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