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) 2011 Jason L. Wright <jason@thought.net>
   8  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  */
  21 /*
  22  * Much code and ideas taken from dwm under the following license:
  23  * MIT/X Consortium License
  24  *
  25  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  26  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  27  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  28  * 2007 Premysl Hruby <dfenze at gmail dot com>
  29  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  30  * 2007 Christof Musik <christof at sendfax dot de>
  31  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  32  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  33  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining a
  36  * copy of this software and associated documentation files (the "Software"),
  37  * to deal in the Software without restriction, including without limitation
  38  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  39  * and/or sell copies of the Software, and to permit persons to whom the
  40  * Software is furnished to do so, subject to the following conditions:
  41  *
  42  * The above copyright notice and this permission notice shall be included in
  43  * all copies or substantial portions of the Software.
  44  *
  45  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  46  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  47  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  48  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  49  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  50  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  51  * DEALINGS IN THE SOFTWARE.
  52  */
  53
  54 static const char       *cvstag = "$scrotwm$";
  55
  56 #define SWM_VERSION     "0.9.30"
  57
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <err.h>
  61 #include <errno.h>
  62 #include <fcntl.h>
  63 #include <locale.h>
  64 #include <unistd.h>
  65 #include <time.h>
  66 #include <signal.h>
  67 #include <string.h>
  68 #include <util.h>
  69 #include <pwd.h>
  70 #include <paths.h>
  71 #include <ctype.h>
  72
  73 #include <sys/types.h>
  74 #include <sys/time.h>
  75 #include <sys/stat.h>
  76 #include <sys/wait.h>
  77 #include <sys/queue.h>
  78 #include <sys/param.h>
  79 #include <sys/select.h>
  80
  81 #include <X11/cursorfont.h>
  82 #include <X11/keysym.h>
  83 #include <X11/Xatom.h>
  84 #include <X11/Xlib.h>
  85 #include <X11/Xproto.h>
  86 #include <X11/Xutil.h>
  87 #include <X11/extensions/Xrandr.h>
  88
  89 #ifdef __OSX__
  90 #include <osx.h>
  91 #endif
  92
  93 #if RANDR_MAJOR < 1
  94 #  error XRandR versions less than 1.0 are not supported
  95 #endif
  96
  97 #if RANDR_MAJOR >= 1
  98 #if RANDR_MINOR >= 2
  99 #define SWM_XRR_HAS_CRTC
 100 #endif
 101 #endif
 102
 103 /*#define SWM_DEBUG*/
 104 #ifdef SWM_DEBUG
 105 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 106 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 107 #define SWM_D_MISC              0x0001
 108 #define SWM_D_EVENT             0x0002
 109 #define SWM_D_WS                0x0004
 110 #define SWM_D_FOCUS             0x0008
 111 #define SWM_D_MOVE              0x0010
 112 #define SWM_D_STACK             0x0020
 113 #define SWM_D_MOUSE             0x0040
 114 #define SWM_D_PROP              0x0080
 115 #define SWM_D_CLASS             0x0100
 116 #define SWM_D_KEY               0x0200
 117 #define SWM_D_QUIRK             0x0400
 118 #define SWM_D_SPAWN             0x0800
 119 #define SWM_D_EVENTQ            0x1000
 120 #define SWM_D_CONF              0x2000
 121
 122 u_int32_t               swm_debug = 0
 123                             | SWM_D_MISC
 124                             | SWM_D_EVENT
 125                             | SWM_D_WS
 126                             | SWM_D_FOCUS
 127                             | SWM_D_MOVE
 128                             | SWM_D_STACK
 129                             | SWM_D_MOUSE
 130                             | SWM_D_PROP
 131                             | SWM_D_CLASS
 132                             | SWM_D_KEY
 133                             | SWM_D_QUIRK
 134                             | SWM_D_SPAWN
 135                             | SWM_D_EVENTQ
 136                             | SWM_D_CONF
 137                             ;
 138 #else
 139 #define DPRINTF(x...)
 140 #define DNPRINTF(n,x...)
 141 #endif
 142
 143 #define LENGTH(x)               (sizeof x / sizeof x[0])
 144 #define MODKEY                  Mod1Mask
 145 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 146 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 147 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 148 #define SWM_PROPLEN             (16)
 149 #define SWM_FUNCNAME_LEN        (32)
 150 #define SWM_KEYS_LEN            (255)
 151 #define SWM_QUIRK_LEN           (64)
 152 #define X(r)                    (r)->g.x
 153 #define Y(r)                    (r)->g.y
 154 #define WIDTH(r)                (r)->g.w
 155 #define HEIGHT(r)               (r)->g.h
 156 #define SWM_MAX_FONT_STEPS      (3)
 157 #define WINID(w)                (w ? w->id : 0)
 158
 159 #define SWM_FOCUS_DEFAULT       (0)
 160 #define SWM_FOCUS_SYNERGY       (1)
 161 #define SWM_FOCUS_FOLLOW        (2)
 162
 163 #ifndef SWM_LIB
 164 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 165 #endif
 166
 167 char                    **start_argv;
 168 Atom                    astate;
 169 Atom                    aprot;
 170 Atom                    adelete;
 171 Atom                    takefocus;
 172 Atom                    a_wmname;
 173 Atom                    a_utf8_string;
 174 Atom                    a_string;
 175 Atom                    a_swm_iconic;
 176 volatile sig_atomic_t   running = 1;
 177 volatile sig_atomic_t   restart_wm = 0;
 178 int                     outputs = 0;
 179 int                     last_focus_event = FocusOut;
 180 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 181 int                     other_wm;
 182 int                     ss_enabled = 0;
 183 int                     xrandr_support;
 184 int                     xrandr_eventbase;
 185 unsigned int            numlockmask = 0;
 186 Display                 *display;
 187
 188 int                     cycle_empty = 0;
 189 int                     cycle_visible = 0;
 190 int                     term_width = 0;
 191 int                     font_adjusted = 0;
 192 unsigned int            mod_key = MODKEY;
 193
 194 /* dmenu search */
 195 struct swm_region       *search_r;
 196 int                     select_list_pipe[2];
 197 int                     select_resp_pipe[2];
 198 pid_t                   searchpid;
 199 volatile sig_atomic_t   search_resp;
 200
 201 /* dialog windows */
 202 double                  dialog_ratio = .6;
 203 /* status bar */
 204 #define SWM_BAR_MAX     (256)
 205 char                    *bar_argv[] = { NULL, NULL };
 206 int                     bar_pipe[2];
 207 char                    bar_ext[SWM_BAR_MAX];
 208 char                    bar_vertext[SWM_BAR_MAX];
 209 int                     bar_version = 0;
 210 sig_atomic_t            bar_alarm = 0;
 211 int                     bar_delay = 30;
 212 int                     bar_enabled = 1;
 213 int                     bar_border_width = 1;
 214 int                     bar_at_bottom = 0;
 215 int                     bar_extra = 1;
 216 int                     bar_extra_running = 0;
 217 int                     bar_verbose = 1;
 218 int                     bar_height = 0;
 219 int                     stack_enabled = 1;
 220 int                     clock_enabled = 1;
 221 char                    *clock_format = NULL;
 222 int                     title_name_enabled = 0;
 223 int                     title_class_enabled = 0;
 224 int                     window_name_enabled = 0;
 225 int                     focus_mode = SWM_FOCUS_DEFAULT;
 226 int                     disable_border = 0;
 227 int                     border_width = 1;
 228 pid_t                   bar_pid;
 229 GC                      bar_gc;
 230 XGCValues               bar_gcv;
 231 int                     bar_fidx = 0;
 232 XFontStruct             *bar_fs;
 233 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 234 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 235
 236 #define SWM_MENU_FN     (2)
 237 #define SWM_MENU_NB     (4)
 238 #define SWM_MENU_NF     (6)
 239 #define SWM_MENU_SB     (8)
 240 #define SWM_MENU_SF     (10)
 241
 242 /* layout manager data */
 243 struct swm_geometry {
 244         int                     x;
 245         int                     y;
 246         int                     w;
 247         int                     h;
 248 };
 249
 250 struct swm_screen;
 251 struct workspace;
 252
 253 /* virtual "screens" */
 254 struct swm_region {
 255         TAILQ_ENTRY(swm_region) entry;
 256         struct swm_geometry     g;
 257         struct workspace        *ws;    /* current workspace on this region */
 258         struct workspace        *ws_prior; /* prior workspace on this region */
 259         struct swm_screen       *s;     /* screen idx */
 260         Window                  bar_window;
 261 };
 262 TAILQ_HEAD(swm_region_list, swm_region);
 263
 264 struct ws_win {
 265         TAILQ_ENTRY(ws_win)     entry;
 266         Window                  id;
 267         Window                  transient;
 268         struct ws_win           *child_trans;   /* transient child window */
 269         struct swm_geometry     g;              /* current geometry */
 270         struct swm_geometry     g_float;        /* geometry when floating */
 271         struct swm_geometry     rg_float;       /* region geom when floating */
 272         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 273         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 274         int                     floating;
 275         int                     manual;
 276         int                     iconic;
 277         unsigned int            ewmh_flags;
 278         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 279         int                     font_steps;
 280         int                     last_inc;
 281         int                     can_delete;
 282         int                     take_focus;
 283         int                     java;
 284         unsigned long           quirks;
 285         struct workspace        *ws;    /* always valid */
 286         struct swm_screen       *s;     /* always valid, never changes */
 287         XWindowAttributes       wa;
 288         XSizeHints              sh;
 289         XClassHint              ch;
 290         XWMHints                *hints;
 291 };
 292 TAILQ_HEAD(ws_win_list, ws_win);
 293
 294 /* layout handlers */
 295 void    stack(void);
 296 void    vertical_config(struct workspace *, int);
 297 void    vertical_stack(struct workspace *, struct swm_geometry *);
 298 void    horizontal_config(struct workspace *, int);
 299 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 300 void    max_stack(struct workspace *, struct swm_geometry *);
 301
 302 struct ws_win *find_window(Window);
 303
 304 void    grabbuttons(struct ws_win *, int);
 305 void    new_region(struct swm_screen *, int, int, int, int);
 306 void    unmanage_window(struct ws_win *);
 307 long    getstate(Window);
 308
 309 struct layout {
 310         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 311         void            (*l_config)(struct workspace *, int);
 312         u_int32_t       flags;
 313 #define SWM_L_FOCUSPREV         (1<<0)
 314 #define SWM_L_MAPONFOCUS        (1<<1)
 315         char            *name;
 316 } layouts[] =  {
 317         /* stack,               configure */
 318         { vertical_stack,       vertical_config,        0,      "[|]" },
 319         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 320         { max_stack,            NULL,
 321           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]"},
 322         { NULL,                 NULL,                   0,      NULL },
 323 };
 324
 325 /* position of max_stack mode in the layouts array */
 326 #define SWM_MAX_STACK           2
 327
 328 #define SWM_H_SLICE             (32)
 329 #define SWM_V_SLICE             (32)
 330
 331 /* define work spaces */
 332 struct workspace {
 333         int                     idx;            /* workspace index */
 334         struct layout           *cur_layout;    /* current layout handlers */
 335         struct ws_win           *focus;         /* may be NULL */
 336         struct ws_win           *focus_prev;    /* may be NULL */
 337         struct swm_region       *r;             /* may be NULL */
 338         struct swm_region       *old_r;         /* may be NULL */
 339         struct ws_win_list      winlist;        /* list of windows in ws */
 340         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 341
 342         /* stacker state */
 343         struct {
 344                                 int horizontal_msize;
 345                                 int horizontal_mwin;
 346                                 int horizontal_stacks;
 347                                 int vertical_msize;
 348                                 int vertical_mwin;
 349                                 int vertical_stacks;
 350         } l_state;
 351 };
 352
 353 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 354           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 355
 356 /* physical screen mapping */
 357 #define SWM_WS_MAX              (10)
 358 struct swm_screen {
 359         int                     idx;    /* screen index */
 360         struct swm_region_list  rl;     /* list of regions on this screen */
 361         struct swm_region_list  orl;    /* list of old regions */
 362         Window                  root;
 363         struct workspace        ws[SWM_WS_MAX];
 364
 365         /* colors */
 366         struct {
 367                 unsigned long   color;
 368                 char            *name;
 369         } c[SWM_S_COLOR_MAX];
 370 };
 371 struct swm_screen       *screens;
 372 int                     num_screens;
 373
 374 /* args to functions */
 375 union arg {
 376         int                     id;
 377 #define SWM_ARG_ID_FOCUSNEXT    (0)
 378 #define SWM_ARG_ID_FOCUSPREV    (1)
 379 #define SWM_ARG_ID_FOCUSMAIN    (2)
 380 #define SWM_ARG_ID_FOCUSCUR     (4)
 381 #define SWM_ARG_ID_SWAPNEXT     (10)
 382 #define SWM_ARG_ID_SWAPPREV     (11)
 383 #define SWM_ARG_ID_SWAPMAIN     (12)
 384 #define SWM_ARG_ID_MOVELAST     (13)
 385 #define SWM_ARG_ID_MASTERSHRINK (20)
 386 #define SWM_ARG_ID_MASTERGROW   (21)
 387 #define SWM_ARG_ID_MASTERADD    (22)
 388 #define SWM_ARG_ID_MASTERDEL    (23)
 389 #define SWM_ARG_ID_STACKRESET   (30)
 390 #define SWM_ARG_ID_STACKINIT    (31)
 391 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 392 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 393 #define SWM_ARG_ID_CYCLESC_UP   (42)
 394 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 395 #define SWM_ARG_ID_STACKINC     (50)
 396 #define SWM_ARG_ID_STACKDEC     (51)
 397 #define SWM_ARG_ID_SS_ALL       (60)
 398 #define SWM_ARG_ID_SS_WINDOW    (61)
 399 #define SWM_ARG_ID_DONTCENTER   (70)
 400 #define SWM_ARG_ID_CENTER       (71)
 401 #define SWM_ARG_ID_KILLWINDOW   (80)
 402 #define SWM_ARG_ID_DELETEWINDOW (81)
 403         char                    **argv;
 404 };
 405
 406 void    focus(struct swm_region *, union arg *);
 407 void    focus_magic(struct ws_win *);
 408
 409 /* quirks */
 410 struct quirk {
 411         char                    *class;
 412         char                    *name;
 413         unsigned long           quirk;
 414 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 415 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 416 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 417 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 418 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 419 };
 420 int                             quirks_size = 0, quirks_length = 0;
 421 struct quirk                    *quirks = NULL;
 422
 423 /*
 424  * Supported EWMH hints should be added to
 425  * both the enum and the ewmh array
 426  */
 427 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 428     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 429     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 430     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 431     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 432     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 433     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 434     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 435     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 436     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 437     SWM_EWMH_HINT_MAX };
 438
 439 struct ewmh_hint {
 440         char    *name;
 441         Atom     atom;
 442 } ewmh[SWM_EWMH_HINT_MAX] =     {
 443     /* must be in same order as in the enum */
 444     {"_NET_ACTIVE_WINDOW", None},
 445     {"_NET_MOVERESIZE_WINDOW", None},
 446     {"_NET_CLOSE_WINDOW", None},
 447     {"_NET_WM_WINDOW_TYPE", None},
 448     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 449     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 450     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 451     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 452     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 453     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 454     {"_NET_WM_STATE", None},
 455     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 456     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 457     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 458     {"_NET_WM_STATE_SKIP_PAGER", None},
 459     {"_NET_WM_STATE_HIDDEN", None},
 460     {"_NET_WM_STATE_ABOVE", None},
 461     {"_SWM_WM_STATE_MANUAL", None},
 462     {"_NET_WM_STATE_FULLSCREEN", None},
 463     {"_NET_WM_ALLOWED_ACTIONS", None},
 464     {"_NET_WM_ACTION_MOVE", None},
 465     {"_NET_WM_ACTION_RESIZE", None},
 466     {"_NET_WM_ACTION_FULLSCREEN", None},
 467     {"_NET_WM_ACTION_CLOSE", None},
 468 };
 469
 470 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 471 int     floating_toggle_win(struct ws_win *win);
 472 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 473
 474 int
 475 get_property(Window id, Atom atom, long count, Atom type,
 476     unsigned long *n, unsigned char **data)
 477 {
 478         int                     format, status;
 479         unsigned long           tmp, extra;
 480         unsigned long           *nitems;
 481         Atom                    real;
 482
 483         nitems = n != NULL ? n : &tmp;
 484         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 485             &real, &format, nitems, &extra, data);
 486
 487         if (status != Success)
 488                 return False;
 489         if (real != type)
 490                 return False;
 491
 492         return True;
 493 }
 494
 495 void
 496 update_iconic(struct ws_win *win, int newv)
 497 {
 498         int32_t v = newv;
 499         Atom iprop;
 500
 501         win->iconic = newv;
 502
 503         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 504         if (!iprop)
 505                 return;
 506         if (newv)
 507                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 508                     PropModeReplace, (unsigned char *)&v, 1);
 509         else
 510                 XDeleteProperty(display, win->id, iprop);
 511 }
 512
 513 int
 514 get_iconic(struct ws_win *win)
 515 {
 516         int32_t v = 0;
 517         int retfmt, status;
 518         Atom iprop, rettype;
 519         unsigned long nitems, extra;
 520         unsigned char *prop = NULL;
 521
 522         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 523         if (!iprop)
 524                 goto out;
 525         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 526             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 527         if (status != Success)
 528                 goto out;
 529         if (rettype != XA_INTEGER || retfmt != 32)
 530                 goto out;
 531         if (nitems != 1)
 532                 goto out;
 533         v = *((int32_t *)prop);
 534
 535 out:
 536         if (prop != NULL)
 537                 XFree(prop);
 538         return (v);
 539 }
 540
 541 void
 542 setup_ewmh(void)
 543 {
 544         int                     i,j;
 545         Atom                    sup_list;
 546
 547         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 548
 549         for (i = 0; i < LENGTH(ewmh); i++)
 550                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 551
 552         for (i = 0; i < ScreenCount(display); i++) {
 553                 /* Support check window will be created by workaround(). */
 554
 555                 /* Report supported atoms */
 556                 XDeleteProperty(display, screens[i].root, sup_list);
 557                 for (j = 0; j < LENGTH(ewmh); j++)
 558                         XChangeProperty(display, screens[i].root, sup_list, XA_ATOM, 32,
 559                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 560         }
 561 }
 562
 563 void
 564 teardown_ewmh(void)
 565 {
 566         int                     i, success;
 567         unsigned char           *data = NULL;
 568         unsigned long           n;
 569         Atom                    sup_check, sup_list;
 570         Window                  id;
 571
 572         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 573         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 574
 575         for (i = 0; i < ScreenCount(display); i++) {
 576                 /* Get the support check window and destroy it */
 577                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 578                     &n, &data);
 579
 580                 if (success) {
 581                         id = data[0];
 582                         XDestroyWindow(display, id);
 583                         XDeleteProperty(display, screens[i].root, sup_check);
 584                         XDeleteProperty(display, screens[i].root, sup_list);
 585                 }
 586
 587                 XFree(data);
 588         }
 589 }
 590
 591 void
 592 ewmh_autoquirk(struct ws_win *win)
 593 {
 594         int                     success, i;
 595         unsigned long           *data = NULL;
 596         unsigned long           n;
 597         Atom                    type;
 598
 599         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 600             XA_ATOM, &n, (unsigned char **)&data);
 601
 602         if (!success) {
 603                 XFree(data);
 604                 return;
 605         }
 606
 607         for (i = 0; i < n; i++) {
 608                 type = data[i];
 609                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 610                         break;
