scrotwm.c

   1 /* $scrotwm$ */
   2 /*
   3  * Copyright (c) 2009-2010-2011 Marco Peereboom <marco@peereboom.us>
   4  * Copyright (c) 2009-2010-2011 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  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   8  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   9  *
  10  * Permission to use, copy, modify, and distribute this software for any
  11  * purpose with or without fee is hereby granted, provided that the above
  12  * copyright notice and this permission notice appear in all copies.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22 /*
  23  * Much code and ideas taken from dwm under the following license:
  24  * MIT/X Consortium License
  25  *
  26  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  27  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  28  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  29  * 2007 Premysl Hruby <dfenze at gmail dot com>
  30  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  31  * 2007 Christof Musik <christof at sendfax dot de>
  32  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  33  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  34  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  35  *
  36  * Permission is hereby granted, free of charge, to any person obtaining a
  37  * copy of this software and associated documentation files (the "Software"),
  38  * to deal in the Software without restriction, including without limitation
  39  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  40  * and/or sell copies of the Software, and to permit persons to whom the
  41  * Software is furnished to do so, subject to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included in
  44  * all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  50  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  51  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  52  * DEALINGS IN THE SOFTWARE.
  53  */
  54
  55 static const char       *cvstag =
  56     "$scrotwm$";
  57
  58 #define SWM_VERSION     "0.9.33"
  59
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <err.h>
  63 #include <errno.h>
  64 #include <fcntl.h>
  65 #include <locale.h>
  66 #include <unistd.h>
  67 #include <time.h>
  68 #include <signal.h>
  69 #include <string.h>
  70 #include <util.h>
  71 #include <pwd.h>
  72 #include <paths.h>
  73 #include <ctype.h>
  74
  75 #include <sys/types.h>
  76 #include <sys/time.h>
  77 #include <sys/stat.h>
  78 #include <sys/wait.h>
  79 #include <sys/queue.h>
  80 #include <sys/param.h>
  81 #include <sys/select.h>
  82
  83 #include <X11/cursorfont.h>
  84 #include <X11/keysym.h>
  85 #include <X11/Xatom.h>
  86 #include <X11/Xlib.h>
  87 #include <X11/Xproto.h>
  88 #include <X11/Xutil.h>
  89 #include <X11/extensions/Xrandr.h>
  90 #include <X11/extensions/XTest.h>
  91
  92 #ifdef __OSX__
  93 #include <osx.h>
  94 #endif
  95
  96 #if RANDR_MAJOR < 1
  97 #  error XRandR versions less than 1.0 are not supported
  98 #endif
  99
 100 #if RANDR_MAJOR >= 1
 101 #if RANDR_MINOR >= 2
 102 #define SWM_XRR_HAS_CRTC
 103 #endif
 104 #endif
 105
 106 /*#define SWM_DEBUG*/
 107 #ifdef SWM_DEBUG
 108 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 109 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 110 #define SWM_D_MISC              0x0001
 111 #define SWM_D_EVENT             0x0002
 112 #define SWM_D_WS                0x0004
 113 #define SWM_D_FOCUS             0x0008
 114 #define SWM_D_MOVE              0x0010
 115 #define SWM_D_STACK             0x0020
 116 #define SWM_D_MOUSE             0x0040
 117 #define SWM_D_PROP              0x0080
 118 #define SWM_D_CLASS             0x0100
 119 #define SWM_D_KEY               0x0200
 120 #define SWM_D_QUIRK             0x0400
 121 #define SWM_D_SPAWN             0x0800
 122 #define SWM_D_EVENTQ            0x1000
 123 #define SWM_D_CONF              0x2000
 124
 125 u_int32_t               swm_debug = 0
 126                             | SWM_D_MISC
 127                             | SWM_D_EVENT
 128                             | SWM_D_WS
 129                             | SWM_D_FOCUS
 130                             | SWM_D_MOVE
 131                             | SWM_D_STACK
 132                             | SWM_D_MOUSE
 133                             | SWM_D_PROP
 134                             | SWM_D_CLASS
 135                             | SWM_D_KEY
 136                             | SWM_D_QUIRK
 137                             | SWM_D_SPAWN
 138                             | SWM_D_EVENTQ
 139                             | SWM_D_CONF
 140                             ;
 141 #else
 142 #define DPRINTF(x...)
 143 #define DNPRINTF(n,x...)
 144 #endif
 145
 146 #define LENGTH(x)               (sizeof x / sizeof x[0])
 147 #define MODKEY                  Mod1Mask
 148 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 149 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 150 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 151 #define SWM_PROPLEN             (16)
 152 #define SWM_FUNCNAME_LEN        (32)
 153 #define SWM_KEYS_LEN            (255)
 154 #define SWM_QUIRK_LEN           (64)
 155 #define X(r)                    (r)->g.x
 156 #define Y(r)                    (r)->g.y
 157 #define WIDTH(r)                (r)->g.w
 158 #define HEIGHT(r)               (r)->g.h
 159 #define SWM_MAX_FONT_STEPS      (3)
 160 #define WINID(w)                (w ? w->id : 0)
 161
 162 #define SWM_FOCUS_DEFAULT       (0)
 163 #define SWM_FOCUS_SYNERGY       (1)
 164 #define SWM_FOCUS_FOLLOW        (2)
 165
 166 #ifndef SWM_LIB
 167 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 168 #endif
 169
 170 char                    **start_argv;
 171 Atom                    astate;
 172 Atom                    aprot;
 173 Atom                    adelete;
 174 Atom                    takefocus;
 175 Atom                    a_wmname;
 176 Atom                    a_utf8_string;
 177 Atom                    a_string;
 178 Atom                    a_swm_iconic;
 179 volatile sig_atomic_t   running = 1;
 180 volatile sig_atomic_t   restart_wm = 0;
 181 int                     outputs = 0;
 182 int                     last_focus_event = FocusOut;
 183 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 184 int                     other_wm;
 185 int                     ss_enabled = 0;
 186 int                     xrandr_support;
 187 int                     xrandr_eventbase;
 188 unsigned int            numlockmask = 0;
 189 Display                 *display;
 190
 191 int                     cycle_empty = 0;
 192 int                     cycle_visible = 0;
 193 int                     term_width = 0;
 194 int                     font_adjusted = 0;
 195 unsigned int            mod_key = MODKEY;
 196
 197 /* dmenu search */
 198 struct swm_region       *search_r;
 199 int                     select_list_pipe[2];
 200 int                     select_resp_pipe[2];
 201 pid_t                   searchpid;
 202 volatile sig_atomic_t   search_resp;
 203
 204 /* dialog windows */
 205 double                  dialog_ratio = .6;
 206 /* status bar */
 207 #define SWM_BAR_MAX     (256)
 208 char                    *bar_argv[] = { NULL, NULL };
 209 int                     bar_pipe[2];
 210 char                    bar_ext[SWM_BAR_MAX];
 211 char                    bar_vertext[SWM_BAR_MAX];
 212 int                     bar_version = 0;
 213 sig_atomic_t            bar_alarm = 0;
 214 int                     bar_delay = 30;
 215 int                     bar_enabled = 1;
 216 int                     bar_border_width = 1;
 217 int                     bar_at_bottom = 0;
 218 int                     bar_extra = 1;
 219 int                     bar_extra_running = 0;
 220 int                     bar_verbose = 1;
 221 int                     bar_height = 0;
 222 int                     stack_enabled = 1;
 223 int                     clock_enabled = 1;
 224 int                     urgent_enabled = 0;
 225 char                    *clock_format = NULL;
 226 int                     title_name_enabled = 0;
 227 int                     title_class_enabled = 0;
 228 int                     window_name_enabled = 0;
 229 int                     focus_mode = SWM_FOCUS_DEFAULT;
 230 int                     disable_border = 0;
 231 int                     border_width = 1;
 232 int                     verbose_layout = 0;
 233 pid_t                   bar_pid;
 234 GC                      bar_gc;
 235 XGCValues               bar_gcv;
 236 int                     bar_fidx = 0;
 237 XFontStruct             *bar_fs;
 238 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 239 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 240
 241 #define SWM_MENU_FN     (2)
 242 #define SWM_MENU_NB     (4)
 243 #define SWM_MENU_NF     (6)
 244 #define SWM_MENU_SB     (8)
 245 #define SWM_MENU_SF     (10)
 246
 247 /* layout manager data */
 248 struct swm_geometry {
 249         int                     x;
 250         int                     y;
 251         int                     w;
 252         int                     h;
 253 };
 254
 255 struct swm_screen;
 256 struct workspace;
 257
 258 /* virtual "screens" */
 259 struct swm_region {
 260         TAILQ_ENTRY(swm_region) entry;
 261         struct swm_geometry     g;
 262         struct workspace        *ws;    /* current workspace on this region */
 263         struct workspace        *ws_prior; /* prior workspace on this region */
 264         struct swm_screen       *s;     /* screen idx */
 265         Window                  bar_window;
 266 };
 267 TAILQ_HEAD(swm_region_list, swm_region);
 268
 269 struct ws_win {
 270         TAILQ_ENTRY(ws_win)     entry;
 271         Window                  id;
 272         Window                  transient;
 273         struct ws_win           *child_trans;   /* transient child window */
 274         struct swm_geometry     g;              /* current geometry */
 275         struct swm_geometry     g_float;        /* geometry when floating */
 276         struct swm_geometry     rg_float;       /* region geom when floating */
 277         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 278         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 279         int                     floating;
 280         int                     manual;
 281         int                     iconic;
 282         unsigned int            ewmh_flags;
 283         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 284         int                     font_steps;
 285         int                     last_inc;
 286         int                     can_delete;
 287         int                     take_focus;
 288         int                     java;
 289         unsigned long           quirks;
 290         struct workspace        *ws;    /* always valid */
 291         struct swm_screen       *s;     /* always valid, never changes */
 292         XWindowAttributes       wa;
 293         XSizeHints              sh;
 294         XClassHint              ch;
 295         XWMHints                *hints;
 296 };
 297 TAILQ_HEAD(ws_win_list, ws_win);
 298
 299 /* pid goo */
 300 struct pid_e {
 301         TAILQ_ENTRY(pid_e)      entry;
 302         long                    pid;
 303         int                     ws;
 304 };
 305 TAILQ_HEAD(pid_list, pid_e);
 306 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 307
 308 /* layout handlers */
 309 void    stack(void);
 310 void    vertical_config(struct workspace *, int);
 311 void    vertical_stack(struct workspace *, struct swm_geometry *);
 312 void    horizontal_config(struct workspace *, int);
 313 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 314 void    max_stack(struct workspace *, struct swm_geometry *);
 315 void    plain_stacker(struct workspace *);
 316 void    fancy_stacker(struct workspace *);
 317
 318 struct ws_win *find_window(Window);
 319
 320 void    grabbuttons(struct ws_win *, int);
 321 void    new_region(struct swm_screen *, int, int, int, int);
 322 void    unmanage_window(struct ws_win *);
 323 long    getstate(Window);
 324
 325 struct layout {
 326         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 327         void            (*l_config)(struct workspace *, int);
 328         u_int32_t       flags;
 329 #define SWM_L_FOCUSPREV         (1<<0)
 330 #define SWM_L_MAPONFOCUS        (1<<1)
 331         void            (*l_string)(struct workspace *);
 332 } layouts[] =  {
 333         /* stack,               configure */
 334         { vertical_stack,       vertical_config,        0,      plain_stacker },
 335         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 336         { max_stack,            NULL,
 337           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 338         { NULL,                 NULL,                   0,      NULL  },
 339 };
 340
 341 /* position of max_stack mode in the layouts array, index into layouts! */
 342 #define SWM_V_STACK             (0)
 343 #define SWM_H_STACK             (1)
 344 #define SWM_MAX_STACK           (2)
 345
 346 #define SWM_H_SLICE             (32)
 347 #define SWM_V_SLICE             (32)
 348
 349 /* define work spaces */
 350 struct workspace {
 351         int                     idx;            /* workspace index */
 352         int                     always_raise;   /* raise windows on focus */
 353         struct layout           *cur_layout;    /* current layout handlers */
 354         struct ws_win           *focus;         /* may be NULL */
 355         struct ws_win           *focus_prev;    /* may be NULL */
 356         struct swm_region       *r;             /* may be NULL */
 357         struct swm_region       *old_r;         /* may be NULL */
 358         struct ws_win_list      winlist;        /* list of windows in ws */
 359         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 360         char                    stacker[10];    /* display stacker and layout */
 361
 362         /* stacker state */
 363         struct {
 364                                 int horizontal_msize;
 365                                 int horizontal_mwin;
 366                                 int horizontal_stacks;
 367                                 int vertical_msize;
 368                                 int vertical_mwin;
 369                                 int vertical_stacks;
 370         } l_state;
 371 };
 372
 373 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 374           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 375
 376 /* physical screen mapping */
 377 #define SWM_WS_MAX              (10)
 378 struct swm_screen {
 379         int                     idx;    /* screen index */
 380         struct swm_region_list  rl;     /* list of regions on this screen */
 381         struct swm_region_list  orl;    /* list of old regions */
 382         Window                  root;
 383         struct workspace        ws[SWM_WS_MAX];
 384
 385         /* colors */
 386         struct {
 387                 unsigned long   color;
 388                 char            *name;
 389         } c[SWM_S_COLOR_MAX];
 390 };
 391 struct swm_screen       *screens;
 392 int                     num_screens;
 393
 394 /* args to functions */
 395 union arg {
 396         int                     id;
 397 #define SWM_ARG_ID_FOCUSNEXT    (0)
 398 #define SWM_ARG_ID_FOCUSPREV    (1)
 399 #define SWM_ARG_ID_FOCUSMAIN    (2)
 400 #define SWM_ARG_ID_FOCUSCUR     (4)
 401 #define SWM_ARG_ID_SWAPNEXT     (10)
 402 #define SWM_ARG_ID_SWAPPREV     (11)
 403 #define SWM_ARG_ID_SWAPMAIN     (12)
 404 #define SWM_ARG_ID_MOVELAST     (13)
 405 #define SWM_ARG_ID_MASTERSHRINK (20)
 406 #define SWM_ARG_ID_MASTERGROW   (21)
 407 #define SWM_ARG_ID_MASTERADD    (22)
 408 #define SWM_ARG_ID_MASTERDEL    (23)
 409 #define SWM_ARG_ID_STACKRESET   (30)
 410 #define SWM_ARG_ID_STACKINIT    (31)
 411 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 412 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 413 #define SWM_ARG_ID_CYCLESC_UP   (42)
 414 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 415 #define SWM_ARG_ID_STACKINC     (50)
 416 #define SWM_ARG_ID_STACKDEC     (51)
 417 #define SWM_ARG_ID_SS_ALL       (60)
 418 #define SWM_ARG_ID_SS_WINDOW    (61)
 419 #define SWM_ARG_ID_DONTCENTER   (70)
 420 #define SWM_ARG_ID_CENTER       (71)
 421 #define SWM_ARG_ID_KILLWINDOW   (80)
 422 #define SWM_ARG_ID_DELETEWINDOW (81)
 423         char                    **argv;
 424 };
 425
 426 void    focus(struct swm_region *, union arg *);
 427 void    focus_magic(struct ws_win *);
 428
 429 /* quirks */
 430 struct quirk {
 431         char                    *class;
 432         char                    *name;
 433         unsigned long           quirk;
 434 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 435 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 436 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 437 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 438 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 439 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 440 };
 441 int                             quirks_size = 0, quirks_length = 0;
 442 struct quirk                    *quirks = NULL;
 443
 444 /*
 445  * Supported EWMH hints should be added to
 446  * both the enum and the ewmh array
 447  */
 448 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 449     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 450     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 451     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 452     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 453     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 454     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 455     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 456     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 457     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 458     SWM_EWMH_HINT_MAX };
 459
 460 struct ewmh_hint {
 461         char    *name;
 462         Atom     atom;
 463 } ewmh[SWM_EWMH_HINT_MAX] =     {
 464     /* must be in same order as in the enum */
 465     {"_NET_ACTIVE_WINDOW", None},
 466     {"_NET_MOVERESIZE_WINDOW", None},
 467     {"_NET_CLOSE_WINDOW", None},
 468     {"_NET_WM_WINDOW_TYPE", None},
 469     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 470     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 471     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 472     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 473     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 474     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 475     {"_NET_WM_STATE", None},
 476     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 477     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 478     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 479     {"_NET_WM_STATE_SKIP_PAGER", None},
 480     {"_NET_WM_STATE_HIDDEN", None},
 481     {"_NET_WM_STATE_ABOVE", None},
 482     {"_SWM_WM_STATE_MANUAL", None},
 483     {"_NET_WM_STATE_FULLSCREEN", None},
 484     {"_NET_WM_ALLOWED_ACTIONS", None},
 485     {"_NET_WM_ACTION_MOVE", None},
 486     {"_NET_WM_ACTION_RESIZE", None},
 487     {"_NET_WM_ACTION_FULLSCREEN", None},
 488     {"_NET_WM_ACTION_CLOSE", None},
 489 };
 490
 491 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 492 int     floating_toggle_win(struct ws_win *win);
 493 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 494
 495 int
 496 get_property(Window id, Atom atom, long count, Atom type,
 497     unsigned long *n, unsigned char **data)
 498 {
 499         int                     format, status;
 500         unsigned long           tmp, extra;
 501         unsigned long           *nitems;
 502         Atom                    real;
 503
 504         nitems = n != NULL ? n : &tmp;
 505         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 506             &real, &format, nitems, &extra, data);
 507
 508         if (status != Success)
 509                 return False;
 510         if (real != type)
 511                 return False;
 512
 513         return True;
 514 }
 515
 516 void
 517 update_iconic(struct ws_win *win, int newv)
 518 {
 519         int32_t v = newv;
 520         Atom iprop;
 521
 522         win->iconic = newv;
 523
 524         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 525         if (!iprop)
 526                 return;
 527         if (newv)
 528                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 529                     PropModeReplace, (unsigned char *)&v, 1);
 530         else
 531                 XDeleteProperty(display, win->id, iprop);
 532 }
 533
 534 int
 535 get_iconic(struct ws_win *win)
 536 {
 537         int32_t v = 0;
 538         int retfmt, status;
 539         Atom iprop, rettype;
 540         unsigned long nitems, extra;
 541         unsigned char *prop = NULL;
 542
 543         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 544         if (!iprop)
 545                 goto out;
 546         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 547             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 548         if (status != Success)
 549                 goto out;
 550         if (rettype != XA_INTEGER || retfmt != 32)
 551                 goto out;
 552         if (nitems != 1)
 553                 goto out;
 554         v = *((int32_t *)prop);
 555
 556 out:
 557         if (prop != NULL)
 558                 XFree(prop);
 559         return (v);
 560 }
 561
 562 void
 563 setup_ewmh(void)
 564 {
 565         int                     i,j;
 566         Atom                    sup_list;
 567
 568         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 569
 570         for (i = 0; i < LENGTH(ewmh); i++)
 571                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 572
 573         for (i = 0; i < ScreenCount(display); i++) {
 574                 /* Support check window will be created by workaround(). */
 575
 576                 /* Report supported atoms */
 577                 XDeleteProperty(display, screens[i].root, sup_list);
 578                 for (j = 0; j < LENGTH(ewmh); j++)
 579                         XChangeProperty(display, screens[i].root,
 580                             sup_list, XA_ATOM, 32,
 581                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 582         }
 583 }
 584
 585 void
 586 teardown_ewmh(void)
 587 {
 588         int                     i, success;
 589         unsigned char           *data = NULL;
 590         unsigned long           n;
 591         Atom                    sup_check, sup_list;
 592         Window                  id;
 593
 594         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 595         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 596
 597         for (i = 0; i < ScreenCount(display); i++) {
 598                 /* Get the support check window and destroy it */
 599                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 600                     &n, &data);
 601
 602                 if (success) {
 603                         id = data[0];
 604                         XDestroyWindow(display, id);
 605                         XDeleteProperty(display, screens[i].root, sup_check);
 606                         XDeleteProperty(display, screens[i].root, sup_list);
 607                 }
 608
 609                 XFree(data);
 610         }
 611 }
 612
 613 void
 614 ewmh_autoquirk(struct ws_win *win)
 615 {
 616         int                     success, i;
 617         unsigned long           *data = NULL;
 618         unsigned long           n;
 619         Atom                    type;
 620
 621         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 622             XA_ATOM, &n, (unsigned char **)&data);
 623
 624         if (!success) {
 625                 XFree(data);
 626                 return;
 627         }
 628
 629         for (i = 0; i < n; i++) {
 630                 type = data[i];
 631                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 632                         break;
 633                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 634                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 635                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 636                         win->floating = 1;
 637                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 638                         break;
 639                 }
 640                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 641                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 642                         win->floating = 1;
 643                         win->quirks = SWM_Q_FLOAT;
 644                         break;
 645                 }
 646         }
 647
 648         XFree(data);
 649 }
 650
 651 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 652 #define EWMH_F_FULLSCREEN               (1<<0)
 653 #define EWMH_F_ABOVE                    (1<<1)
 654 #define EWMH_F_HIDDEN                   (1<<2)
 655 #define EWMH_F_SKIP_PAGER               (1<<3)
 656 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 657 #define SWM_F_MANUAL                    (1<<5)
 658
 659 int
 660 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 661 {
 662         struct swm_geometry     rg;
 663
 664         if (!win->ws->r)
 665                 return 0;
 666
 667         if (!win->floating)
 668                 return 0;
 669
 670         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 671             win->id, fs);
 672
 673         rg = win->ws->r->g;
 674
 675         if (fs) {
 676                 store_float_geom(win, win->ws->r);
 677
 678                 win->g.x = rg.x;
 679                 win->g.y = rg.y;
 680                 win->g.w = rg.w;
 681                 win->g.h = rg.h;
 682         } else {
 683                 if (win->g_floatvalid) {
 684                         /* refloat at last floating relative position */
 685                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 686                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 687                         win->g.w = win->g_float.w;
 688                         win->g.h = win->g_float.h;
 689                 }
 690         }
 691
 692         return 1;
 693 }
 694
 695 void
 696 ewmh_update_actions(struct ws_win *win)
 697 {
 698         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 699         int                     n = 0;
 700
 701         if (win == NULL)
 702                 return;
 703
 704         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 705
 706         if (win->floating) {
 707                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 708                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 709         }
 710
 711         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 712             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 713 }
 714
 715 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 716 #define _NET_WM_STATE_ADD       1    /* add/set property */
 717 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 718
 719 void
 720 ewmh_update_win_state(struct ws_win *win, long state, long action)
 721 {
 722         unsigned int            mask = 0;
 723         unsigned int            changed = 0;
 724         unsigned int            orig_flags;
 725
 726         if (win == NULL)
 727                 return;
 728
 729         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 730                 mask = EWMH_F_FULLSCREEN;
 731         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 732                 mask = EWMH_F_ABOVE;
 733         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 734                 mask = SWM_F_MANUAL;
 735         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 736                 mask = EWMH_F_SKIP_PAGER;
 737         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 738                 mask = EWMH_F_SKIP_TASKBAR;
 739
 740
 741         orig_flags = win->ewmh_flags;
 742
 743         switch (action) {
 744         case _NET_WM_STATE_REMOVE:
 745                 win->ewmh_flags &= ~mask;
 746                 break;
 747         case _NET_WM_STATE_ADD:
 748                 win->ewmh_flags |= mask;
 749                 break;
 750         case _NET_WM_STATE_TOGGLE:
 751                 win->ewmh_flags ^= mask;
 752                 break;
 753         }
 754
 755         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 756
 757         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 758                 if (changed)
 759                         if (!floating_toggle_win(win))
 760                                 win->ewmh_flags = orig_flags; /* revert */
 761         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 762                 if (changed)
 763                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 764         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 765                 if (changed)
 766                         if (!ewmh_set_win_fullscreen(win,
 767                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 768                                 win->ewmh_flags = orig_flags; /* revert */
 769
 770         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 771
 772         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 773                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 774                     XA_ATOM, 32, PropModeAppend,
 775                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 776         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 777                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 778                     XA_ATOM, 32, PropModeAppend,
 779                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 780         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 781                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 782                     XA_ATOM, 32, PropModeAppend,
 783                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 784         if (win->ewmh_flags & EWMH_F_ABOVE)
 785                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 786                     XA_ATOM, 32, PropModeAppend,
 787                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 788         if (win->ewmh_flags & SWM_F_MANUAL)
 789                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 790                     XA_ATOM, 32, PropModeAppend,
 791                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 792 }
 793
 794 void
 795 ewmh_get_win_state(struct ws_win *win)
