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     "0.9.11"
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <ctype.h>
  70
  71 #include <sys/types.h>
  72 #include <sys/time.h>
  73 #include <sys/stat.h>
  74 #include <sys/wait.h>
  75 #include <sys/queue.h>
  76 #include <sys/param.h>
  77 #include <sys/select.h>
  78
  79 #include <X11/cursorfont.h>
  80 #include <X11/keysym.h>
  81 #include <X11/Xatom.h>
  82 #include <X11/Xlib.h>
  83 #include <X11/Xproto.h>
  84 #include <X11/Xutil.h>
  85 #include <X11/extensions/Xrandr.h>
  86
  87 #if RANDR_MAJOR < 1
  88 #  error XRandR versions less than 1.0 are not supported
  89 #endif
  90
  91 #if RANDR_MAJOR >= 1
  92 #if RANDR_MINOR >= 2
  93 #define SWM_XRR_HAS_CRTC
  94 #endif
  95 #endif
  96
  97 /* #define SWM_DEBUG */
  98 #ifdef SWM_DEBUG
  99 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 100 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 101 #define SWM_D_MISC              0x0001
 102 #define SWM_D_EVENT             0x0002
 103 #define SWM_D_WS                0x0004
 104 #define SWM_D_FOCUS             0x0008
 105 #define SWM_D_MOVE              0x0010
 106 #define SWM_D_STACK             0x0020
 107 #define SWM_D_MOUSE             0x0040
 108 #define SWM_D_PROP              0x0080
 109 #define SWM_D_CLASS             0x0100
 110 #define SWM_D_KEY               0x0200
 111 #define SWM_D_QUIRK             0x0400
 112 #define SWM_D_SPAWN             0x0800
 113 #define SWM_D_EVENTQ            0x1000
 114 #define SWM_D_CONF              0x2000
 115
 116 u_int32_t               swm_debug = 0
 117                             | SWM_D_MISC
 118                             | SWM_D_EVENT
 119                             | SWM_D_WS
 120                             | SWM_D_FOCUS
 121                             | SWM_D_MOVE
 122                             | SWM_D_STACK
 123                             | SWM_D_MOUSE
 124                             | SWM_D_PROP
 125                             | SWM_D_CLASS
 126                             | SWM_D_KEY
 127                             | SWM_D_QUIRK
 128                             | SWM_D_SPAWN
 129                             | SWM_D_EVENTQ
 130                             | SWM_D_CONF
 131                             ;
 132 #else
 133 #define DPRINTF(x...)
 134 #define DNPRINTF(n,x...)
 135 #endif
 136
 137 #define LENGTH(x)               (sizeof x / sizeof x[0])
 138 #define MODKEY                  Mod1Mask
 139 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 140 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 141 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 142 #define SWM_PROPLEN             (16)
 143 #define SWM_FUNCNAME_LEN        (32)
 144 #define SWM_KEYS_LEN            (255)
 145 #define SWM_QUIRK_LEN           (64)
 146 #define X(r)                    (r)->g.x
 147 #define Y(r)                    (r)->g.y
 148 #define WIDTH(r)                (r)->g.w
 149 #define HEIGHT(r)               (r)->g.h
 150 #define SWM_MAX_FONT_STEPS      (3)
 151
 152 #ifndef SWM_LIB
 153 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 154 #endif
 155
 156 char                    **start_argv;
 157 Atom                    astate;
 158 Atom                    aprot;
 159 Atom                    adelete;
 160 Atom                    takefocus;
 161 volatile sig_atomic_t   running = 1;
 162 int                     outputs = 0;
 163 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 164 int                     other_wm;
 165 int                     ss_enabled = 0;
 166 int                     xrandr_support;
 167 int                     xrandr_eventbase;
 168 int                     ignore_enter = 0;
 169 unsigned int            numlockmask = 0;
 170 Display                 *display;
 171
 172 int                     cycle_empty = 0;
 173 int                     cycle_visible = 0;
 174 int                     term_width = 0;
 175 int                     font_adjusted = 0;
 176 unsigned int            mod_key = MODKEY;
 177
 178 /* dialog windows */
 179 double                  dialog_ratio = .6;
 180 /* status bar */
 181 #define SWM_BAR_MAX     (256)
 182 char                    *bar_argv[] = { NULL, NULL };
 183 int                     bar_pipe[2];
 184 char                    bar_ext[SWM_BAR_MAX];
 185 char                    bar_vertext[SWM_BAR_MAX];
 186 int                     bar_version = 0;
 187 sig_atomic_t            bar_alarm = 0;
 188 int                     bar_delay = 30;
 189 int                     bar_enabled = 1;
 190 int                     bar_extra = 1;
 191 int                     bar_extra_running = 0;
 192 int                     bar_verbose = 1;
 193 int                     bar_height = 0;
 194 int                     stack_enabled = 1;
 195 int                     clock_enabled = 1;
 196 int                     title_name_enabled = 0;
 197 int                     title_class_enabled = 0;
 198 pid_t                   bar_pid;
 199 GC                      bar_gc;
 200 XGCValues               bar_gcv;
 201 int                     bar_fidx = 0;
 202 XFontStruct             *bar_fs;
 203 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 204 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 205
 206 #define SWM_MENU_FN     (2)
 207 #define SWM_MENU_NB     (4)
 208 #define SWM_MENU_NF     (6)
 209 #define SWM_MENU_SB     (8)
 210 #define SWM_MENU_SF     (10)
 211
 212 /* layout manager data */
 213 struct swm_geometry {
 214         int                     x;
 215         int                     y;
 216         int                     w;
 217         int                     h;
 218 };
 219
 220 struct swm_screen;
 221 struct workspace;
 222
 223 /* virtual "screens" */
 224 struct swm_region {
 225         TAILQ_ENTRY(swm_region) entry;
 226         struct swm_geometry     g;
 227         struct workspace        *ws;    /* current workspace on this region */
 228         struct swm_screen       *s;     /* screen idx */
 229         Window                  bar_window;
 230 };
 231 TAILQ_HEAD(swm_region_list, swm_region);
 232
 233 struct ws_win {
 234         TAILQ_ENTRY(ws_win)     entry;
 235         Window                  id;
 236         Window                  transient;
 237         struct ws_win           *child_trans;   /* transient child window */
 238         struct swm_geometry     g;
 239         int                     floating;
 240         int                     manual;
 241         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 242         int                     font_steps;
 243         int                     last_inc;
 244         int                     can_delete;
 245         int                     take_focus;
 246         int                     java;
 247         unsigned long           quirks;
 248         struct workspace        *ws;    /* always valid */
 249         struct swm_screen       *s;     /* always valid, never changes */
 250         XWindowAttributes       wa;
 251         XSizeHints              sh;
 252         XClassHint              ch;
 253 };
 254 TAILQ_HEAD(ws_win_list, ws_win);
 255
 256 /* user/key callable function IDs */
 257 enum keyfuncid {
 258         kf_cycle_layout,
 259         kf_stack_reset,
 260         kf_master_shrink,
 261         kf_master_grow,
 262         kf_master_add,
 263         kf_master_del,
 264         kf_stack_inc,
 265         kf_stack_dec,
 266         kf_swap_main,
 267         kf_focus_next,
 268         kf_focus_prev,
 269         kf_swap_next,
 270         kf_swap_prev,
 271         kf_spawn_term,
 272         kf_spawn_menu,
 273         kf_quit,
 274         kf_restart,
 275         kf_focus_main,
 276         kf_ws_1,
 277         kf_ws_2,
 278         kf_ws_3,
 279         kf_ws_4,
 280         kf_ws_5,
 281         kf_ws_6,
 282         kf_ws_7,
 283         kf_ws_8,
 284         kf_ws_9,
 285         kf_ws_10,
 286         kf_ws_next,
 287         kf_ws_prev,
 288         kf_screen_next,
 289         kf_screen_prev,
 290         kf_mvws_1,
 291         kf_mvws_2,
 292         kf_mvws_3,
 293         kf_mvws_4,
 294         kf_mvws_5,
 295         kf_mvws_6,
 296         kf_mvws_7,
 297         kf_mvws_8,
 298         kf_mvws_9,
 299         kf_mvws_10,
 300         kf_bar_toggle,
 301         kf_wind_kill,
 302         kf_wind_del,
 303         kf_screenshot_all,
 304         kf_screenshot_wind,
 305         kf_float_toggle,
 306         kf_version,
 307         kf_spawn_lock,
 308         kf_spawn_initscr,
 309         kf_spawn_custom,
 310         kf_invalid
 311 };
 312
 313 /* layout handlers */
 314 void    stack(void);
 315 void    vertical_config(struct workspace *, int);
 316 void    vertical_stack(struct workspace *, struct swm_geometry *);
 317 void    horizontal_config(struct workspace *, int);
 318 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 319 void    max_stack(struct workspace *, struct swm_geometry *);
 320
 321 void    grabbuttons(struct ws_win *, int);
 322 void    new_region(struct swm_screen *, int, int, int, int);
 323 void    unmanage_window(struct ws_win *);
 324
 325 struct layout {
 326         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 327         void            (*l_config)(struct workspace *, int);
 328         u_int32_t       flags;
 329 #define SWM_L_FOCUSPREV         (1<<0)
 330 #define SWM_L_MAPONFOCUS        (1<<1)
 331         char            *name;
 332 } layouts[] =  {
 333         /* stack,               configure */
 334         { vertical_stack,       vertical_config,        0,      "[|]" },
 335         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 336         { max_stack,            NULL,
 337           SWM_L_FOCUSPREV | SWM_L_MAPONFOCUS,                   "[ ]"},
 338         { NULL,                 NULL,                   0},
 339 };
 340
 341 #define SWM_H_SLICE             (32)
 342 #define SWM_V_SLICE             (32)
 343
 344 /* define work spaces */
 345 struct workspace {
 346         int                     idx;            /* workspace index */
 347         int                     restack;        /* restack on switch */
 348         struct layout           *cur_layout;    /* current layout handlers */
 349         struct ws_win           *focus;         /* may be NULL */
 350         struct ws_win           *focus_prev;    /* may be NULL */
 351         struct swm_region       *r;             /* may be NULL */
 352         struct swm_region       *old_r;         /* may be NULL */
 353         struct ws_win_list      winlist;        /* list of windows in ws */
 354
 355         /* stacker state */
 356         struct {
 357                                 int horizontal_msize;
 358                                 int horizontal_mwin;
 359                                 int horizontal_stacks;
 360                                 int vertical_msize;
 361                                 int vertical_mwin;
 362                                 int vertical_stacks;
 363         } l_state;
 364 };
 365
 366 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 367           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 368
 369 /* physical screen mapping */
 370 #define SWM_WS_MAX              (10)            /* XXX Too small? */
 371 struct swm_screen {
 372         int                     idx;            /* screen index */
 373         struct swm_region_list  rl;     /* list of regions on this screen */
 374         struct swm_region_list  orl;    /* list of old regions */
 375         Window                  root;
 376         struct workspace        ws[SWM_WS_MAX];
 377
 378         /* colors */
 379         struct {
 380                 unsigned long   color;
 381                 char            *name;
 382         } c[SWM_S_COLOR_MAX];
 383 };
 384 struct swm_screen       *screens;
 385 int                     num_screens;
 386
 387 /* args to functions */
 388 union arg {
 389         int                     id;
 390 #define SWM_ARG_ID_FOCUSNEXT    (0)
 391 #define SWM_ARG_ID_FOCUSPREV    (1)
 392 #define SWM_ARG_ID_FOCUSMAIN    (2)
 393 #define SWM_ARG_ID_SWAPNEXT     (3)
 394 #define SWM_ARG_ID_SWAPPREV     (4)
 395 #define SWM_ARG_ID_SWAPMAIN     (5)
 396 #define SWM_ARG_ID_MASTERSHRINK (6)
 397 #define SWM_ARG_ID_MASTERGROW   (7)
 398 #define SWM_ARG_ID_MASTERADD    (8)
 399 #define SWM_ARG_ID_MASTERDEL    (9)
 400 #define SWM_ARG_ID_STACKRESET   (10)
 401 #define SWM_ARG_ID_STACKINIT    (11)
 402 #define SWM_ARG_ID_CYCLEWS_UP   (12)
 403 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
 404 #define SWM_ARG_ID_CYCLESC_UP   (14)
 405 #define SWM_ARG_ID_CYCLESC_DOWN (15)
 406 #define SWM_ARG_ID_STACKINC     (16)
 407 #define SWM_ARG_ID_STACKDEC     (17)
 408 #define SWM_ARG_ID_SS_ALL       (0)
 409 #define SWM_ARG_ID_SS_WINDOW    (1)
 410 #define SWM_ARG_ID_DONTCENTER   (0)
 411 #define SWM_ARG_ID_CENTER       (1)
 412 #define SWM_ARG_ID_KILLWINDOW   (0)
 413 #define SWM_ARG_ID_DELETEWINDOW (1)
 414         char                    **argv;
 415 };
 416
 417 /* quirks */
 418 struct quirk {
 419         char                    *class;
 420         char                    *name;
 421         unsigned long           quirk;
 422 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 423 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 424 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 425 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 426 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 427 };
 428 int                             quirks_size = 0, quirks_length = 0;
 429 struct quirk                    *quirks = NULL;
 430
 431 /* events */
 432 #ifdef SWM_DEBUG
 433 void
 434 dumpevent(XEvent *e)
 435 {
 436         char                    *name = NULL;
 437
 438         switch (e->type) {
 439         case KeyPress:
 440                 name = "KeyPress";
 441                 break;
 442         case KeyRelease:
 443                 name = "KeyRelease";
 444                 break;
 445         case ButtonPress:
 446                 name = "ButtonPress";
 447                 break;
 448         case ButtonRelease:
 449                 name = "ButtonRelease";
 450                 break;
 451         case MotionNotify:
 452                 name = "MotionNotify";
 453                 break;
 454         case EnterNotify:
 455                 name = "EnterNotify";
 456                 break;
 457         case LeaveNotify:
 458                 name = "LeaveNotify";
 459                 break;
 460         case FocusIn:
 461                 name = "FocusIn";
 462                 break;
 463         case FocusOut:
 464                 name = "FocusOut";
 465                 break;
 466         case KeymapNotify:
 467                 name = "KeymapNotify";
 468                 break;
 469         case Expose:
 470                 name = "Expose";
 471                 break;
 472         case GraphicsExpose:
 473                 name = "GraphicsExpose";
 474                 break;
 475         case NoExpose:
 476                 name = "NoExpose";
 477                 break;
 478         case VisibilityNotify:
 479                 name = "VisibilityNotify";
 480                 break;
 481         case CreateNotify:
 482                 name = "CreateNotify";
 483                 break;
 484         case DestroyNotify:
 485                 name = "DestroyNotify";
 486                 break;
 487         case UnmapNotify:
 488                 name = "UnmapNotify";
 489                 break;
 490         case MapNotify:
 491                 name = "MapNotify";
 492                 break;
 493         case MapRequest:
 494                 name = "MapRequest";
 495                 break;
 496         case ReparentNotify:
 497                 name = "ReparentNotify";
 498                 break;
 499         case ConfigureNotify:
 500                 name = "ConfigureNotify";
 501                 break;
 502         case ConfigureRequest:
 503                 name = "ConfigureRequest";
 504                 break;
 505         case GravityNotify:
 506                 name = "GravityNotify";
 507                 break;
 508         case ResizeRequest:
 509                 name = "ResizeRequest";
 510                 break;
 511         case CirculateNotify:
 512                 name = "CirculateNotify";
 513                 break;
 514         case CirculateRequest:
 515                 name = "CirculateRequest";
 516                 break;
 517         case PropertyNotify:
 518                 name = "PropertyNotify";
 519                 break;
 520         case SelectionClear:
 521                 name = "SelectionClear";
 522                 break;
 523         case SelectionRequest:
 524                 name = "SelectionRequest";
 525                 break;
 526         case SelectionNotify:
 527                 name = "SelectionNotify";
 528                 break;
 529         case ColormapNotify:
 530                 name = "ColormapNotify";
 531                 break;
 532         case ClientMessage:
 533                 name = "ClientMessage";
 534                 break;
 535         case MappingNotify:
 536                 name = "MappingNotify";
 537                 break;
 538         }
 539
 540         if (name)
 541                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 542                     "remaining\n",
 543                     e->xany.window, name, e->type, QLength(display));
 544         else
 545                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 546                     "remaining\n",
 547                     e->xany.window, e->type, QLength(display));
 548 }
 549 #else
 550 #define dumpevent(e)
 551 #endif /* SWM_DEBUG */
 552
 553 void                    expose(XEvent *);
 554 void                    keypress(XEvent *);
 555 void                    buttonpress(XEvent *);
 556 void                    configurerequest(XEvent *);
 557 void                    configurenotify(XEvent *);
 558 void                    destroynotify(XEvent *);
 559 void                    enternotify(XEvent *);
 560 void                    focusin(XEvent *);
 561 void                    focusout(XEvent *);
 562 void                    mapnotify(XEvent *);
 563 void                    mappingnotify(XEvent *);
