumpevent(XEvent *e)
 438 {
 439         char                    *name = NULL;
 440
 441         switch (e->type) {
 442         case KeyPress:
 443                 name = "KeyPress";
 444                 break;
 445         case KeyRelease:
 446                 name = "KeyRelease";
 447                 break;
 448         case ButtonPress:
 449                 name = "ButtonPress";
 450                 break;
 451         case ButtonRelease:
 452                 name = "ButtonRelease";
 453                 break;
 454         case MotionNotify:
 455                 name = "MotionNotify";
 456                 break;
 457         case EnterNotify:
 458                 name = "EnterNotify";
 459                 break;
 460         case LeaveNotify:
 461                 name = "LeaveNotify";
 462                 break;
 463         case FocusIn:
 464                 name = "FocusIn";
 465                 break;
 466         case FocusOut:
 467                 name = "FocusOut";
 468                 break;
 469         case KeymapNotify:
 470                 name = "KeymapNotify";
 471                 break;
 472         case Expose:
 473                 name = "Expose";
 474                 break;
 475         case GraphicsExpose:
 476                 name = "GraphicsExpose";
 477                 break;
 478         case NoExpose:
 479                 name = "NoExpose";
 480                 break;
 481         case VisibilityNotify:
 482                 name = "VisibilityNotify";
 483                 break;
 484         case CreateNotify:
 485                 name = "CreateNotify";
 486                 break;
 487         case DestroyNotify:
 488                 name = "DestroyNotify";
 489                 break;
 490         case UnmapNotify:
 491                 name = "UnmapNotify";
 492                 break;
 493         case MapNotify:
 494                 name = "MapNotify";
 495                 break;
 496         case MapRequest:
 497                 name = "MapRequest";
 498                 break;
 499         case ReparentNotify:
 500                 name = "ReparentNotify";
 501                 break;
 502         case ConfigureNotify:
 503                 name = "ConfigureNotify";
 504                 break;
 505         case ConfigureRequest:
 506                 name = "ConfigureRequest";
 507                 break;
 508         case GravityNotify:
 509                 name = "GravityNotify";
 510                 break;
 511         case ResizeRequest:
 512                 name = "ResizeRequest";
 513                 break;
 514         case CirculateNotify:
 515                 name = "CirculateNotify";
 516                 break;
 517         case CirculateRequest:
 518                 name = "CirculateRequest";
 519                 break;
 520         case PropertyNotify:
 521                 name = "PropertyNotify";
 522                 break;
 523         case SelectionClear:
 524                 name = "SelectionClear";
 525                 break;
 526         case SelectionRequest:
 527                 name = "SelectionRequest";
 528                 break;
 529         case SelectionNotify:
 530                 name = "SelectionNotify";
 531                 break;
 532         case ColormapNotify:
 533                 name = "ColormapNotify";
 534                 break;
 535         case ClientMessage:
 536                 name = "ClientMessage";
 537                 break;
 538         case MappingNotify:
 539                 name = "MappingNotify";
 540                 break;
 541         }
 542
 543         if (name)
 544                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 545                     "remaining\n",
 546                     e->xany.window, name, e->type, QLength(display));
 547         else
 548                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 549                     "remaining\n",
 550                     e->xany.window, e->type, QLength(display));
 551 }
 552
 553 void
 554 dumpwins(struct swm_region *r, union arg *args)
 555 {
 556         struct ws_win           *win;
 557         unsigned int            state;
 558         XWindowAttributes       wa;
 559
 560         if (r->ws == NULL) {
 561                 fprintf(stderr, "invalid workspace\n");
 562                 return;
 563         }
 564
 565         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 566
 567         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 568                 state = getstate(win->id);
 569                 if (!XGetWindowAttributes(display, win->id, &wa))
 570                         fprintf(stderr, "window: %lu failed "
 571                             "XGetWindowAttributes\n", win->id);
 572                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 573                     win->id, wa.map_state, state);
 574         }
 575
 576         fprintf(stderr, "===== unmanaged window list =====\n");
 577         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 578                 state = getstate(win->id);
 579                 if (!XGetWindowAttributes(display, win->id, &wa))
 580                         fprintf(stderr, "window: %lu failed "
 581                             "XGetWindowAttributes\n", win->id);
 582                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 583                     win->id, wa.map_state, state);
 584         }
 585
 586         fprintf(stderr, "=================================\n");
 587 }
 588 #else
 589 #define dumpevent(e)
 590 void
 591 dumpwins(struct swm_region *r, union arg *args)
 592 {
 593 }
 594 #endif /* SWM_DEBUG */
 595
 596 void                    expose(XEvent *);
 597 void                    keypress(XEvent *);
 598 void                    buttonpress(XEvent *);
 599 void                    configurerequest(XEvent *);
 600 void                    configurenotify(XEvent *);
 601 void                    destroynotify(XEvent *);
 602 void                    enternotify(XEvent *);
 603 void                    focusin(XEvent *);
 604 void                    focusout(XEvent *);
 605 void                    mapnotify(XEvent *);
 606 void                    mappingnotify(XEvent *);
 607 void                    maprequest(XEvent *);
 608 void                    propertynotify(XEvent *);
 609 void                    unmapnotify(XEvent *);
 610 void                    visibilitynotify(XEvent *);
 611
 612 void                    (*handler[LASTEvent])(XEvent *) = {
 613                                 [Expose] = expose,
 614                                 [KeyPress] = keypress,
 615                                 [ButtonPress] = buttonpress,
 616                                 [ConfigureRequest] = configurerequest,
 617                                 [ConfigureNotify] = configurenotify,
 618                                 [DestroyNotify] = destroynotify,
 619                                 [EnterNotify] = enternotify,
 620                                 [FocusIn] = focusin,
 621                                 [FocusOut] = focusout,
 622                                 [MapNotify] = mapnotify,
 623                                 [MappingNotify] = mappingnotify,
 624                                 [MapRequest] = maprequest,
 625                                 [PropertyNotify] = propertynotify,
 626                                 [UnmapNotify] = unmapnotify,
 627                                 [VisibilityNotify] = visibilitynotify,
 628 };
 629
 630 void
 631 sighdlr(int sig)
 632 {
 633         pid_t                   pid;
 634
 635         switch (sig) {
 636         case SIGCHLD:
 637                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 638                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 639                         if (pid <= 0)
 640                                 break;
 641                 }
 642                 break;
 643         case SIGINT:
 644         case SIGTERM:
 645         case SIGHUP:
 646         case SIGQUIT:
 647                 running = 0;
 648                 break;
 649         }
 650 }
 651
 652 void
 653 installsignal(int sig, char *name)
 654 {
 655         struct sigaction        sa;
 656
 657         sa.sa_handler = sighdlr;
 658         sigemptyset(&sa.sa_mask);
 659         sa.sa_flags = 0;
 660         if (sigaction(sig, &sa, NULL) == -1)
 661                 err(1, "could not install %s handler", name);
 662 }
 663
 664 unsigned long
 665 name_to_color(char *colorname)
 666 {
 667         Colormap                cmap;
 668         Status                  status;
 669         XColor                  screen_def, exact_def;
 670         unsigned long           result = 0;
 671         char                    cname[32] = "#";
 672
 673         cmap = DefaultColormap(display, screens[0].idx);
 674         status = XAllocNamedColor(display, cmap, colorname,
 675             &screen_def, &exact_def);
 676         if (!status) {
 677                 strlcat(cname, colorname + 2, sizeof cname - 1);
 678                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 679                     &exact_def);
 680         }
 681         if (status)
 682                 result = screen_def.pixel;
 683         else
 684                 fprintf(stderr, "color '%s' not found.\n", colorname);
 685
 686         return (result);
 687 }
 688
 689 void
 690 setscreencolor(char *val, int i, int c)
 691 {
 692         if (i > 0 && i <= ScreenCount(display)) {
 693                 screens[i - 1].c[c].color = name_to_color(val);
 694                 free(screens[i - 1].c[c].name);
 695                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 696                         errx(1, "strdup");
 697         } else if (i == -1) {
 698                 for (i = 0; i < ScreenCount(display); i++) {
 699                         screens[i].c[c].color = name_to_color(val);
 700                         free(screens[i].c[c].name);
 701                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 702                                 errx(1, "strdup");
 703                 }
 704         } else
 705                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 706                     i, ScreenCount(display));
 707 }
 708
 709 void
 710 custom_region(char *val)
 711 {
 712         unsigned int                    sidx, x, y, w, h;
 713
 714         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 715                 errx(1, "invalid custom region, "
 716                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 717         if (sidx < 1 || sidx > ScreenCount(display))
 718                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 719                     sidx, ScreenCount(display));
 720         sidx--;
 721
 722         if (w < 1 || h < 1)
 723                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 724
 725         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 726             y < 0 || y > DisplayHeight(display, sidx) ||
 727             w + x > DisplayWidth(display, sidx) ||
 728             h + y > DisplayHeight(display, sidx))
 729                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 730                     "(%ux%u)\n", w, h, x, y,
 731                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 732
 733         new_region(&screens[sidx], x, y, w, h);
 734 }
 735
 736 void
 737 socket_setnonblock(int fd)
 738 {
 739         int                     flags;
 740
 741         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 742                 err(1, "fcntl F_GETFL");
 743         flags |= O_NONBLOCK;
 744         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 745                 err(1, "fcntl F_SETFL");
 746 }
 747
 748 void
 749 bar_print(struct swm_region *r, char *s)
 750 {
 751         XClearWindow(display, r->bar_window);
 752         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 753         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 754             strlen(s));
 755 }
 756
 757 void
 758 bar_extra_stop(void)
 759 {
 760         if (bar_pipe[0]) {
 761                 close(bar_pipe[0]);
 762                 bzero(bar_pipe, sizeof bar_pipe);
 763         }
 764         if (bar_pid) {
 765                 kill(bar_pid, SIGTERM);
 766                 bar_pid = 0;
 767         }
 768         strlcpy(bar_ext, "", sizeof bar_ext);
 769         bar_extra = 0;
 770 }
 771
 772 void
 773 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 774 {
 775         int                     do_class, do_name;
 776         Status                  status;
 777         XClassHint              *xch = NULL;
 778
 779         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 780             cur_focus != NULL) {
 781                 if ((xch = XAllocClassHint()) == NULL)
 782                         goto out;
 783                 status = XGetClassHint(display, cur_focus->id, xch);
 784                 if (status == BadWindow || status == BadAlloc)
 785                         goto out;
 786                 do_class = (title_class_enabled && xch->res_class != NULL);
 787                 do_name = (title_name_enabled && xch->res_name != NULL);
 788                 if (do_class)
 789                         strlcat(s, xch->res_class, sz);
 790                 if (do_class && do_name)
 791                         strlcat(s, ":", sz);
 792                 if (do_name)
 793                         strlcat(s, xch->res_name, sz);
 794                 strlcat(s, "    ", sz);
 795         }
 796 out:
 797         if (xch)
 798                 XFree(xch);
 799 }
 800
 801 void
 802 bar_update(void)
 803 {
 804         time_t                  tmt;
 805         struct tm               tm;
 806         struct swm_region       *r;
 807         int                     i, x;
 808         size_t                  len;
 809         char                    s[SWM_BAR_MAX];
 810         char                    loc[SWM_BAR_MAX];
 811         char                    *b;
 812         char                    *stack = "";
 813
 814         if (bar_enabled == 0)
 815                 return;
 816         if (bar_extra && bar_extra_running) {
 817                 /* ignore short reads; it'll correct itself */
 818                 while ((b = fgetln(stdin, &len)) != NULL)
 819                         if (b && b[len - 1] == '\n') {
 820                                 b[len - 1] = '\0';
 821                                 strlcpy(bar_ext, b, sizeof bar_ext);