 796 {
 797         int                     success, i;
 798         unsigned long           n;
 799         Atom                    *states;
 800
 801         if (win == NULL)
 802                 return;
 803
 804         win->ewmh_flags = 0;
 805         if (win->floating)
 806                 win->ewmh_flags |= EWMH_F_ABOVE;
 807         if (win->manual)
 808                 win->ewmh_flags |= SWM_F_MANUAL;
 809
 810         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 811             (~0L), XA_ATOM, &n, (unsigned char **)&states);
 812
 813         if (!success)
 814                 return;
 815
 816         for (i = 0; i < n; i++)
 817                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 818
 819         XFree(states);
 820 }
 821
 822 /* events */
 823 #ifdef SWM_DEBUG
 824 void
 825 dumpevent(XEvent *e)
 826 {
 827         char                    *name = NULL;
 828
 829         switch (e->type) {
 830         case KeyPress:
 831                 name = "KeyPress";
 832                 break;
 833         case KeyRelease:
 834                 name = "KeyRelease";
 835                 break;
 836         case ButtonPress:
 837                 name = "ButtonPress";
 838                 break;
 839         case ButtonRelease:
 840                 name = "ButtonRelease";
 841                 break;
 842         case MotionNotify:
 843                 name = "MotionNotify";
 844                 break;
 845         case EnterNotify:
 846                 name = "EnterNotify";
 847                 break;
 848         case LeaveNotify:
 849                 name = "LeaveNotify";
 850                 break;
 851         case FocusIn:
 852                 name = "FocusIn";
 853                 break;
 854         case FocusOut:
 855                 name = "FocusOut";
 856                 break;
 857         case KeymapNotify:
 858                 name = "KeymapNotify";
 859                 break;
 860         case Expose:
 861                 name = "Expose";
 862                 break;
 863         case GraphicsExpose:
 864                 name = "GraphicsExpose";
 865                 break;
 866         case NoExpose:
 867                 name = "NoExpose";
 868                 break;
 869         case VisibilityNotify:
 870                 name = "VisibilityNotify";
 871                 break;
 872         case CreateNotify:
 873                 name = "CreateNotify";
 874                 break;
 875         case DestroyNotify:
 876                 name = "DestroyNotify";
 877                 break;
 878         case UnmapNotify:
 879                 name = "UnmapNotify";
 880                 break;
 881         case MapNotify:
 882                 name = "MapNotify";
 883                 break;
 884         case MapRequest:
 885                 name = "MapRequest";
 886                 break;
 887         case ReparentNotify:
 888                 name = "ReparentNotify";
 889                 break;
 890         case ConfigureNotify:
 891                 name = "ConfigureNotify";
 892                 break;
 893         case ConfigureRequest:
 894                 name = "ConfigureRequest";
 895                 break;
 896         case GravityNotify:
 897                 name = "GravityNotify";
 898                 break;
 899         case ResizeRequest:
 900                 name = "ResizeRequest";
 901                 break;
 902         case CirculateNotify:
 903                 name = "CirculateNotify";
 904                 break;
 905         case CirculateRequest:
 906                 name = "CirculateRequest";
 907                 break;
 908         case PropertyNotify:
 909                 name = "PropertyNotify";
 910                 break;
 911         case SelectionClear:
 912                 name = "SelectionClear";
 913                 break;
 914         case SelectionRequest:
 915                 name = "SelectionRequest";
 916                 break;
 917         case SelectionNotify:
 918                 name = "SelectionNotify";
 919                 break;
 920         case ColormapNotify:
 921                 name = "ColormapNotify";
 922                 break;
 923         case ClientMessage:
 924                 name = "ClientMessage";
 925                 break;
 926         case MappingNotify:
 927                 name = "MappingNotify";
 928                 break;
 929         }
 930
 931         if (name)
 932                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 933                     "remaining\n",
 934                     e->xany.window, name, e->type, QLength(display));
 935         else
 936                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 937                     "remaining\n",
 938                     e->xany.window, e->type, QLength(display));
 939 }
 940
 941 void
 942 dumpwins(struct swm_region *r, union arg *args)
 943 {
 944         struct ws_win           *win;
 945         unsigned int            state;
 946         XWindowAttributes       wa;
 947
 948         if (r->ws == NULL) {
 949                 fprintf(stderr, "invalid workspace\n");
 950                 return;
 951         }
 952
 953         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 954
 955         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 956                 state = getstate(win->id);
 957                 if (!XGetWindowAttributes(display, win->id, &wa))
 958                         fprintf(stderr, "window: %lu failed "
 959                             "XGetWindowAttributes\n", win->id);
 960                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 961                     "transient: %lu\n",
 962                     win->id, wa.map_state, state, win->transient);
 963         }
 964
 965         fprintf(stderr, "===== unmanaged window list =====\n");
 966         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 967                 state = getstate(win->id);
 968                 if (!XGetWindowAttributes(display, win->id, &wa))
 969                         fprintf(stderr, "window: %lu failed "
 970                             "XGetWindowAttributes\n", win->id);
 971                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 972                     "transient: %lu\n",
 973                     win->id, wa.map_state, state, win->transient);
 974         }
 975
 976         fprintf(stderr, "=================================\n");
 977 }
 978 #else
 979 #define dumpevent(e)
 980 void
 981 dumpwins(struct swm_region *r, union arg *args)
 982 {
 983 }
 984 #endif /* SWM_DEBUG */
 985
 986 void                    expose(XEvent *);
 987 void                    keypress(XEvent *);
 988 void                    buttonpress(XEvent *);
 989 void                    configurerequest(XEvent *);
 990 void                    configurenotify(XEvent *);
 991 void                    destroynotify(XEvent *);
 992 void                    enternotify(XEvent *);
 993 void                    focusevent(XEvent *);
 994 void                    mapnotify(XEvent *);
 995 void                    mappingnotify(XEvent *);
 996 void                    maprequest(XEvent *);
 997 void                    propertynotify(XEvent *);
 998 void                    unmapnotify(XEvent *);
 999 void                    visibilitynotify(XEvent *);
1000 void                    clientmessage(XEvent *);
1001
1002 void                    (*handler[LASTEvent])(XEvent *) = {
1003                                 [Expose] = expose,
1004                                 [KeyPress] = keypress,
1005                                 [ButtonPress] = buttonpress,
1006                                 [ConfigureRequest] = configurerequest,
1007                                 [ConfigureNotify] = configurenotify,
1008                                 [DestroyNotify] = destroynotify,
1009                                 [EnterNotify] = enternotify,
1010                                 [FocusIn] = focusevent,
1011                                 [FocusOut] = focusevent,
1012                                 [MapNotify] = mapnotify,
1013                                 [MappingNotify] = mappingnotify,
1014                                 [MapRequest] = maprequest,
1015                                 [PropertyNotify] = propertynotify,
1016                                 [UnmapNotify] = unmapnotify,
1017                                 [VisibilityNotify] = visibilitynotify,
1018                                 [ClientMessage] = clientmessage,
1019 };
1020
1021 void
1022 sighdlr(int sig)
1023 {
1024         int                     saved_errno, status;
1025         pid_t                   pid;
1026
1027         saved_errno = errno;
1028
1029         switch (sig) {
1030         case SIGCHLD:
1031                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1032                         if (pid == -1) {
1033                                 if (errno == EINTR)
1034                                         continue;
1035 #ifdef SWM_DEBUG
1036                                 if (errno != ECHILD)
1037                                         warn("sighdlr: waitpid");
1038 #endif /* SWM_DEBUG */
1039                                 break;
1040                         }
1041                         if (pid == searchpid)
1042                                 search_resp = 1;
1043
1044 #ifdef SWM_DEBUG
1045                         if (WIFEXITED(status)) {
1046                                 if (WEXITSTATUS(status) != 0)
1047                                         warnx("sighdlr: child exit status: %d",
1048                                             WEXITSTATUS(status));
1049                         } else
1050                                 warnx("sighdlr: child is terminated "
1051                                     "abnormally");
1052 #endif /* SWM_DEBUG */
1053                 }
1054                 break;
1055
1056         case SIGHUP:
1057                 restart_wm = 1;
1058                 break;
1059         case SIGINT:
1060         case SIGTERM:
1061         case SIGQUIT:
1062                 running = 0;
1063                 break;
1064         }
1065
1066         errno = saved_errno;
1067 }
1068
1069 struct pid_e *
1070 find_pid(long pid)
1071 {
1072         struct pid_e            *p = NULL;
1073
1074         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1075
1076         if (pid == 0)
1077                 return (NULL);
1078
1079         TAILQ_FOREACH(p, &pidlist, entry) {
1080                 if (p->pid == pid)
1081                         return (p);
1082         }
1083
1084         return (NULL);
1085 }
1086
1087 unsigned long
1088 name_to_color(char *colorname)
1089 {
1090         Colormap                cmap;
1091         Status                  status;
1092         XColor                  screen_def, exact_def;
1093         unsigned long           result = 0;
1094         char                    cname[32] = "#";
1095
1096         cmap = DefaultColormap(display, screens[0].idx);
1097         status = XAllocNamedColor(display, cmap, colorname,
1098             &screen_def, &exact_def);
1099         if (!status) {
1100                 strlcat(cname, colorname + 2, sizeof cname - 1);
1101                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1102                     &exact_def);
1103         }
1104         if (status)
1105                 result = screen_def.pixel;
1106         else
1107                 fprintf(stderr, "color '%s' not found.\n", colorname);
1108
1109         return (result);
1110 }
1111
1112 void
1113 setscreencolor(char *val, int i, int c)
1114 {
1115         if (i > 0 && i <= ScreenCount(display)) {
1116                 screens[i - 1].c[c].color = name_to_color(val);
1117                 free(screens[i - 1].c[c].name);
1118                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1119                         errx(1, "strdup");
1120         } else if (i == -1) {
1121                 for (i = 0; i < ScreenCount(display); i++) {
1122                         screens[i].c[c].color = name_to_color(val);
1123                         free(screens[i].c[c].name);
1124                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1125                                 errx(1, "strdup");
1126                 }
1127         } else
1128                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1129                     i, ScreenCount(display));
1130 }
1131
1132 void
1133 fancy_stacker(struct workspace *ws)
1134 {
1135         strcpy(ws->stacker, "[   ]");
1136         if (ws->cur_layout->l_stack == vertical_stack)
1137                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1138                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1139         if (ws->cur_layout->l_stack == horizontal_stack)
1140                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1141                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1142 }
1143
1144 void
1145 plain_stacker(struct workspace *ws)
1146 {
1147         strcpy(ws->stacker, "[ ]");
1148         if (ws->cur_layout->l_stack == vertical_stack)
1149                 strcpy(ws->stacker, "[|]");
1150         if (ws->cur_layout->l_stack == horizontal_stack)
1151                 strcpy(ws->stacker, "[-]");
1152 }
1153
1154 void
1155 custom_region(char *val)
1156 {
1157         unsigned int                    sidx, x, y, w, h;
1158
1159         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1160                 errx(1, "invalid custom region, "
1161                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1162         if (sidx < 1 || sidx > ScreenCount(display))
1163                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1164                     sidx, ScreenCount(display));
1165         sidx--;
1166
1167         if (w < 1 || h < 1)
1168                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1169
1170         if (x  < 0 || x > DisplayWidth(display, sidx) ||
1171             y < 0 || y > DisplayHeight(display, sidx) ||
1172             w + x > DisplayWidth(display, sidx) ||
1173             h + y > DisplayHeight(display, sidx)) {
1174                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1175                     "- not within screen boundaries "
1176                     "(%ux%u)\n", w, h, x, y,
1177                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1178                 return;
1179         }
1180
1181         new_region(&screens[sidx], x, y, w, h);
1182 }
1183
1184 void
1185 socket_setnonblock(int fd)
1186 {
1187         int                     flags;
1188
1189         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1190                 err(1, "fcntl F_GETFL");
1191         flags |= O_NONBLOCK;
1192         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1193                 err(1, "fcntl F_SETFL");
1194 }
1195
1196 void
1197 bar_print(struct swm_region *r, char *s)
1198 {
1199         XClearWindow(display, r->bar_window);
1200         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1201         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1202             strlen(s));
1203 }
1204
1205 void
1206 bar_extra_stop(void)
1207 {
1208         if (bar_pipe[0]) {
1209                 close(bar_pipe[0]);
1210                 bzero(bar_pipe, sizeof bar_pipe);
1211         }
1212         if (bar_pid) {
1213                 kill(bar_pid, SIGTERM);
1214                 bar_pid = 0;
1215         }
1216         strlcpy(bar_ext, "", sizeof bar_ext);
1217         bar_extra = 0;
1218 }
1219
1220 void
1221 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1222 {
1223         int                     do_class, do_name;
1224         Status                  status;
1225         XClassHint              *xch = NULL;
1226
1227         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1228             cur_focus != NULL) {
1229                 if ((xch = XAllocClassHint()) == NULL)
1230                         goto out;
1231                 status = XGetClassHint(display, cur_focus->id, xch);
1232                 if (status == BadWindow || status == BadAlloc)
1233                         goto out;
1234                 do_class = (title_class_enabled && xch->res_class != NULL);
1235                 do_name = (title_name_enabled && xch->res_name != NULL);
1236                 if (do_class)
1237                         strlcat(s, xch->res_class, sz);
1238                 if (do_class && do_name)
1239                         strlcat(s, ":", sz);
1240                 if (do_name)
1241                         strlcat(s, xch->res_name, sz);
1242                 strlcat(s, "    ", sz);
1243         }
1244 out:
1245         if (xch)
1246                 XFree(xch);
1247 }
1248
1249 void
1250 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1251 {
1252         char                    *title;
1253
1254         if (window_name_enabled && cur_focus != NULL) {
1255                 XFetchName(display, cur_focus->id, &title);
1256                 if (title) {
1257                         if (cur_focus->floating)
1258                                 strlcat(s, "(f) ", sz);
1259                         strlcat(s, title, sz);
1260                         strlcat(s, " ", sz);
1261                         XFree(title);
1262                 }
1263         }
1264 }
1265
1266 int             urgent[SWM_WS_MAX];
1267 void
1268 bar_urgent(char *s, ssize_t sz)
1269 {
1270         XWMHints                *wmh = NULL;
1271         struct ws_win           *win;
1272         int                     i, j;
1273         char                    b[8];
1274
1275         if (urgent_enabled == 0)
1276                 return;
1277
1278         for (i = 0; i < SWM_WS_MAX; i++)
1279                 urgent[i] = 0;
1280
1281         for (i = 0; i < ScreenCount(display); i++)
1282                 for (j = 0; j < SWM_WS_MAX; j++)
1283                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1284                                 wmh = XGetWMHints(display, win->id);
1285                                 if (wmh == NULL)
1286                                         continue;
1287
1288                                 if (wmh->flags & XUrgencyHint)
1289                                         urgent[j] = 1;
1290                                 XFree(wmh);
1291                         }
1292
1293         strlcat(s, "* ", sz);
1294         for (i = 0; i < SWM_WS_MAX; i++) {
1295                 if (urgent[i])
1296                         snprintf(b, sizeof b, "%d ", i + 1);
1297                 else
1298                         snprintf(b, sizeof b, "- ");
1299                 strlcat(s, b, sz);
1300         }
1301         strlcat(s, "*    ", sz);
1302 }
1303
1304 void
1305 bar_update(void)
1306 {
1307         time_t                  tmt;
1308         struct tm               tm;
1309         struct swm_region       *r;
1310         int                     i, x;
1311         size_t                  len;
1312         char                    s[SWM_BAR_MAX];
1313         char                    cn[SWM_BAR_MAX];
1314         char                    loc[SWM_BAR_MAX];
1315         char                    *b;
1316
1317         if (bar_enabled == 0)
1318                 return;
1319         if (bar_extra && bar_extra_running) {
1320                 /* ignore short reads; it'll correct itself */
1321                 while ((b = fgetln(stdin, &len)) != NULL)
1322                         if (b && b[len - 1] == '\n') {
1323                                 b[len - 1] = '\0';
1324                                 strlcpy(bar_ext, b, sizeof bar_ext);
1325                         }
1326                 if (b == NULL && errno != EAGAIN) {
1327                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1328                             errno, strerror(errno));
1329                         bar_extra_stop();
1330                 }
1331         } else
1332                 strlcpy(bar_ext, "", sizeof bar_ext);
1333
1334         if (clock_enabled == 0)
1335                 strlcpy(s, "", sizeof s);
1336         else {
1337                 time(&tmt);
1338                 localtime_r(&tmt, &tm);
1339                 strftime(s, sizeof s, clock_format, &tm);
1340                 strlcat(s, "    ", sizeof s);
1341         }
1342
1343         for (i = 0; i < ScreenCount(display); i++) {
1344                 x = 1;
1345                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1346                         strlcpy(cn, "", sizeof cn);
1347                         if (r && r->ws) {
1348                                 bar_urgent(cn, sizeof cn);
1349                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1350                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1351                         }
1352
1353                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1354                             x++, r->ws->idx + 1, r->ws->stacker, s, cn, bar_ext,
1355                             bar_vertext);
1356                         bar_print(r, loc);
1357                 }
1358         }
1359         alarm(bar_delay);
1360 }
1361
1362 void
1363 bar_signal(int sig)
1364 {
1365         bar_alarm = 1;
1366 }
1367
1368 void
1369 bar_toggle(struct swm_region *r, union arg *args)
1370 {
1371         struct swm_region       *tmpr;
1372         int                     i, sc = ScreenCount(display);
1373
1374         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1375
1376         if (bar_enabled)
1377                 for (i = 0; i < sc; i++)
1378                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1379                                 XUnmapWindow(display, tmpr->bar_window);
1380         else
1381                 for (i = 0; i < sc; i++)
1382                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1383                                 XMapRaised(display, tmpr->bar_window);
1384
1385         bar_enabled = !bar_enabled;
1386
1387         stack();
1388         /* must be after stack */
1389         bar_update();
1390 }
1391
1392 void
1393 bar_refresh(void)
1394 {
1395         XSetWindowAttributes    wa;
1396         struct swm_region       *r;
1397         int                     i;
1398
1399         /* do this here because the conf file is in memory */
1400         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1401                 /* launch external status app */
1402                 bar_extra_running = 1;
1403                 if (pipe(bar_pipe) == -1)
1404                         err(1, "pipe error");
1405                 socket_setnonblock(bar_pipe[0]);
1406                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1407                 if (dup2(bar_pipe[0], 0) == -1)
1408                         errx(1, "dup2");
1409                 if (dup2(bar_pipe[1], 1) == -1)
1410                         errx(1, "dup2");
1411                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1412                         err(1, "could not disable SIGPIPE");
1413                 switch (bar_pid = fork()) {
1414                 case -1:
1415                         err(1, "cannot fork");
1416                         break;
1417                 case 0: /* child */
1418                         close(bar_pipe[0]);
1419                         execvp(bar_argv[0], bar_argv);
1420                         err(1, "%s external app failed", bar_argv[0]);
1421                         break;
1422                 default: /* parent */
1423                         close(bar_pipe[1]);
1424                         break;
1425                 }
1426         }
1427
1428         bzero(&wa, sizeof wa);
1429         for (i = 0; i < ScreenCount(display); i++)
1430                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1431                         wa.border_pixel =
1432                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1433                         wa.background_pixel =
1434                             screens[i].c[SWM_S_COLOR_BAR].color;
1435                         XChangeWindowAttributes(display, r->bar_window,
1436                             CWBackPixel | CWBorderPixel, &wa);
1437                 }
1438         bar_update();
1439 }
1440
1441 void
1442 bar_setup(struct swm_region *r)
1443 {
1444         int                     i, x, y;
1445
1446         if (bar_fs) {
1447                 XFreeFont(display, bar_fs);
1448                 bar_fs = NULL;
1449         }
1450
1451         for (i = 0; bar_fonts[i] != NULL; i++) {
1452                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1453                 if (bar_fs) {
1454                         bar_fidx = i;
1455                         break;
1456                 }
1457         }
1458         if (bar_fonts[i] == NULL)
1459                         errx(1, "couldn't load font");
1460         if (bar_fs == NULL)
1461                 errx(1, "couldn't create font structure");
1462
1463         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1464             2 * bar_border_width;
1465         x = X(r);
1466         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1467
1468         r->bar_window = XCreateSimpleWindow(display,
1469             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1470             bar_height - 2 * bar_border_width,
1471             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1472             r->s->c[SWM_S_COLOR_BAR].color);
1473         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1474         XSetFont(display, bar_gc, bar_fs->fid);
1475         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1476         if (bar_enabled)
1477                 XMapRaised(display, r->bar_window);
1478         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1479
1480         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1481                 err(1, "could not install bar_signal");
1482         bar_refresh();
1483 }
1484
1485 void
1486 drain_enter_notify(void)
1487 {
1488         int                     i = 0;
1489         XEvent                  cne;
1490
1491         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1492                 i++;
1493
1494         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1495 }
1496
1497 void
1498 set_win_state(struct ws_win *win, long state)
1499 {
1500         long                    data[] = {state, None};
1501
1502         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1503
1504         if (win == NULL)
1505                 return;
1506
1507         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1508             (unsigned char *)data, 2);
1509 }
1510
1511 long
1512 getstate(Window w)
1513 {
1514         long                    result = -1;
1515         unsigned char           *p = NULL;
1516         unsigned long           n;
1517
1518         if (!get_property(w, astate, 2L, astate, &n, &p))
1519                 return (-1);
1520         if (n != 0)
1521                 result = *((long *)p);
1522         XFree(p);
1523         return (result);
1524 }
1525
1526 void
1527 version(struct swm_region *r, union arg *args)
1528 {
1529         bar_version = !bar_version;
1530         if (bar_version)
1531                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1532                     SWM_VERSION, cvstag);
1533         else
1534                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1535         bar_update();
1536 }
1537
1538 void
1539 client_msg(struct ws_win *win, Atom a)
1540 {
1541         XClientMessageEvent     cm;
1542
1543         if (win == NULL)
1544                 return;
1545
1546         bzero(&cm, sizeof cm);
1547         cm.type = ClientMessage;
1548         cm.window = win->id;
1549         cm.message_type = aprot;
1550         cm.format = 32;
1551         cm.data.l[0] = a;
1552         cm.data.l[1] = CurrentTime;
1553         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1554 }
1555
1556 void
1557 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1558 {
1559         XConfigureEvent         ce;
1560
1561         if (win == NULL)
1562                 return;
1563
1564         if (ev == NULL) {
1565                 DNPRINTF(SWM_D_MISC,
1566                     "config_win: win %lu x %d y %d w %d h %d\n",
1567                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1568
1569                 ce.type = ConfigureNotify;
1570                 ce.display = display;
1571                 ce.event = win->id;
1572                 ce.window = win->id;
1573                 ce.x = win->g.x;
1574                 ce.y = win->g.y;
1575                 ce.width = win->g.w;
1576                 ce.height = win->g.h;
1577                 ce.border_width = border_width;
1578                 ce.above = None;
1579                 ce.override_redirect = False;
1580         } else {
1581                 DNPRINTF(SWM_D_MISC,
1582                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1583                     ev->window, ev->x, ev->y, ev->width, ev->height);
1584                 ce.type = ConfigureNotify;
1585                 ce.display = ev->display;
1586                 ce.event = ev->window;
1587                 ce.window = ev->window;
1588                 ce.x = ev->x;
1589                 ce.y = ev->y;
1590                 ce.width = ev->width;
1591                 ce.height = ev->height;
1592                 ce.border_width = ev->border_width;
1593                 ce.above = ev->above;
1594                 ce.override_redirect = False;
1595         }
1596
1597         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1598 }
1599
1600 int
1601 count_win(struct workspace *ws, int count_transient)
1602 {
1603         struct ws_win           *win;
1604         int                     count = 0;
1605
1606         TAILQ_FOREACH(win, &ws->winlist, entry) {
1607                 if (count_transient == 0 && win->floating)
1608                         continue;
1609                 if (count_transient == 0 && win->transient)
1610                         continue;
1611                 if (win->iconic)
1612                         continue;
1613                 count++;
1614         }
1615         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1616
1617         return (count);
1618 }
1619
1620 void
1621 quit(struct swm_region *r, union arg *args)
1622 {
1623         DNPRINTF(SWM_D_MISC, "quit\n");
1624         running = 0;
1625 }
1626
1627 void
1628 unmap_window(struct ws_win *win)
1629 {
1630         if (win == NULL)
1631                 return;
1632
1633         /* don't unmap again */
1634         if (getstate(win->id) == IconicState)
1635                 return;
1636
1637         set_win_state(win, IconicState);
1638
1639         XUnmapWindow(display, win->id);
1640         XSetWindowBorder(display, win->id,
