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     "0.9.12"
  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                 if (target == NULL || source == NULL)
1557                         return;
1558                 source->ws->focus_prev = target;
1559                 TAILQ_REMOVE(wl, target, entry);
1560                 TAILQ_INSERT_BEFORE(source, target, entry);
1561                 TAILQ_REMOVE(wl, source, entry);
1562                 TAILQ_INSERT_HEAD(wl, source, entry);
1563                 break;
1564         default:
1565                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1566                 return;
1567         }
1568
1569         ignore_enter = 1;
1570         stack();
1571 }
1572
1573 void
1574 focus(struct swm_region *r, union arg *args)
1575 {
1576         struct ws_win           *winfocus, *winlostfocus;
1577         struct ws_win_list      *wl;
1578         struct ws_win           *cur_focus;
1579
1580         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1581
1582         cur_focus = r->ws->focus;
1583         if (cur_focus == NULL)
1584                 return;
1585
1586         wl = &cur_focus->ws->winlist;
1587
1588         winlostfocus = cur_focus;
1589
1590         switch (args->id) {
1591         case SWM_ARG_ID_FOCUSPREV:
1592                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1593                 if (winfocus == NULL)
1594                         winfocus = TAILQ_LAST(wl, ws_win_list);
1595                 break;
1596
1597         case SWM_ARG_ID_FOCUSNEXT:
1598                 winfocus = TAILQ_NEXT(cur_focus, entry);
1599                 if (winfocus == NULL)
1600                         winfocus = TAILQ_FIRST(wl);
1601                 break;
1602
1603         case SWM_ARG_ID_FOCUSMAIN:
1604                 winfocus = TAILQ_FIRST(wl);
1605                 if (winfocus == cur_focus)
1606                         winfocus = cur_focus->ws->focus_prev;
1607                 if (winfocus == NULL)
1608                         return;
1609                 break;
1610
1611         default:
1612                 return;
1613         }
1614
1615         if (winfocus == winlostfocus || winfocus == NULL)
1616                 return;
1617
1618         focus_win(winfocus);
1619 }
1620
1621 void
1622 cycle_layout(struct swm_region *r, union arg *args)
1623 {
1624         struct workspace        *ws = r->ws;
1625         struct ws_win           *winfocus, *parent = NULL;
1626
1627         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1628
1629         winfocus = ws->focus;
1630
1631         ws->cur_layout++;
1632         if (ws->cur_layout->l_stack == NULL)
1633                 ws->cur_layout = &layouts[0];
1634
1635         ignore_enter = 1;
1636         stack();
1637         /* make sure we see the parent window */
1638         if (winfocus) {
1639                 if (winfocus->transient)
1640                         parent = find_window(winfocus->transient);
1641                 if (parent)
1642                         focus_win(parent);
1643                 focus_win(winfocus);
1644         }
1645         ignore_enter = 0;
1646 }
1647
1648 void
1649 stack_config(struct swm_region *r, union arg *args)
1650 {
1651         struct workspace        *ws = r->ws;
1652
1653         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1654             args->id, ws->idx);
1655
1656         if (ws->cur_layout->l_config != NULL)
1657                 ws->cur_layout->l_config(ws, args->id);
1658
1659         if (args->id != SWM_ARG_ID_STACKINIT);
1660                 stack();
1661 }
1662
1663 void
1664 stack(void) {
1665         struct swm_geometry     g;
1666         struct swm_region       *r;
1667         int                     i, j;
1668
1669         DNPRINTF(SWM_D_STACK, "stack\n");
1670
1671         for (i = 0; i < ScreenCount(display); i++) {
1672                 j = 0;
1673                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1674                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1675                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1676
1677                         /* start with screen geometry, adjust for bar */
1678                         if (r == NULL) {
1679                                 fprintf(stderr, "illegal r\n");
1680                                 abort();
1681                         }
1682                         g = r->g;
1683                         g.w -= 2;
1684                         g.h -= 2;
1685                         if (bar_enabled) {
1686                                 g.y += bar_height;
1687                                 g.h -= bar_height;
1688                         }
1689                         if (r->ws == NULL) {
1690                                 fprintf(stderr, "illegal ws\n");
1691                                 abort();
1692                         }
1693                         if (r->ws->cur_layout == NULL) {
1694                                 fprintf(stderr, "illegal cur_layout\n");
1695                                 abort();
1696                         }
1697                         r->ws->restack = 0;
1698                         if (r->ws->cur_layout->l_stack == NULL) {
1699                                 fprintf(stderr, "illegal l_stack\n");
1700                                 abort();
1701                         }
1702                         r->ws->cur_layout->l_stack(r->ws, &g);
1703                 }
1704         }
1705         if (font_adjusted)
1706                 font_adjusted--;
1707 }
1708
1709 void
1710 stack_floater(struct ws_win *win, struct swm_region *r)
1711 {
1712         unsigned int            mask;
1713         XWindowChanges          wc;
1714
1715         if (win == NULL)
1716                 return;
1717
1718         bzero(&wc, sizeof wc);
1719         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1720         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1721             (win->g.h == HEIGHT(r)))
1722                 wc.border_width = 0;
1723         else
1724                 wc.border_width = 1;
1725         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1726                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1727                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1728         }
1729         wc.width = win->g.w;
1730         wc.height = win->g.h;
1731         if (win->manual) {
1732                 wc.x = win->g.x;
1733                 wc.y = win->g.y;
1734         } else {
1735                 wc.x = (WIDTH(r) - win->g.w) / 2;
1736                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1737         }
1738
1739         /* adjust for region */
1740         wc.x += r->g.x;
1741         wc.y += r->g.y;
1742
1743         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1744             win->id, wc.x, wc.y, wc.width, wc.height);
1745
1746         XConfigureWindow(display, win->id, mask, &wc);
1747 }
1748
1749 /*
1750  * Send keystrokes to terminal to decrease/increase the font size as the
1751  * window size changes.
1752  */
1753 void
1754 adjust_font(struct ws_win *win)
1755 {
1756         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1757             win->floating || win->transient)
1758                 return;
1759
1760         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1761             win->g.w / win->sh.width_inc < term_width &&
1762             win->font_steps < SWM_MAX_FONT_STEPS) {
1763                 win->font_size_boundary[win->font_steps] =
1764                     (win->sh.width_inc * term_width) + win->sh.base_width;
1765                 win->font_steps++;
1766                 font_adjusted++;
1767                 win->last_inc = win->sh.width_inc;
1768                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1769         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1770             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1771                 win->font_steps--;
1772                 font_adjusted++;
1773                 win->last_inc = win->sh.width_inc;
1774                 fake_keypress(win, XK_KP_Add, ShiftMask);
1775         }
1776 }
1777
1778 #define SWAPXY(g)       do {                            \
1779         int tmp;                                        \
1780         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1781         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1782 } while (0)
1783 void
1784 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1785 {
1786         XWindowChanges          wc;
1787         struct swm_geometry     win_g, r_g = *g;
1788         struct ws_win           *win;
1789         int                     i, j, s, stacks;
1790         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1791         int                     hrh, extra = 0, h_slice, last_h = 0;
1792         int                     split, colno, winno, mwin, msize, mscale;
1793         int                     remain, missing, v_slice;
1794         unsigned int            mask;
1795
1796         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1797             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1798
1799         winno = count_win(ws, 0);
1800         if (winno == 0 && count_win(ws, 1) == 0)
1801                 return;
1802
1803         TAILQ_FOREACH(win, &ws->winlist, entry)
1804                 if (win->transient == 0 && win->floating == 0)
1805                         break;
1806
1807         if (win == NULL)
1808                 goto notiles;
1809
1810         if (rot) {
1811                 w_inc = win->sh.width_inc;
1812                 w_base = win->sh.base_width;
1813                 mwin = ws->l_state.horizontal_mwin;
1814                 mscale = ws->l_state.horizontal_msize;
1815                 stacks = ws->l_state.horizontal_stacks;
1816                 SWAPXY(&r_g);
1817         } else {
1818                 w_inc = win->sh.height_inc;
1819                 w_base = win->sh.base_height;
1820                 mwin = ws->l_state.vertical_mwin;
1821                 mscale = ws->l_state.vertical_msize;
1822                 stacks = ws->l_state.vertical_stacks;
1823         }
1824         win_g = r_g;
1825
1826         if (stacks > winno - mwin)
1827                 stacks = winno - mwin;
1828         if (stacks < 1)
1829                 stacks = 1;
1830
1831         h_slice = r_g.h / SWM_H_SLICE;
1832         if (mwin && winno > mwin) {
1833                 v_slice = r_g.w / SWM_V_SLICE;
1834
1835                 split = mwin;
1836                 colno = split;
1837                 win_g.w = v_slice * mscale;
1838
1839                 if (w_inc > 1 && w_inc < v_slice) {
1840                         /* adjust for window's requested size increment */
1841                         remain = (win_g.w - w_base) % w_inc;
1842                         missing = w_inc - remain;
1843                         win_g.w -= remain;
1844                         extra += remain;
1845                 }
1846
1847                 msize = win_g.w;
1848                 if (flip)
1849                         win_g.x += r_g.w - msize;
1850         } else {
1851                 msize = -2;
1852                 colno = split = winno / stacks;
1853                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1854         }
1855         hrh = r_g.h / colno;
1856         extra = r_g.h - (colno * hrh);
1857         win_g.h = hrh - 2;
1858
1859         /*  stack all the tiled windows */
1860         i = j = 0, s = stacks;
1861         TAILQ_FOREACH(win, &ws->winlist, entry) {
1862                 if (win->transient != 0 || win->floating != 0)
1863                         continue;
1864
1865                 if (split && i == split) {
1866                         colno = (winno - mwin) / stacks;
1867                         if (s <= (winno - mwin) % stacks)
1868                                 colno++;
1869                         split = split + colno;
1870                         hrh = (r_g.h / colno);
1871                         extra = r_g.h - (colno * hrh);
1872                         if (flip)
1873                                 win_g.x = r_g.x;
1874                         else
1875                                 win_g.x += win_g.w + 2;
1876                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1877                         if (s == 1)
1878                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1879                                     stacks;
1880                         s--;
1881                         j = 0;
1882                 }
1883                 win_g.h = hrh - 2;
1884                 if (rot) {
1885                         h_inc = win->sh.width_inc;
1886                         h_base = win->sh.base_width;
1887                 } else {
1888                         h_inc = win->sh.height_inc;
1889                         h_base = win->sh.base_height;
1890                 }
1891                 if (j == colno - 1) {
1892                         win_g.h = hrh + extra;
1893                 } else if (h_inc > 1 && h_inc < h_slice) {
1894                         /* adjust for window's requested size increment */
1895                         remain = (win_g.h - h_base) % h_inc;
1896                         missing = h_inc - remain;
1897
1898                         if (missing <= extra || j == 0) {
1899                                 extra -= missing;
1900                                 win_g.h += missing;
1901                         } else {
1902                                 win_g.h -= remain;
1903                                 extra += remain;
1904                         }
1905                 }
1906
1907                 if (j == 0)
1908                         win_g.y = r_g.y;
1909                 else
1910                         win_g.y += last_h + 2;
1911
1912                 bzero(&wc, sizeof wc);
1913                 wc.border_width = 1;
1914                 if (rot) {
1915                         win->g.x = wc.x = win_g.y;
1916                         win->g.y = wc.y = win_g.x;
1917                         win->g.w = wc.width = win_g.h;
1918                         win->g.h = wc.height = win_g.w;
1919                 } else {
1920                         win->g.x = wc.x = win_g.x;
1921                         win->g.y = wc.y = win_g.y;
1922                         win->g.w = wc.width = win_g.w;
1923                         win->g.h = wc.height = win_g.h;
1924                 }
1925                 adjust_font(win);
1926                 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1927                 XConfigureWindow(display, win->id, mask, &wc);
1928                 XMapRaised(display, win->id);
1929
1930                 last_h = win_g.h;
1931                 i++;
1932                 j++;
1933         }
1934
1935  notiles:
1936         /* now, stack all the floaters and transients */
