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     "0.9.19"
  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 #define WINID(w)                (w ? w->id : 0)
 152
 153 #ifndef SWM_LIB
 154 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 155 #endif
 156
 157 char                    **start_argv;
 158 Atom                    astate;
 159 Atom                    aprot;
 160 Atom                    adelete;
 161 Atom                    takefocus;
 162 volatile sig_atomic_t   running = 1;
 163 int                     outputs = 0;
 164 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 165 int                     other_wm;
 166 int                     ss_enabled = 0;
 167 int                     xrandr_support;
 168 int                     xrandr_eventbase;
 169 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_dumpwins,
 311         kf_invalid
 312 };
 313
 314 /* layout handlers */
 315 void    stack(void);
 316 void    vertical_config(struct workspace *, int);
 317 void    vertical_stack(struct workspace *, struct swm_geometry *);
 318 void    horizontal_config(struct workspace *, int);
 319 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 320 void    max_stack(struct workspace *, struct swm_geometry *);
 321
 322 struct ws_win *find_window(Window);
 323
 324 void    grabbuttons(struct ws_win *, int);
 325 void    new_region(struct swm_screen *, int, int, int, int);
 326 void    unmanage_window(struct ws_win *);
 327 long    getstate(Window);
 328
 329 struct layout {
 330         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 331         void            (*l_config)(struct workspace *, int);
 332         u_int32_t       flags;
 333 #define SWM_L_FOCUSPREV         (1<<0)
 334 #define SWM_L_MAPONFOCUS        (1<<1)
 335         char            *name;
 336 } layouts[] =  {
 337         /* stack,               configure */
 338         { vertical_stack,       vertical_config,        0,      "[|]" },
 339         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 340         { max_stack,            NULL,
 341           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]"},
 342         { NULL,                 NULL,                   0,      NULL },
 343 };
 344
 345 #define SWM_H_SLICE             (32)
 346 #define SWM_V_SLICE             (32)
 347
 348 /* define work spaces */
 349 struct workspace {
 350         int                     idx;            /* workspace index */
 351         struct layout           *cur_layout;    /* current layout handlers */
 352         struct ws_win           *focus;         /* may be NULL */
 353         struct ws_win           *focus_prev;    /* may be NULL */
 354         struct swm_region       *r;             /* may be NULL */
 355         struct swm_region       *old_r;         /* may be NULL */
 356         struct ws_win_list      winlist;        /* list of windows in ws */
 357         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 358
 359         /* stacker state */
 360         struct {
 361                                 int horizontal_msize;
 362                                 int horizontal_mwin;
 363                                 int horizontal_stacks;
 364                                 int vertical_msize;
 365                                 int vertical_mwin;
 366                                 int vertical_stacks;
 367         } l_state;
 368 };
 369
 370 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 371           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 372
 373 /* physical screen mapping */
 374 #define SWM_WS_MAX              (10)
 375 struct swm_screen {
 376         int                     idx;    /* screen index */
 377         struct swm_region_list  rl;     /* list of regions on this screen */
 378         struct swm_region_list  orl;    /* list of old regions */
 379         Window                  root;
 380         struct workspace        ws[SWM_WS_MAX];
 381
 382         /* colors */
 383         struct {
 384                 unsigned long   color;
 385                 char            *name;
 386         } c[SWM_S_COLOR_MAX];
 387 };
 388 struct swm_screen       *screens;
 389 int                     num_screens;
 390
 391 /* args to functions */
 392 union arg {
 393         int                     id;
 394 #define SWM_ARG_ID_FOCUSNEXT    (0)
 395 #define SWM_ARG_ID_FOCUSPREV    (1)
 396 #define SWM_ARG_ID_FOCUSMAIN    (2)
 397 #define SWM_ARG_ID_FOCUSCUR     (4)
 398 #define SWM_ARG_ID_SWAPNEXT     (10)
 399 #define SWM_ARG_ID_SWAPPREV     (11)
 400 #define SWM_ARG_ID_SWAPMAIN     (12)
 401 #define SWM_ARG_ID_MASTERSHRINK (20)
 402 #define SWM_ARG_ID_MASTERGROW   (21)
 403 #define SWM_ARG_ID_MASTERADD    (22)
 404 #define SWM_ARG_ID_MASTERDEL    (23)
 405 #define SWM_ARG_ID_STACKRESET   (30)
 406 #define SWM_ARG_ID_STACKINIT    (31)
 407 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 408 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 409 #define SWM_ARG_ID_CYCLESC_UP   (42)
 410 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 411 #define SWM_ARG_ID_STACKINC     (50)
 412 #define SWM_ARG_ID_STACKDEC     (51)
 413 #define SWM_ARG_ID_SS_ALL       (60)
 414 #define SWM_ARG_ID_SS_WINDOW    (61)
 415 #define SWM_ARG_ID_DONTCENTER   (70)
 416 #define SWM_ARG_ID_CENTER       (71)
 417 #define SWM_ARG_ID_KILLWINDOW   (80)
 418 #define SWM_ARG_ID_DELETEWINDOW (81)
 419         char                    **argv;
 420 };
 421
 422 void    focus(struct swm_region *, union arg *);
 423 void    focus_magic(struct ws_win *, int);
 424 #define SWM_F_GENERIC           (0)
 425 #define SWM_F_TRANSIENT         (1)
 426 /* quirks */
 427 struct quirk {
 428         char                    *class;
 429         char                    *name;
 430         unsigned long           quirk;
 431 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 432 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 433 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 434 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 435 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 436 };
 437 int                             quirks_size = 0, quirks_length = 0;
 438 struct quirk                    *quirks = NULL;
 439
 440 /* events */
 441 #ifdef SWM_DEBUG
 442 void
 443 dumpevent(XEvent *e)
 444 {
 445         char                    *name = NULL;
 446
 447         switch (e->type) {
 448         case KeyPress:
 449                 name = "KeyPress";
 450                 break;
 451         case KeyRelease:
 452                 name = "KeyRelease";
 453                 break;
 454         case ButtonPress:
 455                 name = "ButtonPress";
 456                 break;
 457         case ButtonRelease:
 458                 name = "ButtonRelease";
 459                 break;
 460         case MotionNotify:
 461                 name = "MotionNotify";
 462                 break;
 463         case EnterNotify:
 464                 name = "EnterNotify";
 465                 break;
 466         case LeaveNotify:
 467                 name = "LeaveNotify";
 468                 break;
 469         case FocusIn:
 470                 name = "FocusIn";
 471                 break;
 472         case FocusOut:
 473                 name = "FocusOut";
 474                 break;
 475         case KeymapNotify:
 476                 name = "KeymapNotify";
 477                 break;
 478         case Expose:
 479                 name = "Expose";
 480                 break;
 481         case GraphicsExpose:
 482                 name = "GraphicsExpose";
 483                 break;
 484         case NoExpose:
 485                 name = "NoExpose";
 486                 break;
 487         case VisibilityNotify:
 488                 name = "VisibilityNotify";
 489                 break;
 490         case CreateNotify:
 491                 name = "CreateNotify";
 492                 break;
 493         case DestroyNotify:
 494                 name = "DestroyNotify";
 495                 break;
 496         case UnmapNotify:
 497                 name = "UnmapNotify";
 498                 break;
 499         case MapNotify:
 500                 name = "MapNotify";
 501                 break;
 502         case MapRequest:
 503                 name = "MapRequest";
 504                 break;
 505         case ReparentNotify:
 506                 name = "ReparentNotify";
 507                 break;
 508         case ConfigureNotify:
 509                 name = "ConfigureNotify";
 510                 break;
 511         case ConfigureRequest:
 512                 name = "ConfigureRequest";
 513                 break;
 514         case GravityNotify:
 515                 name = "GravityNotify";
 516                 break;
 517         case ResizeRequest:
 518                 name = "ResizeRequest";
 519                 break;
 520         case CirculateNotify:
 521                 name = "CirculateNotify";
 522                 break;
 523         case CirculateRequest:
 524                 name = "CirculateRequest";
 525                 break;
 526         case PropertyNotify:
 527                 name = "PropertyNotify";
 528                 break;
 529         case SelectionClear:
 530                 name = "SelectionClear";
 531                 break;
 532         case SelectionRequest:
 533                 name = "SelectionRequest";
 534                 break;
 535         case SelectionNotify:
 536                 name = "SelectionNotify";
 537                 break;
 538         case ColormapNotify:
 539                 name = "ColormapNotify";
 540                 break;
 541         case ClientMessage:
 542                 name = "ClientMessage";
 543                 break;
 544         case MappingNotify:
 545                 name = "MappingNotify";
 546                 break;
 547         }
 548
 549         if (name)
 550                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 551                     "remaining\n",
 552                     e->xany.window, name, e->type, QLength(display));
 553         else
 554                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 555                     "remaining\n",
 556                     e->xany.window, e->type, QLength(display));
 557 }
 558
 559 void
 560 dumpwins(struct swm_region *r, union arg *args)
 561 {
 562         struct ws_win           *win;
 563         unsigned int            state;
 564         XWindowAttributes       wa;
 565
 566         if (r->ws == NULL) {
 567                 fprintf(stderr, "invalid workspace\n");
 568                 return;
 569         }
 570
 571         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 572
 573         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 574                 state = getstate(win->id);
 575                 if (!XGetWindowAttributes(display, win->id, &wa))
 576                         fprintf(stderr, "window: %lu failed "
 577                             "XGetWindowAttributes\n", win->id);
 578                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 579                     win->id, wa.map_state, state);
 580         }
 581
 582         fprintf(stderr, "===== unmanaged window list =====\n");
 583         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 584                 state = getstate(win->id);
 585                 if (!XGetWindowAttributes(display, win->id, &wa))
 586                         fprintf(stderr, "window: %lu failed "
 587                             "XGetWindowAttributes\n", win->id);
 588                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 589                     win->id, wa.map_state, state);
 590         }
 591
 592         fprintf(stderr, "=================================\n");
 593 }
 594 #else
 595 #define dumpevent(e)
 596 void
 597 dumpwins(struct swm_region *r, union arg *args)
 598 {
 599 }
 600 #endif /* SWM_DEBUG */
 601
 602 void                    expose(XEvent *);
 603 void                    keypress(XEvent *);
 604 void                    buttonpress(XEvent *);
 605 void                    configurerequest(XEvent *);
 606 void                    configurenotify(XEvent *);
 607 void                    destroynotify(XEvent *);
 608 void                    enternotify(XEvent *);
 609 void                    focusin(XEvent *);
 610 void                    focusout(XEvent *);
 611 void                    mapnotify(XEvent *);
 612 void                    mappingnotify(XEvent *);
 613 void                    maprequest(XEvent *);
 614 void                    propertynotify(XEvent *);
 615 void                    unmapnotify(XEvent *);
 616 void                    visibilitynotify(XEvent *);
 617
 618 void                    (*handler[LASTEvent])(XEvent *) = {
 619                                 [Expose] = expose,
 620                                 [KeyPress] = keypress,
 621                                 [ButtonPress] = buttonpress,
 622                                 [ConfigureRequest] = configurerequest,
 623                                 [ConfigureNotify] = configurenotify,
 624                                 [DestroyNotify] = destroynotify,
 625                                 [EnterNotify] = enternotify,
 626                                 [FocusIn] = focusin,
 627                                 [FocusOut] = focusout,
 628                                 [MapNotify] = mapnotify,
 629                                 [MappingNotify] = mappingnotify,
 630                                 [MapRequest] = maprequest,
 631                                 [PropertyNotify] = propertynotify,
 632                                 [UnmapNotify] = unmapnotify,
 633                                 [VisibilityNotify] = visibilitynotify,
 634 };
 635
 636 void
 637 sighdlr(int sig)
 638 {
 639         pid_t                   pid;
 640
 641         switch (sig) {
 642         case SIGCHLD:
 643                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 644                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 645                         if (pid <= 0)
 646                                 break;
 647                 }
 648                 break;
 649         case SIGINT:
 650         case SIGTERM:
 651         case SIGHUP:
 652         case SIGQUIT:
 653                 running = 0;
 654                 break;
 655         }
 656 }
 657
 658 void
 659 installsignal(int sig, char *name)
 660 {
 661         struct sigaction        sa;
 662
 663         sa.sa_handler = sighdlr;
 664         sigemptyset(&sa.sa_mask);
 665         sa.sa_flags = 0;
 666         if (sigaction(sig, &sa, NULL) == -1)
 667                 err(1, "could not install %s handler", name);
 668 }
 669
 670 unsigned long
 671 name_to_color(char *colorname)
 672 {
 673         Colormap                cmap;
 674         Status                  status;
 675         XColor                  screen_def, exact_def;
 676         unsigned long           result = 0;
 677         char                    cname[32] = "#";
 678
 679         cmap = DefaultColormap(display, screens[0].idx);
 680         status = XAllocNamedColor(display, cmap, colorname,
 681             &screen_def, &exact_def);
 682         if (!status) {
 683                 strlcat(cname, colorname + 2, sizeof cname - 1);
 684                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 685                     &exact_def);
 686         }
 687         if (status)
 688                 result = screen_def.pixel;
 689         else
 690                 fprintf(stderr, "color '%s' not found.\n", colorname);
 691
 692         return (result);
 693 }
 694
 695 void
 696 setscreencolor(char *val, int i, int c)
 697 {
 698         if (i > 0 && i <= ScreenCount(display)) {
 699                 screens[i - 1].c[c].color = name_to_color(val);
 700                 free(screens[i - 1].c[c].name);
 701                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 702                         errx(1, "strdup");
 703         } else if (i == -1) {
 704                 for (i = 0; i < ScreenCount(display); i++) {
 705                         screens[i].c[c].color = name_to_color(val);
 706                         free(screens[i].c[c].name);
 707                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 708                                 errx(1, "strdup");
 709                 }
 710         } else
 711                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 712                     i, ScreenCount(display));
 713 }
 714
 715 void
 716 custom_region(char *val)
 717 {
 718         unsigned int                    sidx, x, y, w, h;
 719
 720         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 721                 errx(1, "invalid custom region, "
 722                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 723         if (sidx < 1 || sidx > ScreenCount(display))
 724                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 725                     sidx, ScreenCount(display));
 726         sidx--;
 727
 728         if (w < 1 || h < 1)
 729                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 730
 731         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 732             y < 0 || y > DisplayHeight(display, sidx) ||
 733             w + x > DisplayWidth(display, sidx) ||
 734             h + y > DisplayHeight(display, sidx))
 735                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 736                     "(%ux%u)\n", w, h, x, y,
 737                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 738
 739         new_region(&screens[sidx], x, y, w, h);
 740 }
 741
 742 void
 743 socket_setnonblock(int fd)
 744 {
 745         int                     flags;
 746
 747         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 748                 err(1, "fcntl F_GETFL");
 749         flags |= O_NONBLOCK;
 750         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 751                 err(1, "fcntl F_SETFL");
 752 }
 753
 754 void
 755 bar_print(struct swm_region *r, char *s)
 756 {
 757         XClearWindow(display, r->bar_window);