1641             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1642 }
1643
1644 void
1645 unmap_all(void)
1646 {
1647         struct ws_win           *win;
1648         int                     i, j;
1649
1650         for (i = 0; i < ScreenCount(display); i++)
1651                 for (j = 0; j < SWM_WS_MAX; j++)
1652                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1653                                 unmap_window(win);
1654 }
1655
1656 void
1657 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1658 {
1659         XKeyEvent event;
1660
1661         if (win == NULL)
1662                 return;
1663
1664         event.display = display;        /* Ignored, but what the hell */
1665         event.window = win->id;
1666         event.root = win->s->root;
1667         event.subwindow = None;
1668         event.time = CurrentTime;
1669         event.x = win->g.x;
1670         event.y = win->g.y;
1671         event.x_root = 1;
1672         event.y_root = 1;
1673         event.same_screen = True;
1674         event.keycode = XKeysymToKeycode(display, keysym);
1675         event.state = modifiers;
1676
1677         event.type = KeyPress;
1678         XSendEvent(event.display, event.window, True,
1679             KeyPressMask, (XEvent *)&event);
1680
1681         event.type = KeyRelease;
1682         XSendEvent(event.display, event.window, True,
1683             KeyPressMask, (XEvent *)&event);
1684
1685 }
1686
1687 void
1688 restart(struct swm_region *r, union arg *args)
1689 {
1690         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1691
1692         /* disable alarm because the following code may not be interrupted */
1693         alarm(0);
1694         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1695                 errx(1, "can't disable alarm");
1696
1697         bar_extra_stop();
1698         bar_extra = 1;
1699         unmap_all();
1700         XCloseDisplay(display);
1701         execvp(start_argv[0], start_argv);
1702         fprintf(stderr, "execvp failed\n");
1703         perror(" failed");
1704         quit(NULL, NULL);
1705 }
1706
1707 struct swm_region *
1708 root_to_region(Window root)
1709 {
1710         struct swm_region       *r = NULL;
1711         Window                  rr, cr;
1712         int                     i, x, y, wx, wy;
1713         unsigned int            mask;
1714
1715         for (i = 0; i < ScreenCount(display); i++)
1716                 if (screens[i].root == root)
1717                         break;
1718
1719         if (XQueryPointer(display, screens[i].root,
1720             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1721                 /* choose a region based on pointer location */
1722                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1723                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1724                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1725                                 break;
1726         }
1727
1728         if (r == NULL)
1729                 r = TAILQ_FIRST(&screens[i].rl);
1730
1731         return (r);
1732 }
1733
1734 struct ws_win *
1735 find_unmanaged_window(Window id)
1736 {
1737         struct ws_win           *win;
1738         int                     i, j;
1739
1740         for (i = 0; i < ScreenCount(display); i++)
1741                 for (j = 0; j < SWM_WS_MAX; j++)
1742                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1743                             entry)
1744                                 if (id == win->id)
1745                                         return (win);
1746         return (NULL);
1747 }
1748
1749 struct ws_win *
1750 find_window(Window id)
1751 {
1752         struct ws_win           *win;
1753         Window                  wrr, wpr, *wcr = NULL;
1754         int                     i, j;
1755         unsigned int            nc;
1756
1757         for (i = 0; i < ScreenCount(display); i++)
1758                 for (j = 0; j < SWM_WS_MAX; j++)
1759                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1760                                 if (id == win->id)
1761                                         return (win);
1762
1763         /* if we were looking for the parent return that window instead */
1764         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1765                 return (NULL);
1766         if (wcr)
1767                 XFree(wcr);
1768
1769         /* ignore not found and root */
1770         if (wpr == 0 || wrr == wpr)
1771                 return (NULL);
1772
1773         /* look for parent */
1774         for (i = 0; i < ScreenCount(display); i++)
1775                 for (j = 0; j < SWM_WS_MAX; j++)
1776                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1777                                 if (wpr == win->id)
1778                                         return (win);
1779
1780         return (NULL);
1781 }
1782
1783 void
1784 spawn(int ws_idx, union arg *args, int close_fd)
1785 {
1786         int                     fd;
1787         char                    *ret = NULL;
1788
1789         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1790
1791         if (display)
1792                 close(ConnectionNumber(display));
1793
1794         setenv("LD_PRELOAD", SWM_LIB, 1);
1795
1796         if (asprintf(&ret, "%d", ws_idx) == -1) {
1797                 perror("_SWM_WS");
1798                 _exit(1);
1799         }
1800         setenv("_SWM_WS", ret, 1);
1801         free(ret);
1802         ret = NULL;
1803
1804         if (asprintf(&ret, "%d", getpid()) == -1) {
1805                 perror("_SWM_PID");
1806                 _exit(1);
1807         }
1808         setenv("_SWM_PID", ret, 1);
1809         free(ret);
1810         ret = NULL;
1811
1812         if (setsid() == -1) {
1813                 perror("setsid");
1814                 _exit(1);
1815         }
1816
1817         if (close_fd) {
1818                 /*
1819                  * close stdin and stdout to prevent interaction between apps
1820                  * and the baraction script
1821                  * leave stderr open to record errors
1822                 */
1823                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1824                         perror("open");
1825                         _exit(1);
1826                 }
1827                 dup2(fd, STDIN_FILENO);
1828                 dup2(fd, STDOUT_FILENO);
1829                 if (fd > 2)
1830                         close(fd);
1831         }
1832
1833         execvp(args->argv[0], args->argv);
1834
1835         perror("execvp");
1836         _exit(1);
1837 }
1838
1839 void
1840 spawnterm(struct swm_region *r, union arg *args)
1841 {
1842         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1843
1844         if (fork() == 0) {
1845                 if (term_width)
1846                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1847                 spawn(r->ws->idx, args, 1);
1848         }
1849 }
1850
1851 void
1852 kill_refs(struct ws_win *win)
1853 {
1854         int                     i, x;
1855         struct swm_region       *r;
1856         struct workspace        *ws;
1857
1858         if (win == NULL)
1859                 return;
1860
1861         for (i = 0; i < ScreenCount(display); i++)
1862                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1863                         for (x = 0; x < SWM_WS_MAX; x++) {
1864                                 ws = &r->s->ws[x];
1865                                 if (win == ws->focus)
1866                                         ws->focus = NULL;
1867                                 if (win == ws->focus_prev)
1868                                         ws->focus_prev = NULL;
1869                         }
1870 }
1871
1872 int
1873 validate_win(struct ws_win *testwin)
1874 {
1875         struct ws_win           *win;
1876         struct workspace        *ws;
1877         struct swm_region       *r;
1878         int                     i, x, foundit = 0;
1879
1880         if (testwin == NULL)
1881                 return (0);
1882
1883         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1884                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1885                         for (x = 0; x < SWM_WS_MAX; x++) {
1886                                 ws = &r->s->ws[x];
1887                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1888                                         if (win == testwin)
1889                                                 return (0);
1890                         }
1891         return (1);
1892 }
1893
1894 int
1895 validate_ws(struct workspace *testws)
1896 {
1897         struct swm_region       *r;
1898         struct workspace        *ws;
1899         int                     foundit, i, x;
1900
1901         /* validate all ws */
1902         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1903                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1904                         for (x = 0; x < SWM_WS_MAX; x++) {
1905                                 ws = &r->s->ws[x];
1906                                 if (ws == testws)
1907                                         return (0);
1908                         }
1909         return (1);
1910 }
1911
1912 void
1913 unfocus_win(struct ws_win *win)
1914 {
1915         XEvent                  cne;
1916         Window                  none = None;
1917
1918         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1919
1920         if (win == NULL)
1921                 return;
1922         if (win->ws == NULL)
1923                 return;
1924
1925         if (validate_ws(win->ws))
1926                 return; /* XXX this gets hit with thunderbird, needs fixing */
1927
1928         if (win->ws->r == NULL)
1929                 return;
1930
1931         if (validate_win(win)) {
1932                 kill_refs(win);
1933                 return;
1934         }
1935
1936         if (win->ws->focus == win) {
1937                 win->ws->focus = NULL;
1938                 win->ws->focus_prev = win;
1939         }
1940
1941         if (validate_win(win->ws->focus)) {
1942                 kill_refs(win->ws->focus);
1943                 win->ws->focus = NULL;
1944         }
1945         if (validate_win(win->ws->focus_prev)) {
1946                 kill_refs(win->ws->focus_prev);
1947                 win->ws->focus_prev = NULL;
1948         }
1949
1950         /* drain all previous unfocus events */
1951         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1952                 ;
1953
1954         grabbuttons(win, 0);
1955         XSetWindowBorder(display, win->id,
1956             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1957
1958         XChangeProperty(display, win->s->root,
1959             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1960             PropModeReplace, (unsigned char *)&none,1);
1961 }
1962
1963 void
1964 unfocus_all(void)
1965 {
1966         struct ws_win           *win;
1967         int                     i, j;
1968
1969         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1970
1971         for (i = 0; i < ScreenCount(display); i++)
1972                 for (j = 0; j < SWM_WS_MAX; j++)
1973                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1974                                 unfocus_win(win);
1975 }
1976
1977 void
1978 focus_win(struct ws_win *win)
1979 {
1980         XEvent                  cne;
1981         Window                  cur_focus;
1982         int                     rr;
1983         struct ws_win           *cfw = NULL;
1984
1985
1986         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1987
1988         if (win == NULL)
1989                 return;
1990         if (win->ws == NULL)
1991                 return;
1992
1993         if (validate_ws(win->ws))
1994                 return; /* XXX this gets hit with thunderbird, needs fixing */
1995
1996         if (validate_win(win)) {
1997                 kill_refs(win);
1998                 return;
1999         }
2000
2001         if (validate_win(win)) {
2002                 kill_refs(win);
2003                 return;
2004         }
2005
2006         XGetInputFocus(display, &cur_focus, &rr);
2007         if ((cfw = find_window(cur_focus)) != NULL)
2008                 unfocus_win(cfw);
2009         else {
2010                 /* use larger hammer since the window was killed somehow */
2011                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2012                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2013                                 XSetWindowBorder(display, cfw->id,
2014                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2015         }
2016
2017         win->ws->focus = win;
2018
2019         if (win->ws->r != NULL) {
2020                 /* drain all previous focus events */
2021                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2022                         ;
2023
2024                 if (win->java == 0)
2025                         XSetInputFocus(display, win->id,
2026                             RevertToParent, CurrentTime);
2027                 grabbuttons(win, 1);
2028                 XSetWindowBorder(display, win->id,
2029                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2030                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2031                     win->ws->always_raise)
2032                         XMapRaised(display, win->id);
2033
2034                 XChangeProperty(display, win->s->root,
2035                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2036                     PropModeReplace, (unsigned char *)&win->id,1);
2037         }
2038
2039         if (window_name_enabled)
2040                 bar_update();
2041 }
2042
2043 void
2044 switchws(struct swm_region *r, union arg *args)
2045 {
2046         int                     wsid = args->id, unmap_old = 0;
2047         struct swm_region       *this_r, *other_r;
2048         struct ws_win           *win;
2049         struct workspace        *new_ws, *old_ws;
2050         union arg               a;
2051
2052         if (!(r && r->s))
2053                 return;
2054
2055         this_r = r;
2056         old_ws = this_r->ws;
2057         new_ws = &this_r->s->ws[wsid];
2058
2059         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2060             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2061             old_ws->idx, wsid);
2062
2063         if (new_ws == NULL || old_ws == NULL)
2064                 return;
2065         if (new_ws == old_ws)
2066                 return;
2067
2068         other_r = new_ws->r;
2069         if (other_r == NULL) {
2070                 /* the other workspace is hidden, hide this one */
2071                 old_ws->r = NULL;
2072                 unmap_old = 1;
2073         } else {
2074                 /* the other ws is visible in another region, exchange them */
2075                 other_r->ws_prior = new_ws;
2076                 other_r->ws = old_ws;
2077                 old_ws->r = other_r;
2078         }
2079         this_r->ws_prior = old_ws;
2080         this_r->ws = new_ws;
2081         new_ws->r = this_r;
2082
2083         /* this is needed so that we can click on a window after a restart */
2084         unfocus_all();
2085
2086         stack();
2087         a.id = SWM_ARG_ID_FOCUSCUR;
2088         focus(new_ws->r, &a);
2089
2090         bar_update();
2091
2092         /* unmap old windows */
2093         if (unmap_old)
2094                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2095                         unmap_window(win);
2096
2097         if (focus_mode == SWM_FOCUS_DEFAULT)
2098                 drain_enter_notify();
2099 }
2100
2101 void
2102 cyclews(struct swm_region *r, union arg *args)
2103 {
2104         union                   arg a;
2105         struct swm_screen       *s = r->s;
2106
2107         DNPRINTF(SWM_D_WS, "cyclews id %d "
2108             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2109             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2110
2111         a.id = r->ws->idx;
2112         do {
2113                 switch (args->id) {
2114                 case SWM_ARG_ID_CYCLEWS_UP:
2115                         if (a.id < SWM_WS_MAX - 1)
2116                                 a.id++;
2117                         else
2118                                 a.id = 0;
2119                         break;
2120                 case SWM_ARG_ID_CYCLEWS_DOWN:
2121                         if (a.id > 0)
2122                                 a.id--;
2123                         else
2124                                 a.id = SWM_WS_MAX - 1;
2125                         break;
2126                 default:
2127                         return;
2128                 };
2129
2130                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2131                         continue;
2132                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2133                         continue;
2134
2135                 switchws(r, &a);
2136         } while (a.id != r->ws->idx);
2137 }
2138
2139 void
2140 priorws(struct swm_region *r, union arg *args)
2141 {
2142         union arg               a;
2143
2144         DNPRINTF(SWM_D_WS, "priorws id %d "
2145             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2146             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2147
2148         if (r->ws_prior == NULL)
2149                 return;
2150
2151         a.id = r->ws_prior->idx;
2152         switchws(r, &a);
2153 }
2154
2155 void
2156 cyclescr(struct swm_region *r, union arg *args)
2157 {
2158         struct swm_region       *rr = NULL;
2159         union arg               a;
2160         int                     i, x, y;
2161
2162         /* do nothing if we don't have more than one screen */
2163         if (!(ScreenCount(display) > 1 || outputs > 1))
2164                 return;
2165
2166         i = r->s->idx;
2167         switch (args->id) {
2168         case SWM_ARG_ID_CYCLESC_UP:
2169                 rr = TAILQ_NEXT(r, entry);
2170                 if (rr == NULL)
2171                         rr = TAILQ_FIRST(&screens[i].rl);
2172                 break;
2173         case SWM_ARG_ID_CYCLESC_DOWN:
2174                 rr = TAILQ_PREV(r, swm_region_list, entry);
2175                 if (rr == NULL)
2176                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2177                 break;
2178         default:
2179                 return;
2180         };
2181         if (rr == NULL)
2182                 return;
2183
2184         /* move mouse to region */
2185         x = rr->g.x + 1;
2186         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2187         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2188
2189         a.id = SWM_ARG_ID_FOCUSCUR;
2190         focus(rr, &a);
2191
2192         if (rr->ws->focus) {
2193                 /* move to focus window */
2194                 x = rr->ws->focus->g.x + 1;
2195                 y = rr->ws->focus->g.y + 1;
2196                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2197         }
2198 }
2199
2200 void
2201 sort_windows(struct ws_win_list *wl)
2202 {
2203         struct ws_win           *win, *parent, *nxt;
2204
2205         if (wl == NULL)
2206                 return;
2207
2208         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2209                 nxt = TAILQ_NEXT(win, entry);
2210                 if (win->transient) {
2211                         parent = find_window(win->transient);
2212                         if (parent == NULL) {
2213                                 fprintf(stderr, "not possible bug\n");
2214                                 continue;
2215                         }
2216                         TAILQ_REMOVE(wl, win, entry);
2217                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2218                 }
2219         }
2220
2221 }
2222
2223 void
2224 swapwin(struct swm_region *r, union arg *args)
2225 {
2226         struct ws_win           *target, *source;
2227         struct ws_win           *cur_focus;
2228         struct ws_win_list      *wl;
2229
2230
2231         DNPRINTF(SWM_D_WS, "swapwin id %d "
2232             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2233             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2234
2235         cur_focus = r->ws->focus;
2236         if (cur_focus == NULL)
2237                 return;
2238
2239         source = cur_focus;
2240         wl = &source->ws->winlist;
2241
2242         switch (args->id) {
2243         case SWM_ARG_ID_SWAPPREV:
2244                 if (source->transient)
2245                         source = find_window(source->transient);
2246                 target = TAILQ_PREV(source, ws_win_list, entry);
2247                 if (target && target->transient)
2248                         target = find_window(target->transient);
2249                 TAILQ_REMOVE(wl, source, entry);
2250                 if (target == NULL)
2251                         TAILQ_INSERT_TAIL(wl, source, entry);
2252                 else
2253                         TAILQ_INSERT_BEFORE(target, source, entry);
2254                 break;
2255         case SWM_ARG_ID_SWAPNEXT:
2256                 target = TAILQ_NEXT(source, entry);
2257                 /* move the parent and let the sort handle the move */
2258                 if (source->transient)
2259                         source = find_window(source->transient);
2260                 TAILQ_REMOVE(wl, source, entry);
2261                 if (target == NULL)
2262                         TAILQ_INSERT_HEAD(wl, source, entry);
2263                 else
2264                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2265                 break;
2266         case SWM_ARG_ID_SWAPMAIN:
2267                 target = TAILQ_FIRST(wl);
2268                 if (target == source) {
2269                         if (source->ws->focus_prev != NULL &&
2270                             source->ws->focus_prev != target)
2271
2272                                 source = source->ws->focus_prev;
2273                         else
2274                                 return;
2275                 }
2276                 if (target == NULL || source == NULL)
2277                         return;
2278                 source->ws->focus_prev = target;
2279                 TAILQ_REMOVE(wl, target, entry);
2280                 TAILQ_INSERT_BEFORE(source, target, entry);
2281                 TAILQ_REMOVE(wl, source, entry);
2282                 TAILQ_INSERT_HEAD(wl, source, entry);
2283                 break;
2284         case SWM_ARG_ID_MOVELAST:
2285                 TAILQ_REMOVE(wl, source, entry);
2286                 TAILQ_INSERT_TAIL(wl, source, entry);
2287                 break;
2288         default:
2289                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2290                 return;
2291         }
2292
2293         sort_windows(wl);
2294
2295         stack();
2296 }
2297
2298 void
2299 focus_prev(struct ws_win *win)
2300 {
2301         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2302         struct ws_win           *cur_focus = NULL;
2303         struct ws_win_list      *wl = NULL;
2304         struct workspace        *ws = NULL;
2305
2306         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2307
2308         if (!(win && win->ws))
2309                 return;
2310
2311         ws = win->ws;
2312         wl = &ws->winlist;
2313         cur_focus = ws->focus;
2314         winlostfocus = cur_focus;
2315
2316         /* pickle, just focus on whatever */
2317         if (cur_focus == NULL) {
2318                 /* use prev_focus if valid */
2319                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2320                     find_window(WINID(ws->focus_prev)))
2321                         winfocus = ws->focus_prev;
2322                 if (winfocus == NULL)
2323                         winfocus = TAILQ_FIRST(wl);
2324                 goto done;
2325         }
2326
2327         /* if transient focus on parent */
2328         if (cur_focus->transient) {
2329                 winfocus = find_window(cur_focus->transient);
2330                 goto done;
2331         }
2332
2333         /* if in max_stack try harder */
2334         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2335             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2336                 if (cur_focus != ws->focus_prev)
2337                         winfocus = ws->focus_prev;
2338                 else if (cur_focus != ws->focus)
2339                         winfocus = ws->focus;
2340                 else
2341                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2342                 if (winfocus)
2343                         goto done;
2344         }
2345
2346         if (cur_focus == win)
2347                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2348         if (winfocus == NULL)
2349                 winfocus = TAILQ_LAST(wl, ws_win_list);
2350         if (winfocus == NULL || winfocus == win)
2351                 winfocus = TAILQ_NEXT(cur_focus, entry);
2352 done:
2353         if (winfocus == winlostfocus || winfocus == NULL)
2354                 return;
2355
2356         focus_magic(winfocus);
2357 }
2358
2359 void
2360 focus(struct swm_region *r, union arg *args)
2361 {
2362         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2363         struct ws_win           *cur_focus = NULL;
2364         struct ws_win_list      *wl = NULL;
2365         struct workspace        *ws = NULL;
2366
2367         if (!(r && r->ws))
2368                 return;
2369
2370         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2371
2372         /* treat FOCUS_CUR special */
2373         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2374                 if (r->ws->focus && r->ws->focus->iconic == 0)
2375                         winfocus = r->ws->focus;
2376                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2377                         winfocus = r->ws->focus_prev;
2378                 else
2379                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2380                                 if (winfocus->iconic == 0)
2381                                         break;
2382
2383                 focus_magic(winfocus);
2384                 return;
2385         }
2386
2387         if ((cur_focus = r->ws->focus) == NULL)
2388                 return;
2389         ws = r->ws;
2390         wl = &ws->winlist;
2391
2392         winlostfocus = cur_focus;
2393
2394         switch (args->id) {
2395         case SWM_ARG_ID_FOCUSPREV:
2396                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2397                 if (head == NULL)
2398                         head = TAILQ_LAST(wl, ws_win_list);
2399                 winfocus = head;
2400                 if (WINID(winfocus) == cur_focus->transient) {
2401                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2402                         if (head == NULL)
2403                                 head = TAILQ_LAST(wl, ws_win_list);
2404                         winfocus = head;
2405                 }
2406
2407                 /* skip iconics */
2408                 if (winfocus && winfocus->iconic) {
2409                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2410                                 if (winfocus->iconic == 0)
2411                                         break;
2412                 }
2413                 break;
2414
2415         case SWM_ARG_ID_FOCUSNEXT:
2416                 head = TAILQ_NEXT(cur_focus, entry);
2417                 if (head == NULL)
2418                         head = TAILQ_FIRST(wl);
2419                 winfocus = head;
2420
2421                 /* skip iconics */
2422                 if (winfocus && winfocus->iconic) {
2423                         TAILQ_FOREACH(winfocus, wl, entry)
2424                                 if (winfocus->iconic == 0)
2425                                         break;
2426                 }
2427                 break;
2428
2429         case SWM_ARG_ID_FOCUSMAIN:
2430                 winfocus = TAILQ_FIRST(wl);
2431                 if (winfocus == cur_focus)
2432                         winfocus = cur_focus->ws->focus_prev;
2433                 break;
2434
2435         default:
2436                 return;
2437         }
2438         if (winfocus == winlostfocus || winfocus == NULL)
2439                 return;
2440
2441         focus_magic(winfocus);
2442 }
2443
2444 void
2445 cycle_layout(struct swm_region *r, union arg *args)
2446 {
2447         struct workspace        *ws = r->ws;
2448         struct ws_win           *winfocus;
2449         union arg               a;
2450
2451         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2452
2453         winfocus = ws->focus;
2454
2455         ws->cur_layout++;
2456         if (ws->cur_layout->l_stack == NULL)
2457                 ws->cur_layout = &layouts[0];
2458
2459         stack();
2460         if (focus_mode == SWM_FOCUS_DEFAULT)
2461                 drain_enter_notify();
2462         a.id = SWM_ARG_ID_FOCUSCUR;
2463         focus(r, &a);
2464         bar_update();
2465 }
2466
2467 void
2468 stack_config(struct swm_region *r, union arg *args)
2469 {
2470         struct workspace        *ws = r->ws;
2471
2472         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2473             args->id, ws->idx);
2474
2475         if (ws->cur_layout->l_config != NULL)
2476                 ws->cur_layout->l_config(ws, args->id);
2477
2478         if (args->id != SWM_ARG_ID_STACKINIT)
2479                 stack();
2480         bar_update();
2481 }
2482
2483 void
2484 stack(void) {
2485         struct swm_geometry     g;
2486         struct swm_region       *r;
2487         int                     i, j;
2488
2489         DNPRINTF(SWM_D_STACK, "stack\n");
2490
2491         for (i = 0; i < ScreenCount(display); i++) {
2492                 j = 0;
2493                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2494                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2495                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2496
2497                         /* start with screen geometry, adjust for bar */
2498                         g = r->g;
2499                         g.w -= 2 * border_width;
2500                         g.h -= 2 * border_width;
2501                         if (bar_enabled) {
2502                                 if (!bar_at_bottom)
2503                                         g.y += bar_height;
2504                                 g.h -= bar_height;