1937         TAILQ_FOREACH(win, &ws->winlist, entry) {
1938                 if (win->transient == 0 && win->floating == 0)
1939                         continue;
1940
1941                 stack_floater(win, ws->r);
1942                 XMapRaised(display, win->id);
1943         }
1944 }
1945
1946 void
1947 vertical_config(struct workspace *ws, int id)
1948 {
1949         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1950
1951         switch (id) {
1952         case SWM_ARG_ID_STACKRESET:
1953         case SWM_ARG_ID_STACKINIT:
1954                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1955                 ws->l_state.vertical_mwin = 1;
1956                 ws->l_state.vertical_stacks = 1;
1957                 break;
1958         case SWM_ARG_ID_MASTERSHRINK:
1959                 if (ws->l_state.vertical_msize > 1)
1960                         ws->l_state.vertical_msize--;
1961                 break;
1962         case SWM_ARG_ID_MASTERGROW:
1963                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1964                         ws->l_state.vertical_msize++;
1965                 break;
1966         case SWM_ARG_ID_MASTERADD:
1967                 ws->l_state.vertical_mwin++;
1968                 break;
1969         case SWM_ARG_ID_MASTERDEL:
1970                 if (ws->l_state.vertical_mwin > 0)
1971                         ws->l_state.vertical_mwin--;
1972                 break;
1973         case SWM_ARG_ID_STACKINC:
1974                 ws->l_state.vertical_stacks++;
1975                 break;
1976         case SWM_ARG_ID_STACKDEC:
1977                 if (ws->l_state.vertical_stacks > 1)
1978                         ws->l_state.vertical_stacks--;
1979                 break;
1980         default:
1981                 return;
1982         }
1983 }
1984
1985 void
1986 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1987 {
1988         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1989
1990         stack_master(ws, g, 0, 0);
1991 }
1992
1993 void
1994 horizontal_config(struct workspace *ws, int id)
1995 {
1996         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1997
1998         switch (id) {
1999         case SWM_ARG_ID_STACKRESET:
2000         case SWM_ARG_ID_STACKINIT:
2001                 ws->l_state.horizontal_mwin = 1;
2002                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2003                 ws->l_state.horizontal_stacks = 1;
2004                 break;
2005         case SWM_ARG_ID_MASTERSHRINK:
2006                 if (ws->l_state.horizontal_msize > 1)
2007                         ws->l_state.horizontal_msize--;
2008                 break;
2009         case SWM_ARG_ID_MASTERGROW:
2010                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2011                         ws->l_state.horizontal_msize++;
2012                 break;
2013         case SWM_ARG_ID_MASTERADD:
2014                 ws->l_state.horizontal_mwin++;
2015                 break;
2016         case SWM_ARG_ID_MASTERDEL:
2017                 if (ws->l_state.horizontal_mwin > 0)
2018                         ws->l_state.horizontal_mwin--;
2019                 break;
2020         case SWM_ARG_ID_STACKINC:
2021                 ws->l_state.horizontal_stacks++;
2022                 break;
2023         case SWM_ARG_ID_STACKDEC:
2024                 if (ws->l_state.horizontal_stacks > 1)
2025                         ws->l_state.horizontal_stacks--;
2026                 break;
2027         default:
2028                 return;
2029         }
2030 }
2031
2032 void
2033 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2034 {
2035         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2036
2037         stack_master(ws, g, 1, 0);
2038 }
2039
2040 /* fullscreen view */
2041 void
2042 max_stack(struct workspace *ws, struct swm_geometry *g)
2043 {
2044         XWindowChanges          wc;
2045         struct swm_geometry     gg = *g;
2046         struct ws_win           *win, *wintrans = NULL;
2047         unsigned int            mask;
2048         int                     winno;
2049
2050         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2051
2052         if (ws == NULL)
2053                 return;
2054
2055         winno = count_win(ws, 0);
2056         if (winno == 0 && count_win(ws, 1) == 0)
2057                 return;
2058
2059         TAILQ_FOREACH(win, &ws->winlist, entry) {
2060                 if (win->transient != 0) {
2061                         wintrans = win;
2062                 } else {
2063                         bzero(&wc, sizeof wc);
2064                         wc.border_width = 1;
2065                         win->g.x = wc.x = gg.x;
2066                         win->g.y = wc.y = gg.y;
2067                         win->g.w = wc.width = gg.w;
2068                         win->g.h = wc.height = gg.h;
2069                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2070                         XConfigureWindow(display, win->id, mask, &wc);
2071
2072                         /* unmap only if we don't have multi screen */
2073                         if (win != ws->focus)
2074                                 if (!(ScreenCount(display) > 1 || outputs > 1))
2075                                         unmap_window(win);
2076                 }
2077         }
2078
2079         /* put the last transient on top */
2080         if (wintrans) {
2081                 stack_floater(wintrans, ws->r);
2082                 focus_win(wintrans); /* override */
2083         }
2084 }
2085
2086 void
2087 send_to_ws(struct swm_region *r, union arg *args)
2088 {
2089         int                     wsid = args->id;
2090         struct ws_win           *win = win, *winfocus = NULL;
2091         struct workspace        *ws, *nws;
2092         Atom                    ws_idx_atom = 0;
2093         unsigned char           ws_idx_str[SWM_PROPLEN];
2094
2095         if (r && r->ws)
2096                 win = r->ws->focus;
2097         else
2098                 return;
2099         if (win == NULL)
2100                 return;
2101
2102         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2103
2104         ws = win->ws;
2105         nws = &win->s->ws[wsid];
2106
2107         /* find a window to focus */
2108         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2109         if (TAILQ_FIRST(&ws->winlist) == win)
2110                 winfocus = TAILQ_NEXT(win, entry);
2111         else {
2112                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2113                 if (winfocus == NULL)
2114                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
2115         }
2116         /* out of windows in ws so focus on nws instead if we multi screen */
2117         if (winfocus == NULL)
2118                 if (ScreenCount(display) > 1 || outputs > 1)
2119                         winfocus = win;
2120
2121         unmap_window(win);
2122         TAILQ_REMOVE(&ws->winlist, win, entry);
2123         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2124         win->ws = nws;
2125
2126         /* Try to update the window's workspace property */
2127         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2128         if (ws_idx_atom &&
2129             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2130                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2131                     ws_idx_str);
2132                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2133                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2134         }
2135
2136         if (count_win(nws, 1) == 1)
2137                 nws->focus = win;
2138         ws->restack = 1;
2139         nws->restack = 1;
2140
2141         stack();
2142         if (winfocus)
2143                 focus_win(winfocus);
2144 }
2145
2146 void
2147 wkill(struct swm_region *r, union arg *args)
2148 {
2149         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2150
2151         if(r->ws->focus == NULL)
2152                 return;
2153
2154         if (args->id == SWM_ARG_ID_KILLWINDOW)
2155                 XKillClient(display, r->ws->focus->id);
2156         else
2157                 if (r->ws->focus->can_delete)
2158                         client_msg(r->ws->focus, adelete);
2159 }
2160
2161 void
2162 floating_toggle(struct swm_region *r, union arg *args)
2163 {
2164         struct ws_win   *win = r->ws->focus;
2165
2166         if (win == NULL)
2167                 return;
2168
2169         win->floating = !win->floating;
2170         win->manual = 0;
2171         stack();
2172         focus_win(win);
2173 }
2174
2175 void
2176 resize_window(struct ws_win *win, int center)
2177 {
2178         unsigned int            mask;
2179         XWindowChanges          wc;
2180         struct swm_region       *r;
2181
2182         r = root_to_region(win->wa.root);
2183         bzero(&wc, sizeof wc);
2184         mask = CWBorderWidth | CWWidth | CWHeight;
2185         wc.border_width = 1;
2186         wc.width = win->g.w;
2187         wc.height = win->g.h;
2188         if (center == SWM_ARG_ID_CENTER) {
2189                 wc.x = (WIDTH(r) - win->g.w) / 2;
2190                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2191                 mask |= CWX | CWY;
2192         }
2193
2194         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2195             win->id, wc.x, wc.y, wc.width, wc.height);
2196
2197         XConfigureWindow(display, win->id, mask, &wc);
2198         config_win(win);
2199 }
2200
2201 void
2202 resize(struct ws_win *win, union arg *args)
2203 {
2204         XEvent                  ev;
2205         Time                    time = 0;
2206
2207         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2208             win->id, win->floating, win->transient);
2209
2210         if (!(win->transient != 0 || win->floating != 0))
2211                 return;
2212
2213         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2214             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2215                 return;
2216         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2217         do {
2218                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2219                     SubstructureRedirectMask, &ev);
2220                 switch(ev.type) {
2221                 case ConfigureRequest:
2222                 case Expose:
2223                 case MapRequest:
2224                         handler[ev.type](&ev);
2225                         break;
2226                 case MotionNotify:
2227                         if (ev.xmotion.x <= 1)
2228                                 ev.xmotion.x = 1;
2229                         if (ev.xmotion.y <= 1)
2230                                 ev.xmotion.y = 1;
2231                         win->g.w = ev.xmotion.x;
2232                         win->g.h = ev.xmotion.y;
2233
2234                         /* not free, don't sync more than 60 times / second */
2235                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2236                                 time = ev.xmotion.time;
2237                                 XSync(display, False);
2238                                 resize_window(win, args->id);
2239                         }
2240                         break;
2241                 }
2242         } while (ev.type != ButtonRelease);
2243         if (time) {
2244                 XSync(display, False);
2245                 resize_window(win, args->id);
2246         }
2247         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2248             win->g.h - 1);
2249         XUngrabPointer(display, CurrentTime);
2250
2251         /* drain events */
2252         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2253 }
2254
2255 void
2256 move_window(struct ws_win *win)
2257 {
2258         unsigned int            mask;
2259         XWindowChanges          wc;
2260         struct swm_region       *r;
2261
2262         r = root_to_region(win->wa.root);
2263         bzero(&wc, sizeof wc);
2264         mask = CWX | CWY;
2265         wc.x = win->g.x;
2266         wc.y = win->g.y;
2267
2268         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2269             win->id, wc.x, wc.y, wc.width, wc.height);
2270
2271         XConfigureWindow(display, win->id, mask, &wc);
2272         config_win(win);
2273 }
2274
2275 void
2276 move(struct ws_win *win, union arg *args)
2277 {
2278         XEvent                  ev;
2279         Time                    time = 0;
2280         int                     restack = 0;
2281
2282         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2283             win->id, win->floating, win->transient);
2284
2285         if (win->floating == 0) {
2286                 win->floating = 1;
2287                 win->manual = 1;
2288                 restack = 1;
2289         }
2290
2291         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2292             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2293                 return;
2294         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2295         do {
2296                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2297                     SubstructureRedirectMask, &ev);
2298                 switch(ev.type) {
2299                 case ConfigureRequest:
2300                 case Expose:
2301                 case MapRequest:
2302                         handler[ev.type](&ev);
2303                         break;
2304                 case MotionNotify:
2305                         win->g.x = ev.xmotion.x_root;
2306                         win->g.y = ev.xmotion.y_root;
2307
2308                         /* not free, don't sync more than 60 times / second */
2309                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2310                                 time = ev.xmotion.time;
2311                                 XSync(display, False);
2312                                 move_window(win);
2313                         }
2314                         break;
2315                 }
2316         } while (ev.type != ButtonRelease);
2317         if (time) {
2318                 XSync(display, False);
2319                 move_window(win);
2320         }
2321         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2322         XUngrabPointer(display, CurrentTime);
2323         if (restack)
2324                 stack();
2325
2326         /* drain events */
2327         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2328 }
2329
2330 /* key definitions */
2331 void
2332 dummykeyfunc(struct swm_region *r, union arg *args)
2333 {
2334 };
2335
2336 void
2337 legacyfunc(struct swm_region *r, union arg *args)
2338 {
2339 };
2340
2341 struct keyfunc {
2342         char                    name[SWM_FUNCNAME_LEN];
2343         void                    (*func)(struct swm_region *r, union arg *);