 758         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 759         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 760             strlen(s));
 761 }
 762
 763 void
 764 bar_extra_stop(void)
 765 {
 766         if (bar_pipe[0]) {
 767                 close(bar_pipe[0]);
 768                 bzero(bar_pipe, sizeof bar_pipe);
 769         }
 770         if (bar_pid) {
 771                 kill(bar_pid, SIGTERM);
 772                 bar_pid = 0;
 773         }
 774         strlcpy(bar_ext, "", sizeof bar_ext);
 775         bar_extra = 0;
 776 }
 777
 778 void
 779 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 780 {
 781         int                     do_class, do_name;
 782         Status                  status;
 783         XClassHint              *xch = NULL;
 784
 785         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 786             cur_focus != NULL) {
 787                 if ((xch = XAllocClassHint()) == NULL)
 788                         goto out;
 789                 status = XGetClassHint(display, cur_focus->id, xch);
 790                 if (status == BadWindow || status == BadAlloc)
 791                         goto out;
 792                 do_class = (title_class_enabled && xch->res_class != NULL);
 793                 do_name = (title_name_enabled && xch->res_name != NULL);
 794                 if (do_class)
 795                         strlcat(s, xch->res_class, sz);
 796                 if (do_class && do_name)
 797                         strlcat(s, ":", sz);
 798                 if (do_name)
 799                         strlcat(s, xch->res_name, sz);
 800                 strlcat(s, "    ", sz);
 801         }
 802 out:
 803         if (xch)
 804                 XFree(xch);
 805 }
 806
 807 void
 808 bar_update(void)
 809 {
 810         time_t                  tmt;
 811         struct tm               tm;
 812         struct swm_region       *r;
 813         int                     i, x;
 814         size_t                  len;
 815         char                    s[SWM_BAR_MAX];
 816         char                    loc[SWM_BAR_MAX];
 817         char                    *b;
 818         char                    *stack = "";
 819
 820         if (bar_enabled == 0)
 821                 return;
 822         if (bar_extra && bar_extra_running) {
 823                 /* ignore short reads; it'll correct itself */
 824                 while ((b = fgetln(stdin, &len)) != NULL)
 825                         if (b && b[len - 1] == '\n') {
 826                                 b[len - 1] = '\0';
 827                                 strlcpy(bar_ext, b, sizeof bar_ext);
 828                         }
 829                 if (b == NULL && errno != EAGAIN) {
 830                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 831                             errno, strerror(errno));
 832                         bar_extra_stop();
 833                 }
 834         } else
 835                 strlcpy(bar_ext, "", sizeof bar_ext);
 836
 837         if (clock_enabled == 0)
 838                 strlcpy(s, "", sizeof s);
 839         else {
 840                 time(&tmt);
 841                 localtime_r(&tmt, &tm);
 842                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 843         }
 844
 845         for (i = 0; i < ScreenCount(display); i++) {
 846                 x = 1;
 847                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 848                         if (r && r->ws)
 849                                 bar_class_name(s, sizeof s, r->ws->focus);
 850
 851                         if (stack_enabled)
 852                                 stack = r->ws->cur_layout->name;
 853
 854                         snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
 855                             x++, r->ws->idx + 1, stack, s, bar_ext,
 856                             bar_vertext);
 857                         bar_print(r, loc);
 858                 }
 859         }
 860         alarm(bar_delay);
 861 }
 862
 863 void
 864 bar_signal(int sig)
 865 {
 866         bar_alarm = 1;
 867 }
 868
 869 void
 870 bar_toggle(struct swm_region *r, union arg *args)
 871 {
 872         struct swm_region       *tmpr;
 873         int                     i, sc = ScreenCount(display);
 874
 875         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 876
 877         if (bar_enabled)
 878                 for (i = 0; i < sc; i++)
 879                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 880                                 XUnmapWindow(display, tmpr->bar_window);
 881         else
 882                 for (i = 0; i < sc; i++)
 883                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 884                                 XMapRaised(display, tmpr->bar_window);
 885
 886         bar_enabled = !bar_enabled;
 887
 888         stack();
 889         /* must be after stack */
 890         bar_update();
 891 }
 892
 893 void
 894 bar_refresh(void)
 895 {
 896         XSetWindowAttributes    wa;
 897         struct swm_region       *r;
 898         int                     i;
 899
 900         /* do this here because the conf file is in memory */
 901         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 902                 /* launch external status app */
 903                 bar_extra_running = 1;
 904                 if (pipe(bar_pipe) == -1)
 905                         err(1, "pipe error");
 906                 socket_setnonblock(bar_pipe[0]);
 907                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 908                 if (dup2(bar_pipe[0], 0) == -1)
 909                         errx(1, "dup2");
 910                 if (dup2(bar_pipe[1], 1) == -1)
 911                         errx(1, "dup2");
 912                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 913                         err(1, "could not disable SIGPIPE");
 914                 switch (bar_pid = fork()) {
 915                 case -1:
 916                         err(1, "cannot fork");
 917                         break;
 918                 case 0: /* child */
 919                         close(bar_pipe[0]);
 920                         execvp(bar_argv[0], bar_argv);
 921                         err(1, "%s external app failed", bar_argv[0]);
 922                         break;
 923                 default: /* parent */
 924                         close(bar_pipe[1]);
 925                         break;
 926                 }
 927         }
 928
 929         bzero(&wa, sizeof wa);
 930         for (i = 0; i < ScreenCount(display); i++)
 931                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 932                         wa.border_pixel =
 933                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 934                         wa.background_pixel =
 935                             screens[i].c[SWM_S_COLOR_BAR].color;
 936                         XChangeWindowAttributes(display, r->bar_window,
 937                             CWBackPixel | CWBorderPixel, &wa);
 938                 }
 939         bar_update();
 940 }
 941
 942 void
 943 bar_setup(struct swm_region *r)
 944 {
 945         int                     i;
 946
 947         for (i = 0; bar_fonts[i] != NULL; i++) {
 948                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 949                 if (bar_fs) {
 950                         bar_fidx = i;
 951                         break;
 952                 }
 953         }
 954         if (bar_fonts[i] == NULL)
 955                         errx(1, "couldn't load font");
 956         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 957
 958         r->bar_window = XCreateSimpleWindow(display,
 959             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 960             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 961             r->s->c[SWM_S_COLOR_BAR].color);
 962         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 963         XSetFont(display, bar_gc, bar_fs->fid);
 964         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 965         if (bar_enabled)
 966                 XMapRaised(display, r->bar_window);
 967         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 968
 969         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 970                 err(1, "could not install bar_signal");
 971         bar_refresh();
 972 }
 973
 974 void
 975 set_win_state(struct ws_win *win, long state)
 976 {
 977         long                    data[] = {state, None};
 978
 979         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 980
 981         if (win == NULL)
 982                 return;
 983
 984         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 985             (unsigned char *)data, 2);
 986 }
 987
 988 long
 989 getstate(Window w)
 990 {
 991         int                     format, status;
 992         long                    result = -1;
 993         unsigned char           *p = NULL;
 994         unsigned long           n, extra;
 995         Atom                    real;
 996
 997         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 998             &real, &format, &n, &extra, (unsigned char **)&p);
 999         if (status != Success)
1000                 return (-1);
1001         if (n != 0)
1002                 result = *((long *)p);
1003         XFree(p);
1004         return (result);
1005 }
1006
1007 void
1008 version(struct swm_region *r, union arg *args)
1009 {
1010         bar_version = !bar_version;
1011         if (bar_version)
1012                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1013                     SWM_VERSION, cvstag);
1014         else
1015                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1016         bar_update();
1017 }
1018
1019 void
1020 client_msg(struct ws_win *win, Atom a)
1021 {
1022         XClientMessageEvent     cm;
1023
1024         if (win == NULL)
1025                 return;
1026
1027         bzero(&cm, sizeof cm);
1028         cm.type = ClientMessage;
1029         cm.window = win->id;
1030         cm.message_type = aprot;
1031         cm.format = 32;
1032         cm.data.l[0] = a;
1033         cm.data.l[1] = CurrentTime;
1034         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1035 }
1036
1037 void
1038 configreq_win(struct ws_win *win)
1039 {
1040         XConfigureRequestEvent  cr;
1041
1042         if (win == NULL)
1043                 return;
1044
1045         bzero(&cr, sizeof cr);
1046         cr.type = ConfigureRequest;
1047         cr.display = display;
1048         cr.parent = win->id;
1049         cr.window = win->id;
1050         cr.x = win->g.x;
1051         cr.y = win->g.y;
1052         cr.width = win->g.w;
1053         cr.height = win->g.h;
1054         cr.border_width = 1;
1055
1056         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&cr);
1057 }
1058
1059 void
1060 config_win(struct ws_win *win)
1061 {
1062         XConfigureEvent         ce;
1063
1064         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1065             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1066
1067         if (win == NULL)
1068                 return;
1069
1070         ce.type = ConfigureNotify;
1071         ce.display = display;
1072         ce.event = win->id;
1073         ce.window = win->id;
1074         ce.x = win->g.x;
1075         ce.y = win->g.y;
1076         ce.width = win->g.w;
1077         ce.height = win->g.h;
1078         ce.border_width = 1; /* XXX store this! */
1079         ce.above = None;
1080         ce.override_redirect = False;
1081         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1082 }
1083
1084 int
1085 count_win(struct workspace *ws, int count_transient)
1086 {
1087         struct ws_win           *win;
1088         int                     count = 0;
1089
1090         TAILQ_FOREACH(win, &ws->winlist, entry) {
1091                 if (count_transient == 0 && win->floating)
1092                         continue;
1093                 if (count_transient == 0 && win->transient)
1094                         continue;
1095                 count++;
1096         }
1097         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1098
1099         return (count);
1100 }
1101
1102 void
1103 quit(struct swm_region *r, union arg *args)
1104 {
1105         DNPRINTF(SWM_D_MISC, "quit\n");
1106         running = 0;
1107 }
1108
1109 void
1110 unmap_window(struct ws_win *win)
1111 {
1112         if (win == NULL)
1113                 return;
1114
1115         /* don't unmap again */
1116         if (getstate(win->id) == IconicState)
1117                 return;
1118
1119         set_win_state(win, IconicState);
1120
1121         XUnmapWindow(display, win->id);
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_unmanaged_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].unmanagedlist,
1223                             entry)
1224                                 if (id == win->id)
1225                                         return (win);
1226         return (NULL);
1227 }
1228
1229 struct ws_win *
1230 find_window(Window id)
1231 {
1232         struct ws_win           *win;
1233         int                     i, j;
1234
1235         for (i = 0; i < ScreenCount(display); i++)
1236                 for (j = 0; j < SWM_WS_MAX; j++)
1237                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1238                                 if (id == win->id)
1239                                         return (win);
1240         return (NULL);
1241 }
1242
1243 void
1244 spawn(struct swm_region *r, union arg *args)
1245 {
1246         char                    *ret;
1247         int                     si;
1248
1249         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1250         /*
1251          * The double-fork construct avoids zombie processes and keeps the code
1252          * clean from stupid signal handlers.
1253          */
1254         if (fork() == 0) {
1255                 if (fork() == 0) {
1256                         if (display)
1257                                 close(ConnectionNumber(display));
1258                         setenv("LD_PRELOAD", SWM_LIB, 1);
1259                         if (asprintf(&ret, "%d", r->ws->idx)) {
1260                                 setenv("_SWM_WS", ret, 1);
1261                                 free(ret);
1262                         }
1263                         if (asprintf(&ret, "%d", getpid())) {
1264                                 setenv("_SWM_PID", ret, 1);
1265                                 free(ret);
1266                         }
1267                         setsid();
1268                         /* kill stdin, mplayer, ssh-add etc. need that */
1269                         si = open("/dev/null", O_RDONLY, 0);
1270                         if (si == -1)
1271                                 err(1, "open /dev/null");
1272                         if (dup2(si, 0) == -1)
1273                                 err(1, "dup2 /dev/null");
1274                         execvp(args->argv[0], args->argv);
1275                         fprintf(stderr, "execvp failed\n");
1276                         perror(" failed");
1277                 }
1278                 exit(0);
1279         }
1280 }
1281
1282 void
1283 spawnterm(struct swm_region *r, union arg *args)
1284 {
1285         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1286
1287         if (term_width)
1288                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1289         spawn(r, args);
1290 }
1291
1292 void
1293 kill_refs(struct ws_win *win)
1294 {
1295         int                     i, x;
1296         struct swm_region       *r;
1297         struct workspace        *ws;
1298
1299         if (win == NULL)
1300                 return;
1301
1302         for (i = 0; i < ScreenCount(display); i++)
1303                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1304                         for (x = 0; x < SWM_WS_MAX; x++) {
1305                                 ws = &r->s->ws[x];
1306                                 if (win == ws->focus)
1307                                         ws->focus = NULL;
1308                                 if (win == ws->focus_prev)
1309                                         ws->focus_prev = NULL;
1310                         }
1311 }
1312
1313 int
1314 validate_win(struct ws_win *testwin)
1315 {
1316         struct ws_win           *win;
1317         struct workspace        *ws;
1318         struct swm_region       *r;
1319         int                     i, x, foundit = 0;
1320
1321         if (testwin == NULL)
1322                 return(0);
1323
1324         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1325                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1326                         for (x = 0; x < SWM_WS_MAX; x++) {
1327                                 ws = &r->s->ws[x];
1328                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1329                                         if (win == testwin)
1330                                                 return (0);
1331                         }
1332         return (1);
1333 }
1334
1335 int
1336 validate_ws(struct workspace *testws)
1337 {
1338         struct swm_region       *r;
1339         struct workspace        *ws;
1340         int                     foundit, i, x;
1341
1342         /* validate all ws */
1343         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1344                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1345                         for (x = 0; x < SWM_WS_MAX; x++) {
1346                                 ws = &r->s->ws[x];
1347                                 if (ws == testws)
1348                                         return (0);
1349                         }
1350         return (1);
1351 }
1352
1353 void
1354 unfocus_win(struct ws_win *win)
1355 {
1356         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1357
1358         if (win == NULL)
1359                 return;
1360         if (win->ws == NULL)
1361                 return;
1362
1363         if (validate_ws(win->ws))