 564 void                    maprequest(XEvent *);
 565 void                    propertynotify(XEvent *);
 566 void                    unmapnotify(XEvent *);
 567 void                    visibilitynotify(XEvent *);
 568
 569 void                    (*handler[LASTEvent])(XEvent *) = {
 570                                 [Expose] = expose,
 571                                 [KeyPress] = keypress,
 572                                 [ButtonPress] = buttonpress,
 573                                 [ConfigureRequest] = configurerequest,
 574                                 [ConfigureNotify] = configurenotify,
 575                                 [DestroyNotify] = destroynotify,
 576                                 [EnterNotify] = enternotify,
 577                                 [FocusIn] = focusin,
 578                                 [FocusOut] = focusout,
 579                                 [MapNotify] = mapnotify,
 580                                 [MappingNotify] = mappingnotify,
 581                                 [MapRequest] = maprequest,
 582                                 [PropertyNotify] = propertynotify,
 583                                 [UnmapNotify] = unmapnotify,
 584                                 [VisibilityNotify] = visibilitynotify,
 585 };
 586
 587 void
 588 sighdlr(int sig)
 589 {
 590         pid_t                   pid;
 591
 592         switch (sig) {
 593         case SIGCHLD:
 594                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 595                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 596                         if (pid <= 0)
 597                                 break;
 598                 }
 599                 break;
 600         case SIGINT:
 601         case SIGTERM:
 602         case SIGHUP:
 603         case SIGQUIT:
 604                 running = 0;
 605                 break;
 606         }
 607 }
 608
 609 void
 610 installsignal(int sig, char *name)
 611 {
 612         struct sigaction        sa;
 613
 614         sa.sa_handler = sighdlr;
 615         sigemptyset(&sa.sa_mask);
 616         sa.sa_flags = 0;
 617         if (sigaction(sig, &sa, NULL) == -1)
 618                 err(1, "could not install %s handler", name);
 619 }
 620
 621 unsigned long
 622 name_to_color(char *colorname)
 623 {
 624         Colormap                cmap;
 625         Status                  status;
 626         XColor                  screen_def, exact_def;
 627         unsigned long           result = 0;
 628         char                    cname[32] = "#";
 629
 630         cmap = DefaultColormap(display, screens[0].idx);
 631         status = XAllocNamedColor(display, cmap, colorname,
 632             &screen_def, &exact_def);
 633         if (!status) {
 634                 strlcat(cname, colorname + 2, sizeof cname - 1);
 635                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 636                     &exact_def);
 637         }
 638         if (status)
 639                 result = screen_def.pixel;
 640         else
 641                 fprintf(stderr, "color '%s' not found.\n", colorname);
 642
 643         return (result);
 644 }
 645
 646 void
 647 setscreencolor(char *val, int i, int c)
 648 {
 649         if (i > 0 && i <= ScreenCount(display)) {
 650                 screens[i - 1].c[c].color = name_to_color(val);
 651                 free(screens[i - 1].c[c].name);
 652                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 653                         errx(1, "strdup");
 654         } else if (i == -1) {
 655                 for (i = 0; i < ScreenCount(display); i++) {
 656                         screens[i].c[c].color = name_to_color(val);
 657                         free(screens[i].c[c].name);
 658                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 659                                 errx(1, "strdup");
 660                 }
 661         } else
 662                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 663                     i, ScreenCount(display));
 664 }
 665
 666 void
 667 custom_region(char *val)
 668 {
 669         unsigned int                    sidx, x, y, w, h;
 670
 671         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 672                 errx(1, "invalid custom region, "
 673                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 674         if (sidx < 1 || sidx > ScreenCount(display))
 675                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 676                     sidx, ScreenCount(display));
 677         sidx--;
 678
 679         if (w < 1 || h < 1)
 680                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 681
 682         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 683             y < 0 || y > DisplayHeight(display, sidx) ||
 684             w + x > DisplayWidth(display, sidx) ||
 685             h + y > DisplayHeight(display, sidx))
 686                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 687                     "(%ux%u)\n", w, h, x, y,
 688                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 689
 690         new_region(&screens[sidx], x, y, w, h);
 691 }
 692
 693 void
 694 socket_setnonblock(int fd)
 695 {
 696         int                     flags;
 697
 698         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 699                 err(1, "fcntl F_GETFL");
 700         flags |= O_NONBLOCK;
 701         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 702                 err(1, "fcntl F_SETFL");
 703 }
 704
 705 void
 706 bar_print(struct swm_region *r, char *s)
 707 {
 708         XClearWindow(display, r->bar_window);
 709         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 710         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 711             strlen(s));
 712 }
 713
 714 void
 715 bar_extra_stop(void)
 716 {
 717         if (bar_pipe[0]) {
 718                 close(bar_pipe[0]);
 719                 bzero(bar_pipe, sizeof bar_pipe);
 720         }
 721         if (bar_pid) {
 722                 kill(bar_pid, SIGTERM);
 723                 bar_pid = 0;
 724         }
 725         strlcpy(bar_ext, "", sizeof bar_ext);
 726         bar_extra = 0;
 727 }
 728
 729 void
 730 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 731 {
 732         int                     do_class, do_name;
 733         Status                  status;
 734         XClassHint              *xch = NULL;
 735
 736         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 737             cur_focus != NULL) {
 738                 if ((xch = XAllocClassHint()) == NULL)
 739                         goto out;
 740                 status = XGetClassHint(display, cur_focus->id, xch);
 741                 if (status == BadWindow || status == BadAlloc)
 742                         goto out;
 743                 do_class = (title_class_enabled && xch->res_class != NULL);
 744                 do_name = (title_name_enabled && xch->res_name != NULL);
 745                 if (do_class)
 746                         strlcat(s, xch->res_class, sz);
 747                 if (do_class && do_name)
 748                         strlcat(s, ":", sz);
 749                 if (do_name)
 750                         strlcat(s, xch->res_name, sz);
 751                 strlcat(s, "    ", sz);
 752         }
 753 out:
 754         if (xch)
 755                 XFree(xch);
 756 }
 757
 758 void
 759 bar_update(void)
 760 {
 761         time_t                  tmt;
 762         struct tm               tm;
 763         struct swm_region       *r;
 764         int                     i, x;
 765         size_t                  len;
 766         char                    s[SWM_BAR_MAX];
 767         char                    loc[SWM_BAR_MAX];
 768         char                    *b;
 769         char                    *stack = "";
 770
 771         if (bar_enabled == 0)
 772                 return;
 773         if (bar_extra && bar_extra_running) {
 774                 /* ignore short reads; it'll correct itself */
 775                 while ((b = fgetln(stdin, &len)) != NULL)
 776                         if (b && b[len - 1] == '\n') {
 777                                 b[len - 1] = '\0';
 778                                 strlcpy(bar_ext, b, sizeof bar_ext);
 779                         }
 780                 if (b == NULL && errno != EAGAIN) {
 781                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 782                             errno, strerror(errno));
 783                         bar_extra_stop();
 784                 }
 785         } else
 786                 strlcpy(bar_ext, "", sizeof bar_ext);
 787
 788         if (clock_enabled == 0)
 789                 strlcpy(s, "", sizeof s);
 790         else {
 791                 time(&tmt);
 792                 localtime_r(&tmt, &tm);
 793                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 794         }
 795
 796         for (i = 0; i < ScreenCount(display); i++) {
 797                 x = 1;
 798                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 799                         if (r && r->ws)
 800                                 bar_class_name(s, sizeof s, r->ws->focus);
 801
 802                         if (stack_enabled)
 803                                 stack = r->ws->cur_layout->name;
 804
 805                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 806                             x++, r->ws->idx + 1, stack, s, bar_ext,
 807                             bar_vertext);
 808                         bar_print(r, loc);
 809                 }
 810         }
 811         alarm(bar_delay);
 812 }
 813
 814 void
 815 bar_signal(int sig)
 816 {
 817         bar_alarm = 1;
 818 }
 819
 820 void
 821 bar_toggle(struct swm_region *r, union arg *args)
 822 {
 823         struct swm_region       *tmpr;
 824         int                     i, j, sc = ScreenCount(display);
 825
 826         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 827
 828         if (bar_enabled)
 829                 for (i = 0; i < sc; i++)
 830                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 831                                 XUnmapWindow(display, tmpr->bar_window);
 832         else
 833                 for (i = 0; i < sc; i++)
 834                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 835                                 XMapRaised(display, tmpr->bar_window);
 836
 837         bar_enabled = !bar_enabled;
 838         for (i = 0; i < sc; i++)
 839                 for (j = 0; j < SWM_WS_MAX; j++)
 840                         screens[i].ws[j].restack = 1;
 841
 842         stack();
 843         /* must be after stack */
 844         bar_update();
 845 }
 846
 847 void
 848 bar_refresh(void)
 849 {
 850         XSetWindowAttributes    wa;
 851         struct swm_region       *r;
 852         int                     i;
 853
 854         /* do this here because the conf file is in memory */
 855         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 856                 /* launch external status app */
 857                 bar_extra_running = 1;
 858                 if (pipe(bar_pipe) == -1)
 859                         err(1, "pipe error");
 860                 socket_setnonblock(bar_pipe[0]);
 861                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 862                 if (dup2(bar_pipe[0], 0) == -1)
 863                         errx(1, "dup2");
 864                 if (dup2(bar_pipe[1], 1) == -1)
 865                         errx(1, "dup2");
 866                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 867                         err(1, "could not disable SIGPIPE");
 868                 switch (bar_pid = fork()) {
 869                 case -1:
 870                         err(1, "cannot fork");
 871                         break;
 872                 case 0: /* child */
 873                         close(bar_pipe[0]);
 874                         execvp(bar_argv[0], bar_argv);
 875                         err(1, "%s external app failed", bar_argv[0]);
 876                         break;
 877                 default: /* parent */
 878                         close(bar_pipe[1]);
 879                         break;
 880                 }
 881         }
 882
 883         bzero(&wa, sizeof wa);
 884         for (i = 0; i < ScreenCount(display); i++)
 885                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 886                         wa.border_pixel =
 887                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 888                         wa.background_pixel =
 889                             screens[i].c[SWM_S_COLOR_BAR].color;
 890                         XChangeWindowAttributes(display, r->bar_window,
 891                             CWBackPixel | CWBorderPixel, &wa);
 892                 }
 893         bar_update();
 894 }
 895
 896 void
 897 bar_setup(struct swm_region *r)
 898 {
 899         int                     i;
 900
 901         for (i = 0; bar_fonts[i] != NULL; i++) {
 902                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 903                 if (bar_fs) {
 904                         bar_fidx = i;
 905                         break;
 906                 }
 907         }
 908         if (bar_fonts[i] == NULL)
 909                         errx(1, "couldn't load font");
 910         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 911
 912         r->bar_window = XCreateSimpleWindow(display,
 913             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 914             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 915             r->s->c[SWM_S_COLOR_BAR].color);
 916         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 917         XSetFont(display, bar_gc, bar_fs->fid);
 918         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 919         if (bar_enabled)
 920                 XMapRaised(display, r->bar_window);
 921         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 922
 923         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 924                 err(1, "could not install bar_signal");
 925         bar_refresh();
 926 }
 927
 928 Bool
 929 set_win_notify_cb(Display *d, XEvent *e, char *arg)
 930 {
 931         struct ws_win           *win = (struct ws_win *)arg;
 932
 933         if (win && win->id == e->xany.window && e->xany.type == PropertyNotify)
 934                         return (True);
 935         return (False);
 936 }
 937
 938 void
 939 set_win_state(struct ws_win *win, long state)
 940 {
 941         long                    data[] = {state, None};
 942         XEvent                  ev;
 943         XWindowAttributes       wa;
 944         int                     putback;
 945
 946         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 947
 948         if (win == NULL)
 949                 return;
 950         /* make sure we drain everything */
 951         XSync(display, True);
 952
 953         /* make sure we still exist too */
 954         if (XGetWindowAttributes(display, win->id, &wa) == BadWindow)
 955                 return;
 956
 957         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 958             (unsigned char *)data, 2);
 959
 960         /* wait for completion of XChangeProperty */
 961         putback = 0;
 962         while (XCheckIfEvent(display, &ev, set_win_notify_cb, (char *)win))
 963                 putback = 1;
 964         if (putback)
 965                 XPutBackEvent(display, &ev);
 966 }
 967
 968 long
 969 getstate(Window w)
 970 {
 971         int                     format, status;
 972         long                    result = -1;
 973         unsigned char           *p = NULL;
 974         unsigned long           n, extra;
 975         Atom                    real;
 976
 977         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 978             &real, &format, &n, &extra, (unsigned char **)&p);
 979         if (status != Success)
 980                 return (-1);
 981         if (n != 0)
 982                 result = *((long *)p);
 983         XFree(p);
 984         return (result);
 985 }
 986
 987 void
 988 version(struct swm_region *r, union arg *args)
 989 {
 990         bar_version = !bar_version;
 991         if (bar_version)
 992                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
 993                     SWM_VERSION, cvstag);
 994         else
 995                 strlcpy(bar_vertext, "", sizeof bar_vertext);
 996         bar_update();
 997 }
 998
 999 void
1000 client_msg(struct ws_win *win, Atom a)
1001 {
1002         XClientMessageEvent     cm;
1003
1004         if (win == NULL)
1005                 return;
1006
1007         bzero(&cm, sizeof cm);
1008         cm.type = ClientMessage;
1009         cm.window = win->id;
1010         cm.message_type = aprot;
1011         cm.format = 32;
1012         cm.data.l[0] = a;
1013         cm.data.l[1] = CurrentTime;
1014         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1015 }
1016
1017 void
1018 config_win(struct ws_win *win)
1019 {
1020         XConfigureEvent         ce;
1021
1022         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1023             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1024
1025         if (win == NULL)
1026                 return;
1027
1028         ce.type = ConfigureNotify;
1029         ce.display = display;
1030         ce.event = win->id;
1031         ce.window = win->id;
1032         ce.x = win->g.x;
1033         ce.y = win->g.y;
1034         ce.width = win->g.w;
1035         ce.height = win->g.h;
1036         ce.border_width = 1; /* XXX store this! */
1037         ce.above = None;
1038         ce.override_redirect = False;
1039         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1040 }
1041
1042 int
1043 count_win(struct workspace *ws, int count_transient)
1044 {
1045         struct ws_win           *win;
1046         int                     count = 0;
1047         int                     state;
1048
1049         /*
1050          * Under stress conditions windows sometimes do not get removed from
1051          * the managed list quickly enough.  Use a very large hammer to get rid
1052          * of them.  A smaller hammer would be nice.