 822                         }
 823                 if (b == NULL && errno != EAGAIN) {
 824                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 825                             errno, strerror(errno));
 826                         bar_extra_stop();
 827                 }
 828         } else
 829                 strlcpy(bar_ext, "", sizeof bar_ext);
 830
 831         if (clock_enabled == 0)
 832                 strlcpy(s, "", sizeof s);
 833         else {
 834                 time(&tmt);
 835                 localtime_r(&tmt, &tm);
 836                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 837         }
 838
 839         for (i = 0; i < ScreenCount(display); i++) {
 840                 x = 1;
 841                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 842                         if (r && r->ws)
 843                                 bar_class_name(s, sizeof s, r->ws->focus);
 844
 845                         if (stack_enabled)
 846                                 stack = r->ws->cur_layout->name;
 847
 848                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 849                             x++, r->ws->idx + 1, stack, s, bar_ext,
 850                             bar_vertext);
 851                         bar_print(r, loc);
 852                 }
 853         }
 854         alarm(bar_delay);
 855 }
 856
 857 void
 858 bar_signal(int sig)
 859 {
 860         bar_alarm = 1;
 861 }
 862
 863 void
 864 bar_toggle(struct swm_region *r, union arg *args)
 865 {
 866         struct swm_region       *tmpr;
 867         int                     i, sc = ScreenCount(display);
 868
 869         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 870
 871         if (bar_enabled)
 872                 for (i = 0; i < sc; i++)
 873                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 874                                 XUnmapWindow(display, tmpr->bar_window);
 875         else
 876                 for (i = 0; i < sc; i++)
 877                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 878                                 XMapRaised(display, tmpr->bar_window);
 879
 880         bar_enabled = !bar_enabled;
 881
 882         stack();
 883         /* must be after stack */
 884         bar_update();
 885 }
 886
 887 void
 888 bar_refresh(void)
 889 {
 890         XSetWindowAttributes    wa;
 891         struct swm_region       *r;
 892         int                     i;
 893
 894         /* do this here because the conf file is in memory */
 895         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 896                 /* launch external status app */
 897                 bar_extra_running = 1;
 898                 if (pipe(bar_pipe) == -1)
 899                         err(1, "pipe error");
 900                 socket_setnonblock(bar_pipe[0]);
 901                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 902                 if (dup2(bar_pipe[0], 0) == -1)
 903                         errx(1, "dup2");
 904                 if (dup2(bar_pipe[1], 1) == -1)
 905                         errx(1, "dup2");
 906                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 907                         err(1, "could not disable SIGPIPE");
 908                 switch (bar_pid = fork()) {
 909                 case -1:
 910                         err(1, "cannot fork");
 911                         break;
 912                 case 0: /* child */
 913                         close(bar_pipe[0]);
 914                         execvp(bar_argv[0], bar_argv);
 915                         err(1, "%s external app failed", bar_argv[0]);
 916                         break;
 917                 default: /* parent */
 918                         close(bar_pipe[1]);
 919                         break;
 920                 }
 921         }
 922
 923         bzero(&wa, sizeof wa);
 924         for (i = 0; i < ScreenCount(display); i++)
 925                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 926                         wa.border_pixel =
 927                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 928                         wa.background_pixel =
 929                             screens[i].c[SWM_S_COLOR_BAR].color;
 930                         XChangeWindowAttributes(display, r->bar_window,
 931                             CWBackPixel | CWBorderPixel, &wa);
 932                 }
 933         bar_update();
 934 }
 935
 936 void
 937 bar_setup(struct swm_region *r)
 938 {
 939         int                     i;
 940
 941         for (i = 0; bar_fonts[i] != NULL; i++) {
 942                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 943                 if (bar_fs) {
 944                         bar_fidx = i;
 945                         break;
 946                 }
 947         }
 948         if (bar_fonts[i] == NULL)
 949                         errx(1, "couldn't load font");
 950         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 951
 952         r->bar_window = XCreateSimpleWindow(display,
 953             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 954             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 955             r->s->c[SWM_S_COLOR_BAR].color);
 956         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 957         XSetFont(display, bar_gc, bar_fs->fid);
 958         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 959         if (bar_enabled)
 960                 XMapRaised(display, r->bar_window);
 961         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 962
 963         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 964                 err(1, "could not install bar_signal");
 965         bar_refresh();
 966 }
 967
 968 void
 969 set_win_state(struct ws_win *win, long state)
 970 {
 971         long                    data[] = {state, None};
 972
 973         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 974
 975         if (win == NULL)
 976                 return;
 977
 978         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 979             (unsigned char *)data, 2);
 980 }
 981
 982 long
 983 getstate(Window w)
 984 {
 985         int                     format, status;
 986         long                    result = -1;
 987         unsigned char           *p = NULL;
 988         unsigned long           n, extra;
 989         Atom                    real;
 990
 991         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 992             &real, &format, &n, &extra, (unsigned char **)&p);
 993         if (status != Success)
 994                 return (-1);
 995         if (n != 0)
 996                 result = *((long *)p);
 997         XFree(p);
 998         return (result);
 999 }
1000
1001 void
1002 version(struct swm_region *r, union arg *args)
1003 {
1004         bar_version = !bar_version;
1005         if (bar_version)
1006                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1007                     SWM_VERSION, cvstag);
1008         else
1009                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1010         bar_update();
1011 }
1012
1013 void
1014 client_msg(struct ws_win *win, Atom a)
1015 {
1016         XClientMessageEvent     cm;
1017
1018         if (win == NULL)
1019                 return;
1020
1021         bzero(&cm, sizeof cm);
1022         cm.type = ClientMessage;
1023         cm.window = win->id;
1024         cm.message_type = aprot;
1025         cm.format = 32;
1026         cm.data.l[0] = a;
1027         cm.data.l[1] = CurrentTime;
1028         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1029 }
1030
1031 void
1032 configreq_win(struct ws_win *win)
1033 {
1034         XConfigureRequestEvent  cr;
1035
1036         if (win == NULL)
1037                 return;
1038
1039         bzero(&cr, sizeof cr);
1040         cr.type = ConfigureRequest;
1041         cr.display = display;
1042         cr.parent = win->id;
1043         cr.window = win->id;
1044         cr.x = win->g.x;
1045         cr.y = win->g.y;
1046         cr.width = win->g.w;
1047         cr.height = win->g.h;
1048         cr.border_width = 1;
1049
1050         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&cr);
1051 }
1052
1053 void
1054 config_win(struct ws_win *win)
1055 {
1056         XConfigureEvent         ce;
1057
1058         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1059             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1060
1061         if (win == NULL)
1062                 return;
1063
1064         ce.type = ConfigureNotify;
1065         ce.display = display;
1066         ce.event = win->id;
1067         ce.window = win->id;
1068         ce.x = win->g.x;
1069         ce.y = win->g.y;
1070         ce.width = win->g.w;
1071         ce.height = win->g.h;
1072         ce.border_width = 1; /* XXX store this! */
1073         ce.above = None;
1074         ce.override_redirect = False;
1075         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1076 }
1077
1078 int
1079 count_win(struct workspace *ws, int count_transient)
1080 {
1081         struct ws_win           *win;
1082         int                     count = 0;
1083
1084         TAILQ_FOREACH(win, &ws->winlist, entry) {
1085                 if (count_transient == 0 && win->floating)
1086                         continue;
1087                 if (count_transient == 0 && win->transient)
1088                         continue;
1089                 count++;
1090         }
1091         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1092
1093         return (count);
1094 }
1095
1096 void
1097 quit(struct swm_region *r, union arg *args)
1098 {
1099         DNPRINTF(SWM_D_MISC, "quit\n");
1100         running = 0;
1101 }
1102
1103 void
1104 unmap_window(struct ws_win *win)
1105 {
1106         if (win == NULL)
1107                 return;
1108
1109         /* don't unmap again */
1110         if (getstate(win->id) == IconicState)
1111                 return;
1112
1113         set_win_state(win, IconicState);
1114
1115         XUnmapWindow(display, win->id);
1116 }
1117
1118 void
1119 unmap_all(void)
1120 {
1121         struct ws_win           *win;
1122         int                     i, j;
1123
1124         for (i = 0; i < ScreenCount(display); i++)
1125                 for (j = 0; j < SWM_WS_MAX; j++)
1126                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1127                                 unmap_window(win);
1128 }
1129
1130 void
1131 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1132 {
1133         XKeyEvent event;
1134
1135         if (win == NULL)
1136                 return;
1137
1138         event.display = display;        /* Ignored, but what the hell */
1139         event.window = win->id;
1140         event.root = win->s->root;
1141         event.subwindow = None;
1142         event.time = CurrentTime;
1143         event.x = win->g.x;
1144         event.y = win->g.y;
1145         event.x_root = 1;
1146         event.y_root = 1;
1147         event.same_screen = True;
1148         event.keycode = XKeysymToKeycode(display, keysym);
1149         event.state = modifiers;
1150
1151         event.type = KeyPress;
1152         XSendEvent(event.display, event.window, True,
1153             KeyPressMask, (XEvent *)&event);
1154
1155         event.type = KeyRelease;
1156         XSendEvent(event.display, event.window, True,
1157             KeyPressMask, (XEvent *)&event);
1158
1159 }
1160
1161 void
1162 restart(struct swm_region *r, union arg *args)
1163 {
1164         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1165
1166         /* disable alarm because the following code may not be interrupted */
1167         alarm(0);
1168         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1169                 errx(1, "can't disable alarm");
1170
1171         bar_extra_stop();
1172         bar_extra = 1;
1173         unmap_all();
1174         XCloseDisplay(display);
1175         execvp(start_argv[0], start_argv);
1176         fprintf(stderr, "execvp failed\n");
1177         perror(" failed");
1178         quit(NULL, NULL);
1179 }
1180
1181 struct swm_region *
1182 root_to_region(Window root)
1183 {
1184         struct swm_region       *r = NULL;
1185         Window                  rr, cr;
1186         int                     i, x, y, wx, wy;
1187         unsigned int            mask;
1188
1189         for (i = 0; i < ScreenCount(display); i++)
1190                 if (screens[i].root == root)
1191                         break;
1192
1193         if (XQueryPointer(display, screens[i].root,
1194             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1195                 /* choose a region based on pointer location */
1196                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1197                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1198                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1199                                 break;
1200         }
1201
1202         if (r == NULL)
1203                 r = TAILQ_FIRST(&screens[i].rl);
1204
1205         return (r);
1206 }
1207
1208 struct ws_win *
1209 find_unmanaged_window(Window id)
1210 {
1211         struct ws_win           *win;
1212         int                     i, j;
1213
1214         for (i = 0; i < ScreenCount(display); i++)
1215                 for (j = 0; j < SWM_WS_MAX; j++)
1216                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1217                             entry)
1218                                 if (id == win->id)
1219                                         return (win);
1220         return (NULL);
1221 }
1222
1223 struct ws_win *
1224 find_window(Window id)
1225 {
1226         struct ws_win           *win;
1227         int                     i, j;
1228
1229         for (i = 0; i < ScreenCount(display); i++)
1230                 for (j = 0; j < SWM_WS_MAX; j++)
1231                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1232                                 if (id == win->id)
1233                                         return (win);
1234         return (NULL);
1235 }
1236
1237 void
1238 spawn(struct swm_region *r, union arg *args)
1239 {
1240         char                    *ret;
1241         int                     si;
1242
1243         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1244         /*
1245          * The double-fork construct avoids zombie processes and keeps the code
1246          * clean from stupid signal handlers.