 611                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 612                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 613                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 614                         win->floating = 1;
 615                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 616                         break;
 617                 }
 618                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 619                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 620                         win->floating = 1;
 621                         win->quirks = SWM_Q_FLOAT;
 622                         break;
 623                 }
 624         }
 625
 626         XFree(data);
 627 }
 628
 629 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 630 #define EWMH_F_FULLSCREEN               (1<<0)
 631 #define EWMH_F_ABOVE                    (1<<1)
 632 #define EWMH_F_HIDDEN                   (1<<2)
 633 #define EWMH_F_SKIP_PAGER               (1<<3)
 634 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 635 #define SWM_F_MANUAL                    (1<<5)
 636
 637 int
 638 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 639 {
 640         struct swm_geometry     rg;
 641
 642         if (!win->ws->r)
 643                 return 0;
 644
 645         if (!win->floating)
 646                 return 0;
 647
 648         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 649             win->id, fs);
 650
 651         rg = win->ws->r->g;
 652
 653         if (fs) {
 654                 store_float_geom(win, win->ws->r);
 655
 656                 win->g.x = rg.x;
 657                 win->g.y = rg.y;
 658                 win->g.w = rg.w;
 659                 win->g.h = rg.h;
 660         } else {
 661                 if (win->g_floatvalid) {
 662                         /* refloat at last floating relative position */
 663                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 664                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 665                         win->g.w = win->g_float.w;
 666                         win->g.h = win->g_float.h;
 667                 }
 668         }
 669
 670         return 1;
 671 }
 672
 673 void
 674 ewmh_update_actions(struct ws_win *win)
 675 {
 676         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 677         int                     n = 0;
 678
 679         if (win == NULL)
 680                 return;
 681
 682         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 683
 684         if (win->floating) {
 685                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 686                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 687         }
 688
 689         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 690             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 691 }
 692
 693 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 694 #define _NET_WM_STATE_ADD       1    /* add/set property */
 695 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 696
 697 void
 698 ewmh_update_win_state(struct ws_win *win, long state, long action)
 699 {
 700         unsigned int            mask = 0;
 701         unsigned int            changed = 0;
 702         unsigned int            orig_flags;
 703
 704         if (win == NULL)
 705                 return;
 706
 707         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 708                 mask = EWMH_F_FULLSCREEN;
 709         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 710                 mask = EWMH_F_ABOVE;
 711         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 712                 mask = SWM_F_MANUAL;
 713         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 714                 mask = EWMH_F_SKIP_PAGER;
 715         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 716                 mask = EWMH_F_SKIP_TASKBAR;
 717
 718
 719         orig_flags = win->ewmh_flags;
 720
 721         switch (action) {
 722         case _NET_WM_STATE_REMOVE:
 723                 win->ewmh_flags &= ~mask;
 724                 break;
 725         case _NET_WM_STATE_ADD:
 726                 win->ewmh_flags |= mask;
 727                 break;
 728         case _NET_WM_STATE_TOGGLE:
 729                 win->ewmh_flags ^= mask;
 730                 break;
 731         }
 732
 733         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 734
 735         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 736                 if (changed)
 737                         if (!floating_toggle_win(win))
 738                                 win->ewmh_flags = orig_flags; /* revert */
 739         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 740                 if (changed)
 741                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 742         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 743                 if (changed)
 744                         if (!ewmh_set_win_fullscreen(win, win->ewmh_flags & EWMH_F_FULLSCREEN))
 745                                 win->ewmh_flags = orig_flags; /* revert */
 746
 747         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 748
 749         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 750                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 751                     XA_ATOM, 32, PropModeAppend,
 752                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 753         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 754                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 755                     XA_ATOM, 32, PropModeAppend,
 756                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 757         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 758                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 759                     XA_ATOM, 32, PropModeAppend,
 760                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 761         if (win->ewmh_flags & EWMH_F_ABOVE)
 762                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 763                     XA_ATOM, 32, PropModeAppend,
 764                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 765         if (win->ewmh_flags & SWM_F_MANUAL)
 766                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 767                     XA_ATOM, 32, PropModeAppend,
 768                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 769 }
 770
 771 void
 772 ewmh_get_win_state(struct ws_win *win)
 773 {
 774         int                     success, i;
 775         unsigned long           n;
 776         Atom                    *states;
 777
 778         if (win == NULL)
 779                 return;
 780
 781         win->ewmh_flags = 0;
 782         if (win->floating)
 783                 win->ewmh_flags |= EWMH_F_ABOVE;
 784         if (win->manual)
 785                 win->ewmh_flags |= SWM_F_MANUAL;
 786
 787         success = get_property(win->id, ewmh[_NET_WM_STATE].atom, (~0L), XA_ATOM,
 788             &n, (unsigned char **)&states);
 789
 790         if (!success)
 791                 return;
 792
 793         for (i = 0; i < n; i++)
 794                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 795
 796         XFree(states);
 797 }
 798
 799 /* events */
 800 #ifdef SWM_DEBUG
 801 void
 802 dumpevent(XEvent *e)
 803 {
 804         char                    *name = NULL;
 805
 806         switch (e->type) {
 807         case KeyPress:
 808                 name = "KeyPress";
 809                 break;
 810         case KeyRelease:
 811                 name = "KeyRelease";
 812                 break;
 813         case ButtonPress:
 814                 name = "ButtonPress";
 815                 break;
 816         case ButtonRelease:
 817                 name = "ButtonRelease";
 818                 break;
 819         case MotionNotify:
 820                 name = "MotionNotify";
 821                 break;
 822         case EnterNotify:
 823                 name = "EnterNotify";
 824                 break;
 825         case LeaveNotify:
 826                 name = "LeaveNotify";
 827                 break;
 828         case FocusIn:
 829                 name = "FocusIn";
 830                 break;
 831         case FocusOut:
 832                 name = "FocusOut";
 833                 break;
 834         case KeymapNotify:
 835                 name = "KeymapNotify";
 836                 break;
 837         case Expose:
 838                 name = "Expose";
 839                 break;
 840         case GraphicsExpose:
 841                 name = "GraphicsExpose";
 842                 break;
 843         case NoExpose:
 844                 name = "NoExpose";
 845                 break;
 846         case VisibilityNotify:
 847                 name = "VisibilityNotify";
 848                 break;
 849         case CreateNotify:
 850                 name = "CreateNotify";
 851                 break;
 852         case DestroyNotify:
 853                 name = "DestroyNotify";
 854                 break;
 855         case UnmapNotify:
 856                 name = "UnmapNotify";
 857                 break;
 858         case MapNotify:
 859                 name = "MapNotify";
 860                 break;
 861         case MapRequest:
 862                 name = "MapRequest";
 863                 break;
 864         case ReparentNotify:
 865                 name = "ReparentNotify";
 866                 break;
 867         case ConfigureNotify:
 868                 name = "ConfigureNotify";
 869                 break;
 870         case ConfigureRequest:
 871                 name = "ConfigureRequest";
 872                 break;
 873         case GravityNotify:
 874                 name = "GravityNotify";
 875                 break;
 876         case ResizeRequest:
 877                 name = "ResizeRequest";
 878                 break;
 879         case CirculateNotify:
 880                 name = "CirculateNotify";
 881                 break;
 882         case CirculateRequest:
 883                 name = "CirculateRequest";
 884                 break;
 885         case PropertyNotify:
 886                 name = "PropertyNotify";
 887                 break;
 888         case SelectionClear:
 889                 name = "SelectionClear";
 890                 break;
 891         case SelectionRequest:
 892                 name = "SelectionRequest";
 893                 break;
 894         case SelectionNotify:
 895                 name = "SelectionNotify";
 896                 break;
 897         case ColormapNotify:
 898                 name = "ColormapNotify";
 899                 break;
 900         case ClientMessage:
 901                 name = "ClientMessage";
 902                 break;
 903         case MappingNotify:
 904                 name = "MappingNotify";
 905                 break;
 906         }
 907
 908         if (name)
 909                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 910                     "remaining\n",
 911                     e->xany.window, name, e->type, QLength(display));
 912         else
 913                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 914                     "remaining\n",
 915                     e->xany.window, e->type, QLength(display));
 916 }
 917
 918 void
 919 dumpwins(struct swm_region *r, union arg *args)
 920 {
 921         struct ws_win           *win;
 922         unsigned int            state;
 923         XWindowAttributes       wa;
 924
 925         if (r->ws == NULL) {
 926                 fprintf(stderr, "invalid workspace\n");
 927                 return;
 928         }
 929
 930         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 931
 932         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 933                 state = getstate(win->id);
 934                 if (!XGetWindowAttributes(display, win->id, &wa))
 935                         fprintf(stderr, "window: %lu failed "
 936                             "XGetWindowAttributes\n", win->id);
 937                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 938                     "transient: %lu\n",
 939                     win->id, wa.map_state, state, win->transient);
 940         }
 941
 942         fprintf(stderr, "===== unmanaged window list =====\n");
 943         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 944                 state = getstate(win->id);
 945                 if (!XGetWindowAttributes(display, win->id, &wa))
 946                         fprintf(stderr, "window: %lu failed "
 947                             "XGetWindowAttributes\n", win->id);
 948                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 949                     "transient: %lu\n",
 950                     win->id, wa.map_state, state, win->transient);
 951         }
 952
 953         fprintf(stderr, "=================================\n");
 954 }
 955 #else
 956 #define dumpevent(e)
 957 void
 958 dumpwins(struct swm_region *r, union arg *args)
 959 {
 960 }
 961 #endif /* SWM_DEBUG */
 962
 963 void                    expose(XEvent *);
 964 void                    keypress(XEvent *);
 965 void                    buttonpress(XEvent *);
 966 void                    configurerequest(XEvent *);
 967 void                    configurenotify(XEvent *);
 968 void                    destroynotify(XEvent *);
 969 void                    enternotify(XEvent *);
 970 void                    focusevent(XEvent *);
 971 void                    mapnotify(XEvent *);
 972 void                    mappingnotify(XEvent *);
 973 void                    maprequest(XEvent *);
 974 void                    propertynotify(XEvent *);
 975 void                    unmapnotify(XEvent *);
 976 void                    visibilitynotify(XEvent *);
 977 void                    clientmessage(XEvent *);
 978
 979 void                    (*handler[LASTEvent])(XEvent *) = {
 980                                 [Expose] = expose,
 981                                 [KeyPress] = keypress,
 982                                 [ButtonPress] = buttonpress,
 983                                 [ConfigureRequest] = configurerequest,
 984                                 [ConfigureNotify] = configurenotify,
 985                                 [DestroyNotify] = destroynotify,
 986                                 [EnterNotify] = enternotify,
 987                                 [FocusIn] = focusevent,
 988                                 [FocusOut] = focusevent,
 989                                 [MapNotify] = mapnotify,
 990                                 [MappingNotify] = mappingnotify,
 991                                 [MapRequest] = maprequest,
 992                                 [PropertyNotify] = propertynotify,
 993                                 [UnmapNotify] = unmapnotify,
 994                                 [VisibilityNotify] = visibilitynotify,
 995                                 [ClientMessage] = clientmessage,
 996 };
 997
 998 void
 999 sighdlr(int sig)
1000 {
1001         int                     saved_errno, status;
1002         pid_t                   pid;
1003
1004         saved_errno = errno;
1005
1006         switch (sig) {
1007         case SIGCHLD:
1008                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1009                         if (pid == -1) {
1010                                 if (errno == EINTR)
1011                                         continue;
1012 #ifdef SWM_DEBUG
1013                                 if (errno != ECHILD)
1014                                         warn("sighdlr: waitpid");
1015 #endif /* SWM_DEBUG */
1016                                 break;
1017                         }
1018                         if (pid == searchpid)
1019                                 search_resp = 1;
1020
1021 #ifdef SWM_DEBUG
1022                         if (WIFEXITED(status)) {
1023                                 if (WEXITSTATUS(status) != 0)
1024                                         warnx("sighdlr: child exit status: %d",
1025                                             WEXITSTATUS(status));
1026                         } else
1027                                 warnx("sighdlr: child is terminated "
1028                                     "abnormally");
1029 #endif /* SWM_DEBUG */
1030                 }
1031                 break;
1032
1033         case SIGHUP:
1034                 restart_wm = 1;
1035                 break;
1036         case SIGINT:
1037         case SIGTERM:
1038         case SIGQUIT:
1039                 running = 0;
1040                 break;
1041         }
1042
1043         errno = saved_errno;
1044 }
1045
1046 unsigned long
1047 name_to_color(char *colorname)
1048 {
1049         Colormap                cmap;
1050         Status                  status;
1051         XColor                  screen_def, exact_def;
1052         unsigned long           result = 0;
1053         char                    cname[32] = "#";
1054
1055         cmap = DefaultColormap(display, screens[0].idx);
1056         status = XAllocNamedColor(display, cmap, colorname,
1057             &screen_def, &exact_def);
1058         if (!status) {
1059                 strlcat(cname, colorname + 2, sizeof cname - 1);
1060                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1061                     &exact_def);
1062         }
1063         if (status)
1064                 result = screen_def.pixel;
1065         else
1066                 fprintf(stderr, "color '%s' not found.\n", colorname);
1067
1068         return (result);
1069 }
1070
1071 void
1072 setscreencolor(char *val, int i, int c)
1073 {
1074         if (i > 0 && i <= ScreenCount(display)) {
1075                 screens[i - 1].c[c].color = name_to_color(val);
1076                 free(screens[i - 1].c[c].name);
1077                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1078                         errx(1, "strdup");
1079         } else if (i == -1) {
1080                 for (i = 0; i < ScreenCount(display); i++) {
1081                         screens[i].c[c].color = name_to_color(val);
1082                         free(screens[i].c[c].name);
1083                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1084                                 errx(1, "strdup");
1085                 }
1086         } else
1087                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1088                     i, ScreenCount(display));
1089 }
1090
1091 void
1092 custom_region(char *val)
1093 {
1094         unsigned int                    sidx, x, y, w, h;
1095
1096         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1097                 errx(1, "invalid custom region, "
1098                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1099         if (sidx < 1 || sidx > ScreenCount(display))
1100                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1101                     sidx, ScreenCount(display));
1102         sidx--;
1103
1104         if (w < 1 || h < 1)
1105                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1106
1107         if (x  < 0 || x > DisplayWidth(display, sidx) ||
1108             y < 0 || y > DisplayHeight(display, sidx) ||
1109             w + x > DisplayWidth(display, sidx) ||
1110             h + y > DisplayHeight(display, sidx)) {
1111                 fprintf(stderr, "ignoring region %ux%u+%u+%u - not within screen boundaries "
1112                     "(%ux%u)\n", w, h, x, y,
1113                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1114                 return;
1115         }
1116
1117         new_region(&screens[sidx], x, y, w, h);
1118 }
1119
1120 void
1121 socket_setnonblock(int fd)
1122 {
1123         int                     flags;
1124
1125         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1126                 err(1, "fcntl F_GETFL");
1127         flags |= O_NONBLOCK;
1128         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1129                 err(1, "fcntl F_SETFL");
1130 }
1131
1132 void
1133 bar_print(struct swm_region *r, char *s)
1134 {
1135         XClearWindow(display, r->bar_window);
1136         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1137         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1138             strlen(s));
1139 }
1140
1141 void
1142 bar_extra_stop(void)
1143 {
1144         if (bar_pipe[0]) {
1145                 close(bar_pipe[0]);
1146                 bzero(bar_pipe, sizeof bar_pipe);
1147         }
1148         if (bar_pid) {
1149                 kill(bar_pid, SIGTERM);
1150                 bar_pid = 0;
1151         }
1152         strlcpy(bar_ext, "", sizeof bar_ext);
1153         bar_extra = 0;
1154 }
1155
1156 void
1157 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1158 {
1159         int                     do_class, do_name;
1160         Status                  status;
1161         XClassHint              *xch = NULL;
1162
1163         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1164             cur_focus != NULL) {
1165                 if ((xch = XAllocClassHint()) == NULL)
1166                         goto out;
1167                 status = XGetClassHint(display, cur_focus->id, xch);
1168                 if (status == BadWindow || status == BadAlloc)
1169                         goto out;
1170                 do_class = (title_class_enabled && xch->res_class != NULL);
1171                 do_name = (title_name_enabled && xch->res_name != NULL);
1172                 if (do_class)
1173                         strlcat(s, xch->res_class, sz);
1174                 if (do_class && do_name)
1175                         strlcat(s, ":", sz);
1176                 if (do_name)
1177                         strlcat(s, xch->res_name, sz);
1178                 strlcat(s, "    ", sz);
1179         }
1180 out:
1181         if (xch)
1182                 XFree(xch);
1183 }
1184
1185 void
1186 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1187 {
1188         char                    *title;
1189
1190         if (window_name_enabled && cur_focus != NULL) {
1191                 XFetchName(display, cur_focus->id, &title);
1192                 if (title) {
1193                         if (cur_focus->floating)
1194                                 strlcat(s, "(f) ", sz);
1195                         strlcat(s, title, sz);
1196                         strlcat(s, " ", sz);
1197                         XFree(title);
1198                 }
1199         }
1200 }
1201
1202 void
1203 bar_update(void)
1204 {
1205         time_t                  tmt;
1206         struct tm               tm;
1207         struct swm_region       *r;
1208         int                     i, x;
1209         size_t                  len;
1210         char                    s[SWM_BAR_MAX];
1211         char                    cn[SWM_BAR_MAX];
1212         char                    loc[SWM_BAR_MAX];
1213         char                    *b;
1214         char                    *stack = "";
1215
