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     "0.9.34"
  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 #define SWM_ARG_ID_WIDTHGROW    (90)
 424 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 425 #define SWM_ARG_ID_HEIGHTGROW   (92)
 426 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 427 #define SWM_ARG_ID_MOVEUP       (100)
 428 #define SWM_ARG_ID_MOVEDOWN     (101)
 429 #define SWM_ARG_ID_MOVELEFT     (102)
 430 #define SWM_ARG_ID_MOVERIGHT    (103)
 431         char                    **argv;
 432 };
 433
 434 void    focus(struct swm_region *, union arg *);
 435 void    focus_magic(struct ws_win *);
 436
 437 /* quirks */
 438 struct quirk {
 439         char                    *class;
 440         char                    *name;
 441         unsigned long           quirk;
 442 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 443 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 444 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 445 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 446 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 447 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 448 };
 449 int                             quirks_size = 0, quirks_length = 0;
 450 struct quirk                    *quirks = NULL;
 451
 452 /*
 453  * Supported EWMH hints should be added to
 454  * both the enum and the ewmh array
 455  */
 456 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 457     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 458     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 459     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 460     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 461     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 462     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 463     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 464     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 465     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 466     SWM_EWMH_HINT_MAX };
 467
 468 struct ewmh_hint {
 469         char    *name;
 470         Atom     atom;
 471 } ewmh[SWM_EWMH_HINT_MAX] =     {
 472     /* must be in same order as in the enum */
 473     {"_NET_ACTIVE_WINDOW", None},
 474     {"_NET_MOVERESIZE_WINDOW", None},
 475     {"_NET_CLOSE_WINDOW", None},
 476     {"_NET_WM_WINDOW_TYPE", None},
 477     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 478     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 479     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 480     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 481     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 482     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 483     {"_NET_WM_STATE", None},
 484     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 485     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 486     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 487     {"_NET_WM_STATE_SKIP_PAGER", None},
 488     {"_NET_WM_STATE_HIDDEN", None},
 489     {"_NET_WM_STATE_ABOVE", None},
 490     {"_SWM_WM_STATE_MANUAL", None},
 491     {"_NET_WM_STATE_FULLSCREEN", None},
 492     {"_NET_WM_ALLOWED_ACTIONS", None},
 493     {"_NET_WM_ACTION_MOVE", None},
 494     {"_NET_WM_ACTION_RESIZE", None},
 495     {"_NET_WM_ACTION_FULLSCREEN", None},
 496     {"_NET_WM_ACTION_CLOSE", None},
 497 };
 498
 499 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 500 int     floating_toggle_win(struct ws_win *win);
 501 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 502
 503 int
 504 get_property(Window id, Atom atom, long count, Atom type,
 505     unsigned long *n, unsigned char **data)
 506 {
 507         int                     format, status;
 508         unsigned long           tmp, extra;
 509         unsigned long           *nitems;
 510         Atom                    real;
 511
 512         nitems = n != NULL ? n : &tmp;
 513         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 514             &real, &format, nitems, &extra, data);
 515
 516         if (status != Success)
 517                 return False;
 518         if (real != type)
 519                 return False;
 520
 521         return True;
 522 }
 523
 524 void
 525 update_iconic(struct ws_win *win, int newv)
 526 {
 527         int32_t v = newv;
 528         Atom iprop;
 529
 530         win->iconic = newv;
 531
 532         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 533         if (!iprop)
 534                 return;
 535         if (newv)
 536                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 537                     PropModeReplace, (unsigned char *)&v, 1);
 538         else
 539                 XDeleteProperty(display, win->id, iprop);
 540 }
 541
 542 int
 543 get_iconic(struct ws_win *win)
 544 {
 545         int32_t v = 0;
 546         int retfmt, status;
 547         Atom iprop, rettype;
 548         unsigned long nitems, extra;
 549         unsigned char *prop = NULL;
 550
 551         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 552         if (!iprop)
 553                 goto out;
 554         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 555             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 556         if (status != Success)
 557                 goto out;
 558         if (rettype != XA_INTEGER || retfmt != 32)
 559                 goto out;
 560         if (nitems != 1)
 561                 goto out;
 562         v = *((int32_t *)prop);
 563
 564 out:
 565         if (prop != NULL)
 566                 XFree(prop);
 567         return (v);
 568 }
 569
 570 void
 571 setup_ewmh(void)
 572 {
 573         int                     i,j;
 574         Atom                    sup_list;
 575
 576         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 577
 578         for (i = 0; i < LENGTH(ewmh); i++)
 579                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 580
 581         for (i = 0; i < ScreenCount(display); i++) {
 582                 /* Support check window will be created by workaround(). */
 583
 584                 /* Report supported atoms */
 585                 XDeleteProperty(display, screens[i].root, sup_list);
 586                 for (j = 0; j < LENGTH(ewmh); j++)
 587                         XChangeProperty(display, screens[i].root,
 588                             sup_list, XA_ATOM, 32,
 589                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 590         }
 591 }
 592
 593 void
 594 teardown_ewmh(void)
 595 {
 596         int                     i, success;
 597         unsigned char           *data = NULL;
 598         unsigned long           n;
 599         Atom                    sup_check, sup_list;
 600         Window                  id;
 601
 602         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 603         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 604
 605         for (i = 0; i < ScreenCount(display); i++) {
 606                 /* Get the support check window and destroy it */
 607                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 608                     &n, &data);
 609
 610                 if (success) {
 611                         id = data[0];
 612                         XDestroyWindow(display, id);
 613                         XDeleteProperty(display, screens[i].root, sup_check);
 614                         XDeleteProperty(display, screens[i].root, sup_list);
 615                 }
 616
 617                 XFree(data);
 618         }
 619 }
 620
 621 void
 622 ewmh_autoquirk(struct ws_win *win)
 623 {
 624         int                     success, i;
 625         unsigned long           *data = NULL, n;
 626         Atom                    type;
 627
 628         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 629             XA_ATOM, &n, (void *)&data);
 630
 631         if (!success) {
 632                 XFree(data);
 633                 return;
 634         }
 635
 636         for (i = 0; i < n; i++) {
 637                 type = data[i];
 638                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 639                         break;
 640                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 641                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 642                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 643                         win->floating = 1;
 644                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 645                         break;
 646                 }
 647                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 648                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 649                         win->floating = 1;
 650                         win->quirks = SWM_Q_FLOAT;
 651                         break;
 652                 }
 653         }
 654
 655         XFree(data);
 656 }
 657
 658 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 659 #define EWMH_F_FULLSCREEN               (1<<0)
 660 #define EWMH_F_ABOVE                    (1<<1)
 661 #define EWMH_F_HIDDEN                   (1<<2)
 662 #define EWMH_F_SKIP_PAGER               (1<<3)
 663 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 664 #define SWM_F_MANUAL                    (1<<5)
 665
 666 int
 667 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 668 {
 669         struct swm_geometry     rg;
 670
 671         if (!win->ws->r)
 672                 return 0;
 673
 674         if (!win->floating)
 675                 return 0;
 676
 677         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 678             win->id, fs);
 679
 680         rg = win->ws->r->g;
 681
 682         if (fs) {
 683                 store_float_geom(win, win->ws->r);
 684
 685                 win->g.x = rg.x;
 686                 win->g.y = rg.y;
 687                 win->g.w = rg.w;
 688                 win->g.h = rg.h;
 689         } else {
 690                 if (win->g_floatvalid) {
 691                         /* refloat at last floating relative position */
 692                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 693                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 694                         win->g.w = win->g_float.w;
 695                         win->g.h = win->g_float.h;
 696                 }
 697         }
 698
 699         return 1;
 700 }
 701
 702 void
 703 ewmh_update_actions(struct ws_win *win)
 704 {
 705         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 706         int                     n = 0;
 707
 708         if (win == NULL)
 709                 return;
 710
 711         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 712
 713         if (win->floating) {
 714                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 715                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 716         }
 717
 718         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 719             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 720 }
 721
 722 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 723 #define _NET_WM_STATE_ADD       1    /* add/set property */
 724 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 725
 726 void
 727 ewmh_update_win_state(struct ws_win *win, long state, long action)
 728 {
 729         unsigned int            mask = 0;
 730         unsigned int            changed = 0;
 731         unsigned int            orig_flags;
 732
 733         if (win == NULL)
 734                 return;
 735
 736         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 737                 mask = EWMH_F_FULLSCREEN;
 738         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 739                 mask = EWMH_F_ABOVE;
 740         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 741                 mask = SWM_F_MANUAL;
 742         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 743                 mask = EWMH_F_SKIP_PAGER;
 744         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 745                 mask = EWMH_F_SKIP_TASKBAR;
 746
 747
 748         orig_flags = win->ewmh_flags;
 749
 750         switch (action) {
 751         case _NET_WM_STATE_REMOVE:
 752                 win->ewmh_flags &= ~mask;
 753                 break;
 754         case _NET_WM_STATE_ADD:
 755                 win->ewmh_flags |= mask;
 756                 break;
 757         case _NET_WM_STATE_TOGGLE:
 758                 win->ewmh_flags ^= mask;
 759                 break;
 760         }
 761
 762         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 763
 764         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 765                 if (changed)
 766                         if (!floating_toggle_win(win))
 767                                 win->ewmh_flags = orig_flags; /* revert */
 768         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 769                 if (changed)
 770                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 771         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 772                 if (changed)
 773                         if (!ewmh_set_win_fullscreen(win,
 774                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 775                                 win->ewmh_flags = orig_flags; /* revert */
 776
 777         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 778
 779         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 780                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 781                     XA_ATOM, 32, PropModeAppend,
 782                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 783         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 784                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 785                     XA_ATOM, 32, PropModeAppend,
 786                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 787         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 788                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 789                     XA_ATOM, 32, PropModeAppend,
 790                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 791         if (win->ewmh_flags & EWMH_F_ABOVE)
 792                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 793                     XA_ATOM, 32, PropModeAppend,
 794                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 795         if (win->ewmh_flags & SWM_F_MANUAL)
 796                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 797                     XA_ATOM, 32, PropModeAppend,
 798                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 799 }
 800
 801 void
 802 ewmh_get_win_state(struct ws_win *win)
 803 {
 804         int                     success, i;
 805         unsigned long           n;
 806         Atom                    *states;
 807
 808         if (win == NULL)
 809                 return;
 810
 811         win->ewmh_flags = 0;
 812         if (win->floating)
 813                 win->ewmh_flags |= EWMH_F_ABOVE;
 814         if (win->manual)
 815                 win->ewmh_flags |= SWM_F_MANUAL;
 816
 817         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 818             (~0L), XA_ATOM, &n, (void *)&states);
 819
 820         if (!success)
 821                 return;
 822
 823         for (i = 0; i < n; i++)
 824                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 825
 826         XFree(states);
 827 }
 828
 829 /* events */
 830 #ifdef SWM_DEBUG
 831 void
 832 dumpevent(XEvent *e)
 833 {
 834         char                    *name = NULL;
 835
 836         switch (e->type) {
 837         case KeyPress:
 838                 name = "KeyPress";
 839                 break;
 840         case KeyRelease:
 841                 name = "KeyRelease";
 842                 break;
 843         case ButtonPress:
 844                 name = "ButtonPress";
 845                 break;
 846         case ButtonRelease:
 847                 name = "ButtonRelease";
 848                 break;
 849         case MotionNotify:
 850                 name = "MotionNotify";
 851                 break;
 852         case EnterNotify:
 853                 name = "EnterNotify";
 854                 break;
 855         case LeaveNotify:
 856                 name = "LeaveNotify";
 857                 break;
 858         case FocusIn:
 859                 name = "FocusIn";
 860                 break;
 861         case FocusOut:
 862                 name = "FocusOut";
 863                 break;
 864         case KeymapNotify:
 865                 name = "KeymapNotify";
 866                 break;
 867         case Expose:
 868                 name = "Expose";
 869                 break;
 870         case GraphicsExpose:
 871                 name = "GraphicsExpose";
 872                 break;
 873         case NoExpose:
 874                 name = "NoExpose";
 875                 break;
 876         case VisibilityNotify:
 877                 name = "VisibilityNotify";
 878                 break;
 879         case CreateNotify:
 880                 name = "CreateNotify";
 881                 break;
 882         case DestroyNotify:
 883                 name = "DestroyNotify";
 884                 break;
 885         case UnmapNotify:
 886                 name = "UnmapNotify";
 887                 break;
 888         case MapNotify:
 889                 name = "MapNotify";
 890                 break;
 891         case MapRequest:
 892                 name = "MapRequest";
 893                 break;
 894         case ReparentNotify:
 895                 name = "ReparentNotify";
 896                 break;
 897         case ConfigureNotify:
 898                 name = "ConfigureNotify";
 899                 break;
 900         case ConfigureRequest:
 901                 name = "ConfigureRequest";
 902                 break;
 903         case GravityNotify:
 904                 name = "GravityNotify";
 905                 break;
 906         case ResizeRequest:
 907                 name = "ResizeRequest";
 908                 break;
 909         case CirculateNotify:
 910                 name = "CirculateNotify";
 911                 break;
 912         case CirculateRequest:
 913                 name = "CirculateRequest";
 914                 break;
 915         case PropertyNotify:
 916                 name = "PropertyNotify";
 917                 break;
 918         case SelectionClear:
 919                 name = "SelectionClear";
 920                 break;
 921         case SelectionRequest:
 922                 name = "SelectionRequest";
 923                 break;
 924         case SelectionNotify:
 925                 name = "SelectionNotify";
 926                 break;
 927         case ColormapNotify:
 928                 name = "ColormapNotify";
 929                 break;
 930         case ClientMessage:
 931                 name = "ClientMessage";
 932                 break;
 933         case MappingNotify:
 934                 name = "MappingNotify";
 935                 break;
 936         }
 937
 938         if (name)
 939                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 940                     "remaining\n",
 941                     e->xany.window, name, e->type, QLength(display));
 942         else
 943                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 944                     "remaining\n",
 945                     e->xany.window, e->type, QLength(display));
 946 }
 947
 948 void
 949 dumpwins(struct swm_region *r, union arg *args)
 950 {
 951         struct ws_win           *win;
 952         unsigned int            state;
 953         XWindowAttributes       wa;
 954
 955         if (r->ws == NULL) {
 956                 fprintf(stderr, "invalid workspace\n");
 957                 return;
 958         }
 959
 960         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 961
 962         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 963                 state = getstate(win->id);
 964                 if (!XGetWindowAttributes(display, win->id, &wa))
 965                         fprintf(stderr, "window: %lu failed "
 966                             "XGetWindowAttributes\n", win->id);
 967                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 968                     "transient: %lu\n",
 969                     win->id, wa.map_state, state, win->transient);
 970         }
 971
 972         fprintf(stderr, "===== unmanaged window list =====\n");
 973         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 974                 state = getstate(win->id);
 975                 if (!XGetWindowAttributes(display, win->id, &wa))
 976                         fprintf(stderr, "window: %lu failed "
 977                             "XGetWindowAttributes\n", win->id);
 978                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 979                     "transient: %lu\n",
 980                     win->id, wa.map_state, state, win->transient);
 981         }
 982
 983         fprintf(stderr, "=================================\n");
 984 }
 985 #else
 986 #define dumpevent(e)
 987 void
 988 dumpwins(struct swm_region *r, union arg *args)
 989 {
 990 }
 991 #endif /* SWM_DEBUG */
 992
 993 void                    expose(XEvent *);
 994 void                    keypress(XEvent *);
 995 void                    buttonpress(XEvent *);
 996 void                    configurerequest(XEvent *);
 997 void                    configurenotify(XEvent *);
 998 void                    destroynotify(XEvent *);
 999 void                    enternotify(XEvent *);
1000 void                    focusevent(XEvent *);
1001 void                    mapnotify(XEvent *);
1002 void                    mappingnotify(XEvent *);
1003 void                    maprequest(XEvent *);
1004 void                    propertynotify(XEvent *);
1005 void                    unmapnotify(XEvent *);
1006 void                    visibilitynotify(XEvent *);
1007 void                    clientmessage(XEvent *);
1008
1009 void                    (*handler[LASTEvent])(XEvent *) = {
1010                                 [Expose] = expose,
1011                                 [KeyPress] = keypress,
1012                                 [ButtonPress] = buttonpress,
1013                                 [ConfigureRequest] = configurerequest,
1014                                 [ConfigureNotify] = configurenotify,
1015                                 [DestroyNotify] = destroynotify,
1016                                 [EnterNotify] = enternotify,
1017                                 [FocusIn] = focusevent,
1018                                 [FocusOut] = focusevent,
1019                                 [MapNotify] = mapnotify,
1020                                 [MappingNotify] = mappingnotify,
1021                                 [MapRequest] = maprequest,
1022                                 [PropertyNotify] = propertynotify,
1023                                 [UnmapNotify] = unmapnotify,
1024                                 [VisibilityNotify] = visibilitynotify,
1025                                 [ClientMessage] = clientmessage,
1026 };
1027
1028 void
1029 sighdlr(int sig)
1030 {
1031         int                     saved_errno, status;
1032         pid_t                   pid;
1033
1034         saved_errno = errno;
1035
1036         switch (sig) {
1037         case SIGCHLD:
1038                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1039                         if (pid == -1) {
1040                                 if (errno == EINTR)
1041                                         continue;
1042 #ifdef SWM_DEBUG
1043                                 if (errno != ECHILD)
1044                                         warn("sighdlr: waitpid");
1045 #endif /* SWM_DEBUG */
1046                                 break;
1047                         }
1048                         if (pid == searchpid)
1049                                 search_resp = 1;
1050
1051 #ifdef SWM_DEBUG
1052                         if (WIFEXITED(status)) {
1053                                 if (WEXITSTATUS(status) != 0)
1054                                         warnx("sighdlr: child exit status: %d",
1055                                             WEXITSTATUS(status));
1056                         } else
1057                                 warnx("sighdlr: child is terminated "
1058                                     "abnormally");
1059 #endif /* SWM_DEBUG */
1060                 }
1061                 break;
1062
1063         case SIGHUP:
1064                 restart_wm = 1;
1065                 break;
1066         case SIGINT:
1067         case SIGTERM:
1068         case SIGQUIT:
1069                 running = 0;
1070                 break;
1071         }
1072
1073         errno = saved_errno;
1074 }
1075
1076 struct pid_e *
1077 find_pid(long pid)
1078 {
1079         struct pid_e            *p = NULL;
1080
1081         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1082
1083         if (pid == 0)
1084                 return (NULL);
1085
1086         TAILQ_FOREACH(p, &pidlist, entry) {
1087                 if (p->pid == pid)
1088                         return (p);
1089         }
1090
1091         return (NULL);
1092 }
1093
1094 unsigned long
1095 name_to_color(char *colorname)
1096 {
1097         Colormap                cmap;
1098         Status                  status;
1099         XColor                  screen_def, exact_def;
1100         unsigned long           result = 0;
1101         char                    cname[32] = "#";
1102
1103         cmap = DefaultColormap(display, screens[0].idx);
1104         status = XAllocNamedColor(display, cmap, colorname,
1105             &screen_def, &exact_def);
1106         if (!status) {
1107                 strlcat(cname, colorname + 2, sizeof cname - 1);
1108                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1109                     &exact_def);
1110         }
1111         if (status)
1112                 result = screen_def.pixel;
1113         else
1114                 fprintf(stderr, "color '%s' not found.\n", colorname);
1115
1116         return (result);
1117 }
1118
1119 void
1120 setscreencolor(char *val, int i, int c)
1121 {
1122         if (i > 0 && i <= ScreenCount(display)) {
1123                 screens[i - 1].c[c].color = name_to_color(val);
1124                 free(screens[i - 1].c[c].name);
1125                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1126                         errx(1, "strdup");
1127         } else if (i == -1) {
1128                 for (i = 0; i < ScreenCount(display); i++) {
1129                         screens[i].c[c].color = name_to_color(val);
1130                         free(screens[i].c[c].name);