2505                         }
2506                         r->ws->cur_layout->l_stack(r->ws, &g);
2507                         r->ws->cur_layout->l_string(r->ws);
2508                         /* save r so we can track region changes */
2509                         r->ws->old_r = r;
2510                 }
2511         }
2512         if (font_adjusted)
2513                 font_adjusted--;
2514
2515         if (focus_mode == SWM_FOCUS_DEFAULT)
2516                 drain_enter_notify();
2517 }
2518
2519 void
2520 store_float_geom(struct ws_win *win, struct swm_region *r)
2521 {
2522         /* retain window geom and region geom */
2523         win->g_float.x = win->g.x;
2524         win->g_float.y = win->g.y;
2525         win->g_float.w = win->g.w;
2526         win->g_float.h = win->g.h;
2527         win->rg_float.x = r->g.x;
2528         win->rg_float.y = r->g.y;
2529         win->rg_float.w = r->g.w;
2530         win->rg_float.h = r->g.h;
2531         win->g_floatvalid = 1;
2532 }
2533
2534 void
2535 stack_floater(struct ws_win *win, struct swm_region *r)
2536 {
2537         unsigned int            mask;
2538         XWindowChanges          wc;
2539
2540         if (win == NULL)
2541                 return;
2542
2543         bzero(&wc, sizeof wc);
2544         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2545
2546         /*
2547          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2548          * geom on ws switches or return from max mode
2549          */
2550
2551         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2552             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2553                 /*
2554                  * use stored g and rg to set relative position and size
2555                  * as in old region or before max stack mode
2556                  */
2557                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2558                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2559                 win->g.w = win->g_float.w;
2560                 win->g.h = win->g_float.h;
2561                 win->g_floatvalid = 0;
2562         }
2563
2564         win->floatmaxed = 0;
2565
2566         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2567             (win->g.h >= HEIGHT(r)))
2568                 wc.border_width = 0;
2569         else
2570                 wc.border_width = border_width;
2571         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2572                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2573                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2574         }
2575
2576         if (!win->manual) {
2577                 /*
2578                  * floaters and transients are auto-centred unless moved
2579                  * or resized
2580                  */
2581                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2582                     2 - wc.border_width;
2583                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2584                     2 - wc.border_width;
2585         }
2586
2587         /* win can be outside r if new r smaller than old r */
2588         /* Ensure top left corner inside r (move probs otherwise) */
2589         if (win->g.x < r->g.x - wc.border_width)
2590                 win->g.x = r->g.x - wc.border_width;
2591         if (win->g.x > r->g.x + r->g.w - 1)
2592                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2593                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2594         if (win->g.y < r->g.y - wc.border_width)
2595                 win->g.y = r->g.y - wc.border_width;
2596         if (win->g.y > r->g.y + r->g.h - 1)
2597                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2598                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2599
2600         wc.x = win->g.x;
2601         wc.y = win->g.y;
2602         wc.width = win->g.w;
2603         wc.height = win->g.h;
2604
2605         /*
2606          * Retain floater and transient geometry for correct positioning
2607          * when ws changes region
2608          */
2609         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2610                 store_float_geom(win, r);
2611
2612         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2613             win->id, wc.x, wc.y, wc.width, wc.height);
2614
2615         XConfigureWindow(display, win->id, mask, &wc);
2616 }
2617
2618 /*
2619  * Send keystrokes to terminal to decrease/increase the font size as the
2620  * window size changes.
2621  */
2622 void
2623 adjust_font(struct ws_win *win)
2624 {
2625         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2626             win->floating || win->transient)
2627                 return;
2628
2629         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2630             win->g.w / win->sh.width_inc < term_width &&
2631             win->font_steps < SWM_MAX_FONT_STEPS) {
2632                 win->font_size_boundary[win->font_steps] =
2633                     (win->sh.width_inc * term_width) + win->sh.base_width;
2634                 win->font_steps++;
2635                 font_adjusted++;
2636                 win->last_inc = win->sh.width_inc;
2637                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2638         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2639             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2640                 win->font_steps--;
2641                 font_adjusted++;
2642                 win->last_inc = win->sh.width_inc;
2643                 fake_keypress(win, XK_KP_Add, ShiftMask);
2644         }
2645 }
2646
2647 #define SWAPXY(g)       do {                            \
2648         int tmp;                                        \
2649         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2650         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2651 } while (0)
2652 void
2653 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2654 {
2655         XWindowChanges          wc;
2656         XWindowAttributes       wa;
2657         struct swm_geometry     win_g, r_g = *g;
2658         struct ws_win           *win, *fs_win = 0;
2659         int                     i, j, s, stacks;
2660         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2661         int                     hrh, extra = 0, h_slice, last_h = 0;
2662         int                     split, colno, winno, mwin, msize, mscale;
2663         int                     remain, missing, v_slice, reconfigure;
2664         unsigned int            mask;
2665
2666         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2667             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2668
2669         winno = count_win(ws, 0);
2670         if (winno == 0 && count_win(ws, 1) == 0)
2671                 return;
2672
2673         TAILQ_FOREACH(win, &ws->winlist, entry)
2674                 if (win->transient == 0 && win->floating == 0
2675                     && win->iconic == 0)
2676                         break;
2677
2678         if (win == NULL)
2679                 goto notiles;
2680
2681         if (rot) {
2682                 w_inc = win->sh.width_inc;
2683                 w_base = win->sh.base_width;
2684                 mwin = ws->l_state.horizontal_mwin;
2685                 mscale = ws->l_state.horizontal_msize;
2686                 stacks = ws->l_state.horizontal_stacks;
2687                 SWAPXY(&r_g);
2688         } else {
2689                 w_inc = win->sh.height_inc;
2690                 w_base = win->sh.base_height;
2691                 mwin = ws->l_state.vertical_mwin;
2692                 mscale = ws->l_state.vertical_msize;
2693                 stacks = ws->l_state.vertical_stacks;
2694         }
2695         win_g = r_g;
2696
2697         if (stacks > winno - mwin)
2698                 stacks = winno - mwin;
2699         if (stacks < 1)
2700                 stacks = 1;
2701
2702         h_slice = r_g.h / SWM_H_SLICE;
2703         if (mwin && winno > mwin) {
2704                 v_slice = r_g.w / SWM_V_SLICE;
2705
2706                 split = mwin;
2707                 colno = split;
2708                 win_g.w = v_slice * mscale;
2709
2710                 if (w_inc > 1 && w_inc < v_slice) {
2711                         /* adjust for window's requested size increment */
2712                         remain = (win_g.w - w_base) % w_inc;
2713                         missing = w_inc - remain;
2714                         win_g.w -= remain;
2715                         extra += remain;
2716                 }
2717
2718                 msize = win_g.w;
2719                 if (flip)
2720                         win_g.x += r_g.w - msize;
2721         } else {
2722                 msize = -2;
2723                 colno = split = winno / stacks;
2724                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2725                     2 * border_width) / stacks);
2726         }
2727         hrh = r_g.h / colno;
2728         extra = r_g.h - (colno * hrh);
2729         win_g.h = hrh - 2 * border_width;
2730
2731         /*  stack all the tiled windows */
2732         i = j = 0, s = stacks;
2733         TAILQ_FOREACH(win, &ws->winlist, entry) {
2734                 if (win->transient != 0 || win->floating != 0)
2735                         continue;
2736                 if (win->iconic != 0)
2737                         continue;
2738
2739                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2740                         fs_win = win;
2741                         continue;
2742                 }
2743
2744                 if (split && i == split) {
2745                         colno = (winno - mwin) / stacks;
2746                         if (s <= (winno - mwin) % stacks)
2747                                 colno++;
2748                         split = split + colno;
2749                         hrh = (r_g.h / colno);
2750                         extra = r_g.h - (colno * hrh);
2751                         if (flip)
2752                                 win_g.x = r_g.x;
2753                         else
2754                                 win_g.x += win_g.w + 2 * border_width;
2755                         win_g.w = (r_g.w - msize -
2756                             (stacks * 2 * border_width)) / stacks;
2757                         if (s == 1)
2758                                 win_g.w += (r_g.w - msize -
2759                                     (stacks * 2 * border_width)) % stacks;
2760                         s--;
2761                         j = 0;
2762                 }
2763                 win_g.h = hrh - 2 * border_width;
2764                 if (rot) {
2765                         h_inc = win->sh.width_inc;
2766                         h_base = win->sh.base_width;
2767                 } else {
2768                         h_inc = win->sh.height_inc;
2769                         h_base = win->sh.base_height;
2770                 }
2771                 if (j == colno - 1) {
2772                         win_g.h = hrh + extra;
2773                 } else if (h_inc > 1 && h_inc < h_slice) {
2774                         /* adjust for window's requested size increment */
2775                         remain = (win_g.h - h_base) % h_inc;
2776                         missing = h_inc - remain;
2777
2778                         if (missing <= extra || j == 0) {
2779                                 extra -= missing;
2780                                 win_g.h += missing;
2781                         } else {
2782                                 win_g.h -= remain;
2783                                 extra += remain;
2784                         }
2785                 }
2786
2787                 if (j == 0)
2788                         win_g.y = r_g.y;
2789                 else
2790                         win_g.y += last_h + 2 * border_width;
2791
2792                 bzero(&wc, sizeof wc);
2793                 if (disable_border && bar_enabled == 0 && winno == 1){
2794                         wc.border_width = 0;
2795                         win_g.w += 2 * border_width;
2796                         win_g.h += 2 * border_width;
2797                 } else
2798                         wc.border_width = border_width;
2799                 reconfigure = 0;
2800                 if (rot) {
2801                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2802                             win->g.w != win_g.h || win->g.h != win_g.w) {
2803                                 reconfigure = 1;
2804                                 win->g.x = wc.x = win_g.y;
2805                                 win->g.y = wc.y = win_g.x;
2806                                 win->g.w = wc.width = win_g.h;
2807                                 win->g.h = wc.height = win_g.w;
2808                         }
2809                 } else {
2810                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2811                             win->g.w != win_g.w || win->g.h != win_g.h) {
2812                                 reconfigure = 1;
2813                                 win->g.x = wc.x = win_g.x;
2814                                 win->g.y = wc.y = win_g.y;
2815                                 win->g.w = wc.width = win_g.w;
2816                                 win->g.h = wc.height = win_g.h;
2817                         }
2818                 }
2819                 if (reconfigure) {
2820                         adjust_font(win);
2821                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2822                         XConfigureWindow(display, win->id, mask, &wc);
2823                 }
2824
2825                 if (XGetWindowAttributes(display, win->id, &wa))
2826                         if (wa.map_state == IsUnmapped)
2827                                 XMapRaised(display, win->id);
2828
2829                 last_h = win_g.h;
2830                 i++;
2831                 j++;
2832         }
2833
2834 notiles:
2835         /* now, stack all the floaters and transients */
2836         TAILQ_FOREACH(win, &ws->winlist, entry) {
2837                 if (win->transient == 0 && win->floating == 0)
2838                         continue;
2839                 if (win->iconic == 1)
2840                         continue;
2841                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2842                         fs_win = win;
2843                         continue;
2844                 }
2845
2846                 stack_floater(win, ws->r);
2847                 XMapRaised(display, win->id);
2848         }
2849
2850         if (fs_win) {
2851                 stack_floater(fs_win, ws->r);
2852                 XMapRaised(display, fs_win->id);
2853         }
2854 }
2855
2856 void
2857 vertical_config(struct workspace *ws, int id)
2858 {
2859         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2860
2861         switch (id) {
2862         case SWM_ARG_ID_STACKRESET:
2863         case SWM_ARG_ID_STACKINIT:
2864                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2865                 ws->l_state.vertical_mwin = 1;
2866                 ws->l_state.vertical_stacks = 1;
2867                 break;
2868         case SWM_ARG_ID_MASTERSHRINK:
2869                 if (ws->l_state.vertical_msize > 1)
2870                         ws->l_state.vertical_msize--;
2871                 break;
2872         case SWM_ARG_ID_MASTERGROW:
2873                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2874                         ws->l_state.vertical_msize++;
2875                 break;
2876         case SWM_ARG_ID_MASTERADD:
2877                 ws->l_state.vertical_mwin++;
2878                 break;
2879         case SWM_ARG_ID_MASTERDEL:
2880                 if (ws->l_state.vertical_mwin > 0)
2881                         ws->l_state.vertical_mwin--;
2882                 break;
2883         case SWM_ARG_ID_STACKINC:
2884                 ws->l_state.vertical_stacks++;
2885                 break;
2886         case SWM_ARG_ID_STACKDEC:
2887                 if (ws->l_state.vertical_stacks > 1)
2888                         ws->l_state.vertical_stacks--;
2889                 break;
2890         default:
2891                 return;
2892         }
2893 }
2894
2895 void
2896 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2897 {
2898         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2899
2900         stack_master(ws, g, 0, 0);
2901 }
2902
2903 void
2904 horizontal_config(struct workspace *ws, int id)
2905 {
2906         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2907
2908         switch (id) {
2909         case SWM_ARG_ID_STACKRESET:
2910         case SWM_ARG_ID_STACKINIT:
2911                 ws->l_state.horizontal_mwin = 1;
2912                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2913                 ws->l_state.horizontal_stacks = 1;
2914                 break;
2915         case SWM_ARG_ID_MASTERSHRINK:
2916                 if (ws->l_state.horizontal_msize > 1)
2917                         ws->l_state.horizontal_msize--;
2918                 break;
2919         case SWM_ARG_ID_MASTERGROW:
2920                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2921                         ws->l_state.horizontal_msize++;
2922                 break;
2923         case SWM_ARG_ID_MASTERADD:
2924                 ws->l_state.horizontal_mwin++;
2925                 break;
2926         case SWM_ARG_ID_MASTERDEL:
2927                 if (ws->l_state.horizontal_mwin > 0)
2928                         ws->l_state.horizontal_mwin--;
2929                 break;
2930         case SWM_ARG_ID_STACKINC:
2931                 ws->l_state.horizontal_stacks++;
2932                 break;
2933         case SWM_ARG_ID_STACKDEC:
2934                 if (ws->l_state.horizontal_stacks > 1)
2935                         ws->l_state.horizontal_stacks--;
2936                 break;
2937         default:
2938                 return;
2939         }
2940 }
2941
2942 void
2943 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2944 {
2945         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2946
2947         stack_master(ws, g, 1, 0);
2948 }
2949
2950 /* fullscreen view */
2951 void
2952 max_stack(struct workspace *ws, struct swm_geometry *g)
2953 {
2954         XWindowChanges          wc;
2955         struct swm_geometry     gg = *g;
2956         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2957         unsigned int            mask;
2958         int                     winno;
2959
2960         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2961
2962         if (ws == NULL)
2963                 return;
2964
2965         winno = count_win(ws, 0);
2966         if (winno == 0 && count_win(ws, 1) == 0)
2967                 return;
2968
2969         TAILQ_FOREACH(win, &ws->winlist, entry) {
2970                 if (win->transient) {
2971                         wintrans = win;
2972                         parent = find_window(win->transient);
2973                         continue;
2974                 }
2975
2976                 if (win->floating && win->floatmaxed == 0 ) {
2977                         /*
2978                          * retain geometry for retrieval on exit from
2979                          * max_stack mode
2980                          */
2981                         store_float_geom(win, ws->r);
2982                         win->floatmaxed = 1;
2983                 }
2984
2985                 /* only reconfigure if necessary */
2986                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2987                     win->g.h != gg.h) {
2988                         bzero(&wc, sizeof wc);
2989                         win->g.x = wc.x = gg.x;
2990                         win->g.y = wc.y = gg.y;
2991                         if (bar_enabled){
2992                                 wc.border_width = border_width;
2993                                 win->g.w = wc.width = gg.w;
2994                                 win->g.h = wc.height = gg.h;
2995                         } else {
2996                                 wc.border_width = 0;
2997                                 win->g.w = wc.width = gg.w + 2 * border_width;
2998                                 win->g.h = wc.height = gg.h + 2 * border_width;
2999                         }
3000                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3001                         XConfigureWindow(display, win->id, mask, &wc);
3002                 }
3003                 /* unmap only if we don't have multi screen */
3004                 if (win != ws->focus)
3005                         if (!(ScreenCount(display) > 1 || outputs > 1))
3006                                 unmap_window(win);
3007         }
3008
3009         /* put the last transient on top */
3010         if (wintrans) {
3011                 if (parent)
3012                         XMapRaised(display, parent->id);
3013                 stack_floater(wintrans, ws->r);
3014                 focus_magic(wintrans);
3015         }
3016 }
3017
3018 void
3019 send_to_ws(struct swm_region *r, union arg *args)
3020 {
3021         int                     wsid = args->id;
3022         struct ws_win           *win = NULL, *parent;
3023         struct workspace        *ws, *nws;
3024         Atom                    ws_idx_atom = 0;
3025         unsigned char           ws_idx_str[SWM_PROPLEN];
3026         union arg               a;
3027
3028         if (r && r->ws)
3029                 win = r->ws->focus;
3030         else
3031                 return;
3032         if (win == NULL)
3033                 return;
3034         if (win->ws->idx == wsid)
3035                 return;
3036
3037         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3038
3039         ws = win->ws;
3040         nws = &win->s->ws[wsid];
3041
3042         a.id = SWM_ARG_ID_FOCUSPREV;
3043         focus(r, &a);
3044         if (win->transient) {
3045                 parent = find_window(win->transient);
3046                 if (parent) {
3047                         unmap_window(parent);
3048                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3049                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3050                         parent->ws = nws;
3051                 }
3052         }
3053         unmap_window(win);
3054         TAILQ_REMOVE(&ws->winlist, win, entry);
3055         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3056         win->ws = nws;
3057
3058         /* Try to update the window's workspace property */
3059         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3060         if (ws_idx_atom &&
3061             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3062                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3063                     ws_idx_str);
3064                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3065                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3066         }
3067
3068         stack();
3069 }
3070
3071 void
3072 pressbutton(struct swm_region *r, union arg *args)
3073 {
3074         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3075         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3076 }
3077
3078 void
3079 raise_toggle(struct swm_region *r, union arg *args)
3080 {
3081         if (r && r->ws == NULL)
3082                 return;
3083
3084         r->ws->always_raise = !r->ws->always_raise;
3085
3086         /* bring floaters back to top */
3087         if (r->ws->always_raise == 0)
3088                 stack();
3089 }
3090
3091 void
3092 iconify(struct swm_region *r, union arg *args)
3093 {
3094         union arg a;
3095
3096         if (r->ws->focus == NULL)
3097                 return;
3098         unmap_window(r->ws->focus);
3099         update_iconic(r->ws->focus, 1);
3100         stack();
3101         if (focus_mode == SWM_FOCUS_DEFAULT)
3102                 drain_enter_notify();
3103         r->ws->focus = NULL;
3104         a.id = SWM_ARG_ID_FOCUSCUR;
3105         focus(r, &a);
3106 }
3107
3108 unsigned char *
3109 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3110     unsigned long *slen)
3111 {
3112         int                     status, retfmt;
3113         unsigned long           nitems, nbytes, nextra;
3114         unsigned char           *prop = NULL;
3115         Atom                    rettype;
3116
3117         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3118             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3119         if (status != Success)
3120                 return (NULL);
3121         XFree(prop);
3122
3123         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3124             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3125         if (status != Success) {
3126                 XFree(prop);
3127                 return (NULL);
3128         }
3129         if (rettype != stype) {
3130                 XFree(prop);
3131                 return (NULL);
3132         }
3133         *slen = nitems;
3134         return (prop);
3135 }
3136
3137 void
3138 uniconify(struct swm_region *r, union arg *args)
3139 {
3140         struct ws_win           *win;
3141         FILE                    *lfile;
3142         char                    *name;
3143         int                     count = 0;
3144         unsigned long           len;
3145
3146         DNPRINTF(SWM_D_MISC, "uniconify\n");
3147
3148         if (r && r->ws == NULL)
3149                 return;
3150
3151         /* make sure we have anything to uniconify */
3152         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3153                 if (win->ws == NULL)
3154                         continue; /* should never happen */
3155                 if (win->iconic == 0)
3156                         continue;
3157                 count++;
3158         }
3159         if (count == 0)
3160                 return;
3161
3162         search_r = r;
3163
3164         spawn_select(r, args, "uniconify", &searchpid);
3165
3166         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3167                 return;
3168
3169         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3170                 if (win->ws == NULL)
3171                         continue; /* should never happen */
3172                 if (win->iconic == 0)
3173                         continue;
3174
3175                 name = get_win_name(display, win->id, a_wmname, a_string,
3176                     &len);
3177                 if (name == NULL)
3178                         continue;
3179                 fprintf(lfile, "%s.%lu\n", name, win->id);
3180                 XFree(name);
3181         }
3182
3183         fclose(lfile);
3184 }
3185
3186 #define MAX_RESP_LEN    1024
3187
3188 void
3189 search_do_resp(void)
3190 {
3191         ssize_t                 rbytes;
3192         struct ws_win           *win;
3193         char                    *name, *resp, *s;
3194         unsigned long           len;
3195
3196         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3197
3198         search_resp = 0;
3199         searchpid = 0;
3200
3201         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3202                 fprintf(stderr, "search: calloc\n");
3203                 return;
3204         }
3205
3206         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3207         if (rbytes <= 0) {
3208                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3209                 goto done;
3210         }
3211         resp[rbytes] = '\0';
3212         len = strlen(resp);
3213
3214         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3215         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3216                 if (win->iconic == 0)
3217                         continue;
3218                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3219                 if (name == NULL)
3220                         continue;
3221                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3222                         XFree(name);
3223                         continue;
3224                 }
3225                 XFree(name);
3226                 if (strncmp(s, resp, len) == 0) {
3227                         /* XXX this should be a callback to generalize */
3228                         update_iconic(win, 0);
3229                         free(s);
3230                         break;
3231                 }
3232                 free(s);
3233         }
3234 done:
3235         free(resp);
3236 }
3237
3238 void
3239 wkill(struct swm_region *r, union arg *args)
3240 {
3241         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3242
3243         if (r->ws->focus == NULL)
3244                 return;
3245
3246         if (args->id == SWM_ARG_ID_KILLWINDOW)
3247                 XKillClient(display, r->ws->focus->id);
3248         else
3249                 if (r->ws->focus->can_delete)
3250                         client_msg(r->ws->focus, adelete);
3251 }
3252
3253
3254 int
3255 floating_toggle_win(struct ws_win *win)
3256 {
3257         struct swm_region       *r;
3258
3259         if (win == NULL)
3260                 return 0;
3261
3262         if (!win->ws->r)
3263                 return 0;
3264
3265         r = win->ws->r;
3266
3267         /* reject floating toggles in max stack mode */
3268         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3269                 return 0;
3270
3271         if (win->floating) {
3272                 if (!win->floatmaxed) {
3273                         /* retain position for refloat */
3274                         store_float_geom(win, r);
3275                 }
3276                 win->floating = 0;
3277         } else {
3278                 if (win->g_floatvalid) {
3279                         /* refloat at last floating relative position */
3280                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3281                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3282                         win->g.w = win->g_float.w;
3283                         win->g.h = win->g_float.h;
3284                 }
3285                 win->floating = 1;
3286         }
3287
3288         ewmh_update_actions(win);
3289
3290         return 1;
3291 }
3292
3293 void
3294 floating_toggle(struct swm_region *r, union arg *args)
3295 {
3296         struct ws_win           *win = r->ws->focus;
3297         union arg               a;
3298
3299         if (win == NULL)
3300                 return;
3301
3302         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3303             _NET_WM_STATE_TOGGLE);
3304
3305         stack();
3306         if (focus_mode == SWM_FOCUS_DEFAULT)
3307                 drain_enter_notify();
3308
3309         if (win == win->ws->focus) {
3310                 a.id = SWM_ARG_ID_FOCUSCUR;