1216         if (bar_enabled == 0)
1217                 return;
1218         if (bar_extra && bar_extra_running) {
1219                 /* ignore short reads; it'll correct itself */
1220                 while ((b = fgetln(stdin, &len)) != NULL)
1221                         if (b && b[len - 1] == '\n') {
1222                                 b[len - 1] = '\0';
1223                                 strlcpy(bar_ext, b, sizeof bar_ext);
1224                         }
1225                 if (b == NULL && errno != EAGAIN) {
1226                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1227                             errno, strerror(errno));
1228                         bar_extra_stop();
1229                 }
1230         } else
1231                 strlcpy(bar_ext, "", sizeof bar_ext);
1232
1233         if (clock_enabled == 0)
1234                 strlcpy(s, "", sizeof s);
1235         else {
1236                 time(&tmt);
1237                 localtime_r(&tmt, &tm);
1238                 strftime(s, sizeof s, clock_format, &tm);
1239                 strlcat(s, "    ", sizeof s);
1240         }
1241
1242         for (i = 0; i < ScreenCount(display); i++) {
1243                 x = 1;
1244                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1245                         strlcpy(cn, "", sizeof cn);
1246                         if (r && r->ws) {
1247                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1248                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1249                         }
1250
1251                         if (stack_enabled)
1252                                 stack = r->ws->cur_layout->name;
1253
1254                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1255                             x++, r->ws->idx + 1, stack, s, cn, bar_ext,
1256                             bar_vertext);
1257                         bar_print(r, loc);
1258                 }
1259         }
1260         alarm(bar_delay);
1261 }
1262
1263 void
1264 bar_signal(int sig)
1265 {
1266         bar_alarm = 1;
1267 }
1268
1269 void
1270 bar_toggle(struct swm_region *r, union arg *args)
1271 {
1272         struct swm_region       *tmpr;
1273         int                     i, sc = ScreenCount(display);
1274
1275         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1276
1277         if (bar_enabled)
1278                 for (i = 0; i < sc; i++)
1279                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1280                                 XUnmapWindow(display, tmpr->bar_window);
1281         else
1282                 for (i = 0; i < sc; i++)
1283                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1284                                 XMapRaised(display, tmpr->bar_window);
1285
1286         bar_enabled = !bar_enabled;
1287
1288         stack();
1289         /* must be after stack */
1290         bar_update();
1291 }
1292
1293 void
1294 bar_refresh(void)
1295 {
1296         XSetWindowAttributes    wa;
1297         struct swm_region       *r;
1298         int                     i;
1299
1300         /* do this here because the conf file is in memory */
1301         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1302                 /* launch external status app */
1303                 bar_extra_running = 1;
1304                 if (pipe(bar_pipe) == -1)
1305                         err(1, "pipe error");
1306                 socket_setnonblock(bar_pipe[0]);
1307                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1308                 if (dup2(bar_pipe[0], 0) == -1)
1309                         errx(1, "dup2");
1310                 if (dup2(bar_pipe[1], 1) == -1)
1311                         errx(1, "dup2");
1312                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1313                         err(1, "could not disable SIGPIPE");
1314                 switch (bar_pid = fork()) {
1315                 case -1:
1316                         err(1, "cannot fork");
1317                         break;
1318                 case 0: /* child */
1319                         close(bar_pipe[0]);
1320                         execvp(bar_argv[0], bar_argv);
1321                         err(1, "%s external app failed", bar_argv[0]);
1322                         break;
1323                 default: /* parent */
1324                         close(bar_pipe[1]);
1325                         break;
1326                 }
1327         }
1328
1329         bzero(&wa, sizeof wa);
1330         for (i = 0; i < ScreenCount(display); i++)
1331                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1332                         wa.border_pixel =
1333                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1334                         wa.background_pixel =
1335                             screens[i].c[SWM_S_COLOR_BAR].color;
1336                         XChangeWindowAttributes(display, r->bar_window,
1337                             CWBackPixel | CWBorderPixel, &wa);
1338                 }
1339         bar_update();
1340 }
1341
1342 void
1343 bar_setup(struct swm_region *r)
1344 {
1345         int                     i, x, y;
1346
1347         if (bar_fs) {
1348                 XFreeFont(display, bar_fs);
1349                 bar_fs = NULL;
1350         }
1351
1352         for (i = 0; bar_fonts[i] != NULL; i++) {
1353                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1354                 if (bar_fs) {
1355                         bar_fidx = i;
1356                         break;
1357                 }
1358         }
1359         if (bar_fonts[i] == NULL)
1360                         errx(1, "couldn't load font");
1361         if (bar_fs == NULL)
1362                 errx(1, "couldn't create font structure");
1363
1364         bar_height = bar_fs->ascent + bar_fs->descent + 1 + 2 * bar_border_width;
1365         x = X(r);
1366         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1367
1368         r->bar_window = XCreateSimpleWindow(display,
1369             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width, bar_height - 2 * bar_border_width,
1370             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1371             r->s->c[SWM_S_COLOR_BAR].color);
1372         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1373         XSetFont(display, bar_gc, bar_fs->fid);
1374         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1375         if (bar_enabled)
1376                 XMapRaised(display, r->bar_window);
1377         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1378
1379         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1380                 err(1, "could not install bar_signal");
1381         bar_refresh();
1382 }
1383
1384 void
1385 drain_enter_notify(void)
1386 {
1387         int                     i = 0;
1388         XEvent                  cne;
1389
1390         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1391                 i++;
1392
1393         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1394 }
1395
1396 void
1397 set_win_state(struct ws_win *win, long state)
1398 {
1399         long                    data[] = {state, None};
1400
1401         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1402
1403         if (win == NULL)
1404                 return;
1405
1406         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1407             (unsigned char *)data, 2);
1408 }
1409
1410 long
1411 getstate(Window w)
1412 {
1413         long                    result = -1;
1414         unsigned char           *p = NULL;
1415         unsigned long           n;
1416
1417         if (!get_property(w, astate, 2L, astate, &n, &p))
1418                 return (-1);
1419         if (n != 0)
1420                 result = *((long *)p);
1421         XFree(p);
1422         return (result);
1423 }
1424
1425 void
1426 version(struct swm_region *r, union arg *args)
1427 {
1428         bar_version = !bar_version;
1429         if (bar_version)
1430                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1431                     SWM_VERSION, cvstag);
1432         else
1433                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1434         bar_update();
1435 }
1436
1437 void
1438 client_msg(struct ws_win *win, Atom a)
1439 {
1440         XClientMessageEvent     cm;
1441
1442         if (win == NULL)
1443                 return;
1444
1445         bzero(&cm, sizeof cm);
1446         cm.type = ClientMessage;
1447         cm.window = win->id;
1448         cm.message_type = aprot;
1449         cm.format = 32;
1450         cm.data.l[0] = a;
1451         cm.data.l[1] = CurrentTime;
1452         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1453 }
1454
1455 void
1456 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1457 {
1458         XConfigureEvent         ce;
1459
1460         if (win == NULL)
1461                 return;
1462
1463         if (ev == NULL) {
1464                 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1465                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1466
1467                 ce.type = ConfigureNotify;
1468                 ce.display = display;
1469                 ce.event = win->id;
1470                 ce.window = win->id;
1471                 ce.x = win->g.x;
1472                 ce.y = win->g.y;
1473                 ce.width = win->g.w;
1474                 ce.height = win->g.h;
1475                 ce.border_width = border_width;
1476                 ce.above = None;
1477                 ce.override_redirect = False;
1478         } else {
1479                 DNPRINTF(SWM_D_MISC, "config_win: ev win %lu x %d y %d w %d h %d\n",
1480                     ev->window, ev->x, ev->y, ev->width, ev->height);
1481                 ce.type = ConfigureNotify;
1482                 ce.display = ev->display;
1483                 ce.event = ev->window;
1484                 ce.window = ev->window;
1485                 ce.x = ev->x;
1486                 ce.y = ev->y;
1487                 ce.width = ev->width;
1488                 ce.height = ev->height;
1489                 ce.border_width = ev->border_width;
1490                 ce.above = ev->above;
1491                 ce.override_redirect = False;
1492         }
1493
1494         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1495 }
1496
1497 int
1498 count_win(struct workspace *ws, int count_transient)
1499 {
1500         struct ws_win           *win;
1501         int                     count = 0;
1502
1503         TAILQ_FOREACH(win, &ws->winlist, entry) {
1504                 if (count_transient == 0 && win->floating)
1505                         continue;
1506                 if (count_transient == 0 && win->transient)
1507                         continue;
1508                 if (win->iconic)
1509                         continue;
1510                 count++;
1511         }
1512         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1513
1514         return (count);
1515 }
1516
1517 void
1518 quit(struct swm_region *r, union arg *args)
1519 {
1520         DNPRINTF(SWM_D_MISC, "quit\n");
1521         running = 0;
1522 }
1523
1524 void
1525 unmap_window(struct ws_win *win)
1526 {
1527         if (win == NULL)
1528                 return;
1529
1530         /* don't unmap again */
1531         if (getstate(win->id) == IconicState)
1532                 return;
1533
1534         set_win_state(win, IconicState);
1535
1536         XUnmapWindow(display, win->id);
1537         XSetWindowBorder(display, win->id,
1538             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1539 }
1540
1541 void
1542 unmap_all(void)
1543 {
1544         struct ws_win           *win;
1545         int                     i, j;
1546
1547         for (i = 0; i < ScreenCount(display); i++)
1548                 for (j = 0; j < SWM_WS_MAX; j++)
1549                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1550                                 unmap_window(win);
1551 }
1552
1553 void
1554 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1555 {
1556         XKeyEvent event;
1557
1558         if (win == NULL)
1559                 return;
1560
1561         event.display = display;        /* Ignored, but what the hell */
1562         event.window = win->id;
1563         event.root = win->s->root;
1564         event.subwindow = None;
1565         event.time = CurrentTime;
1566         event.x = win->g.x;
1567         event.y = win->g.y;
1568         event.x_root = 1;
1569         event.y_root = 1;
1570         event.same_screen = True;
1571         event.keycode = XKeysymToKeycode(display, keysym);
1572         event.state = modifiers;
1573
1574         event.type = KeyPress;
1575         XSendEvent(event.display, event.window, True,
1576             KeyPressMask, (XEvent *)&event);
1577
1578         event.type = KeyRelease;
1579         XSendEvent(event.display, event.window, True,
1580             KeyPressMask, (XEvent *)&event);
1581
1582 }
1583
1584 void
1585 restart(struct swm_region *r, union arg *args)
1586 {
1587         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1588
1589         /* disable alarm because the following code may not be interrupted */
1590         alarm(0);
1591         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1592                 errx(1, "can't disable alarm");
1593
1594         bar_extra_stop();
1595         bar_extra = 1;
1596         unmap_all();
1597         XCloseDisplay(display);
1598         execvp(start_argv[0], start_argv);
1599         fprintf(stderr, "execvp failed\n");
1600         perror(" failed");
1601         quit(NULL, NULL);
1602 }
1603
1604 struct swm_region *
1605 root_to_region(Window root)
1606 {
1607         struct swm_region       *r = NULL;
1608         Window                  rr, cr;
1609         int                     i, x, y, wx, wy;
1610         unsigned int            mask;
1611
1612         for (i = 0; i < ScreenCount(display); i++)
1613                 if (screens[i].root == root)
1614                         break;
1615
1616         if (XQueryPointer(display, screens[i].root,
1617             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1618                 /* choose a region based on pointer location */
1619                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1620                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1621                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1622                                 break;
1623         }
1624
1625         if (r == NULL)
1626                 r = TAILQ_FIRST(&screens[i].rl);
1627
1628         return (r);
1629 }
1630
1631 struct ws_win *
1632 find_unmanaged_window(Window id)
1633 {
1634         struct ws_win           *win;
1635         int                     i, j;
1636
1637         for (i = 0; i < ScreenCount(display); i++)
1638                 for (j = 0; j < SWM_WS_MAX; j++)
1639                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1640                             entry)
1641                                 if (id == win->id)
1642                                         return (win);
1643         return (NULL);
1644 }
1645
1646 struct ws_win *
1647 find_window(Window id)
1648 {
1649         struct ws_win           *win;
1650         Window                  wrr, wpr, *wcr = NULL;
1651         int                     i, j;
1652         unsigned int            nc;
1653
1654         for (i = 0; i < ScreenCount(display); i++)
1655                 for (j = 0; j < SWM_WS_MAX; j++)
1656                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1657                                 if (id == win->id)
1658                                         return (win);
1659
1660         /* if we were looking for the parent return that window instead */
1661         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1662                 return (NULL);
1663         if (wcr)
1664                 XFree(wcr);
1665
1666         /* ignore not found and root */
1667         if (wpr == 0 || wrr == wpr)
1668                 return (NULL);
1669
1670         /* look for parent */
1671         for (i = 0; i < ScreenCount(display); i++)
1672                 for (j = 0; j < SWM_WS_MAX; j++)
1673                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1674                                 if (wpr == win->id)
1675                                         return (win);
1676
1677         return (NULL);
1678 }
1679
1680 void
1681 spawn(struct swm_region *r, union arg *args, int close_fd)
1682 {
1683         int                     fd;
1684         char                    *ret = NULL;
1685
1686         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1687
1688         if (display)
1689                 close(ConnectionNumber(display));
1690
1691         setenv("LD_PRELOAD", SWM_LIB, 1);
1692
1693         if (asprintf(&ret, "%d", r->ws->idx) == -1) {
1694                 perror("_SWM_WS");
1695                 _exit(1);
1696         }
1697         setenv("_SWM_WS", ret, 1);
1698         free(ret);
1699         ret = NULL;
1700
1701         if (asprintf(&ret, "%d", getpid()) == -1) {
1702                 perror("_SWM_PID");
1703                 _exit(1);
1704         }
1705         setenv("_SWM_PID", ret, 1);
1706         free(ret);
1707         ret = NULL;
1708
1709         if (setsid() == -1) {
1710                 perror("setsid");
1711                 _exit(1);
1712         }
1713
1714         if (close_fd) {
1715                 /*
1716                  * close stdin and stdout to prevent interaction between apps
1717                  * and the baraction script
1718                  * leave stderr open to record errors
1719                 */
1720                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1721                         perror("open");
1722                         _exit(1);
1723                 }
1724                 dup2(fd, STDIN_FILENO);
1725                 dup2(fd, STDOUT_FILENO);
1726                 if (fd > 2)
1727                         close(fd);
1728         }
1729
1730         execvp(args->argv[0], args->argv);
1731
1732         perror("execvp");
1733         _exit(1);
1734 }
1735
1736 void
1737 spawnterm(struct swm_region *r, union arg *args)
1738 {
1739         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1740
1741         if (term_width)
1742                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1743         if (fork() == 0)
1744                 spawn(r, args, 1);
1745 }
1746
1747 void
1748 kill_refs(struct ws_win *win)
1749 {
1750         int                     i, x;
1751         struct swm_region       *r;
1752         struct workspace        *ws;
1753
1754         if (win == NULL)
1755                 return;
1756
1757         for (i = 0; i < ScreenCount(display); i++)
1758                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1759                         for (x = 0; x < SWM_WS_MAX; x++) {
1760                                 ws = &r->s->ws[x];
1761                                 if (win == ws->focus)
1762                                         ws->focus = NULL;
1763                                 if (win == ws->focus_prev)
1764                                         ws->focus_prev = NULL;
1765                         }
1766 }
1767
1768 int
1769 validate_win(struct ws_win *testwin)
1770 {
1771         struct ws_win           *win;
1772         struct workspace        *ws;
1773         struct swm_region       *r;
1774         int                     i, x, foundit = 0;
1775
1776         if (testwin == NULL)
1777                 return(0);
1778
1779         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1780                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1781                         for (x = 0; x < SWM_WS_MAX; x++) {
1782                                 ws = &r->s->ws[x];
1783                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1784                                         if (win == testwin)
1785                                                 return (0);
1786                         }
1787         return (1);
1788 }
1789
1790 int
1791 validate_ws(struct workspace *testws)
1792 {
1793         struct swm_region       *r;
1794         struct workspace        *ws;
1795         int                     foundit, i, x;
1796
1797         /* validate all ws */
1798         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1799                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1800                         for (x = 0; x < SWM_WS_MAX; x++) {
1801                                 ws = &r->s->ws[x];
1802                                 if (ws == testws)
1803                                         return (0);
1804                         }
1805         return (1);
1806 }
1807
1808 void
1809 unfocus_win(struct ws_win *win)
1810 {
1811         XEvent                  cne;
1812         Window                  none = None;
1813
1814         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1815
1816         if (win == NULL)
1817                 return;
1818         if (win->ws == NULL)
1819                 return;
1820
1821         if (validate_ws(win->ws))
1822                 return; /* XXX this gets hit with thunderbird, needs fixing */
1823
1824         if (win->ws->r == NULL)
1825                 return;
1826
1827         if (validate_win(win)) {
1828                 kill_refs(win);
1829                 return;
1830         }
1831
1832         if (win->ws->focus == win) {
1833                 win->ws->focus = NULL;
1834                 win->ws->focus_prev = win;
1835         }
1836
1837         if (validate_win(win->ws->focus)) {
1838                 kill_refs(win->ws->focus);
1839                 win->ws->focus = NULL;
1840         }
1841         if (validate_win(win->ws->focus_prev)) {
1842                 kill_refs(win->ws->focus_prev);
1843                 win->ws->focus_prev = NULL;
1844         }
1845
1846         /* drain all previous unfocus events */
1847         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1848                 ;
1849
1850         grabbuttons(win, 0);
1851         XSetWindowBorder(display, win->id,
1852             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1853
1854         XChangeProperty(display, win->s->root,
1855             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1856             PropModeReplace, (unsigned char *)&none,1);
1857 }
1858
1859 void
1860 unfocus_all(void)
1861 {
1862         struct ws_win           *win;
1863         int                     i, j;
1864
1865         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1866
1867         for (i = 0; i < ScreenCount(display); i++)
1868                 for (j = 0; j < SWM_WS_MAX; j++)
1869                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1870                                 unfocus_win(win);
1871 }
1872
1873 void
1874 focus_win(struct ws_win *win)
1875 {
1876         XEvent                  cne;
1877         Window                  cur_focus;