2344         union arg               args;
2345 } keyfuncs[kf_invalid + 1] = {
2346         /* name                 function        argument */
2347         { "cycle_layout",       cycle_layout,   {0} },
2348         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2349         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2350         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2351         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2352         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2353         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2354         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2355         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2356         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2357         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2358         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2359         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2360         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2361         { "spawn_menu",         legacyfunc,     {0} },
2362         { "quit",               quit,           {0} },
2363         { "restart",            restart,        {0} },
2364         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2365         { "ws_1",               switchws,       {.id = 0} },
2366         { "ws_2",               switchws,       {.id = 1} },
2367         { "ws_3",               switchws,       {.id = 2} },
2368         { "ws_4",               switchws,       {.id = 3} },
2369         { "ws_5",               switchws,       {.id = 4} },
2370         { "ws_6",               switchws,       {.id = 5} },
2371         { "ws_7",               switchws,       {.id = 6} },
2372         { "ws_8",               switchws,       {.id = 7} },
2373         { "ws_9",               switchws,       {.id = 8} },
2374         { "ws_10",              switchws,       {.id = 9} },
2375         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2376         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2377         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2378         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2379         { "mvws_1",             send_to_ws,     {.id = 0} },
2380         { "mvws_2",             send_to_ws,     {.id = 1} },
2381         { "mvws_3",             send_to_ws,     {.id = 2} },
2382         { "mvws_4",             send_to_ws,     {.id = 3} },
2383         { "mvws_5",             send_to_ws,     {.id = 4} },
2384         { "mvws_6",             send_to_ws,     {.id = 5} },
2385         { "mvws_7",             send_to_ws,     {.id = 6} },
2386         { "mvws_8",             send_to_ws,     {.id = 7} },
2387         { "mvws_9",             send_to_ws,     {.id = 8} },
2388         { "mvws_10",            send_to_ws,     {.id = 9} },
2389         { "bar_toggle",         bar_toggle,     {0} },
2390         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2391         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2392         { "screenshot_all",     legacyfunc,     {0} },
2393         { "screenshot_wind",    legacyfunc,     {0} },
2394         { "float_toggle",       floating_toggle,{0} },
2395         { "version",            version,        {0} },
2396         { "spawn_lock",         legacyfunc,     {0} },
2397         { "spawn_initscr",      legacyfunc,     {0} },
2398         { "spawn_custom",       dummykeyfunc,   {0} },
2399         { "invalid key func",   NULL,           {0} },
2400 };
2401 struct key {
2402         unsigned int            mod;
2403         KeySym                  keysym;
2404         enum keyfuncid          funcid;
2405         char                    *spawn_name;
2406 };
2407 int                             keys_size = 0, keys_length = 0;
2408 struct key                      *keys = NULL;
2409
2410 /* mouse */
2411 enum { client_click, root_click };
2412 struct button {
2413         unsigned int            action;
2414         unsigned int            mask;
2415         unsigned int            button;
2416         void                    (*func)(struct ws_win *, union arg *);
2417         union arg               args;
2418 } buttons[] = {
2419           /* action     key             mouse button    func    args */
2420         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2421         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2422         { client_click, MODKEY,         Button1,        move,   {0} },
2423 };
2424
2425 void
2426 update_modkey(unsigned int mod)
2427 {
2428         int                     i;
2429
2430         mod_key = mod;
2431         for (i = 0; i < keys_length; i++)
2432                 if (keys[i].mod & ShiftMask)
2433                         keys[i].mod = mod | ShiftMask;
2434                 else
2435                         keys[i].mod = mod;
2436
2437         for (i = 0; i < LENGTH(buttons); i++)
2438                 if (buttons[i].mask & ShiftMask)
2439                         buttons[i].mask = mod | ShiftMask;
2440                 else
2441                         buttons[i].mask = mod;
2442 }
2443
2444 /* spawn */
2445 struct spawn_prog {
2446         char                    *name;
2447         int                     argc;
2448         char                    **argv;
2449 };
2450
2451 int                             spawns_size = 0, spawns_length = 0;
2452 struct spawn_prog               *spawns = NULL;
2453
2454 void
2455 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2456 {
2457         union arg               a;
2458         struct spawn_prog       *prog = NULL;
2459         int                     i;
2460         char                    *ap, **real_args;
2461
2462         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2463
2464         /* find program */
2465         for (i = 0; i < spawns_length; i++) {
2466                 if (!strcasecmp(spawn_name, spawns[i].name))
2467                         prog = &spawns[i];
2468         }
2469         if (prog == NULL) {
2470                 fprintf(stderr, "spawn_custom: program %s not found\n",
2471                     spawn_name);
2472                 return;
2473         }
2474
2475         /* make room for expanded args */
2476         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2477                 err(1, "spawn_custom: calloc real_args");
2478
2479         /* expand spawn_args into real_args */
2480         for (i = 0; i < prog->argc; i++) {
2481                 ap = prog->argv[i];
2482                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2483                 if (!strcasecmp(ap, "$bar_border")) {
2484                         if ((real_args[i] =
2485                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2486                             == NULL)
2487                                 err(1,  "spawn_custom border color");
2488                 } else if (!strcasecmp(ap, "$bar_color")) {
2489                         if ((real_args[i] =
2490                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2491                             == NULL)
2492                                 err(1, "spawn_custom bar color");
2493                 } else if (!strcasecmp(ap, "$bar_font")) {
2494                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2495                             == NULL)
2496                                 err(1, "spawn_custom bar fonts");
2497                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2498                         if ((real_args[i] =
2499                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2500                             == NULL)
2501                                 err(1, "spawn_custom color font");
2502                 } else if (!strcasecmp(ap, "$color_focus")) {
2503                         if ((real_args[i] =
2504                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2505                             == NULL)
2506                                 err(1, "spawn_custom color focus");
2507                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2508                         if ((real_args[i] =
2509                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2510                             == NULL)
2511                                 err(1, "spawn_custom color unfocus");
2512                 } else {
2513                         /* no match --> copy as is */
2514                         if ((real_args[i] = strdup(ap)) == NULL)
2515                                 err(1, "spawn_custom strdup(ap)");
2516                 }
2517                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2518                     real_args[i]);
2519         }
2520
2521 #ifdef SWM_DEBUG
2522         if ((swm_debug & SWM_D_SPAWN) != 0) {
2523                 fprintf(stderr, "spawn_custom: result = ");
2524                 for (i = 0; i < prog->argc; i++)
2525                         fprintf(stderr, "\"%s\" ", real_args[i]);
2526                 fprintf(stderr, "\n");
2527         }
2528 #endif
2529
2530         a.argv = real_args;
2531         spawn(r, &a);
2532         for (i = 0; i < prog->argc; i++)
2533                 free(real_args[i]);
2534         free(real_args);
2535 }
2536
2537 void
2538 setspawn(struct spawn_prog *prog)
2539 {
2540         int                     i, j;
2541
2542         if (prog == NULL || prog->name == NULL)
2543                 return;
2544
2545         /* find existing */
2546         for (i = 0; i < spawns_length; i++) {
2547                 if (!strcmp(spawns[i].name, prog->name)) {
2548                         /* found */
2549                         if (prog->argv == NULL) {
2550                                 /* delete */
2551                                 DNPRINTF(SWM_D_SPAWN,
2552                                     "setspawn: delete #%d %s\n",
2553                                     i, spawns[i].name);
2554                                 free(spawns[i].name);
2555                                 for (j = 0; j < spawns[i].argc; j++)
2556                                         free(spawns[i].argv[j]);
2557                                 free(spawns[i].argv);
2558                                 j = spawns_length - 1;
2559                                 if (i < j)
2560                                         spawns[i] = spawns[j];
2561                                 spawns_length--;
2562                                 free(prog->name);
2563                         } else {
2564                                 /* replace */
2565                                 DNPRINTF(SWM_D_SPAWN,
2566                                     "setspawn: replace #%d %s\n",
2567                                     i, spawns[i].name);
2568                                 free(spawns[i].name);
2569                                 for (j = 0; j < spawns[i].argc; j++)
2570                                         free(spawns[i].argv[j]);
2571                                 free(spawns[i].argv);
2572                                 spawns[i] = *prog;
2573                         }
2574                         /* found case handled */
2575                         free(prog);
2576                         return;
2577                 }
2578         }
2579
2580         if (prog->argv == NULL) {
2581                 fprintf(stderr,
2582                     "error: setspawn: cannot find program %s", prog->name);
2583                 free(prog);
2584                 return;
2585         }
2586
2587         /* not found: add */
2588         if (spawns_size == 0 || spawns == NULL) {
2589                 spawns_size = 4;
2590                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2591                 spawns = malloc((size_t)spawns_size *
2592                     sizeof(struct spawn_prog));
2593                 if (spawns == NULL) {
2594                         fprintf(stderr, "setspawn: malloc failed\n");
2595                         perror(" failed");
2596                         quit(NULL, NULL);
2597                 }
2598         } else if (spawns_length == spawns_size) {
2599                 spawns_size *= 2;
2600                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2601                 spawns = realloc(spawns, (size_t)spawns_size *
2602                     sizeof(struct spawn_prog));
2603                 if (spawns == NULL) {
2604                         fprintf(stderr, "setspawn: realloc failed\n");
2605                         perror(" failed");
2606                         quit(NULL, NULL);
2607                 }
2608         }
2609
2610         if (spawns_length < spawns_size) {
2611                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2612                     spawns_length, prog->name);
2613                 i = spawns_length++;
2614                 spawns[i] = *prog;
2615         } else {
2616                 fprintf(stderr, "spawns array problem?\n");
2617                 if (spawns == NULL) {
2618                         fprintf(stderr, "spawns array is NULL!\n");
2619                         quit(NULL, NULL);
2620                 }
2621         }
2622         free(prog);
2623 }
2624
2625 int
2626 setconfspawn(char *selector, char *value, int flags)
2627 {
2628         struct spawn_prog       *prog;
2629         char                    *vp, *cp, *word;
2630
2631         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2632         if ((prog = calloc(1, sizeof *prog)) == NULL)
2633                 err(1, "setconfspawn: calloc prog");
2634         prog->name = strdup(selector);
2635         if (prog->name == NULL)
2636                 err(1, "setconfspawn prog->name");
2637         if ((cp = vp = strdup(value)) == NULL)
2638                 err(1, "setconfspawn: strdup(value) ");
2639         while ((word = strsep(&cp, " \t")) != NULL) {
2640                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2641                 if (cp)
2642                         cp += (long)strspn(cp, " \t");
2643                 if (strlen(word) > 0) {
2644                         prog->argc++;
2645                         prog->argv = realloc(prog->argv,
2646                             prog->argc * sizeof(char *));
2647                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2648                                 err(1, "setconfspawn: strdup");
2649                 }
2650         }
2651         free(vp);
2652
2653         setspawn(prog);
2654
2655         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2656         return (0);
2657 }
2658
2659 void
2660 setup_spawn(void)
2661 {
2662         setconfspawn("term",            "xterm",                0);
2663         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2664         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2665         setconfspawn("lock",            "xlock",                0);