1364                 abort();
1365
1366         if (win->ws->r == NULL)
1367                 return;
1368
1369         if (validate_win(win)) {
1370                 kill_refs(win);
1371                 return;
1372         }
1373
1374         if (win->ws->focus == win) {
1375                 win->ws->focus = NULL;
1376                 win->ws->focus_prev = win;
1377         }
1378
1379         if (validate_win(win->ws->focus)) {
1380                 kill_refs(win->ws->focus);
1381                 win->ws->focus = NULL;
1382         }
1383         if (validate_win(win->ws->focus_prev)) {
1384                 kill_refs(win->ws->focus_prev);
1385                 win->ws->focus_prev = NULL;
1386         }
1387
1388         grabbuttons(win, 0);
1389         XSetWindowBorder(display, win->id,
1390             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1391 }
1392
1393 void
1394 unfocus_all_except(struct ws_win *except)
1395 {
1396         struct ws_win           *win;
1397         int                     i, j;
1398
1399         DNPRINTF(SWM_D_FOCUS, "unfocus_all_except: id: %lu\n", except->id);
1400
1401         for (i = 0; i < ScreenCount(display); i++)
1402                 for (j = 0; j < SWM_WS_MAX; j++)
1403                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1404                                 if (win != except)
1405                                         unfocus_win(win);
1406 }
1407
1408 void
1409 focus_win(struct ws_win *win)
1410 {
1411         int                     rtr;
1412         Window                  wf;
1413
1414         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1415
1416         if (win == NULL)
1417                 return;
1418         if (win->ws == NULL)
1419                 return;
1420
1421         if (validate_ws(win->ws))
1422                 abort();
1423         if (validate_win(win)) {
1424                 kill_refs(win);
1425                 return;
1426         }
1427
1428         /* use big hammer to make sure it works under all use cases */
1429         unfocus_all_except(win);
1430
1431         if (validate_win(win)) {
1432                 kill_refs(win);
1433                 return;
1434         }
1435
1436         win->ws->focus = win;
1437
1438         if (win->ws->r != NULL) {
1439                 XGetInputFocus(display, &wf, &rtr);
1440                 if (wf != win->id) {
1441                         grabbuttons(win, 1);
1442                         if (win->java == 0)
1443                                 XSetInputFocus(display, win->id,
1444                                     RevertToParent, CurrentTime);
1445                 }
1446                 XSetWindowBorder(display, win->id,
1447                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1448                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1449                         XMapRaised(display, win->id);
1450         }
1451 }
1452
1453 void
1454 switchws(struct swm_region *r, union arg *args)
1455 {
1456         int                     wsid = args->id;
1457         struct swm_region       *this_r, *other_r;
1458         struct ws_win           *win;
1459         struct workspace        *new_ws, *old_ws;
1460         union arg               a;
1461
1462         if (!(r && r->s))
1463                 return;
1464
1465         this_r = r;
1466         old_ws = this_r->ws;
1467         new_ws = &this_r->s->ws[wsid];
1468
1469         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1470             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1471             old_ws->idx, wsid);
1472
1473         if (new_ws == NULL || old_ws == NULL)
1474                 return;
1475         if (new_ws == old_ws)
1476                 return;
1477
1478         other_r = new_ws->r;
1479         if (other_r == NULL) {
1480                 /* if the other workspace is hidden, switch windows */
1481                 if (old_ws->r != NULL)
1482                         old_ws->old_r = old_ws->r;
1483                 old_ws->r = NULL;
1484
1485                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1486                         unmap_window(win);
1487         } else {
1488                 other_r->ws = old_ws;
1489                 old_ws->r = other_r;
1490         }
1491         this_r->ws = new_ws;
1492         new_ws->r = this_r;
1493
1494         stack();
1495         a.id = SWM_ARG_ID_FOCUSCUR;
1496         focus(new_ws->r, &a);
1497         bar_update();
1498 }
1499
1500 void
1501 cyclews(struct swm_region *r, union arg *args)
1502 {
1503         union                   arg a;
1504         struct swm_screen       *s = r->s;
1505
1506         DNPRINTF(SWM_D_WS, "cyclews id %d "
1507             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1508             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1509
1510         a.id = r->ws->idx;
1511         do {
1512                 switch (args->id) {
1513                 case SWM_ARG_ID_CYCLEWS_UP:
1514                         if (a.id < SWM_WS_MAX - 1)
1515                                 a.id++;
1516                         else
1517                                 a.id = 0;
1518                         break;
1519                 case SWM_ARG_ID_CYCLEWS_DOWN:
1520                         if (a.id > 0)
1521                                 a.id--;
1522                         else
1523                                 a.id = SWM_WS_MAX - 1;
1524                         break;
1525                 default:
1526                         return;
1527                 };
1528
1529                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1530                         continue;
1531                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1532                         continue;
1533
1534                 switchws(r, &a);
1535         } while (a.id != r->ws->idx);
1536 }
1537
1538 void
1539 cyclescr(struct swm_region *r, union arg *args)
1540 {
1541         struct swm_region       *rr = NULL;
1542         union arg               a;
1543         int                     i, x, y;
1544
1545         /* do nothing if we don't have more than one screen */
1546         if (!(ScreenCount(display) > 1 || outputs > 1))
1547                 return;
1548
1549         i = r->s->idx;
1550         switch (args->id) {
1551         case SWM_ARG_ID_CYCLESC_UP:
1552                 rr = TAILQ_NEXT(r, entry);
1553                 if (rr == NULL)
1554                         rr = TAILQ_FIRST(&screens[i].rl);
1555                 break;
1556         case SWM_ARG_ID_CYCLESC_DOWN:
1557                 rr = TAILQ_PREV(r, swm_region_list, entry);
1558                 if (rr == NULL)
1559                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1560                 break;
1561         default:
1562                 return;
1563         };
1564         if (rr == NULL)
1565                 return;
1566
1567         /* move mouse to region */
1568         x = rr->g.x + 1;
1569         y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1570         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1571
1572         a.id = SWM_ARG_ID_FOCUSCUR;
1573         focus(rr, &a);
1574
1575         if (rr->ws->focus) {
1576                 /* move to focus window */
1577                 x = rr->ws->focus->g.x + 1;
1578                 y = rr->ws->focus->g.y + 1;
1579                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1580         }
1581 }
1582
1583 void
1584 swapwin(struct swm_region *r, union arg *args)
1585 {
1586         struct ws_win           *target, *source;
1587         struct ws_win           *cur_focus;
1588         struct ws_win_list      *wl;
1589
1590
1591         DNPRINTF(SWM_D_WS, "swapwin id %d "
1592             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1593             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1594
1595         cur_focus = r->ws->focus;
1596         if (cur_focus == NULL)
1597                 return;
1598
1599         source = cur_focus;
1600         wl = &source->ws->winlist;
1601
1602         switch (args->id) {
1603         case SWM_ARG_ID_SWAPPREV:
1604                 target = TAILQ_PREV(source, ws_win_list, entry);
1605                 TAILQ_REMOVE(wl, cur_focus, entry);
1606                 if (target == NULL)
1607                         TAILQ_INSERT_TAIL(wl, source, entry);
1608                 else
1609                         TAILQ_INSERT_BEFORE(target, source, entry);
1610                 break;
1611         case SWM_ARG_ID_SWAPNEXT:
1612                 target = TAILQ_NEXT(source, entry);
1613                 TAILQ_REMOVE(wl, source, entry);
1614                 if (target == NULL)
1615                         TAILQ_INSERT_HEAD(wl, source, entry);
1616                 else
1617                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1618                 break;
1619         case SWM_ARG_ID_SWAPMAIN:
1620                 target = TAILQ_FIRST(wl);
1621                 if (target == source) {
1622                         if (source->ws->focus_prev != NULL &&
1623                             source->ws->focus_prev != target)
1624
1625                                 source = source->ws->focus_prev;
1626                         else
1627                                 return;
1628                 }
1629                 if (target == NULL || source == NULL)
1630                         return;
1631                 source->ws->focus_prev = target;
1632                 TAILQ_REMOVE(wl, target, entry);
1633                 TAILQ_INSERT_BEFORE(source, target, entry);
1634                 TAILQ_REMOVE(wl, source, entry);
1635                 TAILQ_INSERT_HEAD(wl, source, entry);
1636                 break;
1637         default:
1638                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1639                 return;
1640         }
1641
1642         stack();
1643 }
1644
1645 void
1646 focus_prev(struct ws_win *win)
1647 {
1648         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1649         struct ws_win           *cur_focus = NULL;
1650         struct ws_win_list      *wl = NULL;
1651         struct workspace        *ws = NULL;
1652
1653         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
1654
1655         if (!(win && win->ws))
1656                 return;
1657
1658         ws = win->ws;
1659         wl = &ws->winlist;
1660         cur_focus = ws->focus;
1661         winlostfocus = cur_focus;
1662
1663         /* pickle, just focus on whatever */
1664         if (cur_focus == NULL) {
1665                 /* use prev_focus if valid */
1666                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
1667                     find_window(WINID(ws->focus_prev)))
1668                         winfocus = ws->focus_prev;
1669                 if (winfocus == NULL)
1670                         winfocus = TAILQ_FIRST(wl);
1671                 goto done;
1672         }
1673
1674         /* if transient focus on parent */
1675         if (cur_focus->transient) {
1676                 winfocus = find_window(cur_focus->transient);
1677                 goto done;
1678         }
1679
1680         /* if in max_stack try harder */
1681         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
1682                 if (cur_focus != ws->focus_prev)
1683                         winfocus = ws->focus_prev;
1684                 else if (cur_focus != ws->focus)
1685                         winfocus = ws->focus;
1686                 else
1687                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
1688                 if (winfocus)
1689                         goto done;
1690         }
1691
1692         if (cur_focus == win)
1693                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
1694         if (winfocus == NULL)
1695                 winfocus = TAILQ_LAST(wl, ws_win_list);
1696         if (winfocus == NULL || winfocus == win)
1697                 winfocus = TAILQ_NEXT(cur_focus, entry);
1698 done:
1699         if (winfocus == winlostfocus || winfocus == NULL)
1700                 return;
1701
1702         focus_magic(winfocus, SWM_F_GENERIC);
1703 }
1704
1705 void
1706 focus(struct swm_region *r, union arg *args)
1707 {
1708         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1709         struct ws_win           *cur_focus = NULL;
1710         struct ws_win_list      *wl = NULL;
1711         struct workspace        *ws = NULL;
1712
1713         if (!(r && r->ws))
1714                 return;
1715
1716         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1717
1718         /* treat FOCUS_CUR special */
1719         if (args->id == SWM_ARG_ID_FOCUSCUR) {
1720                 if (r->ws->focus)
1721                         winfocus = r->ws->focus;
1722                 else if (r->ws->focus_prev)
1723                         winfocus = r->ws->focus_prev;
1724                 else
1725                         winfocus = TAILQ_FIRST(&r->ws->winlist);
1726
1727                 focus_magic(winfocus, SWM_F_GENERIC);
1728                 return;
1729         }
1730
1731         if ((cur_focus = r->ws->focus) == NULL)
1732                 return;
1733         ws = r->ws;
1734         wl = &ws->winlist;
1735
1736         winlostfocus = cur_focus;
1737
1738         switch (args->id) {
1739         case SWM_ARG_ID_FOCUSPREV:
1740                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1741                 if (winfocus == NULL)
1742                         winfocus = TAILQ_LAST(wl, ws_win_list);
1743                 break;
1744
1745         case SWM_ARG_ID_FOCUSNEXT:
1746                 winfocus = TAILQ_NEXT(cur_focus, entry);
1747                 if (winfocus == NULL)
1748                         winfocus = TAILQ_FIRST(wl);
1749                 break;
1750
1751         case SWM_ARG_ID_FOCUSMAIN:
1752                 winfocus = TAILQ_FIRST(wl);
1753                 if (winfocus == cur_focus)
1754                         winfocus = cur_focus->ws->focus_prev;
1755                 break;
1756
1757         default:
1758                 return;
1759         }
1760
1761         if (winfocus == winlostfocus || winfocus == NULL)
1762                 return;
1763
1764         focus_magic(winfocus, SWM_F_GENERIC);
1765 }
1766
1767 void
1768 cycle_layout(struct swm_region *r, union arg *args)
1769 {
1770         struct workspace        *ws = r->ws;
1771         struct ws_win           *winfocus;
1772         union arg               a;
1773
1774         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1775
1776         winfocus = ws->focus;
1777
1778         ws->cur_layout++;
1779         if (ws->cur_layout->l_stack == NULL)
1780                 ws->cur_layout = &layouts[0];
1781
1782         stack();
1783         a.id = SWM_ARG_ID_FOCUSCUR;
1784         focus(r, &a);
1785         bar_update();
1786 }
1787
1788 void
1789 stack_config(struct swm_region *r, union arg *args)
1790 {
1791         struct workspace        *ws = r->ws;
1792
1793         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1794             args->id, ws->idx);
1795
1796         if (ws->cur_layout->l_config != NULL)
1797                 ws->cur_layout->l_config(ws, args->id);
1798
1799         if (args->id != SWM_ARG_ID_STACKINIT);
1800                 stack();
1801 }
1802
1803 void
1804 stack(void) {
1805         struct swm_geometry     g;
1806         struct swm_region       *r;
1807         int                     i, j;
1808
1809         DNPRINTF(SWM_D_STACK, "stack\n");
1810
1811         for (i = 0; i < ScreenCount(display); i++) {
1812                 j = 0;
1813                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1814                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1815                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1816
1817                         /* start with screen geometry, adjust for bar */
1818                         g = r->g;
1819                         g.w -= 2;
1820                         g.h -= 2;
1821                         if (bar_enabled) {
1822                                 g.y += bar_height;
1823                                 g.h -= bar_height;
1824                         }
1825                         r->ws->cur_layout->l_stack(r->ws, &g);
1826                 }
1827         }
1828         if (font_adjusted)
1829                 font_adjusted--;
1830 }
1831
1832 void
1833 stack_floater(struct ws_win *win, struct swm_region *r)
1834 {
1835         unsigned int            mask;
1836         XWindowChanges          wc;
1837
1838         if (win == NULL)
1839                 return;
1840
1841         bzero(&wc, sizeof wc);
1842         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1843         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
1844             (win->g.h >= HEIGHT(r)))
1845                 wc.border_width = 0;
1846         else
1847                 wc.border_width = 1;
1848         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1849                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1850                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1851         }
1852         wc.width = win->g.w;
1853         wc.height = win->g.h;
1854         if (win->manual) {
1855                 wc.x = win->g.x;
1856                 wc.y = win->g.y;
1857         } else {
1858                 wc.x = (WIDTH(r) - win->g.w) / 2;
1859                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1860         }
1861
1862         /* adjust for region */
1863         if (wc.x < r->g.x)
1864                 wc.x += r->g.x;
1865         if (wc.y < r->g.y)
1866                 wc.y += r->g.y;
1867
1868         win->g.x = wc.x;
1869         win->g.y = wc.y;
1870         win->g.w = wc.width;
1871         win->g.h = wc.height;
1872
1873         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
1874             win->id, wc.x, wc.y, wc.width, wc.height);
1875
1876         XConfigureWindow(display, win->id, mask, &wc);
1877         configreq_win(win);
1878 }
1879
1880 /*
1881  * Send keystrokes to terminal to decrease/increase the font size as the
1882  * window size changes.