1878         int                     rr;
1879         struct ws_win           *cfw = NULL;
1880
1881
1882         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1883
1884         if (win == NULL)
1885                 return;
1886         if (win->ws == NULL)
1887                 return;
1888
1889         if (validate_ws(win->ws))
1890                 return; /* XXX this gets hit with thunderbird, needs fixing */
1891
1892         if (validate_win(win)) {
1893                 kill_refs(win);
1894                 return;
1895         }
1896
1897         if (validate_win(win)) {
1898                 kill_refs(win);
1899                 return;
1900         }
1901
1902         XGetInputFocus(display, &cur_focus, &rr);
1903         if ((cfw = find_window(cur_focus)) != NULL)
1904                 unfocus_win(cfw);
1905
1906         win->ws->focus = win;
1907
1908         if (win->ws->r != NULL) {
1909                 /* drain all previous focus events */
1910                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
1911                         ;
1912
1913                 if (win->java == 0)
1914                         XSetInputFocus(display, win->id,
1915                             RevertToParent, CurrentTime);
1916                 XMapRaised(display, win->id);
1917                 grabbuttons(win, 1);
1918                 XSetWindowBorder(display, win->id,
1919                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1920                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1921                         XMapRaised(display, win->id);
1922
1923                 XChangeProperty(display, win->s->root,
1924                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1925                     PropModeReplace, (unsigned char *)&win->id,1);
1926         }
1927
1928         if (window_name_enabled)
1929                 bar_update();
1930 }
1931
1932 void
1933 switchws(struct swm_region *r, union arg *args)
1934 {
1935         int                     wsid = args->id, unmap_old = 0;
1936         struct swm_region       *this_r, *other_r;
1937         struct ws_win           *win;
1938         struct workspace        *new_ws, *old_ws;
1939         union arg               a;
1940
1941         if (!(r && r->s))
1942                 return;
1943
1944         this_r = r;
1945         old_ws = this_r->ws;
1946         new_ws = &this_r->s->ws[wsid];
1947
1948         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1949             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1950             old_ws->idx, wsid);
1951
1952         if (new_ws == NULL || old_ws == NULL)
1953                 return;
1954         if (new_ws == old_ws)
1955                 return;
1956
1957         other_r = new_ws->r;
1958         if (other_r == NULL) {
1959                 /* the other workspace is hidden, hide this one */
1960                 old_ws->r = NULL;
1961                 unmap_old = 1;
1962         } else {
1963                 /* the other ws is visible in another region, exchange them */
1964                 other_r->ws_prior = new_ws;
1965                 other_r->ws = old_ws;
1966                 old_ws->r = other_r;
1967         }
1968         this_r->ws_prior = old_ws;
1969         this_r->ws = new_ws;
1970         new_ws->r = this_r;
1971
1972         stack();
1973         a.id = SWM_ARG_ID_FOCUSCUR;
1974         focus(new_ws->r, &a);
1975
1976         bar_update();
1977
1978         /* unmap old windows */
1979         if (unmap_old)
1980                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1981                         unmap_window(win);
1982
1983         if (focus_mode == SWM_FOCUS_DEFAULT)
1984                 drain_enter_notify();
1985 }
1986
1987 void
1988 cyclews(struct swm_region *r, union arg *args)
1989 {
1990         union                   arg a;
1991         struct swm_screen       *s = r->s;
1992
1993         DNPRINTF(SWM_D_WS, "cyclews id %d "
1994             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1995             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1996
1997         a.id = r->ws->idx;
1998         do {
1999                 switch (args->id) {
2000                 case SWM_ARG_ID_CYCLEWS_UP:
2001                         if (a.id < SWM_WS_MAX - 1)
2002                                 a.id++;
2003                         else
2004                                 a.id = 0;
2005                         break;
2006                 case SWM_ARG_ID_CYCLEWS_DOWN:
2007                         if (a.id > 0)
2008                                 a.id--;
2009                         else
2010                                 a.id = SWM_WS_MAX - 1;
2011                         break;
2012                 default:
2013                         return;
2014                 };
2015
2016                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2017                         continue;
2018                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2019                         continue;
2020
2021                 switchws(r, &a);
2022         } while (a.id != r->ws->idx);
2023 }
2024
2025 void
2026 priorws(struct swm_region *r, union arg *args)
2027 {
2028         union arg               a;
2029
2030         DNPRINTF(SWM_D_WS, "priorws id %d "
2031             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2032             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2033
2034         if (r->ws_prior == NULL)
2035                 return;
2036
2037         a.id = r->ws_prior->idx;
2038         switchws(r, &a);
2039 }
2040
2041 void
2042 cyclescr(struct swm_region *r, union arg *args)
2043 {
2044         struct swm_region       *rr = NULL;
2045         union arg               a;
2046         int                     i, x, y;
2047
2048         /* do nothing if we don't have more than one screen */
2049         if (!(ScreenCount(display) > 1 || outputs > 1))
2050                 return;
2051
2052         i = r->s->idx;
2053         switch (args->id) {
2054         case SWM_ARG_ID_CYCLESC_UP:
2055                 rr = TAILQ_NEXT(r, entry);
2056                 if (rr == NULL)
2057                         rr = TAILQ_FIRST(&screens[i].rl);
2058                 break;
2059         case SWM_ARG_ID_CYCLESC_DOWN:
2060                 rr = TAILQ_PREV(r, swm_region_list, entry);
2061                 if (rr == NULL)
2062                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2063                 break;
2064         default:
2065                 return;
2066         };
2067         if (rr == NULL)
2068                 return;
2069
2070         /* move mouse to region */
2071         x = rr->g.x + 1;
2072         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2073         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2074
2075         a.id = SWM_ARG_ID_FOCUSCUR;
2076         focus(rr, &a);
2077
2078         if (rr->ws->focus) {
2079                 /* move to focus window */
2080                 x = rr->ws->focus->g.x + 1;
2081                 y = rr->ws->focus->g.y + 1;
2082                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2083         }
2084 }
2085
2086 void
2087 sort_windows(struct ws_win_list *wl)
2088 {
2089         struct ws_win           *win, *parent, *nxt;
2090
2091         if (wl == NULL)
2092                 return;
2093
2094         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2095                 nxt = TAILQ_NEXT(win, entry);
2096                 if (win->transient) {
2097                         parent = find_window(win->transient);
2098                         if (parent == NULL) {
2099                                 fprintf(stderr, "not possible bug\n");
2100                                 continue;
2101                         }
2102                         TAILQ_REMOVE(wl, win, entry);
2103                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2104                 }
2105         }
2106
2107 }
2108
2109 void
2110 swapwin(struct swm_region *r, union arg *args)
2111 {
2112         struct ws_win           *target, *source;
2113         struct ws_win           *cur_focus;
2114         struct ws_win_list      *wl;
2115
2116
2117         DNPRINTF(SWM_D_WS, "swapwin id %d "
2118             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2119             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2120
2121         cur_focus = r->ws->focus;
2122         if (cur_focus == NULL)
2123                 return;
2124
2125         source = cur_focus;
2126         wl = &source->ws->winlist;
2127
2128         switch (args->id) {
2129         case SWM_ARG_ID_SWAPPREV:
2130                 if (source->transient)
2131                         source = find_window(source->transient);
2132                 target = TAILQ_PREV(source, ws_win_list, entry);
2133                 if (target && target->transient)
2134                         target = find_window(target->transient);
2135                 TAILQ_REMOVE(wl, source, entry);
2136                 if (target == NULL)
2137                         TAILQ_INSERT_TAIL(wl, source, entry);
2138                 else
2139                         TAILQ_INSERT_BEFORE(target, source, entry);
2140                 break;
2141         case SWM_ARG_ID_SWAPNEXT:
2142                 target = TAILQ_NEXT(source, entry);
2143                 /* move the parent and let the sort handle the move */
2144                 if (source->transient)
2145                         source = find_window(source->transient);
2146                 TAILQ_REMOVE(wl, source, entry);
2147                 if (target == NULL)
2148                         TAILQ_INSERT_HEAD(wl, source, entry);
2149                 else
2150                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2151                 break;
2152         case SWM_ARG_ID_SWAPMAIN:
2153                 target = TAILQ_FIRST(wl);
2154                 if (target == source) {
2155                         if (source->ws->focus_prev != NULL &&
2156                             source->ws->focus_prev != target)
2157
2158                                 source = source->ws->focus_prev;
2159                         else
2160                                 return;
2161                 }
2162                 if (target == NULL || source == NULL)
2163                         return;
2164                 source->ws->focus_prev = target;
2165                 TAILQ_REMOVE(wl, target, entry);
2166                 TAILQ_INSERT_BEFORE(source, target, entry);
2167                 TAILQ_REMOVE(wl, source, entry);
2168                 TAILQ_INSERT_HEAD(wl, source, entry);
2169                 break;
2170         case SWM_ARG_ID_MOVELAST:
2171                 TAILQ_REMOVE(wl, source, entry);
2172                 TAILQ_INSERT_TAIL(wl, source, entry);
2173                 break;
2174         default:
2175                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2176                 return;
2177         }
2178
2179         sort_windows(wl);
2180
2181         stack();
2182 }
2183
2184 void
2185 focus_prev(struct ws_win *win)
2186 {
2187         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2188         struct ws_win           *cur_focus = NULL;
2189         struct ws_win_list      *wl = NULL;
2190         struct workspace        *ws = NULL;
2191
2192         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2193
2194         if (!(win && win->ws))
2195                 return;
2196
2197         ws = win->ws;
2198         wl = &ws->winlist;
2199         cur_focus = ws->focus;
2200         winlostfocus = cur_focus;
2201
2202         /* pickle, just focus on whatever */
2203         if (cur_focus == NULL) {
2204                 /* use prev_focus if valid */
2205                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2206                     find_window(WINID(ws->focus_prev)))
2207                         winfocus = ws->focus_prev;
2208                 if (winfocus == NULL)
2209                         winfocus = TAILQ_FIRST(wl);
2210                 goto done;
2211         }
2212
2213         /* if transient focus on parent */
2214         if (cur_focus->transient) {
2215                 winfocus = find_window(cur_focus->transient);
2216                 goto done;
2217         }
2218
2219         /* if in max_stack try harder */
2220         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
2221                 if (cur_focus != ws->focus_prev)
2222                         winfocus = ws->focus_prev;
2223                 else if (cur_focus != ws->focus)
2224                         winfocus = ws->focus;
2225                 else
2226                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2227                 if (winfocus)
2228                         goto done;
2229         }
2230
2231         if (cur_focus == win)
2232                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2233         if (winfocus == NULL)
2234                 winfocus = TAILQ_LAST(wl, ws_win_list);
2235         if (winfocus == NULL || winfocus == win)
2236                 winfocus = TAILQ_NEXT(cur_focus, entry);
2237 done:
2238         if (winfocus == winlostfocus || winfocus == NULL)
2239                 return;
2240
2241         focus_magic(winfocus);
2242 }
2243
2244 void
2245 focus(struct swm_region *r, union arg *args)
2246 {
2247         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2248         struct ws_win           *cur_focus = NULL;
2249         struct ws_win_list      *wl = NULL;
2250         struct workspace        *ws = NULL;
2251
2252         if (!(r && r->ws))
2253                 return;
2254
2255         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2256
2257         /* treat FOCUS_CUR special */
2258         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2259                 if (r->ws->focus && r->ws->focus->iconic == 0)
2260                         winfocus = r->ws->focus;
2261                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2262                         winfocus = r->ws->focus_prev;
2263                 else
2264                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2265                                 if (winfocus->iconic == 0)
2266                                         break;
2267
2268                 focus_magic(winfocus);
2269                 return;
2270         }
2271
2272         if ((cur_focus = r->ws->focus) == NULL)
2273                 return;
2274         ws = r->ws;
2275         wl = &ws->winlist;
2276
2277         winlostfocus = cur_focus;
2278
2279         switch (args->id) {
2280         case SWM_ARG_ID_FOCUSPREV:
2281                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2282                 if (head == NULL)
2283                         head = TAILQ_LAST(wl, ws_win_list);
2284                 winfocus = head;
2285                 if (WINID(winfocus) == cur_focus->transient) {
2286                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2287                         if (head == NULL)
2288                                 head = TAILQ_LAST(wl, ws_win_list);
2289                         winfocus = head;
2290                 }
2291
2292                 /* skip iconics */
2293                 if (winfocus && winfocus->iconic) {
2294                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2295                                 if (winfocus->iconic == 0)
2296                                         break;
2297                 }
2298                 break;
2299
2300         case SWM_ARG_ID_FOCUSNEXT:
2301                 head = TAILQ_NEXT(cur_focus, entry);
2302                 if (head == NULL)
2303                         head = TAILQ_FIRST(wl);
2304                 winfocus = head;
2305
2306                 /* skip iconics */
2307                 if (winfocus && winfocus->iconic) {
2308                         TAILQ_FOREACH(winfocus, wl, entry)
2309                                 if (winfocus->iconic == 0)
2310                                         break;
2311                 }
2312                 break;
2313
2314         case SWM_ARG_ID_FOCUSMAIN:
2315                 winfocus = TAILQ_FIRST(wl);
2316                 if (winfocus == cur_focus)
2317                         winfocus = cur_focus->ws->focus_prev;
2318                 break;
2319
2320         default:
2321                 return;
2322         }
2323         if (winfocus == winlostfocus || winfocus == NULL)
2324                 return;
2325
2326         focus_magic(winfocus);
2327 }
2328
2329 void
2330 cycle_layout(struct swm_region *r, union arg *args)
2331 {
2332         struct workspace        *ws = r->ws;
2333         struct ws_win           *winfocus;
2334         union arg               a;
2335
2336         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2337
2338         winfocus = ws->focus;
2339
2340         ws->cur_layout++;
2341         if (ws->cur_layout->l_stack == NULL)
2342                 ws->cur_layout = &layouts[0];
2343
2344         stack();
2345         if (focus_mode == SWM_FOCUS_DEFAULT)
2346                 drain_enter_notify();
2347         a.id = SWM_ARG_ID_FOCUSCUR;
2348         focus(r, &a);
2349         bar_update();
2350 }
2351
2352 void
2353 stack_config(struct swm_region *r, union arg *args)
2354 {
2355         struct workspace        *ws = r->ws;
2356
2357         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2358             args->id, ws->idx);
2359
2360         if (ws->cur_layout->l_config != NULL)
2361                 ws->cur_layout->l_config(ws, args->id);
2362
2363         if (args->id != SWM_ARG_ID_STACKINIT);
2364                 stack();
2365 }
2366
2367 void
2368 stack(void) {
2369         struct swm_geometry     g;
2370         struct swm_region       *r;
2371         int                     i, j;
2372
2373         DNPRINTF(SWM_D_STACK, "stack\n");
2374
2375         for (i = 0; i < ScreenCount(display); i++) {
2376                 j = 0;
2377                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2378                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2379                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2380
2381                         /* start with screen geometry, adjust for bar */
2382                         g = r->g;
2383                         g.w -= 2 * border_width;
2384                         g.h -= 2 * border_width;
2385                         if (bar_enabled) {
2386                                 if (!bar_at_bottom)
2387                                         g.y += bar_height;
2388                                 g.h -= bar_height;
2389                         }
2390                         r->ws->cur_layout->l_stack(r->ws, &g);
2391                         /* save r so we can track region changes */
2392                         r->ws->old_r = r;
2393                 }
2394         }
2395         if (font_adjusted)
2396                 font_adjusted--;
2397
2398         if (focus_mode == SWM_FOCUS_DEFAULT)
2399                 drain_enter_notify();
2400 }
2401
2402 void
2403 store_float_geom(struct ws_win *win, struct swm_region *r)
2404 {
2405         /* retain window geom and region geom */
2406         win->g_float.x = win->g.x;
2407         win->g_float.y = win->g.y;
2408         win->g_float.w = win->g.w;
2409         win->g_float.h = win->g.h;
2410         win->rg_float.x = r->g.x;
2411         win->rg_float.y = r->g.y;
2412         win->rg_float.w = r->g.w;
2413         win->rg_float.h = r->g.h;
2414         win->g_floatvalid = 1;
2415 }
2416
2417 void
2418 stack_floater(struct ws_win *win, struct swm_region *r)
2419 {
2420         unsigned int            mask;
2421         XWindowChanges          wc;
2422
2423         if (win == NULL)
2424                 return;
2425
2426         bzero(&wc, sizeof wc);
2427         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2428
2429         /*
2430          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2431          * geom on ws switches or return from max mode
2432          */
2433
2434         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2435             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2436                 /*
2437                  * use stored g and rg to set relative position and size
2438                  * as in old region or before max stack mode
2439                  */
2440                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2441                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2442                 win->g.w = win->g_float.w;
2443                 win->g.h = win->g_float.h;
2444                 win->g_floatvalid = 0;
2445         }
2446
2447         win->floatmaxed = 0;
2448
2449         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2450             (win->g.h >= HEIGHT(r)))
2451                 wc.border_width = 0;
2452         else
2453                 wc.border_width = border_width;
2454         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2455                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2456                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2457         }
2458
2459         if (!win->manual) {
2460                 /*
2461                  * floaters and transients are auto-centred unless moved
2462                  * or resized
2463                  */
2464                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) / 2 - wc.border_width;
2465                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) / 2 - wc.border_width;
2466         }
2467
2468         /* win can be outside r if new r smaller than old r */
2469         /* Ensure top left corner inside r (move probs otherwise) */
2470         if (win->g.x < r->g.x - wc.border_width)
2471                 win->g.x = r->g.x - wc.border_width;
2472         if (win->g.x > r->g.x + r->g.w - 1)
2473                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2474                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2475         if (win->g.y < r->g.y - wc.border_width)
2476                 win->g.y = r->g.y - wc.border_width;
2477         if (win->g.y > r->g.y + r->g.h - 1)
2478                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2479                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2480
2481         wc.x = win->g.x;
2482         wc.y = win->g.y;
2483         wc.width = win->g.w;
2484         wc.height = win->g.h;
2485
2486         /*
2487          * Retain floater and transient geometry for correct positioning
2488          * when ws changes region
2489          */
2490         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2491                 store_float_geom(win, r);
2492
2493         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2494             win->id, wc.x, wc.y, wc.width, wc.height);
2495
2496         XConfigureWindow(display, win->id, mask, &wc);
2497 }
2498
2499 /*
2500  * Send keystrokes to terminal to decrease/increase the font size as the
2501  * window size changes.