2666         setconfspawn("initscr",         "initscreen.sh",        0);
2667         setconfspawn("menu",            "dmenu_run"
2668                                         " -fn $bar_font"
2669                                         " -nb $bar_color"
2670                                         " -nf $bar_font_color"
2671                                         " -sb $bar_border"
2672                                         " -sf $bar_color",      0);
2673 }
2674
2675 /* key bindings */
2676 #define SWM_MODNAME_SIZE        32
2677 #define SWM_KEY_WS              "\n+ \t"
2678 int
2679 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2680 {
2681         char                    *cp, *name;
2682         KeySym                  uks;
2683         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2684         if (mod == NULL || ks == NULL) {
2685                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2686                 return (1);
2687         }
2688         if (keystr == NULL || strlen(keystr) == 0) {
2689                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2690                 return (1);
2691         }
2692         cp = keystr;
2693         *ks = NoSymbol;
2694         *mod = 0;
2695         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2696                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2697                 if (cp)
2698                         cp += (long)strspn(cp, SWM_KEY_WS);
2699                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2700                         *mod |= currmod;
2701                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2702                         *mod |= Mod1Mask;
2703                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2704                         *mod += Mod2Mask;
2705                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2706                         *mod |= Mod3Mask;
2707                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2708                         *mod |= Mod4Mask;
2709                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2710                         *mod |= ShiftMask;
2711                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2712                         *mod |= ControlMask;
2713                 else {
2714                         *ks = XStringToKeysym(name);
2715                         XConvertCase(*ks, ks, &uks);
2716                         if (ks == NoSymbol) {
2717                                 DNPRINTF(SWM_D_KEY,
2718                                     "parsekeys: invalid key %s\n",
2719                                     name);
2720                                 return (1);
2721                         }
2722                 }
2723         }
2724         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2725         return (0);
2726 }
2727
2728 char *
2729 strdupsafe(char *str)
2730 {
2731         if (str == NULL)
2732                 return (NULL);
2733         else
2734                 return (strdup(str));
2735 }
2736
2737 void
2738 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2739 {
2740         int                     i, j;
2741         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2742             keyfuncs[kfid].name, spawn_name);
2743         /* find existing */
2744         for (i = 0; i < keys_length; i++) {
2745                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2746                         if (kfid == kf_invalid) {
2747                                 /* found: delete */
2748                                 DNPRINTF(SWM_D_KEY,
2749                                     "setkeybinding: delete #%d %s\n",
2750                                     i, keyfuncs[keys[i].funcid].name);
2751                                 free(keys[i].spawn_name);
2752                                 j = keys_length - 1;
2753                                 if (i < j)
2754                                         keys[i] = keys[j];
2755                                 keys_length--;
2756                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2757                                 return;
2758                         } else {
2759                                 /* found: replace */
2760                                 DNPRINTF(SWM_D_KEY,
2761                                     "setkeybinding: replace #%d %s %s\n",
2762                                     i, keyfuncs[keys[i].funcid].name,
2763                                     spawn_name);
2764                                 free(keys[i].spawn_name);
2765                                 keys[i].mod = mod;
2766                                 keys[i].keysym = ks;
2767                                 keys[i].funcid = kfid;
2768                                 keys[i].spawn_name = strdupsafe(spawn_name);
2769                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2770                                 return;
2771                         }
2772                 }
2773         }
2774         if (kfid == kf_invalid) {
2775                 fprintf(stderr,
2776                     "error: setkeybinding: cannot find mod/key combination");
2777                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2778                 return;
2779         }
2780         /* not found: add */
2781         if (keys_size == 0 || keys == NULL) {
2782                 keys_size = 4;
2783                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2784                 keys = malloc((size_t)keys_size * sizeof(struct key));
2785                 if (!keys) {
2786                         fprintf(stderr, "malloc failed\n");
2787                         perror(" failed");
2788                         quit(NULL, NULL);
2789                 }
2790         } else if (keys_length == keys_size) {
2791                 keys_size *= 2;
2792                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2793                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2794                 if (!keys) {
2795                         fprintf(stderr, "realloc failed\n");
2796                         perror(" failed");
2797                         quit(NULL, NULL);
2798                 }
2799         }
2800         if (keys_length < keys_size) {
2801                 j = keys_length++;
2802                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2803                     j, keyfuncs[kfid].name, spawn_name);
2804                 keys[j].mod = mod;
2805                 keys[j].keysym = ks;
2806                 keys[j].funcid = kfid;
2807                 keys[j].spawn_name = strdupsafe(spawn_name);
2808         } else {
2809                 fprintf(stderr, "keys array problem?\n");
2810                 if (!keys) {
2811                         fprintf(stderr, "keys array problem\n");
2812                         quit(NULL, NULL);
2813                 }
2814         }
2815         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2816 }
2817
2818 int
2819 setconfbinding(char *selector, char *value, int flags)
2820 {
2821         enum keyfuncid          kfid;
2822         unsigned int            mod;
2823         KeySym                  ks;
2824         int                     i;
2825         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2826         if (selector == NULL) {
2827                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2828                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2829                         kfid = kf_invalid;
2830                         setkeybinding(mod, ks, kfid, NULL);
2831                         return (0);
2832                 } else
2833                         return (1);
2834         }
2835         /* search by key function name */
2836         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2837                 if (strncasecmp(selector, keyfuncs[kfid].name,
2838                     SWM_FUNCNAME_LEN) == 0) {
2839                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2840                             selector);
2841                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2842                                 setkeybinding(mod, ks, kfid, NULL);
2843                                 return (0);
2844                         } else
2845                                 return (1);
2846                 }
2847         }
2848         /* search by custom spawn name */
2849         for (i = 0; i < spawns_length; i++) {
2850                 if (strcasecmp(selector, spawns[i].name) == 0) {
2851                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2852                             selector);
2853                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2854                                 setkeybinding(mod, ks, kf_spawn_custom,
2855                                     spawns[i].name);
2856                                 return (0);
2857                         } else
2858                                 return (1);
2859                 }
2860         }
2861         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2862         return (1);
2863 }
2864
2865 void
2866 setup_keys(void)
2867 {
2868         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2869         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2870         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2871         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2872         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2873         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2874         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2875         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2876         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2877         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2878         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2879         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2880         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2881         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2882         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2883         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2884         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2885         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2886         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2887         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2888         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2889         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2890         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2891         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2892         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2893         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2894         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2895         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2896         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2897         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2898         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2899         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2900         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2901         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2902         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2903         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2904         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2905         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2906         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2907         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2908         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2909         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2910         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2911         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2912         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2913         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2914         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2915         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2916         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2917         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2918         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2919         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2920         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2921 }
2922
2923 void
2924 updatenumlockmask(void)
2925 {
2926         unsigned int            i, j;
2927         XModifierKeymap         *modmap;
2928
2929         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2930         numlockmask = 0;
2931         modmap = XGetModifierMapping(display);
2932         for (i = 0; i < 8; i++)
2933                 for (j = 0; j < modmap->max_keypermod; j++)
2934                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2935                           == XKeysymToKeycode(display, XK_Num_Lock))
2936                                 numlockmask = (1 << i);
2937
2938         XFreeModifiermap(modmap);
2939 }
2940
2941 void
2942 grabkeys(void)
2943 {
2944         unsigned int            i, j, k;
2945         KeyCode                 code;
2946         unsigned int            modifiers[] =
2947             { 0, LockMask, numlockmask, numlockmask | LockMask };
2948
2949         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2950         updatenumlockmask();
2951
2952         for (k = 0; k < ScreenCount(display); k++) {
2953                 if (TAILQ_EMPTY(&screens[k].rl))
2954                         continue;
2955                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2956                 for (i = 0; i < keys_length; i++) {
2957                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2958                                 for (j = 0; j < LENGTH(modifiers); j++)
2959                                         XGrabKey(display, code,
2960                                             keys[i].mod | modifiers[j],
2961                                             screens[k].root, True,
2962                                             GrabModeAsync, GrabModeAsync);
2963                 }
2964         }
2965 }
2966
2967 void
2968 grabbuttons(struct ws_win *win, int focused)
2969 {
2970         unsigned int            i, j;
2971         unsigned int            modifiers[] =
2972             { 0, LockMask, numlockmask, numlockmask|LockMask };
2973
2974         updatenumlockmask();
2975         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2976         if(focused) {