1053          */
1054         TAILQ_FOREACH(win, &ws->winlist, entry) {
1055                 state = getstate(win->id);
1056                 if (state == -1) {
1057                         DNPRINTF(SWM_D_MISC, "count_win:removing: %lu\n",
1058                             win->id);
1059                         unmanage_window(win);
1060                 }
1061         }
1062
1063         TAILQ_FOREACH(win, &ws->winlist, entry) {
1064                 if (count_transient == 0 && win->floating)
1065                         continue;
1066                 if (count_transient == 0 && win->transient)
1067                         continue;
1068                 count++;
1069         }
1070         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1071
1072         return (count);
1073 }
1074
1075 void
1076 quit(struct swm_region *r, union arg *args)
1077 {
1078         DNPRINTF(SWM_D_MISC, "quit\n");
1079         running = 0;
1080 }
1081
1082 Bool
1083 unmap_window_cb(Display *d, XEvent *e, char *arg)
1084 {
1085         struct ws_win           *win = (struct ws_win *)arg;
1086
1087         if (win && win->id == e->xany.window && e->xany.type == UnmapNotify)
1088                         return (True);
1089         return (False);
1090 }
1091
1092 void
1093 unmap_window(struct ws_win *win)
1094 {
1095         XEvent                  ev;
1096         XWindowAttributes       wa;
1097         int                     putback;
1098
1099         if (win == NULL)
1100                 return;
1101
1102         /* make sure we still exist too */
1103         if (XGetWindowAttributes(display, win->id, &wa) == BadWindow)
1104                 return;
1105
1106         /* don't unmap again */
1107         if (wa.map_state == IsUnmapped && getstate(win->id) == IconicState)
1108                 return;
1109
1110         /* java shits itself when windows are set to iconic state */
1111         if (win->java == 0)
1112                 set_win_state(win, IconicState);
1113
1114         XUnmapWindow(display, win->id);
1115
1116         /* make sure we wait for XUnmapWindow completion */
1117         putback = 0;
1118         while (XCheckIfEvent(display, &ev, unmap_window_cb, (char *)win))
1119                 putback = 1;
1120         if (putback)
1121                 XPutBackEvent(display, &ev);
1122 }
1123
1124 void
1125 unmap_all(void)
1126 {
1127         struct ws_win           *win;
1128         int                     i, j;
1129
1130         for (i = 0; i < ScreenCount(display); i++)
1131                 for (j = 0; j < SWM_WS_MAX; j++)
1132                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1133                                 unmap_window(win);
1134 }
1135
1136 void
1137 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1138 {
1139         XKeyEvent event;
1140
1141         if (win == NULL)
1142                 return;
1143
1144         event.display = display;        /* Ignored, but what the hell */
1145         event.window = win->id;
1146         event.root = win->s->root;
1147         event.subwindow = None;
1148         event.time = CurrentTime;
1149         event.x = win->g.x;
1150         event.y = win->g.y;
1151         event.x_root = 1;
1152         event.y_root = 1;
1153         event.same_screen = True;
1154         event.keycode = XKeysymToKeycode(display, keysym);
1155         event.state = modifiers;
1156
1157         event.type = KeyPress;
1158         XSendEvent(event.display, event.window, True,
1159             KeyPressMask, (XEvent *)&event);
1160
1161         event.type = KeyRelease;
1162         XSendEvent(event.display, event.window, True,
1163             KeyPressMask, (XEvent *)&event);
1164
1165 }
1166
1167 void
1168 restart(struct swm_region *r, union arg *args)
1169 {
1170         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1171
1172         /* disable alarm because the following code may not be interrupted */
1173         alarm(0);
1174         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1175                 errx(1, "can't disable alarm");
1176
1177         bar_extra_stop();
1178         bar_extra = 1;
1179         unmap_all();
1180         XCloseDisplay(display);
1181         execvp(start_argv[0], start_argv);
1182         fprintf(stderr, "execvp failed\n");
1183         perror(" failed");
1184         quit(NULL, NULL);
1185 }
1186
1187 struct swm_region *
1188 root_to_region(Window root)
1189 {
1190         struct swm_region       *r = NULL;
1191         Window                  rr, cr;
1192         int                     i, x, y, wx, wy;
1193         unsigned int            mask;
1194
1195         for (i = 0; i < ScreenCount(display); i++)
1196                 if (screens[i].root == root)
1197                         break;
1198
1199         if (XQueryPointer(display, screens[i].root,
1200             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1201                 /* choose a region based on pointer location */
1202                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1203                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1204                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1205                                 break;
1206         }
1207
1208         if (r == NULL)
1209                 r = TAILQ_FIRST(&screens[i].rl);
1210
1211         return (r);
1212 }
1213
1214 struct ws_win *
1215 find_window(Window id)
1216 {
1217         struct ws_win           *win;
1218         int                     i, j;
1219
1220         for (i = 0; i < ScreenCount(display); i++)
1221                 for (j = 0; j < SWM_WS_MAX; j++)
1222                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1223                                 if (id == win->id)
1224                                         return (win);
1225         return (NULL);
1226 }
1227
1228 void
1229 spawn(struct swm_region *r, union arg *args)
1230 {
1231         char                    *ret;
1232         int                     si;
1233
1234         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1235         /*
1236          * The double-fork construct avoids zombie processes and keeps the code
1237          * clean from stupid signal handlers.
1238          */
1239         if (fork() == 0) {
1240                 if (fork() == 0) {
1241                         if (display)
1242                                 close(ConnectionNumber(display));
1243                         setenv("LD_PRELOAD", SWM_LIB, 1);
1244                         if (asprintf(&ret, "%d", r->ws->idx)) {
1245                                 setenv("_SWM_WS", ret, 1);
1246                                 free(ret);
1247                         }
1248                         if (asprintf(&ret, "%d", getpid())) {
1249                                 setenv("_SWM_PID", ret, 1);
1250                                 free(ret);
1251                         }
1252                         setsid();
1253                         /* kill stdin, mplayer, ssh-add etc. need that */
1254                         si = open("/dev/null", O_RDONLY, 0);
1255                         if (si == -1)
1256                                 err(1, "open /dev/null");
1257                         if (dup2(si, 0) == -1)
1258                                 err(1, "dup2 /dev/null");
1259                         execvp(args->argv[0], args->argv);
1260                         fprintf(stderr, "execvp failed\n");
1261                         perror(" failed");
1262                 }
1263                 exit(0);
1264         }
1265 }
1266
1267 void
1268 spawnterm(struct swm_region *r, union arg *args)
1269 {
1270         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1271
1272         if (term_width)
1273                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1274         spawn(r, args);
1275 }
1276
1277 void
1278 unfocus_win(struct ws_win *win)
1279 {
1280         if (win == NULL)
1281                 return;
1282         if (win->ws == NULL)
1283                 return;
1284         if (win->ws->r == NULL)
1285                 return;
1286
1287         if (win->ws->focus == win) {
1288                 win->ws->focus = NULL;
1289                 win->ws->focus_prev = win;
1290         }
1291
1292         grabbuttons(win, 0);
1293         XSetWindowBorder(display, win->id,
1294             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1295 }
1296
1297 void
1298 unfocus_all(void)
1299 {
1300         struct ws_win           *win;
1301         int                     i, j;
1302
1303         DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1304
1305         for (i = 0; i < ScreenCount(display); i++)
1306                 for (j = 0; j < SWM_WS_MAX; j++)
1307                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1308                                 unfocus_win(win);
1309 }
1310
1311 void
1312 focus_win(struct ws_win *win)
1313 {
1314         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1315
1316         if (win == NULL)
1317                 return;
1318         if (win->ws == NULL)
1319                 return;
1320
1321         /* use big hammer to make sure it works under all use cases */
1322         unfocus_all();
1323         win->ws->focus = win;
1324
1325         if (win->ws->r != NULL) {
1326                 XSetWindowBorder(display, win->id,
1327                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1328                 grabbuttons(win, 1);
1329                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1330                         XMapRaised(display, win->id);
1331                 if (win->java == 0)
1332                         XSetInputFocus(display, win->id,
1333                             RevertToPointerRoot, CurrentTime);
1334         }
1335 }
1336
1337 void
1338 switchws(struct swm_region *r, union arg *args)
1339 {
1340         int                     wsid = args->id;
1341         struct swm_region       *this_r, *other_r;
1342         struct ws_win           *win, *winfocus = NULL, *parent = NULL;
1343         struct workspace        *new_ws, *old_ws;
1344
1345         if (!(r && r->s)) {
1346                 fprintf(stderr, "r && r->s failed\n");
1347                 abort();
1348         }
1349         if (wsid < 0 || wsid > SWM_WS_MAX) {
1350                 fprintf(stderr, "illegal wsid\n");
1351                 abort();
1352         }
1353
1354         this_r = r;
1355         old_ws = this_r->ws;
1356         new_ws = &this_r->s->ws[wsid];
1357
1358         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1359             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1360             old_ws->idx, wsid);
1361
1362         if (new_ws == NULL || old_ws == NULL) {
1363                 fprintf(stderr, "new_ws = %p old_ws = %p\n", new_ws, old_ws);
1364                 abort();
1365         }
1366
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                 old_ws->restack = 1;
1385
1386                 /*
1387                  * Map new windows first if they were here before
1388                  * to minimize ugly blinking.
1389                  */
1390                 if (new_ws->old_r == this_r)
1391                         TAILQ_FOREACH(win, &new_ws->winlist, entry)
1392                                 if (!(win->ws->cur_layout->flags &
1393                                     SWM_L_MAPONFOCUS))
1394                                         XMapRaised(display, win->id);
1395
1396                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1397                         unmap_window(win);
1398         } else {
1399                 other_r->ws = old_ws;
1400                 old_ws->r = other_r;
1401         }
1402         this_r->ws = new_ws;
1403         new_ws->r = this_r;
1404
1405         ignore_enter = 1;
1406         stack();
1407         if (winfocus) {
1408                 /* make sure we see the parent window */
1409                 if (winfocus->transient) {
1410                         parent = find_window(winfocus->transient);
1411                         if (parent)
1412                                 focus_win(parent);
1413                 }
1414
1415                 focus_win(winfocus);
1416         }
1417         ignore_enter = 0;
1418         bar_update();
1419 }
1420
1421 void
1422 cyclews(struct swm_region *r, union arg *args)
1423 {
1424         union                   arg a;
1425         struct swm_screen       *s = r->s;
1426
1427         DNPRINTF(SWM_D_WS, "cyclews id %d "
1428             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1429             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1430
1431         a.id = r->ws->idx;
1432         do {
1433                 switch (args->id) {
1434                 case SWM_ARG_ID_CYCLEWS_UP:
1435                         if (a.id < SWM_WS_MAX - 1)
1436                                 a.id++;
1437                         else
1438                                 a.id = 0;
1439                         break;
1440                 case SWM_ARG_ID_CYCLEWS_DOWN:
1441                         if (a.id > 0)
1442                                 a.id--;
1443                         else
1444                                 a.id = SWM_WS_MAX - 1;
1445                         break;
1446                 default:
1447                         return;
1448                 };
1449
1450                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1451                         continue;
1452                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1453                         continue;
1454
1455                 switchws(r, &a);
1456         } while (a.id != r->ws->idx);
1457 }
1458
1459 void
1460 cyclescr(struct swm_region *r, union arg *args)
1461 {
1462         struct swm_region       *rr = NULL;
1463         struct workspace        *ws = NULL;
1464         struct ws_win           *winfocus = NULL;
1465         int                     i, x, y;
1466
1467         /* do nothing if we don't have more than one screen */
1468         if (!(ScreenCount(display) > 1 || outputs > 1))
1469                 return;
1470
1471         i = r->s->idx;
1472         switch (args->id) {
1473         case SWM_ARG_ID_CYCLESC_UP:
1474                 rr = TAILQ_NEXT(r, entry);
1475                 if (rr == NULL)
1476                         rr = TAILQ_FIRST(&screens[i].rl);
1477                 break;
1478         case SWM_ARG_ID_CYCLESC_DOWN:
1479                 rr = TAILQ_PREV(r, swm_region_list, entry);
1480                 if (rr == NULL)
1481                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1482                 break;
1483         default:
1484                 return;
1485         };
1486         if (rr == NULL)
1487                 return;
1488
1489         ws = rr->ws;
1490         winfocus = ws->focus;
1491         if (winfocus == NULL)
1492                 winfocus = ws->focus_prev;
1493         if (winfocus) {
1494                 /* use window coordinates */
1495                 x = winfocus->g.x + 1;
1496                 y = winfocus->g.y + 1;
1497         } else {
1498                 /* use region coordinates */
1499                 x = rr->g.x + 1;
1500                 y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1501         }
1502
1503         unfocus_all();
1504         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1505         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1506
1507         focus_win(winfocus);
1508 }
1509
1510 void
1511 swapwin(struct swm_region *r, union arg *args)
1512 {
1513         struct ws_win           *target, *source;
1514         struct ws_win           *cur_focus;
1515         struct ws_win_list      *wl;
1516
1517
1518         DNPRINTF(SWM_D_WS, "swapwin id %d "
1519             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1520             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1521
1522         cur_focus = r->ws->focus;
1523         if (cur_focus == NULL)
1524                 return;
1525
1526         source = cur_focus;
1527         wl = &source->ws->winlist;
1528
1529         switch (args->id) {
1530         case SWM_ARG_ID_SWAPPREV:
1531                 target = TAILQ_PREV(source, ws_win_list, entry);
1532                 TAILQ_REMOVE(wl, cur_focus, entry);
1533                 if (target == NULL)
1534                         TAILQ_INSERT_TAIL(wl, source, entry);
1535                 else
1536                         TAILQ_INSERT_BEFORE(target, source, entry);
1537                 break;
1538         case SWM_ARG_ID_SWAPNEXT:
1539                 target = TAILQ_NEXT(source, entry);
1540                 TAILQ_REMOVE(wl, source, entry);
1541                 if (target == NULL)
1542                         TAILQ_INSERT_HEAD(wl, source, entry);
1543                 else
1544                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1545                 break;
1546         case SWM_ARG_ID_SWAPMAIN:
1547                 target = TAILQ_FIRST(wl);
1548                 if (target == source) {
1549                         if (source->ws->focus_prev != NULL &&
1550                             source->ws->focus_prev != target)
1551
1552                                 source = source->ws->focus_prev;
1553                         else
1554                                 return;
1555                 }
1556                 source->ws->focus_prev = target;
1557                 TAILQ_REMOVE(wl, target, entry);
1558                 TAILQ_INSERT_BEFORE(source, target, entry);
1559                 TAILQ_REMOVE(wl, source, entry);
1560                 TAILQ_INSERT_HEAD(wl, source, entry);
1561                 break;
1562         default:
1563                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1564                 return;
1565         }
1566
1567         ignore_enter = 1;
1568         stack();
1569 }
1570
1571 void
1572 focus(struct swm_region *r, union arg *args)
1573 {
1574         struct ws_win           *winfocus, *winlostfocus;
1575         struct ws_win_list      *wl;
1576         struct ws_win           *cur_focus;
1577
1578         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1579
1580         cur_focus = r->ws->focus;
1581         if (cur_focus == NULL)
1582                 return;
1583
1584         wl = &cur_focus->ws->winlist;
1585
1586         winlostfocus = cur_focus;
1587
1588         switch (args->id) {
1589         case SWM_ARG_ID_FOCUSPREV:
1590                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1591                 if (winfocus == NULL)
1592                         winfocus = TAILQ_LAST(wl, ws_win_list);
1593                 break;
1594
1595         case SWM_ARG_ID_FOCUSNEXT:
1596                 winfocus = TAILQ_NEXT(cur_focus, entry);
1597                 if (winfocus == NULL)
1598                         winfocus = TAILQ_FIRST(wl);
1599                 break;
1600
1601         case SWM_ARG_ID_FOCUSMAIN:
1602                 winfocus = TAILQ_FIRST(wl);
1603                 if (winfocus == cur_focus)
1604                         winfocus = cur_focus->ws->focus_prev;
1605                 if (winfocus == NULL)
1606                         return;
1607                 break;
1608
1609         default:
1610                 return;
1611         }
1612
1613         if (winfocus == winlostfocus || winfocus == NULL)
1614                 return;
1615
1616         focus_win(winfocus);
1617 }
1618
1619 void
1620 cycle_layout(struct swm_region *r, union arg *args)
1621 {
1622         struct workspace        *ws = r->ws;
1623         struct ws_win           *winfocus, *parent = NULL;
1624
1625         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1626
1627         winfocus = ws->focus;
1628
1629         ws->cur_layout++;
1630         if (ws->cur_layout->l_stack == NULL)
1631                 ws->cur_layout = &layouts[0];
1632
1633         ignore_enter = 1;
1634         stack();
1635         /* make sure we see the parent window */
1636         if (winfocus) {
1637                 if (winfocus->transient)
1638                         parent = find_window(winfocus->transient);
1639                 if (parent)
1640                         focus_win(parent);
1641                 focus_win(winfocus);
1642         }
1643         ignore_enter = 0;
1644 }
1645
1646 void
1647 stack_config(struct swm_region *r, union arg *args)
1648 {
1649         struct workspace        *ws = r->ws;
1650
1651         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1652             args->id, ws->idx);
1653
1654         if (ws->cur_layout->l_config != NULL)
1655                 ws->cur_layout->l_config(ws, args->id);
1656
1657         if (args->id != SWM_ARG_ID_STACKINIT);
1658                 stack();
1659 }
1660
1661 void
1662 stack(void) {
1663         struct swm_geometry     g;
1664         struct swm_region       *r;
1665         int                     i, j;
1666
1667         DNPRINTF(SWM_D_STACK, "stack\n");
1668
1669         for (i = 0; i < ScreenCount(display); i++) {
1670                 j = 0;
1671                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1672                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1673                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1674
1675                         /* start with screen geometry, adjust for bar */
1676                         if (r == NULL) {
1677                                 fprintf(stderr, "illegal r\n");
1678                                 abort();
1679                         }
1680                         g = r->g;
1681                         g.w -= 2;
1682                         g.h -= 2;
1683                         if (bar_enabled) {
1684                                 g.y += bar_height;
1685                                 g.h -= bar_height;
1686                         }
1687                         if (r->ws == NULL) {
1688                                 fprintf(stderr, "illegal ws\n");
1689                                 abort();
1690                         }
1691                         if (r->ws->cur_layout == NULL) {
1692                                 fprintf(stderr, "illegal cur_layout\n");
1693                                 abort();
1694                         }
1695                         r->ws->restack = 0;
1696                         if (r->ws->cur_layout->l_stack == NULL) {
1697                                 fprintf(stderr, "illegal l_stack\n");
1698                                 abort();
1699                         }
1700                         r->ws->cur_layout->l_stack(r->ws, &g);
1701                 }
1702         }
1703         if (font_adjusted)
1704                 font_adjusted--;
1705 }
1706
1707 void
1708 stack_floater(struct ws_win *win, struct swm_region *r)
1709 {
1710         unsigned int            mask;
1711         XWindowChanges          wc;
1712
1713         if (win == NULL)
1714                 return;
1715
1716         bzero(&wc, sizeof wc);
1717         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1718         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1719             (win->g.h == HEIGHT(r)))
1720                 wc.border_width = 0;
1721         else
1722                 wc.border_width = 1;
1723         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1724                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1725                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1726         }
1727         wc.width = win->g.w;
1728         wc.height = win->g.h;
1729         if (win->manual) {
1730                 wc.x = win->g.x;
1731                 wc.y = win->g.y;
1732         } else {
1733                 wc.x = (WIDTH(r) - win->g.w) / 2;
1734                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1735         }
1736
1737         /* adjust for region */
1738         wc.x += r->g.x;
1739         wc.y += r->g.y;
1740
1741         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1742             win->id, wc.x, wc.y, wc.width, wc.height);
1743
1744         XConfigureWindow(display, win->id, mask, &wc);
1745 }
1746
1747 /*
1748  * Send keystrokes to terminal to decrease/increase the font size as the
1749  * window size changes.