1883  */
1884 void
1885 adjust_font(struct ws_win *win)
1886 {
1887         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1888             win->floating || win->transient)
1889                 return;
1890
1891         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1892             win->g.w / win->sh.width_inc < term_width &&
1893             win->font_steps < SWM_MAX_FONT_STEPS) {
1894                 win->font_size_boundary[win->font_steps] =
1895                     (win->sh.width_inc * term_width) + win->sh.base_width;
1896                 win->font_steps++;
1897                 font_adjusted++;
1898                 win->last_inc = win->sh.width_inc;
1899                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1900         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1901             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1902                 win->font_steps--;
1903                 font_adjusted++;
1904                 win->last_inc = win->sh.width_inc;
1905                 fake_keypress(win, XK_KP_Add, ShiftMask);
1906         }
1907 }
1908
1909 #define SWAPXY(g)       do {                            \
1910         int tmp;                                        \
1911         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1912         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1913 } while (0)
1914 void
1915 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1916 {
1917         XWindowChanges          wc;
1918         struct swm_geometry     win_g, r_g = *g;
1919         struct ws_win           *win;
1920         int                     i, j, s, stacks;
1921         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1922         int                     hrh, extra = 0, h_slice, last_h = 0;
1923         int                     split, colno, winno, mwin, msize, mscale;
1924         int                     remain, missing, v_slice, reconfigure;
1925         unsigned int            mask;
1926
1927         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1928             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1929
1930         winno = count_win(ws, 0);
1931         if (winno == 0 && count_win(ws, 1) == 0)
1932                 return;
1933
1934         TAILQ_FOREACH(win, &ws->winlist, entry)
1935                 if (win->transient == 0 && win->floating == 0)
1936                         break;
1937
1938         if (win == NULL)
1939                 goto notiles;
1940
1941         if (rot) {
1942                 w_inc = win->sh.width_inc;
1943                 w_base = win->sh.base_width;
1944                 mwin = ws->l_state.horizontal_mwin;
1945                 mscale = ws->l_state.horizontal_msize;
1946                 stacks = ws->l_state.horizontal_stacks;
1947                 SWAPXY(&r_g);
1948         } else {
1949                 w_inc = win->sh.height_inc;
1950                 w_base = win->sh.base_height;
1951                 mwin = ws->l_state.vertical_mwin;
1952                 mscale = ws->l_state.vertical_msize;
1953                 stacks = ws->l_state.vertical_stacks;
1954         }
1955         win_g = r_g;
1956
1957         if (stacks > winno - mwin)
1958                 stacks = winno - mwin;
1959         if (stacks < 1)
1960                 stacks = 1;
1961
1962         h_slice = r_g.h / SWM_H_SLICE;
1963         if (mwin && winno > mwin) {
1964                 v_slice = r_g.w / SWM_V_SLICE;
1965
1966                 split = mwin;
1967                 colno = split;
1968                 win_g.w = v_slice * mscale;
1969
1970                 if (w_inc > 1 && w_inc < v_slice) {
1971                         /* adjust for window's requested size increment */
1972                         remain = (win_g.w - w_base) % w_inc;
1973                         missing = w_inc - remain;
1974                         win_g.w -= remain;
1975                         extra += remain;
1976                 }
1977
1978                 msize = win_g.w;
1979                 if (flip)
1980                         win_g.x += r_g.w - msize;
1981         } else {
1982                 msize = -2;
1983                 colno = split = winno / stacks;
1984                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1985         }
1986         hrh = r_g.h / colno;
1987         extra = r_g.h - (colno * hrh);
1988         win_g.h = hrh - 2;
1989
1990         /*  stack all the tiled windows */
1991         i = j = 0, s = stacks;
1992         TAILQ_FOREACH(win, &ws->winlist, entry) {
1993                 if (win->transient != 0 || win->floating != 0)
1994                         continue;
1995
1996                 if (split && i == split) {
1997                         colno = (winno - mwin) / stacks;
1998                         if (s <= (winno - mwin) % stacks)
1999                                 colno++;
2000                         split = split + colno;
2001                         hrh = (r_g.h / colno);
2002                         extra = r_g.h - (colno * hrh);
2003                         if (flip)
2004                                 win_g.x = r_g.x;
2005                         else
2006                                 win_g.x += win_g.w + 2;
2007                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
2008                         if (s == 1)
2009                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
2010                                     stacks;
2011                         s--;
2012                         j = 0;
2013                 }
2014                 win_g.h = hrh - 2;
2015                 if (rot) {
2016                         h_inc = win->sh.width_inc;
2017                         h_base = win->sh.base_width;
2018                 } else {
2019                         h_inc = win->sh.height_inc;
2020                         h_base = win->sh.base_height;
2021                 }
2022                 if (j == colno - 1) {
2023                         win_g.h = hrh + extra;
2024                 } else if (h_inc > 1 && h_inc < h_slice) {
2025                         /* adjust for window's requested size increment */
2026                         remain = (win_g.h - h_base) % h_inc;
2027                         missing = h_inc - remain;
2028
2029                         if (missing <= extra || j == 0) {
2030                                 extra -= missing;
2031                                 win_g.h += missing;
2032                         } else {
2033                                 win_g.h -= remain;
2034                                 extra += remain;
2035                         }
2036                 }
2037
2038                 if (j == 0)
2039                         win_g.y = r_g.y;
2040                 else
2041                         win_g.y += last_h + 2;
2042
2043                 bzero(&wc, sizeof wc);
2044                 wc.border_width = 1;
2045                 reconfigure = 0;
2046                 if (rot) {
2047                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2048                             win->g.w != win_g.h || win->g.h != win_g.w) {
2049                                 reconfigure = 1;
2050                                 win->g.x = wc.x = win_g.y;
2051                                 win->g.y = wc.y = win_g.x;
2052                                 win->g.w = wc.width = win_g.h;
2053                                 win->g.h = wc.height = win_g.w;
2054                         }
2055                 } else {
2056                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2057                             win->g.w != win_g.w || win->g.h != win_g.h) {
2058                                 reconfigure = 1;
2059                                 win->g.x = wc.x = win_g.x;
2060                                 win->g.y = wc.y = win_g.y;
2061                                 win->g.w = wc.width = win_g.w;
2062                                 win->g.h = wc.height = win_g.h;
2063                         }
2064                 }
2065                 if (reconfigure) {
2066                         adjust_font(win);
2067                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2068                         XConfigureWindow(display, win->id, mask, &wc);
2069                         configreq_win(win);
2070                 }
2071                 XMapRaised(display, win->id);
2072
2073                 last_h = win_g.h;
2074                 i++;
2075                 j++;
2076         }
2077
2078  notiles:
2079         /* now, stack all the floaters and transients */
2080         TAILQ_FOREACH(win, &ws->winlist, entry) {
2081                 if (win->transient == 0 && win->floating == 0)
2082                         continue;
2083
2084                 stack_floater(win, ws->r);
2085                 XMapRaised(display, win->id);
2086         }
2087 }
2088
2089 void
2090 vertical_config(struct workspace *ws, int id)
2091 {
2092         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2093
2094         switch (id) {
2095         case SWM_ARG_ID_STACKRESET:
2096         case SWM_ARG_ID_STACKINIT:
2097                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2098                 ws->l_state.vertical_mwin = 1;
2099                 ws->l_state.vertical_stacks = 1;
2100                 break;
2101         case SWM_ARG_ID_MASTERSHRINK:
2102                 if (ws->l_state.vertical_msize > 1)
2103                         ws->l_state.vertical_msize--;
2104                 break;
2105         case SWM_ARG_ID_MASTERGROW:
2106                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2107                         ws->l_state.vertical_msize++;
2108                 break;
2109         case SWM_ARG_ID_MASTERADD:
2110                 ws->l_state.vertical_mwin++;
2111                 break;
2112         case SWM_ARG_ID_MASTERDEL:
2113                 if (ws->l_state.vertical_mwin > 0)
2114                         ws->l_state.vertical_mwin--;
2115                 break;
2116         case SWM_ARG_ID_STACKINC:
2117                 ws->l_state.vertical_stacks++;
2118                 break;
2119         case SWM_ARG_ID_STACKDEC:
2120                 if (ws->l_state.vertical_stacks > 1)
2121                         ws->l_state.vertical_stacks--;
2122                 break;
2123         default:
2124                 return;
2125         }
2126 }
2127
2128 void
2129 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2130 {
2131         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2132
2133         stack_master(ws, g, 0, 0);
2134 }
2135
2136 void
2137 horizontal_config(struct workspace *ws, int id)
2138 {
2139         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2140
2141         switch (id) {
2142         case SWM_ARG_ID_STACKRESET:
2143         case SWM_ARG_ID_STACKINIT:
2144                 ws->l_state.horizontal_mwin = 1;
2145                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2146                 ws->l_state.horizontal_stacks = 1;
2147                 break;
2148         case SWM_ARG_ID_MASTERSHRINK:
2149                 if (ws->l_state.horizontal_msize > 1)
2150                         ws->l_state.horizontal_msize--;
2151                 break;
2152         case SWM_ARG_ID_MASTERGROW:
2153                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2154                         ws->l_state.horizontal_msize++;
2155                 break;
2156         case SWM_ARG_ID_MASTERADD:
2157                 ws->l_state.horizontal_mwin++;
2158                 break;
2159         case SWM_ARG_ID_MASTERDEL:
2160                 if (ws->l_state.horizontal_mwin > 0)
2161                         ws->l_state.horizontal_mwin--;
2162                 break;
2163         case SWM_ARG_ID_STACKINC:
2164                 ws->l_state.horizontal_stacks++;
2165                 break;
2166         case SWM_ARG_ID_STACKDEC:
2167                 if (ws->l_state.horizontal_stacks > 1)
2168                         ws->l_state.horizontal_stacks--;
2169                 break;
2170         default:
2171                 return;
2172         }
2173 }
2174
2175 void
2176 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2177 {
2178         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2179
2180         stack_master(ws, g, 1, 0);
2181 }
2182
2183 /* fullscreen view */
2184 void
2185 max_stack(struct workspace *ws, struct swm_geometry *g)
2186 {
2187         XWindowChanges          wc;
2188         struct swm_geometry     gg = *g;
2189         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2190         unsigned int            mask;
2191         int                     winno;
2192
2193         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2194
2195         if (ws == NULL)
2196                 return;
2197
2198         winno = count_win(ws, 0);
2199         if (winno == 0 && count_win(ws, 1) == 0)
2200                 return;
2201
2202         TAILQ_FOREACH(win, &ws->winlist, entry) {
2203                 if (win->transient) {
2204                         wintrans = win;
2205                         parent = find_window(win->transient);
2206                         continue;
2207                 }
2208
2209                 /* only reconfigure if necessary */
2210                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2211                     win->g.h != gg.h) {
2212                         bzero(&wc, sizeof wc);
2213                         wc.border_width = 1;
2214                         win->g.x = wc.x = gg.x;
2215                         win->g.y = wc.y = gg.y;
2216                         win->g.w = wc.width = gg.w;
2217                         win->g.h = wc.height = gg.h;
2218                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2219                         XConfigureWindow(display, win->id, mask, &wc);
2220                         configreq_win(win);
2221                 }
2222                 /* unmap only if we don't have multi screen */
2223                 if (win != ws->focus)
2224                         if (!(ScreenCount(display) > 1 || outputs > 1))
2225                                 unmap_window(win);
2226         }
2227
2228         /* put the last transient on top */
2229         if (wintrans) {
2230                 if (parent)
2231                         XMapRaised(display, parent->id);
2232                 stack_floater(wintrans, ws->r);
2233                 focus_magic(wintrans, SWM_F_TRANSIENT);
2234         }
2235 }
2236
2237 void
2238 send_to_ws(struct swm_region *r, union arg *args)
2239 {
2240         int                     wsid = args->id;
2241         struct ws_win           *win = win;
2242         struct workspace        *ws, *nws;
2243         Atom                    ws_idx_atom = 0;
2244         unsigned char           ws_idx_str[SWM_PROPLEN];
2245         union arg               a;
2246
2247         if (r && r->ws)
2248                 win = r->ws->focus;
2249         else
2250                 return;
2251         if (win == NULL)
2252                 return;
2253         if (win->ws->idx == wsid)
2254                 return;
2255
2256         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2257
2258         ws = win->ws;
2259         nws = &win->s->ws[wsid];
2260
2261         a.id = SWM_ARG_ID_FOCUSPREV;
2262         focus(r, &a);
2263         unmap_window(win);
2264         TAILQ_REMOVE(&ws->winlist, win, entry);
2265         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2266         win->ws = nws;
2267
2268         /* Try to update the window's workspace property */
2269         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2270         if (ws_idx_atom &&
2271             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2272                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2273                     ws_idx_str);
2274                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2275                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2276         }
2277         stack();
2278 }
2279
2280 void
2281 wkill(struct swm_region *r, union arg *args)
2282 {
2283         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2284
2285         if(r->ws->focus == NULL)
2286                 return;
2287
2288         if (args->id == SWM_ARG_ID_KILLWINDOW)
2289                 XKillClient(display, r->ws->focus->id);
2290         else
2291                 if (r->ws->focus->can_delete)
2292                         client_msg(r->ws->focus, adelete);
2293 }
2294
2295 void
2296 floating_toggle(struct swm_region *r, union arg *args)
2297 {
2298         struct ws_win   *win = r->ws->focus;
2299         union arg       a;
2300
2301         if (win == NULL)
2302                 return;
2303
2304         win->floating = !win->floating;
2305         win->manual = 0;
2306         stack();
2307         a.id = SWM_ARG_ID_FOCUSCUR;
2308         focus(win->ws->r, &a);
2309 }
2310
2311 void
2312 resize_window(struct ws_win *win, int center)
2313 {
2314         unsigned int            mask;
2315         XWindowChanges          wc;
2316         struct swm_region       *r;
2317
2318         r = root_to_region(win->wa.root);
2319         bzero(&wc, sizeof wc);
2320         mask = CWBorderWidth | CWWidth | CWHeight;
2321         wc.border_width = 1;
2322         wc.width = win->g.w;
2323         wc.height = win->g.h;
2324         if (center == SWM_ARG_ID_CENTER) {
2325                 wc.x = (WIDTH(r) - win->g.w) / 2;
2326                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2327                 mask |= CWX | CWY;
2328         }
2329
2330         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2331             win->id, wc.x, wc.y, wc.width, wc.height);
2332
2333         XConfigureWindow(display, win->id, mask, &wc);
2334         configreq_win(win);
2335 }
2336
2337 void
2338 resize(struct ws_win *win, union arg *args)
2339 {
2340         XEvent                  ev;
2341         Time                    time = 0;
2342         struct swm_region       *r = win->ws->r;
2343
2344         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
2345             win->id, win->floating, win->transient);
2346
2347         if (!(win->transient != 0 || win->floating != 0))
2348                 return;
2349
2350         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2351             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2352                 return;
2353         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2354         do {
2355                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2356                     SubstructureRedirectMask, &ev);
2357                 switch(ev.type) {
2358                 case ConfigureRequest:
2359                 case Expose:
2360                 case MapRequest:
2361                         handler[ev.type](&ev);
2362                         break;
2363                 case MotionNotify:
2364                         /* do not allow resize outside of region */
2365                         if (ev.xmotion.y_root < r->g.y ||
2366                             ev.xmotion.y_root >= r->g.y + r->g.h - 1)
2367                                 continue;
2368                         if (ev.xmotion.x_root < r->g.x ||
2369                             ev.xmotion.x_root >= r->g.x + r->g.w - 1)
2370                                 continue;
2371
2372                         if (ev.xmotion.x <= 1)
2373                                 ev.xmotion.x = 1;
2374                         if (ev.xmotion.y <= 1)
2375                                 ev.xmotion.y = 1;
2376                         win->g.w = ev.xmotion.x;
2377                         win->g.h = ev.xmotion.y;
2378
2379                         /* not free, don't sync more than 60 times / second */
2380                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2381                                 time = ev.xmotion.time;
2382                                 XSync(display, False);
2383                                 resize_window(win, args->id);
2384                         }
2385                         break;
2386                 }
2387         } while (ev.type != ButtonRelease);
2388         if (time) {
2389                 XSync(display, False);
2390                 resize_window(win, args->id);
2391         }
2392         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2393             win->g.h - 1);
2394         XUngrabPointer(display, CurrentTime);
2395
2396         /* drain events */
2397         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2398 }
2399
2400 void
2401 move_window(struct ws_win *win)
2402 {
2403         unsigned int            mask;
2404         XWindowChanges          wc;
2405         struct swm_region       *r;
2406
2407         r = root_to_region(win->wa.root);
2408         bzero(&wc, sizeof wc);
2409         mask = CWX | CWY;
2410         wc.x = win->g.x;
2411         wc.y = win->g.y;
2412
2413         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2414             win->id, wc.x, wc.y, wc.width, wc.height);
2415
2416         XConfigureWindow(display, win->id, mask, &wc);
2417         configreq_win(win);
2418 }
2419
2420 void
2421 move(struct ws_win *win, union arg *args)
2422 {
2423         XEvent                  ev;
2424         Time                    time = 0;
2425         int                     restack = 0;
2426         struct swm_region       *r = win->ws->r;
2427
2428         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
2429             win->id, win->floating, win->transient);
2430
2431         if (win->floating == 0) {
2432                 win->floating = 1;
2433                 win->manual = 1;
2434                 restack = 1;
2435         }
2436
2437         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2438             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2439                 return;
2440         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2441         do {
2442                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2443                     SubstructureRedirectMask, &ev);
2444                 switch(ev.type) {
2445                 case ConfigureRequest:
2446                 case Expose:
2447                 case MapRequest:
2448                         handler[ev.type](&ev);
2449                         break;
2450                 case MotionNotify:
2451                         /* don't allow to move window out of region */
2452                         if (ev.xmotion.y_root < r->g.y ||