1131                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1132                                 errx(1, "strdup");
1133                 }
1134         } else
1135                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1136                     i, ScreenCount(display));
1137 }
1138
1139 void
1140 fancy_stacker(struct workspace *ws)
1141 {
1142         strcpy(ws->stacker, "[   ]");
1143         if (ws->cur_layout->l_stack == vertical_stack)
1144                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1145                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1146         if (ws->cur_layout->l_stack == horizontal_stack)
1147                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1148                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1149 }
1150
1151 void
1152 plain_stacker(struct workspace *ws)
1153 {
1154         strcpy(ws->stacker, "[ ]");
1155         if (ws->cur_layout->l_stack == vertical_stack)
1156                 strcpy(ws->stacker, "[|]");
1157         if (ws->cur_layout->l_stack == horizontal_stack)
1158                 strcpy(ws->stacker, "[-]");
1159 }
1160
1161 void
1162 custom_region(char *val)
1163 {
1164         unsigned int                    sidx, x, y, w, h;
1165
1166         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1167                 errx(1, "invalid custom region, "
1168                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1169         if (sidx < 1 || sidx > ScreenCount(display))
1170                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1171                     sidx, ScreenCount(display));
1172         sidx--;
1173
1174         if (w < 1 || h < 1)
1175                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1176
1177         if (x > DisplayWidth(display, sidx) ||
1178             y > DisplayHeight(display, sidx) ||
1179             w + x > DisplayWidth(display, sidx) ||
1180             h + y > DisplayHeight(display, sidx)) {
1181                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1182                     "- not within screen boundaries "
1183                     "(%ux%u)\n", w, h, x, y,
1184                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1185                 return;
1186         }
1187
1188         new_region(&screens[sidx], x, y, w, h);
1189 }
1190
1191 void
1192 socket_setnonblock(int fd)
1193 {
1194         int                     flags;
1195
1196         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1197                 err(1, "fcntl F_GETFL");
1198         flags |= O_NONBLOCK;
1199         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1200                 err(1, "fcntl F_SETFL");
1201 }
1202
1203 void
1204 bar_print(struct swm_region *r, char *s)
1205 {
1206         XClearWindow(display, r->bar_window);
1207         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1208         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1209             strlen(s));
1210 }
1211
1212 void
1213 bar_extra_stop(void)
1214 {
1215         if (bar_pipe[0]) {
1216                 close(bar_pipe[0]);
1217                 bzero(bar_pipe, sizeof bar_pipe);
1218         }
1219         if (bar_pid) {
1220                 kill(bar_pid, SIGTERM);
1221                 bar_pid = 0;
1222         }
1223         strlcpy(bar_ext, "", sizeof bar_ext);
1224         bar_extra = 0;
1225 }
1226
1227 void
1228 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1229 {
1230         int                     do_class, do_name;
1231         Status                  status;
1232         XClassHint              *xch = NULL;
1233
1234         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1235             cur_focus != NULL) {
1236                 if ((xch = XAllocClassHint()) == NULL)
1237                         goto out;
1238                 status = XGetClassHint(display, cur_focus->id, xch);
1239                 if (status == BadWindow || status == BadAlloc)
1240                         goto out;
1241                 do_class = (title_class_enabled && xch->res_class != NULL);
1242                 do_name = (title_name_enabled && xch->res_name != NULL);
1243                 if (do_class)
1244                         strlcat(s, xch->res_class, sz);
1245                 if (do_class && do_name)
1246                         strlcat(s, ":", sz);
1247                 if (do_name)
1248                         strlcat(s, xch->res_name, sz);
1249                 strlcat(s, "    ", sz);
1250         }
1251 out:
1252         if (xch)
1253                 XFree(xch);
1254 }
1255
1256 void
1257 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1258 {
1259         char                    *title;
1260
1261         if (window_name_enabled && cur_focus != NULL) {
1262                 XFetchName(display, cur_focus->id, &title);
1263                 if (title) {
1264                         if (cur_focus->floating)
1265                                 strlcat(s, "(f) ", sz);
1266                         strlcat(s, title, sz);
1267                         strlcat(s, " ", sz);
1268                         XFree(title);
1269                 }
1270         }
1271 }
1272
1273 int             urgent[SWM_WS_MAX];
1274 void
1275 bar_urgent(char *s, ssize_t sz)
1276 {
1277         XWMHints                *wmh = NULL;
1278         struct ws_win           *win;
1279         int                     i, j;
1280         char                    b[8];
1281
1282         if (urgent_enabled == 0)
1283                 return;
1284
1285         for (i = 0; i < SWM_WS_MAX; i++)
1286                 urgent[i] = 0;
1287
1288         for (i = 0; i < ScreenCount(display); i++)
1289                 for (j = 0; j < SWM_WS_MAX; j++)
1290                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1291                                 wmh = XGetWMHints(display, win->id);
1292                                 if (wmh == NULL)
1293                                         continue;
1294
1295                                 if (wmh->flags & XUrgencyHint)
1296                                         urgent[j] = 1;
1297                                 XFree(wmh);
1298                         }
1299
1300         strlcat(s, "* ", sz);
1301         for (i = 0; i < SWM_WS_MAX; i++) {
1302                 if (urgent[i])
1303                         snprintf(b, sizeof b, "%d ", i + 1);
1304                 else
1305                         snprintf(b, sizeof b, "- ");
1306                 strlcat(s, b, sz);
1307         }
1308         strlcat(s, "*    ", sz);
1309 }
1310
1311 void
1312 bar_update(void)
1313 {
1314         time_t                  tmt;
1315         struct tm               tm;
1316         struct swm_region       *r;
1317         int                     i, x;
1318         size_t                  len;
1319         char                    s[SWM_BAR_MAX];
1320         char                    cn[SWM_BAR_MAX];
1321         char                    loc[SWM_BAR_MAX];
1322         char                    *b;
1323
1324         if (bar_enabled == 0)
1325                 return;
1326         if (bar_extra && bar_extra_running) {
1327                 /* ignore short reads; it'll correct itself */
1328                 while ((b = fgetln(stdin, &len)) != NULL)
1329                         if (b && b[len - 1] == '\n') {
1330                                 b[len - 1] = '\0';
1331                                 strlcpy(bar_ext, b, sizeof bar_ext);
1332                         }
1333                 if (b == NULL && errno != EAGAIN) {
1334                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1335                             errno, strerror(errno));
1336                         bar_extra_stop();
1337                 }
1338         } else
1339                 strlcpy(bar_ext, "", sizeof bar_ext);
1340
1341         if (clock_enabled == 0)
1342                 strlcpy(s, "", sizeof s);
1343         else {
1344                 time(&tmt);
1345                 localtime_r(&tmt, &tm);
1346                 strftime(s, sizeof s, clock_format, &tm);
1347                 strlcat(s, "    ", sizeof s);
1348         }
1349
1350         for (i = 0; i < ScreenCount(display); i++) {
1351                 x = 1;
1352                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1353                         strlcpy(cn, "", sizeof cn);
1354                         if (r && r->ws) {
1355                                 bar_urgent(cn, sizeof cn);
1356                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1357                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1358                         }
1359
1360                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1361                             x++, r->ws->idx + 1, r->ws->stacker, s, cn, bar_ext,
1362                             bar_vertext);
1363                         bar_print(r, loc);
1364                 }
1365         }
1366         alarm(bar_delay);
1367 }
1368
1369 void
1370 bar_signal(int sig)
1371 {
1372         bar_alarm = 1;
1373 }
1374
1375 void
1376 bar_toggle(struct swm_region *r, union arg *args)
1377 {
1378         struct swm_region       *tmpr;
1379         int                     i, sc = ScreenCount(display);
1380
1381         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1382
1383         if (bar_enabled)
1384                 for (i = 0; i < sc; i++)
1385                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1386                                 XUnmapWindow(display, tmpr->bar_window);
1387         else
1388                 for (i = 0; i < sc; i++)
1389                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1390                                 XMapRaised(display, tmpr->bar_window);
1391
1392         bar_enabled = !bar_enabled;
1393
1394         stack();
1395         /* must be after stack */
1396         bar_update();
1397 }
1398
1399 void
1400 bar_refresh(void)
1401 {
1402         XSetWindowAttributes    wa;
1403         struct swm_region       *r;
1404         int                     i;
1405
1406         /* do this here because the conf file is in memory */
1407         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1408                 /* launch external status app */
1409                 bar_extra_running = 1;
1410                 if (pipe(bar_pipe) == -1)
1411                         err(1, "pipe error");
1412                 socket_setnonblock(bar_pipe[0]);
1413                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1414                 if (dup2(bar_pipe[0], 0) == -1)
1415                         errx(1, "dup2");
1416                 if (dup2(bar_pipe[1], 1) == -1)
1417                         errx(1, "dup2");
1418                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1419                         err(1, "could not disable SIGPIPE");
1420                 switch (bar_pid = fork()) {
1421                 case -1:
1422                         err(1, "cannot fork");
1423                         break;
1424                 case 0: /* child */
1425                         close(bar_pipe[0]);
1426                         execvp(bar_argv[0], bar_argv);
1427                         err(1, "%s external app failed", bar_argv[0]);
1428                         break;
1429                 default: /* parent */
1430                         close(bar_pipe[1]);
1431                         break;
1432                 }
1433         }
1434
1435         bzero(&wa, sizeof wa);
1436         for (i = 0; i < ScreenCount(display); i++)
1437                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1438                         wa.border_pixel =
1439                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1440                         wa.background_pixel =
1441                             screens[i].c[SWM_S_COLOR_BAR].color;
1442                         XChangeWindowAttributes(display, r->bar_window,
1443                             CWBackPixel | CWBorderPixel, &wa);
1444                 }
1445         bar_update();
1446 }
1447
1448 void
1449 bar_setup(struct swm_region *r)
1450 {
1451         int                     i, x, y;
1452
1453         if (bar_fs) {
1454                 XFreeFont(display, bar_fs);
1455                 bar_fs = NULL;
1456         }
1457
1458         for (i = 0; bar_fonts[i] != NULL; i++) {
1459                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1460                 if (bar_fs) {
1461                         bar_fidx = i;
1462                         break;
1463                 }
1464         }
1465         if (bar_fonts[i] == NULL)
1466                         errx(1, "couldn't load font");
1467         if (bar_fs == NULL)
1468                 errx(1, "couldn't create font structure");
1469
1470         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1471             2 * bar_border_width;
1472         x = X(r);
1473         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1474
1475         r->bar_window = XCreateSimpleWindow(display,
1476             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1477             bar_height - 2 * bar_border_width,
1478             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1479             r->s->c[SWM_S_COLOR_BAR].color);
1480         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1481         XSetFont(display, bar_gc, bar_fs->fid);
1482         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1483         if (bar_enabled)
1484                 XMapRaised(display, r->bar_window);
1485         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1486
1487         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1488                 err(1, "could not install bar_signal");
1489         bar_refresh();
1490 }
1491
1492 void
1493 drain_enter_notify(void)
1494 {
1495         int                     i = 0;
1496         XEvent                  cne;
1497
1498         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1499                 i++;
1500
1501         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1502 }
1503
1504 void
1505 set_win_state(struct ws_win *win, long state)
1506 {
1507         long                    data[] = {state, None};
1508
1509         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1510
1511         if (win == NULL)
1512                 return;
1513
1514         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1515             (unsigned char *)data, 2);
1516 }
1517
1518 long
1519 getstate(Window w)
1520 {
1521         long                    result = -1;
1522         unsigned char           *p = NULL;
1523         unsigned long           n;
1524
1525         if (!get_property(w, astate, 2L, astate, &n, &p))
1526                 return (-1);
1527         if (n != 0)
1528                 result = *((long *)p);
1529         XFree(p);
1530         return (result);
1531 }
1532
1533 void
1534 version(struct swm_region *r, union arg *args)
1535 {
1536         bar_version = !bar_version;
1537         if (bar_version)
1538                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1539                     SWM_VERSION, cvstag);
1540         else
1541                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1542         bar_update();
1543 }
1544
1545 void
1546 client_msg(struct ws_win *win, Atom a)
1547 {
1548         XClientMessageEvent     cm;
1549
1550         if (win == NULL)
1551                 return;
1552
1553         bzero(&cm, sizeof cm);
1554         cm.type = ClientMessage;
1555         cm.window = win->id;
1556         cm.message_type = aprot;
1557         cm.format = 32;
1558         cm.data.l[0] = a;
1559         cm.data.l[1] = CurrentTime;
1560         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1561 }
1562
1563 void
1564 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1565 {
1566         XConfigureEvent         ce;
1567
1568         if (win == NULL)
1569                 return;
1570
1571         if (ev == NULL) {
1572                 DNPRINTF(SWM_D_MISC,
1573                     "config_win: win %lu x %d y %d w %d h %d\n",
1574                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1575
1576                 ce.type = ConfigureNotify;
1577                 ce.display = display;
1578                 ce.event = win->id;
1579                 ce.window = win->id;
1580                 ce.x = win->g.x;
1581                 ce.y = win->g.y;
1582                 ce.width = win->g.w;
1583                 ce.height = win->g.h;
1584                 ce.border_width = border_width;
1585                 ce.above = None;
1586                 ce.override_redirect = False;
1587         } else {
1588                 DNPRINTF(SWM_D_MISC,
1589                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1590                     ev->window, ev->x, ev->y, ev->width, ev->height);
1591                 ce.type = ConfigureNotify;
1592                 ce.display = ev->display;
1593                 ce.event = ev->window;
1594                 ce.window = ev->window;
1595                 ce.x = ev->x;
1596                 ce.y = ev->y;
1597                 ce.width = ev->width;
1598                 ce.height = ev->height;
1599                 ce.border_width = ev->border_width;
1600                 ce.above = ev->above;
1601                 ce.override_redirect = False;
1602         }
1603
1604         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1605 }
1606
1607 int
1608 count_win(struct workspace *ws, int count_transient)
1609 {
1610         struct ws_win           *win;
1611         int                     count = 0;
1612
1613         TAILQ_FOREACH(win, &ws->winlist, entry) {
1614                 if (count_transient == 0 && win->floating)
1615                         continue;
1616                 if (count_transient == 0 && win->transient)
1617                         continue;
1618                 if (win->iconic)
1619                         continue;
1620                 count++;
1621         }
1622         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1623
1624         return (count);
1625 }
1626
1627 void
1628 quit(struct swm_region *r, union arg *args)
1629 {
1630         DNPRINTF(SWM_D_MISC, "quit\n");
1631         running = 0;
1632 }
1633
1634 void
1635 unmap_window(struct ws_win *win)
1636 {
1637         if (win == NULL)
1638                 return;
1639
1640         /* don't unmap again */
1641         if (getstate(win->id) == IconicState)
1642                 return;
1643
1644         set_win_state(win, IconicState);
1645
1646         XUnmapWindow(display, win->id);
1647         XSetWindowBorder(display, win->id,
1648             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1649 }
1650
1651 void
1652 unmap_all(void)
1653 {
1654         struct ws_win           *win;
1655         int                     i, j;
1656
1657         for (i = 0; i < ScreenCount(display); i++)
1658                 for (j = 0; j < SWM_WS_MAX; j++)
1659                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1660                                 unmap_window(win);
1661 }
1662
1663 void
1664 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1665 {
1666         XKeyEvent event;
1667
1668         if (win == NULL)
1669                 return;
1670
1671         event.display = display;        /* Ignored, but what the hell */
1672         event.window = win->id;
1673         event.root = win->s->root;
1674         event.subwindow = None;
1675         event.time = CurrentTime;
1676         event.x = win->g.x;
1677         event.y = win->g.y;
1678         event.x_root = 1;
1679         event.y_root = 1;
1680         event.same_screen = True;
1681         event.keycode = XKeysymToKeycode(display, keysym);
1682         event.state = modifiers;
1683
1684         event.type = KeyPress;
1685         XSendEvent(event.display, event.window, True,
1686             KeyPressMask, (XEvent *)&event);
1687
1688         event.type = KeyRelease;
1689         XSendEvent(event.display, event.window, True,
1690             KeyPressMask, (XEvent *)&event);
1691
1692 }
1693
1694 void
1695 restart(struct swm_region *r, union arg *args)
1696 {
1697         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1698
1699         /* disable alarm because the following code may not be interrupted */
1700         alarm(0);
1701         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1702                 errx(1, "can't disable alarm");
1703
1704         bar_extra_stop();
1705         bar_extra = 1;
1706         unmap_all();
1707         XCloseDisplay(display);
1708         execvp(start_argv[0], start_argv);
1709         fprintf(stderr, "execvp failed\n");
1710         perror(" failed");
1711         quit(NULL, NULL);
1712 }
1713
1714 struct swm_region *
1715 root_to_region(Window root)
1716 {
1717         struct swm_region       *r = NULL;
1718         Window                  rr, cr;
1719         int                     i, x, y, wx, wy;
1720         unsigned int            mask;
1721
1722         for (i = 0; i < ScreenCount(display); i++)
1723                 if (screens[i].root == root)
1724                         break;
1725
1726         if (XQueryPointer(display, screens[i].root,
1727             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1728                 /* choose a region based on pointer location */
1729                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1730                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1731                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1732                                 break;
1733         }
1734
1735         if (r == NULL)
1736                 r = TAILQ_FIRST(&screens[i].rl);
1737
1738         return (r);
1739 }
1740
1741 struct ws_win *
1742 find_unmanaged_window(Window id)
1743 {
1744         struct ws_win           *win;
1745         int                     i, j;
1746
1747         for (i = 0; i < ScreenCount(display); i++)
1748                 for (j = 0; j < SWM_WS_MAX; j++)
1749                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1750                             entry)
1751                                 if (id == win->id)
1752                                         return (win);
1753         return (NULL);
1754 }
1755
1756 struct ws_win *
1757 find_window(Window id)
1758 {
1759         struct ws_win           *win;
1760         Window                  wrr, wpr, *wcr = NULL;
1761         int                     i, j;
1762         unsigned int            nc;
1763
1764         for (i = 0; i < ScreenCount(display); i++)
1765                 for (j = 0; j < SWM_WS_MAX; j++)
1766                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1767                                 if (id == win->id)
1768                                         return (win);
1769
1770         /* if we were looking for the parent return that window instead */
1771         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1772                 return (NULL);
1773         if (wcr)
1774                 XFree(wcr);
1775
1776         /* ignore not found and root */
1777         if (wpr == 0 || wrr == wpr)
1778                 return (NULL);
1779
1780         /* look for parent */
1781         for (i = 0; i < ScreenCount(display); i++)
1782                 for (j = 0; j < SWM_WS_MAX; j++)
1783                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1784                                 if (wpr == win->id)
1785                                         return (win);
1786
1787         return (NULL);
1788 }
1789
1790 void
1791 spawn(int ws_idx, union arg *args, int close_fd)
1792 {
1793         int                     fd;
1794         char                    *ret = NULL;
1795
1796         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1797
1798         if (display)
1799                 close(ConnectionNumber(display));
1800
1801         setenv("LD_PRELOAD", SWM_LIB, 1);
1802
1803         if (asprintf(&ret, "%d", ws_idx) == -1) {
1804                 perror("_SWM_WS");
1805                 _exit(1);
1806         }
1807         setenv("_SWM_WS", ret, 1);
1808         free(ret);
1809         ret = NULL;
1810
1811         if (asprintf(&ret, "%d", getpid()) == -1) {
1812                 perror("_SWM_PID");
1813                 _exit(1);
1814         }
1815         setenv("_SWM_PID", ret, 1);
1816         free(ret);
1817         ret = NULL;
1818
1819         if (setsid() == -1) {
1820                 perror("setsid");
1821                 _exit(1);
1822         }
1823
1824         if (close_fd) {
1825                 /*
1826                  * close stdin and stdout to prevent interaction between apps
1827                  * and the baraction script
1828                  * leave stderr open to record errors
1829                 */
1830                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1831                         perror("open");
1832                         _exit(1);
1833                 }
1834                 dup2(fd, STDIN_FILENO);
1835                 dup2(fd, STDOUT_FILENO);
1836                 if (fd > 2)
1837                         close(fd);
1838         }
1839
1840         execvp(args->argv[0], args->argv);
1841
1842         perror("execvp");
1843         _exit(1);
1844 }
1845
1846 void
1847 spawnterm(struct swm_region *r, union arg *args)
1848 {
1849         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1850
1851         if (fork() == 0) {
1852                 if (term_width)
1853                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1854                 spawn(r->ws->idx, args, 1);
1855         }
1856 }
1857
1858 void
1859 kill_refs(struct ws_win *win)
1860 {
1861         int                     i, x;
1862         struct swm_region       *r;
1863         struct workspace        *ws;
1864
1865         if (win == NULL)
1866                 return;
1867
1868         for (i = 0; i < ScreenCount(display); i++)
1869                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1870                         for (x = 0; x < SWM_WS_MAX; x++) {
1871                                 ws = &r->s->ws[x];
1872                                 if (win == ws->focus)
1873                                         ws->focus = NULL;
1874                                 if (win == ws->focus_prev)
1875                                         ws->focus_prev = NULL;
1876                         }
1877 }
1878
1879 int
1880 validate_win(struct ws_win *testwin)
1881 {
1882         struct ws_win           *win;
1883         struct workspace        *ws;
1884         struct swm_region       *r;
1885         int                     i, x, foundit = 0;
1886
1887         if (testwin == NULL)
1888                 return (0);
1889
1890         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1891                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1892                         for (x = 0; x < SWM_WS_MAX; x++) {
1893                                 ws = &r->s->ws[x];