2977                 for (i = 0; i < LENGTH(buttons); i++)
2978                         if (buttons[i].action == client_click)
2979                                 for (j = 0; j < LENGTH(modifiers); j++)
2980                                         XGrabButton(display, buttons[i].button,
2981                                             buttons[i].mask | modifiers[j],
2982                                             win->id, False, BUTTONMASK,
2983                                             GrabModeAsync, GrabModeSync, None,
2984                                             None);
2985         } else
2986                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2987                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2988 }
2989
2990 const char *quirkname[] = {
2991         "NONE",         /* config string for "no value" */
2992         "FLOAT",
2993         "TRANSSZ",
2994         "ANYWHERE",
2995         "XTERM_FONTADJ",
2996         "FULLSCREEN",
2997 };
2998
2999 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3000 #define SWM_Q_WS                "\n|+ \t"
3001 int
3002 parsequirks(char *qstr, unsigned long *quirk)
3003 {
3004         char                    *cp, *name;
3005         int                     i;
3006
3007         if (quirk == NULL)
3008                 return (1);
3009
3010         cp = qstr;
3011         *quirk = 0;
3012         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3013                 if (cp)
3014                         cp += (long)strspn(cp, SWM_Q_WS);
3015                 for (i = 0; i < LENGTH(quirkname); i++) {
3016                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3017                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3018                                 if (i == 0) {
3019                                         *quirk = 0;
3020                                         return (0);
3021                                 }
3022                                 *quirk |= 1 << (i-1);
3023                                 break;
3024                         }
3025                 }
3026                 if (i >= LENGTH(quirkname)) {
3027                         DNPRINTF(SWM_D_QUIRK,
3028                             "parsequirks: invalid quirk [%s]\n", name);
3029                         return (1);
3030                 }
3031         }
3032         return (0);
3033 }
3034
3035 void
3036 setquirk(const char *class, const char *name, const int quirk)
3037 {
3038         int                     i, j;
3039
3040         /* find existing */
3041         for (i = 0; i < quirks_length; i++) {
3042                 if (!strcmp(quirks[i].class, class) &&
3043                     !strcmp(quirks[i].name, name)) {
3044                         if (!quirk) {
3045                                 /* found: delete */
3046                                 DNPRINTF(SWM_D_QUIRK,
3047                                     "setquirk: delete #%d %s:%s\n",
3048                                     i, quirks[i].class, quirks[i].name);
3049                                 free(quirks[i].class);
3050                                 free(quirks[i].name);
3051                                 j = quirks_length - 1;
3052                                 if (i < j)
3053                                         quirks[i] = quirks[j];
3054                                 quirks_length--;
3055                                 return;
3056                         } else {
3057                                 /* found: replace */
3058                                 DNPRINTF(SWM_D_QUIRK,
3059                                     "setquirk: replace #%d %s:%s\n",
3060                                     i, quirks[i].class, quirks[i].name);
3061                                 free(quirks[i].class);
3062                                 free(quirks[i].name);
3063                                 quirks[i].class = strdup(class);
3064                                 quirks[i].name = strdup(name);
3065                                 quirks[i].quirk = quirk;
3066                                 return;
3067                         }
3068                 }
3069         }
3070         if (!quirk) {
3071                 fprintf(stderr,
3072                     "error: setquirk: cannot find class/name combination");
3073                 return;
3074         }
3075         /* not found: add */
3076         if (quirks_size == 0 || quirks == NULL) {
3077                 quirks_size = 4;
3078                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3079                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3080                 if (!quirks) {
3081                         fprintf(stderr, "setquirk: malloc failed\n");
3082                         perror(" failed");
3083                         quit(NULL, NULL);
3084                 }
3085         } else if (quirks_length == quirks_size) {
3086                 quirks_size *= 2;
3087                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3088                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3089                 if (!quirks) {
3090                         fprintf(stderr, "setquirk: realloc failed\n");
3091                         perror(" failed");
3092                         quit(NULL, NULL);
3093                 }
3094         }
3095         if (quirks_length < quirks_size) {
3096                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3097                 j = quirks_length++;
3098                 quirks[j].class = strdup(class);
3099                 quirks[j].name = strdup(name);
3100                 quirks[j].quirk = quirk;
3101         } else {
3102                 fprintf(stderr, "quirks array problem?\n");
3103                 if (!quirks) {
3104                         fprintf(stderr, "quirks array problem!\n");
3105                         quit(NULL, NULL);
3106                 }
3107         }
3108 }
3109
3110 int
3111 setconfquirk(char *selector, char *value, int flags)
3112 {
3113         char                    *cp, *class, *name;
3114         int                     retval;
3115         unsigned long           quirks;
3116         if (selector == NULL)
3117                 return (0);
3118         if ((cp = strchr(selector, ':')) == NULL)
3119                 return (0);
3120         *cp = '\0';
3121         class = selector;
3122         name = cp + 1;
3123         if ((retval = parsequirks(value, &quirks)) == 0)
3124                 setquirk(class, name, quirks);
3125         return (retval);
3126 }
3127
3128 void
3129 setup_quirks(void)
3130 {
3131         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3132         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3133         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3134         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3135         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3136         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3137         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3138         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3139         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3140         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3141         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3142         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3143         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3144 }
3145
3146 /* conf file stuff */
3147 #define SWM_CONF_FILE   "scrotwm.conf"
3148
3149 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3150           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3151           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3152           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3153           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3154
3155 int
3156 setconfvalue(char *selector, char *value, int flags)
3157 {
3158         switch (flags) {
3159         case SWM_S_BAR_DELAY:
3160                 bar_delay = atoi(value);
3161                 break;
3162         case SWM_S_BAR_ENABLED:
3163                 bar_enabled = atoi(value);
3164                 break;
3165         case SWM_S_STACK_ENABLED:
3166                 stack_enabled = atoi(value);
3167                 break;
3168         case SWM_S_CLOCK_ENABLED:
3169                 clock_enabled = atoi(value);
3170                 break;
3171         case SWM_S_CYCLE_EMPTY:
3172                 cycle_empty = atoi(value);
3173                 break;
3174         case SWM_S_CYCLE_VISIBLE:
3175                 cycle_visible = atoi(value);
3176                 break;
3177         case SWM_S_SS_ENABLED:
3178                 ss_enabled = atoi(value);
3179                 break;
3180         case SWM_S_TERM_WIDTH:
3181                 term_width = atoi(value);
3182                 break;
3183         case SWM_S_TITLE_CLASS_ENABLED:
3184                 title_class_enabled = atoi(value);
3185                 break;
3186         case SWM_S_TITLE_NAME_ENABLED:
3187                 title_name_enabled = atoi(value);
3188                 break;
3189         case SWM_S_BAR_FONT:
3190                 free(bar_fonts[0]);
3191                 if ((bar_fonts[0] = strdup(value)) == NULL)
3192                         err(1, "setconfvalue: bar_font");
3193                 break;
3194         case SWM_S_BAR_ACTION:
3195                 free(bar_argv[0]);
3196                 if ((bar_argv[0] = strdup(value)) == NULL)
3197                         err(1, "setconfvalue: bar_action");
3198                 break;
3199         case SWM_S_SPAWN_TERM:
3200                 free(spawn_term[0]);
3201                 if ((spawn_term[0] = strdup(value)) == NULL)
3202                         err(1, "setconfvalue: spawn_term");
3203                 break;
3204         case SWM_S_SS_APP:
3205                 break;
3206         case SWM_S_DIALOG_RATIO:
3207                 dialog_ratio = atof(value);
3208                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3209                         dialog_ratio = .6;
3210                 break;
3211         default:
3212                 return (1);
3213         }
3214         return (0);
3215 }
3216
3217 int
3218 setconfmodkey(char *selector, char *value, int flags)
3219 {
3220         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3221                 update_modkey(Mod1Mask);
3222         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3223                 update_modkey(Mod2Mask);
3224         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3225                 update_modkey(Mod3Mask);
3226         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3227                 update_modkey(Mod4Mask);
3228         else
3229                 return (1);
3230         return (0);
3231 }
3232
3233 int
3234 setconfcolor(char *selector, char *value, int flags)
3235 {
3236         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3237         return (0);
3238 }
3239
3240 int
3241 setconfregion(char *selector, char *value, int flags)
3242 {
3243         custom_region(value);
3244         return (0);
3245 }
3246
3247 /* config options */
3248 struct config_option {
3249         char                    *optname;
3250         int (*func)(char*, char*, int);
3251         int funcflags;
3252 };
3253 struct config_option configopt[] = {
3254         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3255         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3256         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3257         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3258         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3259         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3260         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3261         { "bind",                       setconfbinding, 0 },
3262         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3263         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3264         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3265         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3266         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3267         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3268         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3269         { "modkey",                     setconfmodkey,  0 },
3270         { "program",                    setconfspawn,   0 },
3271         { "quirk",                      setconfquirk,   0 },
3272         { "region",                     setconfregion,  0 },
3273         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3274         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3275         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3276         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3277         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3278         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3279 };
3280
3281
3282 int
3283 conf_load(char *filename)
3284 {
3285         FILE                    *config;
3286         char                    *line, *cp, *optsub, *optval;
3287         size_t                  linelen, lineno = 0;
3288         int                     wordlen, i, optind;
3289         struct config_option    *opt;
3290
3291         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3292
3293         if (filename == NULL) {
3294                 fprintf(stderr, "conf_load: no filename\n");
3295                 return (1);
3296         }
3297         if ((config = fopen(filename, "r")) == NULL) {
3298                 warn("conf_load: fopen");
3299                 return (1);
3300         }
3301
3302         while (!feof(config)) {
3303                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3304                     == NULL) {
3305                         if (ferror(config))
3306                                 err(1, "%s", filename);
3307                         else
3308                                 continue;
3309                 }
3310                 cp = line;
3311                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3312                 if (cp[0] == '\0') {
3313                         /* empty line */
3314                         free(line);
3315                         continue;
3316                 }
3317                 /* get config option */
3318                 wordlen = strcspn(cp, "=[ \t\n");
3319                 if (wordlen == 0) {
3320                         warnx("%s: line %zd: no option found",
3321                             filename, lineno);
3322                         return (1);
3323                 }
3324                 optind = -1;
3325                 for (i = 0; i < LENGTH(configopt); i++) {
3326                         opt = &configopt[i];