2453                             ev.xmotion.y_root + win->g.h >= r->g.y + r->g.h - 1)
2454                                 continue;
2455                         if (ev.xmotion.x_root < r->g.x ||
2456                             ev.xmotion.x_root + win->g.w >= r->g.x + r->g.w - 1)
2457                                 continue;
2458
2459                         win->g.x = ev.xmotion.x_root;
2460                         win->g.y = ev.xmotion.y_root;
2461
2462                         /* not free, don't sync more than 60 times / second */
2463                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2464                                 time = ev.xmotion.time;
2465                                 XSync(display, False);
2466                                 move_window(win);
2467                         }
2468                         break;
2469                 }
2470         } while (ev.type != ButtonRelease);
2471         if (time) {
2472                 XSync(display, False);
2473                 move_window(win);
2474         }
2475         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2476         XUngrabPointer(display, CurrentTime);
2477         if (restack)
2478                 stack();
2479
2480         /* drain events */
2481         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2482 }
2483
2484 /* key definitions */
2485 void
2486 dummykeyfunc(struct swm_region *r, union arg *args)
2487 {
2488 };
2489
2490 void
2491 legacyfunc(struct swm_region *r, union arg *args)
2492 {
2493 };
2494
2495 struct keyfunc {
2496         char                    name[SWM_FUNCNAME_LEN];
2497         void                    (*func)(struct swm_region *r, union arg *);
2498         union arg               args;
2499 } keyfuncs[kf_invalid + 1] = {
2500         /* name                 function        argument */
2501         { "cycle_layout",       cycle_layout,   {0} },
2502         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2503         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2504         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2505         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2506         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2507         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2508         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2509         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2510         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2511         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2512         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2513         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2514         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2515         { "spawn_menu",         legacyfunc,     {0} },
2516         { "quit",               quit,           {0} },
2517         { "restart",            restart,        {0} },
2518         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2519         { "ws_1",               switchws,       {.id = 0} },
2520         { "ws_2",               switchws,       {.id = 1} },
2521         { "ws_3",               switchws,       {.id = 2} },
2522         { "ws_4",               switchws,       {.id = 3} },
2523         { "ws_5",               switchws,       {.id = 4} },
2524         { "ws_6",               switchws,       {.id = 5} },
2525         { "ws_7",               switchws,       {.id = 6} },
2526         { "ws_8",               switchws,       {.id = 7} },
2527         { "ws_9",               switchws,       {.id = 8} },
2528         { "ws_10",              switchws,       {.id = 9} },
2529         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2530         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2531         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2532         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2533         { "mvws_1",             send_to_ws,     {.id = 0} },
2534         { "mvws_2",             send_to_ws,     {.id = 1} },
2535         { "mvws_3",             send_to_ws,     {.id = 2} },
2536         { "mvws_4",             send_to_ws,     {.id = 3} },
2537         { "mvws_5",             send_to_ws,     {.id = 4} },
2538         { "mvws_6",             send_to_ws,     {.id = 5} },
2539         { "mvws_7",             send_to_ws,     {.id = 6} },
2540         { "mvws_8",             send_to_ws,     {.id = 7} },
2541         { "mvws_9",             send_to_ws,     {.id = 8} },
2542         { "mvws_10",            send_to_ws,     {.id = 9} },
2543         { "bar_toggle",         bar_toggle,     {0} },
2544         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2545         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2546         { "screenshot_all",     legacyfunc,     {0} },
2547         { "screenshot_wind",    legacyfunc,     {0} },
2548         { "float_toggle",       floating_toggle,{0} },
2549         { "version",            version,        {0} },
2550         { "spawn_lock",         legacyfunc,     {0} },
2551         { "spawn_initscr",      legacyfunc,     {0} },
2552         { "spawn_custom",       dummykeyfunc,   {0} },
2553         { "dumpwins",           dumpwins,       {0} },
2554         { "invalid key func",   NULL,           {0} },
2555 };
2556 struct key {
2557         unsigned int            mod;
2558         KeySym                  keysym;
2559         enum keyfuncid          funcid;
2560         char                    *spawn_name;
2561 };
2562 int                             keys_size = 0, keys_length = 0;
2563 struct key                      *keys = NULL;
2564
2565 /* mouse */
2566 enum { client_click, root_click };
2567 struct button {
2568         unsigned int            action;
2569         unsigned int            mask;
2570         unsigned int            button;
2571         void                    (*func)(struct ws_win *, union arg *);
2572         union arg               args;
2573 } buttons[] = {
2574           /* action     key             mouse button    func    args */
2575         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2576         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2577         { client_click, MODKEY,         Button1,        move,   {0} },
2578 };
2579
2580 void
2581 update_modkey(unsigned int mod)
2582 {
2583         int                     i;
2584
2585         mod_key = mod;
2586         for (i = 0; i < keys_length; i++)
2587                 if (keys[i].mod & ShiftMask)
2588                         keys[i].mod = mod | ShiftMask;
2589                 else
2590                         keys[i].mod = mod;
2591
2592         for (i = 0; i < LENGTH(buttons); i++)
2593                 if (buttons[i].mask & ShiftMask)
2594                         buttons[i].mask = mod | ShiftMask;
2595                 else
2596                         buttons[i].mask = mod;
2597 }
2598
2599 /* spawn */
2600 struct spawn_prog {
2601         char                    *name;
2602         int                     argc;
2603         char                    **argv;
2604 };
2605
2606 int                             spawns_size = 0, spawns_length = 0;
2607 struct spawn_prog               *spawns = NULL;
2608
2609 void
2610 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2611 {
2612         union arg               a;
2613         struct spawn_prog       *prog = NULL;
2614         int                     i;
2615         char                    *ap, **real_args;
2616
2617         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2618
2619         /* find program */
2620         for (i = 0; i < spawns_length; i++) {
2621                 if (!strcasecmp(spawn_name, spawns[i].name))
2622                         prog = &spawns[i];
2623         }
2624         if (prog == NULL) {
2625                 fprintf(stderr, "spawn_custom: program %s not found\n",
2626                     spawn_name);
2627                 return;
2628         }
2629
2630         /* make room for expanded args */
2631         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2632                 err(1, "spawn_custom: calloc real_args");
2633
2634         /* expand spawn_args into real_args */
2635         for (i = 0; i < prog->argc; i++) {
2636                 ap = prog->argv[i];
2637                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2638                 if (!strcasecmp(ap, "$bar_border")) {
2639                         if ((real_args[i] =
2640                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2641                             == NULL)
2642                                 err(1,  "spawn_custom border color");
2643                 } else if (!strcasecmp(ap, "$bar_color")) {
2644                         if ((real_args[i] =
2645                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2646                             == NULL)
2647                                 err(1, "spawn_custom bar color");
2648                 } else if (!strcasecmp(ap, "$bar_font")) {
2649                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2650                             == NULL)
2651                                 err(1, "spawn_custom bar fonts");
2652                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2653                         if ((real_args[i] =
2654                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2655                             == NULL)
2656                                 err(1, "spawn_custom color font");
2657                 } else if (!strcasecmp(ap, "$color_focus")) {
2658                         if ((real_args[i] =
2659                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2660                             == NULL)
2661                                 err(1, "spawn_custom color focus");
2662                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2663                         if ((real_args[i] =
2664                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2665                             == NULL)
2666                                 err(1, "spawn_custom color unfocus");
2667                 } else {
2668                         /* no match --> copy as is */
2669                         if ((real_args[i] = strdup(ap)) == NULL)
2670                                 err(1, "spawn_custom strdup(ap)");
2671                 }
2672                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2673                     real_args[i]);
2674         }
2675
2676 #ifdef SWM_DEBUG
2677         if ((swm_debug & SWM_D_SPAWN) != 0) {
2678                 fprintf(stderr, "spawn_custom: result = ");
2679                 for (i = 0; i < prog->argc; i++)
2680                         fprintf(stderr, "\"%s\" ", real_args[i]);
2681                 fprintf(stderr, "\n");
2682         }
2683 #endif
2684
2685         a.argv = real_args;
2686         spawn(r, &a);
2687         for (i = 0; i < prog->argc; i++)
2688                 free(real_args[i]);
2689         free(real_args);
2690 }
2691
2692 void
2693 setspawn(struct spawn_prog *prog)
2694 {
2695         int                     i, j;
2696
2697         if (prog == NULL || prog->name == NULL)
2698                 return;
2699
2700         /* find existing */
2701         for (i = 0; i < spawns_length; i++) {
2702                 if (!strcmp(spawns[i].name, prog->name)) {
2703                         /* found */
2704                         if (prog->argv == NULL) {
2705                                 /* delete */
2706                                 DNPRINTF(SWM_D_SPAWN,
2707                                     "setspawn: delete #%d %s\n",
2708                                     i, spawns[i].name);
2709                                 free(spawns[i].name);
2710                                 for (j = 0; j < spawns[i].argc; j++)
2711                                         free(spawns[i].argv[j]);
2712                                 free(spawns[i].argv);
2713                                 j = spawns_length - 1;
2714                                 if (i < j)
2715                                         spawns[i] = spawns[j];
2716                                 spawns_length--;
2717                                 free(prog->name);
2718                         } else {
2719                                 /* replace */
2720                                 DNPRINTF(SWM_D_SPAWN,
2721                                     "setspawn: replace #%d %s\n",
2722                                     i, spawns[i].name);
2723                                 free(spawns[i].name);
2724                                 for (j = 0; j < spawns[i].argc; j++)
2725                                         free(spawns[i].argv[j]);
2726                                 free(spawns[i].argv);
2727                                 spawns[i] = *prog;
2728                         }
2729                         /* found case handled */
2730                         free(prog);
2731                         return;
2732                 }
2733         }
2734
2735         if (prog->argv == NULL) {
2736                 fprintf(stderr,
2737                     "error: setspawn: cannot find program %s", prog->name);
2738                 free(prog);
2739                 return;
2740         }
2741
2742         /* not found: add */
2743         if (spawns_size == 0 || spawns == NULL) {
2744                 spawns_size = 4;
2745                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2746                 spawns = malloc((size_t)spawns_size *
2747                     sizeof(struct spawn_prog));
2748                 if (spawns == NULL) {
2749                         fprintf(stderr, "setspawn: malloc failed\n");
2750                         perror(" failed");
2751                         quit(NULL, NULL);
2752                 }
2753         } else if (spawns_length == spawns_size) {
2754                 spawns_size *= 2;
2755                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2756                 spawns = realloc(spawns, (size_t)spawns_size *
2757                     sizeof(struct spawn_prog));
2758                 if (spawns == NULL) {
2759                         fprintf(stderr, "setspawn: realloc failed\n");
2760                         perror(" failed");
2761                         quit(NULL, NULL);
2762                 }
2763         }
2764
2765         if (spawns_length < spawns_size) {
2766                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2767                     spawns_length, prog->name);
2768                 i = spawns_length++;
2769                 spawns[i] = *prog;
2770         } else {
2771                 fprintf(stderr, "spawns array problem?\n");
2772                 if (spawns == NULL) {
2773                         fprintf(stderr, "spawns array is NULL!\n");
2774                         quit(NULL, NULL);
2775                 }
2776         }
2777         free(prog);
2778 }
2779
2780 int
2781 setconfspawn(char *selector, char *value, int flags)
2782 {
2783         struct spawn_prog       *prog;
2784         char                    *vp, *cp, *word;
2785
2786         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2787         if ((prog = calloc(1, sizeof *prog)) == NULL)
2788                 err(1, "setconfspawn: calloc prog");
2789         prog->name = strdup(selector);
2790         if (prog->name == NULL)
2791                 err(1, "setconfspawn prog->name");
2792         if ((cp = vp = strdup(value)) == NULL)
2793                 err(1, "setconfspawn: strdup(value) ");
2794         while ((word = strsep(&cp, " \t")) != NULL) {
2795                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2796                 if (cp)
2797                         cp += (long)strspn(cp, " \t");
2798                 if (strlen(word) > 0) {
2799                         prog->argc++;
2800                         prog->argv = realloc(prog->argv,
2801                             prog->argc * sizeof(char *));
2802                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2803                                 err(1, "setconfspawn: strdup");
2804                 }
2805         }
2806         free(vp);
2807
2808         setspawn(prog);
2809
2810         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2811         return (0);
2812 }
2813
2814 void
2815 setup_spawn(void)
2816 {
2817         setconfspawn("term",            "xterm",                0);
2818         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2819         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2820         setconfspawn("lock",            "xlock",                0);
2821         setconfspawn("initscr",         "initscreen.sh",        0);
2822         setconfspawn("menu",            "dmenu_run"
2823                                         " -fn $bar_font"
2824                                         " -nb $bar_color"
2825                                         " -nf $bar_font_color"
2826                                         " -sb $bar_border"
2827                                         " -sf $bar_color",      0);
2828 }
2829
2830 /* key bindings */
2831 #define SWM_MODNAME_SIZE        32
2832 #define SWM_KEY_WS              "\n+ \t"
2833 int
2834 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2835 {
2836         char                    *cp, *name;
2837         KeySym                  uks;
2838         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2839         if (mod == NULL || ks == NULL) {
2840                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2841                 return (1);
2842         }
2843         if (keystr == NULL || strlen(keystr) == 0) {
2844                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2845                 return (1);
2846         }
2847         cp = keystr;
2848         *ks = NoSymbol;
2849         *mod = 0;
2850         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2851                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2852                 if (cp)
2853                         cp += (long)strspn(cp, SWM_KEY_WS);
2854                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2855                         *mod |= currmod;
2856                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2857                         *mod |= Mod1Mask;
2858                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2859                         *mod += Mod2Mask;
2860                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2861                         *mod |= Mod3Mask;
2862                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2863                         *mod |= Mod4Mask;
2864                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2865                         *mod |= ShiftMask;
2866                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2867                         *mod |= ControlMask;
2868                 else {
2869                         *ks = XStringToKeysym(name);
2870                         XConvertCase(*ks, ks, &uks);
2871                         if (ks == NoSymbol) {
2872                                 DNPRINTF(SWM_D_KEY,
2873                                     "parsekeys: invalid key %s\n",
2874                                     name);
2875                                 return (1);
2876                         }
2877                 }
2878         }
2879         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2880         return (0);
2881 }
2882
2883 char *
2884 strdupsafe(char *str)
2885 {
2886         if (str == NULL)
2887                 return (NULL);
2888         else
2889                 return (strdup(str));
2890 }
2891
2892 void
2893 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2894 {
2895         int                     i, j;
2896         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2897             keyfuncs[kfid].name, spawn_name);
2898         /* find existing */
2899         for (i = 0; i < keys_length; i++) {
2900                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2901                         if (kfid == kf_invalid) {
2902                                 /* found: delete */
2903                                 DNPRINTF(SWM_D_KEY,
2904                                     "setkeybinding: delete #%d %s\n",
2905                                     i, keyfuncs[keys[i].funcid].name);
2906                                 free(keys[i].spawn_name);
2907                                 j = keys_length - 1;
2908                                 if (i < j)
2909                                         keys[i] = keys[j];
2910                                 keys_length--;
2911                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2912                                 return;
2913                         } else {
2914                                 /* found: replace */
2915                                 DNPRINTF(SWM_D_KEY,
2916                                     "setkeybinding: replace #%d %s %s\n",
2917                                     i, keyfuncs[keys[i].funcid].name,
2918                                     spawn_name);
2919                                 free(keys[i].spawn_name);
2920                                 keys[i].mod = mod;
2921                                 keys[i].keysym = ks;
2922                                 keys[i].funcid = kfid;
2923                                 keys[i].spawn_name = strdupsafe(spawn_name);
2924                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2925                                 return;
2926                         }
2927                 }
2928         }
2929         if (kfid == kf_invalid) {
2930                 fprintf(stderr,
2931                     "error: setkeybinding: cannot find mod/key combination");
2932                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2933                 return;
2934         }
2935         /* not found: add */
2936         if (keys_size == 0 || keys == NULL) {
2937                 keys_size = 4;
2938                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2939                 keys = malloc((size_t)keys_size * sizeof(struct key));
2940                 if (!keys) {
2941                         fprintf(stderr, "malloc failed\n");
2942                         perror(" failed");
2943                         quit(NULL, NULL);
2944                 }