2502  */
2503 void
2504 adjust_font(struct ws_win *win)
2505 {
2506         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2507             win->floating || win->transient)
2508                 return;
2509
2510         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2511             win->g.w / win->sh.width_inc < term_width &&
2512             win->font_steps < SWM_MAX_FONT_STEPS) {
2513                 win->font_size_boundary[win->font_steps] =
2514                     (win->sh.width_inc * term_width) + win->sh.base_width;
2515                 win->font_steps++;
2516                 font_adjusted++;
2517                 win->last_inc = win->sh.width_inc;
2518                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2519         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2520             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2521                 win->font_steps--;
2522                 font_adjusted++;
2523                 win->last_inc = win->sh.width_inc;
2524                 fake_keypress(win, XK_KP_Add, ShiftMask);
2525         }
2526 }
2527
2528 #define SWAPXY(g)       do {                            \
2529         int tmp;                                        \
2530         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2531         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2532 } while (0)
2533 void
2534 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2535 {
2536         XWindowChanges          wc;
2537         XWindowAttributes       wa;
2538         struct swm_geometry     win_g, r_g = *g;
2539         struct ws_win           *win, *fs_win = 0;
2540         int                     i, j, s, stacks;
2541         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2542         int                     hrh, extra = 0, h_slice, last_h = 0;
2543         int                     split, colno, winno, mwin, msize, mscale;
2544         int                     remain, missing, v_slice, reconfigure;
2545         unsigned int            mask;
2546
2547         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2548             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2549
2550         winno = count_win(ws, 0);
2551         if (winno == 0 && count_win(ws, 1) == 0)
2552                 return;
2553
2554         TAILQ_FOREACH(win, &ws->winlist, entry)
2555                 if (win->transient == 0 && win->floating == 0 && win->iconic == 0)
2556                         break;
2557
2558         if (win == NULL)
2559                 goto notiles;
2560
2561         if (rot) {
2562                 w_inc = win->sh.width_inc;
2563                 w_base = win->sh.base_width;
2564                 mwin = ws->l_state.horizontal_mwin;
2565                 mscale = ws->l_state.horizontal_msize;
2566                 stacks = ws->l_state.horizontal_stacks;
2567                 SWAPXY(&r_g);
2568         } else {
2569                 w_inc = win->sh.height_inc;
2570                 w_base = win->sh.base_height;
2571                 mwin = ws->l_state.vertical_mwin;
2572                 mscale = ws->l_state.vertical_msize;
2573                 stacks = ws->l_state.vertical_stacks;
2574         }
2575         win_g = r_g;
2576
2577         if (stacks > winno - mwin)
2578                 stacks = winno - mwin;
2579         if (stacks < 1)
2580                 stacks = 1;
2581
2582         h_slice = r_g.h / SWM_H_SLICE;
2583         if (mwin && winno > mwin) {
2584                 v_slice = r_g.w / SWM_V_SLICE;
2585
2586                 split = mwin;
2587                 colno = split;
2588                 win_g.w = v_slice * mscale;
2589
2590                 if (w_inc > 1 && w_inc < v_slice) {
2591                         /* adjust for window's requested size increment */
2592                         remain = (win_g.w - w_base) % w_inc;
2593                         missing = w_inc - remain;
2594                         win_g.w -= remain;
2595                         extra += remain;
2596                 }
2597
2598                 msize = win_g.w;
2599                 if (flip)
2600                         win_g.x += r_g.w - msize;
2601         } else {
2602                 msize = -2;
2603                 colno = split = winno / stacks;
2604                 win_g.w = ((r_g.w - (stacks * 2 * border_width) + 2 * border_width) / stacks);
2605         }
2606         hrh = r_g.h / colno;
2607         extra = r_g.h - (colno * hrh);
2608         win_g.h = hrh - 2 * border_width;
2609
2610         /*  stack all the tiled windows */
2611         i = j = 0, s = stacks;
2612         TAILQ_FOREACH(win, &ws->winlist, entry) {
2613                 if (win->transient != 0 || win->floating != 0)
2614                         continue;
2615                 if (win->iconic != 0)
2616                         continue;
2617
2618                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2619                         fs_win = win;
2620                         continue;
2621                 }
2622
2623                 if (split && i == split) {
2624                         colno = (winno - mwin) / stacks;
2625                         if (s <= (winno - mwin) % stacks)
2626                                 colno++;
2627                         split = split + colno;
2628                         hrh = (r_g.h / colno);
2629                         extra = r_g.h - (colno * hrh);
2630                         if (flip)
2631                                 win_g.x = r_g.x;
2632                         else
2633                                 win_g.x += win_g.w + 2 * border_width;
2634                         win_g.w = (r_g.w - msize - (stacks * 2 * border_width)) / stacks;
2635                         if (s == 1)
2636                                 win_g.w += (r_g.w - msize - (stacks * 2 * border_width)) %
2637                                     stacks;
2638                         s--;
2639                         j = 0;
2640                 }
2641                 win_g.h = hrh - 2 * border_width;
2642                 if (rot) {
2643                         h_inc = win->sh.width_inc;
2644                         h_base = win->sh.base_width;
2645                 } else {
2646                         h_inc = win->sh.height_inc;
2647                         h_base = win->sh.base_height;
2648                 }
2649                 if (j == colno - 1) {
2650                         win_g.h = hrh + extra;
2651                 } else if (h_inc > 1 && h_inc < h_slice) {
2652                         /* adjust for window's requested size increment */
2653                         remain = (win_g.h - h_base) % h_inc;
2654                         missing = h_inc - remain;
2655
2656                         if (missing <= extra || j == 0) {
2657                                 extra -= missing;
2658                                 win_g.h += missing;
2659                         } else {
2660                                 win_g.h -= remain;
2661                                 extra += remain;
2662                         }
2663                 }
2664
2665                 if (j == 0)
2666                         win_g.y = r_g.y;
2667                 else
2668                         win_g.y += last_h + 2 * border_width;
2669
2670                 bzero(&wc, sizeof wc);
2671                 if (disable_border && bar_enabled == 0 && winno == 1){
2672                         wc.border_width = 0;
2673                         win_g.w += 2 * border_width;
2674                         win_g.h += 2 * border_width;
2675                 } else
2676                         wc.border_width = border_width;
2677                 reconfigure = 0;
2678                 if (rot) {
2679                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2680                             win->g.w != win_g.h || win->g.h != win_g.w) {
2681                                 reconfigure = 1;
2682                                 win->g.x = wc.x = win_g.y;
2683                                 win->g.y = wc.y = win_g.x;
2684                                 win->g.w = wc.width = win_g.h;
2685                                 win->g.h = wc.height = win_g.w;
2686                         }
2687                 } else {
2688                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2689                             win->g.w != win_g.w || win->g.h != win_g.h) {
2690                                 reconfigure = 1;
2691                                 win->g.x = wc.x = win_g.x;
2692                                 win->g.y = wc.y = win_g.y;
2693                                 win->g.w = wc.width = win_g.w;
2694                                 win->g.h = wc.height = win_g.h;
2695                         }
2696                 }
2697                 if (reconfigure) {
2698                         adjust_font(win);
2699                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2700                         XConfigureWindow(display, win->id, mask, &wc);
2701                 }
2702
2703                 if (XGetWindowAttributes(display, win->id, &wa))
2704                         if (wa.map_state == IsUnmapped)
2705                                 XMapRaised(display, win->id);
2706
2707                 last_h = win_g.h;
2708                 i++;
2709                 j++;
2710         }
2711
2712 notiles:
2713         /* now, stack all the floaters and transients */
2714         TAILQ_FOREACH(win, &ws->winlist, entry) {
2715                 if (win->transient == 0 && win->floating == 0)
2716                         continue;
2717                 if (win->iconic == 1)
2718                         continue;
2719                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2720                         fs_win = win;
2721                         continue;
2722                 }
2723
2724                 stack_floater(win, ws->r);
2725                 XMapRaised(display, win->id);
2726         }
2727
2728         if (fs_win) {
2729                 stack_floater(fs_win, ws->r);
2730                 XMapRaised(display, fs_win->id);
2731         }
2732 }
2733
2734 void
2735 vertical_config(struct workspace *ws, int id)
2736 {
2737         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2738
2739         switch (id) {
2740         case SWM_ARG_ID_STACKRESET:
2741         case SWM_ARG_ID_STACKINIT:
2742                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2743                 ws->l_state.vertical_mwin = 1;
2744                 ws->l_state.vertical_stacks = 1;
2745                 break;
2746         case SWM_ARG_ID_MASTERSHRINK:
2747                 if (ws->l_state.vertical_msize > 1)
2748                         ws->l_state.vertical_msize--;
2749                 break;
2750         case SWM_ARG_ID_MASTERGROW:
2751                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2752                         ws->l_state.vertical_msize++;
2753                 break;
2754         case SWM_ARG_ID_MASTERADD:
2755                 ws->l_state.vertical_mwin++;
2756                 break;
2757         case SWM_ARG_ID_MASTERDEL:
2758                 if (ws->l_state.vertical_mwin > 0)
2759                         ws->l_state.vertical_mwin--;
2760                 break;
2761         case SWM_ARG_ID_STACKINC:
2762                 ws->l_state.vertical_stacks++;
2763                 break;
2764         case SWM_ARG_ID_STACKDEC:
2765                 if (ws->l_state.vertical_stacks > 1)
2766                         ws->l_state.vertical_stacks--;
2767                 break;
2768         default:
2769                 return;
2770         }
2771 }
2772
2773 void
2774 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2775 {
2776         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2777
2778         stack_master(ws, g, 0, 0);
2779 }
2780
2781 void
2782 horizontal_config(struct workspace *ws, int id)
2783 {
2784         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2785
2786         switch (id) {
2787         case SWM_ARG_ID_STACKRESET:
2788         case SWM_ARG_ID_STACKINIT:
2789                 ws->l_state.horizontal_mwin = 1;
2790                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2791                 ws->l_state.horizontal_stacks = 1;
2792                 break;
2793         case SWM_ARG_ID_MASTERSHRINK:
2794                 if (ws->l_state.horizontal_msize > 1)
2795                         ws->l_state.horizontal_msize--;
2796                 break;
2797         case SWM_ARG_ID_MASTERGROW:
2798                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2799                         ws->l_state.horizontal_msize++;
2800                 break;
2801         case SWM_ARG_ID_MASTERADD:
2802                 ws->l_state.horizontal_mwin++;
2803                 break;
2804         case SWM_ARG_ID_MASTERDEL:
2805                 if (ws->l_state.horizontal_mwin > 0)
2806                         ws->l_state.horizontal_mwin--;
2807                 break;
2808         case SWM_ARG_ID_STACKINC:
2809                 ws->l_state.horizontal_stacks++;
2810                 break;
2811         case SWM_ARG_ID_STACKDEC:
2812                 if (ws->l_state.horizontal_stacks > 1)
2813                         ws->l_state.horizontal_stacks--;
2814                 break;
2815         default:
2816                 return;
2817         }
2818 }
2819
2820 void
2821 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2822 {
2823         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2824
2825         stack_master(ws, g, 1, 0);
2826 }
2827
2828 /* fullscreen view */
2829 void
2830 max_stack(struct workspace *ws, struct swm_geometry *g)
2831 {
2832         XWindowChanges          wc;
2833         struct swm_geometry     gg = *g;
2834         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2835         unsigned int            mask;
2836         int                     winno;
2837
2838         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2839
2840         if (ws == NULL)
2841                 return;
2842
2843         winno = count_win(ws, 0);
2844         if (winno == 0 && count_win(ws, 1) == 0)
2845                 return;
2846
2847         TAILQ_FOREACH(win, &ws->winlist, entry) {
2848                 if (win->transient) {
2849                         wintrans = win;
2850                         parent = find_window(win->transient);
2851                         continue;
2852                 }
2853
2854                 if (win->floating && win->floatmaxed == 0 ) {
2855                         /*
2856                          * retain geometry for retrieval on exit from
2857                          * max_stack mode
2858                          */
2859                         store_float_geom(win, ws->r);
2860                         win->floatmaxed = 1;
2861                 }
2862
2863                 /* only reconfigure if necessary */
2864                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2865                     win->g.h != gg.h) {
2866                         bzero(&wc, sizeof wc);
2867                         win->g.x = wc.x = gg.x;
2868                         win->g.y = wc.y = gg.y;
2869                         if (bar_enabled){
2870                                 wc.border_width = border_width;
2871                                 win->g.w = wc.width = gg.w;
2872                                 win->g.h = wc.height = gg.h;
2873                         } else {
2874                                 wc.border_width = 0;
2875                                 win->g.w = wc.width = gg.w + 2 * border_width;
2876                                 win->g.h = wc.height = gg.h + 2 * border_width;
2877                         }
2878                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2879                         XConfigureWindow(display, win->id, mask, &wc);
2880                 }
2881                 /* unmap only if we don't have multi screen */
2882                 if (win != ws->focus)
2883                         if (!(ScreenCount(display) > 1 || outputs > 1))
2884                                 unmap_window(win);
2885         }
2886
2887         /* put the last transient on top */
2888         if (wintrans) {
2889                 if (parent)
2890                         XMapRaised(display, parent->id);
2891                 stack_floater(wintrans, ws->r);
2892                 focus_magic(wintrans);
2893         }
2894 }
2895
2896 void
2897 send_to_ws(struct swm_region *r, union arg *args)
2898 {
2899         int                     wsid = args->id;
2900         struct ws_win           *win = NULL, *parent;
2901         struct workspace        *ws, *nws;
2902         Atom                    ws_idx_atom = 0;
2903         unsigned char           ws_idx_str[SWM_PROPLEN];
2904         union arg               a;
2905
2906         if (r && r->ws)
2907                 win = r->ws->focus;
2908         else
2909                 return;
2910         if (win == NULL)
2911                 return;
2912         if (win->ws->idx == wsid)
2913                 return;
2914
2915         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2916
2917         ws = win->ws;
2918         nws = &win->s->ws[wsid];
2919
2920         a.id = SWM_ARG_ID_FOCUSPREV;
2921         focus(r, &a);
2922         if (win->transient) {
2923                 parent = find_window(win->transient);
2924                 if (parent) {
2925                         unmap_window(parent);
2926                         TAILQ_REMOVE(&ws->winlist, parent, entry);
2927                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
2928                         parent->ws = nws;
2929                 }
2930         }
2931         unmap_window(win);
2932         TAILQ_REMOVE(&ws->winlist, win, entry);
2933         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2934         win->ws = nws;
2935
2936         /* Try to update the window's workspace property */
2937         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2938         if (ws_idx_atom &&
2939             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2940                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2941                     ws_idx_str);
2942                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2943                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2944         }
2945
2946         stack();
2947 }
2948
2949 void
2950 iconify(struct swm_region *r, union arg *args)
2951 {
2952         union arg a;
2953
2954         if (r->ws->focus == NULL)
2955                 return;
2956         unmap_window(r->ws->focus);
2957         update_iconic(r->ws->focus, 1);
2958         stack();
2959         if (focus_mode == SWM_FOCUS_DEFAULT)
2960                 drain_enter_notify();
2961         r->ws->focus = NULL;
2962         a.id = SWM_ARG_ID_FOCUSCUR;
2963         focus(r, &a);
2964 }
2965
2966 unsigned char *
2967 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
2968     unsigned long *slen)
2969 {
2970         int                     status, retfmt;
2971         unsigned long           nitems, nbytes, nextra;
2972         unsigned char           *prop = NULL;
2973         Atom                    rettype;
2974
2975         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
2976             &rettype, &retfmt,  &nitems, &nbytes, &prop);
2977         if (status != Success)
2978                 return (NULL);
2979         XFree(prop);
2980
2981         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
2982             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
2983         if (status != Success) {
2984                 XFree(prop);
2985                 return (NULL);
2986         }
2987         if (rettype != stype) {
2988                 XFree(prop);
2989                 return (NULL);
2990         }
2991         *slen = nitems;
2992         return (prop);
2993 }
2994
2995 void
2996 uniconify(struct swm_region *r, union arg *args)
2997 {
2998         struct ws_win           *win;
2999         FILE                    *lfile;
3000         char                    *name;
3001         int                     count = 0;
3002         unsigned long           len;
3003
3004         DNPRINTF(SWM_D_MISC, "uniconify\n");
3005
3006         if (r && r->ws == NULL)
3007                 return;
3008
3009         /* make sure we have anything to uniconify */
3010         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3011                 if (win->ws == NULL)
3012                         continue; /* should never happen */
3013                 if (win->iconic == 0)
3014                         continue;
3015                 count++;
3016         }
3017         if (count == 0)
3018                 return;
3019
3020         search_r = r;
3021
3022         spawn_select(r, args, "uniconify", &searchpid);
3023
3024         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3025                 return;
3026
3027         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3028                 if (win->ws == NULL)
3029                         continue; /* should never happen */
3030                 if (win->iconic == 0)
3031                         continue;
3032
3033                 name = get_win_name(display, win->id, a_wmname, a_string,
3034                     &len);
3035                 if (name == NULL)
3036                         continue;
3037                 fprintf(lfile, "%s.%lu\n", name, win->id);
3038                 XFree(name);
3039         }
3040
3041         fclose(lfile);
3042 }
3043
3044 #define MAX_RESP_LEN    1024
3045
3046 void
3047 search_do_resp(void)
3048 {
3049         ssize_t                 rbytes;
3050         struct ws_win           *win;
3051         char                    *name, *resp, *s;
3052         unsigned long           len;
3053
3054         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3055
3056         search_resp = 0;
3057         searchpid = 0;
3058
3059         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3060                 fprintf(stderr, "search: calloc\n");
3061                 return;
3062         }
3063
3064         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3065         if (rbytes <= 0) {