1894                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1895                                         if (win == testwin)
1896                                                 return (0);
1897                         }
1898         return (1);
1899 }
1900
1901 int
1902 validate_ws(struct workspace *testws)
1903 {
1904         struct swm_region       *r;
1905         struct workspace        *ws;
1906         int                     foundit, i, x;
1907
1908         /* validate all ws */
1909         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1910                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1911                         for (x = 0; x < SWM_WS_MAX; x++) {
1912                                 ws = &r->s->ws[x];
1913                                 if (ws == testws)
1914                                         return (0);
1915                         }
1916         return (1);
1917 }
1918
1919 void
1920 unfocus_win(struct ws_win *win)
1921 {
1922         XEvent                  cne;
1923         Window                  none = None;
1924
1925         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1926
1927         if (win == NULL)
1928                 return;
1929         if (win->ws == NULL)
1930                 return;
1931
1932         if (validate_ws(win->ws))
1933                 return; /* XXX this gets hit with thunderbird, needs fixing */
1934
1935         if (win->ws->r == NULL)
1936                 return;
1937
1938         if (validate_win(win)) {
1939                 kill_refs(win);
1940                 return;
1941         }
1942
1943         if (win->ws->focus == win) {
1944                 win->ws->focus = NULL;
1945                 win->ws->focus_prev = win;
1946         }
1947
1948         if (validate_win(win->ws->focus)) {
1949                 kill_refs(win->ws->focus);
1950                 win->ws->focus = NULL;
1951         }
1952         if (validate_win(win->ws->focus_prev)) {
1953                 kill_refs(win->ws->focus_prev);
1954                 win->ws->focus_prev = NULL;
1955         }
1956
1957         /* drain all previous unfocus events */
1958         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1959                 ;
1960
1961         grabbuttons(win, 0);
1962         XSetWindowBorder(display, win->id,
1963             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1964
1965         XChangeProperty(display, win->s->root,
1966             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1967             PropModeReplace, (unsigned char *)&none,1);
1968 }
1969
1970 void
1971 unfocus_all(void)
1972 {
1973         struct ws_win           *win;
1974         int                     i, j;
1975
1976         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1977
1978         for (i = 0; i < ScreenCount(display); i++)
1979                 for (j = 0; j < SWM_WS_MAX; j++)
1980                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1981                                 unfocus_win(win);
1982 }
1983
1984 void
1985 focus_win(struct ws_win *win)
1986 {
1987         XEvent                  cne;
1988         Window                  cur_focus;
1989         int                     rr;
1990         struct ws_win           *cfw = NULL;
1991
1992
1993         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1994
1995         if (win == NULL)
1996                 return;
1997         if (win->ws == NULL)
1998                 return;
1999
2000         if (validate_ws(win->ws))
2001                 return; /* XXX this gets hit with thunderbird, needs fixing */
2002
2003         if (validate_win(win)) {
2004                 kill_refs(win);
2005                 return;
2006         }
2007
2008         if (validate_win(win)) {
2009                 kill_refs(win);
2010                 return;
2011         }
2012
2013         XGetInputFocus(display, &cur_focus, &rr);
2014         if ((cfw = find_window(cur_focus)) != NULL)
2015                 unfocus_win(cfw);
2016         else {
2017                 /* use larger hammer since the window was killed somehow */
2018                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2019                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2020                                 XSetWindowBorder(display, cfw->id,
2021                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2022         }
2023
2024         win->ws->focus = win;
2025
2026         if (win->ws->r != NULL) {
2027                 /* drain all previous focus events */
2028                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2029                         ;
2030
2031                 if (win->java == 0)
2032                         XSetInputFocus(display, win->id,
2033                             RevertToParent, CurrentTime);
2034                 grabbuttons(win, 1);
2035                 XSetWindowBorder(display, win->id,
2036                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2037                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2038                     win->ws->always_raise)
2039                         XMapRaised(display, win->id);
2040
2041                 XChangeProperty(display, win->s->root,
2042                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2043                     PropModeReplace, (unsigned char *)&win->id,1);
2044         }
2045
2046         if (window_name_enabled)
2047                 bar_update();
2048 }
2049
2050 void
2051 switchws(struct swm_region *r, union arg *args)
2052 {
2053         int                     wsid = args->id, unmap_old = 0;
2054         struct swm_region       *this_r, *other_r;
2055         struct ws_win           *win;
2056         struct workspace        *new_ws, *old_ws;
2057         union arg               a;
2058
2059         if (!(r && r->s))
2060                 return;
2061
2062         this_r = r;
2063         old_ws = this_r->ws;
2064         new_ws = &this_r->s->ws[wsid];
2065
2066         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2067             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2068             old_ws->idx, wsid);
2069
2070         if (new_ws == NULL || old_ws == NULL)
2071                 return;
2072         if (new_ws == old_ws)
2073                 return;
2074
2075         other_r = new_ws->r;
2076         if (other_r == NULL) {
2077                 /* the other workspace is hidden, hide this one */
2078                 old_ws->r = NULL;
2079                 unmap_old = 1;
2080         } else {
2081                 /* the other ws is visible in another region, exchange them */
2082                 other_r->ws_prior = new_ws;
2083                 other_r->ws = old_ws;
2084                 old_ws->r = other_r;
2085         }
2086         this_r->ws_prior = old_ws;
2087         this_r->ws = new_ws;
2088         new_ws->r = this_r;
2089
2090         /* this is needed so that we can click on a window after a restart */
2091         unfocus_all();
2092
2093         stack();
2094         a.id = SWM_ARG_ID_FOCUSCUR;
2095         focus(new_ws->r, &a);
2096
2097         bar_update();
2098
2099         /* unmap old windows */
2100         if (unmap_old)
2101                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2102                         unmap_window(win);
2103
2104         if (focus_mode == SWM_FOCUS_DEFAULT)
2105                 drain_enter_notify();
2106 }
2107
2108 void
2109 cyclews(struct swm_region *r, union arg *args)
2110 {
2111         union                   arg a;
2112         struct swm_screen       *s = r->s;
2113
2114         DNPRINTF(SWM_D_WS, "cyclews id %d "
2115             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2116             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2117
2118         a.id = r->ws->idx;
2119         do {
2120                 switch (args->id) {
2121                 case SWM_ARG_ID_CYCLEWS_UP:
2122                         if (a.id < SWM_WS_MAX - 1)
2123                                 a.id++;
2124                         else
2125                                 a.id = 0;
2126                         break;
2127                 case SWM_ARG_ID_CYCLEWS_DOWN:
2128                         if (a.id > 0)
2129                                 a.id--;
2130                         else
2131                                 a.id = SWM_WS_MAX - 1;
2132                         break;
2133                 default:
2134                         return;
2135                 };
2136
2137                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2138                         continue;
2139                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2140                         continue;
2141
2142                 switchws(r, &a);
2143         } while (a.id != r->ws->idx);
2144 }
2145
2146 void
2147 priorws(struct swm_region *r, union arg *args)
2148 {
2149         union arg               a;
2150
2151         DNPRINTF(SWM_D_WS, "priorws id %d "
2152             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2153             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2154
2155         if (r->ws_prior == NULL)
2156                 return;
2157
2158         a.id = r->ws_prior->idx;
2159         switchws(r, &a);
2160 }
2161
2162 void
2163 cyclescr(struct swm_region *r, union arg *args)
2164 {
2165         struct swm_region       *rr = NULL;
2166         union arg               a;
2167         int                     i, x, y;
2168
2169         /* do nothing if we don't have more than one screen */
2170         if (!(ScreenCount(display) > 1 || outputs > 1))
2171                 return;
2172
2173         i = r->s->idx;
2174         switch (args->id) {
2175         case SWM_ARG_ID_CYCLESC_UP:
2176                 rr = TAILQ_NEXT(r, entry);
2177                 if (rr == NULL)
2178                         rr = TAILQ_FIRST(&screens[i].rl);
2179                 break;
2180         case SWM_ARG_ID_CYCLESC_DOWN:
2181                 rr = TAILQ_PREV(r, swm_region_list, entry);
2182                 if (rr == NULL)
2183                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2184                 break;
2185         default:
2186                 return;
2187         };
2188         if (rr == NULL)
2189                 return;
2190
2191         /* move mouse to region */
2192         x = rr->g.x + 1;
2193         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2194         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2195
2196         a.id = SWM_ARG_ID_FOCUSCUR;
2197         focus(rr, &a);
2198
2199         if (rr->ws->focus) {
2200                 /* move to focus window */
2201                 x = rr->ws->focus->g.x + 1;
2202                 y = rr->ws->focus->g.y + 1;
2203                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2204         }
2205 }
2206
2207 void
2208 sort_windows(struct ws_win_list *wl)
2209 {
2210         struct ws_win           *win, *parent, *nxt;
2211
2212         if (wl == NULL)
2213                 return;
2214
2215         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2216                 nxt = TAILQ_NEXT(win, entry);
2217                 if (win->transient) {
2218                         parent = find_window(win->transient);
2219                         if (parent == NULL) {
2220                                 fprintf(stderr, "not possible bug\n");
2221                                 continue;
2222                         }
2223                         TAILQ_REMOVE(wl, win, entry);
2224                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2225                 }
2226         }
2227
2228 }
2229
2230 void
2231 swapwin(struct swm_region *r, union arg *args)
2232 {
2233         struct ws_win           *target, *source;
2234         struct ws_win           *cur_focus;
2235         struct ws_win_list      *wl;
2236
2237
2238         DNPRINTF(SWM_D_WS, "swapwin id %d "
2239             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2240             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2241
2242         cur_focus = r->ws->focus;
2243         if (cur_focus == NULL)
2244                 return;
2245
2246         source = cur_focus;
2247         wl = &source->ws->winlist;
2248
2249         switch (args->id) {
2250         case SWM_ARG_ID_SWAPPREV:
2251                 if (source->transient)
2252                         source = find_window(source->transient);
2253                 target = TAILQ_PREV(source, ws_win_list, entry);
2254                 if (target && target->transient)
2255                         target = find_window(target->transient);
2256                 TAILQ_REMOVE(wl, source, entry);
2257                 if (target == NULL)
2258                         TAILQ_INSERT_TAIL(wl, source, entry);
2259                 else
2260                         TAILQ_INSERT_BEFORE(target, source, entry);
2261                 break;
2262         case SWM_ARG_ID_SWAPNEXT:
2263                 target = TAILQ_NEXT(source, entry);
2264                 /* move the parent and let the sort handle the move */
2265                 if (source->transient)
2266                         source = find_window(source->transient);
2267                 TAILQ_REMOVE(wl, source, entry);
2268                 if (target == NULL)
2269                         TAILQ_INSERT_HEAD(wl, source, entry);
2270                 else
2271                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2272                 break;
2273         case SWM_ARG_ID_SWAPMAIN:
2274                 target = TAILQ_FIRST(wl);
2275                 if (target == source) {
2276                         if (source->ws->focus_prev != NULL &&
2277                             source->ws->focus_prev != target)
2278
2279                                 source = source->ws->focus_prev;
2280                         else
2281                                 return;
2282                 }
2283                 if (target == NULL || source == NULL)
2284                         return;
2285                 source->ws->focus_prev = target;
2286                 TAILQ_REMOVE(wl, target, entry);
2287                 TAILQ_INSERT_BEFORE(source, target, entry);
2288                 TAILQ_REMOVE(wl, source, entry);
2289                 TAILQ_INSERT_HEAD(wl, source, entry);
2290                 break;
2291         case SWM_ARG_ID_MOVELAST:
2292                 TAILQ_REMOVE(wl, source, entry);
2293                 TAILQ_INSERT_TAIL(wl, source, entry);
2294                 break;
2295         default:
2296                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2297                 return;
2298         }
2299
2300         sort_windows(wl);
2301
2302         stack();
2303 }
2304
2305 void
2306 focus_prev(struct ws_win *win)
2307 {
2308         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2309         struct ws_win           *cur_focus = NULL;
2310         struct ws_win_list      *wl = NULL;
2311         struct workspace        *ws = NULL;
2312
2313         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2314
2315         if (!(win && win->ws))
2316                 return;
2317
2318         ws = win->ws;
2319         wl = &ws->winlist;
2320         cur_focus = ws->focus;
2321         winlostfocus = cur_focus;
2322
2323         /* pickle, just focus on whatever */
2324         if (cur_focus == NULL) {
2325                 /* use prev_focus if valid */
2326                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2327                     find_window(WINID(ws->focus_prev)))
2328                         winfocus = ws->focus_prev;
2329                 if (winfocus == NULL)
2330                         winfocus = TAILQ_FIRST(wl);
2331                 goto done;
2332         }
2333
2334         /* if transient focus on parent */
2335         if (cur_focus->transient) {
2336                 winfocus = find_window(cur_focus->transient);
2337                 goto done;
2338         }
2339
2340         /* if in max_stack try harder */
2341         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2342             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2343                 if (cur_focus != ws->focus_prev)
2344                         winfocus = ws->focus_prev;
2345                 else if (cur_focus != ws->focus)
2346                         winfocus = ws->focus;
2347                 else
2348                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2349                 if (winfocus)
2350                         goto done;
2351         }
2352
2353         if (cur_focus == win)
2354                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2355         if (winfocus == NULL)
2356                 winfocus = TAILQ_LAST(wl, ws_win_list);
2357         if (winfocus == NULL || winfocus == win)
2358                 winfocus = TAILQ_NEXT(cur_focus, entry);
2359 done:
2360         if (winfocus == winlostfocus || winfocus == NULL)
2361                 return;
2362
2363         focus_magic(winfocus);
2364 }
2365
2366 void
2367 focus(struct swm_region *r, union arg *args)
2368 {
2369         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2370         struct ws_win           *cur_focus = NULL;
2371         struct ws_win_list      *wl = NULL;
2372         struct workspace        *ws = NULL;
2373
2374         if (!(r && r->ws))
2375                 return;
2376
2377         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2378
2379         /* treat FOCUS_CUR special */
2380         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2381                 if (r->ws->focus && r->ws->focus->iconic == 0)
2382                         winfocus = r->ws->focus;
2383                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2384                         winfocus = r->ws->focus_prev;
2385                 else
2386                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2387                                 if (winfocus->iconic == 0)
2388                                         break;
2389
2390                 focus_magic(winfocus);
2391                 return;
2392         }
2393
2394         if ((cur_focus = r->ws->focus) == NULL)
2395                 return;
2396         ws = r->ws;
2397         wl = &ws->winlist;
2398
2399         winlostfocus = cur_focus;
2400
2401         switch (args->id) {
2402         case SWM_ARG_ID_FOCUSPREV:
2403                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2404                 if (head == NULL)
2405                         head = TAILQ_LAST(wl, ws_win_list);
2406                 winfocus = head;
2407                 if (WINID(winfocus) == cur_focus->transient) {
2408                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2409                         if (head == NULL)
2410                                 head = TAILQ_LAST(wl, ws_win_list);
2411                         winfocus = head;
2412                 }
2413
2414                 /* skip iconics */
2415                 if (winfocus && winfocus->iconic) {
2416                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2417                                 if (winfocus->iconic == 0)
2418                                         break;
2419                 }
2420                 break;
2421
2422         case SWM_ARG_ID_FOCUSNEXT:
2423                 head = TAILQ_NEXT(cur_focus, entry);
2424                 if (head == NULL)
2425                         head = TAILQ_FIRST(wl);
2426                 winfocus = head;
2427
2428                 /* skip iconics */
2429                 if (winfocus && winfocus->iconic) {
2430                         TAILQ_FOREACH(winfocus, wl, entry)
2431                                 if (winfocus->iconic == 0)
2432                                         break;
2433                 }
2434                 break;
2435
2436         case SWM_ARG_ID_FOCUSMAIN:
2437                 winfocus = TAILQ_FIRST(wl);
2438                 if (winfocus == cur_focus)
2439                         winfocus = cur_focus->ws->focus_prev;
2440                 break;
2441
2442         default:
2443                 return;
2444         }
2445         if (winfocus == winlostfocus || winfocus == NULL)
2446                 return;
2447
2448         focus_magic(winfocus);
2449 }
2450
2451 void
2452 cycle_layout(struct swm_region *r, union arg *args)
2453 {
2454         struct workspace        *ws = r->ws;
2455         struct ws_win           *winfocus;
2456         union arg               a;
2457
2458         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2459
2460         winfocus = ws->focus;
2461
2462         ws->cur_layout++;
2463         if (ws->cur_layout->l_stack == NULL)
2464                 ws->cur_layout = &layouts[0];
2465
2466         stack();
2467         if (focus_mode == SWM_FOCUS_DEFAULT)
2468                 drain_enter_notify();
2469         a.id = SWM_ARG_ID_FOCUSCUR;
2470         focus(r, &a);
2471         bar_update();
2472 }
2473
2474 void
2475 stack_config(struct swm_region *r, union arg *args)
2476 {
2477         struct workspace        *ws = r->ws;
2478
2479         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2480             args->id, ws->idx);
2481
2482         if (ws->cur_layout->l_config != NULL)
2483                 ws->cur_layout->l_config(ws, args->id);
2484
2485         if (args->id != SWM_ARG_ID_STACKINIT)
2486                 stack();
2487         bar_update();
2488 }
2489
2490 void
2491 stack(void) {
2492         struct swm_geometry     g;
2493         struct swm_region       *r;
2494         int                     i, j;
2495
2496         DNPRINTF(SWM_D_STACK, "stack\n");
2497
2498         for (i = 0; i < ScreenCount(display); i++) {
2499                 j = 0;
2500                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2501                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2502                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2503
2504                         /* start with screen geometry, adjust for bar */
2505                         g = r->g;
2506                         g.w -= 2 * border_width;
2507                         g.h -= 2 * border_width;
2508                         if (bar_enabled) {
2509                                 if (!bar_at_bottom)
2510                                         g.y += bar_height;
2511                                 g.h -= bar_height;
2512                         }
2513                         r->ws->cur_layout->l_stack(r->ws, &g);
2514                         r->ws->cur_layout->l_string(r->ws);
2515                         /* save r so we can track region changes */
2516                         r->ws->old_r = r;
2517                 }
2518         }
2519         if (font_adjusted)
2520                 font_adjusted--;
2521
2522         if (focus_mode == SWM_FOCUS_DEFAULT)
2523                 drain_enter_notify();
2524 }
2525
2526 void
2527 store_float_geom(struct ws_win *win, struct swm_region *r)
2528 {
2529         /* retain window geom and region geom */
2530         win->g_float.x = win->g.x;
2531         win->g_float.y = win->g.y;
2532         win->g_float.w = win->g.w;
2533         win->g_float.h = win->g.h;
2534         win->rg_float.x = r->g.x;
2535         win->rg_float.y = r->g.y;
2536         win->rg_float.w = r->g.w;
2537         win->rg_float.h = r->g.h;
2538         win->g_floatvalid = 1;
2539 }
2540
2541 void
2542 stack_floater(struct ws_win *win, struct swm_region *r)
2543 {
2544         unsigned int            mask;
2545         XWindowChanges          wc;
2546
2547         if (win == NULL)
2548                 return;
2549
2550         bzero(&wc, sizeof wc);
2551         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2552
2553         /*
2554          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2555          * geom on ws switches or return from max mode
2556          */
2557
2558         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2559             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2560                 /*
2561                  * use stored g and rg to set relative position and size
2562                  * as in old region or before max stack mode
2563                  */
2564                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2565                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2566                 win->g.w = win->g_float.w;
2567                 win->g.h = win->g_float.h;
2568                 win->g_floatvalid = 0;
2569         }
2570
2571         win->floatmaxed = 0;
2572
2573         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2574             (win->g.h >= HEIGHT(r)))
2575                 wc.border_width = 0;
2576         else
2577                 wc.border_width = border_width;
2578         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2579                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2580                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2581         }
2582
2583         if (!win->manual) {
2584                 /*
2585                  * floaters and transients are auto-centred unless moved
2586                  * or resized
2587                  */
2588                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2589                     2 - wc.border_width;
2590                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2591                     2 - wc.border_width;
2592         }
2593
2594         /* win can be outside r if new r smaller than old r */
2595         /* Ensure top left corner inside r (move probs otherwise) */
2596         if (win->g.x < r->g.x - wc.border_width)
2597                 win->g.x = r->g.x - wc.border_width;
2598         if (win->g.x > r->g.x + r->g.w - 1)
2599                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2600                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2601         if (win->g.y < r->g.y - wc.border_width)
2602                 win->g.y = r->g.y - wc.border_width;
2603         if (win->g.y > r->g.y + r->g.h - 1)
2604                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2605                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2606
2607         wc.x = win->g.x;
2608         wc.y = win->g.y;
2609         wc.width = win->g.w;
2610         wc.height = win->g.h;
2611
2612         /*
2613          * Retain floater and transient geometry for correct positioning
2614          * when ws changes region
2615          */
2616         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2617                 store_float_geom(win, r);
2618
2619         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2620             win->id, wc.x, wc.y, wc.width, wc.height);
2621
2622         XConfigureWindow(display, win->id, mask, &wc);
2623 }
2624
2625 /*
2626  * Send keystrokes to terminal to decrease/increase the font size as the
2627  * window size changes.