3311                 focus(win->ws->r, &a);
3312         }
3313 }
3314
3315 void
3316 resize_window(struct ws_win *win, int center)
3317 {
3318         unsigned int            mask;
3319         XWindowChanges          wc;
3320         struct swm_region       *r;
3321
3322         r = root_to_region(win->wa.root);
3323         bzero(&wc, sizeof wc);
3324         mask = CWBorderWidth | CWWidth | CWHeight;
3325         wc.border_width = border_width;
3326         wc.width = win->g.w;
3327         wc.height = win->g.h;
3328         if (center == SWM_ARG_ID_CENTER) {
3329                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3330                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3331                 mask |= CWX | CWY;
3332         }
3333
3334         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3335             win->id, wc.x, wc.y, wc.width, wc.height);
3336
3337         XConfigureWindow(display, win->id, mask, &wc);
3338 }
3339
3340 void
3341 resize(struct ws_win *win, union arg *args)
3342 {
3343         XEvent                  ev;
3344         Time                    time = 0;
3345         struct swm_region       *r = win->ws->r;
3346         int                     relx, rely;
3347
3348
3349         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3350             win->id, win->floating, win->transient);
3351
3352         if (!(win->transient != 0 || win->floating != 0))
3353                 return;
3354
3355         /* reject resizes in max mode for floaters (transient ok) */
3356         if (win->floatmaxed)
3357                 return;
3358
3359         win->manual = 1;
3360         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3361             _NET_WM_STATE_ADD);
3362
3363         stack();
3364         if (focus_mode == SWM_FOCUS_DEFAULT)
3365                 drain_enter_notify();
3366
3367         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3368             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3369                 return;
3370
3371         /* place pointer at bottom left corner or nearest point inside r */
3372         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3373                 relx = win->g.w - 1;
3374         else
3375                 relx = r->g.x + r->g.w - win->g.x - 1;
3376
3377         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3378                 rely = win->g.h - 1;
3379         else
3380                 rely = r->g.y + r->g.h - win->g.y - 1;
3381
3382         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3383         do {
3384                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3385                     SubstructureRedirectMask, &ev);
3386                 switch (ev.type) {
3387                 case ConfigureRequest:
3388                 case Expose:
3389                 case MapRequest:
3390                         handler[ev.type](&ev);
3391                         break;
3392                 case MotionNotify:
3393                         /* do not allow resize outside of region */
3394                         if (    ev.xmotion.x_root < r->g.x ||
3395                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3396                                 ev.xmotion.y_root < r->g.y ||
3397                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3398                                 continue;
3399
3400                         if (ev.xmotion.x <= 1)
3401                                 ev.xmotion.x = 1;
3402                         if (ev.xmotion.y <= 1)
3403                                 ev.xmotion.y = 1;
3404                         win->g.w = ev.xmotion.x + 1;
3405                         win->g.h = ev.xmotion.y + 1;
3406
3407                         /* not free, don't sync more than 120 times / second */
3408                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3409                                 time = ev.xmotion.time;
3410                                 XSync(display, False);
3411                                 resize_window(win, args->id);
3412                         }
3413                         break;
3414                 }
3415         } while (ev.type != ButtonRelease);
3416         if (time) {
3417                 XSync(display, False);
3418                 resize_window(win, args->id);
3419         }
3420         store_float_geom(win,r);
3421
3422         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3423             win->g.h - 1);
3424         XUngrabPointer(display, CurrentTime);
3425
3426         /* drain events */
3427         drain_enter_notify();
3428 }
3429
3430 void
3431 move_window(struct ws_win *win)
3432 {
3433         unsigned int            mask;
3434         XWindowChanges          wc;
3435         struct swm_region       *r;
3436
3437         r = root_to_region(win->wa.root);
3438         bzero(&wc, sizeof wc);
3439         mask = CWX | CWY;
3440         wc.x = win->g.x;
3441         wc.y = win->g.y;
3442         wc.border_width = border_width;
3443
3444         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3445             win->id, wc.x, wc.y, wc.width, wc.height);
3446
3447         XConfigureWindow(display, win->id, mask, &wc);
3448 }
3449
3450 void
3451 move(struct ws_win *win, union arg *args)
3452 {
3453         XEvent                  ev;
3454         Time                    time = 0;
3455         struct swm_region       *r = win->ws->r;
3456
3457         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3458             win->id, win->floating, win->transient);
3459
3460         /* in max_stack mode should only move transients */
3461         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3462                 return;
3463
3464         win->manual = 1;
3465         if (win->floating == 0 && !win->transient) {
3466                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3467                     _NET_WM_STATE_ADD);
3468         }
3469         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3470             _NET_WM_STATE_ADD);
3471
3472         stack();
3473
3474         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3475             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3476                 return;
3477         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3478         do {
3479                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3480                     SubstructureRedirectMask, &ev);
3481                 switch (ev.type) {
3482                 case ConfigureRequest:
3483                 case Expose:
3484                 case MapRequest:
3485                         handler[ev.type](&ev);
3486                         break;
3487                 case MotionNotify:
3488                         /* don't allow to move window origin out of region */
3489                         if (    ev.xmotion.x_root < r->g.x ||
3490                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3491                                 ev.xmotion.y_root < r->g.y ||
3492                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3493                                 continue;
3494
3495                         win->g.x = ev.xmotion.x_root - border_width;
3496                         win->g.y = ev.xmotion.y_root - border_width;
3497
3498                         /* not free, don't sync more than 120 times / second */
3499                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3500                                 time = ev.xmotion.time;
3501                                 XSync(display, False);
3502                                 move_window(win);
3503                         }
3504                         break;
3505                 }
3506         } while (ev.type != ButtonRelease);
3507         if (time) {
3508                 XSync(display, False);
3509                 move_window(win);
3510         }
3511         store_float_geom(win,r);
3512         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3513         XUngrabPointer(display, CurrentTime);
3514
3515         /* drain events */
3516         drain_enter_notify();
3517 }
3518
3519 /* user/key callable function IDs */
3520 enum keyfuncid {
3521         kf_cycle_layout,
3522         kf_stack_reset,
3523         kf_master_shrink,
3524         kf_master_grow,
3525         kf_master_add,
3526         kf_master_del,
3527         kf_stack_inc,
3528         kf_stack_dec,
3529         kf_swap_main,
3530         kf_focus_next,
3531         kf_focus_prev,
3532         kf_swap_next,
3533         kf_swap_prev,
3534         kf_spawn_term,
3535         kf_spawn_menu,
3536         kf_quit,
3537         kf_restart,
3538         kf_focus_main,
3539         kf_ws_1,
3540         kf_ws_2,
3541         kf_ws_3,
3542         kf_ws_4,
3543         kf_ws_5,
3544         kf_ws_6,
3545         kf_ws_7,
3546         kf_ws_8,
3547         kf_ws_9,
3548         kf_ws_10,
3549         kf_ws_next,
3550         kf_ws_prev,
3551         kf_ws_prior,
3552         kf_screen_next,
3553         kf_screen_prev,
3554         kf_mvws_1,
3555         kf_mvws_2,
3556         kf_mvws_3,
3557         kf_mvws_4,
3558         kf_mvws_5,
3559         kf_mvws_6,
3560         kf_mvws_7,
3561         kf_mvws_8,
3562         kf_mvws_9,
3563         kf_mvws_10,
3564         kf_bar_toggle,
3565         kf_wind_kill,
3566         kf_wind_del,
3567         kf_screenshot_all,
3568         kf_screenshot_wind,
3569         kf_float_toggle,
3570         kf_version,
3571         kf_spawn_lock,
3572         kf_spawn_initscr,
3573         kf_spawn_custom,
3574         kf_iconify,
3575         kf_uniconify,
3576         kf_raise_toggle,
3577         kf_button2,
3578         kf_dumpwins, /* MUST BE LAST */
3579         kf_invalid
3580 };
3581
3582 /* key definitions */
3583 void
3584 dummykeyfunc(struct swm_region *r, union arg *args)
3585 {
3586 };
3587
3588 void
3589 legacyfunc(struct swm_region *r, union arg *args)
3590 {
3591 };
3592
3593 struct keyfunc {
3594         char                    name[SWM_FUNCNAME_LEN];
3595         void                    (*func)(struct swm_region *r, union arg *);
3596         union arg               args;
3597 } keyfuncs[kf_invalid + 1] = {
3598         /* name                 function        argument */
3599         { "cycle_layout",       cycle_layout,   {0} },
3600         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3601         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3602         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3603         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3604         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3605         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3606         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3607         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3608         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3609         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3610         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3611         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3612         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3613         { "spawn_menu",         legacyfunc,     {0} },
3614         { "quit",               quit,           {0} },
3615         { "restart",            restart,        {0} },
3616         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3617         { "ws_1",               switchws,       {.id = 0} },
3618         { "ws_2",               switchws,       {.id = 1} },
3619         { "ws_3",               switchws,       {.id = 2} },
3620         { "ws_4",               switchws,       {.id = 3} },
3621         { "ws_5",               switchws,       {.id = 4} },
3622         { "ws_6",               switchws,       {.id = 5} },
3623         { "ws_7",               switchws,       {.id = 6} },
3624         { "ws_8",               switchws,       {.id = 7} },
3625         { "ws_9",               switchws,       {.id = 8} },
3626         { "ws_10",              switchws,       {.id = 9} },
3627         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3628         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3629         { "ws_prior",           priorws,        {0} },
3630         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3631         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3632         { "mvws_1",             send_to_ws,     {.id = 0} },
3633         { "mvws_2",             send_to_ws,     {.id = 1} },
3634         { "mvws_3",             send_to_ws,     {.id = 2} },
3635         { "mvws_4",             send_to_ws,     {.id = 3} },
3636         { "mvws_5",             send_to_ws,     {.id = 4} },
3637         { "mvws_6",             send_to_ws,     {.id = 5} },
3638         { "mvws_7",             send_to_ws,     {.id = 6} },
3639         { "mvws_8",             send_to_ws,     {.id = 7} },
3640         { "mvws_9",             send_to_ws,     {.id = 8} },
3641         { "mvws_10",            send_to_ws,     {.id = 9} },
3642         { "bar_toggle",         bar_toggle,     {0} },
3643         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3644         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3645         { "screenshot_all",     legacyfunc,     {0} },
3646         { "screenshot_wind",    legacyfunc,     {0} },
3647         { "float_toggle",       floating_toggle,{0} },
3648         { "version",            version,        {0} },
3649         { "spawn_lock",         legacyfunc,     {0} },
3650         { "spawn_initscr",      legacyfunc,     {0} },
3651         { "spawn_custom",       dummykeyfunc,   {0} },
3652         { "iconify",            iconify,        {0} },
3653         { "uniconify",          uniconify,      {0} },
3654         { "raise_toggle",       raise_toggle,   {0} },
3655         { "button2",            pressbutton,    {2} },
3656         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3657         { "invalid key func",   NULL,           {0} },
3658 };
3659 struct key {
3660         unsigned int            mod;
3661         KeySym                  keysym;
3662         enum keyfuncid          funcid;
3663         char                    *spawn_name;
3664 };
3665 int                             keys_size = 0, keys_length = 0;
3666 struct key                      *keys = NULL;
3667
3668 /* mouse */
3669 enum { client_click, root_click };
3670 struct button {
3671         unsigned int            action;
3672         unsigned int            mask;
3673         unsigned int            button;
3674         void                    (*func)(struct ws_win *, union arg *);
3675         union arg               args;
3676 } buttons[] = {
3677           /* action     key             mouse button    func    args */
3678         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3679         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3680         { client_click, MODKEY,         Button1,        move,   {0} },
3681 };
3682
3683 void
3684 update_modkey(unsigned int mod)
3685 {
3686         int                     i;
3687
3688         mod_key = mod;
3689         for (i = 0; i < keys_length; i++)
3690                 if (keys[i].mod & ShiftMask)
3691                         keys[i].mod = mod | ShiftMask;
3692                 else
3693                         keys[i].mod = mod;
3694
3695         for (i = 0; i < LENGTH(buttons); i++)
3696                 if (buttons[i].mask & ShiftMask)
3697                         buttons[i].mask = mod | ShiftMask;
3698                 else
3699                         buttons[i].mask = mod;
3700 }
3701
3702 /* spawn */
3703 struct spawn_prog {
3704         char                    *name;
3705         int                     argc;
3706         char                    **argv;
3707 };
3708
3709 int                             spawns_size = 0, spawns_length = 0;
3710 struct spawn_prog               *spawns = NULL;
3711
3712 int
3713 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3714     char ***ret_args)
3715 {
3716         struct spawn_prog       *prog = NULL;
3717         int                     i;
3718         char                    *ap, **real_args;
3719
3720         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3721
3722         /* find program */
3723         for (i = 0; i < spawns_length; i++) {
3724                 if (!strcasecmp(spawn_name, spawns[i].name))
3725                         prog = &spawns[i];
3726         }
3727         if (prog == NULL) {
3728                 fprintf(stderr, "spawn_custom: program %s not found\n",
3729                     spawn_name);
3730                 return (-1);
3731         }
3732
3733         /* make room for expanded args */
3734         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3735                 err(1, "spawn_custom: calloc real_args");
3736
3737         /* expand spawn_args into real_args */
3738         for (i = 0; i < prog->argc; i++) {
3739                 ap = prog->argv[i];
3740                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3741                 if (!strcasecmp(ap, "$bar_border")) {
3742                         if ((real_args[i] =
3743                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3744                             == NULL)
3745                                 err(1,  "spawn_custom border color");
3746                 } else if (!strcasecmp(ap, "$bar_color")) {
3747                         if ((real_args[i] =
3748                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3749                             == NULL)
3750                                 err(1, "spawn_custom bar color");
3751                 } else if (!strcasecmp(ap, "$bar_font")) {
3752                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3753                             == NULL)
3754                                 err(1, "spawn_custom bar fonts");
3755                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3756                         if ((real_args[i] =
3757                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3758                             == NULL)
3759                                 err(1, "spawn_custom color font");
3760                 } else if (!strcasecmp(ap, "$color_focus")) {
3761                         if ((real_args[i] =
3762                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3763                             == NULL)
3764                                 err(1, "spawn_custom color focus");
3765                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3766                         if ((real_args[i] =
3767                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3768                             == NULL)
3769                                 err(1, "spawn_custom color unfocus");
3770                 } else {
3771                         /* no match --> copy as is */
3772                         if ((real_args[i] = strdup(ap)) == NULL)
3773                                 err(1, "spawn_custom strdup(ap)");
3774                 }
3775                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3776                     real_args[i]);
3777         }
3778
3779 #ifdef SWM_DEBUG
3780         if ((swm_debug & SWM_D_SPAWN) != 0) {
3781                 fprintf(stderr, "spawn_custom: result = ");
3782                 for (i = 0; i < prog->argc; i++)
3783                         fprintf(stderr, "\"%s\" ", real_args[i]);
3784                 fprintf(stderr, "\n");
3785         }
3786 #endif
3787         *ret_args = real_args;
3788         return (prog->argc);
3789 }
3790
3791 void
3792 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3793 {
3794         union arg               a;
3795         char                    **real_args;
3796         int                     spawn_argc, i;
3797
3798         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3799                 return;
3800         a.argv = real_args;
3801         if (fork() == 0)
3802                 spawn(r->ws->idx, &a, 1);
3803
3804         for (i = 0; i < spawn_argc; i++)
3805                 free(real_args[i]);
3806         free(real_args);
3807 }
3808
3809 void
3810 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3811 {
3812         union arg               a;
3813         char                    **real_args;
3814         int                     i, spawn_argc;
3815
3816         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3817                 return;
3818         a.argv = real_args;
3819
3820         if (pipe(select_list_pipe) == -1)
3821                 err(1, "pipe error");
3822         if (pipe(select_resp_pipe) == -1)
3823                 err(1, "pipe error");
3824
3825         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3826                 err(1, "could not disable SIGPIPE");
3827         switch (*pid = fork()) {
3828         case -1:
3829                 err(1, "cannot fork");
3830                 break;
3831         case 0: /* child */
3832                 if (dup2(select_list_pipe[0], 0) == -1)
3833                         errx(1, "dup2");
3834                 if (dup2(select_resp_pipe[1], 1) == -1)
3835                         errx(1, "dup2");
3836                 close(select_list_pipe[1]);
3837                 close(select_resp_pipe[0]);
3838                 spawn(r->ws->idx, &a, 0);
3839                 break;
3840         default: /* parent */
3841                 close(select_list_pipe[0]);
3842                 close(select_resp_pipe[1]);
3843                 break;
3844         }
3845
3846         for (i = 0; i < spawn_argc; i++)
3847                 free(real_args[i]);
3848         free(real_args);
3849 }
3850
3851 void
3852 setspawn(struct spawn_prog *prog)
3853 {
3854         int                     i, j;
3855
3856         if (prog == NULL || prog->name == NULL)
3857                 return;
3858
3859         /* find existing */
3860         for (i = 0; i < spawns_length; i++) {
3861                 if (!strcmp(spawns[i].name, prog->name)) {
3862                         /* found */
3863                         if (prog->argv == NULL) {
3864                                 /* delete */
3865                                 DNPRINTF(SWM_D_SPAWN,
3866                                     "setspawn: delete #%d %s\n",
3867                                     i, spawns[i].name);
3868                                 free(spawns[i].name);
3869                                 for (j = 0; j < spawns[i].argc; j++)
3870                                         free(spawns[i].argv[j]);
3871                                 free(spawns[i].argv);
3872                                 j = spawns_length - 1;
3873                                 if (i < j)
3874                                         spawns[i] = spawns[j];
3875                                 spawns_length--;
3876                                 free(prog->name);
3877                         } else {
3878                                 /* replace */
3879                                 DNPRINTF(SWM_D_SPAWN,
3880                                     "setspawn: replace #%d %s\n",
3881                                     i, spawns[i].name);
3882                                 free(spawns[i].name);
3883                                 for (j = 0; j < spawns[i].argc; j++)
3884                                         free(spawns[i].argv[j]);
3885                                 free(spawns[i].argv);
3886                                 spawns[i] = *prog;
3887                         }
3888                         /* found case handled */
3889                         free(prog);
3890                         return;
3891                 }
3892         }
3893
3894         if (prog->argv == NULL) {
3895                 fprintf(stderr,
3896                     "error: setspawn: cannot find program %s", prog->name);
3897                 free(prog);
3898                 return;
3899         }
3900
3901         /* not found: add */
3902         if (spawns_size == 0 || spawns == NULL) {
3903                 spawns_size = 4;
3904                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3905                 spawns = malloc((size_t)spawns_size *
3906                     sizeof(struct spawn_prog));
3907                 if (spawns == NULL) {
3908                         fprintf(stderr, "setspawn: malloc failed\n");
3909                         perror(" failed");
3910                         quit(NULL, NULL);
3911                 }
3912         } else if (spawns_length == spawns_size) {
3913                 spawns_size *= 2;
3914                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3915                 spawns = realloc(spawns, (size_t)spawns_size *
3916                     sizeof(struct spawn_prog));
3917                 if (spawns == NULL) {
3918                         fprintf(stderr, "setspawn: realloc failed\n");
3919                         perror(" failed");
3920                         quit(NULL, NULL);
3921                 }
3922         }
3923
3924         if (spawns_length < spawns_size) {
3925                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3926                     spawns_length, prog->name);
3927                 i = spawns_length++;
3928                 spawns[i] = *prog;
3929         } else {
3930                 fprintf(stderr, "spawns array problem?\n");
3931                 if (spawns == NULL) {
3932                         fprintf(stderr, "spawns array is NULL!\n");
3933                         quit(NULL, NULL);
3934                 }
3935         }
3936         free(prog);
3937 }
3938
3939 int
3940 setconfspawn(char *selector, char *value, int flags)
3941 {
3942         struct spawn_prog       *prog;
3943         char                    *vp, *cp, *word;
3944
3945         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3946         if ((prog = calloc(1, sizeof *prog)) == NULL)
3947                 err(1, "setconfspawn: calloc prog");
3948         prog->name = strdup(selector);
3949         if (prog->name == NULL)
3950                 err(1, "setconfspawn prog->name");
3951         if ((cp = vp = strdup(value)) == NULL)
3952                 err(1, "setconfspawn: strdup(value) ");
3953         while ((word = strsep(&cp, " \t")) != NULL) {
3954                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3955                 if (cp)
3956                         cp += (long)strspn(cp, " \t");
3957                 if (strlen(word) > 0) {
3958                         prog->argc++;
3959                         if ((prog->argv = realloc(prog->argv,
3960                             prog->argc * sizeof(char *))) == NULL)
3961                                 err(1, "setconfspawn: realloc");
3962                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3963                                 err(1, "setconfspawn: strdup");
3964                 }
3965         }
3966         free(vp);
3967
3968         setspawn(prog);
3969
3970         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3971         return (0);
3972 }
3973
3974 void
3975 setup_spawn(void)
3976 {
3977         setconfspawn("term",            "xterm",                0);
3978         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3979         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3980         setconfspawn("lock",            "xlock",                0);
3981         setconfspawn("initscr",         "initscreen.sh",        0);
3982         setconfspawn("menu",            "dmenu_run"
3983                                         " -fn $bar_font"
3984                                         " -nb $bar_color"
3985                                         " -nf $bar_font_color"
3986                                         " -sb $bar_border"
3987                                         " -sf $bar_color",      0);
3988         setconfspawn("uniconify",       "dmenu"
3989                                         " -i"
3990                                         " -fn $bar_font"
3991                                         " -nb $bar_color"
3992                                         " -nf $bar_font_color"
3993                                         " -sb $bar_border"
3994                                         " -sf $bar_color",      0);
3995 }
3996
3997 /* key bindings */
3998 #define SWM_MODNAME_SIZE        32
3999 #define SWM_KEY_WS              "\n+ \t"
4000 int
4001 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4002 {
4003         char                    *cp, *name;
4004         KeySym                  uks;
4005         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4006         if (mod == NULL || ks == NULL) {
4007                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4008                 return (1);
4009         }
4010         if (keystr == NULL || strlen(keystr) == 0) {
4011                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4012                 return (1);
4013         }
4014         cp = keystr;
4015         *ks = NoSymbol;
4016         *mod = 0;
4017         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4018                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4019                 if (cp)
4020                         cp += (long)strspn(cp, SWM_KEY_WS);
4021                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4022                         *mod |= currmod;
4023                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4024                         *mod |= Mod1Mask;
4025                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4026                         *mod += Mod2Mask;
4027                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4028                         *mod |= Mod3Mask;
4029                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4030                         *mod |= Mod4Mask;
4031                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4032                         *mod |= ShiftMask;
4033                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4034                         *mod |= ControlMask;
4035                 else {
4036                         *ks = XStringToKeysym(name);
4037                         XConvertCase(*ks, ks, &uks);
4038                         if (ks == NoSymbol) {
4039                                 DNPRINTF(SWM_D_KEY,
4040                                     "parsekeys: invalid key %s\n",
4041                                     name);
4042                                 return (1);
4043                         }
4044                 }
4045         }
4046         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4047         return (0);
4048 }
4049
4050 char *
4051 strdupsafe(char *str)
4052 {