1247          */
1248         if (fork() == 0) {
1249                 if (fork() == 0) {
1250                         if (display)
1251                                 close(ConnectionNumber(display));
1252                         setenv("LD_PRELOAD", SWM_LIB, 1);
1253                         if (asprintf(&ret, "%d", r->ws->idx)) {
1254                                 setenv("_SWM_WS", ret, 1);
1255                                 free(ret);
1256                         }
1257                         if (asprintf(&ret, "%d", getpid())) {
1258                                 setenv("_SWM_PID", ret, 1);
1259                                 free(ret);
1260                         }
1261                         setsid();
1262                         /* kill stdin, mplayer, ssh-add etc. need that */
1263                         si = open("/dev/null", O_RDONLY, 0);
1264                         if (si == -1)
1265                                 err(1, "open /dev/null");
1266                         if (dup2(si, 0) == -1)
1267                                 err(1, "dup2 /dev/null");
1268                         execvp(args->argv[0], args->argv);
1269                         fprintf(stderr, "execvp failed\n");
1270                         perror(" failed");
1271                 }
1272                 exit(0);
1273         }
1274 }
1275
1276 void
1277 spawnterm(struct swm_region *r, union arg *args)
1278 {
1279         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1280
1281         if (term_width)
1282                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1283         spawn(r, args);
1284 }
1285
1286 void
1287 unfocus_win(struct ws_win *win)
1288 {
1289         if (win == NULL)
1290                 return;
1291         if (win->ws == NULL)
1292                 return;
1293         if (win->ws->r == NULL)
1294                 return;
1295
1296         if (win->ws->focus == win) {
1297                 win->ws->focus = NULL;
1298                 win->ws->focus_prev = win;
1299         }
1300
1301         grabbuttons(win, 0);
1302         XSetWindowBorder(display, win->id,
1303             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1304 }
1305
1306 void
1307 unfocus_all(void)
1308 {
1309         struct ws_win           *win;
1310         int                     i, j;
1311
1312         DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1313
1314         for (i = 0; i < ScreenCount(display); i++)
1315                 for (j = 0; j < SWM_WS_MAX; j++)
1316                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1317                                 unfocus_win(win);
1318 }
1319
1320 void
1321 focus_win(struct ws_win *win)
1322 {
1323         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1324
1325         if (win == NULL)
1326                 return;
1327         if (win->ws == NULL)
1328                 return;
1329
1330         /* use big hammer to make sure it works under all use cases */
1331         unfocus_all();
1332         win->ws->focus = win;
1333
1334         if (win->ws->r != NULL) {
1335                 grabbuttons(win, 1);
1336                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1337                         XMapRaised(display, win->id);
1338                 XSetWindowBorder(display, win->id,
1339                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1340                 if (win->java == 0)
1341                         XSetInputFocus(display, win->id,
1342                             RevertToPointerRoot, CurrentTime);
1343         }
1344 }
1345
1346 void
1347 switchws(struct swm_region *r, union arg *args)
1348 {
1349         int                     wsid = args->id;
1350         struct swm_region       *this_r, *other_r;
1351         struct ws_win           *win, *winfocus = NULL, *parent = NULL;
1352         struct workspace        *new_ws, *old_ws;
1353
1354         if (!(r && r->s))
1355                 return;
1356
1357         this_r = r;
1358         old_ws = this_r->ws;
1359         new_ws = &this_r->s->ws[wsid];
1360
1361         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1362             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1363             old_ws->idx, wsid);
1364
1365         if (new_ws == NULL || old_ws == NULL)
1366                 return;
1367         if (new_ws == old_ws)
1368                 return;
1369
1370         /* get focus window */
1371         if (new_ws->focus)
1372                 winfocus = new_ws->focus;
1373         else if (new_ws->focus_prev)
1374                 winfocus = new_ws->focus_prev;
1375         else
1376                 winfocus = TAILQ_FIRST(&new_ws->winlist);
1377
1378         other_r = new_ws->r;
1379         if (other_r == NULL) {
1380                 /* if the other workspace is hidden, switch windows */
1381                 if (old_ws->r != NULL)
1382                         old_ws->old_r = old_ws->r;
1383                 old_ws->r = NULL;
1384
1385                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1386                         unmap_window(win);
1387         } else {
1388                 other_r->ws = old_ws;
1389                 old_ws->r = other_r;
1390         }
1391         this_r->ws = new_ws;
1392         new_ws->r = this_r;
1393
1394         ignore_enter = 1;
1395         stack();
1396         if (winfocus) {
1397                 /* make sure we see the parent window */
1398                 if (winfocus->transient) {
1399                         parent = find_window(winfocus->transient);
1400                         if (parent)
1401                                 focus_win(parent);
1402                 }
1403
1404                 focus_win(winfocus);
1405         }
1406         ignore_enter = 0;
1407         bar_update();
1408 }
1409
1410 void
1411 cyclews(struct swm_region *r, union arg *args)
1412 {
1413         union                   arg a;
1414         struct swm_screen       *s = r->s;
1415
1416         DNPRINTF(SWM_D_WS, "cyclews id %d "
1417             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1418             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1419
1420         a.id = r->ws->idx;
1421         do {
1422                 switch (args->id) {
1423                 case SWM_ARG_ID_CYCLEWS_UP:
1424                         if (a.id < SWM_WS_MAX - 1)
1425                                 a.id++;
1426                         else
1427                                 a.id = 0;
1428                         break;
1429                 case SWM_ARG_ID_CYCLEWS_DOWN:
1430                         if (a.id > 0)
1431                                 a.id--;
1432                         else
1433                                 a.id = SWM_WS_MAX - 1;
1434                         break;
1435                 default:
1436                         return;
1437                 };
1438
1439                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1440                         continue;
1441                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1442                         continue;
1443
1444                 switchws(r, &a);
1445         } while (a.id != r->ws->idx);
1446 }
1447
1448 void
1449 cyclescr(struct swm_region *r, union arg *args)
1450 {
1451         struct swm_region       *rr = NULL;
1452         struct workspace        *ws = NULL;
1453         struct ws_win           *winfocus = NULL;
1454         int                     i, x, y;
1455
1456         /* do nothing if we don't have more than one screen */
1457         if (!(ScreenCount(display) > 1 || outputs > 1))
1458                 return;
1459
1460         i = r->s->idx;
1461         switch (args->id) {
1462         case SWM_ARG_ID_CYCLESC_UP:
1463                 rr = TAILQ_NEXT(r, entry);
1464                 if (rr == NULL)
1465                         rr = TAILQ_FIRST(&screens[i].rl);
1466                 break;
1467         case SWM_ARG_ID_CYCLESC_DOWN:
1468                 rr = TAILQ_PREV(r, swm_region_list, entry);
1469                 if (rr == NULL)
1470                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1471                 break;
1472         default:
1473                 return;
1474         };
1475         if (rr == NULL)
1476                 return;
1477
1478         ws = rr->ws;
1479         winfocus = ws->focus;
1480         if (winfocus == NULL)
1481                 winfocus = ws->focus_prev;
1482         if (winfocus) {
1483                 /* use window coordinates */
1484                 x = winfocus->g.x + 1;
1485                 y = winfocus->g.y + 1;
1486         } else {
1487                 /* use region coordinates */
1488                 x = rr->g.x + 1;
1489                 y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1490         }
1491
1492         unfocus_all();
1493         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1494         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1495
1496         focus_win(winfocus);
1497 }
1498
1499 void
1500 swapwin(struct swm_region *r, union arg *args)
1501 {
1502         struct ws_win           *target, *source;
1503         struct ws_win           *cur_focus;
1504         struct ws_win_list      *wl;
1505
1506
1507         DNPRINTF(SWM_D_WS, "swapwin id %d "
1508             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1509             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1510
1511         cur_focus = r->ws->focus;
1512         if (cur_focus == NULL)
1513                 return;
1514
1515         source = cur_focus;
1516         wl = &source->ws->winlist;
1517
1518         switch (args->id) {
1519         case SWM_ARG_ID_SWAPPREV:
1520                 target = TAILQ_PREV(source, ws_win_list, entry);
1521                 TAILQ_REMOVE(wl, cur_focus, entry);
1522                 if (target == NULL)
1523                         TAILQ_INSERT_TAIL(wl, source, entry);
1524                 else
1525                         TAILQ_INSERT_BEFORE(target, source, entry);
1526                 break;
1527         case SWM_ARG_ID_SWAPNEXT:
1528                 target = TAILQ_NEXT(source, entry);
1529                 TAILQ_REMOVE(wl, source, entry);
1530                 if (target == NULL)
1531                         TAILQ_INSERT_HEAD(wl, source, entry);
1532                 else
1533                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1534                 break;
1535         case SWM_ARG_ID_SWAPMAIN:
1536                 target = TAILQ_FIRST(wl);
1537                 if (target == source) {
1538                         if (source->ws->focus_prev != NULL &&
1539                             source->ws->focus_prev != target)
1540
1541                                 source = source->ws->focus_prev;
1542                         else
1543                                 return;
1544                 }
1545                 if (target == NULL || source == NULL)
1546                         return;
1547                 source->ws->focus_prev = target;
1548                 TAILQ_REMOVE(wl, target, entry);
1549                 TAILQ_INSERT_BEFORE(source, target, entry);
1550                 TAILQ_REMOVE(wl, source, entry);
1551                 TAILQ_INSERT_HEAD(wl, source, entry);
1552                 break;
1553         default:
1554                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1555                 return;
1556         }
1557
1558         ignore_enter = 1;
1559         stack();
1560 }
1561
1562 void
1563 focus(struct swm_region *r, union arg *args)
1564 {
1565         struct ws_win           *winfocus, *winlostfocus;
1566         struct ws_win_list      *wl;
1567         struct ws_win           *cur_focus;
1568
1569         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1570
1571         cur_focus = r->ws->focus;
1572         if (cur_focus == NULL)
1573                 return;
1574
1575         wl = &cur_focus->ws->winlist;
1576
1577         winlostfocus = cur_focus;
1578
1579         switch (args->id) {
1580         case SWM_ARG_ID_FOCUSPREV:
1581                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1582                 if (winfocus == NULL)
1583                         winfocus = TAILQ_LAST(wl, ws_win_list);
1584                 break;
1585
1586         case SWM_ARG_ID_FOCUSNEXT:
1587                 winfocus = TAILQ_NEXT(cur_focus, entry);
1588                 if (winfocus == NULL)
1589                         winfocus = TAILQ_FIRST(wl);
1590                 break;
1591
1592         case SWM_ARG_ID_FOCUSMAIN:
1593                 winfocus = TAILQ_FIRST(wl);
1594                 if (winfocus == cur_focus)
1595                         winfocus = cur_focus->ws->focus_prev;
1596                 if (winfocus == NULL)
1597                         return;
1598                 break;
1599
1600         default:
1601                 return;
1602         }
1603
1604         if (winfocus == winlostfocus || winfocus == NULL)
1605                 return;
1606
1607         focus_win(winfocus);
1608 }
1609
1610 void
1611 cycle_layout(struct swm_region *r, union arg *args)
1612 {
1613         struct workspace        *ws = r->ws;
1614         struct ws_win           *winfocus, *parent = NULL;
1615
1616         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1617
1618         winfocus = ws->focus;
1619
1620         ws->cur_layout++;
1621         if (ws->cur_layout->l_stack == NULL)
1622                 ws->cur_layout = &layouts[0];
1623
1624         ignore_enter = 1;
1625         stack();
1626         /* make sure we see the parent window */
1627         if (winfocus) {
1628                 if (winfocus->transient)
1629                         parent = find_window(winfocus->transient);
1630                 if (parent)
1631                         focus_win(parent);
1632                 focus_win(winfocus);
1633         }
1634         ignore_enter = 0;
1635 }
1636
1637 void
1638 stack_config(struct swm_region *r, union arg *args)
1639 {
1640         struct workspace        *ws = r->ws;
1641
1642         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1643             args->id, ws->idx);
1644
1645         if (ws->cur_layout->l_config != NULL)
1646                 ws->cur_layout->l_config(ws, args->id);
1647
1648         if (args->id != SWM_ARG_ID_STACKINIT);
1649                 stack();
1650 }
1651
1652 void
1653 stack(void) {
1654         struct swm_geometry     g;
1655         struct swm_region       *r;
1656         int                     i, j;
1657
1658         DNPRINTF(SWM_D_STACK, "stack\n");
1659
1660         for (i = 0; i < ScreenCount(display); i++) {
1661                 j = 0;
1662                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1663                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1664                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1665
1666                         /* start with screen geometry, adjust for bar */
1667                         g = r->g;
1668                         g.w -= 2;
1669                         g.h -= 2;
1670                         if (bar_enabled) {
1671                                 g.y += bar_height;
1672                                 g.h -= bar_height;
1673                         }
1674                         r->ws->cur_layout->l_stack(r->ws, &g);
1675                 }
1676         }
1677         if (font_adjusted)
1678                 font_adjusted--;
1679 }
1680
1681 void
1682 stack_floater(struct ws_win *win, struct swm_region *r)
1683 {
1684         unsigned int            mask;
1685         XWindowChanges          wc;
1686
1687         if (win == NULL)
1688                 return;
1689
1690         bzero(&wc, sizeof wc);
1691         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1692         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
1693             (win->g.h >= HEIGHT(r)))
1694                 wc.border_width = 0;
1695         else
1696                 wc.border_width = 1;
1697         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1698                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1699                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1700         }
1701         wc.width = win->g.w;
1702         wc.height = win->g.h;
1703         if (win->manual) {
1704                 wc.x = win->g.x;
1705                 wc.y = win->g.y;
1706         } else {
1707                 wc.x = (WIDTH(r) - win->g.w) / 2;
1708                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1709         }
1710
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         struct swm_region       *r = win->ws->r;
2202
2203         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2204             win->id, win->floating, win->transient);
2205
2206         if (!(win->transient != 0 || win->floating != 0))
2207                 return;
2208
2209         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2210             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2211                 return;
2212         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2213         do {
2214                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2215                     SubstructureRedirectMask, &ev);
2216                 switch(ev.type) {
2217                 case ConfigureRequest:
2218                 case Expose:
2219                 case MapRequest:
2220                         handler[ev.type](&ev);
2221                         break;
2222                 case MotionNotify:
2223                         /* do not allow resize outside of region */
2224                         if (ev.xmotion.y_root < r->g.y ||
2225                             ev.xmotion.y_root >= r->g.y + r->g.h - 1)
2226                                 continue;
2227                         if (ev.xmotion.x_root < r->g.x ||
2228                             ev.xmotion.x_root >= r->g.x + r->g.w - 1)
2229                                 continue;
2230
2231                         if (ev.xmotion.x <= 1)
2232                                 ev.xmotion.x = 1;
2233                         if (ev.xmotion.y <= 1)
2234                                 ev.xmotion.y = 1;
2235                         win->g.w = ev.xmotion.x;
2236                         win->g.h = ev.xmotion.y;
2237
2238                         /* not free, don't sync more than 60 times / second */
2239                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2240                                 time = ev.xmotion.time;
2241                                 XSync(display, False);
2242                                 resize_window(win, args->id);
2243                         }
2244                         break;
2245                 }
2246         } while (ev.type != ButtonRelease);