3327                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3328                             strlen(opt->optname) == wordlen) {
3329                                 optind = i;
3330                                 break;
3331                         }
3332                 }
3333                 if (optind == -1) {
3334                         warnx("%s: line %zd: unknown option %.*s",
3335                             filename, lineno, wordlen, cp);
3336                         return (1);
3337                 }
3338                 cp += wordlen;
3339                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3340                 /* get [selector] if any */
3341                 optsub = NULL;
3342                 if (*cp == '[') {
3343                         cp++;
3344                         wordlen = strcspn(cp, "]");
3345                         if (*cp != ']') {
3346                                 if (wordlen == 0) {
3347                                         warnx("%s: line %zd: syntax error",
3348                                             filename, lineno);
3349                                         return (1);
3350                                 }
3351                                 asprintf(&optsub, "%.*s", wordlen, cp);
3352                         }
3353                         cp += wordlen;
3354                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3355                 }
3356                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3357                 /* get RHS value */
3358                 optval = strdup(cp);
3359                 /* call function to deal with it all */
3360                 if (configopt[optind].func(optsub, optval,
3361                     configopt[optind].funcflags) != 0) {
3362                         fprintf(stderr, "%s line %zd: %s\n",
3363                             filename, lineno, line);
3364                         errx(1, "%s: line %zd: invalid data for %s",
3365                             filename, lineno, configopt[optind].optname);
3366                 }
3367                 free(optval);
3368                 free(optsub);
3369                 free(line);
3370         }
3371
3372         fclose(config);
3373         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3374
3375         return (0);
3376 }
3377
3378 struct ws_win *
3379 manage_window(Window id)
3380 {
3381         Window                  trans = 0;
3382         struct workspace        *ws;
3383         struct ws_win           *win, *ww, *parent;
3384         int                     format, i, ws_idx, n, border_me = 0;
3385         unsigned long           nitems, bytes;
3386         Atom                    ws_idx_atom = 0, type;
3387         Atom                    *prot = NULL, *pp;
3388         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3389         struct swm_region       *r;
3390         long                    mask;
3391         const char              *errstr;
3392         XWindowChanges          wc;
3393
3394         if ((win = find_window(id)) != NULL)
3395                         return (win);   /* already being managed */
3396
3397         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3398                 errx(1, "calloc: failed to allocate memory for new window");
3399
3400         /* Get all the window data in one shot */
3401         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3402         if (ws_idx_atom)
3403                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3404                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3405         XGetWindowAttributes(display, id, &win->wa);
3406         XGetWMNormalHints(display, id, &win->sh, &mask);
3407         XGetTransientForHint(display, id, &trans);
3408         if (trans) {
3409                 win->transient = trans;
3410                 parent = find_window(win->transient);
3411                 if (parent)
3412                         parent->child_trans = win;
3413                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3414                     (unsigned)win->id, win->transient);
3415         }
3416         /* get supported protocols */
3417         if (XGetWMProtocols(display, id, &prot, &n)) {
3418                 for (i = 0, pp = prot; i < n; i++, pp++) {
3419                         if (*pp == takefocus)
3420                                 win->take_focus = 1;
3421                         if (*pp == adelete)
3422                                 win->can_delete = 1;
3423                 }
3424                 if (prot)
3425                         XFree(prot);
3426         }
3427
3428         /*
3429          * Figure out where to put the window. If it was previously assigned to
3430          * a workspace (either by spawn() or manually moving), and isn't
3431          * transient, * put it in the same workspace
3432          */
3433         r = root_to_region(win->wa.root);
3434         if (prop && win->transient == 0) {
3435                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3436                 ws_idx = strtonum(prop, 0, 9, &errstr);
3437                 if (errstr) {
3438                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3439                             errstr, prop);
3440                 }
3441                 ws = &r->s->ws[ws_idx];
3442         } else {
3443                 ws = r->ws;
3444                 /* this should launch transients in the same ws as parent */
3445                 if (id && trans)
3446                         if ((ww = find_window(trans)) != NULL)
3447                                 if (ws->r) {
3448                                         ws = ww->ws;
3449                                         if (ww->ws->r)
3450                                                 r = ww->ws->r;
3451                                         else
3452                                                 fprintf(stderr,
3453                                                     "fix this bug mcbride\n");
3454                                         border_me = 1;
3455                                 }
3456         }
3457
3458         /* set up the window layout */
3459         win->id = id;
3460         win->ws = ws;
3461         win->s = r->s;  /* this never changes */
3462         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3463
3464         win->g.w = win->wa.width;
3465         win->g.h = win->wa.height;
3466         win->g.x = win->wa.x;
3467         win->g.y = win->wa.y;
3468
3469         /* Set window properties so we can remember this after reincarnation */
3470         if (ws_idx_atom && prop == NULL &&
3471             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3472                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3473                     ws_idx_str);
3474                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3475                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3476         }
3477         XFree(prop);
3478
3479         if (XGetClassHint(display, win->id, &win->ch)) {
3480                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3481                     win->ch.res_class, win->ch.res_name);
3482
3483                 /* java is retarded so treat it special */
3484                 if (strstr(win->ch.res_name, "sun-awt"))
3485                         win->java = 1;
3486
3487                 for (i = 0; i < quirks_length; i++){
3488                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3489                             !strcmp(win->ch.res_name, quirks[i].name)) {
3490                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3491                                     win->ch.res_class, win->ch.res_name);
3492                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3493                                         win->floating = 1;
3494                                 win->quirks = quirks[i].quirk;
3495                         }
3496                 }
3497         }
3498
3499         /* alter window position if quirky */
3500         if (win->quirks & SWM_Q_ANYWHERE) {
3501                 win->manual = 1; /* don't center the quirky windows */
3502                 bzero(&wc, sizeof wc);
3503                 mask = 0;
3504                 if (win->g.y < bar_height) {
3505                         win->g.y = wc.y = bar_height;
3506                         mask |= CWY;
3507                 }
3508                 if (win->g.w + win->g.x > WIDTH(r)) {
3509                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3510                         mask |= CWX;
3511                 }
3512                 border_me = 1;
3513         }
3514
3515         /* Reset font sizes (the bruteforce way; no default keybinding). */
3516         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3517                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3518                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3519                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3520                         fake_keypress(win, XK_KP_Add, ShiftMask);
3521         }
3522
3523         /* border me */
3524         if (border_me) {
3525                 bzero(&wc, sizeof wc);
3526                 wc.border_width = 1;
3527                 mask = CWBorderWidth;
3528                 XConfigureWindow(display, win->id, mask, &wc);
3529         }
3530
3531         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3532             PropertyChangeMask | StructureNotifyMask);
3533
3534         set_win_state(win, NormalState);
3535
3536         /* floaters need to be mapped if they are in the current workspace */
3537         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3538                 XMapRaised(display, win->id);
3539
3540         return (win);
3541 }
3542
3543 void
3544 unmanage_window(struct ws_win *win)
3545 {
3546         struct workspace        *ws;
3547         struct ws_win           *parent;
3548
3549         if (win == NULL)
3550                 return;
3551
3552         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3553
3554         /* needed for restart wm */
3555         set_win_state(win, WithdrawnState);
3556
3557         if (win->transient) {
3558                 parent = find_window(win->transient);
3559                 if (parent)
3560                         parent->child_trans = NULL;
3561         }
3562
3563         ws = win->ws;
3564         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3565         if (win->ch.res_class)
3566                 XFree(win->ch.res_class);
3567         if (win->ch.res_name)
3568                 XFree(win->ch.res_name);
3569         free(win);
3570 }
3571
3572 void
3573 focus_magic(struct ws_win *win)
3574 {
3575         if (win->child_trans) {
3576                 /* win = parent & has a transient so focus on that */
3577                 if (win->java) {
3578                         focus_win(win->child_trans);
3579                         if (win->child_trans->take_focus)
3580                                 client_msg(win, takefocus);
3581                 } else {
3582                         focus_win(win->child_trans);
3583                         if (win->child_trans->take_focus)
3584                                 client_msg(win->child_trans, takefocus);
3585                 }
3586         } else {
3587                 /* regular focus */
3588                 focus_win(win);
3589                 if (win->take_focus)
3590                         client_msg(win, takefocus);
3591         }
3592 }
3593
3594 void
3595 expose(XEvent *e)
3596 {
3597         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3598 }
3599
3600 void
3601 keypress(XEvent *e)
3602 {
3603         unsigned int            i;
3604         KeySym                  keysym;
3605         XKeyEvent               *ev = &e->xkey;
3606
3607         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3608
3609         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3610         for (i = 0; i < keys_length; i++)
3611                 if (keysym == keys[i].keysym
3612                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3613                    && keyfuncs[keys[i].funcid].func) {
3614                         if (keys[i].funcid == kf_spawn_custom)
3615                                 spawn_custom(
3616                                     root_to_region(ev->root),
3617                                     &(keyfuncs[keys[i].funcid].args),
3618                                     keys[i].spawn_name
3619                                     );
3620                         else
3621                                 keyfuncs[keys[i].funcid].func(
3622                                     root_to_region(ev->root),
3623                                     &(keyfuncs[keys[i].funcid].args)
3624                                     );
3625                 }
3626 }
3627
3628 void
3629 buttonpress(XEvent *e)
3630 {
3631         XButtonPressedEvent     *ev = &e->xbutton;
3632
3633         struct ws_win           *win;
3634         int                     i, action;
3635
3636         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3637
3638         action = root_click;
3639         if ((win = find_window(ev->window)) == NULL)
3640                 return;
3641
3642         focus_magic(win);
3643         action = client_click;
3644
3645         for (i = 0; i < LENGTH(buttons); i++)
3646                 if (action == buttons[i].action && buttons[i].func &&
3647                     buttons[i].button == ev->button &&
3648                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3649                         buttons[i].func(win, &buttons[i].args);
3650 }
3651
3652 void
3653 configurerequest(XEvent *e)
3654 {
3655         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3656         struct ws_win           *win;
3657         int                     new = 0;
3658         XWindowChanges          wc;
3659
3660         if ((win = find_window(ev->window)) == NULL)
3661                 new = 1;
3662
3663         if (new) {
3664                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3665                     ev->window);
3666                 bzero(&wc, sizeof wc);
3667                 wc.x = ev->x;
3668                 wc.y = ev->y;
3669                 wc.width = ev->width;
3670                 wc.height = ev->height;
3671                 wc.border_width = ev->border_width;
3672                 wc.sibling = ev->above;
3673                 wc.stack_mode = ev->detail;
3674                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3675         } else {
3676                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3677                     ev->window);
3678                 if (win->floating) {
3679                         if (ev->value_mask & CWX)