3066                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3067                 goto done;
3068         }
3069         resp[rbytes] = '\0';
3070         len = strlen(resp);
3071
3072         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3073         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3074                 if (win->iconic == 0)
3075                         continue;
3076                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3077                 if (name == NULL)
3078                         continue;
3079                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3080                         XFree(name);
3081                         continue;
3082                 }
3083                 XFree(name);
3084                 if (strncmp(s, resp, len) == 0) {
3085                         /* XXX this should be a callback to generalize */
3086                         update_iconic(win, 0);
3087                         free(s);
3088                         break;
3089                 }
3090                 free(s);
3091         }
3092 done:
3093         free(resp);
3094 }
3095
3096 void
3097 wkill(struct swm_region *r, union arg *args)
3098 {
3099         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3100
3101         if (r->ws->focus == NULL)
3102                 return;
3103
3104         if (args->id == SWM_ARG_ID_KILLWINDOW)
3105                 XKillClient(display, r->ws->focus->id);
3106         else
3107                 if (r->ws->focus->can_delete)
3108                         client_msg(r->ws->focus, adelete);
3109 }
3110
3111
3112 int
3113 floating_toggle_win(struct ws_win *win)
3114 {
3115         struct swm_region       *r;
3116
3117         if (win == NULL)
3118                 return 0;
3119
3120         if (!win->ws->r)
3121                 return 0;
3122
3123         r = win->ws->r;
3124
3125         /* reject floating toggles in max stack mode */
3126         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3127                 return 0;
3128
3129         if (win->floating) {
3130                 if (!win->floatmaxed) {
3131                         /* retain position for refloat */
3132                         store_float_geom(win, r);
3133                 }
3134                 win->floating = 0;
3135         } else {
3136                 if (win->g_floatvalid) {
3137                         /* refloat at last floating relative position */
3138                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3139                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3140                         win->g.w = win->g_float.w;
3141                         win->g.h = win->g_float.h;
3142                 }
3143                 win->floating = 1;
3144         }
3145
3146         ewmh_update_actions(win);
3147
3148         return 1;
3149 }
3150
3151 void
3152 floating_toggle(struct swm_region *r, union arg *args)
3153 {
3154         struct ws_win           *win = r->ws->focus;
3155         union arg               a;
3156
3157         if (win == NULL)
3158                 return;
3159
3160         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3161             _NET_WM_STATE_TOGGLE);
3162
3163         stack();
3164         if (focus_mode == SWM_FOCUS_DEFAULT)
3165                 drain_enter_notify();
3166
3167         if (win == win->ws->focus) {
3168                 a.id = SWM_ARG_ID_FOCUSCUR;
3169                 focus(win->ws->r, &a);
3170         }
3171 }
3172
3173 void
3174 resize_window(struct ws_win *win, int center)
3175 {
3176         unsigned int            mask;
3177         XWindowChanges          wc;
3178         struct swm_region       *r;
3179
3180         r = root_to_region(win->wa.root);
3181         bzero(&wc, sizeof wc);
3182         mask = CWBorderWidth | CWWidth | CWHeight;
3183         wc.border_width = border_width;
3184         wc.width = win->g.w;
3185         wc.height = win->g.h;
3186         if (center == SWM_ARG_ID_CENTER) {
3187                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3188                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3189                 mask |= CWX | CWY;
3190         }
3191
3192         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3193             win->id, wc.x, wc.y, wc.width, wc.height);
3194
3195         XConfigureWindow(display, win->id, mask, &wc);
3196 }
3197
3198 void
3199 resize(struct ws_win *win, union arg *args)
3200 {
3201         XEvent                  ev;
3202         Time                    time = 0;
3203         struct swm_region       *r = win->ws->r;
3204         int                     relx, rely;
3205         union arg               a;
3206
3207
3208         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3209             win->id, win->floating, win->transient);
3210
3211         if (!(win->transient != 0 || win->floating != 0))
3212                 return;
3213
3214         /* reject resizes in max mode for floaters (transient ok) */
3215         if (win->floatmaxed)
3216                 return;
3217
3218         win->manual = 1;
3219         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3220             _NET_WM_STATE_ADD);
3221         /* raise the window = move to last in window list */
3222         a.id = SWM_ARG_ID_MOVELAST;
3223         swapwin(r, &a);
3224         stack();
3225         if (focus_mode == SWM_FOCUS_DEFAULT)
3226                 drain_enter_notify();
3227
3228         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3229             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3230                 return;
3231
3232         /* place pointer at bottom left corner or nearest point inside r */
3233         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3234                 relx = win->g.w - 1;
3235         else
3236                 relx = r->g.x + r->g.w - win->g.x - 1;
3237
3238         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3239                 rely = win->g.h - 1;
3240         else
3241                 rely = r->g.y + r->g.h - win->g.y - 1;
3242
3243         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3244         do {
3245                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3246                     SubstructureRedirectMask, &ev);
3247                 switch(ev.type) {
3248                 case ConfigureRequest:
3249                 case Expose:
3250                 case MapRequest:
3251                         handler[ev.type](&ev);
3252                         break;
3253                 case MotionNotify:
3254                         /* do not allow resize outside of region */
3255                         if (    ev.xmotion.x_root < r->g.x ||
3256                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3257                                 ev.xmotion.y_root < r->g.y ||
3258                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3259                                 continue;
3260
3261                         if (ev.xmotion.x <= 1)
3262                                 ev.xmotion.x = 1;
3263                         if (ev.xmotion.y <= 1)
3264                                 ev.xmotion.y = 1;
3265                         win->g.w = ev.xmotion.x + 1;
3266                         win->g.h = ev.xmotion.y + 1;
3267
3268                         /* not free, don't sync more than 120 times / second */
3269                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3270                                 time = ev.xmotion.time;
3271                                 XSync(display, False);
3272                                 resize_window(win, args->id);
3273                         }
3274                         break;
3275                 }
3276         } while (ev.type != ButtonRelease);
3277         if (time) {
3278                 XSync(display, False);
3279                 resize_window(win, args->id);
3280         }
3281         store_float_geom(win,r);
3282
3283         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3284             win->g.h - 1);
3285         XUngrabPointer(display, CurrentTime);
3286
3287         /* drain events */
3288         drain_enter_notify();
3289 }
3290
3291 void
3292 move_window(struct ws_win *win)
3293 {
3294         unsigned int            mask;
3295         XWindowChanges          wc;
3296         struct swm_region       *r;
3297
3298         r = root_to_region(win->wa.root);
3299         bzero(&wc, sizeof wc);
3300         mask = CWX | CWY;
3301         wc.x = win->g.x;
3302         wc.y = win->g.y;
3303         wc.border_width = border_width;
3304
3305         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3306             win->id, wc.x, wc.y, wc.width, wc.height);
3307
3308         XConfigureWindow(display, win->id, mask, &wc);
3309 }
3310
3311 void
3312 move(struct ws_win *win, union arg *args)
3313 {
3314         XEvent                  ev;
3315         Time                    time = 0;
3316         struct swm_region       *r = win->ws->r;
3317         union arg               a;
3318
3319         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3320             win->id, win->floating, win->transient);
3321
3322         /* in max_stack mode should only move transients */
3323         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3324                 return;
3325
3326         win->manual = 1;
3327         if (win->floating == 0 && !win->transient) {
3328                 win->floating = 1;
3329                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3330                     _NET_WM_STATE_ADD);
3331         }
3332         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3333             _NET_WM_STATE_ADD);
3334
3335         /* raise the window = move to last in window list */
3336         a.id = SWM_ARG_ID_MOVELAST;
3337         swapwin(r, &a);
3338         stack();
3339
3340         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3341             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3342                 return;
3343         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3344         do {
3345                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3346                     SubstructureRedirectMask, &ev);
3347                 switch(ev.type) {
3348                 case ConfigureRequest:
3349                 case Expose:
3350                 case MapRequest:
3351                         handler[ev.type](&ev);
3352                         break;
3353                 case MotionNotify:
3354                         /* don't allow to move window origin out of region */
3355                         if (    ev.xmotion.x_root < r->g.x ||
3356                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3357                                 ev.xmotion.y_root < r->g.y ||
3358                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3359                                 continue;
3360
3361                         win->g.x = ev.xmotion.x_root - border_width;
3362                         win->g.y = ev.xmotion.y_root - border_width;
3363
3364                         /* not free, don't sync more than 120 times / second */
3365                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3366                                 time = ev.xmotion.time;
3367                                 XSync(display, False);
3368                                 move_window(win);
3369                         }
3370                         break;
3371                 }
3372         } while (ev.type != ButtonRelease);
3373         if (time) {
3374                 XSync(display, False);
3375                 move_window(win);
3376         }
3377         store_float_geom(win,r);
3378         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3379         XUngrabPointer(display, CurrentTime);
3380
3381         /* drain events */
3382         drain_enter_notify();
3383 }
3384
3385 /* user/key callable function IDs */
3386 enum keyfuncid {
3387         kf_cycle_layout,
3388         kf_stack_reset,
3389         kf_master_shrink,
3390         kf_master_grow,
3391         kf_master_add,
3392         kf_master_del,
3393         kf_stack_inc,
3394         kf_stack_dec,
3395         kf_swap_main,
3396         kf_focus_next,
3397         kf_focus_prev,
3398         kf_swap_next,
3399         kf_swap_prev,
3400         kf_spawn_term,
3401         kf_spawn_menu,
3402         kf_quit,
3403         kf_restart,
3404         kf_focus_main,
3405         kf_ws_1,
3406         kf_ws_2,
3407         kf_ws_3,
3408         kf_ws_4,
3409         kf_ws_5,
3410         kf_ws_6,
3411         kf_ws_7,
3412         kf_ws_8,
3413         kf_ws_9,
3414         kf_ws_10,
3415         kf_ws_next,
3416         kf_ws_prev,
3417         kf_ws_prior,
3418         kf_screen_next,
3419         kf_screen_prev,
3420         kf_mvws_1,
3421         kf_mvws_2,
3422         kf_mvws_3,
3423         kf_mvws_4,
3424         kf_mvws_5,
3425         kf_mvws_6,
3426         kf_mvws_7,
3427         kf_mvws_8,
3428         kf_mvws_9,
3429         kf_mvws_10,
3430         kf_bar_toggle,
3431         kf_wind_kill,
3432         kf_wind_del,
3433         kf_screenshot_all,
3434         kf_screenshot_wind,
3435         kf_float_toggle,
3436         kf_version,
3437         kf_spawn_lock,
3438         kf_spawn_initscr,
3439         kf_spawn_custom,
3440         kf_iconify,
3441         kf_uniconify,
3442         kf_dumpwins, /* MUST BE LAST */
3443         kf_invalid
3444 };
3445
3446 /* key definitions */
3447 void
3448 dummykeyfunc(struct swm_region *r, union arg *args)
3449 {
3450 };
3451
3452 void
3453 legacyfunc(struct swm_region *r, union arg *args)
3454 {
3455 };
3456
3457 struct keyfunc {
3458         char                    name[SWM_FUNCNAME_LEN];
3459         void                    (*func)(struct swm_region *r, union arg *);
3460         union arg               args;
3461 } keyfuncs[kf_invalid + 1] = {
3462         /* name                 function        argument */
3463         { "cycle_layout",       cycle_layout,   {0} },
3464         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3465         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3466         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3467         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3468         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3469         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3470         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3471         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3472         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3473         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3474         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3475         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3476         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3477         { "spawn_menu",         legacyfunc,     {0} },
3478         { "quit",               quit,           {0} },
3479         { "restart",            restart,        {0} },
3480         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3481         { "ws_1",               switchws,       {.id = 0} },
3482         { "ws_2",               switchws,       {.id = 1} },
3483         { "ws_3",               switchws,       {.id = 2} },
3484         { "ws_4",               switchws,       {.id = 3} },
3485         { "ws_5",               switchws,       {.id = 4} },
3486         { "ws_6",               switchws,       {.id = 5} },
3487         { "ws_7",               switchws,       {.id = 6} },
3488         { "ws_8",               switchws,       {.id = 7} },
3489         { "ws_9",               switchws,       {.id = 8} },
3490         { "ws_10",              switchws,       {.id = 9} },
3491         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3492         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3493         { "ws_prior",           priorws,        {0} },
3494         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3495         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3496         { "mvws_1",             send_to_ws,     {.id = 0} },
3497         { "mvws_2",             send_to_ws,     {.id = 1} },
3498         { "mvws_3",             send_to_ws,     {.id = 2} },
3499         { "mvws_4",             send_to_ws,     {.id = 3} },
3500         { "mvws_5",             send_to_ws,     {.id = 4} },
3501         { "mvws_6",             send_to_ws,     {.id = 5} },
3502         { "mvws_7",             send_to_ws,     {.id = 6} },
3503         { "mvws_8",             send_to_ws,     {.id = 7} },
3504         { "mvws_9",             send_to_ws,     {.id = 8} },
3505         { "mvws_10",            send_to_ws,     {.id = 9} },
3506         { "bar_toggle",         bar_toggle,     {0} },
3507         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3508         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3509         { "screenshot_all",     legacyfunc,     {0} },
3510         { "screenshot_wind",    legacyfunc,     {0} },
3511         { "float_toggle",       floating_toggle,{0} },
3512         { "version",            version,        {0} },
3513         { "spawn_lock",         legacyfunc,     {0} },
3514         { "spawn_initscr",      legacyfunc,     {0} },
3515         { "spawn_custom",       dummykeyfunc,   {0} },
3516         { "iconify",            iconify,        {0} },
3517         { "uniconify",          uniconify,      {0} },
3518         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3519         { "invalid key func",   NULL,           {0} },
3520 };
3521 struct key {
3522         unsigned int            mod;
3523         KeySym                  keysym;
3524         enum keyfuncid          funcid;
3525         char                    *spawn_name;
3526 };
3527 int                             keys_size = 0, keys_length = 0;
3528 struct key                      *keys = NULL;
3529
3530 /* mouse */
3531 enum { client_click, root_click };
3532 struct button {
3533         unsigned int            action;
3534         unsigned int            mask;
3535         unsigned int            button;
3536         void                    (*func)(struct ws_win *, union arg *);
3537         union arg               args;
3538 } buttons[] = {
3539           /* action     key             mouse button    func    args */
3540         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3541         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3542         { client_click, MODKEY,         Button1,        move,   {0} },
3543 };
3544
3545 void
3546 update_modkey(unsigned int mod)
3547 {
3548         int                     i;
3549
3550         mod_key = mod;
3551         for (i = 0; i < keys_length; i++)
3552                 if (keys[i].mod & ShiftMask)
3553                         keys[i].mod = mod | ShiftMask;
3554                 else
3555                         keys[i].mod = mod;
3556
3557         for (i = 0; i < LENGTH(buttons); i++)
3558                 if (buttons[i].mask & ShiftMask)
3559                         buttons[i].mask = mod | ShiftMask;
3560                 else
3561                         buttons[i].mask = mod;
3562 }
3563
3564 /* spawn */
3565 struct spawn_prog {
3566         char                    *name;
3567         int                     argc;
3568         char                    **argv;
3569 };
3570
3571 int                             spawns_size = 0, spawns_length = 0;
3572 struct spawn_prog               *spawns = NULL;
3573
3574 int
3575 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3576     char ***ret_args)
3577 {
3578         struct spawn_prog       *prog = NULL;
3579         int                     i;
3580         char                    *ap, **real_args;
3581
3582         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3583
3584         /* find program */
3585         for (i = 0; i < spawns_length; i++) {
3586                 if (!strcasecmp(spawn_name, spawns[i].name))
3587                         prog = &spawns[i];
3588         }
3589         if (prog == NULL) {
3590                 fprintf(stderr, "spawn_custom: program %s not found\n",
3591                     spawn_name);
3592                 return (-1);
3593         }
3594
3595         /* make room for expanded args */
3596         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3597                 err(1, "spawn_custom: calloc real_args");
3598
3599         /* expand spawn_args into real_args */
3600         for (i = 0; i < prog->argc; i++) {
3601                 ap = prog->argv[i];
3602                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3603                 if (!strcasecmp(ap, "$bar_border")) {
3604                         if ((real_args[i] =
3605                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3606                             == NULL)
3607                                 err(1,  "spawn_custom border color");
3608                 } else if (!strcasecmp(ap, "$bar_color")) {
3609                         if ((real_args[i] =
3610                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3611                             == NULL)
3612                                 err(1, "spawn_custom bar color");
3613                 } else if (!strcasecmp(ap, "$bar_font")) {
3614                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3615                             == NULL)
3616                                 err(1, "spawn_custom bar fonts");
3617                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3618                         if ((real_args[i] =
3619                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3620                             == NULL)
3621                                 err(1, "spawn_custom color font");
3622                 } else if (!strcasecmp(ap, "$color_focus")) {
3623                         if ((real_args[i] =
3624                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3625                             == NULL)
3626                                 err(1, "spawn_custom color focus");