1750  */
1751 void
1752 adjust_font(struct ws_win *win)
1753 {
1754         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1755             win->floating || win->transient)
1756                 return;
1757
1758         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1759             win->g.w / win->sh.width_inc < term_width &&
1760             win->font_steps < SWM_MAX_FONT_STEPS) {
1761                 win->font_size_boundary[win->font_steps] =
1762                     (win->sh.width_inc * term_width) + win->sh.base_width;
1763                 win->font_steps++;
1764                 font_adjusted++;
1765                 win->last_inc = win->sh.width_inc;
1766                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1767         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1768             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1769                 win->font_steps--;
1770                 font_adjusted++;
1771                 win->last_inc = win->sh.width_inc;
1772                 fake_keypress(win, XK_KP_Add, ShiftMask);
1773         }
1774 }
1775
1776 #define SWAPXY(g)       do {                            \
1777         int tmp;                                        \
1778         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1779         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1780 } while (0)
1781 void
1782 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1783 {
1784         XWindowChanges          wc;
1785         struct swm_geometry     win_g, r_g = *g;
1786         struct ws_win           *win;
1787         int                     i, j, s, stacks;
1788         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1789         int                     hrh, extra = 0, h_slice, last_h = 0;
1790         int                     split, colno, winno, mwin, msize, mscale;
1791         int                     remain, missing, v_slice;
1792         unsigned int            mask;
1793
1794         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1795             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1796
1797         winno = count_win(ws, 0);
1798         if (winno == 0 && count_win(ws, 1) == 0)
1799                 return;
1800
1801         TAILQ_FOREACH(win, &ws->winlist, entry)
1802                 if (win->transient == 0 && win->floating == 0)
1803                         break;
1804
1805         if (win == NULL)
1806                 goto notiles;
1807
1808         if (rot) {
1809                 w_inc = win->sh.width_inc;
1810                 w_base = win->sh.base_width;
1811                 mwin = ws->l_state.horizontal_mwin;
1812                 mscale = ws->l_state.horizontal_msize;
1813                 stacks = ws->l_state.horizontal_stacks;
1814                 SWAPXY(&r_g);
1815         } else {
1816                 w_inc = win->sh.height_inc;
1817                 w_base = win->sh.base_height;
1818                 mwin = ws->l_state.vertical_mwin;
1819                 mscale = ws->l_state.vertical_msize;
1820                 stacks = ws->l_state.vertical_stacks;
1821         }
1822         win_g = r_g;
1823
1824         if (stacks > winno - mwin)
1825                 stacks = winno - mwin;
1826         if (stacks < 1)
1827                 stacks = 1;
1828
1829         h_slice = r_g.h / SWM_H_SLICE;
1830         if (mwin && winno > mwin) {
1831                 v_slice = r_g.w / SWM_V_SLICE;
1832
1833                 split = mwin;
1834                 colno = split;
1835                 win_g.w = v_slice * mscale;
1836
1837                 if (w_inc > 1 && w_inc < v_slice) {
1838                         /* adjust for window's requested size increment */
1839                         remain = (win_g.w - w_base) % w_inc;
1840                         missing = w_inc - remain;
1841                         win_g.w -= remain;
1842                         extra += remain;
1843                 }
1844
1845                 msize = win_g.w;
1846                 if (flip)
1847                         win_g.x += r_g.w - msize;
1848         } else {
1849                 msize = -2;
1850                 colno = split = winno / stacks;
1851                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1852         }
1853         hrh = r_g.h / colno;
1854         extra = r_g.h - (colno * hrh);
1855         win_g.h = hrh - 2;
1856
1857         /*  stack all the tiled windows */
1858         i = j = 0, s = stacks;
1859         TAILQ_FOREACH(win, &ws->winlist, entry) {
1860                 if (win->transient != 0 || win->floating != 0)
1861                         continue;
1862
1863                 if (split && i == split) {
1864                         colno = (winno - mwin) / stacks;
1865                         if (s <= (winno - mwin) % stacks)
1866                                 colno++;
1867                         split = split + colno;
1868                         hrh = (r_g.h / colno);
1869                         extra = r_g.h - (colno * hrh);
1870                         if (flip)
1871                                 win_g.x = r_g.x;
1872                         else
1873                                 win_g.x += win_g.w + 2;
1874                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1875                         if (s == 1)
1876                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1877                                     stacks;
1878                         s--;
1879                         j = 0;
1880                 }
1881                 win_g.h = hrh - 2;
1882                 if (rot) {
1883                         h_inc = win->sh.width_inc;
1884                         h_base = win->sh.base_width;
1885                 } else {
1886                         h_inc = win->sh.height_inc;
1887                         h_base = win->sh.base_height;
1888                 }
1889                 if (j == colno - 1) {
1890                         win_g.h = hrh + extra;
1891                 } else if (h_inc > 1 && h_inc < h_slice) {
1892                         /* adjust for window's requested size increment */
1893                         remain = (win_g.h - h_base) % h_inc;
1894                         missing = h_inc - remain;
1895
1896                         if (missing <= extra || j == 0) {
1897                                 extra -= missing;
1898                                 win_g.h += missing;
1899                         } else {
1900                                 win_g.h -= remain;
1901                                 extra += remain;
1902                         }
1903                 }
1904
1905                 if (j == 0)
1906                         win_g.y = r_g.y;
1907                 else
1908                         win_g.y += last_h + 2;
1909
1910                 bzero(&wc, sizeof wc);
1911                 wc.border_width = 1;
1912                 if (rot) {
1913                         win->g.x = wc.x = win_g.y;
1914                         win->g.y = wc.y = win_g.x;
1915                         win->g.w = wc.width = win_g.h;
1916                         win->g.h = wc.height = win_g.w;
1917                 } else {
1918                         win->g.x = wc.x = win_g.x;
1919                         win->g.y = wc.y = win_g.y;
1920                         win->g.w = wc.width = win_g.w;
1921                         win->g.h = wc.height = win_g.h;
1922                 }
1923                 adjust_font(win);
1924                 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1925                 XConfigureWindow(display, win->id, mask, &wc);
1926                 XMapRaised(display, win->id);
1927
1928                 last_h = win_g.h;
1929                 i++;
1930                 j++;
1931         }
1932
1933  notiles:
1934         /* now, stack all the floaters and transients */
1935         TAILQ_FOREACH(win, &ws->winlist, entry) {
1936                 if (win->transient == 0 && win->floating == 0)
1937                         continue;
1938
1939                 stack_floater(win, ws->r);
1940                 XMapRaised(display, win->id);
1941         }
1942 }
1943
1944 void
1945 vertical_config(struct workspace *ws, int id)
1946 {
1947         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1948
1949         switch (id) {
1950         case SWM_ARG_ID_STACKRESET:
1951         case SWM_ARG_ID_STACKINIT:
1952                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1953                 ws->l_state.vertical_mwin = 1;
1954                 ws->l_state.vertical_stacks = 1;
1955                 break;
1956         case SWM_ARG_ID_MASTERSHRINK:
1957                 if (ws->l_state.vertical_msize > 1)
1958                         ws->l_state.vertical_msize--;
1959                 break;
1960         case SWM_ARG_ID_MASTERGROW:
1961                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1962                         ws->l_state.vertical_msize++;
1963                 break;
1964         case SWM_ARG_ID_MASTERADD:
1965                 ws->l_state.vertical_mwin++;
1966                 break;
1967         case SWM_ARG_ID_MASTERDEL:
1968                 if (ws->l_state.vertical_mwin > 0)
1969                         ws->l_state.vertical_mwin--;
1970                 break;
1971         case SWM_ARG_ID_STACKINC:
1972                 ws->l_state.vertical_stacks++;
1973                 break;
1974         case SWM_ARG_ID_STACKDEC:
1975                 if (ws->l_state.vertical_stacks > 1)
1976                         ws->l_state.vertical_stacks--;
1977                 break;
1978         default:
1979                 return;
1980         }
1981 }
1982
1983 void
1984 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1985 {
1986         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1987
1988         stack_master(ws, g, 0, 0);
1989 }
1990
1991 void
1992 horizontal_config(struct workspace *ws, int id)
1993 {
1994         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1995
1996         switch (id) {
1997         case SWM_ARG_ID_STACKRESET:
1998         case SWM_ARG_ID_STACKINIT:
1999                 ws->l_state.horizontal_mwin = 1;
2000                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2001                 ws->l_state.horizontal_stacks = 1;
2002                 break;
2003         case SWM_ARG_ID_MASTERSHRINK:
2004                 if (ws->l_state.horizontal_msize > 1)
2005                         ws->l_state.horizontal_msize--;
2006                 break;
2007         case SWM_ARG_ID_MASTERGROW:
2008                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2009                         ws->l_state.horizontal_msize++;
2010                 break;
2011         case SWM_ARG_ID_MASTERADD:
2012                 ws->l_state.horizontal_mwin++;
2013                 break;
2014         case SWM_ARG_ID_MASTERDEL:
2015                 if (ws->l_state.horizontal_mwin > 0)
2016                         ws->l_state.horizontal_mwin--;
2017                 break;
2018         case SWM_ARG_ID_STACKINC:
2019                 ws->l_state.horizontal_stacks++;
2020                 break;
2021         case SWM_ARG_ID_STACKDEC:
2022                 if (ws->l_state.horizontal_stacks > 1)
2023                         ws->l_state.horizontal_stacks--;
2024                 break;
2025         default:
2026                 return;
2027         }
2028 }
2029
2030 void
2031 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2032 {
2033         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2034
2035         stack_master(ws, g, 1, 0);
2036 }
2037
2038 /* fullscreen view */
2039 void
2040 max_stack(struct workspace *ws, struct swm_geometry *g)
2041 {
2042         XWindowChanges          wc;
2043         struct swm_geometry     gg = *g;
2044         struct ws_win           *win, *wintrans = NULL;
2045         unsigned int            mask;
2046         int                     winno;
2047
2048         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2049
2050         if (ws == NULL)
2051                 return;
2052
2053         winno = count_win(ws, 0);
2054         if (winno == 0 && count_win(ws, 1) == 0)
2055                 return;
2056
2057         TAILQ_FOREACH(win, &ws->winlist, entry) {
2058                 if (win->transient != 0) {
2059                         wintrans = win;
2060                 } else {
2061                         bzero(&wc, sizeof wc);
2062                         wc.border_width = 1;
2063                         win->g.x = wc.x = gg.x;
2064                         win->g.y = wc.y = gg.y;
2065                         win->g.w = wc.width = gg.w;
2066                         win->g.h = wc.height = gg.h;
2067                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2068                         XConfigureWindow(display, win->id, mask, &wc);
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
2077         /* put the last transient on top */
2078         if (wintrans) {
2079                 stack_floater(wintrans, ws->r);
2080                 focus_win(wintrans); /* override */
2081         }
2082 }
2083
2084 void
2085 send_to_ws(struct swm_region *r, union arg *args)
2086 {
2087         int                     wsid = args->id;
2088         struct ws_win           *win = win, *winfocus = NULL;
2089         struct workspace        *ws, *nws;
2090         Atom                    ws_idx_atom = 0;
2091         unsigned char           ws_idx_str[SWM_PROPLEN];
2092
2093         if (r && r->ws)
2094                 win = r->ws->focus;
2095         else
2096                 return;
2097         if (win == NULL)
2098                 return;
2099
2100         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2101
2102         ws = win->ws;
2103         nws = &win->s->ws[wsid];
2104
2105         /* find a window to focus */
2106         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2107         if (TAILQ_FIRST(&ws->winlist) == win)
2108                 winfocus = TAILQ_NEXT(win, entry);
2109         else {
2110                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2111                 if (winfocus == NULL)
2112                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2113         }
2114         /* out of windows in ws so focus on nws instead if we multi screen */
2115         if (winfocus == NULL)
2116                 if (ScreenCount(display) > 1 || outputs > 1)
2117                         winfocus = win;
2118
2119         unmap_window(win);
2120         TAILQ_REMOVE(&ws->winlist, win, entry);
2121         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2122         win->ws = nws;
2123
2124         /* Try to update the window's workspace property */
2125         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2126         if (ws_idx_atom &&
2127             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2128                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2129                     ws_idx_str);
2130                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2131                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2132         }
2133
2134         if (count_win(nws, 1) == 1)
2135                 nws->focus = win;
2136         ws->restack = 1;
2137         nws->restack = 1;
2138
2139         stack();
2140         if (winfocus)
2141                 focus_win(winfocus);
2142 }
2143
2144 void
2145 wkill(struct swm_region *r, union arg *args)
2146 {
2147         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2148
2149         if(r->ws->focus == NULL)
2150                 return;
2151
2152         if (args->id == SWM_ARG_ID_KILLWINDOW)
2153                 XKillClient(display, r->ws->focus->id);
2154         else
2155                 if (r->ws->focus->can_delete)
2156                         client_msg(r->ws->focus, adelete);
2157 }
2158
2159 void
2160 floating_toggle(struct swm_region *r, union arg *args)
2161 {
2162         struct ws_win   *win = r->ws->focus;
2163
2164         if (win == NULL)
2165                 return;
2166
2167         win->floating = !win->floating;
2168         win->manual = 0;
2169         stack();
2170         focus_win(win);
2171 }
2172
2173 void
2174 resize_window(struct ws_win *win, int center)
2175 {
2176         unsigned int            mask;
2177         XWindowChanges          wc;
2178         struct swm_region       *r;
2179
2180         r = root_to_region(win->wa.root);
2181         bzero(&wc, sizeof wc);
2182         mask = CWBorderWidth | CWWidth | CWHeight;
2183         wc.border_width = 1;
2184         wc.width = win->g.w;
2185         wc.height = win->g.h;
2186         if (center == SWM_ARG_ID_CENTER) {
2187                 wc.x = (WIDTH(r) - win->g.w) / 2;
2188                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2189                 mask |= CWX | CWY;
2190         }
2191
2192         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2193             win->id, wc.x, wc.y, wc.width, wc.height);
2194
2195         XConfigureWindow(display, win->id, mask, &wc);
2196         config_win(win);
2197 }
2198
2199 void
2200 resize(struct ws_win *win, union arg *args)
2201 {
2202         XEvent                  ev;
2203         Time                    time = 0;
2204
2205         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2206             win->id, win->floating, win->transient);
2207
2208         if (!(win->transient != 0 || win->floating != 0))
2209                 return;
2210
2211         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2212             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2213                 return;
2214         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2215         do {
2216                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2217                     SubstructureRedirectMask, &ev);
2218                 switch(ev.type) {
2219                 case ConfigureRequest:
2220                 case Expose:
2221                 case MapRequest:
2222                         handler[ev.type](&ev);
2223                         break;
2224                 case MotionNotify:
2225                         if (ev.xmotion.x <= 1)
2226                                 ev.xmotion.x = 1;
2227                         if (ev.xmotion.y <= 1)
2228                                 ev.xmotion.y = 1;
2229                         win->g.w = ev.xmotion.x;
2230                         win->g.h = ev.xmotion.y;
2231
2232                         /* not free, don't sync more than 60 times / second */
2233                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2234                                 time = ev.xmotion.time;
2235                                 XSync(display, False);
2236                                 resize_window(win, args->id);
2237                         }
2238                         break;
2239                 }
2240         } while (ev.type != ButtonRelease);
2241         if (time) {
2242                 XSync(display, False);
2243                 resize_window(win, args->id);
2244         }
2245         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2246             win->g.h - 1);
2247         XUngrabPointer(display, CurrentTime);
2248
2249         /* drain events */
2250         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2251 }
2252
2253 void
2254 move_window(struct ws_win *win)
2255 {
2256         unsigned int            mask;
2257         XWindowChanges          wc;
2258         struct swm_region       *r;
2259
2260         r = root_to_region(win->wa.root);
2261         bzero(&wc, sizeof wc);
2262         mask = CWX | CWY;
2263         wc.x = win->g.x;
2264         wc.y = win->g.y;
2265
2266         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2267             win->id, wc.x, wc.y, wc.width, wc.height);
2268
2269         XConfigureWindow(display, win->id, mask, &wc);
2270         config_win(win);
2271 }
2272
2273 void
2274 move(struct ws_win *win, union arg *args)
2275 {
2276         XEvent                  ev;
2277         Time                    time = 0;
2278         int                     restack = 0;
2279
2280         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2281             win->id, win->floating, win->transient);
2282
2283         if (win->floating == 0) {
2284                 win->floating = 1;
2285                 win->manual = 1;
2286                 restack = 1;
2287         }
2288
2289         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2290             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2291                 return;
2292         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2293         do {
2294                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2295                     SubstructureRedirectMask, &ev);
2296                 switch(ev.type) {
2297                 case ConfigureRequest:
2298                 case Expose:
2299                 case MapRequest:
2300                         handler[ev.type](&ev);
2301                         break;
2302                 case MotionNotify:
2303                         win->g.x = ev.xmotion.x_root;
2304                         win->g.y = ev.xmotion.y_root;
2305
2306                         /* not free, don't sync more than 60 times / second */
2307                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2308                                 time = ev.xmotion.time;
2309                                 XSync(display, False);
2310                                 move_window(win);
2311                         }
2312                         break;
2313                 }
2314         } while (ev.type != ButtonRelease);
2315         if (time) {
2316                 XSync(display, False);
2317                 move_window(win);
2318         }
2319         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2320         XUngrabPointer(display, CurrentTime);
2321         if (restack)
2322                 stack();
2323
2324         /* drain events */
2325         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2326 }
2327
2328 /* key definitions */
2329 void
2330 dummykeyfunc(struct swm_region *r, union arg *args)
2331 {
2332 };
2333
2334 void
2335 legacyfunc(struct swm_region *r, union arg *args)
2336 {
2337 };
2338
2339 struct keyfunc {
2340         char                    name[SWM_FUNCNAME_LEN];