3680                                 win->g.x = ev->x;
3681                         if (ev->value_mask & CWY)
3682                                 win->g.y = ev->y;
3683                         if (ev->value_mask & CWWidth)
3684                                 win->g.w = ev->width;
3685                         if (ev->value_mask & CWHeight)
3686                                 win->g.h = ev->height;
3687                         if (win->ws->r != NULL) {
3688                                 /* this seems to be full screen */
3689                                 if (win->g.w >= WIDTH(win->ws->r)) {
3690                                         win->g.x = 0;
3691                                         win->g.w = WIDTH(win->ws->r);
3692                                         ev->value_mask |= CWX | CWWidth;
3693                                 }
3694                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3695                                         /* kill border */
3696                                         win->g.y = 0;
3697                                         win->g.h = HEIGHT(win->ws->r);
3698                                         ev->value_mask |= CWY | CWHeight;
3699                                 }
3700                         }
3701                         if ((ev->value_mask & (CWX | CWY)) &&
3702                             !(ev->value_mask & (CWWidth | CWHeight)))
3703                                 config_win(win);
3704                         XMoveResizeWindow(display, win->id,
3705                             win->g.x, win->g.y, win->g.w, win->g.h);
3706                 } else
3707                         config_win(win);
3708         }
3709 }
3710
3711 void
3712 configurenotify(XEvent *e)
3713 {
3714         struct ws_win           *win;
3715         long                    mask;
3716
3717         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3718             e->xconfigure.window);
3719
3720         XMapWindow(display, e->xconfigure.window);
3721         win = find_window(e->xconfigure.window);
3722         if (win) {
3723                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3724                 adjust_font(win);
3725                 XMapWindow(display, win->id);
3726                 if (font_adjusted)
3727                         stack();
3728         }
3729 }
3730
3731 void
3732 destroynotify(XEvent *e)
3733 {
3734         struct ws_win           *win, *winfocus = NULL;
3735         struct workspace        *ws;
3736         struct ws_win_list      *wl;
3737         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3738
3739         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3740
3741         if ((win = find_window(ev->window)) != NULL) {
3742                 /* find a window to focus */
3743                 ws = win->ws;
3744                 wl = &ws->winlist;
3745
3746                 /* if we are transient give focus to parent */
3747                 if (win->transient)
3748                         winfocus = find_window(win->transient);
3749                 else if (ws->focus == win) {
3750                         /* if in max_stack try harder */
3751                         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3752                                 if (win != ws->focus_prev)
3753                                         winfocus = ws->focus_prev;
3754                                 else if (win != ws->focus)
3755                                         winfocus = ws->focus;
3756                         }
3757
3758                         /* fallback and normal handling */
3759                         if (winfocus == NULL) {
3760                                 if (TAILQ_FIRST(wl) == win)
3761                                         winfocus = TAILQ_NEXT(win, entry);
3762                                 else {
3763                                         winfocus = TAILQ_PREV(ws->focus,
3764                                             ws_win_list, entry);
3765                                         if (winfocus == NULL)
3766                                                 winfocus = TAILQ_LAST(wl,
3767                                                     ws_win_list);
3768                                 }
3769                         }
3770                 }
3771                 unmanage_window(win);
3772
3773                 ignore_enter = 1;
3774                 stack();
3775                 if (winfocus)
3776                         focus_win(winfocus);
3777                 ignore_enter = 0;
3778         }
3779 }
3780
3781 void
3782 enternotify(XEvent *e)
3783 {
3784         XCrossingEvent          *ev = &e->xcrossing;
3785         struct ws_win           *win;
3786
3787         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3788
3789         if (ignore_enter) {
3790                 /* eat event(r) to prevent autofocus */
3791                 ignore_enter = 0;
3792                 return;
3793         }
3794         /*
3795          * happens when a window is created or destroyed and the border
3796          * crosses the mouse pointer
3797          */
3798         if (QLength(display))
3799                 return;
3800
3801         if ((win = find_window(ev->window)) == NULL)
3802                 return;
3803
3804         focus_magic(win);
3805 }
3806
3807 void
3808 focusin(XEvent *e)
3809 {
3810         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3811 }
3812
3813 void
3814 focusout(XEvent *e)
3815 {
3816         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3817 }
3818
3819 void
3820 mapnotify(XEvent *e)
3821 {
3822         struct ws_win           *win;
3823         XMapEvent               *ev = &e->xmap;
3824
3825         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3826
3827         win = find_window(ev->window);
3828         if (win)
3829                 set_win_state(win, NormalState);
3830 }
3831
3832 void
3833 mappingnotify(XEvent *e)
3834 {
3835         XMappingEvent           *ev = &e->xmapping;
3836
3837         XRefreshKeyboardMapping(ev);
3838         if (ev->request == MappingKeyboard)
3839                 grabkeys();
3840 }
3841
3842 void
3843 maprequest(XEvent *e)
3844 {
3845         struct ws_win           *win;
3846         struct swm_region       *r;
3847
3848         XMapRequestEvent        *ev = &e->xmaprequest;
3849         XWindowAttributes       wa;
3850
3851         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3852             e->xmaprequest.window);
3853
3854         if (!XGetWindowAttributes(display, ev->window, &wa))
3855                 return;
3856         if (wa.override_redirect)
3857                 return;
3858
3859         win = manage_window(e->xmaprequest.window);
3860         if (win == NULL)
3861                 return; /* can't happen */
3862
3863         ignore_enter = 1;
3864         stack();
3865         ignore_enter = 0;
3866
3867         /* make new win focused */
3868         r = root_to_region(win->wa.root);
3869         if (win->ws == r->ws)
3870                 focus_win(win);
3871 }
3872
3873 void
3874 propertynotify(XEvent *e)
3875 {
3876         struct ws_win           *win;
3877         XPropertyEvent          *ev = &e->xproperty;
3878
3879         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3880             ev->window);
3881
3882         if (ev->state == PropertyDelete)
3883                 return; /* ignore */
3884         win = find_window(ev->window);
3885         if (win == NULL)
3886                 return;
3887
3888         switch (ev->atom) {
3889         case XA_WM_NORMAL_HINTS:
3890 #if 0
3891                 long            mask;
3892                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3893                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3894                 if (win->sh.flags & PMinSize) {
3895                         win->g.w = win->sh.min_width;
3896                         win->g.h = win->sh.min_height;
3897                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3898                 }
3899                 XMoveResizeWindow(display, win->id,
3900                     win->g.x, win->g.y, win->g.w, win->g.h);
3901 #endif
3902                 break;
3903         default:
3904                 break;
3905         }
3906 }
3907
3908 void
3909 unmapnotify(XEvent *e)
3910 {
3911         struct ws_win           *win, *winfocus = NULL;
3912         struct workspace        *ws;
3913
3914         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3915
3916         /* determine if we need to help unmanage this window */
3917         win = find_window(e->xunmap.window);
3918         if (win == NULL)
3919                 return;
3920
3921         /* java can not deal with this heuristic */
3922         if (win->java)
3923                 return;
3924
3925         if (getstate(e->xunmap.window) == NormalState) {
3926                 /*
3927                  * this window does not have a destroy event but but it is no
3928                  * longer visible due to the app unmapping it so unmanage it
3929                  */
3930                 ws = win->ws;
3931                 /* if we are max_stack try harder to focus on something */
3932                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
3933                         if (win->transient)
3934                                 winfocus = find_window(win->transient);
3935                         else if (win != ws->focus_prev)
3936                                 winfocus = ws->focus_prev;
3937                         else if (win != ws->focus)
3938                                 winfocus = ws->focus;
3939                 }
3940
3941                 /* normal and fallback if haven't found anything to focus on */
3942                 if (winfocus == NULL) {
3943                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3944                         if (TAILQ_FIRST(&ws->winlist) == win)
3945                                 winfocus = TAILQ_NEXT(win, entry);
3946                         else {
3947                                 if (ws->focus)
3948                                         winfocus = TAILQ_PREV(ws->focus,
3949                                             ws_win_list, entry);
3950                                 if (winfocus == NULL)
3951                                         winfocus = TAILQ_LAST(&ws->winlist,
3952                                             ws_win_list);
3953                         }
3954                 }
3955
3956                 /* trash window and refocus */
3957                 unmanage_window(win);
3958                 ignore_enter = 1;
3959                 stack();
3960                 focus_win(winfocus);
3961                 ignore_enter = 0;
3962         }
3963 }
3964
3965 void
3966 visibilitynotify(XEvent *e)
3967 {
3968         int                     i;
3969         struct swm_region       *r;
3970
3971         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
3972             e->xvisibility.window);
3973         if (e->xvisibility.state == VisibilityUnobscured)
3974                 for (i = 0; i < ScreenCount(display); i++)
3975                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3976                                 if (e->xvisibility.window == r->bar_window)
3977                                         bar_update();
3978 }
3979
3980 int
3981 xerror_start(Display *d, XErrorEvent *ee)
3982 {
3983         other_wm = 1;
3984         return (-1);
3985 }
3986
3987 int
3988 xerror(Display *d, XErrorEvent *ee)
3989 {
3990         /* fprintf(stderr, "error: %p %p\n", display, ee); */
3991         return (-1);
3992 }
3993
3994 int
3995 active_wm(void)
3996 {
3997         other_wm = 0;
3998         xerrorxlib = XSetErrorHandler(xerror_start);
3999
4000         /* this causes an error if some other window manager is running */
4001         XSelectInput(display, DefaultRootWindow(display),
4002             SubstructureRedirectMask);
4003         XSync(display, False);
4004         if (other_wm)
4005                 return (1);
4006
4007         XSetErrorHandler(xerror);
4008         XSync(display, False);
4009         return (0);
4010 }
4011
4012 void
4013 new_region(struct swm_screen *s, int x, int y, int w, int h)
4014 {
4015         struct swm_region       *r, *n;
4016         struct workspace        *ws = NULL;
4017         int                     i;
4018
4019         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4020              s->idx, w, h, x, y);
4021
4022         /* remove any conflicting regions */
4023         n = TAILQ_FIRST(&s->rl);
4024         while (n) {
4025                 r = n;
4026                 n = TAILQ_NEXT(r, entry);
4027                 if (X(r) < (x + w) &&
4028                     (X(r) + WIDTH(r)) > x &&
4029                     Y(r) < (y + h) &&
4030                     (Y(r) + HEIGHT(r)) > y) {
4031                         XDestroyWindow(display, r->bar_window);
4032                         TAILQ_REMOVE(&s->rl, r, entry);
4033                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4034                 }
4035         }
4036
4037         /* search old regions for one to reuse */
4038
4039         /* size + location match */
4040         TAILQ_FOREACH(r, &s->orl, entry)
4041                 if (X(r) == x && Y(r) == y &&
4042                     HEIGHT(r) == h && WIDTH(r) == w)
4043                         break;
4044
4045         /* size match */
4046         TAILQ_FOREACH(r, &s->orl, entry)
4047                 if (HEIGHT(r) == h && WIDTH(r) == w)
4048                         break;
4049
4050         if (r != NULL) {
4051                 TAILQ_REMOVE(&s->orl, r, entry);
4052                 /* try to use old region's workspace */
4053                 if (r->ws->r == NULL)
4054                         ws = r->ws;
4055         } else
4056                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4057                         errx(1, "calloc: failed to allocate memory for screen");
4058
4059         /* if we don't have a workspace already, find one */
4060         if (ws == NULL) {
4061                 for (i = 0; i < SWM_WS_MAX; i++)
4062                         if (s->ws[i].r == NULL) {
4063                                 ws = &s->ws[i];
4064                                 break;
4065                         }
4066         }
4067
4068         if (ws == NULL)
4069                 errx(1, "no free workspaces\n");
4070
4071         X(r) = x;
4072         Y(r) = y;
4073         WIDTH(r) = w;
4074         HEIGHT(r) = h;
4075         r->s = s;
4076         r->ws = ws;
4077         ws->r = r;
4078         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4079 }
4080
4081 void
4082 scan_xrandr(int i)
4083 {
4084 #ifdef SWM_XRR_HAS_CRTC
4085         XRRCrtcInfo             *ci;
4086         XRRScreenResources      *sr;
4087         int                     c;