4053         if (str == NULL)
4054                 return (NULL);
4055         else
4056                 return (strdup(str));
4057 }
4058
4059 void
4060 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4061     char *spawn_name)
4062 {
4063         int                     i, j;
4064         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4065             keyfuncs[kfid].name, spawn_name);
4066         /* find existing */
4067         for (i = 0; i < keys_length; i++) {
4068                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4069                         if (kfid == kf_invalid) {
4070                                 /* found: delete */
4071                                 DNPRINTF(SWM_D_KEY,
4072                                     "setkeybinding: delete #%d %s\n",
4073                                     i, keyfuncs[keys[i].funcid].name);
4074                                 free(keys[i].spawn_name);
4075                                 j = keys_length - 1;
4076                                 if (i < j)
4077                                         keys[i] = keys[j];
4078                                 keys_length--;
4079                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4080                                 return;
4081                         } else {
4082                                 /* found: replace */
4083                                 DNPRINTF(SWM_D_KEY,
4084                                     "setkeybinding: replace #%d %s %s\n",
4085                                     i, keyfuncs[keys[i].funcid].name,
4086                                     spawn_name);
4087                                 free(keys[i].spawn_name);
4088                                 keys[i].mod = mod;
4089                                 keys[i].keysym = ks;
4090                                 keys[i].funcid = kfid;
4091                                 keys[i].spawn_name = strdupsafe(spawn_name);
4092                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4093                                 return;
4094                         }
4095                 }
4096         }
4097         if (kfid == kf_invalid) {
4098                 fprintf(stderr,
4099                     "error: setkeybinding: cannot find mod/key combination");
4100                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4101                 return;
4102         }
4103         /* not found: add */
4104         if (keys_size == 0 || keys == NULL) {
4105                 keys_size = 4;
4106                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4107                 keys = malloc((size_t)keys_size * sizeof(struct key));
4108                 if (keys == NULL) {
4109                         fprintf(stderr, "malloc failed\n");
4110                         perror(" failed");
4111                         quit(NULL, NULL);
4112                 }
4113         } else if (keys_length == keys_size) {
4114                 keys_size *= 2;
4115                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4116                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4117                 if (keys == NULL) {
4118                         fprintf(stderr, "realloc failed\n");
4119                         perror(" failed");
4120                         quit(NULL, NULL);
4121                 }
4122         }
4123         if (keys_length < keys_size) {
4124                 j = keys_length++;
4125                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4126                     j, keyfuncs[kfid].name, spawn_name);
4127                 keys[j].mod = mod;
4128                 keys[j].keysym = ks;
4129                 keys[j].funcid = kfid;
4130                 keys[j].spawn_name = strdupsafe(spawn_name);
4131         } else {
4132                 fprintf(stderr, "keys array problem?\n");
4133                 if (keys == NULL) {
4134                         fprintf(stderr, "keys array problem\n");
4135                         quit(NULL, NULL);
4136                 }
4137         }
4138         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4139 }
4140
4141 int
4142 setconfbinding(char *selector, char *value, int flags)
4143 {
4144         enum keyfuncid          kfid;
4145         unsigned int            mod;
4146         KeySym                  ks;
4147         int                     i;
4148         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4149         if (selector == NULL) {
4150                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4151                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4152                         kfid = kf_invalid;
4153                         setkeybinding(mod, ks, kfid, NULL);
4154                         return (0);
4155                 } else
4156                         return (1);
4157         }
4158         /* search by key function name */
4159         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4160                 if (strncasecmp(selector, keyfuncs[kfid].name,
4161                     SWM_FUNCNAME_LEN) == 0) {
4162                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4163                             selector);
4164                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4165                                 setkeybinding(mod, ks, kfid, NULL);
4166                                 return (0);
4167                         } else
4168                                 return (1);
4169                 }
4170         }
4171         /* search by custom spawn name */
4172         for (i = 0; i < spawns_length; i++) {
4173                 if (strcasecmp(selector, spawns[i].name) == 0) {
4174                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4175                             selector);
4176                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4177                                 setkeybinding(mod, ks, kf_spawn_custom,
4178                                     spawns[i].name);
4179                                 return (0);
4180                         } else
4181                                 return (1);
4182                 }
4183         }
4184         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4185         return (1);
4186 }
4187
4188 void
4189 setup_keys(void)
4190 {
4191         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4192         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4193         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4194         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4195         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4196         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4197         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4198         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4199         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4200         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4201         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4202         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4203         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4204         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4205         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4206         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4207         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4208         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4209         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4210         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4211         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4212         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4213         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4214         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4215         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4216         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4217         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4218         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4219         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4220         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4221         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4222         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4223         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4224         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4225         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4226         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4227         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4228         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4229         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4230         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4231         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4232         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4233         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4234         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4235         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4236         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4237         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4238         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4239         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4240         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4241         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4242         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4243         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4244         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4245         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4246         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4247         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4248         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4249 #ifdef SWM_DEBUG
4250         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4251 #endif
4252 }
4253
4254 void
4255 updatenumlockmask(void)
4256 {
4257         unsigned int            i, j;
4258         XModifierKeymap         *modmap;
4259
4260         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4261         numlockmask = 0;
4262         modmap = XGetModifierMapping(display);
4263         for (i = 0; i < 8; i++)
4264                 for (j = 0; j < modmap->max_keypermod; j++)
4265                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4266                             == XKeysymToKeycode(display, XK_Num_Lock))
4267                                 numlockmask = (1 << i);
4268
4269         XFreeModifiermap(modmap);
4270 }
4271
4272 void
4273 grabkeys(void)
4274 {
4275         unsigned int            i, j, k;
4276         KeyCode                 code;
4277         unsigned int            modifiers[] =
4278             { 0, LockMask, numlockmask, numlockmask | LockMask };
4279
4280         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4281         updatenumlockmask();
4282
4283         for (k = 0; k < ScreenCount(display); k++) {
4284                 if (TAILQ_EMPTY(&screens[k].rl))
4285                         continue;
4286                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4287                 for (i = 0; i < keys_length; i++) {
4288                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4289                                 for (j = 0; j < LENGTH(modifiers); j++)
4290                                         XGrabKey(display, code,
4291                                             keys[i].mod | modifiers[j],
4292                                             screens[k].root, True,
4293                                             GrabModeAsync, GrabModeAsync);
4294                 }
4295         }
4296 }
4297
4298 void
4299 grabbuttons(struct ws_win *win, int focused)
4300 {
4301         unsigned int            i, j;
4302         unsigned int            modifiers[] =
4303             { 0, LockMask, numlockmask, numlockmask|LockMask };
4304
4305         updatenumlockmask();
4306         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4307         if (focused) {
4308                 for (i = 0; i < LENGTH(buttons); i++)
4309                         if (buttons[i].action == client_click)
4310                                 for (j = 0; j < LENGTH(modifiers); j++)
4311                                         XGrabButton(display, buttons[i].button,
4312                                             buttons[i].mask | modifiers[j],
4313                                             win->id, False, BUTTONMASK,
4314                                             GrabModeAsync, GrabModeSync, None,
4315                                             None);
4316         } else
4317                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4318                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4319 }
4320
4321 const char *quirkname[] = {
4322         "NONE",         /* config string for "no value" */
4323         "FLOAT",
4324         "TRANSSZ",
4325         "ANYWHERE",
4326         "XTERM_FONTADJ",
4327         "FULLSCREEN",
4328         "FOCUSPREV",
4329 };
4330
4331 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4332 #define SWM_Q_WS                "\n|+ \t"
4333 int
4334 parsequirks(char *qstr, unsigned long *quirk)
4335 {
4336         char                    *cp, *name;
4337         int                     i;
4338
4339         if (quirk == NULL)
4340                 return (1);
4341
4342         cp = qstr;
4343         *quirk = 0;
4344         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4345                 if (cp)
4346                         cp += (long)strspn(cp, SWM_Q_WS);
4347                 for (i = 0; i < LENGTH(quirkname); i++) {
4348                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4349                                 DNPRINTF(SWM_D_QUIRK,
4350                                     "parsequirks: %s\n", name);
4351                                 if (i == 0) {
4352                                         *quirk = 0;
4353                                         return (0);
4354                                 }
4355                                 *quirk |= 1 << (i-1);
4356                                 break;
4357                         }
4358                 }
4359                 if (i >= LENGTH(quirkname)) {
4360                         DNPRINTF(SWM_D_QUIRK,
4361                             "parsequirks: invalid quirk [%s]\n", name);
4362                         return (1);
4363                 }
4364         }
4365         return (0);
4366 }
4367
4368 void
4369 setquirk(const char *class, const char *name, const int quirk)
4370 {
4371         int                     i, j;
4372
4373         /* find existing */
4374         for (i = 0; i < quirks_length; i++) {
4375                 if (!strcmp(quirks[i].class, class) &&
4376                     !strcmp(quirks[i].name, name)) {
4377                         if (!quirk) {
4378                                 /* found: delete */
4379                                 DNPRINTF(SWM_D_QUIRK,
4380                                     "setquirk: delete #%d %s:%s\n",
4381                                     i, quirks[i].class, quirks[i].name);
4382                                 free(quirks[i].class);
4383                                 free(quirks[i].name);
4384                                 j = quirks_length - 1;
4385                                 if (i < j)
4386                                         quirks[i] = quirks[j];
4387                                 quirks_length--;
4388                                 return;
4389                         } else {
4390                                 /* found: replace */
4391                                 DNPRINTF(SWM_D_QUIRK,
4392                                     "setquirk: replace #%d %s:%s\n",
4393                                     i, quirks[i].class, quirks[i].name);
4394                                 free(quirks[i].class);
4395                                 free(quirks[i].name);
4396                                 quirks[i].class = strdup(class);
4397                                 quirks[i].name = strdup(name);
4398                                 quirks[i].quirk = quirk;
4399                                 return;
4400                         }
4401                 }
4402         }
4403         if (!quirk) {
4404                 fprintf(stderr,
4405                     "error: setquirk: cannot find class/name combination");
4406                 return;
4407         }
4408         /* not found: add */
4409         if (quirks_size == 0 || quirks == NULL) {
4410                 quirks_size = 4;
4411                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4412                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4413                 if (quirks == NULL) {
4414                         fprintf(stderr, "setquirk: malloc failed\n");
4415                         perror(" failed");
4416                         quit(NULL, NULL);
4417                 }
4418         } else if (quirks_length == quirks_size) {
4419                 quirks_size *= 2;
4420                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4421                 quirks = realloc(quirks,
4422                     (size_t)quirks_size * sizeof(struct quirk));
4423                 if (quirks == NULL) {
4424                         fprintf(stderr, "setquirk: realloc failed\n");
4425                         perror(" failed");
4426                         quit(NULL, NULL);
4427                 }
4428         }
4429         if (quirks_length < quirks_size) {
4430                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4431                 j = quirks_length++;
4432                 quirks[j].class = strdup(class);
4433                 quirks[j].name = strdup(name);
4434                 quirks[j].quirk = quirk;
4435         } else {
4436                 fprintf(stderr, "quirks array problem?\n");
4437                 if (quirks == NULL) {
4438                         fprintf(stderr, "quirks array problem!\n");
4439                         quit(NULL, NULL);
4440                 }
4441         }
4442 }
4443
4444 int
4445 setconfquirk(char *selector, char *value, int flags)
4446 {
4447         char                    *cp, *class, *name;
4448         int                     retval;
4449         unsigned long           quirks;
4450         if (selector == NULL)
4451                 return (0);
4452         if ((cp = strchr(selector, ':')) == NULL)
4453                 return (0);
4454         *cp = '\0';
4455         class = selector;
4456         name = cp + 1;
4457         if ((retval = parsequirks(value, &quirks)) == 0)
4458                 setquirk(class, name, quirks);
4459         return (retval);
4460 }
4461
4462 void
4463 setup_quirks(void)
4464 {
4465         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4466         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4467         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4468         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4469         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4470         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4471         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4472         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4473         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4474         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4475         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4476         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4477         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4478 }
4479
4480 /* conf file stuff */
4481 #define SWM_CONF_FILE   "scrotwm.conf"
4482
4483 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4484           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4485           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4486           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4487           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
4488           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4489           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4490           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
4491           SWM_S_VERBOSE_LAYOUT
4492         };
4493
4494 int
4495 setconfvalue(char *selector, char *value, int flags)
4496 {
4497         int i;
4498         switch (flags) {
4499         case SWM_S_BAR_DELAY:
4500                 bar_delay = atoi(value);
4501                 break;
4502         case SWM_S_BAR_ENABLED:
4503                 bar_enabled = atoi(value);
4504                 break;
4505         case SWM_S_BAR_BORDER_WIDTH:
4506                 bar_border_width = atoi(value);
4507                 break;
4508         case SWM_S_BAR_AT_BOTTOM:
4509                 bar_at_bottom = atoi(value);
4510                 break;
4511         case SWM_S_STACK_ENABLED:
4512                 stack_enabled = atoi(value);
4513                 break;
4514         case SWM_S_CLOCK_ENABLED:
4515                 clock_enabled = atoi(value);
4516                 break;
4517         case SWM_S_CLOCK_FORMAT:
4518 #ifndef SWM_DENY_CLOCK_FORMAT
4519                 free(clock_format);
4520                 if ((clock_format = strdup(value)) == NULL)
4521                         err(1, "setconfvalue: clock_format");
4522 #endif
4523                 break;
4524         case SWM_S_CYCLE_EMPTY:
4525                 cycle_empty = atoi(value);
4526                 break;
4527         case SWM_S_CYCLE_VISIBLE:
4528                 cycle_visible = atoi(value);
4529                 break;
4530         case SWM_S_SS_ENABLED:
4531                 ss_enabled = atoi(value);
4532                 break;
4533         case SWM_S_TERM_WIDTH:
4534                 term_width = atoi(value);
4535                 break;
4536         case SWM_S_TITLE_CLASS_ENABLED:
4537                 title_class_enabled = atoi(value);
4538                 break;
4539         case SWM_S_WINDOW_NAME_ENABLED:
4540                 window_name_enabled = atoi(value);
4541                 break;
4542         case SWM_S_TITLE_NAME_ENABLED:
4543                 title_name_enabled = atoi(value);
4544                 break;
4545         case SWM_S_URGENT_ENABLED:
4546                 urgent_enabled = atoi(value);
4547                 break;
4548         case SWM_S_FOCUS_MODE:
4549                 if (!strcmp(value, "default"))
4550                         focus_mode = SWM_FOCUS_DEFAULT;
4551                 else if (!strcmp(value, "follow_cursor"))
4552                         focus_mode = SWM_FOCUS_FOLLOW;
4553                 else if (!strcmp(value, "synergy"))
4554                         focus_mode = SWM_FOCUS_SYNERGY;
4555                 else
4556                         err(1, "focus_mode");
4557                 break;
4558         case SWM_S_DISABLE_BORDER:
4559                 disable_border = atoi(value);
4560                 break;
4561         case SWM_S_BORDER_WIDTH:
4562                 border_width = atoi(value);
4563                 break;
4564         case SWM_S_BAR_FONT:
4565                 free(bar_fonts[0]);
4566                 if ((bar_fonts[0] = strdup(value)) == NULL)
4567                         err(1, "setconfvalue: bar_font");
4568                 break;
4569         case SWM_S_BAR_ACTION:
4570                 free(bar_argv[0]);
4571                 if ((bar_argv[0] = strdup(value)) == NULL)
4572                         err(1, "setconfvalue: bar_action");
4573                 break;
4574         case SWM_S_SPAWN_TERM:
4575                 free(spawn_term[0]);
4576                 if ((spawn_term[0] = strdup(value)) == NULL)
4577                         err(1, "setconfvalue: spawn_term");
4578                 break;
4579         case SWM_S_SS_APP:
4580                 break;
4581         case SWM_S_DIALOG_RATIO:
4582                 dialog_ratio = atof(value);
4583                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4584                         dialog_ratio = .6;
4585                 break;
4586         case SWM_S_VERBOSE_LAYOUT:
4587                 verbose_layout = atoi(value);
4588                 for (i = 0; layouts[i].l_stack != NULL; i++) {
4589                         if (verbose_layout)
4590                                 layouts[i].l_string = fancy_stacker;
4591                         else
4592                                 layouts[i].l_string = plain_stacker;
4593                 }
4594                 break;
4595         default:
4596                 return (1);
4597         }
4598         return (0);
4599 }
4600
4601 int
4602 setconfmodkey(char *selector, char *value, int flags)
4603 {
4604         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4605                 update_modkey(Mod1Mask);
4606         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4607                 update_modkey(Mod2Mask);
4608         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4609                 update_modkey(Mod3Mask);
4610         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4611                 update_modkey(Mod4Mask);
4612         else
4613                 return (1);
4614         return (0);
4615 }
4616
4617 int
4618 setconfcolor(char *selector, char *value, int flags)
4619 {
4620         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4621         return (0);
4622 }
4623
4624 int
4625 setconfregion(char *selector, char *value, int flags)
4626 {
4627         custom_region(value);
4628         return (0);
4629 }
4630
4631 int
4632 setautorun(char *selector, char *value, int flags)
4633 {
4634         int                     ws_id;
4635         char                    s[1024];
4636         char                    *ap, *sp = s;
4637         union arg               a;
4638         int                     argc = 0;
4639         long                    pid;
4640         struct pid_e            *p;
4641
4642         if (getenv("SWM_STARTED"))
4643                 return (0);
4644
4645         bzero(s, sizeof s);
4646         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
4647                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'\n");
4648         ws_id--;
4649         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4650                 errx(1, "autorun: invalid workspace %d\n", ws_id + 1);
4651
4652         /*
4653          * This is a little intricate
4654          *
4655          * If the pid already exists we simply reuse it because it means it was
4656          * used before AND not claimed by manage_window.  We get away with
4657          * altering it in the parent after INSERT because this can not be a race
4658          */
4659         a.argv = NULL;
4660         while ((ap = strsep(&sp, " \t")) != NULL) {
4661                 if (*ap == '\0')
4662                         continue;
4663                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
4664                 argc++;
4665                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
4666                         err(1, "setautorun: realloc");
4667                 a.argv[argc - 1] = ap;
4668         }
4669
4670         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
4671                 err(1, "setautorun: realloc");
4672         a.argv[argc] = NULL;
4673
4674         if ((pid = fork()) == 0) {
4675                 spawn(ws_id, &a, 1);
4676                 /* NOTREACHED */
4677                 _exit(1);
4678         }
4679         free(a.argv);
4680
4681         /* parent */
4682         p = find_pid(pid);
4683         if (p == NULL) {
4684                 p = calloc(1, sizeof *p);
4685                 if (p == NULL)
4686                         return (1);
4687                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4688         }
4689
4690         p->pid = pid;
4691         p->ws = ws_id;
4692
4693         return (0);
4694 }
4695
4696 int
4697 setlayout(char *selector, char *value, int flags)
4698 {
4699         int                     ws_id, st, i, x, mg, ma, si, raise;
4700         char                    s[1024];
4701         struct workspace        *ws;
4702
4703         if (getenv("SWM_STARTED"))
4704                 return (0);
4705
4706         bzero(s, sizeof s);
4707         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
4708             &ws_id, &mg, &ma, &si, &raise, s) != 6)
4709                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4710                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4711                     "<type>'\n");
4712         ws_id--;
4713         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4714                 errx(1, "layout: invalid workspace %d\n", ws_id + 1);
4715
4716         if (!strcasecmp(s, "vertical"))
4717                 st = SWM_V_STACK;
4718         else if (!strcasecmp(s, "horizontal"))
4719                 st = SWM_H_STACK;
4720         else if (!strcasecmp(s, "fullscreen"))
4721                 st = SWM_MAX_STACK;
4722         else
4723                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4724                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4725                     "<type>'\n");
4726
4727         for (i = 0; i < ScreenCount(display); i++) {
4728                 ws = (struct workspace *)&screens[i].ws;
4729                 ws[ws_id].cur_layout = &layouts[st];
4730
4731                 ws[ws_id].always_raise = raise;
4732                 if (st == SWM_MAX_STACK)
4733                         continue;
4734
4735                 /* master grow */
4736                 for (x = 0; x < abs(mg); x++) {
4737                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4738                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
4739                             SWM_ARG_ID_MASTERSHRINK);
4740                         stack();
4741                 }
4742                 /* master add */
4743                 for (x = 0; x < abs(ma); x++) {
4744                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4745                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
4746                             SWM_ARG_ID_MASTERDEL);
4747                         stack();
4748                 }
4749                 /* stack inc */
4750                 for (x = 0; x < abs(si); x++) {
4751                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4752                             si >= 0 ?  SWM_ARG_ID_STACKINC :