2247         if (time) {
2248                 XSync(display, False);
2249                 resize_window(win, args->id);
2250         }
2251         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2252             win->g.h - 1);
2253         XUngrabPointer(display, CurrentTime);
2254
2255         /* drain events */
2256         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2257 }
2258
2259 void
2260 move_window(struct ws_win *win)
2261 {
2262         unsigned int            mask;
2263         XWindowChanges          wc;
2264         struct swm_region       *r;
2265
2266         r = root_to_region(win->wa.root);
2267         bzero(&wc, sizeof wc);
2268         mask = CWX | CWY;
2269         wc.x = win->g.x;
2270         wc.y = win->g.y;
2271
2272         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2273             win->id, wc.x, wc.y, wc.width, wc.height);
2274
2275         XConfigureWindow(display, win->id, mask, &wc);
2276         configreq_win(win);
2277 }
2278
2279 void
2280 move(struct ws_win *win, union arg *args)
2281 {
2282         XEvent                  ev;
2283         Time                    time = 0;
2284         int                     restack = 0;
2285         struct swm_region       *r = win->ws->r;
2286
2287         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2288             win->id, win->floating, win->transient);
2289
2290         if (win->floating == 0) {
2291                 win->floating = 1;
2292                 win->manual = 1;
2293                 restack = 1;
2294         }
2295
2296         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2297             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2298                 return;
2299         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2300         do {
2301                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2302                     SubstructureRedirectMask, &ev);
2303                 switch(ev.type) {
2304                 case ConfigureRequest:
2305                 case Expose:
2306                 case MapRequest:
2307                         handler[ev.type](&ev);
2308                         break;
2309                 case MotionNotify:
2310                         /* don't allow to move window out of region */
2311                         if (ev.xmotion.y_root < r->g.y ||
2312                             ev.xmotion.y_root + win->g.h >= r->g.y + r->g.h - 1)
2313                                 continue;
2314                         if (ev.xmotion.x_root < r->g.x ||
2315                             ev.xmotion.x_root + win->g.w >= r->g.x + r->g.w - 1)
2316                                 continue;
2317
2318                         win->g.x = ev.xmotion.x_root;
2319                         win->g.y = ev.xmotion.y_root;
2320
2321                         /* not free, don't sync more than 60 times / second */
2322                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2323                                 time = ev.xmotion.time;
2324                                 XSync(display, False);
2325                                 move_window(win);
2326                         }
2327                         break;
2328                 }
2329         } while (ev.type != ButtonRelease);
2330         if (time) {
2331                 XSync(display, False);
2332                 move_window(win);
2333         }
2334         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2335         XUngrabPointer(display, CurrentTime);
2336         if (restack)
2337                 stack();
2338
2339         /* drain events */
2340         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2341 }
2342
2343 /* key definitions */
2344 void
2345 dummykeyfunc(struct swm_region *r, union arg *args)
2346 {
2347 };
2348
2349 void
2350 legacyfunc(struct swm_region *r, union arg *args)
2351 {
2352 };
2353
2354 struct keyfunc {
2355         char                    name[SWM_FUNCNAME_LEN];
2356         void                    (*func)(struct swm_region *r, union arg *);
2357         union arg               args;
2358 } keyfuncs[kf_invalid + 1] = {
2359         /* name                 function        argument */
2360         { "cycle_layout",       cycle_layout,   {0} },
2361         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2362         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2363         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2364         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2365         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2366         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2367         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2368         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2369         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2370         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2371         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2372         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2373         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2374         { "spawn_menu",         legacyfunc,     {0} },
2375         { "quit",               quit,           {0} },
2376         { "restart",            restart,        {0} },
2377         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2378         { "ws_1",               switchws,       {.id = 0} },
2379         { "ws_2",               switchws,       {.id = 1} },
2380         { "ws_3",               switchws,       {.id = 2} },
2381         { "ws_4",               switchws,       {.id = 3} },
2382         { "ws_5",               switchws,       {.id = 4} },
2383         { "ws_6",               switchws,       {.id = 5} },
2384         { "ws_7",               switchws,       {.id = 6} },
2385         { "ws_8",               switchws,       {.id = 7} },
2386         { "ws_9",               switchws,       {.id = 8} },
2387         { "ws_10",              switchws,       {.id = 9} },
2388         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2389         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2390         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2391         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2392         { "mvws_1",             send_to_ws,     {.id = 0} },
2393         { "mvws_2",             send_to_ws,     {.id = 1} },
2394         { "mvws_3",             send_to_ws,     {.id = 2} },
2395         { "mvws_4",             send_to_ws,     {.id = 3} },
2396         { "mvws_5",             send_to_ws,     {.id = 4} },
2397         { "mvws_6",             send_to_ws,     {.id = 5} },
2398         { "mvws_7",             send_to_ws,     {.id = 6} },
2399         { "mvws_8",             send_to_ws,     {.id = 7} },
2400         { "mvws_9",             send_to_ws,     {.id = 8} },
2401         { "mvws_10",            send_to_ws,     {.id = 9} },
2402         { "bar_toggle",         bar_toggle,     {0} },
2403         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2404         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2405         { "screenshot_all",     legacyfunc,     {0} },
2406         { "screenshot_wind",    legacyfunc,     {0} },
2407         { "float_toggle",       floating_toggle,{0} },
2408         { "version",            version,        {0} },
2409         { "spawn_lock",         legacyfunc,     {0} },
2410         { "spawn_initscr",      legacyfunc,     {0} },
2411         { "spawn_custom",       dummykeyfunc,   {0} },
2412         { "dumpwins",           dumpwins,       {0} },
2413         { "invalid key func",   NULL,           {0} },
2414 };
2415 struct key {
2416         unsigned int            mod;
2417         KeySym                  keysym;
2418         enum keyfuncid          funcid;
2419         char                    *spawn_name;
2420 };
2421 int                             keys_size = 0, keys_length = 0;
2422 struct key                      *keys = NULL;
2423
2424 /* mouse */
2425 enum { client_click, root_click };
2426 struct button {
2427         unsigned int            action;
2428         unsigned int            mask;
2429         unsigned int            button;
2430         void                    (*func)(struct ws_win *, union arg *);
2431         union arg               args;
2432 } buttons[] = {
2433           /* action     key             mouse button    func    args */
2434         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2435         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2436         { client_click, MODKEY,         Button1,        move,   {0} },
2437 };
2438
2439 void
2440 update_modkey(unsigned int mod)
2441 {
2442         int                     i;
2443
2444         mod_key = mod;
2445         for (i = 0; i < keys_length; i++)
2446                 if (keys[i].mod & ShiftMask)
2447                         keys[i].mod = mod | ShiftMask;
2448                 else
2449                         keys[i].mod = mod;
2450
2451         for (i = 0; i < LENGTH(buttons); i++)
2452                 if (buttons[i].mask & ShiftMask)
2453                         buttons[i].mask = mod | ShiftMask;
2454                 else
2455                         buttons[i].mask = mod;
2456 }
2457
2458 /* spawn */
2459 struct spawn_prog {
2460         char                    *name;
2461         int                     argc;
2462         char                    **argv;
2463 };
2464
2465 int                             spawns_size = 0, spawns_length = 0;
2466 struct spawn_prog               *spawns = NULL;
2467
2468 void
2469 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2470 {
2471         union arg               a;
2472         struct spawn_prog       *prog = NULL;
2473         int                     i;
2474         char                    *ap, **real_args;
2475
2476         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2477
2478         /* find program */
2479         for (i = 0; i < spawns_length; i++) {
2480                 if (!strcasecmp(spawn_name, spawns[i].name))
2481                         prog = &spawns[i];
2482         }
2483         if (prog == NULL) {
2484                 fprintf(stderr, "spawn_custom: program %s not found\n",
2485                     spawn_name);
2486                 return;
2487         }
2488
2489         /* make room for expanded args */
2490         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2491                 err(1, "spawn_custom: calloc real_args");
2492
2493         /* expand spawn_args into real_args */
2494         for (i = 0; i < prog->argc; i++) {
2495                 ap = prog->argv[i];
2496                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2497                 if (!strcasecmp(ap, "$bar_border")) {
2498                         if ((real_args[i] =
2499                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2500                             == NULL)
2501                                 err(1,  "spawn_custom border color");
2502                 } else if (!strcasecmp(ap, "$bar_color")) {
2503                         if ((real_args[i] =
2504                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2505                             == NULL)
2506                                 err(1, "spawn_custom bar color");
2507                 } else if (!strcasecmp(ap, "$bar_font")) {
2508                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2509                             == NULL)
2510                                 err(1, "spawn_custom bar fonts");
2511                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2512                         if ((real_args[i] =
2513                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2514                             == NULL)
2515                                 err(1, "spawn_custom color font");
2516                 } else if (!strcasecmp(ap, "$color_focus")) {
2517                         if ((real_args[i] =
2518                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2519                             == NULL)
2520                                 err(1, "spawn_custom color focus");
2521                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2522                         if ((real_args[i] =
2523                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2524                             == NULL)
2525                                 err(1, "spawn_custom color unfocus");
2526                 } else {
2527                         /* no match --> copy as is */
2528                         if ((real_args[i] = strdup(ap)) == NULL)
2529                                 err(1, "spawn_custom strdup(ap)");
2530                 }
2531                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2532                     real_args[i]);
2533         }
2534
2535 #ifdef SWM_DEBUG
2536         if ((swm_debug & SWM_D_SPAWN) != 0) {
2537                 fprintf(stderr, "spawn_custom: result = ");
2538                 for (i = 0; i < prog->argc; i++)
2539                         fprintf(stderr, "\"%s\" ", real_args[i]);
2540                 fprintf(stderr, "\n");
2541         }
2542 #endif
2543
2544         a.argv = real_args;
2545         spawn(r, &a);
2546         for (i = 0; i < prog->argc; i++)
2547                 free(real_args[i]);
2548         free(real_args);
2549 }
2550
2551 void
2552 setspawn(struct spawn_prog *prog)
2553 {
2554         int                     i, j;
2555
2556         if (prog == NULL || prog->name == NULL)
2557                 return;
2558
2559         /* find existing */
2560         for (i = 0; i < spawns_length; i++) {
2561                 if (!strcmp(spawns[i].name, prog->name)) {
2562                         /* found */
2563                         if (prog->argv == NULL) {
2564                                 /* delete */
2565                                 DNPRINTF(SWM_D_SPAWN,
2566                                     "setspawn: delete #%d %s\n",
2567                                     i, spawns[i].name);
2568                                 free(spawns[i].name);
2569                                 for (j = 0; j < spawns[i].argc; j++)
2570                                         free(spawns[i].argv[j]);
2571                                 free(spawns[i].argv);
2572                                 j = spawns_length - 1;
2573                                 if (i < j)
2574                                         spawns[i] = spawns[j];
2575                                 spawns_length--;
2576                                 free(prog->name);
2577                         } else {
2578                                 /* replace */
2579                                 DNPRINTF(SWM_D_SPAWN,
2580                                     "setspawn: replace #%d %s\n",
2581                                     i, spawns[i].name);
2582                                 free(spawns[i].name);
2583                                 for (j = 0; j < spawns[i].argc; j++)
2584                                         free(spawns[i].argv[j]);
2585                                 free(spawns[i].argv);
2586                                 spawns[i] = *prog;
2587                         }
2588                         /* found case handled */
2589                         free(prog);
2590                         return;
2591                 }
2592         }
2593
2594         if (prog->argv == NULL) {
2595                 fprintf(stderr,
2596                     "error: setspawn: cannot find program %s", prog->name);
2597                 free(prog);
2598                 return;
2599         }
2600
2601         /* not found: add */
2602         if (spawns_size == 0 || spawns == NULL) {
2603                 spawns_size = 4;
2604                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2605                 spawns = malloc((size_t)spawns_size *
2606                     sizeof(struct spawn_prog));
2607                 if (spawns == NULL) {
2608                         fprintf(stderr, "setspawn: malloc failed\n");
2609                         perror(" failed");
2610                         quit(NULL, NULL);
2611                 }
2612         } else if (spawns_length == spawns_size) {
2613                 spawns_size *= 2;
2614                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2615                 spawns = realloc(spawns, (size_t)spawns_size *
2616                     sizeof(struct spawn_prog));
2617                 if (spawns == NULL) {
2618                         fprintf(stderr, "setspawn: realloc failed\n");
2619                         perror(" failed");
2620                         quit(NULL, NULL);
2621                 }
2622         }
2623
2624         if (spawns_length < spawns_size) {
2625                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2626                     spawns_length, prog->name);
2627                 i = spawns_length++;
2628                 spawns[i] = *prog;
2629         } else {
2630                 fprintf(stderr, "spawns array problem?\n");
2631                 if (spawns == NULL) {
2632                         fprintf(stderr, "spawns array is NULL!\n");
2633                         quit(NULL, NULL);
2634                 }
2635         }
2636         free(prog);
2637 }
2638
2639 int
2640 setconfspawn(char *selector, char *value, int flags)
2641 {
2642         struct spawn_prog       *prog;
2643         char                    *vp, *cp, *word;
2644
2645         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2646         if ((prog = calloc(1, sizeof *prog)) == NULL)
2647                 err(1, "setconfspawn: calloc prog");
2648         prog->name = strdup(selector);
2649         if (prog->name == NULL)
2650                 err(1, "setconfspawn prog->name");
2651         if ((cp = vp = strdup(value)) == NULL)
2652                 err(1, "setconfspawn: strdup(value) ");
2653         while ((word = strsep(&cp, " \t")) != NULL) {
2654                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2655                 if (cp)
2656                         cp += (long)strspn(cp, " \t");
2657                 if (strlen(word) > 0) {
2658                         prog->argc++;
2659                         prog->argv = realloc(prog->argv,
2660                             prog->argc * sizeof(char *));
2661                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2662                                 err(1, "setconfspawn: strdup");
2663                 }
2664         }
2665         free(vp);
2666
2667         setspawn(prog);
2668
2669         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2670         return (0);
2671 }
2672
2673 void
2674 setup_spawn(void)
2675 {
2676         setconfspawn("term",            "xterm",                0);