3627                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3628                         if ((real_args[i] =
3629                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3630                             == NULL)
3631                                 err(1, "spawn_custom color unfocus");
3632                 } else {
3633                         /* no match --> copy as is */
3634                         if ((real_args[i] = strdup(ap)) == NULL)
3635                                 err(1, "spawn_custom strdup(ap)");
3636                 }
3637                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3638                     real_args[i]);
3639         }
3640
3641 #ifdef SWM_DEBUG
3642         if ((swm_debug & SWM_D_SPAWN) != 0) {
3643                 fprintf(stderr, "spawn_custom: result = ");
3644                 for (i = 0; i < prog->argc; i++)
3645                         fprintf(stderr, "\"%s\" ", real_args[i]);
3646                 fprintf(stderr, "\n");
3647         }
3648 #endif
3649         *ret_args = real_args;
3650         return (prog->argc);
3651 }
3652
3653 void
3654 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3655 {
3656         union arg               a;
3657         char                    **real_args;
3658         int                     spawn_argc, i;
3659
3660         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3661                 return;
3662         a.argv = real_args;
3663         if (fork() == 0)
3664                 spawn(r, &a, 1);
3665
3666         for (i = 0; i < spawn_argc; i++)
3667                 free(real_args[i]);
3668         free(real_args);
3669 }
3670
3671 void
3672 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3673 {
3674         union arg               a;
3675         char                    **real_args;
3676         int                     i, spawn_argc;
3677
3678         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3679                 return;
3680         a.argv = real_args;
3681
3682         if (pipe(select_list_pipe) == -1)
3683                 err(1, "pipe error");
3684         if (pipe(select_resp_pipe) == -1)
3685                 err(1, "pipe error");
3686
3687         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3688                 err(1, "could not disable SIGPIPE");
3689         switch (*pid = fork()) {
3690         case -1:
3691                 err(1, "cannot fork");
3692                 break;
3693         case 0: /* child */
3694                 if (dup2(select_list_pipe[0], 0) == -1)
3695                         errx(1, "dup2");
3696                 if (dup2(select_resp_pipe[1], 1) == -1)
3697                         errx(1, "dup2");
3698                 close(select_list_pipe[1]);
3699                 close(select_resp_pipe[0]);
3700                 spawn(r, &a, 0);
3701                 break;
3702         default: /* parent */
3703                 close(select_list_pipe[0]);
3704                 close(select_resp_pipe[1]);
3705                 break;
3706         }
3707
3708         for (i = 0; i < spawn_argc; i++)
3709                 free(real_args[i]);
3710         free(real_args);
3711 }
3712
3713 void
3714 setspawn(struct spawn_prog *prog)
3715 {
3716         int                     i, j;
3717
3718         if (prog == NULL || prog->name == NULL)
3719                 return;
3720
3721         /* find existing */
3722         for (i = 0; i < spawns_length; i++) {
3723                 if (!strcmp(spawns[i].name, prog->name)) {
3724                         /* found */
3725                         if (prog->argv == NULL) {
3726                                 /* delete */
3727                                 DNPRINTF(SWM_D_SPAWN,
3728                                     "setspawn: delete #%d %s\n",
3729                                     i, spawns[i].name);
3730                                 free(spawns[i].name);
3731                                 for (j = 0; j < spawns[i].argc; j++)
3732                                         free(spawns[i].argv[j]);
3733                                 free(spawns[i].argv);
3734                                 j = spawns_length - 1;
3735                                 if (i < j)
3736                                         spawns[i] = spawns[j];
3737                                 spawns_length--;
3738                                 free(prog->name);
3739                         } else {
3740                                 /* replace */
3741                                 DNPRINTF(SWM_D_SPAWN,
3742                                     "setspawn: replace #%d %s\n",
3743                                     i, spawns[i].name);
3744                                 free(spawns[i].name);
3745                                 for (j = 0; j < spawns[i].argc; j++)
3746                                         free(spawns[i].argv[j]);
3747                                 free(spawns[i].argv);
3748                                 spawns[i] = *prog;
3749                         }
3750                         /* found case handled */
3751                         free(prog);
3752                         return;
3753                 }
3754         }
3755
3756         if (prog->argv == NULL) {
3757                 fprintf(stderr,
3758                     "error: setspawn: cannot find program %s", prog->name);
3759                 free(prog);
3760                 return;
3761         }
3762
3763         /* not found: add */
3764         if (spawns_size == 0 || spawns == NULL) {
3765                 spawns_size = 4;
3766                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3767                 spawns = malloc((size_t)spawns_size *
3768                     sizeof(struct spawn_prog));
3769                 if (spawns == NULL) {
3770                         fprintf(stderr, "setspawn: malloc failed\n");
3771                         perror(" failed");
3772                         quit(NULL, NULL);
3773                 }
3774         } else if (spawns_length == spawns_size) {
3775                 spawns_size *= 2;
3776                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3777                 spawns = realloc(spawns, (size_t)spawns_size *
3778                     sizeof(struct spawn_prog));
3779                 if (spawns == NULL) {
3780                         fprintf(stderr, "setspawn: realloc failed\n");
3781                         perror(" failed");
3782                         quit(NULL, NULL);
3783                 }
3784         }
3785
3786         if (spawns_length < spawns_size) {
3787                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3788                     spawns_length, prog->name);
3789                 i = spawns_length++;
3790                 spawns[i] = *prog;
3791         } else {
3792                 fprintf(stderr, "spawns array problem?\n");
3793                 if (spawns == NULL) {
3794                         fprintf(stderr, "spawns array is NULL!\n");
3795                         quit(NULL, NULL);
3796                 }
3797         }
3798         free(prog);
3799 }
3800
3801 int
3802 setconfspawn(char *selector, char *value, int flags)
3803 {
3804         struct spawn_prog       *prog;
3805         char                    *vp, *cp, *word;
3806
3807         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3808         if ((prog = calloc(1, sizeof *prog)) == NULL)
3809                 err(1, "setconfspawn: calloc prog");
3810         prog->name = strdup(selector);
3811         if (prog->name == NULL)
3812                 err(1, "setconfspawn prog->name");
3813         if ((cp = vp = strdup(value)) == NULL)
3814                 err(1, "setconfspawn: strdup(value) ");
3815         while ((word = strsep(&cp, " \t")) != NULL) {
3816                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3817                 if (cp)
3818                         cp += (long)strspn(cp, " \t");
3819                 if (strlen(word) > 0) {
3820                         prog->argc++;
3821                         prog->argv = realloc(prog->argv,
3822                             prog->argc * sizeof(char *));
3823                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3824                                 err(1, "setconfspawn: strdup");
3825                 }
3826         }
3827         free(vp);
3828
3829         setspawn(prog);
3830
3831         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3832         return (0);
3833 }
3834
3835 void
3836 setup_spawn(void)
3837 {
3838         setconfspawn("term",            "xterm",                0);
3839         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3840         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3841         setconfspawn("lock",            "xlock",                0);
3842         setconfspawn("initscr",         "initscreen.sh",        0);
3843         setconfspawn("menu",            "dmenu_run"
3844                                         " -fn $bar_font"
3845                                         " -nb $bar_color"
3846                                         " -nf $bar_font_color"
3847                                         " -sb $bar_border"
3848                                         " -sf $bar_color",      0);
3849         setconfspawn("uniconify",       "dmenu"
3850                                         " -i"
3851                                         " -fn $bar_font"
3852                                         " -nb $bar_color"
3853                                         " -nf $bar_font_color"
3854                                         " -sb $bar_border"
3855                                         " -sf $bar_color",      0);
3856 }
3857
3858 /* key bindings */
3859 #define SWM_MODNAME_SIZE        32
3860 #define SWM_KEY_WS              "\n+ \t"
3861 int
3862 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3863 {
3864         char                    *cp, *name;
3865         KeySym                  uks;
3866         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3867         if (mod == NULL || ks == NULL) {
3868                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3869                 return (1);
3870         }
3871         if (keystr == NULL || strlen(keystr) == 0) {
3872                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3873                 return (1);
3874         }
3875         cp = keystr;
3876         *ks = NoSymbol;
3877         *mod = 0;
3878         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3879                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3880                 if (cp)
3881                         cp += (long)strspn(cp, SWM_KEY_WS);
3882                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3883                         *mod |= currmod;
3884                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3885                         *mod |= Mod1Mask;
3886                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3887                         *mod += Mod2Mask;
3888                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3889                         *mod |= Mod3Mask;
3890                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3891                         *mod |= Mod4Mask;
3892                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3893                         *mod |= ShiftMask;
3894                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3895                         *mod |= ControlMask;
3896                 else {
3897                         *ks = XStringToKeysym(name);
3898                         XConvertCase(*ks, ks, &uks);
3899                         if (ks == NoSymbol) {
3900                                 DNPRINTF(SWM_D_KEY,
3901                                     "parsekeys: invalid key %s\n",
3902                                     name);
3903                                 return (1);
3904                         }
3905                 }
3906         }
3907         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3908         return (0);
3909 }
3910
3911 char *
3912 strdupsafe(char *str)
3913 {
3914         if (str == NULL)
3915                 return (NULL);
3916         else
3917                 return (strdup(str));
3918 }
3919
3920 void
3921 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
3922 {
3923         int                     i, j;
3924         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3925             keyfuncs[kfid].name, spawn_name);
3926         /* find existing */
3927         for (i = 0; i < keys_length; i++) {
3928                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3929                         if (kfid == kf_invalid) {
3930                                 /* found: delete */
3931                                 DNPRINTF(SWM_D_KEY,
3932                                     "setkeybinding: delete #%d %s\n",
3933                                     i, keyfuncs[keys[i].funcid].name);
3934                                 free(keys[i].spawn_name);
3935                                 j = keys_length - 1;
3936                                 if (i < j)
3937                                         keys[i] = keys[j];
3938                                 keys_length--;
3939                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3940                                 return;
3941                         } else {
3942                                 /* found: replace */
3943                                 DNPRINTF(SWM_D_KEY,
3944                                     "setkeybinding: replace #%d %s %s\n",
3945                                     i, keyfuncs[keys[i].funcid].name,
3946                                     spawn_name);
3947                                 free(keys[i].spawn_name);
3948                                 keys[i].mod = mod;
3949                                 keys[i].keysym = ks;
3950                                 keys[i].funcid = kfid;
3951                                 keys[i].spawn_name = strdupsafe(spawn_name);
3952                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3953                                 return;
3954                         }
3955                 }
3956         }
3957         if (kfid == kf_invalid) {
3958                 fprintf(stderr,
3959                     "error: setkeybinding: cannot find mod/key combination");
3960                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3961                 return;
3962         }
3963         /* not found: add */
3964         if (keys_size == 0 || keys == NULL) {
3965                 keys_size = 4;
3966                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
3967                 keys = malloc((size_t)keys_size * sizeof(struct key));
3968                 if (!keys) {
3969                         fprintf(stderr, "malloc failed\n");
3970                         perror(" failed");
3971                         quit(NULL, NULL);
3972                 }
3973         } else if (keys_length == keys_size) {
3974                 keys_size *= 2;
3975                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
3976                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
3977                 if (!keys) {
3978                         fprintf(stderr, "realloc failed\n");
3979                         perror(" failed");
3980                         quit(NULL, NULL);
3981                 }
3982         }
3983         if (keys_length < keys_size) {
3984                 j = keys_length++;
3985                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
3986                     j, keyfuncs[kfid].name, spawn_name);
3987                 keys[j].mod = mod;
3988                 keys[j].keysym = ks;
3989                 keys[j].funcid = kfid;
3990                 keys[j].spawn_name = strdupsafe(spawn_name);
3991         } else {
3992                 fprintf(stderr, "keys array problem?\n");
3993                 if (!keys) {
3994                         fprintf(stderr, "keys array problem\n");
3995                         quit(NULL, NULL);
3996                 }
3997         }
3998         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3999 }
4000
4001 int
4002 setconfbinding(char *selector, char *value, int flags)
4003 {
4004         enum keyfuncid          kfid;
4005         unsigned int            mod;
4006         KeySym                  ks;
4007         int                     i;
4008         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4009         if (selector == NULL) {
4010                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4011                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4012                         kfid = kf_invalid;
4013                         setkeybinding(mod, ks, kfid, NULL);
4014                         return (0);
4015                 } else
4016                         return (1);
4017         }
4018         /* search by key function name */
4019         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4020                 if (strncasecmp(selector, keyfuncs[kfid].name,
4021                     SWM_FUNCNAME_LEN) == 0) {
4022                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4023                             selector);
4024                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4025                                 setkeybinding(mod, ks, kfid, NULL);
4026                                 return (0);
4027                         } else
4028                                 return (1);
4029                 }
4030         }
4031         /* search by custom spawn name */
4032         for (i = 0; i < spawns_length; i++) {
4033                 if (strcasecmp(selector, spawns[i].name) == 0) {
4034                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4035                             selector);
4036                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4037                                 setkeybinding(mod, ks, kf_spawn_custom,
4038                                     spawns[i].name);
4039                                 return (0);
4040                         } else
4041                                 return (1);
4042                 }
4043         }
4044         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4045         return (1);
4046 }
4047
4048 void
4049 setup_keys(void)
4050 {
4051         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4052         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4053         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4054         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4055         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4056         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4057         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4058         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4059         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4060         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4061         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4062         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4063         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4064         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4065         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4066         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4067         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4068         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4069         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4070         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4071         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4072         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4073         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4074         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4075         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4076         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4077         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4078         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4079         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4080         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4081         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4082         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4083         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4084         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4085         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4086         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4087         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4088         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4089         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4090         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4091         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4092         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4093         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4094         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4095         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4096         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4097         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4098         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4099         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4100         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4101         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4102         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4103         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4104         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4105         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4106         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4107 #ifdef SWM_DEBUG
4108         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4109 #endif
4110 }
4111