2628  */
2629 void
2630 adjust_font(struct ws_win *win)
2631 {
2632         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2633             win->floating || win->transient)
2634                 return;
2635
2636         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2637             win->g.w / win->sh.width_inc < term_width &&
2638             win->font_steps < SWM_MAX_FONT_STEPS) {
2639                 win->font_size_boundary[win->font_steps] =
2640                     (win->sh.width_inc * term_width) + win->sh.base_width;
2641                 win->font_steps++;
2642                 font_adjusted++;
2643                 win->last_inc = win->sh.width_inc;
2644                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2645         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2646             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2647                 win->font_steps--;
2648                 font_adjusted++;
2649                 win->last_inc = win->sh.width_inc;
2650                 fake_keypress(win, XK_KP_Add, ShiftMask);
2651         }
2652 }
2653
2654 #define SWAPXY(g)       do {                            \
2655         int tmp;                                        \
2656         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2657         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2658 } while (0)
2659 void
2660 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2661 {
2662         XWindowChanges          wc;
2663         XWindowAttributes       wa;
2664         struct swm_geometry     win_g, r_g = *g;
2665         struct ws_win           *win, *fs_win = 0;
2666         int                     i, j, s, stacks;
2667         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2668         int                     hrh, extra = 0, h_slice, last_h = 0;
2669         int                     split, colno, winno, mwin, msize, mscale;
2670         int                     remain, missing, v_slice, reconfigure;
2671         unsigned int            mask;
2672
2673         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2674             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2675
2676         winno = count_win(ws, 0);
2677         if (winno == 0 && count_win(ws, 1) == 0)
2678                 return;
2679
2680         TAILQ_FOREACH(win, &ws->winlist, entry)
2681                 if (win->transient == 0 && win->floating == 0
2682                     && win->iconic == 0)
2683                         break;
2684
2685         if (win == NULL)
2686                 goto notiles;
2687
2688         if (rot) {
2689                 w_inc = win->sh.width_inc;
2690                 w_base = win->sh.base_width;
2691                 mwin = ws->l_state.horizontal_mwin;
2692                 mscale = ws->l_state.horizontal_msize;
2693                 stacks = ws->l_state.horizontal_stacks;
2694                 SWAPXY(&r_g);
2695         } else {
2696                 w_inc = win->sh.height_inc;
2697                 w_base = win->sh.base_height;
2698                 mwin = ws->l_state.vertical_mwin;
2699                 mscale = ws->l_state.vertical_msize;
2700                 stacks = ws->l_state.vertical_stacks;
2701         }
2702         win_g = r_g;
2703
2704         if (stacks > winno - mwin)
2705                 stacks = winno - mwin;
2706         if (stacks < 1)
2707                 stacks = 1;
2708
2709         h_slice = r_g.h / SWM_H_SLICE;
2710         if (mwin && winno > mwin) {
2711                 v_slice = r_g.w / SWM_V_SLICE;
2712
2713                 split = mwin;
2714                 colno = split;
2715                 win_g.w = v_slice * mscale;
2716
2717                 if (w_inc > 1 && w_inc < v_slice) {
2718                         /* adjust for window's requested size increment */
2719                         remain = (win_g.w - w_base) % w_inc;
2720                         missing = w_inc - remain;
2721                         win_g.w -= remain;
2722                         extra += remain;
2723                 }
2724
2725                 msize = win_g.w;
2726                 if (flip)
2727                         win_g.x += r_g.w - msize;
2728         } else {
2729                 msize = -2;
2730                 colno = split = winno / stacks;
2731                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2732                     2 * border_width) / stacks);
2733         }
2734         hrh = r_g.h / colno;
2735         extra = r_g.h - (colno * hrh);
2736         win_g.h = hrh - 2 * border_width;
2737
2738         /*  stack all the tiled windows */
2739         i = j = 0, s = stacks;
2740         TAILQ_FOREACH(win, &ws->winlist, entry) {
2741                 if (win->transient != 0 || win->floating != 0)
2742                         continue;
2743                 if (win->iconic != 0)
2744                         continue;
2745
2746                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2747                         fs_win = win;
2748                         continue;
2749                 }
2750
2751                 if (split && i == split) {
2752                         colno = (winno - mwin) / stacks;
2753                         if (s <= (winno - mwin) % stacks)
2754                                 colno++;
2755                         split = split + colno;
2756                         hrh = (r_g.h / colno);
2757                         extra = r_g.h - (colno * hrh);
2758                         if (flip)
2759                                 win_g.x = r_g.x;
2760                         else
2761                                 win_g.x += win_g.w + 2 * border_width;
2762                         win_g.w = (r_g.w - msize -
2763                             (stacks * 2 * border_width)) / stacks;
2764                         if (s == 1)
2765                                 win_g.w += (r_g.w - msize -
2766                                     (stacks * 2 * border_width)) % stacks;
2767                         s--;
2768                         j = 0;
2769                 }
2770                 win_g.h = hrh - 2 * border_width;
2771                 if (rot) {
2772                         h_inc = win->sh.width_inc;
2773                         h_base = win->sh.base_width;
2774                 } else {
2775                         h_inc = win->sh.height_inc;
2776                         h_base = win->sh.base_height;
2777                 }
2778                 if (j == colno - 1) {
2779                         win_g.h = hrh + extra;
2780                 } else if (h_inc > 1 && h_inc < h_slice) {
2781                         /* adjust for window's requested size increment */
2782                         remain = (win_g.h - h_base) % h_inc;
2783                         missing = h_inc - remain;
2784
2785                         if (missing <= extra || j == 0) {
2786                                 extra -= missing;
2787                                 win_g.h += missing;
2788                         } else {
2789                                 win_g.h -= remain;
2790                                 extra += remain;
2791                         }
2792                 }
2793
2794                 if (j == 0)
2795                         win_g.y = r_g.y;
2796                 else
2797                         win_g.y += last_h + 2 * border_width;
2798
2799                 bzero(&wc, sizeof wc);
2800                 if (disable_border && bar_enabled == 0 && winno == 1){
2801                         wc.border_width = 0;
2802                         win_g.w += 2 * border_width;
2803                         win_g.h += 2 * border_width;
2804                 } else
2805                         wc.border_width = border_width;
2806                 reconfigure = 0;
2807                 if (rot) {
2808                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2809                             win->g.w != win_g.h || win->g.h != win_g.w) {
2810                                 reconfigure = 1;
2811                                 win->g.x = wc.x = win_g.y;
2812                                 win->g.y = wc.y = win_g.x;
2813                                 win->g.w = wc.width = win_g.h;
2814                                 win->g.h = wc.height = win_g.w;
2815                         }
2816                 } else {
2817                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2818                             win->g.w != win_g.w || win->g.h != win_g.h) {
2819                                 reconfigure = 1;
2820                                 win->g.x = wc.x = win_g.x;
2821                                 win->g.y = wc.y = win_g.y;
2822                                 win->g.w = wc.width = win_g.w;
2823                                 win->g.h = wc.height = win_g.h;
2824                         }
2825                 }
2826                 if (reconfigure) {
2827                         adjust_font(win);
2828                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2829                         XConfigureWindow(display, win->id, mask, &wc);
2830                 }
2831
2832                 if (XGetWindowAttributes(display, win->id, &wa))
2833                         if (wa.map_state == IsUnmapped)
2834                                 XMapRaised(display, win->id);
2835
2836                 last_h = win_g.h;
2837                 i++;
2838                 j++;
2839         }
2840
2841 notiles:
2842         /* now, stack all the floaters and transients */
2843         TAILQ_FOREACH(win, &ws->winlist, entry) {
2844                 if (win->transient == 0 && win->floating == 0)
2845                         continue;
2846                 if (win->iconic == 1)
2847                         continue;
2848                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2849                         fs_win = win;
2850                         continue;
2851                 }
2852
2853                 stack_floater(win, ws->r);
2854                 XMapRaised(display, win->id);
2855         }
2856
2857         if (fs_win) {
2858                 stack_floater(fs_win, ws->r);
2859                 XMapRaised(display, fs_win->id);
2860         }
2861 }
2862
2863 void
2864 vertical_config(struct workspace *ws, int id)
2865 {
2866         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2867
2868         switch (id) {
2869         case SWM_ARG_ID_STACKRESET:
2870         case SWM_ARG_ID_STACKINIT:
2871                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2872                 ws->l_state.vertical_mwin = 1;
2873                 ws->l_state.vertical_stacks = 1;
2874                 break;
2875         case SWM_ARG_ID_MASTERSHRINK:
2876                 if (ws->l_state.vertical_msize > 1)
2877                         ws->l_state.vertical_msize--;
2878                 break;
2879         case SWM_ARG_ID_MASTERGROW:
2880                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2881                         ws->l_state.vertical_msize++;
2882                 break;
2883         case SWM_ARG_ID_MASTERADD:
2884                 ws->l_state.vertical_mwin++;
2885                 break;
2886         case SWM_ARG_ID_MASTERDEL:
2887                 if (ws->l_state.vertical_mwin > 0)
2888                         ws->l_state.vertical_mwin--;
2889                 break;
2890         case SWM_ARG_ID_STACKINC:
2891                 ws->l_state.vertical_stacks++;
2892                 break;
2893         case SWM_ARG_ID_STACKDEC:
2894                 if (ws->l_state.vertical_stacks > 1)
2895                         ws->l_state.vertical_stacks--;
2896                 break;
2897         default:
2898                 return;
2899         }
2900 }
2901
2902 void
2903 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2904 {
2905         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2906
2907         stack_master(ws, g, 0, 0);
2908 }
2909
2910 void
2911 horizontal_config(struct workspace *ws, int id)
2912 {
2913         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2914
2915         switch (id) {
2916         case SWM_ARG_ID_STACKRESET:
2917         case SWM_ARG_ID_STACKINIT:
2918                 ws->l_state.horizontal_mwin = 1;
2919                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2920                 ws->l_state.horizontal_stacks = 1;
2921                 break;
2922         case SWM_ARG_ID_MASTERSHRINK:
2923                 if (ws->l_state.horizontal_msize > 1)
2924                         ws->l_state.horizontal_msize--;
2925                 break;
2926         case SWM_ARG_ID_MASTERGROW:
2927                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2928                         ws->l_state.horizontal_msize++;
2929                 break;
2930         case SWM_ARG_ID_MASTERADD:
2931                 ws->l_state.horizontal_mwin++;
2932                 break;
2933         case SWM_ARG_ID_MASTERDEL:
2934                 if (ws->l_state.horizontal_mwin > 0)
2935                         ws->l_state.horizontal_mwin--;
2936                 break;
2937         case SWM_ARG_ID_STACKINC:
2938                 ws->l_state.horizontal_stacks++;
2939                 break;
2940         case SWM_ARG_ID_STACKDEC:
2941                 if (ws->l_state.horizontal_stacks > 1)
2942                         ws->l_state.horizontal_stacks--;
2943                 break;
2944         default:
2945                 return;
2946         }
2947 }
2948
2949 void
2950 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2951 {
2952         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2953
2954         stack_master(ws, g, 1, 0);
2955 }
2956
2957 /* fullscreen view */
2958 void
2959 max_stack(struct workspace *ws, struct swm_geometry *g)
2960 {
2961         XWindowChanges          wc;
2962         struct swm_geometry     gg = *g;
2963         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2964         unsigned int            mask;
2965         int                     winno;
2966
2967         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2968
2969         if (ws == NULL)
2970                 return;
2971
2972         winno = count_win(ws, 0);
2973         if (winno == 0 && count_win(ws, 1) == 0)
2974                 return;
2975
2976         TAILQ_FOREACH(win, &ws->winlist, entry) {
2977                 if (win->transient) {
2978                         wintrans = win;
2979                         parent = find_window(win->transient);
2980                         continue;
2981                 }
2982
2983                 if (win->floating && win->floatmaxed == 0 ) {
2984                         /*
2985                          * retain geometry for retrieval on exit from
2986                          * max_stack mode
2987                          */
2988                         store_float_geom(win, ws->r);
2989                         win->floatmaxed = 1;
2990                 }
2991
2992                 /* only reconfigure if necessary */
2993                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2994                     win->g.h != gg.h) {
2995                         bzero(&wc, sizeof wc);
2996                         win->g.x = wc.x = gg.x;
2997                         win->g.y = wc.y = gg.y;
2998                         if (bar_enabled){
2999                                 wc.border_width = border_width;
3000                                 win->g.w = wc.width = gg.w;
3001                                 win->g.h = wc.height = gg.h;
3002                         } else {
3003                                 wc.border_width = 0;
3004                                 win->g.w = wc.width = gg.w + 2 * border_width;
3005                                 win->g.h = wc.height = gg.h + 2 * border_width;
3006                         }
3007                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3008                         XConfigureWindow(display, win->id, mask, &wc);
3009                 }
3010                 /* unmap only if we don't have multi screen */
3011                 if (win != ws->focus)
3012                         if (!(ScreenCount(display) > 1 || outputs > 1))
3013                                 unmap_window(win);
3014         }
3015
3016         /* put the last transient on top */
3017         if (wintrans) {
3018                 if (parent)
3019                         XMapRaised(display, parent->id);
3020                 stack_floater(wintrans, ws->r);
3021                 focus_magic(wintrans);
3022         }
3023 }
3024
3025 void
3026 send_to_ws(struct swm_region *r, union arg *args)
3027 {
3028         int                     wsid = args->id;
3029         struct ws_win           *win = NULL, *parent;
3030         struct workspace        *ws, *nws;
3031         Atom                    ws_idx_atom = 0;
3032         unsigned char           ws_idx_str[SWM_PROPLEN];
3033         union arg               a;
3034
3035         if (r && r->ws)
3036                 win = r->ws->focus;
3037         else
3038                 return;
3039         if (win == NULL)
3040                 return;
3041         if (win->ws->idx == wsid)
3042                 return;
3043
3044         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3045
3046         ws = win->ws;
3047         nws = &win->s->ws[wsid];
3048
3049         a.id = SWM_ARG_ID_FOCUSPREV;
3050         focus(r, &a);
3051         if (win->transient) {
3052                 parent = find_window(win->transient);
3053                 if (parent) {
3054                         unmap_window(parent);
3055                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3056                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3057                         parent->ws = nws;
3058                 }
3059         }
3060         unmap_window(win);
3061         TAILQ_REMOVE(&ws->winlist, win, entry);
3062         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3063         win->ws = nws;
3064
3065         /* Try to update the window's workspace property */
3066         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3067         if (ws_idx_atom &&
3068             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3069                 SWM_PROPLEN) {
3070                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3071                     ws_idx_str);
3072                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3073                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3074         }
3075
3076         stack();
3077 }
3078
3079 void
3080 pressbutton(struct swm_region *r, union arg *args)
3081 {
3082         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3083         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3084 }
3085
3086 void
3087 raise_toggle(struct swm_region *r, union arg *args)
3088 {
3089         if (r && r->ws == NULL)
3090                 return;
3091
3092         r->ws->always_raise = !r->ws->always_raise;
3093
3094         /* bring floaters back to top */
3095         if (r->ws->always_raise == 0)
3096                 stack();
3097 }
3098
3099 void
3100 iconify(struct swm_region *r, union arg *args)
3101 {
3102         union arg a;
3103
3104         if (r->ws->focus == NULL)
3105                 return;
3106         unmap_window(r->ws->focus);
3107         update_iconic(r->ws->focus, 1);
3108         stack();
3109         if (focus_mode == SWM_FOCUS_DEFAULT)
3110                 drain_enter_notify();
3111         r->ws->focus = NULL;
3112         a.id = SWM_ARG_ID_FOCUSCUR;
3113         focus(r, &a);
3114 }
3115
3116 unsigned char *
3117 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3118     unsigned long *slen)
3119 {
3120         int                     status, retfmt;
3121         unsigned long           nitems, nbytes, nextra;
3122         unsigned char           *prop = NULL;
3123         Atom                    rettype;
3124
3125         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3126             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3127         if (status != Success)
3128                 return (NULL);
3129         XFree(prop);
3130
3131         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3132             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3133         if (status != Success) {
3134                 XFree(prop);
3135                 return (NULL);
3136         }
3137         if (rettype != stype) {
3138                 XFree(prop);
3139                 return (NULL);
3140         }
3141         *slen = nitems;
3142         return (prop);
3143 }
3144
3145 void
3146 uniconify(struct swm_region *r, union arg *args)
3147 {
3148         struct ws_win           *win;
3149         FILE                    *lfile;
3150         unsigned char           *name;
3151         int                     count = 0;
3152         unsigned long           len;
3153
3154         DNPRINTF(SWM_D_MISC, "uniconify\n");
3155
3156         if (r && r->ws == NULL)
3157                 return;
3158
3159         /* make sure we have anything to uniconify */
3160         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3161                 if (win->ws == NULL)
3162                         continue; /* should never happen */
3163                 if (win->iconic == 0)
3164                         continue;
3165                 count++;
3166         }
3167         if (count == 0)
3168                 return;
3169
3170         search_r = r;
3171
3172         spawn_select(r, args, "uniconify", &searchpid);
3173
3174         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3175                 return;
3176
3177         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3178                 if (win->ws == NULL)
3179                         continue; /* should never happen */
3180                 if (win->iconic == 0)
3181                         continue;
3182
3183                 name = get_win_name(display, win->id, a_wmname, a_string,
3184                     &len);
3185                 if (name == NULL)
3186                         continue;
3187                 fprintf(lfile, "%s.%lu\n", name, win->id);
3188                 XFree(name);
3189         }
3190
3191         fclose(lfile);
3192 }
3193
3194 #define MAX_RESP_LEN    1024
3195
3196 void
3197 search_do_resp(void)
3198 {
3199         ssize_t                 rbytes;
3200         struct ws_win           *win;
3201         unsigned char           *name;
3202         char                    *resp, *s;
3203         unsigned long           len;
3204
3205         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3206
3207         search_resp = 0;
3208         searchpid = 0;
3209
3210         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3211                 fprintf(stderr, "search: calloc\n");
3212                 return;
3213         }
3214
3215         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3216         if (rbytes <= 0) {
3217                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3218                 goto done;
3219         }
3220         resp[rbytes] = '\0';
3221         len = strlen(resp);
3222
3223         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3224         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3225                 if (win->iconic == 0)
3226                         continue;
3227                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3228                 if (name == NULL)
3229                         continue;
3230                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3231                         XFree(name);
3232                         continue;
3233                 }
3234                 XFree(name);
3235                 if (strncmp(s, resp, len) == 0) {
3236                         /* XXX this should be a callback to generalize */
3237                         update_iconic(win, 0);
3238                         free(s);
3239                         break;
3240                 }
3241                 free(s);
3242         }
3243 done:
3244         free(resp);
3245 }
3246
3247 void
3248 wkill(struct swm_region *r, union arg *args)
3249 {
3250         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3251
3252         if (r->ws->focus == NULL)
3253                 return;
3254
3255         if (args->id == SWM_ARG_ID_KILLWINDOW)
3256                 XKillClient(display, r->ws->focus->id);
3257         else
3258                 if (r->ws->focus->can_delete)
3259                         client_msg(r->ws->focus, adelete);
3260 }
3261
3262
3263 int
3264 floating_toggle_win(struct ws_win *win)
3265 {
3266         struct swm_region       *r;
3267
3268         if (win == NULL)
3269                 return 0;
3270
3271         if (!win->ws->r)
3272                 return 0;
3273
3274         r = win->ws->r;
3275
3276         /* reject floating toggles in max stack mode */
3277         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3278                 return 0;
3279
3280         if (win->floating) {
3281                 if (!win->floatmaxed) {
3282                         /* retain position for refloat */
3283                         store_float_geom(win, r);
3284                 }
3285                 win->floating = 0;
3286         } else {
3287                 if (win->g_floatvalid) {
3288                         /* refloat at last floating relative position */
3289                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3290                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3291                         win->g.w = win->g_float.w;
3292                         win->g.h = win->g_float.h;
3293                 }
3294                 win->floating = 1;
3295         }
3296
3297         ewmh_update_actions(win);
3298
3299         return 1;
3300 }
3301
3302 void
3303 floating_toggle(struct swm_region *r, union arg *args)
3304 {
3305         struct ws_win           *win = r->ws->focus;
3306         union arg               a;
3307
3308         if (win == NULL)
3309                 return;
3310
3311         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3312             _NET_WM_STATE_TOGGLE);
3313
3314         stack();
3315         if (focus_mode == SWM_FOCUS_DEFAULT)
3316                 drain_enter_notify();
3317
3318         if (win == win->ws->focus) {
3319                 a.id = SWM_ARG_ID_FOCUSCUR;
3320                 focus(win->ws->r, &a);
3321         }
3322 }
3323
3324 void
3325 resize_window(struct ws_win *win, int center)
3326 {
3327         unsigned int            mask;
3328         XWindowChanges          wc;
3329         struct swm_region       *r;
3330
3331         r = root_to_region(win->wa.root);
3332         bzero(&wc, sizeof wc);
3333         mask = CWBorderWidth | CWWidth | CWHeight;
3334         wc.border_width = border_width;
3335         wc.width = win->g.w;
3336         wc.height = win->g.h;
3337         if (center == SWM_ARG_ID_CENTER) {
3338                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3339                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3340                 mask |= CWX | CWY;
3341         }
3342
3343         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3344             win->id, wc.x, wc.y, wc.width, wc.height);
3345
3346         XConfigureWindow(display, win->id, mask, &wc);
3347 }
3348
3349 #define SWM_RESIZE_STEPS        (50)
3350
3351 void
3352 resize(struct ws_win *win, union arg *args)
3353 {
3354         XEvent                  ev;
3355         Time                    time = 0;
3356         struct swm_region       *r = NULL;
3357         int                     relx, rely;
3358         int                     resize_step = 0;
3359
3360         if (win == NULL)
3361                 return;
3362         r = win->ws->r;
3363
3364         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3365             win->id, win->floating, win->transient);
3366
3367         if (!(win->transient != 0 || win->floating != 0))
3368                 return;
3369
3370         /* reject resizes in max mode for floaters (transient ok) */
3371         if (win->floatmaxed)
3372                 return;
3373
3374         win->manual = 1;
3375         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3376             _NET_WM_STATE_ADD);
3377
3378         stack();
3379
3380         switch (args->id) {
3381         case SWM_ARG_ID_WIDTHSHRINK:
3382                 win->g.w -= SWM_RESIZE_STEPS;
3383                 resize_step = 1;
3384                 break;
3385         case SWM_ARG_ID_WIDTHGROW:
3386                 win->g.w += SWM_RESIZE_STEPS;
3387                 resize_step = 1;
3388                 break;
3389         case SWM_ARG_ID_HEIGHTSHRINK:
3390                 win->g.h -= SWM_RESIZE_STEPS;
3391                 resize_step = 1;
3392                 break;
3393         case SWM_ARG_ID_HEIGHTGROW:
3394                 win->g.h += SWM_RESIZE_STEPS;
3395                 resize_step = 1;
3396                 break;
3397         default:
3398                 break;
3399         }
3400         if (resize_step) {
3401                 resize_window(win, 0);
3402                 store_float_geom(win,r);
3403                 return;
3404         }
3405
3406         if (focus_mode == SWM_FOCUS_DEFAULT)
3407                 drain_enter_notify();
3408
3409         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3410             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3411                 return;
3412
3413         /* place pointer at bottom left corner or nearest point inside r */
3414         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3415                 relx = win->g.w - 1;
3416         else
3417                 relx = r->g.x + r->g.w - win->g.x - 1;
3418
3419         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3420                 rely = win->g.h - 1;
3421         else
3422                 rely = r->g.y + r->g.h - win->g.y - 1;
3423
3424         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3425         do {
3426                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3427                     SubstructureRedirectMask, &ev);
3428                 switch (ev.type) {
3429                 case ConfigureRequest:
3430                 case Expose:
3431                 case MapRequest:
3432                         handler[ev.type](&ev);
3433                         break;
3434                 case MotionNotify:
3435                         /* do not allow resize outside of region */
3436                         if (    ev.xmotion.x_root < r->g.x ||
3437                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3438                                 ev.xmotion.y_root < r->g.y ||
3439                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3440                                 continue;
3441
3442                         if (ev.xmotion.x <= 1)
3443                                 ev.xmotion.x = 1;
3444                         if (ev.xmotion.y <= 1)
3445                                 ev.xmotion.y = 1;
3446                         win->g.w = ev.xmotion.x + 1;
3447                         win->g.h = ev.xmotion.y + 1;
3448
3449                         /* not free, don't sync more than 120 times / second */
3450                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3451                                 time = ev.xmotion.time;
3452                                 XSync(display, False);