2677         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2678         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2679         setconfspawn("lock",            "xlock",                0);
2680         setconfspawn("initscr",         "initscreen.sh",        0);
2681         setconfspawn("menu",            "dmenu_run"
2682                                         " -fn $bar_font"
2683                                         " -nb $bar_color"
2684                                         " -nf $bar_font_color"
2685                                         " -sb $bar_border"
2686                                         " -sf $bar_color",      0);
2687 }
2688
2689 /* key bindings */
2690 #define SWM_MODNAME_SIZE        32
2691 #define SWM_KEY_WS              "\n+ \t"
2692 int
2693 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2694 {
2695         char                    *cp, *name;
2696         KeySym                  uks;
2697         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2698         if (mod == NULL || ks == NULL) {
2699                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2700                 return (1);
2701         }
2702         if (keystr == NULL || strlen(keystr) == 0) {
2703                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2704                 return (1);
2705         }
2706         cp = keystr;
2707         *ks = NoSymbol;
2708         *mod = 0;
2709         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2710                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2711                 if (cp)
2712                         cp += (long)strspn(cp, SWM_KEY_WS);
2713                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2714                         *mod |= currmod;
2715                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2716                         *mod |= Mod1Mask;
2717                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2718                         *mod += Mod2Mask;
2719                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2720                         *mod |= Mod3Mask;
2721                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2722                         *mod |= Mod4Mask;
2723                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2724                         *mod |= ShiftMask;
2725                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2726                         *mod |= ControlMask;
2727                 else {
2728                         *ks = XStringToKeysym(name);
2729                         XConvertCase(*ks, ks, &uks);
2730                         if (ks == NoSymbol) {
2731                                 DNPRINTF(SWM_D_KEY,
2732                                     "parsekeys: invalid key %s\n",
2733                                     name);
2734                                 return (1);
2735                         }
2736                 }
2737         }
2738         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2739         return (0);
2740 }
2741
2742 char *
2743 strdupsafe(char *str)
2744 {
2745         if (str == NULL)
2746                 return (NULL);
2747         else
2748                 return (strdup(str));
2749 }
2750
2751 void
2752 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2753 {
2754         int                     i, j;
2755         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2756             keyfuncs[kfid].name, spawn_name);
2757         /* find existing */
2758         for (i = 0; i < keys_length; i++) {
2759                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2760                         if (kfid == kf_invalid) {
2761                                 /* found: delete */
2762                                 DNPRINTF(SWM_D_KEY,
2763                                     "setkeybinding: delete #%d %s\n",
2764                                     i, keyfuncs[keys[i].funcid].name);
2765                                 free(keys[i].spawn_name);
2766                                 j = keys_length - 1;
2767                                 if (i < j)
2768                                         keys[i] = keys[j];
2769                                 keys_length--;
2770                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2771                                 return;
2772                         } else {
2773                                 /* found: replace */
2774                                 DNPRINTF(SWM_D_KEY,
2775                                     "setkeybinding: replace #%d %s %s\n",
2776                                     i, keyfuncs[keys[i].funcid].name,
2777                                     spawn_name);
2778                                 free(keys[i].spawn_name);
2779                                 keys[i].mod = mod;
2780                                 keys[i].keysym = ks;
2781                                 keys[i].funcid = kfid;
2782                                 keys[i].spawn_name = strdupsafe(spawn_name);
2783                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2784                                 return;
2785                         }
2786                 }
2787         }
2788         if (kfid == kf_invalid) {
2789                 fprintf(stderr,
2790                     "error: setkeybinding: cannot find mod/key combination");
2791                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2792                 return;
2793         }
2794         /* not found: add */
2795         if (keys_size == 0 || keys == NULL) {
2796                 keys_size = 4;
2797                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2798                 keys = malloc((size_t)keys_size * sizeof(struct key));
2799                 if (!keys) {
2800                         fprintf(stderr, "malloc failed\n");
2801                         perror(" failed");
2802                         quit(NULL, NULL);
2803                 }
2804         } else if (keys_length == keys_size) {
2805                 keys_size *= 2;
2806                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2807                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2808                 if (!keys) {
2809                         fprintf(stderr, "realloc failed\n");
2810                         perror(" failed");
2811                         quit(NULL, NULL);
2812                 }
2813         }
2814         if (keys_length < keys_size) {
2815                 j = keys_length++;
2816                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2817                     j, keyfuncs[kfid].name, spawn_name);
2818                 keys[j].mod = mod;
2819                 keys[j].keysym = ks;
2820                 keys[j].funcid = kfid;
2821                 keys[j].spawn_name = strdupsafe(spawn_name);
2822         } else {
2823                 fprintf(stderr, "keys array problem?\n");
2824                 if (!keys) {
2825                         fprintf(stderr, "keys array problem\n");
2826                         quit(NULL, NULL);
2827                 }
2828         }
2829         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2830 }
2831
2832 int
2833 setconfbinding(char *selector, char *value, int flags)
2834 {
2835         enum keyfuncid          kfid;
2836         unsigned int            mod;
2837         KeySym                  ks;
2838         int                     i;
2839         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2840         if (selector == NULL) {
2841                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2842                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2843                         kfid = kf_invalid;
2844                         setkeybinding(mod, ks, kfid, NULL);
2845                         return (0);
2846                 } else
2847                         return (1);
2848         }
2849         /* search by key function name */
2850         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2851                 if (strncasecmp(selector, keyfuncs[kfid].name,
2852                     SWM_FUNCNAME_LEN) == 0) {
2853                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2854                             selector);
2855                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2856                                 setkeybinding(mod, ks, kfid, NULL);
2857                                 return (0);
2858                         } else
2859                                 return (1);
2860                 }
2861         }
2862         /* search by custom spawn name */
2863         for (i = 0; i < spawns_length; i++) {
2864                 if (strcasecmp(selector, spawns[i].name) == 0) {
2865                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2866                             selector);
2867                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2868                                 setkeybinding(mod, ks, kf_spawn_custom,
2869                                     spawns[i].name);
2870                                 return (0);
2871                         } else
2872                                 return (1);
2873                 }
2874         }
2875         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2876         return (1);
2877 }
2878
2879 void
2880 setup_keys(void)
2881 {
2882         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2883         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2884         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2885         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2886         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2887         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2888         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2889         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2890         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2891         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2892         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2893         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2894         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2895         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2896         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2897         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2898         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2899         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2900         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2901         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2902         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2903         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2904         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2905         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2906         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2907         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2908         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2909         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2910         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2911         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2912         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2913         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2914         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2915         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2916         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2917         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2918         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2919         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2920         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2921         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2922         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2923         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2924         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2925         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2926         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2927         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2928         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2929         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2930         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2931         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2932         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2933         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2934         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2935 #ifdef SWM_DEBUG
2936         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
2937 #endif
2938 }
2939
2940 void
2941 updatenumlockmask(void)
2942 {
2943         unsigned int            i, j;
2944         XModifierKeymap         *modmap;
2945
2946         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2947         numlockmask = 0;
2948         modmap = XGetModifierMapping(display);
2949         for (i = 0; i < 8; i++)
2950                 for (j = 0; j < modmap->max_keypermod; j++)
2951                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2952                           == XKeysymToKeycode(display, XK_Num_Lock))
2953                                 numlockmask = (1 << i);
2954
2955         XFreeModifiermap(modmap);
2956 }
2957
2958 void
2959 grabkeys(void)
2960 {
2961         unsigned int            i, j, k;
2962         KeyCode                 code;
2963         unsigned int            modifiers[] =
2964             { 0, LockMask, numlockmask, numlockmask | LockMask };
2965
2966         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2967         updatenumlockmask();
2968
2969         for (k = 0; k < ScreenCount(display); k++) {
2970                 if (TAILQ_EMPTY(&screens[k].rl))
2971                         continue;
2972                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2973                 for (i = 0; i < keys_length; i++) {
2974                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2975                                 for (j = 0; j < LENGTH(modifiers); j++)
2976                                         XGrabKey(display, code,
2977                                             keys[i].mod | modifiers[j],
2978                                             screens[k].root, True,
2979                                             GrabModeAsync, GrabModeAsync);
2980                 }
2981         }
2982 }
2983
2984 void
2985 grabbuttons(struct ws_win *win, int focused)
2986 {
2987         unsigned int            i, j;
2988         unsigned int            modifiers[] =
2989             { 0, LockMask, numlockmask, numlockmask|LockMask };
2990
2991         updatenumlockmask();
2992         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2993         if(focused) {
2994                 for (i = 0; i < LENGTH(buttons); i++)
2995                         if (buttons[i].action == client_click)
2996                                 for (j = 0; j < LENGTH(modifiers); j++)
2997                                         XGrabButton(display, buttons[i].button,
2998                                             buttons[i].mask | modifiers[j],
2999                                             win->id, False, BUTTONMASK,
3000                                             GrabModeAsync, GrabModeSync, None,
3001                                             None);
3002         } else
3003                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
3004                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
3005 }
3006
3007 const char *quirkname[] = {
3008         "NONE",         /* config string for "no value" */
3009         "FLOAT",
3010         "TRANSSZ",
3011         "ANYWHERE",
3012         "XTERM_FONTADJ",
3013         "FULLSCREEN",
3014 };
3015
3016 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3017 #define SWM_Q_WS                "\n|+ \t"
3018 int
3019 parsequirks(char *qstr, unsigned long *quirk)
3020 {
3021         char                    *cp, *name;
3022         int                     i;
3023
3024         if (quirk == NULL)
3025                 return (1);
3026
3027         cp = qstr;
3028         *quirk = 0;
3029         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3030                 if (cp)
3031                         cp += (long)strspn(cp, SWM_Q_WS);
3032                 for (i = 0; i < LENGTH(quirkname); i++) {
3033                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3034                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3035                                 if (i == 0) {
3036                                         *quirk = 0;
3037                                         return (0);
3038                                 }
3039                                 *quirk |= 1 << (i-1);
3040                                 break;
3041                         }
3042                 }
3043                 if (i >= LENGTH(quirkname)) {
3044                         DNPRINTF(SWM_D_QUIRK,
3045                             "parsequirks: invalid quirk [%s]\n", name);
3046                         return (1);
3047                 }
3048         }
3049         return (0);
3050 }
3051
3052 void
3053 setquirk(const char *class, const char *name, const int quirk)
3054 {
3055         int                     i, j;
3056
3057         /* find existing */
3058         for (i = 0; i < quirks_length; i++) {
3059                 if (!strcmp(quirks[i].class, class) &&
3060                     !strcmp(quirks[i].name, name)) {
3061                         if (!quirk) {
3062                                 /* found: delete */
3063                                 DNPRINTF(SWM_D_QUIRK,
3064                                     "setquirk: delete #%d %s:%s\n",
3065                                     i, quirks[i].class, quirks[i].name);
3066                                 free(quirks[i].class);
3067                                 free(quirks[i].name);
3068                                 j = quirks_length - 1;
3069                                 if (i < j)
3070                                         quirks[i] = quirks[j];
3071                                 quirks_length--;
3072                                 return;
3073                         } else {
3074                                 /* found: replace */
3075                                 DNPRINTF(SWM_D_QUIRK,