2341         void                    (*func)(struct swm_region *r, union arg *);
2342         union arg               args;
2343 } keyfuncs[kf_invalid + 1] = {
2344         /* name                 function        argument */
2345         { "cycle_layout",       cycle_layout,   {0} },
2346         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2347         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2348         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2349         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2350         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2351         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2352         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2353         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2354         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2355         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2356         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2357         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2358         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2359         { "spawn_menu",         legacyfunc,     {0} },
2360         { "quit",               quit,           {0} },
2361         { "restart",            restart,        {0} },
2362         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2363         { "ws_1",               switchws,       {.id = 0} },
2364         { "ws_2",               switchws,       {.id = 1} },
2365         { "ws_3",               switchws,       {.id = 2} },
2366         { "ws_4",               switchws,       {.id = 3} },
2367         { "ws_5",               switchws,       {.id = 4} },
2368         { "ws_6",               switchws,       {.id = 5} },
2369         { "ws_7",               switchws,       {.id = 6} },
2370         { "ws_8",               switchws,       {.id = 7} },
2371         { "ws_9",               switchws,       {.id = 8} },
2372         { "ws_10",              switchws,       {.id = 9} },
2373         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2374         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2375         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2376         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2377         { "mvws_1",             send_to_ws,     {.id = 0} },
2378         { "mvws_2",             send_to_ws,     {.id = 1} },
2379         { "mvws_3",             send_to_ws,     {.id = 2} },
2380         { "mvws_4",             send_to_ws,     {.id = 3} },
2381         { "mvws_5",             send_to_ws,     {.id = 4} },
2382         { "mvws_6",             send_to_ws,     {.id = 5} },
2383         { "mvws_7",             send_to_ws,     {.id = 6} },
2384         { "mvws_8",             send_to_ws,     {.id = 7} },
2385         { "mvws_9",             send_to_ws,     {.id = 8} },
2386         { "mvws_10",            send_to_ws,     {.id = 9} },
2387         { "bar_toggle",         bar_toggle,     {0} },
2388         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2389         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2390         { "screenshot_all",     legacyfunc,     {0} },
2391         { "screenshot_wind",    legacyfunc,     {0} },
2392         { "float_toggle",       floating_toggle,{0} },
2393         { "version",            version,        {0} },
2394         { "spawn_lock",         legacyfunc,     {0} },
2395         { "spawn_initscr",      legacyfunc,     {0} },
2396         { "spawn_custom",       dummykeyfunc,   {0} },
2397         { "invalid key func",   NULL,           {0} },
2398 };
2399 struct key {
2400         unsigned int            mod;
2401         KeySym                  keysym;
2402         enum keyfuncid          funcid;
2403         char                    *spawn_name;
2404 };
2405 int                             keys_size = 0, keys_length = 0;
2406 struct key                      *keys = NULL;
2407
2408 /* mouse */
2409 enum { client_click, root_click };
2410 struct button {
2411         unsigned int            action;
2412         unsigned int            mask;
2413         unsigned int            button;
2414         void                    (*func)(struct ws_win *, union arg *);
2415         union arg               args;
2416 } buttons[] = {
2417           /* action     key             mouse button    func    args */
2418         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2419         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2420         { client_click, MODKEY,         Button1,        move,   {0} },
2421 };
2422
2423 void
2424 update_modkey(unsigned int mod)
2425 {
2426         int                     i;
2427
2428         mod_key = mod;
2429         for (i = 0; i < keys_length; i++)
2430                 if (keys[i].mod & ShiftMask)
2431                         keys[i].mod = mod | ShiftMask;
2432                 else
2433                         keys[i].mod = mod;
2434
2435         for (i = 0; i < LENGTH(buttons); i++)
2436                 if (buttons[i].mask & ShiftMask)
2437                         buttons[i].mask = mod | ShiftMask;
2438                 else
2439                         buttons[i].mask = mod;
2440 }
2441
2442 /* spawn */
2443 struct spawn_prog {
2444         char                    *name;
2445         int                     argc;
2446         char                    **argv;
2447 };
2448
2449 int                             spawns_size = 0, spawns_length = 0;
2450 struct spawn_prog               *spawns = NULL;
2451
2452 void
2453 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2454 {
2455         union arg               a;
2456         struct spawn_prog       *prog = NULL;
2457         int                     i;
2458         char                    *ap, **real_args;
2459
2460         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2461
2462         /* find program */
2463         for (i = 0; i < spawns_length; i++) {
2464                 if (!strcasecmp(spawn_name, spawns[i].name))
2465                         prog = &spawns[i];
2466         }
2467         if (prog == NULL) {
2468                 fprintf(stderr, "spawn_custom: program %s not found\n",
2469                     spawn_name);
2470                 return;
2471         }
2472
2473         /* make room for expanded args */
2474         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2475                 err(1, "spawn_custom: calloc real_args");
2476
2477         /* expand spawn_args into real_args */
2478         for (i = 0; i < prog->argc; i++) {
2479                 ap = prog->argv[i];
2480                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2481                 if (!strcasecmp(ap, "$bar_border")) {
2482                         if ((real_args[i] =
2483                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2484                             == NULL)
2485                                 err(1,  "spawn_custom border color");
2486                 } else if (!strcasecmp(ap, "$bar_color")) {
2487                         if ((real_args[i] =
2488                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2489                             == NULL)
2490                                 err(1, "spawn_custom bar color");
2491                 } else if (!strcasecmp(ap, "$bar_font")) {
2492                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2493                             == NULL)
2494                                 err(1, "spawn_custom bar fonts");
2495                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2496                         if ((real_args[i] =
2497                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2498                             == NULL)
2499                                 err(1, "spawn_custom color font");
2500                 } else if (!strcasecmp(ap, "$color_focus")) {
2501                         if ((real_args[i] =
2502                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2503                             == NULL)
2504                                 err(1, "spawn_custom color focus");
2505                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2506                         if ((real_args[i] =
2507                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2508                             == NULL)
2509                                 err(1, "spawn_custom color unfocus");
2510                 } else {
2511                         /* no match --> copy as is */
2512                         if ((real_args[i] = strdup(ap)) == NULL)
2513                                 err(1, "spawn_custom strdup(ap)");
2514                 }
2515                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2516                     real_args[i]);
2517         }
2518
2519 #ifdef SWM_DEBUG
2520         if ((swm_debug & SWM_D_SPAWN) != 0) {
2521                 fprintf(stderr, "spawn_custom: result = ");
2522                 for (i = 0; i < prog->argc; i++)
2523                         fprintf(stderr, "\"%s\" ", real_args[i]);
2524                 fprintf(stderr, "\n");
2525         }
2526 #endif
2527
2528         a.argv = real_args;
2529         spawn(r, &a);
2530         for (i = 0; i < prog->argc; i++)
2531                 free(real_args[i]);
2532         free(real_args);
2533 }
2534
2535 void
2536 setspawn(struct spawn_prog *prog)
2537 {
2538         int                     i, j;
2539
2540         if (prog == NULL || prog->name == NULL)
2541                 return;
2542
2543         /* find existing */
2544         for (i = 0; i < spawns_length; i++) {
2545                 if (!strcmp(spawns[i].name, prog->name)) {
2546                         /* found */
2547                         if (prog->argv == NULL) {
2548                                 /* delete */
2549                                 DNPRINTF(SWM_D_SPAWN,
2550                                     "setspawn: delete #%d %s\n",
2551                                     i, spawns[i].name);
2552                                 free(spawns[i].name);
2553                                 for (j = 0; j < spawns[i].argc; j++)
2554                                         free(spawns[i].argv[j]);
2555                                 free(spawns[i].argv);
2556                                 j = spawns_length - 1;
2557                                 if (i < j)
2558                                         spawns[i] = spawns[j];
2559                                 spawns_length--;
2560                                 free(prog->name);
2561                         } else {
2562                                 /* replace */
2563                                 DNPRINTF(SWM_D_SPAWN,
2564                                     "setspawn: replace #%d %s\n",
2565                                     i, spawns[i].name);
2566                                 free(spawns[i].name);
2567                                 for (j = 0; j < spawns[i].argc; j++)
2568                                         free(spawns[i].argv[j]);
2569                                 free(spawns[i].argv);
2570                                 spawns[i] = *prog;
2571                         }
2572                         /* found case handled */
2573                         free(prog);
2574                         return;
2575                 }
2576         }
2577
2578         if (prog->argv == NULL) {
2579                 fprintf(stderr,
2580                     "error: setspawn: cannot find program %s", prog->name);
2581                 free(prog);
2582                 return;
2583         }
2584
2585         /* not found: add */
2586         if (spawns_size == 0 || spawns == NULL) {
2587                 spawns_size = 4;
2588                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2589                 spawns = malloc((size_t)spawns_size *
2590                     sizeof(struct spawn_prog));
2591                 if (spawns == NULL) {
2592                         fprintf(stderr, "setspawn: malloc failed\n");
2593                         perror(" failed");
2594                         quit(NULL, NULL);
2595                 }
2596         } else if (spawns_length == spawns_size) {
2597                 spawns_size *= 2;
2598                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2599                 spawns = realloc(spawns, (size_t)spawns_size *
2600                     sizeof(struct spawn_prog));
2601                 if (spawns == NULL) {
2602                         fprintf(stderr, "setspawn: realloc failed\n");
2603                         perror(" failed");
2604                         quit(NULL, NULL);
2605                 }
2606         }
2607
2608         if (spawns_length < spawns_size) {
2609                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2610                     spawns_length, prog->name);
2611                 i = spawns_length++;
2612                 spawns[i] = *prog;
2613         } else {
2614                 fprintf(stderr, "spawns array problem?\n");
2615                 if (spawns == NULL) {
2616                         fprintf(stderr, "spawns array is NULL!\n");
2617                         quit(NULL, NULL);
2618                 }
2619         }
2620         free(prog);
2621 }
2622
2623 int
2624 setconfspawn(char *selector, char *value, int flags)
2625 {
2626         struct spawn_prog       *prog;
2627         char                    *vp, *cp, *word;
2628
2629         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2630         if ((prog = calloc(1, sizeof *prog)) == NULL)
2631                 err(1, "setconfspawn: calloc prog");
2632         prog->name = strdup(selector);
2633         if (prog->name == NULL)
2634                 err(1, "setconfspawn prog->name");
2635         if ((cp = vp = strdup(value)) == NULL)
2636                 err(1, "setconfspawn: strdup(value) ");
2637         while ((word = strsep(&cp, " \t")) != NULL) {
2638                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2639                 if (cp)
2640                         cp += (long)strspn(cp, " \t");
2641                 if (strlen(word) > 0) {
2642                         prog->argc++;
2643                         prog->argv = realloc(prog->argv,
2644                             prog->argc * sizeof(char *));
2645                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2646                                 err(1, "setconfspawn: strdup");
2647                 }
2648         }
2649         free(vp);
2650
2651         setspawn(prog);
2652
2653         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2654         return (0);
2655 }
2656
2657 void
2658 setup_spawn(void)
2659 {
2660         setconfspawn("term",            "xterm",                0);
2661         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2662         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2663         setconfspawn("lock",            "xlock",                0);
2664         setconfspawn("initscr",         "initscreen.sh",        0);
2665         setconfspawn("menu",            "dmenu_run"
2666                                         " -fn $bar_font"
2667                                         " -nb $bar_color"
2668                                         " -nf $bar_font_color"
2669                                         " -sb $bar_border"
2670                                         " -sf $bar_color",      0);
2671 }
2672
2673 /* key bindings */
2674 #define SWM_MODNAME_SIZE        32
2675 #define SWM_KEY_WS              "\n+ \t"
2676 int
2677 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2678 {
2679         char                    *cp, *name;
2680         KeySym                  uks;
2681         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2682         if (mod == NULL || ks == NULL) {
2683                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2684                 return (1);
2685         }
2686         if (keystr == NULL || strlen(keystr) == 0) {
2687                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2688                 return (1);
2689         }
2690         cp = keystr;
2691         *ks = NoSymbol;
2692         *mod = 0;
2693         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2694                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2695                 if (cp)
2696                         cp += (long)strspn(cp, SWM_KEY_WS);
2697                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2698                         *mod |= currmod;
2699                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2700                         *mod |= Mod1Mask;
2701                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2702                         *mod += Mod2Mask;
2703                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2704                         *mod |= Mod3Mask;
2705                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2706                         *mod |= Mod4Mask;
2707                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2708                         *mod |= ShiftMask;
2709                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2710                         *mod |= ControlMask;
2711                 else {
2712                         *ks = XStringToKeysym(name);
2713                         XConvertCase(*ks, ks, &uks);
2714                         if (ks == NoSymbol) {
2715                                 DNPRINTF(SWM_D_KEY,
2716                                     "parsekeys: invalid key %s\n",
2717                                     name);
2718                                 return (1);
2719                         }
2720                 }
2721         }
2722         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2723         return (0);
2724 }
2725
2726 char *
2727 strdupsafe(char *str)
2728 {
2729         if (str == NULL)
2730                 return (NULL);
2731         else
2732                 return (strdup(str));
2733 }
2734
2735 void
2736 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2737 {
2738         int                     i, j;
2739         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2740             keyfuncs[kfid].name, spawn_name);
2741         /* find existing */
2742         for (i = 0; i < keys_length; i++) {
2743                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2744                         if (kfid == kf_invalid) {
2745                                 /* found: delete */
2746                                 DNPRINTF(SWM_D_KEY,
2747                                     "setkeybinding: delete #%d %s\n",
2748                                     i, keyfuncs[keys[i].funcid].name);
2749                                 free(keys[i].spawn_name);
2750                                 j = keys_length - 1;
2751                                 if (i < j)
2752                                         keys[i] = keys[j];
2753                                 keys_length--;
2754                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2755                                 return;
2756                         } else {
2757                                 /* found: replace */
2758                                 DNPRINTF(SWM_D_KEY,
2759                                     "setkeybinding: replace #%d %s %s\n",
2760                                     i, keyfuncs[keys[i].funcid].name,
2761                                     spawn_name);
2762                                 free(keys[i].spawn_name);
2763                                 keys[i].mod = mod;
2764                                 keys[i].keysym = ks;
2765                                 keys[i].funcid = kfid;
2766                                 keys[i].spawn_name = strdupsafe(spawn_name);
2767                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2768                                 return;
2769                         }
2770                 }
2771         }
2772         if (kfid == kf_invalid) {
2773                 fprintf(stderr,
2774                     "error: setkeybinding: cannot find mod/key combination");
2775                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2776                 return;
2777         }
2778         /* not found: add */
2779         if (keys_size == 0 || keys == NULL) {
2780                 keys_size = 4;
2781                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2782                 keys = malloc((size_t)keys_size * sizeof(struct key));
2783                 if (!keys) {
2784                         fprintf(stderr, "malloc failed\n");
2785                         perror(" failed");
2786                         quit(NULL, NULL);
2787                 }
2788         } else if (keys_length == keys_size) {
2789                 keys_size *= 2;
2790                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2791                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2792                 if (!keys) {
2793                         fprintf(stderr, "realloc failed\n");
2794                         perror(" failed");
2795                         quit(NULL, NULL);
2796                 }
2797         }
2798         if (keys_length < keys_size) {
2799                 j = keys_length++;
2800                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2801                     j, keyfuncs[kfid].name, spawn_name);
2802                 keys[j].mod = mod;
2803                 keys[j].keysym = ks;
2804                 keys[j].funcid = kfid;
2805                 keys[j].spawn_name = strdupsafe(spawn_name);
2806         } else {
2807                 fprintf(stderr, "keys array problem?\n");
2808                 if (!keys) {
2809                         fprintf(stderr, "keys array problem\n");
2810                         quit(NULL, NULL);
2811                 }
2812         }
2813         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2814 }
2815
2816 int
2817 setconfbinding(char *selector, char *value, int flags)
2818 {
2819         enum keyfuncid          kfid;
2820         unsigned int            mod;
2821         KeySym                  ks;
2822         int                     i;
2823         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2824         if (selector == NULL) {