3453                                 resize_window(win, args->id);
3454                         }
3455                         break;
3456                 }
3457         } while (ev.type != ButtonRelease);
3458         if (time) {
3459                 XSync(display, False);
3460                 resize_window(win, args->id);
3461         }
3462         store_float_geom(win,r);
3463
3464         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3465             win->g.h - 1);
3466         XUngrabPointer(display, CurrentTime);
3467
3468         /* drain events */
3469         drain_enter_notify();
3470 }
3471
3472 void
3473 resize_step(struct swm_region *r, union arg *args)
3474 {
3475         struct ws_win           *win = NULL;
3476
3477         if (r && r->ws && r->ws->focus)
3478                 win = r->ws->focus;
3479         else
3480                 return;
3481
3482         resize(win, args);
3483 }
3484
3485
3486 void
3487 move_window(struct ws_win *win)
3488 {
3489         unsigned int            mask;
3490         XWindowChanges          wc;
3491         struct swm_region       *r;
3492
3493         r = root_to_region(win->wa.root);
3494         bzero(&wc, sizeof wc);
3495         mask = CWX | CWY;
3496         wc.x = win->g.x;
3497         wc.y = win->g.y;
3498         wc.border_width = border_width;
3499
3500         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3501             win->id, wc.x, wc.y, wc.width, wc.height);
3502
3503         XConfigureWindow(display, win->id, mask, &wc);
3504 }
3505
3506 #define SWM_MOVE_STEPS  (50)
3507
3508 void
3509 move(struct ws_win *win, union arg *args)
3510 {
3511         XEvent                  ev;
3512         Time                    time = 0;
3513         int                     move_step = 0;
3514         struct swm_region       *r = NULL;
3515
3516         if (win == NULL)
3517                 return;
3518         r = win->ws->r;
3519
3520         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3521             win->id, win->floating, win->transient);
3522
3523         /* in max_stack mode should only move transients */
3524         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3525                 return;
3526
3527         win->manual = 1;
3528         if (win->floating == 0 && !win->transient) {
3529                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3530                     _NET_WM_STATE_ADD);
3531         }
3532         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3533             _NET_WM_STATE_ADD);
3534
3535         stack();
3536
3537         move_step = 0;
3538         switch (args->id) {
3539         case SWM_ARG_ID_MOVELEFT:
3540                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3541                 move_step = 1;
3542                 break;
3543         case SWM_ARG_ID_MOVERIGHT:
3544                 win->g.x += (SWM_MOVE_STEPS - border_width);
3545                 move_step = 1;
3546                 break;
3547         case SWM_ARG_ID_MOVEUP:
3548                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3549                 move_step = 1;
3550                 break;
3551         case SWM_ARG_ID_MOVEDOWN:
3552                 win->g.y += (SWM_MOVE_STEPS - border_width);
3553                 move_step = 1;
3554                 break;
3555         default:
3556                 break;
3557         }
3558         if (move_step) {
3559                 move_window(win);
3560                 store_float_geom(win,r);
3561                 return;
3562         }
3563
3564
3565         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3566             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3567                 return;
3568         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3569         do {
3570                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3571                     SubstructureRedirectMask, &ev);
3572                 switch (ev.type) {
3573                 case ConfigureRequest:
3574                 case Expose:
3575                 case MapRequest:
3576                         handler[ev.type](&ev);
3577                         break;
3578                 case MotionNotify:
3579                         /* don't allow to move window origin out of region */
3580                         if (    ev.xmotion.x_root < r->g.x ||
3581                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3582                                 ev.xmotion.y_root < r->g.y ||
3583                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3584                                 continue;
3585
3586                         win->g.x = ev.xmotion.x_root - border_width;
3587                         win->g.y = ev.xmotion.y_root - border_width;
3588
3589                         /* not free, don't sync more than 120 times / second */
3590                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3591                                 time = ev.xmotion.time;
3592                                 XSync(display, False);
3593                                 move_window(win);
3594                         }
3595                         break;
3596                 }
3597         } while (ev.type != ButtonRelease);
3598         if (time) {
3599                 XSync(display, False);
3600                 move_window(win);
3601         }
3602         store_float_geom(win,r);
3603         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3604         XUngrabPointer(display, CurrentTime);
3605
3606         /* drain events */
3607         drain_enter_notify();
3608 }
3609
3610 void
3611 move_step(struct swm_region *r, union arg *args)
3612 {
3613         struct ws_win           *win = NULL;
3614
3615         if (r && r->ws && r->ws->focus)
3616                 win = r->ws->focus;
3617         else
3618                 return;
3619
3620         if (!(win->transient != 0 || win->floating != 0))
3621                 return;
3622
3623         move(win, args);
3624 }
3625
3626
3627 /* user/key callable function IDs */
3628 enum keyfuncid {
3629         kf_cycle_layout,
3630         kf_stack_reset,
3631         kf_master_shrink,
3632         kf_master_grow,
3633         kf_master_add,
3634         kf_master_del,
3635         kf_stack_inc,
3636         kf_stack_dec,
3637         kf_swap_main,
3638         kf_focus_next,
3639         kf_focus_prev,
3640         kf_swap_next,
3641         kf_swap_prev,
3642         kf_spawn_term,
3643         kf_spawn_menu,
3644         kf_quit,
3645         kf_restart,
3646         kf_focus_main,
3647         kf_ws_1,
3648         kf_ws_2,
3649         kf_ws_3,
3650         kf_ws_4,
3651         kf_ws_5,
3652         kf_ws_6,
3653         kf_ws_7,
3654         kf_ws_8,
3655         kf_ws_9,
3656         kf_ws_10,
3657         kf_ws_next,
3658         kf_ws_prev,
3659         kf_ws_prior,
3660         kf_screen_next,
3661         kf_screen_prev,
3662         kf_mvws_1,
3663         kf_mvws_2,
3664         kf_mvws_3,
3665         kf_mvws_4,
3666         kf_mvws_5,
3667         kf_mvws_6,
3668         kf_mvws_7,
3669         kf_mvws_8,
3670         kf_mvws_9,
3671         kf_mvws_10,
3672         kf_bar_toggle,
3673         kf_wind_kill,
3674         kf_wind_del,
3675         kf_screenshot_all,
3676         kf_screenshot_wind,
3677         kf_float_toggle,
3678         kf_version,
3679         kf_spawn_lock,
3680         kf_spawn_initscr,
3681         kf_spawn_custom,
3682         kf_iconify,
3683         kf_uniconify,
3684         kf_raise_toggle,
3685         kf_button2,
3686         kf_width_shrink,
3687         kf_width_grow,
3688         kf_height_shrink,
3689         kf_height_grow,
3690         kf_move_left,
3691         kf_move_right,
3692         kf_move_up,
3693         kf_move_down,
3694         kf_dumpwins, /* MUST BE LAST */
3695         kf_invalid
3696 };
3697
3698 /* key definitions */
3699 void
3700 dummykeyfunc(struct swm_region *r, union arg *args)
3701 {
3702 };
3703
3704 void
3705 legacyfunc(struct swm_region *r, union arg *args)
3706 {
3707 };
3708
3709 struct keyfunc {
3710         char                    name[SWM_FUNCNAME_LEN];
3711         void                    (*func)(struct swm_region *r, union arg *);
3712         union arg               args;
3713 } keyfuncs[kf_invalid + 1] = {
3714         /* name                 function        argument */
3715         { "cycle_layout",       cycle_layout,   {0} },
3716         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3717         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3718         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3719         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3720         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3721         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3722         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3723         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3724         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3725         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3726         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3727         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3728         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3729         { "spawn_menu",         legacyfunc,     {0} },
3730         { "quit",               quit,           {0} },
3731         { "restart",            restart,        {0} },
3732         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3733         { "ws_1",               switchws,       {.id = 0} },
3734         { "ws_2",               switchws,       {.id = 1} },
3735         { "ws_3",               switchws,       {.id = 2} },
3736         { "ws_4",               switchws,       {.id = 3} },
3737         { "ws_5",               switchws,       {.id = 4} },
3738         { "ws_6",               switchws,       {.id = 5} },
3739         { "ws_7",               switchws,       {.id = 6} },
3740         { "ws_8",               switchws,       {.id = 7} },
3741         { "ws_9",               switchws,       {.id = 8} },
3742         { "ws_10",              switchws,       {.id = 9} },
3743         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3744         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3745         { "ws_prior",           priorws,        {0} },
3746         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3747         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3748         { "mvws_1",             send_to_ws,     {.id = 0} },
3749         { "mvws_2",             send_to_ws,     {.id = 1} },
3750         { "mvws_3",             send_to_ws,     {.id = 2} },
3751         { "mvws_4",             send_to_ws,     {.id = 3} },
3752         { "mvws_5",             send_to_ws,     {.id = 4} },
3753         { "mvws_6",             send_to_ws,     {.id = 5} },
3754         { "mvws_7",             send_to_ws,     {.id = 6} },
3755         { "mvws_8",             send_to_ws,     {.id = 7} },
3756         { "mvws_9",             send_to_ws,     {.id = 8} },
3757         { "mvws_10",            send_to_ws,     {.id = 9} },
3758         { "bar_toggle",         bar_toggle,     {0} },
3759         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3760         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3761         { "screenshot_all",     legacyfunc,     {0} },
3762         { "screenshot_wind",    legacyfunc,     {0} },
3763         { "float_toggle",       floating_toggle,{0} },
3764         { "version",            version,        {0} },
3765         { "spawn_lock",         legacyfunc,     {0} },
3766         { "spawn_initscr",      legacyfunc,     {0} },
3767         { "spawn_custom",       dummykeyfunc,   {0} },
3768         { "iconify",            iconify,        {0} },
3769         { "uniconify",          uniconify,      {0} },
3770         { "raise_toggle",       raise_toggle,   {0} },
3771         { "button2",            pressbutton,    {2} },
3772         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
3773         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
3774         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
3775         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
3776         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
3777         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
3778         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
3779         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
3780         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3781         { "invalid key func",   NULL,           {0} },
3782 };
3783 struct key {
3784         unsigned int            mod;
3785         KeySym                  keysym;
3786         enum keyfuncid          funcid;
3787         char                    *spawn_name;
3788 };
3789 int                             keys_size = 0, keys_length = 0;
3790 struct key                      *keys = NULL;
3791
3792 /* mouse */
3793 enum { client_click, root_click };
3794 struct button {
3795         unsigned int            action;
3796         unsigned int            mask;
3797         unsigned int            button;
3798         void                    (*func)(struct ws_win *, union arg *);
3799         union arg               args;
3800 } buttons[] = {
3801           /* action     key             mouse button    func    args */
3802         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3803         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3804         { client_click, MODKEY,         Button1,        move,   {0} },
3805 };
3806
3807 void
3808 update_modkey(unsigned int mod)
3809 {
3810         int                     i;
3811
3812         mod_key = mod;
3813         for (i = 0; i < keys_length; i++)
3814                 if (keys[i].mod & ShiftMask)
3815                         keys[i].mod = mod | ShiftMask;
3816                 else
3817                         keys[i].mod = mod;
3818
3819         for (i = 0; i < LENGTH(buttons); i++)
3820                 if (buttons[i].mask & ShiftMask)
3821                         buttons[i].mask = mod | ShiftMask;
3822                 else
3823                         buttons[i].mask = mod;
3824 }
3825
3826 /* spawn */
3827 struct spawn_prog {
3828         char                    *name;
3829         int                     argc;
3830         char                    **argv;
3831 };
3832
3833 int                             spawns_size = 0, spawns_length = 0;
3834 struct spawn_prog               *spawns = NULL;
3835
3836 int
3837 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3838     char ***ret_args)
3839 {
3840         struct spawn_prog       *prog = NULL;
3841         int                     i;
3842         char                    *ap, **real_args;
3843
3844         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3845
3846         /* find program */
3847         for (i = 0; i < spawns_length; i++) {
3848                 if (!strcasecmp(spawn_name, spawns[i].name))
3849                         prog = &spawns[i];
3850         }
3851         if (prog == NULL) {
3852                 fprintf(stderr, "spawn_custom: program %s not found\n",
3853                     spawn_name);
3854                 return (-1);
3855         }
3856
3857         /* make room for expanded args */
3858         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3859                 err(1, "spawn_custom: calloc real_args");
3860
3861         /* expand spawn_args into real_args */
3862         for (i = 0; i < prog->argc; i++) {
3863                 ap = prog->argv[i];
3864                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3865                 if (!strcasecmp(ap, "$bar_border")) {
3866                         if ((real_args[i] =
3867                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3868                             == NULL)
3869                                 err(1,  "spawn_custom border color");
3870                 } else if (!strcasecmp(ap, "$bar_color")) {
3871                         if ((real_args[i] =
3872                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3873                             == NULL)
3874                                 err(1, "spawn_custom bar color");
3875                 } else if (!strcasecmp(ap, "$bar_font")) {
3876                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3877                             == NULL)
3878                                 err(1, "spawn_custom bar fonts");
3879                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3880                         if ((real_args[i] =
3881                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3882                             == NULL)
3883                                 err(1, "spawn_custom color font");
3884                 } else if (!strcasecmp(ap, "$color_focus")) {
3885                         if ((real_args[i] =
3886                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3887                             == NULL)
3888                                 err(1, "spawn_custom color focus");
3889                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3890                         if ((real_args[i] =
3891                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3892                             == NULL)
3893                                 err(1, "spawn_custom color unfocus");
3894                 } else {
3895                         /* no match --> copy as is */
3896                         if ((real_args[i] = strdup(ap)) == NULL)
3897                                 err(1, "spawn_custom strdup(ap)");
3898                 }
3899                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3900                     real_args[i]);
3901         }
3902
3903 #ifdef SWM_DEBUG
3904         if ((swm_debug & SWM_D_SPAWN) != 0) {
3905                 fprintf(stderr, "spawn_custom: result = ");
3906                 for (i = 0; i < prog->argc; i++)
3907                         fprintf(stderr, "\"%s\" ", real_args[i]);
3908                 fprintf(stderr, "\n");
3909         }
3910 #endif
3911         *ret_args = real_args;
3912         return (prog->argc);
3913 }
3914
3915 void
3916 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3917 {
3918         union arg               a;
3919         char                    **real_args;
3920         int                     spawn_argc, i;
3921
3922         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3923                 return;
3924         a.argv = real_args;
3925         if (fork() == 0)
3926                 spawn(r->ws->idx, &a, 1);
3927
3928         for (i = 0; i < spawn_argc; i++)
3929                 free(real_args[i]);
3930         free(real_args);
3931 }
3932
3933 void
3934 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3935 {
3936         union arg               a;
3937         char                    **real_args;
3938         int                     i, spawn_argc;
3939
3940         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3941                 return;
3942         a.argv = real_args;
3943
3944         if (pipe(select_list_pipe) == -1)
3945                 err(1, "pipe error");
3946         if (pipe(select_resp_pipe) == -1)
3947                 err(1, "pipe error");
3948
3949         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3950                 err(1, "could not disable SIGPIPE");
3951         switch (*pid = fork()) {
3952         case -1:
3953                 err(1, "cannot fork");
3954                 break;
3955         case 0: /* child */
3956                 if (dup2(select_list_pipe[0], 0) == -1)
3957                         errx(1, "dup2");
3958                 if (dup2(select_resp_pipe[1], 1) == -1)
3959                         errx(1, "dup2");
3960                 close(select_list_pipe[1]);
3961                 close(select_resp_pipe[0]);
3962                 spawn(r->ws->idx, &a, 0);
3963                 break;
3964         default: /* parent */
3965                 close(select_list_pipe[0]);
3966                 close(select_resp_pipe[1]);
3967                 break;
3968         }
3969
3970         for (i = 0; i < spawn_argc; i++)
3971                 free(real_args[i]);
3972         free(real_args);
3973 }
3974
3975 void
3976 setspawn(struct spawn_prog *prog)
3977 {
3978         int                     i, j;
3979
3980         if (prog == NULL || prog->name == NULL)
3981                 return;
3982
3983         /* find existing */
3984         for (i = 0; i < spawns_length; i++) {
3985                 if (!strcmp(spawns[i].name, prog->name)) {
3986                         /* found */
3987                         if (prog->argv == NULL) {
3988                                 /* delete */
3989                                 DNPRINTF(SWM_D_SPAWN,
3990                                     "setspawn: delete #%d %s\n",
3991                                     i, spawns[i].name);
3992                                 free(spawns[i].name);
3993                                 for (j = 0; j < spawns[i].argc; j++)
3994                                         free(spawns[i].argv[j]);
3995                                 free(spawns[i].argv);
3996                                 j = spawns_length - 1;
3997                                 if (i < j)
3998                                         spawns[i] = spawns[j];
3999                                 spawns_length--;
4000                                 free(prog->name);
4001                         } else {
4002                                 /* replace */
4003                                 DNPRINTF(SWM_D_SPAWN,
4004                                     "setspawn: replace #%d %s\n",
4005                                     i, spawns[i].name);
4006                                 free(spawns[i].name);
4007                                 for (j = 0; j < spawns[i].argc; j++)
4008                                         free(spawns[i].argv[j]);
4009                                 free(spawns[i].argv);
4010                                 spawns[i] = *prog;
4011                         }
4012                         /* found case handled */
4013                         free(prog);
4014                         return;
4015                 }
4016         }
4017
4018         if (prog->argv == NULL) {
4019                 fprintf(stderr,
4020                     "error: setspawn: cannot find program %s", prog->name);
4021                 free(prog);
4022                 return;
4023         }
4024
4025         /* not found: add */
4026         if (spawns_size == 0 || spawns == NULL) {
4027                 spawns_size = 4;
4028                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4029                 spawns = malloc((size_t)spawns_size *
4030                     sizeof(struct spawn_prog));
4031                 if (spawns == NULL) {
4032                         fprintf(stderr, "setspawn: malloc failed\n");
4033                         perror(" failed");
4034                         quit(NULL, NULL);
4035                 }
4036         } else if (spawns_length == spawns_size) {
4037                 spawns_size *= 2;
4038                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4039                 spawns = realloc(spawns, (size_t)spawns_size *
4040                     sizeof(struct spawn_prog));
4041                 if (spawns == NULL) {
4042                         fprintf(stderr, "setspawn: realloc failed\n");
4043                         perror(" failed");
4044                         quit(NULL, NULL);
4045                 }
4046         }
4047
4048         if (spawns_length < spawns_size) {
4049                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4050                     spawns_length, prog->name);
4051                 i = spawns_length++;
4052                 spawns[i] = *prog;
4053         } else {
4054                 fprintf(stderr, "spawns array problem?\n");
4055                 if (spawns == NULL) {
4056                         fprintf(stderr, "spawns array is NULL!\n");
4057                         quit(NULL, NULL);
4058                 }
4059         }
4060         free(prog);
4061 }
4062
4063 int
4064 setconfspawn(char *selector, char *value, int flags)
4065 {
4066         struct spawn_prog       *prog;
4067         char                    *vp, *cp, *word;
4068
4069         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4070         if ((prog = calloc(1, sizeof *prog)) == NULL)
4071                 err(1, "setconfspawn: calloc prog");
4072         prog->name = strdup(selector);
4073         if (prog->name == NULL)
4074                 err(1, "setconfspawn prog->name");
4075         if ((cp = vp = strdup(value)) == NULL)
4076                 err(1, "setconfspawn: strdup(value) ");
4077         while ((word = strsep(&cp, " \t")) != NULL) {
4078                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4079                 if (cp)
4080                         cp += (long)strspn(cp, " \t");
4081                 if (strlen(word) > 0) {
4082                         prog->argc++;
4083                         if ((prog->argv = realloc(prog->argv,
4084                             prog->argc * sizeof(char *))) == NULL)
4085                                 err(1, "setconfspawn: realloc");
4086                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4087                                 err(1, "setconfspawn: strdup");
4088                 }
4089         }
4090         free(vp);
4091
4092         setspawn(prog);
4093
4094         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4095         return (0);
4096 }
4097
4098 void
4099 setup_spawn(void)
4100 {
4101         setconfspawn("term",            "xterm",                0);
4102         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4103         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4104         setconfspawn("lock",            "xlock",                0);
4105         setconfspawn("initscr",         "initscreen.sh",        0);
4106         setconfspawn("menu",            "dmenu_run"
4107                                         " -fn $bar_font"
4108                                         " -nb $bar_color"
4109                                         " -nf $bar_font_color"
4110                                         " -sb $bar_border"
4111                                         " -sf $bar_color",      0);
4112         setconfspawn("uniconify",       "dmenu"
4113                                         " -i"
4114                                         " -fn $bar_font"
4115                                         " -nb $bar_color"
4116                                         " -nf $bar_font_color"
4117                                         " -sb $bar_border"
4118                                         " -sf $bar_color",      0);
4119 }
4120
4121 /* key bindings */
4122 #define SWM_MODNAME_SIZE        32
4123 #define SWM_KEY_WS              "\n+ \t"
4124 int
4125 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4126 {
4127         char                    *cp, *name;
4128         KeySym                  uks;
4129         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4130         if (mod == NULL || ks == NULL) {
4131                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4132                 return (1);
4133         }
4134         if (keystr == NULL || strlen(keystr) == 0) {
4135                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4136                 return (1);
4137         }
4138         cp = keystr;
4139         *ks = NoSymbol;
4140         *mod = 0;
4141         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4142                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4143                 if (cp)
4144                         cp += (long)strspn(cp, SWM_KEY_WS);
4145                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4146                         *mod |= currmod;
4147                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4148                         *mod |= Mod1Mask;
4149                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4150                         *mod += Mod2Mask;
4151                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4152                         *mod |= Mod3Mask;
4153                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4154                         *mod |= Mod4Mask;
4155                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4156                         *mod |= ShiftMask;
4157                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4158                         *mod |= ControlMask;
4159                 else {
4160                         *ks = XStringToKeysym(name);
4161                         XConvertCase(*ks, ks, &uks);
4162                         if (ks == NoSymbol) {
4163                                 DNPRINTF(SWM_D_KEY,
4164                                     "parsekeys: invalid key %s\n",
4165                                     name);
4166                                 return (1);
4167                         }
4168                 }
4169         }
4170         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4171         return (0);
4172 }
4173
4174 char *
4175 strdupsafe(char *str)
4176 {
4177         if (str == NULL)
4178                 return (NULL);
4179         else
4180                 return (strdup(str));
4181 }
4182
4183 void
4184 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4185     char *spawn_name)
4186 {
4187         int                     i, j;
4188         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4189             keyfuncs[kfid].name, spawn_name);
4190         /* find existing */
4191         for (i = 0; i < keys_length; i++) {
4192                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4193                         if (kfid == kf_invalid) {
4194                                 /* found: delete */
4195                                 DNPRINTF(SWM_D_KEY,
4196                                     "setkeybinding: delete #%d %s\n",
4197                                     i, keyfuncs[keys[i].funcid].name);
4198                                 free(keys[i].spawn_name);
4199                                 j = keys_length - 1;
4200                                 if (i < j)
4201                                         keys[i] = keys[j];
4202                                 keys_length--;
4203                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4204                                 return;
4205                         } else {
4206                                 /* found: replace */
4207                                 DNPRINTF(SWM_D_KEY,
4208                                     "setkeybinding: replace #%d %s %s\n",
4209                                     i, keyfuncs[keys[i].funcid].name,
4210                                     spawn_name);
4211                                 free(keys[i].spawn_name);
4212                                 keys[i].mod = mod;
4213                                 keys[i].keysym = ks;
4214                                 keys[i].funcid = kfid;
4215                                 keys[i].spawn_name = strdupsafe(spawn_name);
4216                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4217                                 return;