3076                                     "setquirk: replace #%d %s:%s\n",
3077                                     i, quirks[i].class, quirks[i].name);
3078                                 free(quirks[i].class);
3079                                 free(quirks[i].name);
3080                                 quirks[i].class = strdup(class);
3081                                 quirks[i].name = strdup(name);
3082                                 quirks[i].quirk = quirk;
3083                                 return;
3084                         }
3085                 }
3086         }
3087         if (!quirk) {
3088                 fprintf(stderr,
3089                     "error: setquirk: cannot find class/name combination");
3090                 return;
3091         }
3092         /* not found: add */
3093         if (quirks_size == 0 || quirks == NULL) {
3094                 quirks_size = 4;
3095                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3096                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3097                 if (!quirks) {
3098                         fprintf(stderr, "setquirk: malloc failed\n");
3099                         perror(" failed");
3100                         quit(NULL, NULL);
3101                 }
3102         } else if (quirks_length == quirks_size) {
3103                 quirks_size *= 2;
3104                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3105                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3106                 if (!quirks) {
3107                         fprintf(stderr, "setquirk: realloc failed\n");
3108                         perror(" failed");
3109                         quit(NULL, NULL);
3110                 }
3111         }
3112         if (quirks_length < quirks_size) {
3113                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3114                 j = quirks_length++;
3115                 quirks[j].class = strdup(class);
3116                 quirks[j].name = strdup(name);
3117                 quirks[j].quirk = quirk;
3118         } else {
3119                 fprintf(stderr, "quirks array problem?\n");
3120                 if (!quirks) {
3121                         fprintf(stderr, "quirks array problem!\n");
3122                         quit(NULL, NULL);
3123                 }
3124         }
3125 }
3126
3127 int
3128 setconfquirk(char *selector, char *value, int flags)
3129 {
3130         char                    *cp, *class, *name;
3131         int                     retval;
3132         unsigned long           quirks;
3133         if (selector == NULL)
3134                 return (0);
3135         if ((cp = strchr(selector, ':')) == NULL)
3136                 return (0);
3137         *cp = '\0';
3138         class = selector;
3139         name = cp + 1;
3140         if ((retval = parsequirks(value, &quirks)) == 0)
3141                 setquirk(class, name, quirks);
3142         return (retval);
3143 }
3144
3145 void
3146 setup_quirks(void)
3147 {
3148         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3149         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3150         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3151         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3152         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3153         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3154         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3155         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3156         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3157         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3158         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3159         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3160         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3161 }
3162
3163 /* conf file stuff */
3164 #define SWM_CONF_FILE   "scrotwm.conf"
3165
3166 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3167           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3168           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3169           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3170           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3171
3172 int
3173 setconfvalue(char *selector, char *value, int flags)
3174 {
3175         switch (flags) {
3176         case SWM_S_BAR_DELAY:
3177                 bar_delay = atoi(value);
3178                 break;
3179         case SWM_S_BAR_ENABLED:
3180                 bar_enabled = atoi(value);
3181                 break;
3182         case SWM_S_STACK_ENABLED:
3183                 stack_enabled = atoi(value);
3184                 break;
3185         case SWM_S_CLOCK_ENABLED:
3186                 clock_enabled = atoi(value);
3187                 break;
3188         case SWM_S_CYCLE_EMPTY:
3189                 cycle_empty = atoi(value);
3190                 break;
3191         case SWM_S_CYCLE_VISIBLE:
3192                 cycle_visible = atoi(value);
3193                 break;
3194         case SWM_S_SS_ENABLED:
3195                 ss_enabled = atoi(value);
3196                 break;
3197         case SWM_S_TERM_WIDTH:
3198                 term_width = atoi(value);
3199                 break;
3200         case SWM_S_TITLE_CLASS_ENABLED:
3201                 title_class_enabled = atoi(value);
3202                 break;
3203         case SWM_S_TITLE_NAME_ENABLED:
3204                 title_name_enabled = atoi(value);
3205                 break;
3206         case SWM_S_BAR_FONT:
3207                 free(bar_fonts[0]);
3208                 if ((bar_fonts[0] = strdup(value)) == NULL)
3209                         err(1, "setconfvalue: bar_font");
3210                 break;
3211         case SWM_S_BAR_ACTION:
3212                 free(bar_argv[0]);
3213                 if ((bar_argv[0] = strdup(value)) == NULL)
3214                         err(1, "setconfvalue: bar_action");
3215                 break;
3216         case SWM_S_SPAWN_TERM:
3217                 free(spawn_term[0]);
3218                 if ((spawn_term[0] = strdup(value)) == NULL)
3219                         err(1, "setconfvalue: spawn_term");
3220                 break;
3221         case SWM_S_SS_APP:
3222                 break;
3223         case SWM_S_DIALOG_RATIO:
3224                 dialog_ratio = atof(value);
3225                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3226                         dialog_ratio = .6;
3227                 break;
3228         default:
3229                 return (1);
3230         }
3231         return (0);
3232 }
3233
3234 int
3235 setconfmodkey(char *selector, char *value, int flags)
3236 {
3237         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3238                 update_modkey(Mod1Mask);
3239         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3240                 update_modkey(Mod2Mask);
3241         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3242                 update_modkey(Mod3Mask);
3243         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3244                 update_modkey(Mod4Mask);
3245         else
3246                 return (1);
3247         return (0);
3248 }
3249
3250 int
3251 setconfcolor(char *selector, char *value, int flags)
3252 {
3253         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3254         return (0);
3255 }
3256
3257 int
3258 setconfregion(char *selector, char *value, int flags)
3259 {
3260         custom_region(value);
3261         return (0);
3262 }
3263
3264 /* config options */
3265 struct config_option {
3266         char                    *optname;
3267         int (*func)(char*, char*, int);
3268         int funcflags;
3269 };
3270 struct config_option configopt[] = {
3271         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3272         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3273         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3274         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3275         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3276         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3277         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3278         { "bind",                       setconfbinding, 0 },
3279         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3280         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3281         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3282         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3283         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3284         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3285         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3286         { "modkey",                     setconfmodkey,  0 },
3287         { "program",                    setconfspawn,   0 },
3288         { "quirk",                      setconfquirk,   0 },
3289         { "region",                     setconfregion,  0 },
3290         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3291         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3292         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3293         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3294         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3295         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3296 };
3297
3298
3299 int
3300 conf_load(char *filename)
3301 {
3302         FILE                    *config;
3303         char                    *line, *cp, *optsub, *optval;
3304         size_t                  linelen, lineno = 0;
3305         int                     wordlen, i, optind;
3306         struct config_option    *opt;
3307
3308         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3309
3310         if (filename == NULL) {
3311                 fprintf(stderr, "conf_load: no filename\n");
3312                 return (1);
3313         }
3314         if ((config = fopen(filename, "r")) == NULL) {
3315                 warn("conf_load: fopen");
3316                 return (1);
3317         }
3318
3319         while (!feof(config)) {
3320                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3321                     == NULL) {
3322                         if (ferror(config))
3323                                 err(1, "%s", filename);
3324                         else
3325                                 continue;
3326                 }
3327                 cp = line;
3328                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3329                 if (cp[0] == '\0') {
3330                         /* empty line */
3331                         free(line);
3332                         continue;
3333                 }
3334                 /* get config option */
3335                 wordlen = strcspn(cp, "=[ \t\n");
3336                 if (wordlen == 0) {
3337                         warnx("%s: line %zd: no option found",
3338                             filename, lineno);
3339                         return (1);
3340                 }
3341                 optind = -1;
3342                 for (i = 0; i < LENGTH(configopt); i++) {
3343                         opt = &configopt[i];
3344                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3345                             strlen(opt->optname) == wordlen) {
3346                                 optind = i;
3347                                 break;
3348                         }
3349                 }
3350                 if (optind == -1) {
3351                         warnx("%s: line %zd: unknown option %.*s",
3352                             filename, lineno, wordlen, cp);
3353                         return (1);
3354                 }
3355                 cp += wordlen;
3356                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3357                 /* get [selector] if any */
3358                 optsub = NULL;
3359                 if (*cp == '[') {
3360                         cp++;
3361                         wordlen = strcspn(cp, "]");
3362                         if (*cp != ']') {
3363                                 if (wordlen == 0) {
3364                                         warnx("%s: line %zd: syntax error",
3365                                             filename, lineno);
3366                                         return (1);
3367                                 }
3368                                 asprintf(&optsub, "%.*s", wordlen, cp);
3369                         }
3370                         cp += wordlen;
3371                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3372                 }
3373                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3374                 /* get RHS value */
3375                 optval = strdup(cp);
3376                 /* call function to deal with it all */
3377                 if (configopt[optind].func(optsub, optval,
3378                     configopt[optind].funcflags) != 0) {
3379                         fprintf(stderr, "%s line %zd: %s\n",
3380                             filename, lineno, line);
3381                         errx(1, "%s: line %zd: invalid data for %s",
3382                             filename, lineno, configopt[optind].optname);
3383                 }
3384                 free(optval);
3385                 free(optsub);
3386                 free(line);
3387         }
3388
3389         fclose(config);
3390         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3391
3392         return (0);
3393 }
3394
3395 struct ws_win *
3396 manage_window(Window id)
3397 {
3398         Window                  trans = 0;
3399         struct workspace        *ws;
3400         struct ws_win           *win, *ww, *parent;
3401         int                     format, i, ws_idx, n, border_me = 0;
3402         unsigned long           nitems, bytes;
3403         Atom                    ws_idx_atom = 0, type;
3404         Atom                    *prot = NULL, *pp;
3405         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3406         struct swm_region       *r;
3407         long                    mask;
3408         const char              *errstr;
3409         XWindowChanges          wc;
3410
3411         if ((win = find_window(id)) != NULL)
3412                 return (win);   /* already being managed */
3413
3414         /* see if we are on the unmanaged list */
3415         if ((win = find_unmanaged_window(id)) != NULL) {
3416                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3417                     "%lu\n", win->id);
3418                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3419                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3420                 return (win);
3421         }
3422
3423         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3424                 errx(1, "calloc: failed to allocate memory for new window");
3425
3426         /* Get all the window data in one shot */
3427         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3428         if (ws_idx_atom)
3429                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3430                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3431         XGetWindowAttributes(display, id, &win->wa);
3432         XGetWMNormalHints(display, id, &win->sh, &mask);
3433         XGetTransientForHint(display, id, &trans);
3434         if (trans) {
3435                 win->transient = trans;
3436                 parent = find_window(win->transient);
3437                 if (parent)
3438                         parent->child_trans = win;
3439                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3440                     (unsigned)win->id, win->transient);
3441         }
3442         /* get supported protocols */
3443         if (XGetWMProtocols(display, id, &prot, &n)) {
3444                 for (i = 0, pp = prot; i < n; i++, pp++) {
3445                         if (*pp == takefocus)
3446                                 win->take_focus = 1;
3447                         if (*pp == adelete)
3448                                 win->can_delete = 1;
3449                 }
3450                 if (prot)
3451                         XFree(prot);
3452         }
3453
3454         /*
3455          * Figure out where to put the window. If it was previously assigned to
3456          * a workspace (either by spawn() or manually moving), and isn't
3457          * transient, * put it in the same workspace
3458          */
3459         r = root_to_region(win->wa.root);
3460         if (prop && win->transient == 0) {
3461                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3462                 ws_idx = strtonum(prop, 0, 9, &errstr);
3463                 if (errstr) {
3464                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3465                             errstr, prop);
3466                 }
3467                 ws = &r->s->ws[ws_idx];
3468         } else {
3469                 ws = r->ws;
3470                 /* this should launch transients in the same ws as parent */
3471                 if (id && trans)
3472                         if ((ww = find_window(trans)) != NULL)
3473                                 if (ws->r) {
3474                                         ws = ww->ws;
3475                                         if (ww->ws->r)
3476                                                 r = ww->ws->r;
3477                                         else
3478                                                 fprintf(stderr,
3479                                                     "fix this bug mcbride\n");
3480                                         border_me = 1;
3481                                 }
3482         }
3483
3484         /* set up the window layout */
3485         win->id = id;
3486         win->ws = ws;
3487         win->s = r->s;  /* this never changes */
3488         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3489
3490         win->g.w = win->wa.width;
3491         win->g.h = win->wa.height;
3492         win->g.x = win->wa.x;
3493         win->g.y = win->wa.y;
3494
3495         /* Set window properties so we can remember this after reincarnation */
3496         if (ws_idx_atom && prop == NULL &&
3497             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3498                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3499                     ws_idx_str);
3500                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3501                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3502         }
3503         XFree(prop);
3504
3505         if (XGetClassHint(display, win->id, &win->ch)) {