4088         int                     ncrtc = 0;
4089 #endif /* SWM_XRR_HAS_CRTC */
4090         struct swm_region       *r;
4091
4092
4093         if (i >= ScreenCount(display))
4094                 errx(1, "invalid screen");
4095
4096         /* remove any old regions */
4097         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4098                 r->ws->old_r = r->ws->r = NULL;
4099                 XDestroyWindow(display, r->bar_window);
4100                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4101                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4102         }
4103
4104         /* map virtual screens onto physical screens */
4105 #ifdef SWM_XRR_HAS_CRTC
4106         outputs = 0;
4107         if (xrandr_support) {
4108                 sr = XRRGetScreenResources(display, screens[i].root);
4109                 if (sr == NULL)
4110                         new_region(&screens[i], 0, 0,
4111                             DisplayWidth(display, i),
4112                             DisplayHeight(display, i));
4113                 else
4114                         ncrtc = sr->ncrtc;
4115
4116                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4117                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4118                         if (ci->noutput == 0)
4119                                 continue;
4120                         outputs++;
4121
4122                         if (ci != NULL && ci->mode == None)
4123                                 new_region(&screens[i], 0, 0,
4124                                     DisplayWidth(display, i),
4125                                     DisplayHeight(display, i));
4126                         else
4127                                 new_region(&screens[i],
4128                                     ci->x, ci->y, ci->width, ci->height);
4129                 }
4130                 if (ci)
4131                         XRRFreeCrtcInfo(ci);
4132                 XRRFreeScreenResources(sr);
4133         } else
4134 #endif /* SWM_XRR_HAS_CRTC */
4135         {
4136                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4137                     DisplayHeight(display, i));
4138         }
4139 }
4140
4141 void
4142 screenchange(XEvent *e) {
4143         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4144         struct swm_region               *r;
4145         int                             i;
4146
4147         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4148
4149         if (!XRRUpdateConfiguration(e))
4150                 return;
4151
4152         /* silly event doesn't include the screen index */
4153         for (i = 0; i < ScreenCount(display); i++)
4154                 if (screens[i].root == xe->root)
4155                         break;
4156         if (i >= ScreenCount(display))
4157                 errx(1, "screenchange: screen not found\n");
4158
4159         /* brute force for now, just re-enumerate the regions */
4160         scan_xrandr(i);
4161
4162         /* add bars to all regions */
4163         for (i = 0; i < ScreenCount(display); i++)
4164                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4165                         bar_setup(r);
4166         stack();
4167 }
4168
4169 void
4170 setup_screens(void)
4171 {
4172         Window                  d1, d2, *wins = NULL;
4173         XWindowAttributes       wa;
4174         unsigned int            no;
4175         int                     i, j, k;
4176         int                     errorbase, major, minor;
4177         struct workspace        *ws;
4178         int                     ws_idx_atom;
4179         long                    state, manage;
4180
4181         if ((screens = calloc(ScreenCount(display),
4182              sizeof(struct swm_screen))) == NULL)
4183                 errx(1, "calloc: screens");
4184
4185         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4186
4187         /* initial Xrandr setup */
4188         xrandr_support = XRRQueryExtension(display,
4189             &xrandr_eventbase, &errorbase);
4190         if (xrandr_support)
4191                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4192                         xrandr_support = 0;
4193
4194         /* map physical screens */
4195         for (i = 0; i < ScreenCount(display); i++) {
4196                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4197                 screens[i].idx = i;
4198                 TAILQ_INIT(&screens[i].rl);
4199                 TAILQ_INIT(&screens[i].orl);
4200                 screens[i].root = RootWindow(display, i);
4201
4202                 /* set default colors */
4203                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4204                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4205                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4206                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4207                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4208
4209                 /* init all workspaces */
4210                 /* XXX these should be dynamically allocated too */
4211                 for (j = 0; j < SWM_WS_MAX; j++) {
4212                         ws = &screens[i].ws[j];
4213                         ws->idx = j;
4214                         ws->restack = 1;
4215                         ws->focus = NULL;
4216                         ws->r = NULL;
4217                         ws->old_r = NULL;
4218                         TAILQ_INIT(&ws->winlist);
4219
4220                         for (k = 0; layouts[k].l_stack != NULL; k++)
4221                                 if (layouts[k].l_config != NULL)
4222                                         layouts[k].l_config(ws,
4223                                             SWM_ARG_ID_STACKINIT);
4224                         ws->cur_layout = &layouts[0];
4225                 }
4226                 /* grab existing windows (before we build the bars)*/
4227                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4228                         continue;
4229
4230                 scan_xrandr(i);
4231
4232                 if (xrandr_support)
4233                         XRRSelectInput(display, screens[i].root,
4234                             RRScreenChangeNotifyMask);
4235
4236                 /* attach windows to a region */
4237                 /* normal windows */
4238                 for (j = 0; j < no; j++) {
4239                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4240                             wa.override_redirect ||
4241                             XGetTransientForHint(display, wins[j], &d1))
4242                                 continue;
4243
4244                         state = getstate(wins[j]);
4245                         manage = state == NormalState || state == IconicState;
4246                         if (wa.map_state == IsViewable || manage)
4247                                 manage_window(wins[j]);
4248                 }
4249                 /* transient windows */
4250                 for (j = 0; j < no; j++) {
4251                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4252                             wa.override_redirect)
4253                                 continue;
4254
4255                         state = getstate(wins[j]);
4256                         manage = state == NormalState || state == IconicState;
4257                         if (XGetTransientForHint(display, wins[j], &d1) &&
4258                             manage)
4259                                 manage_window(wins[j]);
4260                 }
4261                 if (wins) {
4262                         XFree(wins);
4263                         wins = NULL;
4264                 }
4265         }
4266 }
4267
4268 void
4269 setup_globals(void)
4270 {
4271         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4272             == NULL)
4273                 err(1, "setup_globals: strdup");
4274         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4275             == NULL)
4276                 err(1, "setup_globals: strdup");
4277         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4278             == NULL)
4279                 err(1, "setup_globals: strdup");
4280         if ((spawn_term[0] = strdup("xterm")) == NULL)
4281                 err(1, "setup_globals: strdup");
4282 }
4283
4284 void
4285 workaround(void)
4286 {
4287         int                     i;
4288         Atom                    netwmcheck, netwmname, utf8_string;
4289         Window                  root;
4290
4291         /* work around sun jdk bugs, code from wmname */
4292         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4293         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4294         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4295         for (i = 0; i < ScreenCount(display); i++) {
4296                 root = screens[i].root;
4297                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4298                     PropModeReplace, (unsigned char *)&root, 1);
4299                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4300                     PropModeReplace, "LG3D", strlen("LG3D"));
4301         }
4302 }
4303
4304 int
4305 main(int argc, char *argv[])
4306 {
4307         struct passwd           *pwd;
4308         struct swm_region       *r, *rr;
4309         struct ws_win           *winfocus = NULL;
4310         char                    conf[PATH_MAX], *cfile = NULL;
4311         struct stat             sb;
4312         XEvent                  e;
4313         int                     xfd, i;
4314         fd_set                  rd;
4315
4316         start_argv = argv;
4317         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4318             SWM_VERSION, cvstag);
4319         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4320                 warnx("no locale support");
4321
4322         if (!(display = XOpenDisplay(0)))
4323                 errx(1, "can not open display");
4324
4325         if (active_wm())
4326                 errx(1, "other wm running");
4327
4328         /* handle some signale */
4329         installsignal(SIGINT, "INT");
4330         installsignal(SIGHUP, "HUP");
4331         installsignal(SIGQUIT, "QUIT");
4332         installsignal(SIGTERM, "TERM");
4333         installsignal(SIGCHLD, "CHLD");
4334
4335         astate = XInternAtom(display, "WM_STATE", False);
4336         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4337         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4338         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4339
4340         /* look for local and global conf file */
4341         pwd = getpwuid(getuid());
4342         if (pwd == NULL)
4343                 errx(1, "invalid user %d", getuid());
4344
4345         setup_screens();
4346         setup_globals();
4347         setup_keys();
4348         setup_quirks();
4349         setup_spawn();
4350
4351         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4352         if (stat(conf, &sb) != -1) {
4353                 if (S_ISREG(sb.st_mode))
4354                         cfile = conf;
4355         } else {
4356                 /* try global conf file */
4357                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4358                 if (!stat(conf, &sb))
4359                         if (S_ISREG(sb.st_mode))
4360                                 cfile = conf;
4361         }
4362         if (cfile)
4363                 conf_load(cfile);
4364
4365         /* setup all bars */
4366         for (i = 0; i < ScreenCount(display); i++)
4367                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4368                         if (winfocus == NULL)
4369                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4370                         bar_setup(r);
4371                 }
4372
4373         /* set some values to work around bad programs */
4374         workaround();
4375
4376         grabkeys();
4377         stack();
4378
4379         xfd = ConnectionNumber(display);
4380         while (running) {
4381                 while (XPending(display)) {
4382                         XNextEvent(display, &e);
4383                         if (running == 0)
4384                                 goto done;
4385                         if (e.type < LASTEvent) {
4386                                 dumpevent(&e);
4387                                 if (handler[e.type])
4388                                         handler[e.type](&e);
4389                                 else
4390                                         DNPRINTF(SWM_D_EVENT,
4391                                             "win: %lu unknown event: %d\n",
4392                                             e.xany.window, e.type);
4393                         } else {
4394                                 switch (e.type - xrandr_eventbase) {
4395                                 case RRScreenChangeNotify:
4396                                         screenchange(&e);
4397                                         break;
4398                                 default:
4399                                         DNPRINTF(SWM_D_EVENT,
4400                                             "win: %lu unknown xrandr event: "
4401                                             "%d\n", e.xany.window, e.type);
4402                                         break;
4403                                 }
4404                         }
4405                 }
4406
4407                 /* if we are being restarted go focus on first window */
4408                 if (winfocus) {
4409                         rr = TAILQ_FIRST(&screens[0].rl);
4410                         /* move pointer to first screen if multi screen */
4411                         if (ScreenCount(display) > 1 || outputs > 1)
4412                                 XWarpPointer(display, None, rr->s[0].root,
4413                                     0, 0, 0, 0, rr->g.x,
4414                                     rr->g.y + bar_enabled ? bar_height : 0);
4415
4416                         focus_win(winfocus);
4417                         winfocus = NULL;
4418                         continue;
4419                 }
4420
4421                 FD_ZERO(&rd);
4422                 FD_SET(xfd, &rd);
4423                 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
4424                         if (errno != EINTR)
4425                                 DNPRINTF(SWM_D_MISC, "select failed");
4426                 if (running == 0)
4427                         goto done;
4428                 if (bar_alarm) {
4429                         bar_alarm = 0;
4430                         bar_update();
4431                 }
4432         }
4433 done:
4434         bar_extra_stop();
4435
4436         XCloseDisplay(display);
4437
4438         return (0);
4439 }