2825                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2826                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2827                         kfid = kf_invalid;
2828                         setkeybinding(mod, ks, kfid, NULL);
2829                         return (0);
2830                 } else
2831                         return (1);
2832         }
2833         /* search by key function name */
2834         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2835                 if (strncasecmp(selector, keyfuncs[kfid].name,
2836                     SWM_FUNCNAME_LEN) == 0) {
2837                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2838                             selector);
2839                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2840                                 setkeybinding(mod, ks, kfid, NULL);
2841                                 return (0);
2842                         } else
2843                                 return (1);
2844                 }
2845         }
2846         /* search by custom spawn name */
2847         for (i = 0; i < spawns_length; i++) {
2848                 if (strcasecmp(selector, spawns[i].name) == 0) {
2849                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2850                             selector);
2851                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2852                                 setkeybinding(mod, ks, kf_spawn_custom,
2853                                     spawns[i].name);
2854                                 return (0);
2855                         } else
2856                                 return (1);
2857                 }
2858         }
2859         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2860         return (1);
2861 }
2862
2863 void
2864 setup_keys(void)
2865 {
2866         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2867         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2868         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2869         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2870         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2871         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2872         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2873         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2874         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2875         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2876         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2877         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2878         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2879         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2880         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2881         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2882         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2883         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2884         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2885         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2886         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2887         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2888         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2889         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2890         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2891         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2892         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2893         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2894         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2895         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2896         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2897         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2898         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2899         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2900         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2901         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2902         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2903         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2904         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2905         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2906         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2907         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2908         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2909         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2910         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2911         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2912         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2913         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2914         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2915         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2916         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2917         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2918         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2919 }
2920
2921 void
2922 updatenumlockmask(void)
2923 {
2924         unsigned int            i, j;
2925         XModifierKeymap         *modmap;
2926
2927         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2928         numlockmask = 0;
2929         modmap = XGetModifierMapping(display);
2930         for (i = 0; i < 8; i++)
2931                 for (j = 0; j < modmap->max_keypermod; j++)
2932                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2933                           == XKeysymToKeycode(display, XK_Num_Lock))
2934                                 numlockmask = (1 << i);
2935
2936         XFreeModifiermap(modmap);
2937 }
2938
2939 void
2940 grabkeys(void)
2941 {
2942         unsigned int            i, j, k;
2943         KeyCode                 code;
2944         unsigned int            modifiers[] =
2945             { 0, LockMask, numlockmask, numlockmask | LockMask };
2946
2947         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2948         updatenumlockmask();
2949
2950         for (k = 0; k < ScreenCount(display); k++) {
2951                 if (TAILQ_EMPTY(&screens[k].rl))
2952                         continue;
2953                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2954                 for (i = 0; i < keys_length; i++) {
2955                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2956                                 for (j = 0; j < LENGTH(modifiers); j++)
2957                                         XGrabKey(display, code,
2958                                             keys[i].mod | modifiers[j],
2959                                             screens[k].root, True,
2960                                             GrabModeAsync, GrabModeAsync);
2961                 }
2962         }
2963 }
2964
2965 void
2966 grabbuttons(struct ws_win *win, int focused)
2967 {
2968         unsigned int            i, j;
2969         unsigned int            modifiers[] =
2970             { 0, LockMask, numlockmask, numlockmask|LockMask };
2971
2972         updatenumlockmask();
2973         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2974         if(focused) {
2975                 for (i = 0; i < LENGTH(buttons); i++)
2976                         if (buttons[i].action == client_click)
2977                                 for (j = 0; j < LENGTH(modifiers); j++)
2978                                         XGrabButton(display, buttons[i].button,
2979                                             buttons[i].mask | modifiers[j],
2980                                             win->id, False, BUTTONMASK,
2981                                             GrabModeAsync, GrabModeSync, None,
2982                                             None);
2983         } else
2984                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2985                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2986 }
2987
2988 const char *quirkname[] = {
2989         "NONE",         /* config string for "no value" */
2990         "FLOAT",
2991         "TRANSSZ",
2992         "ANYWHERE",
2993         "XTERM_FONTADJ",
2994         "FULLSCREEN",
2995 };
2996
2997 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
2998 #define SWM_Q_WS                "\n|+ \t"
2999 int
3000 parsequirks(char *qstr, unsigned long *quirk)
3001 {
3002         char                    *cp, *name;
3003         int                     i;
3004
3005         if (quirk == NULL)
3006                 return (1);
3007
3008         cp = qstr;
3009         *quirk = 0;
3010         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3011                 if (cp)
3012                         cp += (long)strspn(cp, SWM_Q_WS);
3013                 for (i = 0; i < LENGTH(quirkname); i++) {
3014                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3015                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3016                                 if (i == 0) {
3017                                         *quirk = 0;
3018                                         return (0);
3019                                 }
3020                                 *quirk |= 1 << (i-1);
3021                                 break;
3022                         }
3023                 }
3024                 if (i >= LENGTH(quirkname)) {
3025                         DNPRINTF(SWM_D_QUIRK,
3026                             "parsequirks: invalid quirk [%s]\n", name);
3027                         return (1);
3028                 }
3029         }
3030         return (0);
3031 }
3032
3033 void
3034 setquirk(const char *class, const char *name, const int quirk)
3035 {
3036         int                     i, j;
3037
3038         /* find existing */
3039         for (i = 0; i < quirks_length; i++) {
3040                 if (!strcmp(quirks[i].class, class) &&
3041                     !strcmp(quirks[i].name, name)) {
3042                         if (!quirk) {
3043                                 /* found: delete */
3044                                 DNPRINTF(SWM_D_QUIRK,
3045                                     "setquirk: delete #%d %s:%s\n",
3046                                     i, quirks[i].class, quirks[i].name);
3047                                 free(quirks[i].class);
3048                                 free(quirks[i].name);
3049                                 j = quirks_length - 1;
3050                                 if (i < j)
3051                                         quirks[i] = quirks[j];
3052                                 quirks_length--;
3053                                 return;
3054                         } else {
3055                                 /* found: replace */
3056                                 DNPRINTF(SWM_D_QUIRK,
3057                                     "setquirk: replace #%d %s:%s\n",
3058                                     i, quirks[i].class, quirks[i].name);
3059                                 free(quirks[i].class);
3060                                 free(quirks[i].name);
3061                                 quirks[i].class = strdup(class);
3062                                 quirks[i].name = strdup(name);
3063                                 quirks[i].quirk = quirk;
3064                                 return;
3065                         }
3066                 }
3067         }
3068         if (!quirk) {
3069                 fprintf(stderr,
3070                     "error: setquirk: cannot find class/name combination");
3071                 return;
3072         }
3073         /* not found: add */
3074         if (quirks_size == 0 || quirks == NULL) {
3075                 quirks_size = 4;
3076                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3077                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3078                 if (!quirks) {
3079                         fprintf(stderr, "setquirk: malloc failed\n");
3080                         perror(" failed");
3081                         quit(NULL, NULL);
3082                 }
3083         } else if (quirks_length == quirks_size) {
3084                 quirks_size *= 2;
3085                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3086                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3087                 if (!quirks) {
3088                         fprintf(stderr, "setquirk: realloc failed\n");
3089                         perror(" failed");
3090                         quit(NULL, NULL);
3091                 }
3092         }
3093         if (quirks_length < quirks_size) {
3094                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3095                 j = quirks_length++;
3096                 quirks[j].class = strdup(class);
3097                 quirks[j].name = strdup(name);
3098                 quirks[j].quirk = quirk;
3099         } else {
3100                 fprintf(stderr, "quirks array problem?\n");
3101                 if (!quirks) {
3102                         fprintf(stderr, "quirks array problem!\n");
3103                         quit(NULL, NULL);
3104                 }
3105         }
3106 }
3107
3108 int
3109 setconfquirk(char *selector, char *value, int flags)
3110 {
3111         char                    *cp, *class, *name;
3112         int                     retval;
3113         unsigned long           quirks;
3114         if (selector == NULL)
3115                 return (0);
3116         if ((cp = strchr(selector, ':')) == NULL)
3117                 return (0);
3118         *cp = '\0';
3119         class = selector;
3120         name = cp + 1;
3121         if ((retval = parsequirks(value, &quirks)) == 0)
3122                 setquirk(class, name, quirks);
3123         return (retval);
3124 }
3125
3126 void
3127 setup_quirks(void)
3128 {
3129         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3130         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3131         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3132         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3133         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3134         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3135         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3136         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3137         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3138         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3139         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3140         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3141         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3142 }
3143
3144 /* conf file stuff */
3145 #define SWM_CONF_FILE   "scrotwm.conf"
3146
3147 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3148           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3149           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3150           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3151           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3152
3153 int
3154 setconfvalue(char *selector, char *value, int flags)
3155 {
3156         switch (flags) {
3157         case SWM_S_BAR_DELAY:
3158                 bar_delay = atoi(value);
3159                 break;
3160         case SWM_S_BAR_ENABLED:
3161                 bar_enabled = atoi(value);
3162                 break;
3163         case SWM_S_STACK_ENABLED:
3164                 stack_enabled = atoi(value);
3165                 break;
3166         case SWM_S_CLOCK_ENABLED:
3167                 clock_enabled = atoi(value);
3168                 break;
3169         case SWM_S_CYCLE_EMPTY:
3170                 cycle_empty = atoi(value);
3171                 break;
3172         case SWM_S_CYCLE_VISIBLE:
3173                 cycle_visible = atoi(value);
3174                 break;
3175         case SWM_S_SS_ENABLED:
3176                 ss_enabled = atoi(value);
3177                 break;
3178         case SWM_S_TERM_WIDTH:
3179                 term_width = atoi(value);
3180                 break;
3181         case SWM_S_TITLE_CLASS_ENABLED:
3182                 title_class_enabled = atoi(value);
3183                 break;
3184         case SWM_S_TITLE_NAME_ENABLED:
3185                 title_name_enabled = atoi(value);
3186                 break;
3187         case SWM_S_BAR_FONT:
3188                 free(bar_fonts[0]);
3189                 if ((bar_fonts[0] = strdup(value)) == NULL)
3190                         err(1, "setconfvalue: bar_font");
3191                 break;
3192         case SWM_S_BAR_ACTION:
3193                 free(bar_argv[0]);
3194                 if ((bar_argv[0] = strdup(value)) == NULL)
3195                         err(1, "setconfvalue: bar_action");
3196                 break;
3197         case SWM_S_SPAWN_TERM:
3198                 free(spawn_term[0]);
3199                 if ((spawn_term[0] = strdup(value)) == NULL)
3200                         err(1, "setconfvalue: spawn_term");
3201                 break;
3202         case SWM_S_SS_APP:
3203                 break;
3204         case SWM_S_DIALOG_RATIO:
3205                 dialog_ratio = atof(value);
3206                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3207                         dialog_ratio = .6;
3208                 break;
3209         default:
3210                 return (1);
3211         }
3212         return (0);
3213 }
3214
3215 int
3216 setconfmodkey(char *selector, char *value, int flags)
3217 {
3218         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3219                 update_modkey(Mod1Mask);
3220         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3221                 update_modkey(Mod2Mask);
3222         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3223                 update_modkey(Mod3Mask);
3224         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3225                 update_modkey(Mod4Mask);
3226         else
3227                 return (1);
3228         return (0);
3229 }
3230
3231 int
3232 setconfcolor(char *selector, char *value, int flags)
3233 {
3234         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3235         return (0);
3236 }
3237
3238 int
3239 setconfregion(char *selector, char *value, int flags)
3240 {
3241         custom_region(value);
3242         return (0);
3243 }
3244
3245 /* config options */
3246 struct config_option {
3247         char                    *optname;
3248         int (*func)(char*, char*, int);
3249         int funcflags;
3250 };
3251 struct config_option configopt[] = {
3252         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3253         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3254         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3255         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3256         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3257         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3258         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3259         { "bind",                       setconfbinding, 0 },
3260         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3261         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3262         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3263         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3264         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3265         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3266         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3267         { "modkey",                     setconfmodkey,  0 },
3268         { "program",                    setconfspawn,   0 },
3269         { "quirk",                      setconfquirk,   0 },
3270         { "region",                     setconfregion,  0 },
3271         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3272         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3273         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3274         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3275         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3276         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3277 };
3278
3279
3280 int
3281 conf_load(char *filename)
3282 {
3283         FILE                    *config;
3284         char                    *line, *cp, *optsub, *optval;
3285         size_t                  linelen, lineno = 0;
3286         int                     wordlen, i, optind;
3287         struct config_option    *opt;
3288
3289         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3290
3291         if (filename == NULL) {
3292                 fprintf(stderr, "conf_load: no filename\n");
3293                 return (1);
3294         }
3295         if ((config = fopen(filename, "r")) == NULL) {
3296                 warn("conf_load: fopen");
3297                 return (1);
3298         }
3299
3300         while (!feof(config)) {
3301                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3302                     == NULL) {
3303                         if (ferror(config))
3304                                 err(1, "%s", filename);
3305                         else
3306                                 continue;
3307                 }
3308                 cp = line;
3309                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3310                 if (cp[0] == '\0') {
3311                         /* empty line */
3312                         free(line);
3313                         continue;
3314                 }
3315                 /* get config option */
3316                 wordlen = strcspn(cp, "=[ \t\n");
3317                 if (wordlen == 0) {
3318                         warnx("%s: line %zd: no option found",
3319                             filename, lineno);
3320                         return (1);
3321                 }
3322                 optind = -1;
3323                 for (i = 0; i < LENGTH(configopt); i++) {
3324                         opt = &configopt[i];