4218                         }
4219                 }
4220         }
4221         if (kfid == kf_invalid) {
4222                 fprintf(stderr,
4223                     "error: setkeybinding: cannot find mod/key combination");
4224                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4225                 return;
4226         }
4227         /* not found: add */
4228         if (keys_size == 0 || keys == NULL) {
4229                 keys_size = 4;
4230                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4231                 keys = malloc((size_t)keys_size * sizeof(struct key));
4232                 if (keys == NULL) {
4233                         fprintf(stderr, "malloc failed\n");
4234                         perror(" failed");
4235                         quit(NULL, NULL);
4236                 }
4237         } else if (keys_length == keys_size) {
4238                 keys_size *= 2;
4239                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4240                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4241                 if (keys == NULL) {
4242                         fprintf(stderr, "realloc failed\n");
4243                         perror(" failed");
4244                         quit(NULL, NULL);
4245                 }
4246         }
4247         if (keys_length < keys_size) {
4248                 j = keys_length++;
4249                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4250                     j, keyfuncs[kfid].name, spawn_name);
4251                 keys[j].mod = mod;
4252                 keys[j].keysym = ks;
4253                 keys[j].funcid = kfid;
4254                 keys[j].spawn_name = strdupsafe(spawn_name);
4255         } else {
4256                 fprintf(stderr, "keys array problem?\n");
4257                 if (keys == NULL) {
4258                         fprintf(stderr, "keys array problem\n");
4259                         quit(NULL, NULL);
4260                 }
4261         }
4262         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4263 }
4264
4265 int
4266 setconfbinding(char *selector, char *value, int flags)
4267 {
4268         enum keyfuncid          kfid;
4269         unsigned int            mod;
4270         KeySym                  ks;
4271         int                     i;
4272         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4273         if (selector == NULL) {
4274                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4275                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4276                         kfid = kf_invalid;
4277                         setkeybinding(mod, ks, kfid, NULL);
4278                         return (0);
4279                 } else
4280                         return (1);
4281         }
4282         /* search by key function name */
4283         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4284                 if (strncasecmp(selector, keyfuncs[kfid].name,
4285                     SWM_FUNCNAME_LEN) == 0) {
4286                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4287                             selector);
4288                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4289                                 setkeybinding(mod, ks, kfid, NULL);
4290                                 return (0);
4291                         } else
4292                                 return (1);
4293                 }
4294         }
4295         /* search by custom spawn name */
4296         for (i = 0; i < spawns_length; i++) {
4297                 if (strcasecmp(selector, spawns[i].name) == 0) {
4298                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4299                             selector);
4300                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4301                                 setkeybinding(mod, ks, kf_spawn_custom,
4302                                     spawns[i].name);
4303                                 return (0);
4304                         } else
4305                                 return (1);
4306                 }
4307         }
4308         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4309         return (1);
4310 }
4311
4312 void
4313 setup_keys(void)
4314 {
4315         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4316         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4317         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4318         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4319         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4320         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4321         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4322         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4323         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4324         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4325         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4326         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4327         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4328         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4329         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4330         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4331         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4332         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4333         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4334         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4335         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4336         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4337         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4338         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4339         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4340         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4341         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4342         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4343         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4344         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4345         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4346         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4347         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4348         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4349         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4350         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4351         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4352         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4353         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4354         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4355         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4356         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4357         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4358         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4359         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4360         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4361         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4362         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4363         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4364         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4365         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4366         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4367         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4368         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4369         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4370         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4371         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4372         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4373         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4374         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4375         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4376         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4377         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4378         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4379         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4380         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4381 #ifdef SWM_DEBUG
4382         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4383 #endif
4384 }
4385
4386 void
4387 updatenumlockmask(void)
4388 {
4389         unsigned int            i, j;
4390         XModifierKeymap         *modmap;
4391
4392         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4393         numlockmask = 0;
4394         modmap = XGetModifierMapping(display);
4395         for (i = 0; i < 8; i++)
4396                 for (j = 0; j < modmap->max_keypermod; j++)
4397                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4398                             == XKeysymToKeycode(display, XK_Num_Lock))
4399                                 numlockmask = (1 << i);
4400
4401         XFreeModifiermap(modmap);
4402 }
4403
4404 void
4405 grabkeys(void)
4406 {
4407         unsigned int            i, j, k;
4408         KeyCode                 code;
4409         unsigned int            modifiers[] =
4410             { 0, LockMask, numlockmask, numlockmask | LockMask };
4411
4412         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4413         updatenumlockmask();
4414
4415         for (k = 0; k < ScreenCount(display); k++) {
4416                 if (TAILQ_EMPTY(&screens[k].rl))
4417                         continue;
4418                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4419                 for (i = 0; i < keys_length; i++) {
4420                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4421                                 for (j = 0; j < LENGTH(modifiers); j++)
4422                                         XGrabKey(display, code,
4423                                             keys[i].mod | modifiers[j],
4424                                             screens[k].root, True,
4425                                             GrabModeAsync, GrabModeAsync);
4426                 }
4427         }
4428 }
4429
4430 void
4431 grabbuttons(struct ws_win *win, int focused)
4432 {
4433         unsigned int            i, j;
4434         unsigned int            modifiers[] =
4435             { 0, LockMask, numlockmask, numlockmask|LockMask };
4436
4437         updatenumlockmask();
4438         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4439         if (focused) {
4440                 for (i = 0; i < LENGTH(buttons); i++)
4441                         if (buttons[i].action == client_click)
4442                                 for (j = 0; j < LENGTH(modifiers); j++)
4443                                         XGrabButton(display, buttons[i].button,
4444                                             buttons[i].mask | modifiers[j],
4445                                             win->id, False, BUTTONMASK,
4446                                             GrabModeAsync, GrabModeSync, None,
4447                                             None);
4448         } else
4449                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4450                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4451 }
4452
4453 const char *quirkname[] = {
4454         "NONE",         /* config string for "no value" */
4455         "FLOAT",
4456         "TRANSSZ",
4457         "ANYWHERE",
4458         "XTERM_FONTADJ",
4459         "FULLSCREEN",
4460         "FOCUSPREV",
4461 };
4462
4463 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4464 #define SWM_Q_WS                "\n|+ \t"
4465 int
4466 parsequirks(char *qstr, unsigned long *quirk)
4467 {
4468         char                    *cp, *name;
4469         int                     i;
4470
4471         if (quirk == NULL)
4472                 return (1);
4473
4474         cp = qstr;
4475         *quirk = 0;
4476         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4477                 if (cp)
4478                         cp += (long)strspn(cp, SWM_Q_WS);
4479                 for (i = 0; i < LENGTH(quirkname); i++) {
4480                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4481                                 DNPRINTF(SWM_D_QUIRK,
4482                                     "parsequirks: %s\n", name);
4483                                 if (i == 0) {
4484                                         *quirk = 0;
4485                                         return (0);
4486                                 }
4487                                 *quirk |= 1 << (i-1);
4488                                 break;
4489                         }
4490                 }
4491                 if (i >= LENGTH(quirkname)) {
4492                         DNPRINTF(SWM_D_QUIRK,
4493                             "parsequirks: invalid quirk [%s]\n", name);
4494                         return (1);
4495                 }
4496         }
4497         return (0);
4498 }
4499
4500 void
4501 setquirk(const char *class, const char *name, const int quirk)
4502 {
4503         int                     i, j;
4504
4505         /* find existing */
4506         for (i = 0; i < quirks_length; i++) {
4507                 if (!strcmp(quirks[i].class, class) &&
4508                     !strcmp(quirks[i].name, name)) {
4509                         if (!quirk) {
4510                                 /* found: delete */
4511                                 DNPRINTF(SWM_D_QUIRK,
4512                                     "setquirk: delete #%d %s:%s\n",
4513                                     i, quirks[i].class, quirks[i].name);
4514                                 free(quirks[i].class);
4515                                 free(quirks[i].name);
4516                                 j = quirks_length - 1;
4517                                 if (i < j)
4518                                         quirks[i] = quirks[j];
4519                                 quirks_length--;
4520                                 return;
4521                         } else {
4522                                 /* found: replace */
4523                                 DNPRINTF(SWM_D_QUIRK,
4524                                     "setquirk: replace #%d %s:%s\n",
4525                                     i, quirks[i].class, quirks[i].name);
4526                                 free(quirks[i].class);
4527                                 free(quirks[i].name);
4528                                 quirks[i].class = strdup(class);
4529                                 quirks[i].name = strdup(name);
4530                                 quirks[i].quirk = quirk;
4531                                 return;
4532                         }
4533                 }
4534         }
4535         if (!quirk) {
4536                 fprintf(stderr,
4537                     "error: setquirk: cannot find class/name combination");
4538                 return;
4539         }
4540         /* not found: add */
4541         if (quirks_size == 0 || quirks == NULL) {
4542                 quirks_size = 4;
4543                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4544                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4545                 if (quirks == NULL) {
4546                         fprintf(stderr, "setquirk: malloc failed\n");
4547                         perror(" failed");
4548                         quit(NULL, NULL);
4549                 }
4550         } else if (quirks_length == quirks_size) {
4551                 quirks_size *= 2;
4552                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4553                 quirks = realloc(quirks,
4554                     (size_t)quirks_size * sizeof(struct quirk));
4555                 if (quirks == NULL) {
4556                         fprintf(stderr, "setquirk: realloc failed\n");
4557                         perror(" failed");
4558                         quit(NULL, NULL);
4559                 }
4560         }
4561         if (quirks_length < quirks_size) {
4562                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4563                 j = quirks_length++;
4564                 quirks[j].class = strdup(class);
4565                 quirks[j].name = strdup(name);
4566                 quirks[j].quirk = quirk;
4567         } else {
4568                 fprintf(stderr, "quirks array problem?\n");
4569                 if (quirks == NULL) {
4570                         fprintf(stderr, "quirks array problem!\n");
4571                         quit(NULL, NULL);
4572                 }
4573         }
4574 }
4575
4576 int
4577 setconfquirk(char *selector, char *value, int flags)
4578 {
4579         char                    *cp, *class, *name;
4580         int                     retval;
4581         unsigned long           quirks;
4582         if (selector == NULL)
4583                 return (0);
4584         if ((cp = strchr(selector, ':')) == NULL)
4585                 return (0);
4586         *cp = '\0';
4587         class = selector;
4588         name = cp + 1;
4589         if ((retval = parsequirks(value, &quirks)) == 0)
4590                 setquirk(class, name, quirks);
4591         return (retval);
4592 }
4593
4594 void
4595 setup_quirks(void)
4596 {
4597         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4598         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4599         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4600         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4601         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4602         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4603         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4604         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4605         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4606         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4607         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4608         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4609         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4610 }
4611
4612 /* conf file stuff */
4613 #define SWM_CONF_FILE   "scrotwm.conf"
4614
4615 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4616           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4617           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4618           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4619           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
4620           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4621           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4622           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
4623           SWM_S_VERBOSE_LAYOUT
4624         };
4625
4626 int
4627 setconfvalue(char *selector, char *value, int flags)
4628 {
4629         int i;
4630         switch (flags) {
4631         case SWM_S_BAR_DELAY:
4632                 bar_delay = atoi(value);
4633                 break;
4634         case SWM_S_BAR_ENABLED:
4635                 bar_enabled = atoi(value);
4636                 break;
4637         case SWM_S_BAR_BORDER_WIDTH:
4638                 bar_border_width = atoi(value);
4639                 break;
4640         case SWM_S_BAR_AT_BOTTOM:
4641                 bar_at_bottom = atoi(value);
4642                 break;
4643         case SWM_S_STACK_ENABLED:
4644                 stack_enabled = atoi(value);
4645                 break;
4646         case SWM_S_CLOCK_ENABLED:
4647                 clock_enabled = atoi(value);
4648                 break;
4649         case SWM_S_CLOCK_FORMAT:
4650 #ifndef SWM_DENY_CLOCK_FORMAT
4651                 free(clock_format);
4652                 if ((clock_format = strdup(value)) == NULL)
4653                         err(1, "setconfvalue: clock_format");
4654 #endif
4655                 break;
4656         case SWM_S_CYCLE_EMPTY:
4657                 cycle_empty = atoi(value);
4658                 break;
4659         case SWM_S_CYCLE_VISIBLE:
4660                 cycle_visible = atoi(value);
4661                 break;
4662         case SWM_S_SS_ENABLED:
4663                 ss_enabled = atoi(value);
4664                 break;
4665         case SWM_S_TERM_WIDTH:
4666                 term_width = atoi(value);
4667                 break;
4668         case SWM_S_TITLE_CLASS_ENABLED:
4669                 title_class_enabled = atoi(value);
4670                 break;
4671         case SWM_S_WINDOW_NAME_ENABLED:
4672                 window_name_enabled = atoi(value);
4673                 break;
4674         case SWM_S_TITLE_NAME_ENABLED:
4675                 title_name_enabled = atoi(value);
4676                 break;
4677         case SWM_S_URGENT_ENABLED:
4678                 urgent_enabled = atoi(value);
4679                 break;
4680         case SWM_S_FOCUS_MODE:
4681                 if (!strcmp(value, "default"))
4682                         focus_mode = SWM_FOCUS_DEFAULT;
4683                 else if (!strcmp(value, "follow_cursor"))
4684                         focus_mode = SWM_FOCUS_FOLLOW;
4685                 else if (!strcmp(value, "synergy"))
4686                         focus_mode = SWM_FOCUS_SYNERGY;
4687                 else
4688                         err(1, "focus_mode");
4689                 break;
4690         case SWM_S_DISABLE_BORDER:
4691                 disable_border = atoi(value);
4692                 break;
4693         case SWM_S_BORDER_WIDTH:
4694                 border_width = atoi(value);
4695                 break;
4696         case SWM_S_BAR_FONT:
4697                 free(bar_fonts[0]);
4698                 if ((bar_fonts[0] = strdup(value)) == NULL)
4699                         err(1, "setconfvalue: bar_font");
4700                 break;
4701         case SWM_S_BAR_ACTION:
4702                 free(bar_argv[0]);
4703                 if ((bar_argv[0] = strdup(value)) == NULL)
4704                         err(1, "setconfvalue: bar_action");
4705                 break;
4706         case SWM_S_SPAWN_TERM:
4707                 free(spawn_term[0]);
4708                 if ((spawn_term[0] = strdup(value)) == NULL)
4709                         err(1, "setconfvalue: spawn_term");
4710                 break;
4711         case SWM_S_SS_APP:
4712                 break;
4713         case SWM_S_DIALOG_RATIO:
4714                 dialog_ratio = atof(value);
4715                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4716                         dialog_ratio = .6;
4717                 break;
4718         case SWM_S_VERBOSE_LAYOUT:
4719                 verbose_layout = atoi(value);
4720                 for (i = 0; layouts[i].l_stack != NULL; i++) {
4721                         if (verbose_layout)
4722                                 layouts[i].l_string = fancy_stacker;
4723                         else
4724                                 layouts[i].l_string = plain_stacker;
4725                 }
4726                 break;
4727         default:
4728                 return (1);
4729         }
4730         return (0);
4731 }
4732
4733 int
4734 setconfmodkey(char *selector, char *value, int flags)
4735 {
4736         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4737                 update_modkey(Mod1Mask);
4738         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4739                 update_modkey(Mod2Mask);
4740         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4741                 update_modkey(Mod3Mask);
4742         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4743                 update_modkey(Mod4Mask);
4744         else
4745                 return (1);
4746         return (0);
4747 }
4748
4749 int
4750 setconfcolor(char *selector, char *value, int flags)
4751 {
4752         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4753         return (0);
4754 }
4755
4756 int
4757 setconfregion(char *selector, char *value, int flags)
4758 {
4759         custom_region(value);
4760         return (0);
4761 }
4762
4763 int
4764 setautorun(char *selector, char *value, int flags)
4765 {
4766         int                     ws_id;
4767         char                    s[1024];
4768         char                    *ap, *sp = s;
4769         union arg               a;
4770         int                     argc = 0;
4771         long                    pid;
4772         struct pid_e            *p;
4773
4774         if (getenv("SWM_STARTED"))
4775                 return (0);
4776
4777         bzero(s, sizeof s);
4778         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
4779                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'\n");
4780         ws_id--;
4781         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4782                 errx(1, "autorun: invalid workspace %d\n", ws_id + 1);
4783
4784         /*
4785          * This is a little intricate
4786          *
4787          * If the pid already exists we simply reuse it because it means it was
4788          * used before AND not claimed by manage_window.  We get away with
4789          * altering it in the parent after INSERT because this can not be a race
4790          */
4791         a.argv = NULL;
4792         while ((ap = strsep(&sp, " \t")) != NULL) {
4793                 if (*ap == '\0')
4794                         continue;
4795                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
4796                 argc++;
4797                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
4798                         err(1, "setautorun: realloc");
4799                 a.argv[argc - 1] = ap;
4800         }
4801
4802         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
4803                 err(1, "setautorun: realloc");
4804         a.argv[argc] = NULL;
4805
4806         if ((pid = fork()) == 0) {
4807                 spawn(ws_id, &a, 1);
4808                 /* NOTREACHED */
4809                 _exit(1);
4810         }
4811         free(a.argv);
4812
4813         /* parent */
4814         p = find_pid(pid);
4815         if (p == NULL) {
4816                 p = calloc(1, sizeof *p);
4817                 if (p == NULL)
4818                         return (1);
4819                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4820         }
4821
4822         p->pid = pid;
4823         p->ws = ws_id;
4824
4825         return (0);
4826 }
4827
4828 int
4829 setlayout(char *selector, char *value, int flags)
4830 {
4831         int                     ws_id, i, x, mg, ma, si, raise;
4832         int                     st = SWM_V_STACK;
4833         char                    s[1024];
4834         struct workspace        *ws;
4835
4836         if (getenv("SWM_STARTED"))
4837                 return (0);
4838
4839         bzero(s, sizeof s);
4840         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
4841             &ws_id, &mg, &ma, &si, &raise, s) != 6)
4842                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4843                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4844                     "<type>'\n");
4845         ws_id--;
4846         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4847                 errx(1, "layout: invalid workspace %d\n", ws_id + 1);
4848
4849         if (!strcasecmp(s, "vertical"))
4850                 st = SWM_V_STACK;
4851         else if (!strcasecmp(s, "horizontal"))
4852                 st = SWM_H_STACK;
4853         else if (!strcasecmp(s, "fullscreen"))
4854                 st = SWM_MAX_STACK;
4855         else
4856                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4857                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4858                     "<type>'\n");
4859
4860         for (i = 0; i < ScreenCount(display); i++) {
4861                 ws = (struct workspace *)&screens[i].ws;
4862                 ws[ws_id].cur_layout = &layouts[st];
4863
4864                 ws[ws_id].always_raise = raise;
4865                 if (st == SWM_MAX_STACK)
4866                         continue;
4867
4868                 /* master grow */
4869                 for (x = 0; x < abs(mg); x++) {
4870                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4871                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
4872                             SWM_ARG_ID_MASTERSHRINK);
4873                         stack();
4874                 }
4875                 /* master add */
4876                 for (x = 0; x < abs(ma); x++) {
4877                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4878                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
4879                             SWM_ARG_ID_MASTERDEL);
4880                         stack();
4881                 }
4882                 /* stack inc */
4883                 for (x = 0; x < abs(si); x++) {
4884                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4885                             si >= 0 ?  SWM_ARG_ID_STACKINC :
4886                             SWM_ARG_ID_STACKDEC);
4887                         stack();
4888                 }
4889         }
4890
4891         return (0);
4892 }
4893
4894 /* config options */
4895 struct config_option {
4896         char                    *optname;
4897         int                     (*func)(char*, char*, int);
4898         int                     funcflags;
4899 };
4900 struct config_option configopt[] = {
4901         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4902         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4903         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4904         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4905         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4906         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4907         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4908         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4909         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4910         { "bind",                       setconfbinding, 0 },
4911         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4912         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4913         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4914         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4915         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4916         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4917         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4918         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4919         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
4920         { "modkey",                     setconfmodkey,  0 },
4921         { "program",                    setconfspawn,   0 },
4922         { "quirk",                      setconfquirk,   0 },
4923         { "region",                     setconfregion,  0 },