4753                             SWM_ARG_ID_STACKDEC);
4754                         stack();
4755                 }
4756         }
4757
4758         return (0);
4759 }
4760
4761 /* config options */
4762 struct config_option {
4763         char                    *optname;
4764         int                     (*func)(char*, char*, int);
4765         int                     funcflags;
4766 };
4767 struct config_option configopt[] = {
4768         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4769         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4770         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4771         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4772         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4773         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4774         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4775         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4776         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4777         { "bind",                       setconfbinding, 0 },
4778         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4779         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4780         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4781         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4782         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4783         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4784         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4785         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4786         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
4787         { "modkey",                     setconfmodkey,  0 },
4788         { "program",                    setconfspawn,   0 },
4789         { "quirk",                      setconfquirk,   0 },
4790         { "region",                     setconfregion,  0 },
4791         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4792         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4793         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4794         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4795         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
4796         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4797         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4798         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4799         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4800         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4801         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4802         { "autorun",                    setautorun,     0 },
4803         { "layout",                     setlayout,      0 },
4804 };
4805
4806
4807 int
4808 conf_load(char *filename)
4809 {
4810         FILE                    *config;
4811         char                    *line, *cp, *optsub, *optval;
4812         size_t                  linelen, lineno = 0;
4813         int                     wordlen, i, optind;
4814         struct config_option    *opt;
4815
4816         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4817
4818         if (filename == NULL) {
4819                 fprintf(stderr, "conf_load: no filename\n");
4820                 return (1);
4821         }
4822         if ((config = fopen(filename, "r")) == NULL) {
4823                 warn("conf_load: fopen");
4824                 return (1);
4825         }
4826
4827         while (!feof(config)) {
4828                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4829                     == NULL) {
4830                         if (ferror(config))
4831                                 err(1, "%s", filename);
4832                         else
4833                                 continue;
4834                 }
4835                 cp = line;
4836                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4837                 if (cp[0] == '\0') {
4838                         /* empty line */
4839                         free(line);
4840                         continue;
4841                 }
4842                 /* get config option */
4843                 wordlen = strcspn(cp, "=[ \t\n");
4844                 if (wordlen == 0) {
4845                         warnx("%s: line %zd: no option found",
4846                             filename, lineno);
4847                         return (1);
4848                 }
4849                 optind = -1;
4850                 for (i = 0; i < LENGTH(configopt); i++) {
4851                         opt = &configopt[i];
4852                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4853                             strlen(opt->optname) == wordlen) {
4854                                 optind = i;
4855                                 break;
4856                         }
4857                 }
4858                 if (optind == -1) {
4859                         warnx("%s: line %zd: unknown option %.*s",
4860                             filename, lineno, wordlen, cp);
4861                         return (1);
4862                 }
4863                 cp += wordlen;
4864                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4865                 /* get [selector] if any */
4866                 optsub = NULL;
4867                 if (*cp == '[') {
4868                         cp++;
4869                         wordlen = strcspn(cp, "]");
4870                         if (*cp != ']') {
4871                                 if (wordlen == 0) {
4872                                         warnx("%s: line %zd: syntax error",
4873                                             filename, lineno);
4874                                         return (1);
4875                                 }
4876                                 asprintf(&optsub, "%.*s", wordlen, cp);
4877                         }
4878                         cp += wordlen;
4879                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4880                 }
4881                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4882                 /* get RHS value */
4883                 optval = strdup(cp);
4884                 /* call function to deal with it all */
4885                 if (configopt[optind].func(optsub, optval,
4886                     configopt[optind].funcflags) != 0) {
4887                         fprintf(stderr, "%s line %zd: %s\n",
4888                             filename, lineno, line);
4889                         errx(1, "%s: line %zd: invalid data for %s",
4890                             filename, lineno, configopt[optind].optname);
4891                 }
4892                 free(optval);
4893                 free(optsub);
4894                 free(line);
4895         }
4896
4897         fclose(config);
4898         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4899
4900         return (0);
4901 }
4902
4903 void
4904 set_child_transient(struct ws_win *win, Window *trans)
4905 {
4906         struct ws_win           *parent, *w;
4907         XWMHints                *wmh = NULL;
4908         struct swm_region       *r;
4909         struct workspace        *ws;
4910
4911         parent = find_window(win->transient);
4912         if (parent)
4913                 parent->child_trans = win;
4914         else {
4915                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
4916                     " for %lu trans %lu\n", win->id, win->transient);
4917
4918                 if (win->hints == NULL) {
4919                         fprintf(stderr, "no hints for %lu\n", win->id);
4920                         return;
4921                 }
4922
4923                 r = root_to_region(win->wa.root);
4924                 ws = r->ws;
4925                 /* parent doen't exist in our window list */
4926                 TAILQ_FOREACH(w, &ws->winlist, entry) {
4927                         if (wmh)
4928                                 XFree(wmh);
4929
4930                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
4931                                 fprintf(stderr, "can't get hints for %lu\n",
4932                                     w->id);
4933                                 continue;
4934                         }
4935
4936                         if (win->hints->window_group != wmh->window_group)
4937                                 continue;
4938
4939                         w->child_trans = win;
4940                         win->transient = w->id;
4941                         *trans = w->id;
4942                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
4943                             "transient to %lu\n", win->transient);
4944                         break;
4945                 }
4946         }
4947
4948         if (wmh)
4949                 XFree(wmh);
4950 }
4951
4952 long
4953 window_get_pid(Window win)
4954 {
4955         Atom                    actual_type_return;
4956         int                     actual_format_return = 0;
4957         unsigned long           nitems_return = 0;
4958         unsigned long           bytes_after_return = 0;
4959         long                    *pid = NULL;
4960         long                    ret = 0;
4961         const char              *errstr;
4962         unsigned char           *prop = NULL;
4963
4964         if (XGetWindowProperty(display, win,
4965             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
4966             XA_CARDINAL, &actual_type_return, &actual_format_return,
4967             &nitems_return, &bytes_after_return,
4968             (unsigned char**)(void*)&pid) != Success)
4969                 goto tryharder;
4970         if (actual_type_return != XA_CARDINAL)
4971                 goto tryharder;
4972         if (pid == NULL)
4973                 goto tryharder;
4974
4975         ret = *pid;
4976         XFree(pid);
4977
4978         return (ret);
4979
4980 tryharder:
4981         if (XGetWindowProperty(display, win,
4982             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
4983             XA_STRING, &actual_type_return, &actual_format_return,
4984             &nitems_return, &bytes_after_return, &prop) != Success)
4985                 return (0);
4986         if (actual_type_return != XA_STRING)
4987                 return (0);
4988         if (prop == NULL)
4989                 return (0);
4990
4991         ret = strtonum(prop, 0, UINT_MAX, &errstr);
4992         /* ignore error because strtonum returns 0 anyway */
4993         XFree(prop);
4994
4995         return (ret);
4996 }
4997
4998 struct ws_win *
4999 manage_window(Window id)
5000 {
5001         Window                  trans = 0;
5002         struct workspace        *ws;
5003         struct ws_win           *win, *ww;
5004         int                     format, i, ws_idx, n, border_me = 0;
5005         unsigned long           nitems, bytes;
5006         Atom                    ws_idx_atom = 0, type;
5007         Atom                    *prot = NULL, *pp;
5008         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5009         struct swm_region       *r;
5010         long                    mask;
5011         const char              *errstr;
5012         XWindowChanges          wc;
5013         struct pid_e            *p;
5014
5015         if ((win = find_window(id)) != NULL)
5016                 return (win);   /* already being managed */
5017
5018         /* see if we are on the unmanaged list */
5019         if ((win = find_unmanaged_window(id)) != NULL) {
5020                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5021                     "%lu\n", win->id);
5022                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5023                 if (win->transient) {
5024                         set_child_transient(win, &trans);
5025                 } if (trans && (ww = find_window(trans)))
5026                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5027                 else
5028                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5029                 ewmh_update_actions(win);
5030                 return (win);
5031         }
5032
5033         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5034                 errx(1, "calloc: failed to allocate memory for new window");
5035
5036         win->id = id;
5037
5038         /* see if we need to override the workspace */
5039         p = find_pid(window_get_pid(id));
5040
5041         /* Get all the window data in one shot */
5042         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5043         if (ws_idx_atom) {
5044                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5045                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5046         }
5047         XGetWindowAttributes(display, id, &win->wa);
5048         XGetWMNormalHints(display, id, &win->sh, &mask);
5049         win->hints = XGetWMHints(display, id);
5050         XGetTransientForHint(display, id, &trans);
5051         if (trans) {
5052                 win->transient = trans;
5053                 set_child_transient(win, &trans);
5054                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5055                     win->id, win->transient);
5056         }
5057
5058         /* get supported protocols */
5059         if (XGetWMProtocols(display, id, &prot, &n)) {
5060                 for (i = 0, pp = prot; i < n; i++, pp++) {
5061                         if (*pp == takefocus)
5062                                 win->take_focus = 1;
5063                         if (*pp == adelete)
5064                                 win->can_delete = 1;
5065                 }
5066                 if (prot)
5067                         XFree(prot);
5068         }
5069
5070         win->iconic = get_iconic(win);
5071
5072         /*
5073          * Figure out where to put the window. If it was previously assigned to
5074          * a workspace (either by spawn() or manually moving), and isn't
5075          * transient, * put it in the same workspace
5076          */
5077         r = root_to_region(win->wa.root);
5078         if (p) {
5079                 ws = &r->s->ws[p->ws];
5080                 TAILQ_REMOVE(&pidlist, p, entry);
5081                 free(p);
5082                 p = NULL;
5083         } else if (prop && win->transient == 0) {
5084                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5085                 ws_idx = strtonum(prop, 0, 9, &errstr);
5086                 if (errstr) {
5087                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5088                             errstr, prop);
5089                 }
5090                 ws = &r->s->ws[ws_idx];
5091         } else {
5092                 ws = r->ws;
5093                 /* this should launch transients in the same ws as parent */
5094                 if (id && trans)
5095                         if ((ww = find_window(trans)) != NULL)
5096                                 if (ws->r) {
5097                                         ws = ww->ws;
5098                                         if (ww->ws->r)
5099                                                 r = ww->ws->r;
5100                                         else
5101                                                 fprintf(stderr,
5102                                                     "fix this bug mcbride\n");
5103                                         border_me = 1;
5104                                 }
5105         }
5106
5107         /* set up the window layout */
5108         win->id = id;
5109         win->ws = ws;
5110         win->s = r->s;  /* this never changes */
5111         if (trans && (ww = find_window(trans)))
5112                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5113         else
5114                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5115
5116         win->g.w = win->wa.width;
5117         win->g.h = win->wa.height;
5118         win->g.x = win->wa.x;
5119         win->g.y = win->wa.y;
5120         win->g_floatvalid = 0;
5121         win->floatmaxed = 0;
5122         win->ewmh_flags = 0;
5123
5124         /* Set window properties so we can remember this after reincarnation */
5125         if (ws_idx_atom && prop == NULL &&
5126             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
5127                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5128                     ws_idx_str);
5129                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5130                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5131         }
5132         if (prop)
5133                 XFree(prop);
5134
5135         ewmh_autoquirk(win);
5136
5137         if (XGetClassHint(display, win->id, &win->ch)) {
5138                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5139                     win->ch.res_class, win->ch.res_name);
5140
5141                 /* java is retarded so treat it special */
5142                 if (strstr(win->ch.res_name, "sun-awt")) {
5143                         win->java = 1;
5144                         border_me = 1;
5145                 }
5146
5147                 for (i = 0; i < quirks_length; i++){
5148                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5149                             !strcmp(win->ch.res_name, quirks[i].name)) {
5150                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5151                                     win->ch.res_class, win->ch.res_name);
5152                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5153                                         win->floating = 1;
5154                                         border_me = 1;
5155                                 }
5156                                 win->quirks = quirks[i].quirk;
5157                         }
5158                 }
5159         }
5160
5161         /* alter window position if quirky */
5162         if (win->quirks & SWM_Q_ANYWHERE) {
5163                 win->manual = 1; /* don't center the quirky windows */
5164                 bzero(&wc, sizeof wc);
5165                 mask = 0;
5166                 if (bar_enabled && win->g.y < bar_height) {
5167                         win->g.y = wc.y = bar_height;
5168                         mask |= CWY;
5169                 }
5170                 if (win->g.w + win->g.x > WIDTH(r)) {
5171                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5172                         mask |= CWX;
5173                 }
5174                 border_me = 1;
5175         }
5176
5177         /* Reset font sizes (the bruteforce way; no default keybinding). */
5178         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5179                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5180                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5181                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5182                         fake_keypress(win, XK_KP_Add, ShiftMask);
5183         }
5184
5185         ewmh_get_win_state(win);
5186         ewmh_update_actions(win);
5187         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5188
5189         /* border me */
5190         if (border_me) {
5191                 bzero(&wc, sizeof wc);
5192                 wc.border_width = border_width;
5193                 mask = CWBorderWidth;
5194                 XConfigureWindow(display, win->id, mask, &wc);
5195         }
5196
5197         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5198             PropertyChangeMask | StructureNotifyMask);
5199
5200         /* floaters need to be mapped if they are in the current workspace */
5201         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5202                 XMapRaised(display, win->id);
5203
5204         return (win);
5205 }
5206
5207 void
5208 free_window(struct ws_win *win)
5209 {
5210         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5211
5212         if (win == NULL)
5213                 return;
5214
5215         /* needed for restart wm */
5216         set_win_state(win, WithdrawnState);
5217
5218         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5219
5220         if (win->ch.res_class)
5221                 XFree(win->ch.res_class);
5222         if (win->ch.res_name)
5223                 XFree(win->ch.res_name);
5224
5225         kill_refs(win);
5226
5227         /* paint memory */
5228         memset(win, 0xff, sizeof *win); /* XXX kill later */
5229
5230         free(win);
5231 }
5232
5233 void
5234 unmanage_window(struct ws_win *win)
5235 {
5236         struct ws_win           *parent;
5237
5238         if (win == NULL)
5239                 return;
5240
5241         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5242
5243         if (win->transient) {
5244                 parent = find_window(win->transient);
5245                 if (parent)
5246                         parent->child_trans = NULL;
5247         }
5248
5249         /* focus on root just in case */
5250         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5251
5252         focus_prev(win);
5253
5254         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5255         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5256
5257         kill_refs(win);
5258 }
5259
5260 void
5261 focus_magic(struct ws_win *win)
5262 {
5263         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5264
5265         if (win == NULL)
5266                 return;
5267
5268         if (win->child_trans) {
5269                 /* win = parent & has a transient so focus on that */
5270                 if (win->java) {
5271                         focus_win(win->child_trans);
5272                         if (win->child_trans->take_focus)
5273                                 client_msg(win, takefocus);
5274                 } else {
5275                         /* make sure transient hasn't dissapeared */
5276                         if (validate_win(win->child_trans) == 0) {
5277                                 focus_win(win->child_trans);
5278                                 if (win->child_trans->take_focus)
5279                                         client_msg(win->child_trans, takefocus);
5280                         } else {
5281                                 win->child_trans = NULL;
5282                                 focus_win(win);
5283                                 if (win->take_focus)
5284                                         client_msg(win, takefocus);
5285                         }
5286                 }
5287         } else {
5288                 /* regular focus */
5289                 focus_win(win);
5290                 if (win->take_focus)
5291                         client_msg(win, takefocus);
5292         }
5293 }
5294
5295 void
5296 expose(XEvent *e)
5297 {
5298         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5299 }
5300
5301 void
5302 keypress(XEvent *e)
5303 {
5304         unsigned int            i;
5305         KeySym                  keysym;
5306         XKeyEvent               *ev = &e->xkey;
5307
5308         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5309
5310         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5311         for (i = 0; i < keys_length; i++)
5312                 if (keysym == keys[i].keysym
5313                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5314                     && keyfuncs[keys[i].funcid].func) {
5315                         if (keys[i].funcid == kf_spawn_custom)
5316                                 spawn_custom(
5317                                     root_to_region(ev->root),
5318                                     &(keyfuncs[keys[i].funcid].args),
5319                                     keys[i].spawn_name
5320                                     );
5321                         else
5322                                 keyfuncs[keys[i].funcid].func(
5323                                     root_to_region(ev->root),
5324                                     &(keyfuncs[keys[i].funcid].args)
5325                                     );
5326                 }
5327 }
5328
5329 void
5330 buttonpress(XEvent *e)
5331 {
5332         struct ws_win           *win;
5333         int                     i, action;
5334         XButtonPressedEvent     *ev = &e->xbutton;
5335
5336         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5337
5338         action = root_click;
5339         if ((win = find_window(ev->window)) == NULL)
5340                 return;
5341
5342         focus_magic(win);
5343         action = client_click;
5344
5345         for (i = 0; i < LENGTH(buttons); i++)
5346                 if (action == buttons[i].action && buttons[i].func &&
5347                     buttons[i].button == ev->button &&
5348                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5349                         buttons[i].func(win, &buttons[i].args);
5350 }
5351
5352 void
5353 configurerequest(XEvent *e)
5354 {
5355         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5356         struct ws_win           *win;
5357         int                     new = 0;
5358         XWindowChanges          wc;
5359
5360         if ((win = find_window(ev->window)) == NULL)
5361                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5362                         new = 1;
5363
5364         if (new) {
5365                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5366                     ev->window);
5367                 bzero(&wc, sizeof wc);
5368                 wc.x = ev->x;
5369                 wc.y = ev->y;
5370                 wc.width = ev->width;
5371                 wc.height = ev->height;
5372                 wc.border_width = ev->border_width;
5373                 wc.sibling = ev->above;
5374                 wc.stack_mode = ev->detail;
5375                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5376         } else {
5377                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5378                     ev->window);
5379                 config_win(win, ev);
5380         }
5381 }
5382
5383 void
5384 configurenotify(XEvent *e)
5385 {
5386         struct ws_win           *win;
5387         long                    mask;
5388
5389         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5390             e->xconfigure.window);
5391
5392         win = find_window(e->xconfigure.window);
5393         if (win) {
5394                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5395                 adjust_font(win);
5396                 if (font_adjusted)
5397                         stack();
5398                 if (focus_mode == SWM_FOCUS_DEFAULT)
5399                         drain_enter_notify();
5400         }
5401 }
5402
5403 void
5404 destroynotify(XEvent *e)
5405 {
5406         struct ws_win           *win;
5407         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5408
5409         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5410
5411         if ((win = find_window(ev->window)) == NULL) {
5412                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5413                         return;
5414                 free_window(win);
5415                 return;
5416         }
5417
5418         /* make sure we focus on something */
5419         win->floating = 0;
5420
5421         unmanage_window(win);
5422         stack();
5423         if (focus_mode == SWM_FOCUS_DEFAULT)
5424                 drain_enter_notify();
5425         free_window(win);
5426 }
5427
5428 void
5429 enternotify(XEvent *e)
5430 {
5431         XCrossingEvent          *ev = &e->xcrossing;
5432         XEvent                  cne;
5433         struct ws_win           *win;
5434 #if 0
5435         struct ws_win           *w;
5436         Window                  focus_return;
5437         int                     revert_to_return;
5438 #endif
5439         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5440             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5441             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5442             ev->same_screen, ev->focus, ev->state);
5443
5444         switch (focus_mode) {
5445         case SWM_FOCUS_DEFAULT:
5446                 break;
5447         case SWM_FOCUS_FOLLOW:
5448                 break;
5449         case SWM_FOCUS_SYNERGY:
5450 #if 0
5451         /*
5452          * all these checks need to be in this order because the
5453          * XCheckTypedWindowEvent relies on weeding out the previous events
5454          *
5455          * making this code an option would enable a follow mouse for focus
5456          * feature
5457          */
5458
5459         /*
5460          * state is set when we are switching workspaces and focus is set when
5461          * the window or a subwindow already has focus (occurs during restart).
5462          *
5463          * Only honor the focus flag if last_focus_event is not FocusOut,
5464          * this allows scrotwm to continue to control focus when another
5465          * program is also playing with it.
5466          */
5467         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5468                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5469                 return;
5470         }
5471
5472         /*
5473          * happens when a window is created or destroyed and the border
5474          * crosses the mouse pointer and when switching ws
5475          *
5476          * we need the subwindow test to see if we came from root in order
5477          * to give focus to floaters
5478          */
5479         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5480             ev->subwindow == 0) {
5481                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5482                 return;
5483         }
5484
5485         /* this window already has focus */
5486         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5487                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5488                 return;
5489         }
5490
5491         /* this window is being deleted or moved to another ws */
5492         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5493             &cne) == True) {
5494                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5495                 XPutBackEvent(display, &cne);
5496                 return;
5497         }
5498
5499         if ((win = find_window(ev->window)) == NULL) {
5500                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5501                 return;
5502         }
5503
5504         /*
5505          * In fullstack kill all enters unless they come from a different ws
5506          * (i.e. another region) or focus has been grabbed externally.