3325                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3326                             strlen(opt->optname) == wordlen) {
3327                                 optind = i;
3328                                 break;
3329                         }
3330                 }
3331                 if (optind == -1) {
3332                         warnx("%s: line %zd: unknown option %.*s",
3333                             filename, lineno, wordlen, cp);
3334                         return (1);
3335                 }
3336                 cp += wordlen;
3337                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3338                 /* get [selector] if any */
3339                 optsub = NULL;
3340                 if (*cp == '[') {
3341                         cp++;
3342                         wordlen = strcspn(cp, "]");
3343                         if (*cp != ']') {
3344                                 if (wordlen == 0) {
3345                                         warnx("%s: line %zd: syntax error",
3346                                             filename, lineno);
3347                                         return (1);
3348                                 }
3349                                 asprintf(&optsub, "%.*s", wordlen, cp);
3350                         }
3351                         cp += wordlen;
3352                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3353                 }
3354                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3355                 /* get RHS value */
3356                 optval = strdup(cp);
3357                 /* call function to deal with it all */
3358                 if (configopt[optind].func(optsub, optval,
3359                     configopt[optind].funcflags) != 0) {
3360                         fprintf(stderr, "%s line %zd: %s\n",
3361                             filename, lineno, line);
3362                         errx(1, "%s: line %zd: invalid data for %s",
3363                             filename, lineno, configopt[optind].optname);
3364                 }
3365                 free(optval);
3366                 free(optsub);
3367                 free(line);
3368         }
3369
3370         fclose(config);
3371         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3372
3373         return (0);
3374 }
3375
3376 struct ws_win *
3377 manage_window(Window id)
3378 {
3379         Window                  trans = 0;
3380         struct workspace        *ws;
3381         struct ws_win           *win, *ww, *parent;
3382         int                     format, i, ws_idx, n, border_me = 0;
3383         unsigned long           nitems, bytes;
3384         Atom                    ws_idx_atom = 0, type;
3385         Atom                    *prot = NULL, *pp;
3386         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3387         struct swm_region       *r;
3388         long                    mask;
3389         const char              *errstr;
3390         XWindowChanges          wc;
3391
3392         if ((win = find_window(id)) != NULL)
3393                         return (win);   /* already being managed */
3394
3395         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3396                 errx(1, "calloc: failed to allocate memory for new window");
3397
3398         /* Get all the window data in one shot */
3399         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3400         if (ws_idx_atom)
3401                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3402                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3403         XGetWindowAttributes(display, id, &win->wa);
3404         XGetWMNormalHints(display, id, &win->sh, &mask);
3405         XGetTransientForHint(display, id, &trans);
3406         if (trans) {
3407                 win->transient = trans;
3408                 parent = find_window(win->transient);
3409                 if (parent)
3410                         parent->child_trans = win;
3411                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3412                     (unsigned)win->id, win->transient);
3413         }
3414         /* get supported protocols */
3415         if (XGetWMProtocols(display, id, &prot, &n)) {
3416                 for (i = 0, pp = prot; i < n; i++, pp++) {
3417                         if (*pp == takefocus)
3418                                 win->take_focus = 1;
3419                         if (*pp == adelete)
3420                                 win->can_delete = 1;
3421                 }
3422                 if (prot)
3423                         XFree(prot);
3424         }
3425
3426         /*
3427          * Figure out where to put the window. If it was previously assigned to
3428          * a workspace (either by spawn() or manually moving), and isn't
3429          * transient, * put it in the same workspace
3430          */
3431         r = root_to_region(win->wa.root);
3432         if (prop && win->transient == 0) {
3433                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3434                 ws_idx = strtonum(prop, 0, 9, &errstr);
3435                 if (errstr) {
3436                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3437                             errstr, prop);
3438                 }
3439                 ws = &r->s->ws[ws_idx];
3440         } else {
3441                 ws = r->ws;
3442                 /* this should launch transients in the same ws as parent */
3443                 if (id && trans)
3444                         if ((ww = find_window(trans)) != NULL)
3445                                 if (ws->r) {
3446                                         ws = ww->ws;
3447                                         if (ww->ws->r)
3448                                                 r = ww->ws->r;
3449                                         else
3450                                                 fprintf(stderr,
3451                                                     "fix this bug mcbride\n");
3452                                         border_me = 1;
3453                                 }
3454         }
3455
3456         /* set up the window layout */
3457         win->id = id;
3458         win->ws = ws;
3459         win->s = r->s;  /* this never changes */
3460         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3461
3462         win->g.w = win->wa.width;
3463         win->g.h = win->wa.height;
3464         win->g.x = win->wa.x;
3465         win->g.y = win->wa.y;
3466
3467         /* Set window properties so we can remember this after reincarnation */
3468         if (ws_idx_atom && prop == NULL &&
3469             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3470                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3471                     ws_idx_str);
3472                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3473                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3474         }
3475         XFree(prop);
3476
3477         if (XGetClassHint(display, win->id, &win->ch)) {
3478                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3479                     win->ch.res_class, win->ch.res_name);
3480
3481                 /* java is retarded so treat it special */
3482                 if (strstr(win->ch.res_name, "sun-awt"))
3483                         win->java = 1;
3484
3485                 for (i = 0; i < quirks_length; i++){
3486                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3487                             !strcmp(win->ch.res_name, quirks[i].name)) {
3488                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3489                                     win->ch.res_class, win->ch.res_name);
3490                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3491                                         win->floating = 1;
3492                                 win->quirks = quirks[i].quirk;
3493                         }
3494                 }
3495         }
3496
3497         /* alter window position if quirky */
3498         if (win->quirks & SWM_Q_ANYWHERE) {
3499                 win->manual = 1; /* don't center the quirky windows */
3500                 bzero(&wc, sizeof wc);
3501                 mask = 0;
3502                 if (win->g.y < bar_height) {
3503                         win->g.y = wc.y = bar_height;
3504                         mask |= CWY;
3505                 }
3506                 if (win->g.w + win->g.x > WIDTH(r)) {
3507                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3508                         mask |= CWX;
3509                 }
3510                 border_me = 1;
3511         }
3512
3513         /* Reset font sizes (the bruteforce way; no default keybinding). */
3514         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3515                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3516                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3517                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3518                         fake_keypress(win, XK_KP_Add, ShiftMask);
3519         }
3520
3521         /* border me */
3522         if (border_me) {
3523                 bzero(&wc, sizeof wc);
3524                 wc.border_width = 1;
3525                 mask = CWBorderWidth;
3526                 XConfigureWindow(display, win->id, mask, &wc);
3527         }
3528
3529         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3530             PropertyChangeMask | StructureNotifyMask);
3531
3532         set_win_state(win, NormalState);
3533
3534         /* floaters need to be mapped if they are in the current workspace */
3535         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3536                 XMapRaised(display, win->id);
3537
3538         return (win);
3539 }
3540
3541 void
3542 unmanage_window(struct ws_win *win)
3543 {
3544         struct workspace        *ws;
3545         struct ws_win           *parent;
3546
3547         if (win == NULL)
3548                 return;
3549
3550         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3551
3552         /* needed for restart wm */
3553         set_win_state(win, WithdrawnState);
3554
3555         if (win->transient) {
3556                 parent = find_window(win->transient);
3557                 if (parent)
3558                         parent->child_trans = NULL;
3559         }
3560
3561         ws = win->ws;
3562         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3563         if (win->ch.res_class)
3564                 XFree(win->ch.res_class);
3565         if (win->ch.res_name)
3566                 XFree(win->ch.res_name);
3567         free(win);
3568 }
3569
3570 void
3571 focus_magic(struct ws_win *win)
3572 {
3573         if (win->child_trans) {
3574                 /* win = parent & has a transient so focus on that */
3575                 if (win->java) {
3576                         focus_win(win->child_trans);
3577                         if (win->child_trans->take_focus)
3578                                 client_msg(win, takefocus);
3579                 } else {
3580                         focus_win(win->child_trans);
3581                         if (win->child_trans->take_focus)
3582                                 client_msg(win->child_trans, takefocus);
3583                 }
3584         } else {
3585                 /* regular focus */
3586                 focus_win(win);
3587                 if (win->take_focus)
3588                         client_msg(win, takefocus);
3589         }
3590 }
3591
3592 void
3593 expose(XEvent *e)
3594 {
3595         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3596 }
3597
3598 void
3599 keypress(XEvent *e)
3600 {
3601         unsigned int            i;
3602         KeySym                  keysym;
3603         XKeyEvent               *ev = &e->xkey;
3604
3605         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3606
3607         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3608         for (i = 0; i < keys_length; i++)
3609                 if (keysym == keys[i].keysym
3610                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3611                    && keyfuncs[keys[i].funcid].func) {
3612                         if (keys[i].funcid == kf_spawn_custom)
3613                                 spawn_custom(
3614                                     root_to_region(ev->root),
3615                                     &(keyfuncs[keys[i].funcid].args),
3616                                     keys[i].spawn_name
3617                                     );
3618                         else
3619                                 keyfuncs[keys[i].funcid].func(
3620                                     root_to_region(ev->root),
3621                                     &(keyfuncs[keys[i].funcid].args)
3622                                     );
3623                 }
3624 }
3625
3626 void
3627 buttonpress(XEvent *e)
3628 {
3629         XButtonPressedEvent     *ev = &e->xbutton;
3630
3631         struct ws_win           *win;
3632         int                     i, action;
3633
3634         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3635
3636         action = root_click;
3637         if ((win = find_window(ev->window)) == NULL)
3638                 return;
3639
3640         focus_magic(win);
3641         action = client_click;
3642
3643         for (i = 0; i < LENGTH(buttons); i++)
3644                 if (action == buttons[i].action && buttons[i].func &&
3645                     buttons[i].button == ev->button &&
3646                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3647                         buttons[i].func(win, &buttons[i].args);
3648 }
3649
3650 void
3651 configurerequest(XEvent *e)
3652 {
3653         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3654         struct ws_win           *win;
3655         int                     new = 0;
3656         XWindowChanges          wc;
3657
3658         if ((win = find_window(ev->window)) == NULL)
3659                 new = 1;
3660
3661         if (new) {
3662                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3663                     ev->window);
3664                 bzero(&wc, sizeof wc);
3665                 wc.x = ev->x;
3666                 wc.y = ev->y;
3667                 wc.width = ev->width;
3668                 wc.height = ev->height;
3669                 wc.border_width = ev->border_width;
3670                 wc.sibling = ev->above;
3671                 wc.stack_mode = ev->detail;
3672                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3673         } else {
3674                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3675                     ev->window);
3676                 if (win->floating) {
3677                         if (ev->value_mask & CWX)
3678                                 win->g.x = ev->x;
3679                         if (ev->value_mask & CWY)
3680                                 win->g.y = ev->y;
3681                         if (ev->value_mask & CWWidth)
3682                                 win->g.w = ev->width;
3683                         if (ev->value_mask & CWHeight)
3684                                 win->g.h = ev->height;
3685                         if (win->ws->r != NULL) {
3686                                 /* this seems to be full screen */
3687                                 if (win->g.w >= WIDTH(win->ws->r)) {
3688                                         win->g.x = 0;
3689                                         win->g.w = WIDTH(win->ws->r);
3690                                         ev->value_mask |= CWX | CWWidth;
3691                                 }
3692                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3693                                         /* kill border */
3694                                         win->g.y = 0;
3695                                         win->g.h = HEIGHT(win->ws->r);
3696                                         ev->value_mask |= CWY | CWHeight;
3697                                 }
3698                         }
3699                         if ((ev->value_mask & (CWX | CWY)) &&
3700                             !(ev->value_mask & (CWWidth | CWHeight)))
3701                                 config_win(win);
3702                         XMoveResizeWindow(display, win->id,
3703                             win->g.x, win->g.y, win->g.w, win->g.h);
3704                 } else
3705                         config_win(win);
3706         }
3707 }
3708
3709 void
3710 configurenotify(XEvent *e)
3711 {
3712         struct ws_win           *win;
3713         long                    mask;
3714
3715         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3716             e->xconfigure.window);
3717
3718         XMapWindow(display, e->xconfigure.window);
3719         win = find_window(e->xconfigure.window);
3720         if (win) {
3721                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3722                 adjust_font(win);
3723                 XMapWindow(display, win->id);
3724                 if (font_adjusted)
3725                         stack();
3726         }
3727 }
3728
3729 void
3730 destroynotify(XEvent *e)
3731 {
3732         struct ws_win           *win, *winfocus = NULL;
3733         struct workspace        *ws;
3734         struct ws_win_list      *wl;
3735         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3736
3737         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3738
3739         if ((win = find_window(ev->window)) != NULL) {
3740                 /* find a window to focus */
3741                 ws = win->ws;
3742                 wl = &ws->winlist;
3743
3744                 /* if we are transient give focus to parent */
3745                 if (win->transient)
3746                         winfocus = find_window(win->transient);
3747                 else if (ws->focus == win) {
3748                         /* if in max_stack try harder */
3749                         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3750                                 if (win != ws->focus_prev)
3751                                         winfocus = ws->focus_prev;
3752                                 else if (win != ws->focus)
3753                                         winfocus = ws->focus;
3754                         }
3755
3756                         /* fallback and normal handling */
3757                         if (winfocus == NULL) {
3758                                 if (TAILQ_FIRST(wl) == win)
3759                                         winfocus = TAILQ_NEXT(win, entry);
3760                                 else {
3761                                         winfocus = TAILQ_PREV(ws->focus,
3762                                             ws_win_list, entry);
3763                                         if (winfocus == NULL)
3764                                                 winfocus = TAILQ_LAST(wl,
3765                                                     ws_win_list);
3766                                 }
3767                         }
3768                 }
3769                 unmanage_window(win);
3770
3771                 ignore_enter = 1;
3772                 stack();
3773                 if (winfocus)
3774                         focus_win(winfocus);
3775                 ignore_enter = 0;
3776         }
3777 }
3778
3779 void
3780 enternotify(XEvent *e)
3781 {
3782         XCrossingEvent          *ev = &e->xcrossing;
3783         struct ws_win           *win;
3784
3785         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3786
3787         if (ignore_enter) {
3788                 /* eat event(r) to prevent autofocus */
3789                 ignore_enter = 0;
3790                 return;
3791         }
3792         /*
3793          * happens when a window is created or destroyed and the border
3794          * crosses the mouse pointer
3795          */
3796         if (QLength(display))
3797                 return;
3798
3799         if ((win = find_window(ev->window)) == NULL)
3800                 return;
3801
3802         focus_magic(win);
3803 }
3804
3805 void
3806 focusin(XEvent *e)
3807 {
3808         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3809 }
3810
3811 void
3812 focusout(XEvent *e)
3813 {
3814         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3815 }
3816
3817 void
3818 mapnotify(XEvent *e)
3819 {
3820         struct ws_win           *win;
3821         XMapEvent               *ev = &e->xmap;
3822
3823         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3824
3825         win = find_window(ev->window);
3826         if (win)
3827                 set_win_state(win, NormalState);
3828 }
3829
3830 void
3831 mappingnotify(XEvent *e)
3832 {
3833         XMappingEvent           *ev = &e->xmapping;
3834
3835         XRefreshKeyboardMapping(ev);
3836         if (ev->request == MappingKeyboard)
3837                 grabkeys();
3838 }
3839
3840 void
3841 maprequest(XEvent *e)
3842 {
3843         struct ws_win           *win;
3844         struct swm_region       *r;
3845
3846         XMapRequestEvent        *ev = &e->xmaprequest;
3847         XWindowAttributes       wa;
3848
3849         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3850             e->xmaprequest.window);
3851
3852         if (!XGetWindowAttributes(display, ev->window, &wa))
3853                 return;
3854         if (wa.override_redirect)
3855                 return;
3856
3857         win = manage_window(e->xmaprequest.window);
3858         if (win == NULL)
3859                 return; /* can't happen */
3860
3861         ignore_enter = 1;
3862         stack();
3863         ignore_enter = 0;
3864
3865         /* make new win focused */
3866         r = root_to_region(win->wa.root);
3867         if (win->ws == r->ws)
3868                 focus_win(win);
3869 }
3870
3871 void
3872 propertynotify(XEvent *e)
3873 {
3874         struct ws_win           *win;
3875         XPropertyEvent          *ev = &e->xproperty;
3876
3877         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3878             ev->window);
3879
3880         if (ev->state == PropertyDelete)
3881                 return; /* ignore */
3882         win = find_window(ev->window);