4924         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4925         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4926         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4927         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4928         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
4929         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4930         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4931         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4932         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4933         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4934         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4935         { "autorun",                    setautorun,     0 },
4936         { "layout",                     setlayout,      0 },
4937 };
4938
4939
4940 int
4941 conf_load(char *filename)
4942 {
4943         FILE                    *config;
4944         char                    *line, *cp, *optsub, *optval;
4945         size_t                  linelen, lineno = 0;
4946         int                     wordlen, i, optind;
4947         struct config_option    *opt;
4948
4949         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4950
4951         if (filename == NULL) {
4952                 fprintf(stderr, "conf_load: no filename\n");
4953                 return (1);
4954         }
4955         if ((config = fopen(filename, "r")) == NULL) {
4956                 warn("conf_load: fopen");
4957                 return (1);
4958         }
4959
4960         while (!feof(config)) {
4961                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4962                     == NULL) {
4963                         if (ferror(config))
4964                                 err(1, "%s", filename);
4965                         else
4966                                 continue;
4967                 }
4968                 cp = line;
4969                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4970                 if (cp[0] == '\0') {
4971                         /* empty line */
4972                         free(line);
4973                         continue;
4974                 }
4975                 /* get config option */
4976                 wordlen = strcspn(cp, "=[ \t\n");
4977                 if (wordlen == 0) {
4978                         warnx("%s: line %zd: no option found",
4979                             filename, lineno);
4980                         return (1);
4981                 }
4982                 optind = -1;
4983                 for (i = 0; i < LENGTH(configopt); i++) {
4984                         opt = &configopt[i];
4985                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4986                             strlen(opt->optname) == wordlen) {
4987                                 optind = i;
4988                                 break;
4989                         }
4990                 }
4991                 if (optind == -1) {
4992                         warnx("%s: line %zd: unknown option %.*s",
4993                             filename, lineno, wordlen, cp);
4994                         return (1);
4995                 }
4996                 cp += wordlen;
4997                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4998                 /* get [selector] if any */
4999                 optsub = NULL;
5000                 if (*cp == '[') {
5001                         cp++;
5002                         wordlen = strcspn(cp, "]");
5003                         if (*cp != ']') {
5004                                 if (wordlen == 0) {
5005                                         warnx("%s: line %zd: syntax error",
5006                                             filename, lineno);
5007                                         return (1);
5008                                 }
5009                                 asprintf(&optsub, "%.*s", wordlen, cp);
5010                         }
5011                         cp += wordlen;
5012                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5013                 }
5014                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5015                 /* get RHS value */
5016                 optval = strdup(cp);
5017                 /* call function to deal with it all */
5018                 if (configopt[optind].func(optsub, optval,
5019                     configopt[optind].funcflags) != 0) {
5020                         fprintf(stderr, "%s line %zd: %s\n",
5021                             filename, lineno, line);
5022                         errx(1, "%s: line %zd: invalid data for %s",
5023                             filename, lineno, configopt[optind].optname);
5024                 }
5025                 free(optval);
5026                 free(optsub);
5027                 free(line);
5028         }
5029
5030         fclose(config);
5031         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5032
5033         return (0);
5034 }
5035
5036 void
5037 set_child_transient(struct ws_win *win, Window *trans)
5038 {
5039         struct ws_win           *parent, *w;
5040         XWMHints                *wmh = NULL;
5041         struct swm_region       *r;
5042         struct workspace        *ws;
5043
5044         parent = find_window(win->transient);
5045         if (parent)
5046                 parent->child_trans = win;
5047         else {
5048                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5049                     " for %lu trans %lu\n", win->id, win->transient);
5050
5051                 if (win->hints == NULL) {
5052                         fprintf(stderr, "no hints for %lu\n", win->id);
5053                         return;
5054                 }
5055
5056                 r = root_to_region(win->wa.root);
5057                 ws = r->ws;
5058                 /* parent doen't exist in our window list */
5059                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5060                         if (wmh)
5061                                 XFree(wmh);
5062
5063                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5064                                 fprintf(stderr, "can't get hints for %lu\n",
5065                                     w->id);
5066                                 continue;
5067                         }
5068
5069                         if (win->hints->window_group != wmh->window_group)
5070                                 continue;
5071
5072                         w->child_trans = win;
5073                         win->transient = w->id;
5074                         *trans = w->id;
5075                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5076                             "transient to %lu\n", win->transient);
5077                         break;
5078                 }
5079         }
5080
5081         if (wmh)
5082                 XFree(wmh);
5083 }
5084
5085 long
5086 window_get_pid(Window win)
5087 {
5088         Atom                    actual_type_return;
5089         int                     actual_format_return = 0;
5090         unsigned long           nitems_return = 0;
5091         unsigned long           bytes_after_return = 0;
5092         long                    *pid = NULL;
5093         long                    ret = 0;
5094         const char              *errstr;
5095         unsigned char           *prop = NULL;
5096
5097         if (XGetWindowProperty(display, win,
5098             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5099             XA_CARDINAL, &actual_type_return, &actual_format_return,
5100             &nitems_return, &bytes_after_return,
5101             (unsigned char**)(void*)&pid) != Success)
5102                 goto tryharder;
5103         if (actual_type_return != XA_CARDINAL)
5104                 goto tryharder;
5105         if (pid == NULL)
5106                 goto tryharder;
5107
5108         ret = *pid;
5109         XFree(pid);
5110
5111         return (ret);
5112
5113 tryharder:
5114         if (XGetWindowProperty(display, win,
5115             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5116             XA_STRING, &actual_type_return, &actual_format_return,
5117             &nitems_return, &bytes_after_return, &prop) != Success)
5118                 return (0);
5119         if (actual_type_return != XA_STRING)
5120                 return (0);
5121         if (prop == NULL)
5122                 return (0);
5123
5124         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5125         /* ignore error because strtonum returns 0 anyway */
5126         XFree(prop);
5127
5128         return (ret);
5129 }
5130
5131 struct ws_win *
5132 manage_window(Window id)
5133 {
5134         Window                  trans = 0;
5135         struct workspace        *ws;
5136         struct ws_win           *win, *ww;
5137         int                     format, i, ws_idx, n, border_me = 0;
5138         unsigned long           nitems, bytes;
5139         Atom                    ws_idx_atom = 0, type;
5140         Atom                    *prot = NULL, *pp;
5141         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5142         struct swm_region       *r;
5143         long                    mask;
5144         const char              *errstr;
5145         XWindowChanges          wc;
5146         struct pid_e            *p;
5147
5148         if ((win = find_window(id)) != NULL)
5149                 return (win);   /* already being managed */
5150
5151         /* see if we are on the unmanaged list */
5152         if ((win = find_unmanaged_window(id)) != NULL) {
5153                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5154                     "%lu\n", win->id);
5155                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5156                 if (win->transient) {
5157                         set_child_transient(win, &trans);
5158                 } if (trans && (ww = find_window(trans)))
5159                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5160                 else
5161                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5162                 ewmh_update_actions(win);
5163                 return (win);
5164         }
5165
5166         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5167                 errx(1, "calloc: failed to allocate memory for new window");
5168
5169         win->id = id;
5170
5171         /* see if we need to override the workspace */
5172         p = find_pid(window_get_pid(id));
5173
5174         /* Get all the window data in one shot */
5175         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5176         if (ws_idx_atom) {
5177                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5178                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5179         }
5180         XGetWindowAttributes(display, id, &win->wa);
5181         XGetWMNormalHints(display, id, &win->sh, &mask);
5182         win->hints = XGetWMHints(display, id);
5183         XGetTransientForHint(display, id, &trans);
5184         if (trans) {
5185                 win->transient = trans;
5186                 set_child_transient(win, &trans);
5187                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5188                     win->id, win->transient);
5189         }
5190
5191         /* get supported protocols */
5192         if (XGetWMProtocols(display, id, &prot, &n)) {
5193                 for (i = 0, pp = prot; i < n; i++, pp++) {
5194                         if (*pp == takefocus)
5195                                 win->take_focus = 1;
5196                         if (*pp == adelete)
5197                                 win->can_delete = 1;
5198                 }
5199                 if (prot)
5200                         XFree(prot);
5201         }
5202
5203         win->iconic = get_iconic(win);
5204
5205         /*
5206          * Figure out where to put the window. If it was previously assigned to
5207          * a workspace (either by spawn() or manually moving), and isn't
5208          * transient, * put it in the same workspace
5209          */
5210         r = root_to_region(win->wa.root);
5211         if (p) {
5212                 ws = &r->s->ws[p->ws];
5213                 TAILQ_REMOVE(&pidlist, p, entry);
5214                 free(p);
5215                 p = NULL;
5216         } else if (prop && win->transient == 0) {
5217                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5218                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5219                 if (errstr) {
5220                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5221                             errstr, prop);
5222                 }
5223                 ws = &r->s->ws[ws_idx];
5224         } else {
5225                 ws = r->ws;
5226                 /* this should launch transients in the same ws as parent */
5227                 if (id && trans)
5228                         if ((ww = find_window(trans)) != NULL)
5229                                 if (ws->r) {
5230                                         ws = ww->ws;
5231                                         if (ww->ws->r)
5232                                                 r = ww->ws->r;
5233                                         else
5234                                                 fprintf(stderr,
5235                                                     "fix this bug mcbride\n");
5236                                         border_me = 1;
5237                                 }
5238         }
5239
5240         /* set up the window layout */
5241         win->id = id;
5242         win->ws = ws;
5243         win->s = r->s;  /* this never changes */
5244         if (trans && (ww = find_window(trans)))
5245                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5246         else
5247                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5248
5249         win->g.w = win->wa.width;
5250         win->g.h = win->wa.height;
5251         win->g.x = win->wa.x;
5252         win->g.y = win->wa.y;
5253         win->g_floatvalid = 0;
5254         win->floatmaxed = 0;
5255         win->ewmh_flags = 0;
5256
5257         /* Set window properties so we can remember this after reincarnation */
5258         if (ws_idx_atom && prop == NULL &&
5259             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5260                 SWM_PROPLEN) {
5261                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5262                     ws_idx_str);
5263                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5264                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5265         }
5266         if (prop)
5267                 XFree(prop);
5268
5269         ewmh_autoquirk(win);
5270
5271         if (XGetClassHint(display, win->id, &win->ch)) {
5272                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5273                     win->ch.res_class, win->ch.res_name);
5274
5275                 /* java is retarded so treat it special */
5276                 if (strstr(win->ch.res_name, "sun-awt")) {
5277                         win->java = 1;
5278                         border_me = 1;
5279                 }
5280
5281                 for (i = 0; i < quirks_length; i++){
5282                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5283                             !strcmp(win->ch.res_name, quirks[i].name)) {
5284                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5285                                     win->ch.res_class, win->ch.res_name);
5286                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5287                                         win->floating = 1;
5288                                         border_me = 1;
5289                                 }
5290                                 win->quirks = quirks[i].quirk;
5291                         }
5292                 }
5293         }
5294
5295         /* alter window position if quirky */
5296         if (win->quirks & SWM_Q_ANYWHERE) {
5297                 win->manual = 1; /* don't center the quirky windows */
5298                 bzero(&wc, sizeof wc);
5299                 mask = 0;
5300                 if (bar_enabled && win->g.y < bar_height) {
5301                         win->g.y = wc.y = bar_height;
5302                         mask |= CWY;
5303                 }
5304                 if (win->g.w + win->g.x > WIDTH(r)) {
5305                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5306                         mask |= CWX;
5307                 }
5308                 border_me = 1;
5309         }
5310
5311         /* Reset font sizes (the bruteforce way; no default keybinding). */
5312         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5313                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5314                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5315                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5316                         fake_keypress(win, XK_KP_Add, ShiftMask);
5317         }
5318
5319         ewmh_get_win_state(win);
5320         ewmh_update_actions(win);
5321         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5322
5323         /* border me */
5324         if (border_me) {
5325                 bzero(&wc, sizeof wc);
5326                 wc.border_width = border_width;
5327                 mask = CWBorderWidth;
5328                 XConfigureWindow(display, win->id, mask, &wc);
5329         }
5330
5331         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5332             PropertyChangeMask | StructureNotifyMask);
5333
5334         /* floaters need to be mapped if they are in the current workspace */
5335         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5336                 XMapRaised(display, win->id);
5337
5338         return (win);
5339 }
5340
5341 void
5342 free_window(struct ws_win *win)
5343 {
5344         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5345
5346         if (win == NULL)
5347                 return;
5348
5349         /* needed for restart wm */
5350         set_win_state(win, WithdrawnState);
5351
5352         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5353
5354         if (win->ch.res_class)
5355                 XFree(win->ch.res_class);
5356         if (win->ch.res_name)
5357                 XFree(win->ch.res_name);
5358
5359         kill_refs(win);
5360
5361         /* paint memory */
5362         memset(win, 0xff, sizeof *win); /* XXX kill later */
5363
5364         free(win);
5365 }
5366
5367 void
5368 unmanage_window(struct ws_win *win)
5369 {
5370         struct ws_win           *parent;
5371
5372         if (win == NULL)
5373                 return;
5374
5375         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5376
5377         if (win->transient) {
5378                 parent = find_window(win->transient);
5379                 if (parent)
5380                         parent->child_trans = NULL;
5381         }
5382
5383         /* focus on root just in case */
5384         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5385
5386         focus_prev(win);
5387
5388         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5389         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5390
5391         kill_refs(win);
5392 }
5393
5394 void
5395 focus_magic(struct ws_win *win)
5396 {
5397         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5398
5399         if (win == NULL)
5400                 return;
5401
5402         if (win->child_trans) {
5403                 /* win = parent & has a transient so focus on that */
5404                 if (win->java) {
5405                         focus_win(win->child_trans);
5406                         if (win->child_trans->take_focus)
5407                                 client_msg(win, takefocus);
5408                 } else {
5409                         /* make sure transient hasn't dissapeared */
5410                         if (validate_win(win->child_trans) == 0) {
5411                                 focus_win(win->child_trans);
5412                                 if (win->child_trans->take_focus)
5413                                         client_msg(win->child_trans, takefocus);
5414                         } else {
5415                                 win->child_trans = NULL;
5416                                 focus_win(win);
5417                                 if (win->take_focus)
5418                                         client_msg(win, takefocus);
5419                         }
5420                 }
5421         } else {
5422                 /* regular focus */
5423                 focus_win(win);
5424                 if (win->take_focus)
5425                         client_msg(win, takefocus);
5426         }
5427 }
5428
5429 void
5430 expose(XEvent *e)
5431 {
5432         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5433 }
5434
5435 void
5436 keypress(XEvent *e)
5437 {
5438         unsigned int            i;
5439         KeySym                  keysym;
5440         XKeyEvent               *ev = &e->xkey;
5441
5442         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5443
5444         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5445         for (i = 0; i < keys_length; i++)
5446                 if (keysym == keys[i].keysym
5447                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5448                     && keyfuncs[keys[i].funcid].func) {
5449                         if (keys[i].funcid == kf_spawn_custom)
5450                                 spawn_custom(
5451                                     root_to_region(ev->root),
5452                                     &(keyfuncs[keys[i].funcid].args),
5453                                     keys[i].spawn_name
5454                                     );
5455                         else
5456                                 keyfuncs[keys[i].funcid].func(
5457                                     root_to_region(ev->root),
5458                                     &(keyfuncs[keys[i].funcid].args)
5459                                     );
5460                 }
5461 }
5462
5463 void
5464 buttonpress(XEvent *e)
5465 {
5466         struct ws_win           *win;
5467         int                     i, action;
5468         XButtonPressedEvent     *ev = &e->xbutton;
5469
5470         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5471
5472         if ((win = find_window(ev->window)) == NULL)
5473                 return;
5474
5475         focus_magic(win);
5476         action = client_click;
5477
5478         for (i = 0; i < LENGTH(buttons); i++)
5479                 if (action == buttons[i].action && buttons[i].func &&
5480                     buttons[i].button == ev->button &&
5481                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5482                         buttons[i].func(win, &buttons[i].args);
5483 }
5484
5485 void
5486 configurerequest(XEvent *e)
5487 {
5488         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5489         struct ws_win           *win;
5490         int                     new = 0;
5491         XWindowChanges          wc;
5492
5493         if ((win = find_window(ev->window)) == NULL)
5494                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5495                         new = 1;
5496
5497         if (new) {
5498                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5499                     ev->window);
5500                 bzero(&wc, sizeof wc);
5501                 wc.x = ev->x;
5502                 wc.y = ev->y;
5503                 wc.width = ev->width;
5504                 wc.height = ev->height;
5505                 wc.border_width = ev->border_width;
5506                 wc.sibling = ev->above;
5507                 wc.stack_mode = ev->detail;
5508                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5509         } else {
5510                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5511                     ev->window);
5512                 config_win(win, ev);
5513         }
5514 }
5515
5516 void
5517 configurenotify(XEvent *e)
5518 {
5519         struct ws_win           *win;
5520         long                    mask;
5521
5522         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5523             e->xconfigure.window);
5524
5525         win = find_window(e->xconfigure.window);
5526         if (win) {
5527                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5528                 adjust_font(win);
5529                 if (font_adjusted)
5530                         stack();
5531                 if (focus_mode == SWM_FOCUS_DEFAULT)
5532                         drain_enter_notify();
5533         }
5534 }
5535
5536 void
5537 destroynotify(XEvent *e)
5538 {
5539         struct ws_win           *win;
5540         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5541
5542         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5543
5544         if ((win = find_window(ev->window)) == NULL) {
5545                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5546                         return;
5547                 free_window(win);
5548                 return;
5549         }
5550
5551         /* make sure we focus on something */
5552         win->floating = 0;
5553
5554         unmanage_window(win);
5555         stack();
5556         if (focus_mode == SWM_FOCUS_DEFAULT)
5557                 drain_enter_notify();
5558         free_window(win);
5559 }
5560
5561 void
5562 enternotify(XEvent *e)
5563 {
5564         XCrossingEvent          *ev = &e->xcrossing;
5565         XEvent                  cne;
5566         struct ws_win           *win;
5567 #if 0
5568         struct ws_win           *w;
5569         Window                  focus_return;
5570         int                     revert_to_return;
5571 #endif
5572         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5573             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5574             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5575             ev->same_screen, ev->focus, ev->state);
5576
5577         switch (focus_mode) {
5578         case SWM_FOCUS_DEFAULT:
5579                 break;
5580         case SWM_FOCUS_FOLLOW:
5581                 break;
5582         case SWM_FOCUS_SYNERGY:
5583 #if 0
5584         /*
5585          * all these checks need to be in this order because the
5586          * XCheckTypedWindowEvent relies on weeding out the previous events
5587          *
5588          * making this code an option would enable a follow mouse for focus
5589          * feature
5590          */
5591
5592         /*
5593          * state is set when we are switching workspaces and focus is set when
5594          * the window or a subwindow already has focus (occurs during restart).
5595          *
5596          * Only honor the focus flag if last_focus_event is not FocusOut,
5597          * this allows scrotwm to continue to control focus when another
5598          * program is also playing with it.
5599          */
5600         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5601                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5602                 return;
5603         }
5604
5605         /*
5606          * happens when a window is created or destroyed and the border
5607          * crosses the mouse pointer and when switching ws
5608          *
5609          * we need the subwindow test to see if we came from root in order
5610          * to give focus to floaters
5611          */
5612         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5613             ev->subwindow == 0) {
5614                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5615                 return;
5616         }
5617
5618         /* this window already has focus */
5619         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5620                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5621                 return;
5622         }
5623
5624         /* this window is being deleted or moved to another ws */
5625         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5626             &cne) == True) {
5627                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5628                 XPutBackEvent(display, &cne);
5629                 return;
5630         }
5631
5632         if ((win = find_window(ev->window)) == NULL) {
5633                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5634                 return;
5635         }
5636
5637         /*
5638          * In fullstack kill all enters unless they come from a different ws
5639          * (i.e. another region) or focus has been grabbed externally.
5640          */
5641         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5642             last_focus_event != FocusOut) {
5643                 XGetInputFocus(display, &focus_return, &revert_to_return);
5644                 if ((w = find_window(focus_return)) == NULL ||
5645                     w->ws == win->ws) {
5646                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5647                         return;
5648                 }
5649         }
5650 #endif
5651                 break;
5652         }
5653
5654         if ((win = find_window(ev->window)) == NULL) {
5655                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5656                 return;
5657         }
5658
5659         /*
5660          * if we have more enternotifies let them handle it in due time
5661          */
5662         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5663                 DNPRINTF(SWM_D_EVENT,
5664                     "ignoring enternotify: got more enternotify\n");
5665                 XPutBackEvent(display, &cne);
5666                 return;
5667         }
5668
5669         focus_magic(win);
5670 }
5671
5672 /* lets us use one switch statement for arbitrary mode/detail combinations */
5673 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5674
5675 void
5676 focusevent(XEvent *e)
5677 {
5678 #if 0
5679         struct ws_win           *win;
5680         u_int32_t               mode_detail;
5681         XFocusChangeEvent       *ev = &e->xfocus;
5682
5683         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5684             ev->type == FocusIn ? "entering" : "leaving",
5685             ev->window, ev->mode, ev->detail);
5686
5687         if (last_focus_event == ev->type) {
5688                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5689                 return;
5690         }
5691
5692         last_focus_event = ev->type;
5693         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5694
5695         switch (mode_detail) {
5696         /* synergy client focus operations */
5697         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5698         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5699
5700         /* synergy server focus operations */
5701         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5702
5703         /* Entering applications like rdesktop that mangle the pointer */
5704         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5705
5706                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5707                         XSetWindowBorder(display, win->id,
5708                             win->ws->r->s->c[ev->type == FocusIn ?