2945         } else if (keys_length == keys_size) {
2946                 keys_size *= 2;
2947                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2948                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2949                 if (!keys) {
2950                         fprintf(stderr, "realloc failed\n");
2951                         perror(" failed");
2952                         quit(NULL, NULL);
2953                 }
2954         }
2955         if (keys_length < keys_size) {
2956                 j = keys_length++;
2957                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2958                     j, keyfuncs[kfid].name, spawn_name);
2959                 keys[j].mod = mod;
2960                 keys[j].keysym = ks;
2961                 keys[j].funcid = kfid;
2962                 keys[j].spawn_name = strdupsafe(spawn_name);
2963         } else {
2964                 fprintf(stderr, "keys array problem?\n");
2965                 if (!keys) {
2966                         fprintf(stderr, "keys array problem\n");
2967                         quit(NULL, NULL);
2968                 }
2969         }
2970         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2971 }
2972
2973 int
2974 setconfbinding(char *selector, char *value, int flags)
2975 {
2976         enum keyfuncid          kfid;
2977         unsigned int            mod;
2978         KeySym                  ks;
2979         int                     i;
2980         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2981         if (selector == NULL) {
2982                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2983                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2984                         kfid = kf_invalid;
2985                         setkeybinding(mod, ks, kfid, NULL);
2986                         return (0);
2987                 } else
2988                         return (1);
2989         }
2990         /* search by key function name */
2991         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2992                 if (strncasecmp(selector, keyfuncs[kfid].name,
2993                     SWM_FUNCNAME_LEN) == 0) {
2994                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2995                             selector);
2996                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2997                                 setkeybinding(mod, ks, kfid, NULL);
2998                                 return (0);
2999                         } else
3000                                 return (1);
3001                 }
3002         }
3003         /* search by custom spawn name */
3004         for (i = 0; i < spawns_length; i++) {
3005                 if (strcasecmp(selector, spawns[i].name) == 0) {
3006                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
3007                             selector);
3008                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3009                                 setkeybinding(mod, ks, kf_spawn_custom,
3010                                     spawns[i].name);
3011                                 return (0);
3012                         } else
3013                                 return (1);
3014                 }
3015         }
3016         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
3017         return (1);
3018 }
3019
3020 void
3021 setup_keys(void)
3022 {
3023         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
3024         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
3025         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
3026         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
3027         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
3028         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
3029         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
3030         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
3031         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
3032         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
3033         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
3034         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
3035         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
3036         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
3037         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
3038         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
3039         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
3040         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
3041         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
3042         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
3043         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
3044         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
3045         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
3046         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
3047         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
3048         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
3049         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
3050         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
3051         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
3052         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
3053         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
3054         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
3055         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
3056         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
3057         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
3058         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
3059         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
3060         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
3061         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
3062         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
3063         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
3064         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
3065         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
3066         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
3067         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
3068         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
3069         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
3070         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
3071         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
3072         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
3073         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
3074         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
3075         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
3076 #ifdef SWM_DEBUG
3077         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
3078 #endif
3079 }
3080
3081 void
3082 updatenumlockmask(void)
3083 {
3084         unsigned int            i, j;
3085         XModifierKeymap         *modmap;
3086
3087         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
3088         numlockmask = 0;
3089         modmap = XGetModifierMapping(display);
3090         for (i = 0; i < 8; i++)
3091                 for (j = 0; j < modmap->max_keypermod; j++)
3092                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
3093                           == XKeysymToKeycode(display, XK_Num_Lock))
3094                                 numlockmask = (1 << i);
3095
3096         XFreeModifiermap(modmap);
3097 }
3098
3099 void
3100 grabkeys(void)
3101 {
3102         unsigned int            i, j, k;
3103         KeyCode                 code;
3104         unsigned int            modifiers[] =
3105             { 0, LockMask, numlockmask, numlockmask | LockMask };
3106
3107         DNPRINTF(SWM_D_MISC, "grabkeys\n");
3108         updatenumlockmask();
3109
3110         for (k = 0; k < ScreenCount(display); k++) {
3111                 if (TAILQ_EMPTY(&screens[k].rl))
3112                         continue;
3113                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
3114                 for (i = 0; i < keys_length; i++) {
3115                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
3116                                 for (j = 0; j < LENGTH(modifiers); j++)
3117                                         XGrabKey(display, code,
3118                                             keys[i].mod | modifiers[j],
3119                                             screens[k].root, True,
3120                                             GrabModeAsync, GrabModeAsync);
3121                 }
3122         }
3123 }
3124
3125 void
3126 grabbuttons(struct ws_win *win, int focused)
3127 {
3128         unsigned int            i, j;
3129         unsigned int            modifiers[] =
3130             { 0, LockMask, numlockmask, numlockmask|LockMask };
3131
3132         updatenumlockmask();
3133         XUngrabButton(display, AnyButton, AnyModifier, win->id);
3134         if(focused) {
3135                 for (i = 0; i < LENGTH(buttons); i++)
3136                         if (buttons[i].action == client_click)
3137                                 for (j = 0; j < LENGTH(modifiers); j++)
3138                                         XGrabButton(display, buttons[i].button,
3139                                             buttons[i].mask | modifiers[j],
3140                                             win->id, False, BUTTONMASK,
3141                                             GrabModeAsync, GrabModeSync, None,
3142                                             None);
3143         } else
3144                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
3145                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
3146 }
3147
3148 const char *quirkname[] = {
3149         "NONE",         /* config string for "no value" */
3150         "FLOAT",
3151         "TRANSSZ",
3152         "ANYWHERE",
3153         "XTERM_FONTADJ",
3154         "FULLSCREEN",
3155 };
3156
3157 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3158 #define SWM_Q_WS                "\n|+ \t"
3159 int
3160 parsequirks(char *qstr, unsigned long *quirk)
3161 {
3162         char                    *cp, *name;
3163         int                     i;
3164
3165         if (quirk == NULL)
3166                 return (1);
3167
3168         cp = qstr;
3169         *quirk = 0;
3170         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3171                 if (cp)
3172                         cp += (long)strspn(cp, SWM_Q_WS);
3173                 for (i = 0; i < LENGTH(quirkname); i++) {
3174                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3175                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3176                                 if (i == 0) {
3177                                         *quirk = 0;
3178                                         return (0);
3179                                 }
3180                                 *quirk |= 1 << (i-1);
3181                                 break;
3182                         }
3183                 }
3184                 if (i >= LENGTH(quirkname)) {
3185                         DNPRINTF(SWM_D_QUIRK,
3186                             "parsequirks: invalid quirk [%s]\n", name);
3187                         return (1);
3188                 }
3189         }
3190         return (0);
3191 }
3192
3193 void
3194 setquirk(const char *class, const char *name, const int quirk)
3195 {
3196         int                     i, j;
3197
3198         /* find existing */
3199         for (i = 0; i < quirks_length; i++) {
3200                 if (!strcmp(quirks[i].class, class) &&
3201                     !strcmp(quirks[i].name, name)) {
3202                         if (!quirk) {
3203                                 /* found: delete */
3204                                 DNPRINTF(SWM_D_QUIRK,
3205                                     "setquirk: delete #%d %s:%s\n",
3206                                     i, quirks[i].class, quirks[i].name);
3207                                 free(quirks[i].class);
3208                                 free(quirks[i].name);
3209                                 j = quirks_length - 1;
3210                                 if (i < j)
3211                                         quirks[i] = quirks[j];
3212                                 quirks_length--;
3213                                 return;
3214                         } else {
3215                                 /* found: replace */
3216                                 DNPRINTF(SWM_D_QUIRK,
3217                                     "setquirk: replace #%d %s:%s\n",
3218                                     i, quirks[i].class, quirks[i].name);
3219                                 free(quirks[i].class);
3220                                 free(quirks[i].name);
3221                                 quirks[i].class = strdup(class);
3222                                 quirks[i].name = strdup(name);
3223                                 quirks[i].quirk = quirk;
3224                                 return;
3225                         }
3226                 }
3227         }
3228         if (!quirk) {
3229                 fprintf(stderr,
3230                     "error: setquirk: cannot find class/name combination");
3231                 return;
3232         }
3233         /* not found: add */
3234         if (quirks_size == 0 || quirks == NULL) {
3235                 quirks_size = 4;
3236                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3237                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3238                 if (!quirks) {
3239                         fprintf(stderr, "setquirk: malloc failed\n");
3240                         perror(" failed");
3241                         quit(NULL, NULL);
3242                 }
3243         } else if (quirks_length == quirks_size) {
3244                 quirks_size *= 2;
3245                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3246                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3247                 if (!quirks) {
3248                         fprintf(stderr, "setquirk: realloc failed\n");
3249                         perror(" failed");
3250                         quit(NULL, NULL);
3251                 }
3252         }
3253         if (quirks_length < quirks_size) {
3254                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3255                 j = quirks_length++;
3256                 quirks[j].class = strdup(class);
3257                 quirks[j].name = strdup(name);
3258                 quirks[j].quirk = quirk;
3259         } else {
3260                 fprintf(stderr, "quirks array problem?\n");
3261                 if (!quirks) {
3262                         fprintf(stderr, "quirks array problem!\n");
3263                         quit(NULL, NULL);
3264                 }
3265         }
3266 }
3267
3268 int
3269 setconfquirk(char *selector, char *value, int flags)
3270 {
3271         char                    *cp, *class, *name;
3272         int                     retval;
3273         unsigned long           quirks;
3274         if (selector == NULL)
3275                 return (0);
3276         if ((cp = strchr(selector, ':')) == NULL)
3277                 return (0);
3278         *cp = '\0';
3279         class = selector;
3280         name = cp + 1;
3281         if ((retval = parsequirks(value, &quirks)) == 0)
3282                 setquirk(class, name, quirks);
3283         return (retval);
3284 }
3285
3286 void
3287 setup_quirks(void)
3288 {
3289         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3290         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
3291         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
3292         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3293         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3294         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3295         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3296         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3297         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3298         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3299         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3300         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3301         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3302 }
3303
3304 /* conf file stuff */
3305 #define SWM_CONF_FILE   "scrotwm.conf"
3306
3307 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3308           SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
3309           SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
3310           SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
3311           SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
3312
3313 int
3314 setconfvalue(char *selector, char *value, int flags)
3315 {
3316         switch (flags) {
3317         case SWM_S_BAR_DELAY:
3318                 bar_delay = atoi(value);
3319                 break;
3320         case SWM_S_BAR_ENABLED:
3321                 bar_enabled = atoi(value);
3322                 break;
3323         case SWM_S_STACK_ENABLED:
3324                 stack_enabled = atoi(value);
3325                 break;
3326         case SWM_S_CLOCK_ENABLED:
3327                 clock_enabled = atoi(value);
3328                 break;
3329         case SWM_S_CYCLE_EMPTY:
3330                 cycle_empty = atoi(value);
3331                 break;
3332         case SWM_S_CYCLE_VISIBLE:
3333                 cycle_visible = atoi(value);
3334                 break;
3335         case SWM_S_SS_ENABLED:
3336                 ss_enabled = atoi(value);
3337                 break;
3338         case SWM_S_TERM_WIDTH:
3339                 term_width = atoi(value);
3340                 break;
3341         case SWM_S_TITLE_CLASS_ENABLED:
3342                 title_class_enabled = atoi(value);
3343                 break;
3344         case SWM_S_TITLE_NAME_ENABLED:
3345                 title_name_enabled = atoi(value);
3346                 break;
3347         case SWM_S_BAR_FONT:
3348                 free(bar_fonts[0]);
3349                 if ((bar_fonts[0] = strdup(value)) == NULL)
3350                         err(1, "setconfvalue: bar_font");
3351                 break;
3352         case SWM_S_BAR_ACTION:
3353                 free(bar_argv[0]);
3354                 if ((bar_argv[0] = strdup(value)) == NULL)
3355                         err(1, "setconfvalue: bar_action");
3356                 break;
3357         case SWM_S_SPAWN_TERM:
3358                 free(spawn_term[0]);
3359                 if ((spawn_term[0] = strdup(value)) == NULL)
3360                         err(1, "setconfvalue: spawn_term");
3361                 break;
3362         case SWM_S_SS_APP:
3363                 break;
3364         case SWM_S_DIALOG_RATIO:
3365                 dialog_ratio = atof(value);
3366                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3367                         dialog_ratio = .6;
3368                 break;
3369         default:
3370                 return (1);
3371         }
3372         return (0);
3373 }
3374
3375 int
3376 setconfmodkey(char *selector, char *value, int flags)
3377 {
3378         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3379                 update_modkey(Mod1Mask);
3380         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3381                 update_modkey(Mod2Mask);
3382         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3383                 update_modkey(Mod3Mask);
3384         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3385                 update_modkey(Mod4Mask);
3386         else
3387                 return (1);
3388         return (0);
3389 }
3390
3391 int
3392 setconfcolor(char *selector, char *value, int flags)
3393 {
3394         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3395         return (0);
3396 }
3397
3398 int
3399 setconfregion(char *selector, char *value, int flags)
3400 {
3401         custom_region(value);
3402         return (0);
3403 }
3404
3405 /* config options */
3406 struct config_option {
3407         char                    *optname;
3408         int (*func)(char*, char*, int);
3409         int funcflags;
3410 };
3411 struct config_option configopt[] = {
3412         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3413         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3414         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3415         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3416         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3417         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3418         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3419         { "bind",                       setconfbinding, 0 },
3420         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3421         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3422         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3423         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3424         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3425         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3426         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3427         { "modkey",                     setconfmodkey,  0 },
3428         { "program",                    setconfspawn,   0 },
3429         { "quirk",                      setconfquirk,   0 },
3430         { "region",                     setconfregion,  0 },
3431         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3432         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3433         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3434         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3435         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3436         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3437 };
3438
3439
3440 int
3441 conf_load(char *filename)
3442 {
3443         FILE                    *config;
3444         char                    *line, *cp, *optsub, *optval;
3445         size_t                  linelen, lineno = 0;
3446         int                     wordlen, i, optind;