3506                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3507                     win->ch.res_class, win->ch.res_name);
3508
3509                 /* java is retarded so treat it special */
3510                 if (strstr(win->ch.res_name, "sun-awt"))
3511                         win->java = 1;
3512
3513                 for (i = 0; i < quirks_length; i++){
3514                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3515                             !strcmp(win->ch.res_name, quirks[i].name)) {
3516                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3517                                     win->ch.res_class, win->ch.res_name);
3518                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
3519                                         win->floating = 1;
3520                                         border_me = 1;
3521                                 }
3522                                 win->quirks = quirks[i].quirk;
3523                         }
3524                 }
3525         }
3526
3527         /* alter window position if quirky */
3528         if (win->quirks & SWM_Q_ANYWHERE) {
3529                 win->manual = 1; /* don't center the quirky windows */
3530                 bzero(&wc, sizeof wc);
3531                 mask = 0;
3532                 if (win->g.y < bar_height) {
3533                         win->g.y = wc.y = bar_height;
3534                         mask |= CWY;
3535                 }
3536                 if (win->g.w + win->g.x > WIDTH(r)) {
3537                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3538                         mask |= CWX;
3539                 }
3540                 border_me = 1;
3541         }
3542
3543         /* Reset font sizes (the bruteforce way; no default keybinding). */
3544         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3545                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3546                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3547                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3548                         fake_keypress(win, XK_KP_Add, ShiftMask);
3549         }
3550
3551         /* border me */
3552         if (border_me) {
3553                 bzero(&wc, sizeof wc);
3554                 wc.border_width = 1;
3555                 mask = CWBorderWidth;
3556                 XConfigureWindow(display, win->id, mask, &wc);
3557                 configreq_win(win);
3558         }
3559
3560         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3561             PropertyChangeMask | StructureNotifyMask);
3562
3563         set_win_state(win, NormalState);
3564
3565         /* floaters need to be mapped if they are in the current workspace */
3566         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3567                 XMapRaised(display, win->id);
3568
3569         return (win);
3570 }
3571
3572 void
3573 free_window(struct ws_win *win)
3574 {
3575         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3576
3577         if (win == NULL)
3578                 return;
3579
3580         /* needed for restart wm */
3581         set_win_state(win, WithdrawnState);
3582
3583         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3584
3585         if (win->ch.res_class)
3586                 XFree(win->ch.res_class);
3587         if (win->ch.res_name)
3588                 XFree(win->ch.res_name);
3589         free(win);
3590 }
3591
3592 void
3593 unmanage_window(struct ws_win *win)
3594 {
3595         struct ws_win           *parent;
3596
3597         if (win == NULL)
3598                 return;
3599
3600         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3601
3602         if (win->transient) {
3603                 parent = find_window(win->transient);
3604                 if (parent)
3605                         parent->child_trans = NULL;
3606         }
3607
3608         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3609         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3610 }
3611
3612 void
3613 focus_magic(struct ws_win *win)
3614 {
3615         if (win->child_trans) {
3616                 /* win = parent & has a transient so focus on that */
3617                 if (win->java) {
3618                         focus_win(win->child_trans);
3619                         if (win->child_trans->take_focus)
3620                                 client_msg(win, takefocus);
3621                 } else {
3622                         focus_win(win->child_trans);
3623                         if (win->child_trans->take_focus)
3624                                 client_msg(win->child_trans, takefocus);
3625                 }
3626         } else {
3627                 /* regular focus */
3628                 focus_win(win);
3629                 if (win->take_focus)
3630                         client_msg(win, takefocus);
3631         }
3632 }
3633
3634 Bool
3635 destroy_notify_cb(Display *d, XEvent *e, char *arg)
3636 {
3637         struct ws_win           *win = (struct ws_win *)arg;
3638         if (win && win->id == e->xany.window && e->xany.type == DestroyNotify)
3639                         return (True);
3640         return (False);
3641 }
3642
3643 void
3644 expose(XEvent *e)
3645 {
3646         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3647 }
3648
3649 void
3650 keypress(XEvent *e)
3651 {
3652         unsigned int            i;
3653         KeySym                  keysym;
3654         XKeyEvent               *ev = &e->xkey;
3655
3656         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3657
3658         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3659         for (i = 0; i < keys_length; i++)
3660                 if (keysym == keys[i].keysym
3661                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3662                    && keyfuncs[keys[i].funcid].func) {
3663                         if (keys[i].funcid == kf_spawn_custom)
3664                                 spawn_custom(
3665                                     root_to_region(ev->root),
3666                                     &(keyfuncs[keys[i].funcid].args),
3667                                     keys[i].spawn_name
3668                                     );
3669                         else
3670                                 keyfuncs[keys[i].funcid].func(
3671                                     root_to_region(ev->root),
3672                                     &(keyfuncs[keys[i].funcid].args)
3673                                     );
3674                 }
3675 }
3676
3677 void
3678 buttonpress(XEvent *e)
3679 {
3680         XButtonPressedEvent     *ev = &e->xbutton;
3681
3682         struct ws_win           *win;
3683         int                     i, action;
3684
3685         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3686
3687         action = root_click;
3688         if ((win = find_window(ev->window)) == NULL)
3689                 return;
3690
3691         focus_magic(win);
3692         action = client_click;
3693
3694         for (i = 0; i < LENGTH(buttons); i++)
3695                 if (action == buttons[i].action && buttons[i].func &&
3696                     buttons[i].button == ev->button &&
3697                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3698                         buttons[i].func(win, &buttons[i].args);
3699 }
3700
3701 void
3702 configurerequest(XEvent *e)
3703 {
3704         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3705         struct ws_win           *win;
3706         int                     new = 0;
3707         XWindowChanges          wc;
3708
3709         if ((win = find_window(ev->window)) == NULL)
3710                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3711                         new = 1;
3712
3713         if (new) {
3714                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3715                     ev->window);
3716                 bzero(&wc, sizeof wc);
3717                 wc.x = ev->x;
3718                 wc.y = ev->y;
3719                 wc.width = ev->width;
3720                 wc.height = ev->height;
3721                 wc.border_width = ev->border_width;
3722                 wc.sibling = ev->above;
3723                 wc.stack_mode = ev->detail;
3724                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3725         } else {
3726                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3727                     ev->window);
3728                 if (win->floating) {
3729                         if (ev->value_mask & CWX)
3730                                 win->g.x = ev->x;
3731                         if (ev->value_mask & CWY)
3732                                 win->g.y = ev->y;
3733                         if (ev->value_mask & CWWidth)
3734                                 win->g.w = ev->width;
3735                         if (ev->value_mask & CWHeight)
3736                                 win->g.h = ev->height;
3737                 }
3738                 config_win(win);
3739         }
3740 }
3741
3742 void
3743 configurenotify(XEvent *e)
3744 {
3745         struct ws_win           *win;
3746         long                    mask;
3747
3748         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3749             e->xconfigure.window);
3750
3751         win = find_window(e->xconfigure.window);
3752         if (win) {
3753                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3754                 adjust_font(win);
3755                 if (font_adjusted)
3756                         stack();
3757         }
3758 }
3759
3760 void
3761 destroynotify(XEvent *e)
3762 {
3763         struct ws_win           *win, *w, *wn, *winfocus = NULL;
3764         struct workspace        *ws;
3765         struct ws_win_list      *wl;
3766         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3767
3768         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3769
3770         if ((win = find_window(ev->window)) == NULL) {
3771                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3772                         return;
3773                 free_window(win);
3774                 return;
3775         }
3776
3777         /* find a window to focus */
3778         ws = win->ws;
3779         wl = &ws->winlist;
3780
3781         for (w = TAILQ_FIRST(&ws->winlist); w != TAILQ_END(&ws->winlist);
3782             w = wn) {
3783                 wn = TAILQ_NEXT(w, entry);
3784                 if (win == w)
3785                         continue; /* can't happen but oh well */
3786
3787                 if (getstate(w->id) != -1)
3788                         continue;
3789                 unmanage_window(w);
3790         }
3791         /* if we are transient give focus to parent */
3792         if (win->transient)
3793                 winfocus = find_window(win->transient);
3794         else if (ws->focus == win) {
3795                 /* if in max_stack try harder */
3796                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3797                         if (win != ws->focus_prev)
3798                                 winfocus = ws->focus_prev;
3799                         else if (win != ws->focus)
3800                                 winfocus = ws->focus;
3801                 }
3802
3803                 /* fallback and normal handling */
3804                 if (winfocus == NULL) {
3805                         if (TAILQ_FIRST(wl) == win)
3806                                 winfocus = TAILQ_NEXT(win, entry);
3807                         else {
3808                                 winfocus = TAILQ_PREV(ws->focus,
3809                                     ws_win_list, entry);
3810                                 if (winfocus == NULL)
3811                                         winfocus = TAILQ_LAST(wl,
3812                                             ws_win_list);
3813                         }
3814                 }
3815         }
3816         unmanage_window(win);
3817         free_window(win);
3818
3819         ignore_enter = 1;
3820         stack();
3821         if (winfocus)
3822                 focus_win(winfocus);
3823         ignore_enter = 0;
3824 }
3825
3826 void
3827 enternotify(XEvent *e)
3828 {
3829         XCrossingEvent          *ev = &e->xcrossing;
3830         struct ws_win           *win;
3831
3832         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3833
3834         if (ignore_enter) {
3835                 /* eat event(r) to prevent autofocus */
3836                 ignore_enter = 0;
3837                 return;
3838         }
3839         /*
3840          * happens when a window is created or destroyed and the border
3841          * crosses the mouse pointer
3842          */
3843         if (QLength(display))
3844                 return;
3845
3846         if ((win = find_window(ev->window)) == NULL)
3847                 return;
3848
3849         focus_magic(win);
3850 }
3851
3852 void
3853 focusin(XEvent *e)
3854 {
3855         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3856 }
3857
3858 void
3859 focusout(XEvent *e)
3860 {
3861         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3862 }
3863
3864 void
3865 mapnotify(XEvent *e)
3866 {
3867         struct ws_win           *win;
3868         XMapEvent               *ev = &e->xmap;
3869
3870         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3871
3872         win = manage_window(ev->window);
3873         if (win)
3874                 set_win_state(win, NormalState);
3875 }
3876
3877 void
3878 mappingnotify(XEvent *e)
3879 {
3880         XMappingEvent           *ev = &e->xmapping;
3881
3882         XRefreshKeyboardMapping(ev);
3883         if (ev->request == MappingKeyboard)
3884                 grabkeys();
3885 }
3886
3887 void
3888 maprequest(XEvent *e)
3889 {
3890         struct ws_win           *win;
3891         struct swm_region       *r;
3892
3893         XMapRequestEvent        *ev = &e->xmaprequest;
3894         XWindowAttributes       wa;
3895
3896         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3897             e->xmaprequest.window);
3898
3899         if (!XGetWindowAttributes(display, ev->window, &wa))
3900                 return;
3901         if (wa.override_redirect)
3902                 return;
3903
3904         win = manage_window(e->xmaprequest.window);
3905         if (win == NULL)
3906                 return; /* can't happen */
3907
3908         ignore_enter = 1;
3909         stack();
3910         ignore_enter = 0;
3911
3912         /* make new win focused */
3913         r = root_to_region(win->wa.root);
3914         if (win->ws == r->ws)
3915                 focus_win(win);
3916 }
3917
3918 void
3919 propertynotify(XEvent *e)
3920 {
3921         struct ws_win           *win;
3922         XPropertyEvent          *ev = &e->xproperty;
3923
3924         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3925             ev->window);
3926
3927         if (ev->state == PropertyDelete)
3928                 return; /* ignore */
3929         win = find_window(ev->window);
3930         if (win == NULL)
3931                 return;
3932
3933         switch (ev->atom) {
3934         case XA_WM_NORMAL_HINTS:
3935 #if 0
3936                 long            mask;
3937                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3938                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3939                 if (win->sh.flags & PMinSize) {
3940                         win->g.w = win->sh.min_width;
3941                         win->g.h = win->sh.min_height;
3942                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3943                 }
3944                 XMoveResizeWindow(display, win->id,
3945                     win->g.x, win->g.y, win->g.w, win->g.h);
3946 #endif
3947                 break;
3948         default:
3949                 break;
3950         }
3951 }
3952
3953 void
3954 unmapnotify(XEvent *e)
3955 {
3956         struct ws_win           *win, *winfocus = NULL;
3957         struct workspace        *ws;
3958
3959         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3960
3961         /* determine if we need to help unmanage this window */
3962         win = find_window(e->xunmap.window);
3963         if (win == NULL)
3964                 return;
3965
3966         /* java can not deal with this heuristic */
3967         if (win->java)
3968                 return;
3969
3970         if (getstate(e->xunmap.window) == NormalState) {
3971                 /*
3972                  * this window does not have a destroy event but but it is no
3973                  * longer visible due to the app unmapping it so unmanage it
3974                  */
3975                 ws = win->ws;
3976                 /* if we are max_stack try harder to focus on something */
3977                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3978                         if (win->transient)
3979                                 winfocus = find_window(win->transient);
3980                         else if (win != ws->focus_prev)
3981                                 winfocus = ws->focus_prev;
3982                         else if (win != ws->focus)
3983                                 winfocus = ws->focus;
3984                 }
3985
3986                 /* normal and fallback if haven't found anything to focus on */
3987                 if (winfocus == NULL) {
3988                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3989                         if (TAILQ_FIRST(&ws->winlist) == win)
3990                                 winfocus = TAILQ_NEXT(win, entry);
3991                         else {
3992                                 if (ws->focus)
3993                                         winfocus = TAILQ_PREV(ws->focus,
3994                                             ws_win_list, entry);
3995                                 if (winfocus == NULL)
3996                                         winfocus = TAILQ_LAST(&ws->winlist,
3997                                             ws_win_list);
3998                         }
3999                 }
4000
4001                 /* trash window and refocus */
4002                 unmanage_window(win);
4003                 ignore_enter = 1;
4004                 stack();
4005                 focus_win(winfocus);
4006                 ignore_enter = 0;
4007         }
4008 }
4009
4010 void
4011 visibilitynotify(XEvent *e)
4012 {
4013         int                     i;
4014         struct swm_region       *r;
4015
4016         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4017             e->xvisibility.window);
4018         if (e->xvisibility.state == VisibilityUnobscured)
4019                 for (i = 0; i < ScreenCount(display); i++)