5709                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5710                 break;
5711         default:
5712                 fprintf(stderr, "ignoring focusevent\n");
5713                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5714                 break;
5715         }
5716 #endif
5717 }
5718
5719 void
5720 mapnotify(XEvent *e)
5721 {
5722         struct ws_win           *win;
5723         XMapEvent               *ev = &e->xmap;
5724
5725         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5726
5727         win = manage_window(ev->window);
5728         if (win)
5729                 set_win_state(win, NormalState);
5730 }
5731
5732 void
5733 mappingnotify(XEvent *e)
5734 {
5735         XMappingEvent           *ev = &e->xmapping;
5736
5737         XRefreshKeyboardMapping(ev);
5738         if (ev->request == MappingKeyboard)
5739                 grabkeys();
5740 }
5741
5742 void
5743 maprequest(XEvent *e)
5744 {
5745         struct ws_win           *win;
5746         struct swm_region       *r;
5747         XWindowAttributes       wa;
5748         XMapRequestEvent        *ev = &e->xmaprequest;
5749
5750         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5751             e->xmaprequest.window);
5752
5753         if (!XGetWindowAttributes(display, ev->window, &wa))
5754                 return;
5755         if (wa.override_redirect)
5756                 return;
5757
5758         win = manage_window(e->xmaprequest.window);
5759         if (win == NULL)
5760                 return; /* can't happen */
5761
5762         stack();
5763
5764         /* make new win focused */
5765         r = root_to_region(win->wa.root);
5766         if (win->ws == r->ws)
5767                 focus_magic(win);
5768 }
5769
5770 void
5771 propertynotify(XEvent *e)
5772 {
5773         struct ws_win           *win;
5774         XPropertyEvent          *ev = &e->xproperty;
5775
5776         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5777             ev->window);
5778
5779         win = find_window(ev->window);
5780         if (win == NULL)
5781                 return;
5782
5783         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5784                 update_iconic(win, 0);
5785                 XMapRaised(display, win->id);
5786                 stack();
5787                 focus_win(win);
5788                 return;
5789         }
5790
5791         switch (ev->atom) {
5792         case XA_WM_NORMAL_HINTS:
5793 #if 0
5794                 long            mask;
5795                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5796                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5797                 if (win->sh.flags & PMinSize) {
5798                         win->g.w = win->sh.min_width;
5799                         win->g.h = win->sh.min_height;
5800                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5801                 }
5802                 XMoveResizeWindow(display, win->id,
5803                     win->g.x, win->g.y, win->g.w, win->g.h);
5804 #endif
5805                 if (window_name_enabled)
5806                         bar_update();
5807                 break;
5808         default:
5809                 break;
5810         }
5811 }
5812
5813 void
5814 unmapnotify(XEvent *e)
5815 {
5816         struct ws_win           *win;
5817
5818         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5819
5820         /* determine if we need to help unmanage this window */
5821         win = find_window(e->xunmap.window);
5822         if (win == NULL)
5823                 return;
5824
5825         if (getstate(e->xunmap.window) == NormalState) {
5826                 unmanage_window(win);
5827                 stack();
5828
5829                 /* giant hack for apps that don't destroy transient windows */
5830                 /* eat a bunch of events to prevent remanaging the window */
5831                 XEvent                  cne;
5832                 while (XCheckWindowEvent(display, e->xunmap.window,
5833                     EnterWindowMask, &cne))
5834                         ;
5835                 while (XCheckWindowEvent(display, e->xunmap.window,
5836                     StructureNotifyMask, &cne))
5837                         ;
5838                 while (XCheckWindowEvent(display, e->xunmap.window,
5839                     SubstructureNotifyMask, &cne))
5840                         ;
5841                 /* resend unmap because we ated it */
5842                 XUnmapWindow(display, e->xunmap.window);
5843         }
5844
5845         if (focus_mode == SWM_FOCUS_DEFAULT)
5846                 drain_enter_notify();
5847 }
5848
5849 void
5850 visibilitynotify(XEvent *e)
5851 {
5852         int                     i;
5853         struct swm_region       *r;
5854
5855         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5856             e->xvisibility.window);
5857         if (e->xvisibility.state == VisibilityUnobscured)
5858                 for (i = 0; i < ScreenCount(display); i++)
5859                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5860                                 if (e->xvisibility.window == r->bar_window)
5861                                         bar_update();
5862 }
5863
5864 void
5865 clientmessage(XEvent *e)
5866 {
5867         XClientMessageEvent *ev;
5868         struct ws_win *win;
5869
5870         ev = &e->xclient;
5871
5872         win = find_window(ev->window);
5873         if (win == NULL)
5874                 return;
5875
5876         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5877             ev->window, ev->message_type);
5878
5879         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5880                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5881                 focus_win(win);
5882         }
5883         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5884                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5885                 if (win->can_delete)
5886                         client_msg(win, adelete);
5887                 else
5888                         XKillClient(display, win->id);
5889         }
5890         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5891                 DNPRINTF(SWM_D_EVENT,
5892                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5893                 if (win->floating) {
5894                         if (ev->data.l[0] & (1<<8)) /* x */
5895                                 win->g.x = ev->data.l[1];
5896                         if (ev->data.l[0] & (1<<9)) /* y */
5897                                 win->g.y = ev->data.l[2];
5898                         if (ev->data.l[0] & (1<<10)) /* width */
5899                                 win->g.w = ev->data.l[3];
5900                         if (ev->data.l[0] & (1<<11)) /* height */
5901                                 win->g.h = ev->data.l[4];
5902                 }
5903                 else {
5904                         /* TODO: Change stack sizes */
5905                 }
5906                 config_win(win, NULL);
5907         }
5908         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5909                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5910                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5911                 if (ev->data.l[2])
5912                         ewmh_update_win_state(win, ev->data.l[2],
5913                             ev->data.l[0]);
5914
5915                 stack();
5916         }
5917 }
5918
5919 int
5920 xerror_start(Display *d, XErrorEvent *ee)
5921 {
5922         other_wm = 1;
5923         return (-1);
5924 }
5925
5926 int
5927 xerror(Display *d, XErrorEvent *ee)
5928 {
5929         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5930         return (-1);
5931 }
5932
5933 int
5934 active_wm(void)
5935 {
5936         other_wm = 0;
5937         xerrorxlib = XSetErrorHandler(xerror_start);
5938
5939         /* this causes an error if some other window manager is running */
5940         XSelectInput(display, DefaultRootWindow(display),
5941             SubstructureRedirectMask);
5942         XSync(display, False);
5943         if (other_wm)
5944                 return (1);
5945
5946         XSetErrorHandler(xerror);
5947         XSync(display, False);
5948         return (0);
5949 }
5950
5951 void
5952 new_region(struct swm_screen *s, int x, int y, int w, int h)
5953 {
5954         struct swm_region       *r, *n;
5955         struct workspace        *ws = NULL;
5956         int                     i;
5957
5958         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5959              s->idx, w, h, x, y);
5960
5961         /* remove any conflicting regions */
5962         n = TAILQ_FIRST(&s->rl);
5963         while (n) {
5964                 r = n;
5965                 n = TAILQ_NEXT(r, entry);
5966                 if (X(r) < (x + w) &&
5967                     (X(r) + WIDTH(r)) > x &&
5968                     Y(r) < (y + h) &&
5969                     (Y(r) + HEIGHT(r)) > y) {
5970                         if (r->ws->r != NULL)
5971                                 r->ws->old_r = r->ws->r;
5972                         r->ws->r = NULL;
5973                         XDestroyWindow(display, r->bar_window);
5974                         TAILQ_REMOVE(&s->rl, r, entry);
5975                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5976                 }
5977         }
5978
5979         /* search old regions for one to reuse */
5980
5981         /* size + location match */
5982         TAILQ_FOREACH(r, &s->orl, entry)
5983                 if (X(r) == x && Y(r) == y &&
5984                     HEIGHT(r) == h && WIDTH(r) == w)
5985                         break;
5986
5987         /* size match */
5988         TAILQ_FOREACH(r, &s->orl, entry)
5989                 if (HEIGHT(r) == h && WIDTH(r) == w)
5990                         break;
5991
5992         if (r != NULL) {
5993                 TAILQ_REMOVE(&s->orl, r, entry);
5994                 /* try to use old region's workspace */
5995                 if (r->ws->r == NULL)
5996                         ws = r->ws;
5997         } else
5998                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5999                         errx(1, "calloc: failed to allocate memory for screen");
6000
6001         /* if we don't have a workspace already, find one */
6002         if (ws == NULL) {
6003                 for (i = 0; i < SWM_WS_MAX; i++)
6004                         if (s->ws[i].r == NULL) {
6005                                 ws = &s->ws[i];
6006                                 break;
6007                         }
6008         }
6009
6010         if (ws == NULL)
6011                 errx(1, "no free workspaces\n");
6012
6013         X(r) = x;
6014         Y(r) = y;
6015         WIDTH(r) = w;
6016         HEIGHT(r) = h;
6017         r->s = s;
6018         r->ws = ws;
6019         r->ws_prior = NULL;
6020         ws->r = r;
6021         outputs++;
6022         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6023 }
6024
6025 void
6026 scan_xrandr(int i)
6027 {
6028 #ifdef SWM_XRR_HAS_CRTC
6029         XRRCrtcInfo             *ci;
6030         XRRScreenResources      *sr;
6031         int                     c;
6032         int                     ncrtc = 0;
6033 #endif /* SWM_XRR_HAS_CRTC */
6034         struct swm_region       *r;
6035
6036
6037         if (i >= ScreenCount(display))
6038                 errx(1, "invalid screen");
6039
6040         /* remove any old regions */
6041         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6042                 r->ws->old_r = r->ws->r = NULL;
6043                 XDestroyWindow(display, r->bar_window);
6044                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6045                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6046         }
6047         outputs = 0;
6048
6049         /* map virtual screens onto physical screens */
6050 #ifdef SWM_XRR_HAS_CRTC
6051         if (xrandr_support) {
6052                 sr = XRRGetScreenResources(display, screens[i].root);
6053                 if (sr == NULL)
6054                         new_region(&screens[i], 0, 0,
6055                             DisplayWidth(display, i),
6056                             DisplayHeight(display, i));
6057                 else
6058                         ncrtc = sr->ncrtc;
6059
6060                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6061                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6062                         if (ci->noutput == 0)
6063                                 continue;
6064
6065                         if (ci != NULL && ci->mode == None)
6066                                 new_region(&screens[i], 0, 0,
6067                                     DisplayWidth(display, i),
6068                                     DisplayHeight(display, i));
6069                         else
6070                                 new_region(&screens[i],
6071                                     ci->x, ci->y, ci->width, ci->height);
6072                 }
6073                 if (ci)
6074                         XRRFreeCrtcInfo(ci);
6075                 XRRFreeScreenResources(sr);
6076         } else
6077 #endif /* SWM_XRR_HAS_CRTC */
6078         {
6079                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6080                     DisplayHeight(display, i));
6081         }
6082 }
6083
6084 void
6085 screenchange(XEvent *e) {
6086         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6087         struct swm_region               *r;
6088         int                             i;
6089
6090         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6091
6092         if (!XRRUpdateConfiguration(e))
6093                 return;
6094
6095         /* silly event doesn't include the screen index */
6096         for (i = 0; i < ScreenCount(display); i++)
6097                 if (screens[i].root == xe->root)
6098                         break;
6099         if (i >= ScreenCount(display))
6100                 errx(1, "screenchange: screen not found\n");
6101
6102         /* brute force for now, just re-enumerate the regions */
6103         scan_xrandr(i);
6104
6105         /* add bars to all regions */
6106         for (i = 0; i < ScreenCount(display); i++)
6107                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6108                         bar_setup(r);
6109         stack();
6110         if (focus_mode == SWM_FOCUS_DEFAULT)
6111                 drain_enter_notify();
6112 }
6113
6114 void
6115 grab_windows(void)
6116 {
6117         Window                  d1, d2, *wins = NULL;
6118         XWindowAttributes       wa;
6119         unsigned int            no;
6120         int                     i, j;
6121         long                    state, manage;
6122
6123         for (i = 0; i < ScreenCount(display); i++) {
6124                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6125                         continue;
6126
6127                 /* attach windows to a region */
6128                 /* normal windows */
6129                 for (j = 0; j < no; j++) {
6130                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6131                             wa.override_redirect ||
6132                             XGetTransientForHint(display, wins[j], &d1))
6133                                 continue;
6134
6135                         state = getstate(wins[j]);
6136                         manage = state == IconicState;
6137                         if (wa.map_state == IsViewable || manage)
6138                                 manage_window(wins[j]);
6139                 }
6140                 /* transient windows */
6141                 for (j = 0; j < no; j++) {
6142                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6143                             wa.override_redirect)
6144                                 continue;
6145
6146                         state = getstate(wins[j]);
6147                         manage = state == IconicState;
6148                         if (XGetTransientForHint(display, wins[j], &d1) &&
6149                             manage)
6150                                 manage_window(wins[j]);
6151                 }
6152                 if (wins) {
6153                         XFree(wins);
6154                         wins = NULL;
6155                 }
6156         }
6157 }
6158
6159 void
6160 setup_screens(void)
6161 {
6162         int                     i, j, k;
6163         int                     errorbase, major, minor;
6164         struct workspace        *ws;
6165
6166         if ((screens = calloc(ScreenCount(display),
6167              sizeof(struct swm_screen))) == NULL)
6168                 errx(1, "calloc: screens");
6169
6170         /* initial Xrandr setup */
6171         xrandr_support = XRRQueryExtension(display,
6172             &xrandr_eventbase, &errorbase);
6173         if (xrandr_support)
6174                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6175                         xrandr_support = 0;
6176
6177         /* map physical screens */
6178         for (i = 0; i < ScreenCount(display); i++) {
6179                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6180                 screens[i].idx = i;
6181                 TAILQ_INIT(&screens[i].rl);
6182                 TAILQ_INIT(&screens[i].orl);
6183                 screens[i].root = RootWindow(display, i);
6184
6185                 /* set default colors */
6186                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6187                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6188                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6189                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6190                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6191
6192                 /* set default cursor */
6193                 XDefineCursor(display, screens[i].root,
6194                     XCreateFontCursor(display, XC_left_ptr));
6195
6196                 /* init all workspaces */
6197                 /* XXX these should be dynamically allocated too */
6198                 for (j = 0; j < SWM_WS_MAX; j++) {
6199                         ws = &screens[i].ws[j];
6200                         ws->idx = j;
6201                         ws->focus = NULL;
6202                         ws->r = NULL;
6203                         ws->old_r = NULL;
6204                         TAILQ_INIT(&ws->winlist);
6205                         TAILQ_INIT(&ws->unmanagedlist);
6206
6207                         for (k = 0; layouts[k].l_stack != NULL; k++)
6208                                 if (layouts[k].l_config != NULL)
6209                                         layouts[k].l_config(ws,
6210                                             SWM_ARG_ID_STACKINIT);
6211                         ws->cur_layout = &layouts[0];
6212                         ws->cur_layout->l_string(ws);
6213                 }
6214
6215                 scan_xrandr(i);
6216
6217                 if (xrandr_support)
6218                         XRRSelectInput(display, screens[i].root,
6219                             RRScreenChangeNotifyMask);
6220         }
6221 }
6222
6223 void
6224 setup_globals(void)
6225 {
6226         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6227             == NULL)
6228                 err(1, "setup_globals: strdup");
6229         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6230             == NULL)
6231                 err(1, "setup_globals: strdup");
6232         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6233             == NULL)
6234                 err(1, "setup_globals: strdup");
6235         if ((spawn_term[0] = strdup("xterm")) == NULL)
6236                 err(1, "setup_globals: strdup");
6237         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6238                 errx(1, "strdup");
6239 }
6240
6241 void
6242 workaround(void)
6243 {
6244         int                     i;
6245         Atom                    netwmcheck, netwmname, utf8_string;
6246         Window                  root, win;
6247
6248         /* work around sun jdk bugs, code from wmname */
6249         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6250         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6251         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6252         for (i = 0; i < ScreenCount(display); i++) {
6253                 root = screens[i].root;
6254                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6255                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6256                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6257
6258                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6259                     PropModeReplace, (unsigned char *)&win,1);
6260                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6261                     PropModeReplace, (unsigned char *)&win,1);
6262                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6263                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6264         }
6265 }
6266
6267 int
6268 main(int argc, char *argv[])
6269 {
6270         struct passwd           *pwd;
6271         struct swm_region       *r, *rr;
6272         struct ws_win           *winfocus = NULL;
6273         struct timeval          tv;
6274         union arg               a;
6275         char                    conf[PATH_MAX], *cfile = NULL;
6276         struct stat             sb;
6277         XEvent                  e;
6278         int                     xfd, i;
6279         fd_set                  rd;
6280         struct sigaction        sact;
6281
6282         start_argv = argv;
6283         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
6284             SWM_VERSION, cvstag);
6285         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
6286                 warnx("no locale support");
6287
6288         if (!(display = XOpenDisplay(0)))
6289                 errx(1, "can not open display");
6290
6291         if (active_wm())
6292                 errx(1, "other wm running");
6293
6294         /* handle some signals */
6295         bzero(&sact, sizeof(sact));
6296         sigemptyset(&sact.sa_mask);
6297         sact.sa_flags = 0;
6298         sact.sa_handler = sighdlr;
6299         sigaction(SIGINT, &sact, NULL);
6300         sigaction(SIGQUIT, &sact, NULL);
6301         sigaction(SIGTERM, &sact, NULL);
6302         sigaction(SIGHUP, &sact, NULL);
6303
6304         sact.sa_handler = sighdlr;
6305         sact.sa_flags = SA_NOCLDSTOP;
6306         sigaction(SIGCHLD, &sact, NULL);
6307
6308         astate = XInternAtom(display, "WM_STATE", False);
6309         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6310         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6311         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6312         a_wmname = XInternAtom(display, "WM_NAME", False);
6313         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6314         a_string = XInternAtom(display, "STRING", False);
6315         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6316
6317         /* look for local and global conf file */
6318         pwd = getpwuid(getuid());
6319         if (pwd == NULL)
6320                 errx(1, "invalid user %d", getuid());
6321
6322         setup_screens();
6323         setup_globals();
6324         setup_keys();
6325         setup_quirks();
6326         setup_spawn();
6327
6328         /* load config */
6329         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6330         if (stat(conf, &sb) != -1) {
6331                 if (S_ISREG(sb.st_mode))
6332                         cfile = conf;
6333         } else {
6334                 /* try global conf file */
6335                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6336                 if (!stat(conf, &sb))
6337                         if (S_ISREG(sb.st_mode))
6338                                 cfile = conf;
6339         }
6340         if (cfile)
6341                 conf_load(cfile);
6342
6343         setup_ewmh();
6344         /* set some values to work around bad programs */
6345         workaround();
6346         /* grab existing windows (before we build the bars) */
6347         grab_windows();
6348
6349         if (getenv("SWM_STARTED") == NULL)
6350                 setenv("SWM_STARTED", "YES", 1);
6351
6352         /* setup all bars */
6353         for (i = 0; i < ScreenCount(display); i++)
6354                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6355                         if (winfocus == NULL)
6356                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6357                         bar_setup(r);
6358                 }
6359
6360         unfocus_all();
6361
6362         grabkeys();
6363         stack();
6364         if (focus_mode == SWM_FOCUS_DEFAULT)
6365                 drain_enter_notify();
6366
6367         xfd = ConnectionNumber(display);
6368         while (running) {
6369                 while (XPending(display)) {
6370                         XNextEvent(display, &e);
6371                         if (running == 0)
6372                                 goto done;
6373                         if (e.type < LASTEvent) {
6374                                 dumpevent(&e);
6375                                 if (handler[e.type])
6376                                         handler[e.type](&e);
6377                                 else
6378                                         DNPRINTF(SWM_D_EVENT,
6379                                             "win: %lu unknown event: %d\n",
6380                                             e.xany.window, e.type);
6381                         } else {
6382                                 switch (e.type - xrandr_eventbase) {
6383                                 case RRScreenChangeNotify:
6384                                         screenchange(&e);
6385                                         break;
6386                                 default:
6387                                         DNPRINTF(SWM_D_EVENT,
6388                                             "win: %lu unknown xrandr event: "
6389                                             "%d\n", e.xany.window, e.type);
6390                                         break;
6391                                 }
6392                         }
6393                 }
6394
6395                 /* if we are being restarted go focus on first window */
6396                 if (winfocus) {
6397                         rr = winfocus->ws->r;
6398                         if (rr == NULL) {
6399                                 /* not a visible window */
6400                                 winfocus = NULL;
6401                                 continue;
6402                         }
6403                         /* move pointer to first screen if multi screen */
6404                         if (ScreenCount(display) > 1 || outputs > 1)
6405                                 XWarpPointer(display, None, rr->s[0].root,
6406                                     0, 0, 0, 0, rr->g.x,
6407                                     rr->g.y + (bar_enabled ? bar_height : 0));
6408
6409                         a.id = SWM_ARG_ID_FOCUSCUR;
6410                         focus(rr, &a);
6411                         winfocus = NULL;
6412                         continue;
6413                 }
6414
6415                 FD_ZERO(&rd);
6416                 FD_SET(xfd, &rd);
6417                 tv.tv_sec = 1;
6418                 tv.tv_usec = 0;
6419                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6420                         if (errno != EINTR)
6421                                 DNPRINTF(SWM_D_MISC, "select failed");
6422                 if (restart_wm == 1)
6423                         restart(NULL, NULL);
6424                 if (search_resp == 1)
6425                         search_do_resp();
6426                 if (running == 0)
6427                         goto done;
6428                 if (bar_alarm) {
6429                         bar_alarm = 0;
6430                         bar_update();
6431                 }
6432         }
6433 done:
6434         teardown_ewmh();
6435         bar_extra_stop();
6436         XFreeGC(display, bar_gc);
6437         XCloseDisplay(display);
6438
6439         return (0);
6440 }