3447         struct config_option    *opt;
3448
3449         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3450
3451         if (filename == NULL) {
3452                 fprintf(stderr, "conf_load: no filename\n");
3453                 return (1);
3454         }
3455         if ((config = fopen(filename, "r")) == NULL) {
3456                 warn("conf_load: fopen");
3457                 return (1);
3458         }
3459
3460         while (!feof(config)) {
3461                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3462                     == NULL) {
3463                         if (ferror(config))
3464                                 err(1, "%s", filename);
3465                         else
3466                                 continue;
3467                 }
3468                 cp = line;
3469                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3470                 if (cp[0] == '\0') {
3471                         /* empty line */
3472                         free(line);
3473                         continue;
3474                 }
3475                 /* get config option */
3476                 wordlen = strcspn(cp, "=[ \t\n");
3477                 if (wordlen == 0) {
3478                         warnx("%s: line %zd: no option found",
3479                             filename, lineno);
3480                         return (1);
3481                 }
3482                 optind = -1;
3483                 for (i = 0; i < LENGTH(configopt); i++) {
3484                         opt = &configopt[i];
3485                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3486                             strlen(opt->optname) == wordlen) {
3487                                 optind = i;
3488                                 break;
3489                         }
3490                 }
3491                 if (optind == -1) {
3492                         warnx("%s: line %zd: unknown option %.*s",
3493                             filename, lineno, wordlen, cp);
3494                         return (1);
3495                 }
3496                 cp += wordlen;
3497                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3498                 /* get [selector] if any */
3499                 optsub = NULL;
3500                 if (*cp == '[') {
3501                         cp++;
3502                         wordlen = strcspn(cp, "]");
3503                         if (*cp != ']') {
3504                                 if (wordlen == 0) {
3505                                         warnx("%s: line %zd: syntax error",
3506                                             filename, lineno);
3507                                         return (1);
3508                                 }
3509                                 asprintf(&optsub, "%.*s", wordlen, cp);
3510                         }
3511                         cp += wordlen;
3512                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3513                 }
3514                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3515                 /* get RHS value */
3516                 optval = strdup(cp);
3517                 /* call function to deal with it all */
3518                 if (configopt[optind].func(optsub, optval,
3519                     configopt[optind].funcflags) != 0) {
3520                         fprintf(stderr, "%s line %zd: %s\n",
3521                             filename, lineno, line);
3522                         errx(1, "%s: line %zd: invalid data for %s",
3523                             filename, lineno, configopt[optind].optname);
3524                 }
3525                 free(optval);
3526                 free(optsub);
3527                 free(line);
3528         }
3529
3530         fclose(config);
3531         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3532
3533         return (0);
3534 }
3535
3536 void
3537 set_child_transient(struct ws_win *win)
3538 {
3539         struct ws_win           *parent;
3540
3541         parent = find_window(win->transient);
3542         if (parent)
3543                 parent->child_trans = win;
3544 }
3545
3546 struct ws_win *
3547 manage_window(Window id)
3548 {
3549         Window                  trans = 0;
3550         struct workspace        *ws;
3551         struct ws_win           *win, *ww;
3552         int                     format, i, ws_idx, n, border_me = 0;
3553         unsigned long           nitems, bytes;
3554         Atom                    ws_idx_atom = 0, type;
3555         Atom                    *prot = NULL, *pp;
3556         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3557         struct swm_region       *r;
3558         long                    mask;
3559         const char              *errstr;
3560         XWindowChanges          wc;
3561
3562         if ((win = find_window(id)) != NULL)
3563                 return (win);   /* already being managed */
3564
3565         /* see if we are on the unmanaged list */
3566         if ((win = find_unmanaged_window(id)) != NULL) {
3567                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3568                     "%lu\n", win->id);
3569                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3570                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3571                 if (win->transient)
3572                         set_child_transient(win);
3573                 return (win);
3574         }
3575
3576         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3577                 errx(1, "calloc: failed to allocate memory for new window");
3578
3579         /* Get all the window data in one shot */
3580         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3581         if (ws_idx_atom)
3582                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3583                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3584         XGetWindowAttributes(display, id, &win->wa);
3585         XGetWMNormalHints(display, id, &win->sh, &mask);
3586         XGetTransientForHint(display, id, &trans);
3587         if (trans) {
3588                 win->transient = trans;
3589                 set_child_transient(win);
3590                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
3591                     win->id, win->transient);
3592         }
3593         /* get supported protocols */
3594         if (XGetWMProtocols(display, id, &prot, &n)) {
3595                 for (i = 0, pp = prot; i < n; i++, pp++) {
3596                         if (*pp == takefocus)
3597                                 win->take_focus = 1;
3598                         if (*pp == adelete)
3599                                 win->can_delete = 1;
3600                 }
3601                 if (prot)
3602                         XFree(prot);
3603         }
3604
3605         /*
3606          * Figure out where to put the window. If it was previously assigned to
3607          * a workspace (either by spawn() or manually moving), and isn't
3608          * transient, * put it in the same workspace
3609          */
3610         r = root_to_region(win->wa.root);
3611         if (prop && win->transient == 0) {
3612                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3613                 ws_idx = strtonum(prop, 0, 9, &errstr);
3614                 if (errstr) {
3615                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3616                             errstr, prop);
3617                 }
3618                 ws = &r->s->ws[ws_idx];
3619         } else {
3620                 ws = r->ws;
3621                 /* this should launch transients in the same ws as parent */
3622                 if (id && trans)
3623                         if ((ww = find_window(trans)) != NULL)
3624                                 if (ws->r) {
3625                                         ws = ww->ws;
3626                                         if (ww->ws->r)
3627                                                 r = ww->ws->r;
3628                                         else
3629                                                 fprintf(stderr,
3630                                                     "fix this bug mcbride\n");
3631                                         border_me = 1;
3632                                 }
3633         }
3634
3635         /* set up the window layout */
3636         win->id = id;
3637         win->ws = ws;
3638         win->s = r->s;  /* this never changes */
3639         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3640
3641         win->g.w = win->wa.width;
3642         win->g.h = win->wa.height;
3643         win->g.x = win->wa.x;
3644         win->g.y = win->wa.y;
3645
3646         /* Set window properties so we can remember this after reincarnation */
3647         if (ws_idx_atom && prop == NULL &&
3648             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3649                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3650                     ws_idx_str);
3651                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3652                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3653         }
3654         XFree(prop);
3655
3656         if (XGetClassHint(display, win->id, &win->ch)) {
3657                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3658                     win->ch.res_class, win->ch.res_name);
3659
3660                 /* java is retarded so treat it special */
3661                 if (strstr(win->ch.res_name, "sun-awt")) {
3662                         win->java = 1;
3663                         border_me = 1;
3664                 }
3665
3666                 for (i = 0; i < quirks_length; i++){
3667                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3668                             !strcmp(win->ch.res_name, quirks[i].name)) {
3669                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3670                                     win->ch.res_class, win->ch.res_name);
3671                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
3672                                         win->floating = 1;
3673                                         border_me = 1;
3674                                 }
3675                                 win->quirks = quirks[i].quirk;
3676                         }
3677                 }
3678         }
3679
3680         /* alter window position if quirky */
3681         if (win->quirks & SWM_Q_ANYWHERE) {
3682                 win->manual = 1; /* don't center the quirky windows */
3683                 bzero(&wc, sizeof wc);
3684                 mask = 0;
3685                 if (win->g.y < bar_height) {
3686                         win->g.y = wc.y = bar_height;
3687                         mask |= CWY;
3688                 }
3689                 if (win->g.w + win->g.x > WIDTH(r)) {
3690                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3691                         mask |= CWX;
3692                 }
3693                 border_me = 1;
3694         }
3695
3696         /* Reset font sizes (the bruteforce way; no default keybinding). */
3697         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3698                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3699                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3700                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3701                         fake_keypress(win, XK_KP_Add, ShiftMask);
3702         }
3703
3704         /* border me */
3705         if (border_me) {
3706                 bzero(&wc, sizeof wc);
3707                 wc.border_width = 1;
3708                 mask = CWBorderWidth;
3709                 XConfigureWindow(display, win->id, mask, &wc);
3710                 configreq_win(win);
3711         }
3712
3713         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3714             PropertyChangeMask | StructureNotifyMask);
3715
3716         set_win_state(win, NormalState);
3717
3718         /* floaters need to be mapped if they are in the current workspace */
3719         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3720                 XMapRaised(display, win->id);
3721
3722         return (win);
3723 }
3724
3725 void
3726 free_window(struct ws_win *win)
3727 {
3728         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3729
3730         if (win == NULL)
3731                 return;
3732
3733         /* needed for restart wm */
3734         set_win_state(win, WithdrawnState);
3735
3736         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3737
3738         if (win->ch.res_class)
3739                 XFree(win->ch.res_class);
3740         if (win->ch.res_name)
3741                 XFree(win->ch.res_name);
3742
3743         kill_refs(win);
3744
3745         /* paint memory */
3746         memset(win, 0xff, sizeof *win); /* XXX kill later */
3747
3748         free(win);
3749 }
3750
3751 void
3752 unmanage_window(struct ws_win *win)
3753 {
3754         struct ws_win           *parent;
3755
3756         if (win == NULL)
3757                 return;
3758
3759         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3760
3761         if (win->transient) {
3762                 parent = find_window(win->transient);
3763                 if (parent)
3764                         parent->child_trans = NULL;
3765         }
3766
3767         focus_prev(win);
3768         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3769         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3770
3771         kill_refs(win);
3772 }
3773
3774 void
3775 focus_magic(struct ws_win *win, int do_trans)
3776 {
3777         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu %d\n", WINID(win), do_trans);
3778
3779         if (win == NULL)
3780                 return;
3781
3782         if (do_trans == SWM_F_TRANSIENT && win->child_trans) {
3783                 /* win = parent & has a transient so focus on that */
3784                 if (win->java) {
3785                         focus_win(win->child_trans);
3786                         if (win->child_trans->take_focus)
3787                                 client_msg(win, takefocus);
3788                 } else {
3789                         focus_win(win->child_trans);
3790                         if (win->child_trans->take_focus)
3791                                 client_msg(win->child_trans, takefocus);
3792                 }
3793         } else {
3794                 /* regular focus */
3795                 focus_win(win);
3796                 if (win->take_focus)
3797                         client_msg(win, takefocus);
3798         }
3799 }
3800
3801 void
3802 expose(XEvent *e)
3803 {
3804         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3805 }
3806
3807 void
3808 keypress(XEvent *e)
3809 {
3810         unsigned int            i;
3811         KeySym                  keysym;
3812         XKeyEvent               *ev = &e->xkey;
3813
3814         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3815
3816         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3817         for (i = 0; i < keys_length; i++)
3818                 if (keysym == keys[i].keysym
3819                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3820                    && keyfuncs[keys[i].funcid].func) {
3821                         if (keys[i].funcid == kf_spawn_custom)
3822                                 spawn_custom(
3823                                     root_to_region(ev->root),
3824                                     &(keyfuncs[keys[i].funcid].args),
3825                                     keys[i].spawn_name
3826                                     );
3827                         else
3828                                 keyfuncs[keys[i].funcid].func(
3829                                     root_to_region(ev->root),
3830                                     &(keyfuncs[keys[i].funcid].args)
3831                                     );
3832                 }
3833 }
3834
3835 void
3836 buttonpress(XEvent *e)
3837 {
3838         struct ws_win           *win;
3839         int                     i, action;
3840         XButtonPressedEvent     *ev = &e->xbutton;
3841
3842         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3843
3844         action = root_click;
3845         if ((win = find_window(ev->window)) == NULL)
3846                 return;
3847
3848         focus_magic(win, SWM_F_TRANSIENT);
3849         action = client_click;
3850
3851         for (i = 0; i < LENGTH(buttons); i++)
3852                 if (action == buttons[i].action && buttons[i].func &&
3853                     buttons[i].button == ev->button &&
3854                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3855                         buttons[i].func(win, &buttons[i].args);
3856 }
3857
3858 void
3859 configurerequest(XEvent *e)
3860 {
3861         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3862         struct ws_win           *win;
3863         int                     new = 0;
3864         XWindowChanges          wc;
3865
3866         if ((win = find_window(ev->window)) == NULL)
3867                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3868                         new = 1;
3869
3870         if (new) {
3871                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3872                     ev->window);
3873                 bzero(&wc, sizeof wc);
3874                 wc.x = ev->x;
3875                 wc.y = ev->y;
3876                 wc.width = ev->width;
3877                 wc.height = ev->height;
3878                 wc.border_width = ev->border_width;
3879                 wc.sibling = ev->above;
3880                 wc.stack_mode = ev->detail;
3881                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3882         } else {
3883                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3884                     ev->window);
3885                 if (win->floating) {
3886                         if (ev->value_mask & CWX)
3887                                 win->g.x = ev->x;
3888                         if (ev->value_mask & CWY)
3889                                 win->g.y = ev->y;
3890                         if (ev->value_mask & CWWidth)
3891                                 win->g.w = ev->width;
3892                         if (ev->value_mask & CWHeight)
3893                                 win->g.h = ev->height;
3894                 }
3895                 config_win(win);
3896         }
3897 }
3898
3899 void
3900 configurenotify(XEvent *e)
3901 {
3902         struct ws_win           *win;
3903         long                    mask;
3904
3905         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3906             e->xconfigure.window);
3907
3908         win = find_window(e->xconfigure.window);
3909         if (win) {
3910                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3911                 adjust_font(win);
3912                 if (font_adjusted)
3913                         stack();
3914         }
3915 }
3916
3917 void
3918 destroynotify(XEvent *e)
3919 {
3920         struct ws_win           *win;
3921         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3922
3923         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3924
3925         if ((win = find_window(ev->window)) == NULL) {
3926                 if ((win = find_unmanaged_window(ev->window)) == NULL)
3927                         return;
3928                 free_window(win);
3929                 return;
3930         }
3931
3932         unmanage_window(win);
3933         stack();
3934         free_window(win);
3935 }
3936
3937 void
3938 enternotify(XEvent *e)
3939 {
3940         XCrossingEvent          *ev = &e->xcrossing;
3941         XEvent                  cne;
3942         struct ws_win           *win;
3943
3944         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
3945             "%lu subwindow %lu same_screen %d focus %d state %d\n",
3946             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
3947             ev->same_screen, ev->focus, ev->state);
3948
3949         /*
3950          * all these checks need to be in this order because the
3951          * XCheckTypedWindowEvent relies on weeding out the previous events
3952          *
3953          * making this code an option would enable a follow mouse for focus
3954          * feature
3955          */
3956
3957         /*
3958          * state is set when we are switching workspaces and focus is set when
3959          * scrotwm launches via a restart
3960          */
3961         if (ev->state || ev->focus)
3962                 return;
3963         /*
3964          * happens when a window is created or destroyed and the border
3965          * crosses the mouse pointer and when switching ws
3966          *
3967          * we need the subwindow test to see if we came from root in order
3968          * to give focus to floaters
3969          */
3970         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
3971             ev->subwindow == 0)
3972                 return;
3973
3974         /* this window already has focus */
3975         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior)
3976                 return;
3977
3978         /* this window is being deleted or moved to another ws */
3979         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
3980             &cne) == True) {
3981                 XPutBackEvent(display, &cne);
3982                 return;
3983         }
3984
3985         if ((win = find_window(ev->window)) == NULL)
3986                 return;
3987
3988         /* in fullstack kill all enters */
3989         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV)
3990                 return;
3991
3992         focus_magic(win, SWM_F_TRANSIENT);
3993 }
3994
3995 void
3996 focusin(XEvent *e)
3997 {
3998         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3999 }
4000
4001 void
4002 focusout(XEvent *e)
4003 {
4004         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
4005 }
4006
4007 void
4008 mapnotify(XEvent *e)
4009 {
4010         struct ws_win           *win;
4011         XMapEvent               *ev = &e->xmap;
4012
4013         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
4014
4015         win = manage_window(ev->window);
4016         if (win)
4017                 set_win_state(win, NormalState);
4018 }
4019
4020 void