5507          */
5508         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5509             last_focus_event != FocusOut) {
5510                 XGetInputFocus(display, &focus_return, &revert_to_return);
5511                 if ((w = find_window(focus_return)) == NULL ||
5512                     w->ws == win->ws) {
5513                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5514                         return;
5515                 }
5516         }
5517 #endif
5518                 break;
5519         }
5520
5521         if ((win = find_window(ev->window)) == NULL) {
5522                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5523                 return;
5524         }
5525
5526         /*
5527          * if we have more enternotifies let them handle it in due time
5528          */
5529         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5530                 DNPRINTF(SWM_D_EVENT,
5531                     "ignoring enternotify: got more enternotify\n");
5532                 XPutBackEvent(display, &cne);
5533                 return;
5534         }
5535
5536         focus_magic(win);
5537 }
5538
5539 /* lets us use one switch statement for arbitrary mode/detail combinations */
5540 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5541
5542 void
5543 focusevent(XEvent *e)
5544 {
5545 #if 0
5546         struct ws_win           *win;
5547         u_int32_t               mode_detail;
5548         XFocusChangeEvent       *ev = &e->xfocus;
5549
5550         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5551             ev->type == FocusIn ? "entering" : "leaving",
5552             ev->window, ev->mode, ev->detail);
5553
5554         if (last_focus_event == ev->type) {
5555                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5556                 return;
5557         }
5558
5559         last_focus_event = ev->type;
5560         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5561
5562         switch (mode_detail) {
5563         /* synergy client focus operations */
5564         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5565         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5566
5567         /* synergy server focus operations */
5568         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5569
5570         /* Entering applications like rdesktop that mangle the pointer */
5571         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5572
5573                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5574                         XSetWindowBorder(display, win->id,
5575                             win->ws->r->s->c[ev->type == FocusIn ?
5576                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5577                 break;
5578         default:
5579                 fprintf(stderr, "ignoring focusevent\n");
5580                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5581                 break;
5582         }
5583 #endif
5584 }
5585
5586 void
5587 mapnotify(XEvent *e)
5588 {
5589         struct ws_win           *win;
5590         XMapEvent               *ev = &e->xmap;
5591
5592         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5593
5594         win = manage_window(ev->window);
5595         if (win)
5596                 set_win_state(win, NormalState);
5597 }
5598
5599 void
5600 mappingnotify(XEvent *e)
5601 {
5602         XMappingEvent           *ev = &e->xmapping;
5603
5604         XRefreshKeyboardMapping(ev);
5605         if (ev->request == MappingKeyboard)
5606                 grabkeys();
5607 }
5608
5609 void
5610 maprequest(XEvent *e)
5611 {
5612         struct ws_win           *win;
5613         struct swm_region       *r;
5614         XWindowAttributes       wa;
5615         XMapRequestEvent        *ev = &e->xmaprequest;
5616
5617         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5618             e->xmaprequest.window);
5619
5620         if (!XGetWindowAttributes(display, ev->window, &wa))
5621                 return;
5622         if (wa.override_redirect)
5623                 return;
5624
5625         win = manage_window(e->xmaprequest.window);
5626         if (win == NULL)
5627                 return; /* can't happen */
5628
5629         stack();
5630
5631         /* make new win focused */
5632         r = root_to_region(win->wa.root);
5633         if (win->ws == r->ws)
5634                 focus_magic(win);
5635 }
5636
5637 void
5638 propertynotify(XEvent *e)
5639 {
5640         struct ws_win           *win;
5641         XPropertyEvent          *ev = &e->xproperty;
5642
5643         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5644             ev->window);
5645
5646         win = find_window(ev->window);
5647         if (win == NULL)
5648                 return;
5649
5650         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5651                 update_iconic(win, 0);
5652                 XMapRaised(display, win->id);
5653                 stack();
5654                 focus_win(win);
5655                 return;
5656         }
5657
5658         switch (ev->atom) {
5659         case XA_WM_NORMAL_HINTS:
5660 #if 0
5661                 long            mask;
5662                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5663                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5664                 if (win->sh.flags & PMinSize) {
5665                         win->g.w = win->sh.min_width;
5666                         win->g.h = win->sh.min_height;
5667                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5668                 }
5669                 XMoveResizeWindow(display, win->id,
5670                     win->g.x, win->g.y, win->g.w, win->g.h);
5671 #endif
5672                 if (window_name_enabled)
5673                         bar_update();
5674                 break;
5675         default:
5676                 break;
5677         }
5678 }
5679
5680 void
5681 unmapnotify(XEvent *e)
5682 {
5683         struct ws_win           *win;
5684
5685         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5686
5687         /* determine if we need to help unmanage this window */
5688         win = find_window(e->xunmap.window);
5689         if (win == NULL)
5690                 return;
5691
5692         if (getstate(e->xunmap.window) == NormalState) {
5693                 unmanage_window(win);
5694                 stack();
5695
5696                 /* giant hack for apps that don't destroy transient windows */
5697                 /* eat a bunch of events to prevent remanaging the window */
5698                 XEvent                  cne;
5699                 while (XCheckWindowEvent(display, e->xunmap.window,
5700                     EnterWindowMask, &cne))
5701                         ;
5702                 while (XCheckWindowEvent(display, e->xunmap.window,
5703                     StructureNotifyMask, &cne))
5704                         ;
5705                 while (XCheckWindowEvent(display, e->xunmap.window,
5706                     SubstructureNotifyMask, &cne))
5707                         ;
5708                 /* resend unmap because we ated it */
5709                 XUnmapWindow(display, e->xunmap.window);
5710         }
5711
5712         if (focus_mode == SWM_FOCUS_DEFAULT)
5713                 drain_enter_notify();
5714 }
5715
5716 void
5717 visibilitynotify(XEvent *e)
5718 {
5719         int                     i;
5720         struct swm_region       *r;
5721
5722         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5723             e->xvisibility.window);
5724         if (e->xvisibility.state == VisibilityUnobscured)
5725                 for (i = 0; i < ScreenCount(display); i++)
5726                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5727                                 if (e->xvisibility.window == r->bar_window)
5728                                         bar_update();
5729 }
5730
5731 void
5732 clientmessage(XEvent *e)
5733 {
5734         XClientMessageEvent *ev;
5735         struct ws_win *win;
5736
5737         ev = &e->xclient;
5738
5739         win = find_window(ev->window);
5740         if (win == NULL)
5741                 return;
5742
5743         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5744             ev->window, ev->message_type);
5745
5746         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5747                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5748                 focus_win(win);
5749         }
5750         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5751                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5752                 if (win->can_delete)
5753                         client_msg(win, adelete);
5754                 else
5755                         XKillClient(display, win->id);
5756         }
5757         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5758                 DNPRINTF(SWM_D_EVENT,
5759                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5760                 if (win->floating) {
5761                         if (ev->data.l[0] & (1<<8)) /* x */
5762                                 win->g.x = ev->data.l[1];
5763                         if (ev->data.l[0] & (1<<9)) /* y */
5764                                 win->g.y = ev->data.l[2];
5765                         if (ev->data.l[0] & (1<<10)) /* width */
5766                                 win->g.w = ev->data.l[3];
5767                         if (ev->data.l[0] & (1<<11)) /* height */
5768                                 win->g.h = ev->data.l[4];
5769                 }
5770                 else {
5771                         /* TODO: Change stack sizes */
5772                 }
5773                 config_win(win, NULL);
5774         }
5775         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5776                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5777                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5778                 if (ev->data.l[2])
5779                         ewmh_update_win_state(win, ev->data.l[2],
5780                             ev->data.l[0]);
5781
5782                 stack();
5783         }
5784 }
5785
5786 int
5787 xerror_start(Display *d, XErrorEvent *ee)
5788 {
5789         other_wm = 1;
5790         return (-1);
5791 }
5792
5793 int
5794 xerror(Display *d, XErrorEvent *ee)
5795 {
5796         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5797         return (-1);
5798 }
5799
5800 int
5801 active_wm(void)
5802 {
5803         other_wm = 0;
5804         xerrorxlib = XSetErrorHandler(xerror_start);
5805
5806         /* this causes an error if some other window manager is running */
5807         XSelectInput(display, DefaultRootWindow(display),
5808             SubstructureRedirectMask);
5809         XSync(display, False);
5810         if (other_wm)
5811                 return (1);
5812
5813         XSetErrorHandler(xerror);
5814         XSync(display, False);
5815         return (0);
5816 }
5817
5818 void
5819 new_region(struct swm_screen *s, int x, int y, int w, int h)
5820 {
5821         struct swm_region       *r, *n;
5822         struct workspace        *ws = NULL;
5823         int                     i;
5824
5825         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5826              s->idx, w, h, x, y);
5827
5828         /* remove any conflicting regions */
5829         n = TAILQ_FIRST(&s->rl);
5830         while (n) {
5831                 r = n;
5832                 n = TAILQ_NEXT(r, entry);
5833                 if (X(r) < (x + w) &&
5834                     (X(r) + WIDTH(r)) > x &&
5835                     Y(r) < (y + h) &&
5836                     (Y(r) + HEIGHT(r)) > y) {
5837                         if (r->ws->r != NULL)
5838                                 r->ws->old_r = r->ws->r;
5839                         r->ws->r = NULL;
5840                         XDestroyWindow(display, r->bar_window);
5841                         TAILQ_REMOVE(&s->rl, r, entry);
5842                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5843                 }
5844         }
5845
5846         /* search old regions for one to reuse */
5847
5848         /* size + location match */
5849         TAILQ_FOREACH(r, &s->orl, entry)
5850                 if (X(r) == x && Y(r) == y &&
5851                     HEIGHT(r) == h && WIDTH(r) == w)
5852                         break;
5853
5854         /* size match */
5855         TAILQ_FOREACH(r, &s->orl, entry)
5856                 if (HEIGHT(r) == h && WIDTH(r) == w)
5857                         break;
5858
5859         if (r != NULL) {
5860                 TAILQ_REMOVE(&s->orl, r, entry);
5861                 /* try to use old region's workspace */
5862                 if (r->ws->r == NULL)
5863                         ws = r->ws;
5864         } else
5865                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5866                         errx(1, "calloc: failed to allocate memory for screen");
5867
5868         /* if we don't have a workspace already, find one */
5869         if (ws == NULL) {
5870                 for (i = 0; i < SWM_WS_MAX; i++)
5871                         if (s->ws[i].r == NULL) {
5872                                 ws = &s->ws[i];
5873                                 break;
5874                         }
5875         }
5876
5877         if (ws == NULL)
5878                 errx(1, "no free workspaces\n");
5879
5880         X(r) = x;
5881         Y(r) = y;
5882         WIDTH(r) = w;
5883         HEIGHT(r) = h;
5884         r->s = s;
5885         r->ws = ws;
5886         r->ws_prior = NULL;
5887         ws->r = r;
5888         outputs++;
5889         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5890 }
5891
5892 void
5893 scan_xrandr(int i)
5894 {
5895 #ifdef SWM_XRR_HAS_CRTC
5896         XRRCrtcInfo             *ci;
5897         XRRScreenResources      *sr;
5898         int                     c;
5899         int                     ncrtc = 0;
5900 #endif /* SWM_XRR_HAS_CRTC */
5901         struct swm_region       *r;
5902
5903
5904         if (i >= ScreenCount(display))
5905                 errx(1, "invalid screen");
5906
5907         /* remove any old regions */
5908         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5909                 r->ws->old_r = r->ws->r = NULL;
5910                 XDestroyWindow(display, r->bar_window);
5911                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5912                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5913         }
5914         outputs = 0;
5915
5916         /* map virtual screens onto physical screens */
5917 #ifdef SWM_XRR_HAS_CRTC
5918         if (xrandr_support) {
5919                 sr = XRRGetScreenResources(display, screens[i].root);
5920                 if (sr == NULL)
5921                         new_region(&screens[i], 0, 0,
5922                             DisplayWidth(display, i),
5923                             DisplayHeight(display, i));
5924                 else
5925                         ncrtc = sr->ncrtc;
5926
5927                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5928                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5929                         if (ci->noutput == 0)
5930                                 continue;
5931
5932                         if (ci != NULL && ci->mode == None)
5933                                 new_region(&screens[i], 0, 0,
5934                                     DisplayWidth(display, i),
5935                                     DisplayHeight(display, i));
5936                         else
5937                                 new_region(&screens[i],
5938                                     ci->x, ci->y, ci->width, ci->height);
5939                 }
5940                 if (ci)
5941                         XRRFreeCrtcInfo(ci);
5942                 XRRFreeScreenResources(sr);
5943         } else
5944 #endif /* SWM_XRR_HAS_CRTC */
5945         {
5946                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5947                     DisplayHeight(display, i));
5948         }
5949 }
5950
5951 void
5952 screenchange(XEvent *e) {
5953         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5954         struct swm_region               *r;
5955         int                             i;
5956
5957         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5958
5959         if (!XRRUpdateConfiguration(e))
5960                 return;
5961
5962         /* silly event doesn't include the screen index */
5963         for (i = 0; i < ScreenCount(display); i++)
5964                 if (screens[i].root == xe->root)
5965                         break;
5966         if (i >= ScreenCount(display))
5967                 errx(1, "screenchange: screen not found\n");
5968
5969         /* brute force for now, just re-enumerate the regions */
5970         scan_xrandr(i);
5971
5972         /* add bars to all regions */
5973         for (i = 0; i < ScreenCount(display); i++)
5974                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5975                         bar_setup(r);
5976         stack();
5977         if (focus_mode == SWM_FOCUS_DEFAULT)
5978                 drain_enter_notify();
5979 }
5980
5981 void
5982 grab_windows(void)
5983 {
5984         Window                  d1, d2, *wins = NULL;
5985         XWindowAttributes       wa;
5986         unsigned int            no;
5987         int                     i, j;
5988         long                    state, manage;
5989
5990         for (i = 0; i < ScreenCount(display); i++) {
5991                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5992                         continue;
5993
5994                 /* attach windows to a region */
5995                 /* normal windows */
5996                 for (j = 0; j < no; j++) {
5997                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5998                             wa.override_redirect ||
5999                             XGetTransientForHint(display, wins[j], &d1))
6000                                 continue;
6001
6002                         state = getstate(wins[j]);
6003                         manage = state == IconicState;
6004                         if (wa.map_state == IsViewable || manage)
6005                                 manage_window(wins[j]);
6006                 }
6007                 /* transient windows */
6008                 for (j = 0; j < no; j++) {
6009                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6010                             wa.override_redirect)
6011                                 continue;
6012
6013                         state = getstate(wins[j]);
6014                         manage = state == IconicState;
6015                         if (XGetTransientForHint(display, wins[j], &d1) &&
6016                             manage)
6017                                 manage_window(wins[j]);
6018                 }
6019                 if (wins) {
6020                         XFree(wins);
6021                         wins = NULL;
6022                 }
6023         }
6024 }
6025
6026 void
6027 setup_screens(void)
6028 {
6029         int                     i, j, k;
6030         int                     errorbase, major, minor;
6031         struct workspace        *ws;
6032
6033         if ((screens = calloc(ScreenCount(display),
6034              sizeof(struct swm_screen))) == NULL)
6035                 errx(1, "calloc: screens");
6036
6037         /* initial Xrandr setup */
6038         xrandr_support = XRRQueryExtension(display,
6039             &xrandr_eventbase, &errorbase);
6040         if (xrandr_support)
6041                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6042                         xrandr_support = 0;
6043
6044         /* map physical screens */
6045         for (i = 0; i < ScreenCount(display); i++) {
6046                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6047                 screens[i].idx = i;
6048                 TAILQ_INIT(&screens[i].rl);
6049                 TAILQ_INIT(&screens[i].orl);
6050                 screens[i].root = RootWindow(display, i);
6051
6052                 /* set default colors */
6053                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6054                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6055                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6056                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6057                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6058
6059                 /* set default cursor */
6060                 XDefineCursor(display, screens[i].root,
6061                     XCreateFontCursor(display, XC_left_ptr));
6062
6063                 /* init all workspaces */
6064                 /* XXX these should be dynamically allocated too */
6065                 for (j = 0; j < SWM_WS_MAX; j++) {
6066                         ws = &screens[i].ws[j];
6067                         ws->idx = j;
6068                         ws->focus = NULL;
6069                         ws->r = NULL;
6070                         ws->old_r = NULL;
6071                         TAILQ_INIT(&ws->winlist);
6072                         TAILQ_INIT(&ws->unmanagedlist);
6073
6074                         for (k = 0; layouts[k].l_stack != NULL; k++)
6075                                 if (layouts[k].l_config != NULL)
6076                                         layouts[k].l_config(ws,
6077                                             SWM_ARG_ID_STACKINIT);
6078                         ws->cur_layout = &layouts[0];
6079                         ws->cur_layout->l_string(ws);
6080                 }
6081
6082                 scan_xrandr(i);
6083
6084                 if (xrandr_support)
6085                         XRRSelectInput(display, screens[i].root,
6086                             RRScreenChangeNotifyMask);
6087         }
6088 }
6089
6090 void
6091 setup_globals(void)
6092 {
6093         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6094             == NULL)
6095                 err(1, "setup_globals: strdup");
6096         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6097             == NULL)
6098                 err(1, "setup_globals: strdup");
6099         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6100             == NULL)
6101                 err(1, "setup_globals: strdup");
6102         if ((spawn_term[0] = strdup("xterm")) == NULL)
6103                 err(1, "setup_globals: strdup");
6104         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6105                 errx(1, "strdup");
6106 }
6107
6108 void
6109 workaround(void)
6110 {
6111         int                     i;
6112         Atom                    netwmcheck, netwmname, utf8_string;
6113         Window                  root, win;
6114
6115         /* work around sun jdk bugs, code from wmname */
6116         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6117         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6118         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6119         for (i = 0; i < ScreenCount(display); i++) {
6120                 root = screens[i].root;
6121                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6122                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6123                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6124
6125                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6126                     PropModeReplace, (unsigned char *)&win,1);
6127                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6128                     PropModeReplace, (unsigned char *)&win,1);
6129                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6130                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6131         }
6132 }
6133
6134 int
6135 main(int argc, char *argv[])
6136 {
6137         struct passwd           *pwd;
6138         struct swm_region       *r, *rr;
6139         struct ws_win           *winfocus = NULL;
6140         struct timeval          tv;
6141         union arg               a;
6142         char                    conf[PATH_MAX], *cfile = NULL;
6143         struct stat             sb;
6144         XEvent                  e;
6145         int                     xfd, i;
6146         fd_set                  rd;
6147         struct sigaction        sact;
6148
6149         start_argv = argv;
6150         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
6151             SWM_VERSION, cvstag);
6152         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
6153                 warnx("no locale support");
6154
6155         if (!(display = XOpenDisplay(0)))
6156                 errx(1, "can not open display");
6157
6158         if (active_wm())
6159                 errx(1, "other wm running");
6160
6161         /* handle some signals */
6162         bzero(&sact, sizeof(sact));
6163         sigemptyset(&sact.sa_mask);
6164         sact.sa_flags = 0;
6165         sact.sa_handler = sighdlr;
6166         sigaction(SIGINT, &sact, NULL);
6167         sigaction(SIGQUIT, &sact, NULL);
6168         sigaction(SIGTERM, &sact, NULL);
6169         sigaction(SIGHUP, &sact, NULL);
6170
6171         sact.sa_handler = sighdlr;
6172         sact.sa_flags = SA_NOCLDSTOP;
6173         sigaction(SIGCHLD, &sact, NULL);
6174
6175         astate = XInternAtom(display, "WM_STATE", False);
6176         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6177         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6178         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6179         a_wmname = XInternAtom(display, "WM_NAME", False);
6180         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6181         a_string = XInternAtom(display, "STRING", False);
6182         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6183
6184         /* look for local and global conf file */
6185         pwd = getpwuid(getuid());
6186         if (pwd == NULL)
6187                 errx(1, "invalid user %d", getuid());
6188
6189         setup_screens();
6190         setup_globals();
6191         setup_keys();
6192         setup_quirks();
6193         setup_spawn();
6194
6195         /* load config */
6196         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6197         if (stat(conf, &sb) != -1) {
6198                 if (S_ISREG(sb.st_mode))
6199                         cfile = conf;
6200         } else {
6201                 /* try global conf file */
6202                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6203                 if (!stat(conf, &sb))
6204                         if (S_ISREG(sb.st_mode))
6205                                 cfile = conf;
6206         }
6207         if (cfile)
6208                 conf_load(cfile);
6209
6210         setup_ewmh();
6211         /* set some values to work around bad programs */
6212         workaround();
6213         /* grab existing windows (before we build the bars) */
6214         grab_windows();
6215
6216         if (getenv("SWM_STARTED") == NULL)
6217                 setenv("SWM_STARTED", "YES", 1);
6218
6219         /* setup all bars */
6220         for (i = 0; i < ScreenCount(display); i++)
6221                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6222                         if (winfocus == NULL)
6223                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6224                         bar_setup(r);
6225                 }
6226
6227         unfocus_all();
6228
6229         grabkeys();
6230         stack();
6231         if (focus_mode == SWM_FOCUS_DEFAULT)
6232                 drain_enter_notify();
6233
6234         xfd = ConnectionNumber(display);
6235         while (running) {
6236                 while (XPending(display)) {
6237                         XNextEvent(display, &e);
6238                         if (running == 0)
6239                                 goto done;
6240                         if (e.type < LASTEvent) {
6241                                 dumpevent(&e);
6242                                 if (handler[e.type])
6243                                         handler[e.type](&e);
6244                                 else
6245                                         DNPRINTF(SWM_D_EVENT,
6246                                             "win: %lu unknown event: %d\n",
6247                                             e.xany.window, e.type);
6248                         } else {
6249                                 switch (e.type - xrandr_eventbase) {
6250                                 case RRScreenChangeNotify:
6251                                         screenchange(&e);
6252                                         break;
6253                                 default:
6254                                         DNPRINTF(SWM_D_EVENT,
6255                                             "win: %lu unknown xrandr event: "
6256                                             "%d\n", e.xany.window, e.type);
6257                                         break;
6258                                 }
6259                         }
6260                 }
6261
6262                 /* if we are being restarted go focus on first window */
6263                 if (winfocus) {
6264                         rr = winfocus->ws->r;
6265                         if (rr == NULL) {
6266                                 /* not a visible window */
6267                                 winfocus = NULL;
6268                                 continue;
6269                         }
6270                         /* move pointer to first screen if multi screen */
6271                         if (ScreenCount(display) > 1 || outputs > 1)
6272                                 XWarpPointer(display, None, rr->s[0].root,
6273                                     0, 0, 0, 0, rr->g.x,
6274                                     rr->g.y + (bar_enabled ? bar_height : 0));
6275
6276                         a.id = SWM_ARG_ID_FOCUSCUR;
6277                         focus(rr, &a);
6278                         winfocus = NULL;
6279                         continue;
6280                 }
6281
6282                 FD_ZERO(&rd);
6283                 FD_SET(xfd, &rd);
6284                 tv.tv_sec = 1;
6285                 tv.tv_usec = 0;
6286                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6287                         if (errno != EINTR)
6288                                 DNPRINTF(SWM_D_MISC, "select failed");
6289                 if (restart_wm == 1)
6290                         restart(NULL, NULL);
6291                 if (search_resp == 1)
6292                         search_do_resp();
6293                 if (running == 0)
6294                         goto done;
6295                 if (bar_alarm) {
6296                         bar_alarm = 0;
6297                         bar_update();
6298                 }
6299         }
6300 done:
6301         teardown_ewmh();
6302         bar_extra_stop();
6303         XFreeGC(display, bar_gc);
6304         XCloseDisplay(display);
6305
6306         return (0);
6307 }