4020                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4021                                 if (e->xvisibility.window == r->bar_window)
4022                                         bar_update();
4023 }
4024
4025 int
4026 xerror_start(Display *d, XErrorEvent *ee)
4027 {
4028         other_wm = 1;
4029         return (-1);
4030 }
4031
4032 int
4033 xerror(Display *d, XErrorEvent *ee)
4034 {
4035         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4036         return (-1);
4037 }
4038
4039 int
4040 active_wm(void)
4041 {
4042         other_wm = 0;
4043         xerrorxlib = XSetErrorHandler(xerror_start);
4044
4045         /* this causes an error if some other window manager is running */
4046         XSelectInput(display, DefaultRootWindow(display),
4047             SubstructureRedirectMask);
4048         XSync(display, False);
4049         if (other_wm)
4050                 return (1);
4051
4052         XSetErrorHandler(xerror);
4053         XSync(display, False);
4054         return (0);
4055 }
4056
4057 void
4058 new_region(struct swm_screen *s, int x, int y, int w, int h)
4059 {
4060         struct swm_region       *r, *n;
4061         struct workspace        *ws = NULL;
4062         int                     i;
4063
4064         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4065              s->idx, w, h, x, y);
4066
4067         /* remove any conflicting regions */
4068         n = TAILQ_FIRST(&s->rl);
4069         while (n) {
4070                 r = n;
4071                 n = TAILQ_NEXT(r, entry);
4072                 if (X(r) < (x + w) &&
4073                     (X(r) + WIDTH(r)) > x &&
4074                     Y(r) < (y + h) &&
4075                     (Y(r) + HEIGHT(r)) > y) {
4076                         XDestroyWindow(display, r->bar_window);
4077                         TAILQ_REMOVE(&s->rl, r, entry);
4078                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4079                 }
4080         }
4081
4082         /* search old regions for one to reuse */
4083
4084         /* size + location match */
4085         TAILQ_FOREACH(r, &s->orl, entry)
4086                 if (X(r) == x && Y(r) == y &&
4087                     HEIGHT(r) == h && WIDTH(r) == w)
4088                         break;
4089
4090         /* size match */
4091         TAILQ_FOREACH(r, &s->orl, entry)
4092                 if (HEIGHT(r) == h && WIDTH(r) == w)
4093                         break;
4094
4095         if (r != NULL) {
4096                 TAILQ_REMOVE(&s->orl, r, entry);
4097                 /* try to use old region's workspace */
4098                 if (r->ws->r == NULL)
4099                         ws = r->ws;
4100         } else
4101                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4102                         errx(1, "calloc: failed to allocate memory for screen");
4103
4104         /* if we don't have a workspace already, find one */
4105         if (ws == NULL) {
4106                 for (i = 0; i < SWM_WS_MAX; i++)
4107                         if (s->ws[i].r == NULL) {
4108                                 ws = &s->ws[i];
4109                                 break;
4110                         }
4111         }
4112
4113         if (ws == NULL)
4114                 errx(1, "no free workspaces\n");
4115
4116         X(r) = x;
4117         Y(r) = y;
4118         WIDTH(r) = w;
4119         HEIGHT(r) = h;
4120         r->s = s;
4121         r->ws = ws;
4122         ws->r = r;
4123         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4124 }
4125
4126 void
4127 scan_xrandr(int i)
4128 {
4129 #ifdef SWM_XRR_HAS_CRTC
4130         XRRCrtcInfo             *ci;
4131         XRRScreenResources      *sr;
4132         int                     c;
4133         int                     ncrtc = 0;
4134 #endif /* SWM_XRR_HAS_CRTC */
4135         struct swm_region       *r;
4136
4137
4138         if (i >= ScreenCount(display))
4139                 errx(1, "invalid screen");
4140
4141         /* remove any old regions */
4142         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4143                 r->ws->old_r = r->ws->r = NULL;
4144                 XDestroyWindow(display, r->bar_window);
4145                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4146                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4147         }
4148
4149         /* map virtual screens onto physical screens */
4150 #ifdef SWM_XRR_HAS_CRTC
4151         outputs = 0;
4152         if (xrandr_support) {
4153                 sr = XRRGetScreenResources(display, screens[i].root);
4154                 if (sr == NULL)
4155                         new_region(&screens[i], 0, 0,
4156                             DisplayWidth(display, i),
4157                             DisplayHeight(display, i));
4158                 else
4159                         ncrtc = sr->ncrtc;
4160
4161                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4162                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4163                         if (ci->noutput == 0)
4164                                 continue;
4165                         outputs++;
4166
4167                         if (ci != NULL && ci->mode == None)
4168                                 new_region(&screens[i], 0, 0,
4169                                     DisplayWidth(display, i),
4170                                     DisplayHeight(display, i));
4171                         else
4172                                 new_region(&screens[i],
4173                                     ci->x, ci->y, ci->width, ci->height);
4174                 }
4175                 if (ci)
4176                         XRRFreeCrtcInfo(ci);
4177                 XRRFreeScreenResources(sr);
4178         } else
4179 #endif /* SWM_XRR_HAS_CRTC */
4180         {
4181                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4182                     DisplayHeight(display, i));
4183         }
4184 }
4185
4186 void
4187 screenchange(XEvent *e) {
4188         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4189         struct swm_region               *r;
4190         int                             i;
4191
4192         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4193
4194         if (!XRRUpdateConfiguration(e))
4195                 return;
4196
4197         /* silly event doesn't include the screen index */
4198         for (i = 0; i < ScreenCount(display); i++)
4199                 if (screens[i].root == xe->root)
4200                         break;
4201         if (i >= ScreenCount(display))
4202                 errx(1, "screenchange: screen not found\n");
4203
4204         /* brute force for now, just re-enumerate the regions */
4205         scan_xrandr(i);
4206
4207         /* add bars to all regions */
4208         for (i = 0; i < ScreenCount(display); i++)
4209                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4210                         bar_setup(r);
4211         stack();
4212 }
4213
4214 void
4215 setup_screens(void)
4216 {
4217         Window                  d1, d2, *wins = NULL;
4218         XWindowAttributes       wa;
4219         unsigned int            no;
4220         int                     i, j, k;
4221         int                     errorbase, major, minor;
4222         struct workspace        *ws;
4223         int                     ws_idx_atom;
4224         long                    state, manage;
4225
4226         if ((screens = calloc(ScreenCount(display),
4227              sizeof(struct swm_screen))) == NULL)
4228                 errx(1, "calloc: screens");
4229
4230         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4231
4232         /* initial Xrandr setup */
4233         xrandr_support = XRRQueryExtension(display,
4234             &xrandr_eventbase, &errorbase);
4235         if (xrandr_support)
4236                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4237                         xrandr_support = 0;
4238
4239         /* map physical screens */
4240         for (i = 0; i < ScreenCount(display); i++) {
4241                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4242                 screens[i].idx = i;
4243                 TAILQ_INIT(&screens[i].rl);
4244                 TAILQ_INIT(&screens[i].orl);
4245                 screens[i].root = RootWindow(display, i);
4246
4247                 /* set default colors */
4248                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4249                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4250                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4251                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4252                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4253
4254                 /* init all workspaces */
4255                 /* XXX these should be dynamically allocated too */
4256                 for (j = 0; j < SWM_WS_MAX; j++) {
4257                         ws = &screens[i].ws[j];
4258                         ws->idx = j;
4259                         ws->focus = NULL;
4260                         ws->r = NULL;
4261                         ws->old_r = NULL;
4262                         TAILQ_INIT(&ws->winlist);
4263                         TAILQ_INIT(&ws->unmanagedlist);
4264
4265                         for (k = 0; layouts[k].l_stack != NULL; k++)
4266                                 if (layouts[k].l_config != NULL)
4267                                         layouts[k].l_config(ws,
4268                                             SWM_ARG_ID_STACKINIT);
4269                         ws->cur_layout = &layouts[0];
4270                 }
4271                 /* grab existing windows (before we build the bars)*/
4272                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4273                         continue;
4274
4275                 scan_xrandr(i);
4276
4277                 if (xrandr_support)
4278                         XRRSelectInput(display, screens[i].root,
4279                             RRScreenChangeNotifyMask);
4280
4281                 /* attach windows to a region */
4282                 /* normal windows */
4283                 for (j = 0; j < no; j++) {
4284                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4285                             wa.override_redirect ||
4286                             XGetTransientForHint(display, wins[j], &d1))
4287                                 continue;
4288
4289                         state = getstate(wins[j]);
4290                         manage = state == IconicState;
4291                         if (wa.map_state == IsViewable || manage)
4292                                 manage_window(wins[j]);
4293                 }
4294                 /* transient windows */
4295                 for (j = 0; j < no; j++) {
4296                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4297                             wa.override_redirect)
4298                                 continue;
4299
4300                         state = getstate(wins[j]);
4301                         manage = state == IconicState;
4302                         if (XGetTransientForHint(display, wins[j], &d1) &&
4303                             manage)
4304                                 manage_window(wins[j]);
4305                 }
4306                 if (wins) {
4307                         XFree(wins);
4308                         wins = NULL;
4309                 }
4310         }
4311 }
4312
4313 void
4314 setup_globals(void)
4315 {
4316         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4317             == NULL)
4318                 err(1, "setup_globals: strdup");
4319         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4320             == NULL)
4321                 err(1, "setup_globals: strdup");
4322         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4323             == NULL)
4324                 err(1, "setup_globals: strdup");
4325         if ((spawn_term[0] = strdup("xterm")) == NULL)
4326                 err(1, "setup_globals: strdup");
4327 }
4328
4329 void
4330 workaround(void)
4331 {
4332         int                     i;
4333         Atom                    netwmcheck, netwmname, utf8_string;
4334         Window                  root;
4335
4336         /* work around sun jdk bugs, code from wmname */
4337         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4338         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4339         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4340         for (i = 0; i < ScreenCount(display); i++) {
4341                 root = screens[i].root;
4342                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4343                     PropModeReplace, (unsigned char *)&root, 1);
4344                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4345                     PropModeReplace, "LG3D", strlen("LG3D"));
4346         }
4347 }
4348
4349 int
4350 main(int argc, char *argv[])
4351 {
4352         struct passwd           *pwd;
4353         struct swm_region       *r, *rr;
4354         struct ws_win           *winfocus = NULL;
4355         struct timeval          tv;
4356         char                    conf[PATH_MAX], *cfile = NULL;
4357         struct stat             sb;
4358         XEvent                  e;
4359         int                     xfd, i;
4360         fd_set                  rd;
4361
4362 swm_debug = 0;
4363         start_argv = argv;
4364         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4365             SWM_VERSION, cvstag);
4366         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4367                 warnx("no locale support");
4368
4369         if (!(display = XOpenDisplay(0)))
4370                 errx(1, "can not open display");
4371
4372         if (active_wm())
4373                 errx(1, "other wm running");
4374
4375         /* handle some signale */
4376         installsignal(SIGINT, "INT");
4377         installsignal(SIGHUP, "HUP");
4378         installsignal(SIGQUIT, "QUIT");
4379         installsignal(SIGTERM, "TERM");
4380         installsignal(SIGCHLD, "CHLD");
4381
4382         astate = XInternAtom(display, "WM_STATE", False);
4383         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4384         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4385         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4386
4387         /* look for local and global conf file */
4388         pwd = getpwuid(getuid());
4389         if (pwd == NULL)
4390                 errx(1, "invalid user %d", getuid());
4391
4392         setup_screens();
4393         setup_globals();
4394         setup_keys();
4395         setup_quirks();
4396         setup_spawn();
4397
4398         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4399         if (stat(conf, &sb) != -1) {
4400                 if (S_ISREG(sb.st_mode))
4401                         cfile = conf;
4402         } else {
4403                 /* try global conf file */
4404                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4405                 if (!stat(conf, &sb))
4406                         if (S_ISREG(sb.st_mode))
4407                                 cfile = conf;
4408         }
4409         if (cfile)
4410                 conf_load(cfile);
4411
4412         /* setup all bars */
4413         for (i = 0; i < ScreenCount(display); i++)
4414                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4415                         if (winfocus == NULL)
4416                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4417                         bar_setup(r);
4418                 }
4419
4420         /* set some values to work around bad programs */
4421         workaround();
4422
4423         grabkeys();
4424         stack();
4425
4426         xfd = ConnectionNumber(display);
4427         while (running) {
4428                 while (XPending(display)) {
4429                         XNextEvent(display, &e);
4430                         if (running == 0)
4431                                 goto done;
4432                         if (e.type < LASTEvent) {
4433                                 dumpevent(&e);
4434                                 if (handler[e.type])
4435                                         handler[e.type](&e);
4436                                 else
4437                                         DNPRINTF(SWM_D_EVENT,
4438                                             "win: %lu unknown event: %d\n",
4439                                             e.xany.window, e.type);
4440                         } else {
4441                                 switch (e.type - xrandr_eventbase) {
4442                                 case RRScreenChangeNotify:
4443                                         screenchange(&e);
4444                                         break;
4445                                 default:
4446                                         DNPRINTF(SWM_D_EVENT,
4447                                             "win: %lu unknown xrandr event: "
4448                                             "%d\n", e.xany.window, e.type);
4449                                         break;
4450                                 }
4451                         }
4452                 }
4453
4454                 /* if we are being restarted go focus on first window */
4455                 if (winfocus) {
4456                         rr = TAILQ_FIRST(&screens[0].rl);
4457                         /* move pointer to first screen if multi screen */
4458                         if (ScreenCount(display) > 1 || outputs > 1)
4459                                 XWarpPointer(display, None, rr->s[0].root,
4460                                     0, 0, 0, 0, rr->g.x,
4461                                     rr->g.y + bar_enabled ? bar_height : 0);
4462
4463                         focus_win(winfocus);
4464                         winfocus = NULL;
4465                         continue;
4466                 }
4467
4468                 FD_ZERO(&rd);
4469                 FD_SET(xfd, &rd);
4470                 tv.tv_sec = 1;
4471                 tv.tv_usec = 0;
4472                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4473                         if (errno != EINTR)
4474                                 DNPRINTF(SWM_D_MISC, "select failed");
4475                 if (running == 0)
4476                         goto done;
4477                 if (bar_alarm) {
4478                         bar_alarm = 0;
4479                         bar_update();
4480                 }
4481         }
4482 done:
4483         bar_extra_stop();
4484
4485         XCloseDisplay(display);
4486
4487         return (0);
4488 }