4021 mappingnotify(XEvent *e)
4022 {
4023         XMappingEvent           *ev = &e->xmapping;
4024
4025         XRefreshKeyboardMapping(ev);
4026         if (ev->request == MappingKeyboard)
4027                 grabkeys();
4028 }
4029
4030 void
4031 maprequest(XEvent *e)
4032 {
4033         struct ws_win           *win;
4034         struct swm_region       *r;
4035         XWindowAttributes       wa;
4036         XMapRequestEvent        *ev = &e->xmaprequest;
4037
4038         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
4039             e->xmaprequest.window);
4040
4041         if (!XGetWindowAttributes(display, ev->window, &wa))
4042                 return;
4043         if (wa.override_redirect)
4044                 return;
4045
4046         win = manage_window(e->xmaprequest.window);
4047         if (win == NULL)
4048                 return; /* can't happen */
4049
4050         stack();
4051
4052         /* make new win focused */
4053         r = root_to_region(win->wa.root);
4054         if (win->ws == r->ws)
4055                 focus_magic(win, SWM_F_GENERIC);
4056 }
4057
4058 void
4059 propertynotify(XEvent *e)
4060 {
4061         struct ws_win           *win;
4062         XPropertyEvent          *ev = &e->xproperty;
4063
4064         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
4065             ev->window);
4066
4067         if (ev->state == PropertyDelete)
4068                 return; /* ignore */
4069         win = find_window(ev->window);
4070         if (win == NULL)
4071                 return;
4072
4073         switch (ev->atom) {
4074         case XA_WM_NORMAL_HINTS:
4075 #if 0
4076                 long            mask;
4077                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
4078                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
4079                 if (win->sh.flags & PMinSize) {
4080                         win->g.w = win->sh.min_width;
4081                         win->g.h = win->sh.min_height;
4082                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
4083                 }
4084                 XMoveResizeWindow(display, win->id,
4085                     win->g.x, win->g.y, win->g.w, win->g.h);
4086 #endif
4087                 break;
4088         default:
4089                 break;
4090         }
4091 }
4092
4093 void
4094 unmapnotify(XEvent *e)
4095 {
4096         struct ws_win           *win;
4097
4098         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
4099
4100         /* determine if we need to help unmanage this window */
4101         win = find_window(e->xunmap.window);
4102         if (win == NULL)
4103                 return;
4104
4105         /*
4106          * XXX this is a work around for going fullscreen on mplayer
4107          * remove this and find a better heuristic
4108          */
4109         if (win->floating)
4110                 return;
4111
4112         if (getstate(e->xunmap.window) == NormalState) {
4113                 unmanage_window(win);
4114                 stack();
4115         }
4116 }
4117
4118 void
4119 visibilitynotify(XEvent *e)
4120 {
4121         int                     i;
4122         struct swm_region       *r;
4123
4124         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4125             e->xvisibility.window);
4126         if (e->xvisibility.state == VisibilityUnobscured)
4127                 for (i = 0; i < ScreenCount(display); i++)
4128                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4129                                 if (e->xvisibility.window == r->bar_window)
4130                                         bar_update();
4131 }
4132
4133 int
4134 xerror_start(Display *d, XErrorEvent *ee)
4135 {
4136         other_wm = 1;
4137         return (-1);
4138 }
4139
4140 int
4141 xerror(Display *d, XErrorEvent *ee)
4142 {
4143         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4144         return (-1);
4145 }
4146
4147 int
4148 active_wm(void)
4149 {
4150         other_wm = 0;
4151         xerrorxlib = XSetErrorHandler(xerror_start);
4152
4153         /* this causes an error if some other window manager is running */
4154         XSelectInput(display, DefaultRootWindow(display),
4155             SubstructureRedirectMask);
4156         XSync(display, False);
4157         if (other_wm)
4158                 return (1);
4159
4160         XSetErrorHandler(xerror);
4161         XSync(display, False);
4162         return (0);
4163 }
4164
4165 void
4166 new_region(struct swm_screen *s, int x, int y, int w, int h)
4167 {
4168         struct swm_region       *r, *n;
4169         struct workspace        *ws = NULL;
4170         int                     i;
4171
4172         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4173              s->idx, w, h, x, y);
4174
4175         /* remove any conflicting regions */
4176         n = TAILQ_FIRST(&s->rl);
4177         while (n) {
4178                 r = n;
4179                 n = TAILQ_NEXT(r, entry);
4180                 if (X(r) < (x + w) &&
4181                     (X(r) + WIDTH(r)) > x &&
4182                     Y(r) < (y + h) &&
4183                     (Y(r) + HEIGHT(r)) > y) {
4184                         XDestroyWindow(display, r->bar_window);
4185                         TAILQ_REMOVE(&s->rl, r, entry);
4186                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4187                 }
4188         }
4189
4190         /* search old regions for one to reuse */
4191
4192         /* size + location match */
4193         TAILQ_FOREACH(r, &s->orl, entry)
4194                 if (X(r) == x && Y(r) == y &&
4195                     HEIGHT(r) == h && WIDTH(r) == w)
4196                         break;
4197
4198         /* size match */
4199         TAILQ_FOREACH(r, &s->orl, entry)
4200                 if (HEIGHT(r) == h && WIDTH(r) == w)
4201                         break;
4202
4203         if (r != NULL) {
4204                 TAILQ_REMOVE(&s->orl, r, entry);
4205                 /* try to use old region's workspace */
4206                 if (r->ws->r == NULL)
4207                         ws = r->ws;
4208         } else
4209                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4210                         errx(1, "calloc: failed to allocate memory for screen");
4211
4212         /* if we don't have a workspace already, find one */
4213         if (ws == NULL) {
4214                 for (i = 0; i < SWM_WS_MAX; i++)
4215                         if (s->ws[i].r == NULL) {
4216                                 ws = &s->ws[i];
4217                                 break;
4218                         }
4219         }
4220
4221         if (ws == NULL)
4222                 errx(1, "no free workspaces\n");
4223
4224         X(r) = x;
4225         Y(r) = y;
4226         WIDTH(r) = w;
4227         HEIGHT(r) = h;
4228         r->s = s;
4229         r->ws = ws;
4230         ws->r = r;
4231         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4232 }
4233
4234 void
4235 scan_xrandr(int i)
4236 {
4237 #ifdef SWM_XRR_HAS_CRTC
4238         XRRCrtcInfo             *ci;
4239         XRRScreenResources      *sr;
4240         int                     c;
4241         int                     ncrtc = 0;
4242 #endif /* SWM_XRR_HAS_CRTC */
4243         struct swm_region       *r;
4244
4245
4246         if (i >= ScreenCount(display))
4247                 errx(1, "invalid screen");
4248
4249         /* remove any old regions */
4250         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4251                 r->ws->old_r = r->ws->r = NULL;
4252                 XDestroyWindow(display, r->bar_window);
4253                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4254                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4255         }
4256
4257         /* map virtual screens onto physical screens */
4258 #ifdef SWM_XRR_HAS_CRTC
4259         outputs = 0;
4260         if (xrandr_support) {
4261                 sr = XRRGetScreenResources(display, screens[i].root);
4262                 if (sr == NULL)
4263                         new_region(&screens[i], 0, 0,
4264                             DisplayWidth(display, i),
4265                             DisplayHeight(display, i));
4266                 else
4267                         ncrtc = sr->ncrtc;
4268
4269                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4270                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4271                         if (ci->noutput == 0)
4272                                 continue;
4273                         outputs++;
4274
4275                         if (ci != NULL && ci->mode == None)
4276                                 new_region(&screens[i], 0, 0,
4277                                     DisplayWidth(display, i),
4278                                     DisplayHeight(display, i));
4279                         else
4280                                 new_region(&screens[i],
4281                                     ci->x, ci->y, ci->width, ci->height);
4282                 }
4283                 if (ci)
4284                         XRRFreeCrtcInfo(ci);
4285                 XRRFreeScreenResources(sr);
4286         } else
4287 #endif /* SWM_XRR_HAS_CRTC */
4288         {
4289                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4290                     DisplayHeight(display, i));
4291         }
4292 }
4293
4294 void
4295 screenchange(XEvent *e) {
4296         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4297         struct swm_region               *r;
4298         int                             i;
4299
4300         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4301
4302         if (!XRRUpdateConfiguration(e))
4303                 return;
4304
4305         /* silly event doesn't include the screen index */
4306         for (i = 0; i < ScreenCount(display); i++)
4307                 if (screens[i].root == xe->root)
4308                         break;
4309         if (i >= ScreenCount(display))
4310                 errx(1, "screenchange: screen not found\n");
4311
4312         /* brute force for now, just re-enumerate the regions */
4313         scan_xrandr(i);
4314
4315         /* add bars to all regions */
4316         for (i = 0; i < ScreenCount(display); i++)
4317                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4318                         bar_setup(r);
4319         stack();
4320 }
4321
4322 void
4323 setup_screens(void)
4324 {
4325         Window                  d1, d2, *wins = NULL;
4326         XWindowAttributes       wa;
4327         unsigned int            no;
4328         int                     i, j, k;
4329         int                     errorbase, major, minor;
4330         struct workspace        *ws;
4331         int                     ws_idx_atom;
4332         long                    state, manage;
4333
4334         if ((screens = calloc(ScreenCount(display),
4335              sizeof(struct swm_screen))) == NULL)
4336                 errx(1, "calloc: screens");
4337
4338         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4339
4340         /* initial Xrandr setup */
4341         xrandr_support = XRRQueryExtension(display,
4342             &xrandr_eventbase, &errorbase);
4343         if (xrandr_support)
4344                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4345                         xrandr_support = 0;
4346
4347         /* map physical screens */
4348         for (i = 0; i < ScreenCount(display); i++) {
4349                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4350                 screens[i].idx = i;
4351                 TAILQ_INIT(&screens[i].rl);
4352                 TAILQ_INIT(&screens[i].orl);
4353                 screens[i].root = RootWindow(display, i);
4354
4355                 /* set default colors */
4356                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4357                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4358                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4359                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4360                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4361
4362                 /* init all workspaces */
4363                 /* XXX these should be dynamically allocated too */
4364                 for (j = 0; j < SWM_WS_MAX; j++) {
4365                         ws = &screens[i].ws[j];
4366                         ws->idx = j;
4367                         ws->focus = NULL;
4368                         ws->r = NULL;
4369                         ws->old_r = NULL;
4370                         TAILQ_INIT(&ws->winlist);
4371                         TAILQ_INIT(&ws->unmanagedlist);
4372
4373                         for (k = 0; layouts[k].l_stack != NULL; k++)
4374                                 if (layouts[k].l_config != NULL)
4375                                         layouts[k].l_config(ws,
4376                                             SWM_ARG_ID_STACKINIT);
4377                         ws->cur_layout = &layouts[0];
4378                 }
4379                 /* grab existing windows (before we build the bars)*/
4380                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4381                         continue;
4382
4383                 scan_xrandr(i);
4384
4385                 if (xrandr_support)
4386                         XRRSelectInput(display, screens[i].root,
4387                             RRScreenChangeNotifyMask);
4388
4389                 /* attach windows to a region */
4390                 /* normal windows */
4391                 for (j = 0; j < no; j++) {
4392                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4393                             wa.override_redirect ||
4394                             XGetTransientForHint(display, wins[j], &d1))
4395                                 continue;
4396
4397                         state = getstate(wins[j]);
4398                         manage = state == IconicState;
4399                         if (wa.map_state == IsViewable || manage)
4400                                 manage_window(wins[j]);
4401                 }
4402                 /* transient windows */
4403                 for (j = 0; j < no; j++) {
4404                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4405                             wa.override_redirect)
4406                                 continue;
4407
4408                         state = getstate(wins[j]);
4409                         manage = state == IconicState;
4410                         if (XGetTransientForHint(display, wins[j], &d1) &&
4411                             manage)
4412                                 manage_window(wins[j]);
4413                 }
4414                 if (wins) {
4415                         XFree(wins);
4416                         wins = NULL;
4417                 }
4418         }
4419 }
4420
4421 void
4422 setup_globals(void)
4423 {
4424         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4425             == NULL)
4426                 err(1, "setup_globals: strdup");
4427         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4428             == NULL)
4429                 err(1, "setup_globals: strdup");
4430         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4431             == NULL)
4432                 err(1, "setup_globals: strdup");
4433         if ((spawn_term[0] = strdup("xterm")) == NULL)
4434                 err(1, "setup_globals: strdup");
4435 }
4436
4437 void
4438 workaround(void)
4439 {
4440         int                     i;
4441         Atom                    netwmcheck, netwmname, utf8_string;
4442         Window                  root;
4443
4444         /* work around sun jdk bugs, code from wmname */
4445         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4446         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4447         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4448         for (i = 0; i < ScreenCount(display); i++) {
4449                 root = screens[i].root;
4450                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4451                     PropModeReplace, (unsigned char *)&root, 1);
4452                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4453                     PropModeReplace, "LG3D", strlen("LG3D"));
4454         }
4455 }
4456
4457 int
4458 main(int argc, char *argv[])
4459 {
4460         struct passwd           *pwd;
4461         struct swm_region       *r, *rr;
4462         struct ws_win           *winfocus = NULL;
4463         struct timeval          tv;
4464         union arg               a;
4465         char                    conf[PATH_MAX], *cfile = NULL;
4466         struct stat             sb;
4467         XEvent                  e;
4468         int                     xfd, i;
4469         fd_set                  rd;
4470
4471         start_argv = argv;
4472         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4473             SWM_VERSION, cvstag);
4474         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4475                 warnx("no locale support");
4476
4477         if (!(display = XOpenDisplay(0)))
4478                 errx(1, "can not open display");
4479
4480         if (active_wm())
4481                 errx(1, "other wm running");
4482
4483         /* handle some signale */
4484         installsignal(SIGINT, "INT");
4485         installsignal(SIGHUP, "HUP");
4486         installsignal(SIGQUIT, "QUIT");
4487         installsignal(SIGTERM, "TERM");
4488         installsignal(SIGCHLD, "CHLD");
4489
4490         astate = XInternAtom(display, "WM_STATE", False);
4491         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4492         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4493         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4494
4495         /* look for local and global conf file */
4496         pwd = getpwuid(getuid());
4497         if (pwd == NULL)
4498                 errx(1, "invalid user %d", getuid());
4499
4500         setup_screens();
4501         setup_globals();
4502         setup_keys();
4503         setup_quirks();
4504         setup_spawn();
4505
4506         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4507         if (stat(conf, &sb) != -1) {
4508                 if (S_ISREG(sb.st_mode))
4509                         cfile = conf;
4510         } else {
4511                 /* try global conf file */
4512                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4513                 if (!stat(conf, &sb))
4514                         if (S_ISREG(sb.st_mode))
4515                                 cfile = conf;
4516         }
4517         if (cfile)
4518                 conf_load(cfile);
4519
4520         /* setup all bars */
4521         for (i = 0; i < ScreenCount(display); i++)
4522                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4523                         if (winfocus == NULL)
4524                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4525                         bar_setup(r);
4526                 }
4527
4528         /* set some values to work around bad programs */
4529         workaround();
4530
4531         grabkeys();
4532         stack();
4533
4534         xfd = ConnectionNumber(display);
4535         while (running) {
4536                 while (XPending(display)) {
4537                         XNextEvent(display, &e);
4538                         if (running == 0)
4539                                 goto done;
4540                         if (e.type < LASTEvent) {
4541                                 dumpevent(&e);
4542                                 if (handler[e.type])
4543                                         handler[e.type](&e);
4544                                 else
4545                                         DNPRINTF(SWM_D_EVENT,
4546                                             "win: %lu unknown event: %d\n",
4547                                             e.xany.window, e.type);
4548                         } else {
4549                                 switch (e.type - xrandr_eventbase) {
4550                                 case RRScreenChangeNotify:
4551                                         screenchange(&e);
4552                                         break;
4553                                 default:
4554                                         DNPRINTF(SWM_D_EVENT,
4555                                             "win: %lu unknown xrandr event: "
4556                                             "%d\n", e.xany.window, e.type);
4557                                         break;
4558                                 }
4559                         }
4560                 }
4561
4562                 /* if we are being restarted go focus on first window */
4563                 if (winfocus) {
4564                         rr = winfocus->ws->r;
4565                         if (rr == NULL) {
4566                                 /* not a visible window */
4567                                 winfocus = NULL;
4568                                 continue;
4569                         }
4570                         /* move pointer to first screen if multi screen */
4571                         if (ScreenCount(display) > 1 || outputs > 1)
4572                                 XWarpPointer(display, None, rr->s[0].root,
4573                                     0, 0, 0, 0, rr->g.x,
4574                                     rr->g.y + bar_enabled ? bar_height : 0);
4575
4576                         a.id = SWM_ARG_ID_FOCUSCUR;
4577                         focus(rr, &a);
4578                         winfocus = NULL;
4579                         continue;
4580                 }
4581
4582                 FD_ZERO(&rd);
4583                 FD_SET(xfd, &rd);
4584                 tv.tv_sec = 1;
4585                 tv.tv_usec = 0;
4586                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4587                         if (errno != EINTR)
4588                                 DNPRINTF(SWM_D_MISC, "select failed");
4589                 if (running == 0)
4590                         goto done;
4591                 if (bar_alarm) {
4592                         bar_alarm = 0;
4593                         bar_update();
4594                 }
4595         }
4596 done:
4597         bar_extra_stop();
4598
4599         XCloseDisplay(display);
4600
4601         return (0);
4602 }