3883         if (win == NULL)
3884                 return;
3885
3886         switch (ev->atom) {
3887         case XA_WM_NORMAL_HINTS:
3888 #if 0
3889                 long            mask;
3890                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3891                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3892                 if (win->sh.flags & PMinSize) {
3893                         win->g.w = win->sh.min_width;
3894                         win->g.h = win->sh.min_height;
3895                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3896                 }
3897                 XMoveResizeWindow(display, win->id,
3898                     win->g.x, win->g.y, win->g.w, win->g.h);
3899 #endif
3900                 break;
3901         default:
3902                 break;
3903         }
3904 }
3905
3906 void
3907 unmapnotify(XEvent *e)
3908 {
3909         struct ws_win           *win, *winfocus = NULL;
3910         struct workspace        *ws;
3911
3912         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3913
3914         /* determine if we need to help unmanage this window */
3915         win = find_window(e->xunmap.window);
3916         if (win == NULL)
3917                 return;
3918
3919         /* java can not deal with this heuristic */
3920         if (win->java)
3921                 return;
3922
3923         if (getstate(e->xunmap.window) == NormalState) {
3924                 /*
3925                  * this window does not have a destroy event but but it is no
3926                  * longer visible due to the app unmapping it so unmanage it
3927                  */
3928                 ws = win->ws;
3929                 /* if we are max_stack try harder to focus on something */
3930                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3931                         if (win->transient)
3932                                 winfocus = find_window(win->transient);
3933                         else if (win != ws->focus_prev)
3934                                 winfocus = ws->focus_prev;
3935                         else if (win != ws->focus)
3936                                 winfocus = ws->focus;
3937                 }
3938
3939                 /* normal and fallback if haven't found anything to focus on */
3940                 if (winfocus == NULL) {
3941                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3942                         if (TAILQ_FIRST(&ws->winlist) == win)
3943                                 winfocus = TAILQ_NEXT(win, entry);
3944                         else {
3945                                 if (ws->focus)
3946                                         winfocus = TAILQ_PREV(ws->focus,
3947                                             ws_win_list, entry);
3948                                 if (winfocus == NULL)
3949                                         winfocus = TAILQ_LAST(&ws->winlist,
3950                                             ws_win_list);
3951                         }
3952                 }
3953
3954                 /* trash window and refocus */
3955                 unmanage_window(win);
3956                 ignore_enter = 1;
3957                 stack();
3958                 focus_win(winfocus);
3959                 ignore_enter = 0;
3960         }
3961 }
3962
3963 void
3964 visibilitynotify(XEvent *e)
3965 {
3966         int                     i;
3967         struct swm_region       *r;
3968
3969         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
3970             e->xvisibility.window);
3971         if (e->xvisibility.state == VisibilityUnobscured)
3972                 for (i = 0; i < ScreenCount(display); i++)
3973                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3974                                 if (e->xvisibility.window == r->bar_window)
3975                                         bar_update();
3976 }
3977
3978 int
3979 xerror_start(Display *d, XErrorEvent *ee)
3980 {
3981         other_wm = 1;
3982         return (-1);
3983 }
3984
3985 int
3986 xerror(Display *d, XErrorEvent *ee)
3987 {
3988         /* fprintf(stderr, "error: %p %p\n", display, ee); */
3989         return (-1);
3990 }
3991
3992 int
3993 active_wm(void)
3994 {
3995         other_wm = 0;
3996         xerrorxlib = XSetErrorHandler(xerror_start);
3997
3998         /* this causes an error if some other window manager is running */
3999         XSelectInput(display, DefaultRootWindow(display),
4000             SubstructureRedirectMask);
4001         XSync(display, False);
4002         if (other_wm)
4003                 return (1);
4004
4005         XSetErrorHandler(xerror);
4006         XSync(display, False);
4007         return (0);
4008 }
4009
4010 void
4011 new_region(struct swm_screen *s, int x, int y, int w, int h)
4012 {
4013         struct swm_region       *r, *n;
4014         struct workspace        *ws = NULL;
4015         int                     i;
4016
4017         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4018              s->idx, w, h, x, y);
4019
4020         /* remove any conflicting regions */
4021         n = TAILQ_FIRST(&s->rl);
4022         while (n) {
4023                 r = n;
4024                 n = TAILQ_NEXT(r, entry);
4025                 if (X(r) < (x + w) &&
4026                     (X(r) + WIDTH(r)) > x &&
4027                     Y(r) < (y + h) &&
4028                     (Y(r) + HEIGHT(r)) > y) {
4029                         XDestroyWindow(display, r->bar_window);
4030                         TAILQ_REMOVE(&s->rl, r, entry);
4031                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4032                 }
4033         }
4034
4035         /* search old regions for one to reuse */
4036
4037         /* size + location match */
4038         TAILQ_FOREACH(r, &s->orl, entry)
4039                 if (X(r) == x && Y(r) == y &&
4040                     HEIGHT(r) == h && WIDTH(r) == w)
4041                         break;
4042
4043         /* size match */
4044         TAILQ_FOREACH(r, &s->orl, entry)
4045                 if (HEIGHT(r) == h && WIDTH(r) == w)
4046                         break;
4047
4048         if (r != NULL) {
4049                 TAILQ_REMOVE(&s->orl, r, entry);
4050                 /* try to use old region's workspace */
4051                 if (r->ws->r == NULL)
4052                         ws = r->ws;
4053         } else
4054                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4055                         errx(1, "calloc: failed to allocate memory for screen");
4056
4057         /* if we don't have a workspace already, find one */
4058         if (ws == NULL) {
4059                 for (i = 0; i < SWM_WS_MAX; i++)
4060                         if (s->ws[i].r == NULL) {
4061                                 ws = &s->ws[i];
4062                                 break;
4063                         }
4064         }
4065
4066         if (ws == NULL)
4067                 errx(1, "no free workspaces\n");
4068
4069         X(r) = x;
4070         Y(r) = y;
4071         WIDTH(r) = w;
4072         HEIGHT(r) = h;
4073         r->s = s;
4074         r->ws = ws;
4075         ws->r = r;
4076         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4077 }
4078
4079 void
4080 scan_xrandr(int i)
4081 {
4082 #ifdef SWM_XRR_HAS_CRTC
4083         XRRCrtcInfo             *ci;
4084         XRRScreenResources      *sr;
4085         int                     c;
4086         int                     ncrtc = 0;
4087 #endif /* SWM_XRR_HAS_CRTC */
4088         struct swm_region       *r;
4089
4090
4091         if (i >= ScreenCount(display))
4092                 errx(1, "invalid screen");
4093
4094         /* remove any old regions */
4095         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4096                 r->ws->old_r = r->ws->r = NULL;
4097                 XDestroyWindow(display, r->bar_window);
4098                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4099                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4100         }
4101
4102         /* map virtual screens onto physical screens */
4103 #ifdef SWM_XRR_HAS_CRTC
4104         outputs = 0;
4105         if (xrandr_support) {
4106                 sr = XRRGetScreenResources(display, screens[i].root);
4107                 if (sr == NULL)
4108                         new_region(&screens[i], 0, 0,
4109                             DisplayWidth(display, i),
4110                             DisplayHeight(display, i));
4111                 else
4112                         ncrtc = sr->ncrtc;
4113
4114                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4115                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4116                         if (ci->noutput == 0)
4117                                 continue;
4118                         outputs++;
4119
4120                         if (ci != NULL && ci->mode == None)
4121                                 new_region(&screens[i], 0, 0,
4122                                     DisplayWidth(display, i),
4123                                     DisplayHeight(display, i));
4124                         else
4125                                 new_region(&screens[i],
4126                                     ci->x, ci->y, ci->width, ci->height);
4127                 }
4128                 if (ci)
4129                         XRRFreeCrtcInfo(ci);
4130                 XRRFreeScreenResources(sr);
4131         } else
4132 #endif /* SWM_XRR_HAS_CRTC */
4133         {
4134                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4135                     DisplayHeight(display, i));
4136         }
4137 }
4138
4139 void
4140 screenchange(XEvent *e) {
4141         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4142         struct swm_region               *r;
4143         int                             i;
4144
4145         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4146
4147         if (!XRRUpdateConfiguration(e))
4148                 return;
4149
4150         /* silly event doesn't include the screen index */
4151         for (i = 0; i < ScreenCount(display); i++)
4152                 if (screens[i].root == xe->root)
4153                         break;
4154         if (i >= ScreenCount(display))
4155                 errx(1, "screenchange: screen not found\n");
4156
4157         /* brute force for now, just re-enumerate the regions */
4158         scan_xrandr(i);
4159
4160         /* add bars to all regions */
4161         for (i = 0; i < ScreenCount(display); i++)
4162                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4163                         bar_setup(r);
4164         stack();
4165 }
4166
4167 void
4168 setup_screens(void)
4169 {
4170         Window                  d1, d2, *wins = NULL;
4171         XWindowAttributes       wa;
4172         unsigned int            no;
4173         int                     i, j, k;
4174         int                     errorbase, major, minor;
4175         struct workspace        *ws;
4176         int                     ws_idx_atom;
4177         long                    state, manage;
4178
4179         if ((screens = calloc(ScreenCount(display),
4180              sizeof(struct swm_screen))) == NULL)
4181                 errx(1, "calloc: screens");
4182
4183         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4184
4185         /* initial Xrandr setup */
4186         xrandr_support = XRRQueryExtension(display,
4187             &xrandr_eventbase, &errorbase);
4188         if (xrandr_support)
4189                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4190                         xrandr_support = 0;
4191
4192         /* map physical screens */
4193         for (i = 0; i < ScreenCount(display); i++) {
4194                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4195                 screens[i].idx = i;
4196                 TAILQ_INIT(&screens[i].rl);
4197                 TAILQ_INIT(&screens[i].orl);
4198                 screens[i].root = RootWindow(display, i);
4199
4200                 /* set default colors */
4201                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4202                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4203                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4204                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4205                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4206
4207                 /* init all workspaces */
4208                 /* XXX these should be dynamically allocated too */
4209                 for (j = 0; j < SWM_WS_MAX; j++) {
4210                         ws = &screens[i].ws[j];
4211                         ws->idx = j;
4212                         ws->restack = 1;
4213                         ws->focus = NULL;
4214                         ws->r = NULL;
4215                         ws->old_r = NULL;
4216                         TAILQ_INIT(&ws->winlist);
4217
4218                         for (k = 0; layouts[k].l_stack != NULL; k++)
4219                                 if (layouts[k].l_config != NULL)
4220                                         layouts[k].l_config(ws,
4221                                             SWM_ARG_ID_STACKINIT);
4222                         ws->cur_layout = &layouts[0];
4223                 }
4224                 /* grab existing windows (before we build the bars)*/
4225                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4226                         continue;
4227
4228                 scan_xrandr(i);
4229
4230                 if (xrandr_support)
4231                         XRRSelectInput(display, screens[i].root,
4232                             RRScreenChangeNotifyMask);
4233
4234                 /* attach windows to a region */
4235                 /* normal windows */
4236                 for (j = 0; j < no; j++) {
4237                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4238                             wa.override_redirect ||
4239                             XGetTransientForHint(display, wins[j], &d1))
4240                                 continue;
4241
4242                         state = getstate(wins[j]);
4243                         manage = state == NormalState || state == IconicState;
4244                         if (wa.map_state == IsViewable || manage)
4245                                 manage_window(wins[j]);
4246                 }
4247                 /* transient windows */
4248                 for (j = 0; j < no; j++) {
4249                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4250                             wa.override_redirect)
4251                                 continue;
4252
4253                         state = getstate(wins[j]);
4254                         manage = state == NormalState || state == IconicState;
4255                         if (XGetTransientForHint(display, wins[j], &d1) &&
4256                             manage)
4257                                 manage_window(wins[j]);
4258                 }
4259                 if (wins) {
4260                         XFree(wins);
4261                         wins = NULL;
4262                 }
4263         }
4264 }
4265
4266 void
4267 setup_globals(void)
4268 {
4269         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4270             == NULL)
4271                 err(1, "setup_globals: strdup");
4272         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4273             == NULL)
4274                 err(1, "setup_globals: strdup");
4275         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4276             == NULL)
4277                 err(1, "setup_globals: strdup");
4278         if ((spawn_term[0] = strdup("xterm")) == NULL)
4279                 err(1, "setup_globals: strdup");
4280 }
4281
4282 void
4283 workaround(void)
4284 {
4285         int                     i;
4286         Atom                    netwmcheck, netwmname, utf8_string;
4287         Window                  root;
4288
4289         /* work around sun jdk bugs, code from wmname */
4290         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4291         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4292         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4293         for (i = 0; i < ScreenCount(display); i++) {
4294                 root = screens[i].root;
4295                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4296                     PropModeReplace, (unsigned char *)&root, 1);
4297                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4298                     PropModeReplace, "LG3D", strlen("LG3D"));
4299         }
4300 }
4301
4302 int
4303 main(int argc, char *argv[])
4304 {
4305         struct passwd           *pwd;
4306         struct swm_region       *r, *rr;
4307         struct ws_win           *winfocus = NULL;
4308         char                    conf[PATH_MAX], *cfile = NULL;
4309         struct stat             sb;
4310         XEvent                  e;
4311         int                     xfd, i;
4312         fd_set                  rd;
4313
4314         start_argv = argv;
4315         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4316             SWM_VERSION, cvstag);
4317         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4318                 warnx("no locale support");
4319
4320         if (!(display = XOpenDisplay(0)))
4321                 errx(1, "can not open display");
4322
4323         if (active_wm())
4324                 errx(1, "other wm running");
4325
4326         /* handle some signale */
4327         installsignal(SIGINT, "INT");
4328         installsignal(SIGHUP, "HUP");
4329         installsignal(SIGQUIT, "QUIT");
4330         installsignal(SIGTERM, "TERM");
4331         installsignal(SIGCHLD, "CHLD");
4332
4333         astate = XInternAtom(display, "WM_STATE", False);
4334         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4335         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4336         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4337
4338         /* look for local and global conf file */
4339         pwd = getpwuid(getuid());
4340         if (pwd == NULL)
4341                 errx(1, "invalid user %d", getuid());
4342
4343         setup_screens();
4344         setup_globals();
4345         setup_keys();
4346         setup_quirks();
4347         setup_spawn();
4348
4349         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4350         if (stat(conf, &sb) != -1) {
4351                 if (S_ISREG(sb.st_mode))
4352                         cfile = conf;
4353         } else {
4354                 /* try global conf file */
4355                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4356                 if (!stat(conf, &sb))
4357                         if (S_ISREG(sb.st_mode))
4358                                 cfile = conf;
4359         }
4360         if (cfile)
4361                 conf_load(cfile);
4362
4363         /* setup all bars */
4364         for (i = 0; i < ScreenCount(display); i++)
4365                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4366                         if (winfocus == NULL)
4367                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4368                         bar_setup(r);
4369                 }
4370
4371         /* set some values to work around bad programs */
4372         workaround();
4373
4374         grabkeys();
4375         stack();
4376
4377         xfd = ConnectionNumber(display);
4378         while (running) {
4379                 while (XPending(display)) {
4380                         XNextEvent(display, &e);
4381                         if (running == 0)
4382                                 goto done;
4383                         if (e.type < LASTEvent) {
4384                                 dumpevent(&e);
4385                                 if (handler[e.type])
4386                                         handler[e.type](&e);
4387                                 else
4388                                         DNPRINTF(SWM_D_EVENT,
4389                                             "win: %lu unknown event: %d\n",
4390                                             e.xany.window, e.type);
4391                         } else {
4392                                 switch (e.type - xrandr_eventbase) {
4393                                 case RRScreenChangeNotify:
4394                                         screenchange(&e);
4395                                         break;
4396                                 default:
4397                                         DNPRINTF(SWM_D_EVENT,
4398                                             "win: %lu unknown xrandr event: "
4399                                             "%d\n", e.xany.window, e.type);
4400                                         break;
4401                                 }
4402                         }
4403                 }
4404
4405                 /* if we are being restarted go focus on first window */
4406                 if (winfocus) {
4407                         rr = TAILQ_FIRST(&screens[0].rl);
4408                         /* move pointer to first screen if multi screen */
4409                         if (ScreenCount(display) > 1 || outputs > 1)
4410                                 XWarpPointer(display, None, rr->s[0].root,
4411                                     0, 0, 0, 0, rr->g.x,
4412                                     rr->g.y + bar_enabled ? bar_height : 0);
4413
4414                         focus_win(winfocus);
4415                         winfocus = NULL;
4416                         continue;
4417                 }
4418
4419                 FD_ZERO(&rd);
4420                 FD_SET(xfd, &rd);
4421                 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
4422                         if (errno != EINTR)
4423                                 DNPRINTF(SWM_D_MISC, "select failed");
4424                 if (running == 0)
4425                         goto done;
4426                 if (bar_alarm) {
4427                         bar_alarm = 0;
4428                         bar_update();
4429                 }
4430         }
4431 done:
4432         bar_extra_stop();
4433
4434         XCloseDisplay(display);
4435
4436         return (0);
4437 }