4112 void
4113 updatenumlockmask(void)
4114 {
4115         unsigned int            i, j;
4116         XModifierKeymap         *modmap;
4117
4118         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4119         numlockmask = 0;
4120         modmap = XGetModifierMapping(display);
4121         for (i = 0; i < 8; i++)
4122                 for (j = 0; j < modmap->max_keypermod; j++)
4123                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4124                           == XKeysymToKeycode(display, XK_Num_Lock))
4125                                 numlockmask = (1 << i);
4126
4127         XFreeModifiermap(modmap);
4128 }
4129
4130 void
4131 grabkeys(void)
4132 {
4133         unsigned int            i, j, k;
4134         KeyCode                 code;
4135         unsigned int            modifiers[] =
4136             { 0, LockMask, numlockmask, numlockmask | LockMask };
4137
4138         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4139         updatenumlockmask();
4140
4141         for (k = 0; k < ScreenCount(display); k++) {
4142                 if (TAILQ_EMPTY(&screens[k].rl))
4143                         continue;
4144                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4145                 for (i = 0; i < keys_length; i++) {
4146                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4147                                 for (j = 0; j < LENGTH(modifiers); j++)
4148                                         XGrabKey(display, code,
4149                                             keys[i].mod | modifiers[j],
4150                                             screens[k].root, True,
4151                                             GrabModeAsync, GrabModeAsync);
4152                 }
4153         }
4154 }
4155
4156 void
4157 grabbuttons(struct ws_win *win, int focused)
4158 {
4159         unsigned int            i, j;
4160         unsigned int            modifiers[] =
4161             { 0, LockMask, numlockmask, numlockmask|LockMask };
4162
4163         updatenumlockmask();
4164         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4165         if (focused) {
4166                 for (i = 0; i < LENGTH(buttons); i++)
4167                         if (buttons[i].action == client_click)
4168                                 for (j = 0; j < LENGTH(modifiers); j++)
4169                                         XGrabButton(display, buttons[i].button,
4170                                             buttons[i].mask | modifiers[j],
4171                                             win->id, False, BUTTONMASK,
4172                                             GrabModeAsync, GrabModeSync, None,
4173                                             None);
4174         } else
4175                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4176                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4177 }
4178
4179 const char *quirkname[] = {
4180         "NONE",         /* config string for "no value" */
4181         "FLOAT",
4182         "TRANSSZ",
4183         "ANYWHERE",
4184         "XTERM_FONTADJ",
4185         "FULLSCREEN",
4186 };
4187
4188 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4189 #define SWM_Q_WS                "\n|+ \t"
4190 int
4191 parsequirks(char *qstr, unsigned long *quirk)
4192 {
4193         char                    *cp, *name;
4194         int                     i;
4195
4196         if (quirk == NULL)
4197                 return (1);
4198
4199         cp = qstr;
4200         *quirk = 0;
4201         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4202                 if (cp)
4203                         cp += (long)strspn(cp, SWM_Q_WS);
4204                 for (i = 0; i < LENGTH(quirkname); i++) {
4205                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4206                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
4207                                 if (i == 0) {
4208                                         *quirk = 0;
4209                                         return (0);
4210                                 }
4211                                 *quirk |= 1 << (i-1);
4212                                 break;
4213                         }
4214                 }
4215                 if (i >= LENGTH(quirkname)) {
4216                         DNPRINTF(SWM_D_QUIRK,
4217                             "parsequirks: invalid quirk [%s]\n", name);
4218                         return (1);
4219                 }
4220         }
4221         return (0);
4222 }
4223
4224 void
4225 setquirk(const char *class, const char *name, const int quirk)
4226 {
4227         int                     i, j;
4228
4229         /* find existing */
4230         for (i = 0; i < quirks_length; i++) {
4231                 if (!strcmp(quirks[i].class, class) &&
4232                     !strcmp(quirks[i].name, name)) {
4233                         if (!quirk) {
4234                                 /* found: delete */
4235                                 DNPRINTF(SWM_D_QUIRK,
4236                                     "setquirk: delete #%d %s:%s\n",
4237                                     i, quirks[i].class, quirks[i].name);
4238                                 free(quirks[i].class);
4239                                 free(quirks[i].name);
4240                                 j = quirks_length - 1;
4241                                 if (i < j)
4242                                         quirks[i] = quirks[j];
4243                                 quirks_length--;
4244                                 return;
4245                         } else {
4246                                 /* found: replace */
4247                                 DNPRINTF(SWM_D_QUIRK,
4248                                     "setquirk: replace #%d %s:%s\n",
4249                                     i, quirks[i].class, quirks[i].name);
4250                                 free(quirks[i].class);
4251                                 free(quirks[i].name);
4252                                 quirks[i].class = strdup(class);
4253                                 quirks[i].name = strdup(name);
4254                                 quirks[i].quirk = quirk;
4255                                 return;
4256                         }
4257                 }
4258         }
4259         if (!quirk) {
4260                 fprintf(stderr,
4261                     "error: setquirk: cannot find class/name combination");
4262                 return;
4263         }
4264         /* not found: add */
4265         if (quirks_size == 0 || quirks == NULL) {
4266                 quirks_size = 4;
4267                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4268                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4269                 if (!quirks) {
4270                         fprintf(stderr, "setquirk: malloc failed\n");
4271                         perror(" failed");
4272                         quit(NULL, NULL);
4273                 }
4274         } else if (quirks_length == quirks_size) {
4275                 quirks_size *= 2;
4276                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4277                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
4278                 if (!quirks) {
4279                         fprintf(stderr, "setquirk: realloc failed\n");
4280                         perror(" failed");
4281                         quit(NULL, NULL);
4282                 }
4283         }
4284         if (quirks_length < quirks_size) {
4285                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4286                 j = quirks_length++;
4287                 quirks[j].class = strdup(class);
4288                 quirks[j].name = strdup(name);
4289                 quirks[j].quirk = quirk;
4290         } else {
4291                 fprintf(stderr, "quirks array problem?\n");
4292                 if (!quirks) {
4293                         fprintf(stderr, "quirks array problem!\n");
4294                         quit(NULL, NULL);
4295                 }
4296         }
4297 }
4298
4299 int
4300 setconfquirk(char *selector, char *value, int flags)
4301 {
4302         char                    *cp, *class, *name;
4303         int                     retval;
4304         unsigned long           quirks;
4305         if (selector == NULL)
4306                 return (0);
4307         if ((cp = strchr(selector, ':')) == NULL)
4308                 return (0);
4309         *cp = '\0';
4310         class = selector;
4311         name = cp + 1;
4312         if ((retval = parsequirks(value, &quirks)) == 0)
4313                 setquirk(class, name, quirks);
4314         return (retval);
4315 }
4316
4317 void
4318 setup_quirks(void)
4319 {
4320         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4321         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4322         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4323         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4324         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4325         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4326         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4327         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4328         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4329         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4330         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4331         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4332         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4333 }
4334
4335 /* conf file stuff */
4336 #define SWM_CONF_FILE   "scrotwm.conf"
4337
4338 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH, SWM_S_STACK_ENABLED,
4339           SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT, SWM_S_CYCLE_EMPTY,
4340           SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH,
4341           SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
4342           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH, SWM_S_BAR_FONT,
4343           SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO,
4344           SWM_S_BAR_AT_BOTTOM
4345         };
4346
4347 int
4348 setconfvalue(char *selector, char *value, int flags)
4349 {
4350         switch (flags) {
4351         case SWM_S_BAR_DELAY:
4352                 bar_delay = atoi(value);
4353                 break;
4354         case SWM_S_BAR_ENABLED:
4355                 bar_enabled = atoi(value);
4356                 break;
4357         case SWM_S_BAR_BORDER_WIDTH:
4358                 bar_border_width = atoi(value);
4359                 break;
4360         case SWM_S_BAR_AT_BOTTOM:
4361                 bar_at_bottom = atoi(value);
4362                 break;
4363         case SWM_S_STACK_ENABLED:
4364                 stack_enabled = atoi(value);
4365                 break;
4366         case SWM_S_CLOCK_ENABLED:
4367                 clock_enabled = atoi(value);
4368                 break;
4369         case SWM_S_CLOCK_FORMAT:
4370 #ifndef SWM_DENY_CLOCK_FORMAT
4371                 free(clock_format);
4372                 if ((clock_format = strdup(value)) == NULL)
4373                         err(1, "setconfvalue: clock_format");
4374 #endif
4375                 break;
4376         case SWM_S_CYCLE_EMPTY:
4377                 cycle_empty = atoi(value);
4378                 break;
4379         case SWM_S_CYCLE_VISIBLE:
4380                 cycle_visible = atoi(value);
4381                 break;
4382         case SWM_S_SS_ENABLED:
4383                 ss_enabled = atoi(value);
4384                 break;
4385         case SWM_S_TERM_WIDTH:
4386                 term_width = atoi(value);
4387                 break;
4388         case SWM_S_TITLE_CLASS_ENABLED:
4389                 title_class_enabled = atoi(value);
4390                 break;
4391         case SWM_S_WINDOW_NAME_ENABLED:
4392                 window_name_enabled = atoi(value);
4393                 break;
4394         case SWM_S_TITLE_NAME_ENABLED:
4395                 title_name_enabled = atoi(value);
4396                 break;
4397         case SWM_S_FOCUS_MODE:
4398                 if (!strcmp(value, "default"))
4399                         focus_mode = SWM_FOCUS_DEFAULT;
4400                 else if (!strcmp(value, "follow_cursor"))
4401                         focus_mode = SWM_FOCUS_FOLLOW;
4402                 else if (!strcmp(value, "synergy"))
4403                         focus_mode = SWM_FOCUS_SYNERGY;
4404                 else
4405                         err(1, "focus_mode");
4406                 break;
4407         case SWM_S_DISABLE_BORDER:
4408                 disable_border = atoi(value);
4409                 break;
4410         case SWM_S_BORDER_WIDTH:
4411                 border_width = atoi(value);
4412                 break;
4413         case SWM_S_BAR_FONT:
4414                 free(bar_fonts[0]);
4415                 if ((bar_fonts[0] = strdup(value)) == NULL)
4416                         err(1, "setconfvalue: bar_font");
4417                 break;
4418         case SWM_S_BAR_ACTION:
4419                 free(bar_argv[0]);
4420                 if ((bar_argv[0] = strdup(value)) == NULL)
4421                         err(1, "setconfvalue: bar_action");
4422                 break;
4423         case SWM_S_SPAWN_TERM:
4424                 free(spawn_term[0]);
4425                 if ((spawn_term[0] = strdup(value)) == NULL)
4426                         err(1, "setconfvalue: spawn_term");
4427                 break;
4428         case SWM_S_SS_APP:
4429                 break;
4430         case SWM_S_DIALOG_RATIO:
4431                 dialog_ratio = atof(value);
4432                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4433                         dialog_ratio = .6;
4434                 break;
4435         default:
4436                 return (1);
4437         }
4438         return (0);
4439 }
4440
4441 int
4442 setconfmodkey(char *selector, char *value, int flags)
4443 {
4444         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4445                 update_modkey(Mod1Mask);
4446         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4447                 update_modkey(Mod2Mask);
4448         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4449                 update_modkey(Mod3Mask);
4450         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4451                 update_modkey(Mod4Mask);
4452         else
4453                 return (1);
4454         return (0);
4455 }
4456
4457 int
4458 setconfcolor(char *selector, char *value, int flags)
4459 {
4460         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4461         return (0);
4462 }
4463
4464 int
4465 setconfregion(char *selector, char *value, int flags)
4466 {
4467         custom_region(value);
4468         return (0);
4469 }
4470
4471 /* config options */
4472 struct config_option {
4473         char                    *optname;
4474         int (*func)(char*, char*, int);
4475         int funcflags;
4476 };
4477 struct config_option configopt[] = {
4478         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4479         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4480         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4481         { "bar_border_width",                   setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4482         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4483         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4484         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4485         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4486         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4487         { "bind",                       setconfbinding, 0 },
4488         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4489         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4490         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4491         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4492         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4493         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4494         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4495         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4496         { "modkey",                     setconfmodkey,  0 },
4497         { "program",                    setconfspawn,   0 },
4498         { "quirk",                      setconfquirk,   0 },
4499         { "region",                     setconfregion,  0 },
4500         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4501         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4502         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4503         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4504         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4505         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4506         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4507         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4508         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4509         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4510 };
4511
4512
4513 int
4514 conf_load(char *filename)
4515 {
4516         FILE                    *config;
4517         char                    *line, *cp, *optsub, *optval;
4518         size_t                  linelen, lineno = 0;
4519         int                     wordlen, i, optind;
4520         struct config_option    *opt;
4521
4522         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4523
4524         if (filename == NULL) {
4525                 fprintf(stderr, "conf_load: no filename\n");
4526                 return (1);
4527         }
4528         if ((config = fopen(filename, "r")) == NULL) {
4529                 warn("conf_load: fopen");
4530                 return (1);
4531         }
4532
4533         while (!feof(config)) {
4534                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4535                     == NULL) {
4536                         if (ferror(config))
4537                                 err(1, "%s", filename);
4538                         else
4539                                 continue;
4540                 }
4541                 cp = line;
4542                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4543                 if (cp[0] == '\0') {
4544                         /* empty line */
4545                         free(line);
4546                         continue;
4547                 }
4548                 /* get config option */
4549                 wordlen = strcspn(cp, "=[ \t\n");
4550                 if (wordlen == 0) {
4551                         warnx("%s: line %zd: no option found",
4552                             filename, lineno);
4553                         return (1);
4554                 }
4555                 optind = -1;
4556                 for (i = 0; i < LENGTH(configopt); i++) {
4557                         opt = &configopt[i];
4558                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4559                             strlen(opt->optname) == wordlen) {
4560                                 optind = i;
4561                                 break;
4562                         }
4563                 }
4564                 if (optind == -1) {
4565                         warnx("%s: line %zd: unknown option %.*s",
4566                             filename, lineno, wordlen, cp);
4567                         return (1);
4568                 }
4569                 cp += wordlen;
4570                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4571                 /* get [selector] if any */
4572                 optsub = NULL;
4573                 if (*cp == '[') {
4574                         cp++;
4575                         wordlen = strcspn(cp, "]");
4576                         if (*cp != ']') {
4577                                 if (wordlen == 0) {
4578                                         warnx("%s: line %zd: syntax error",
4579                                             filename, lineno);
4580                                         return (1);
4581                                 }
4582                                 asprintf(&optsub, "%.*s", wordlen, cp);
4583                         }
4584                         cp += wordlen;
4585                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4586                 }
4587                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4588                 /* get RHS value */
4589                 optval = strdup(cp);
4590                 /* call function to deal with it all */
4591                 if (configopt[optind].func(optsub, optval,
4592                     configopt[optind].funcflags) != 0) {
4593                         fprintf(stderr, "%s line %zd: %s\n",
4594                             filename, lineno, line);
4595                         errx(1, "%s: line %zd: invalid data for %s",
4596                             filename, lineno, configopt[optind].optname);
4597                 }
4598                 free(optval);
4599                 free(optsub);
4600                 free(line);
4601         }
4602
4603         fclose(config);
4604         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4605
4606         return (0);
4607 }
4608
4609 void
4610 set_child_transient(struct ws_win *win, Window *trans)
4611 {
4612         struct ws_win           *parent, *w;
4613         XWMHints                *wmh = NULL;
4614         struct swm_region       *r;
4615         struct workspace        *ws;
4616
4617         parent = find_window(win->transient);
4618         if (parent)
4619                 parent->child_trans = win;
4620         else {
4621                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
4622                     " for %lu trans %lu\n", win->id, win->transient);
4623
4624                 if (win->hints == NULL) {
4625                         fprintf(stderr, "no hints for %lu\n", win->id);
4626                         return;
4627                 }
4628
4629                 r = root_to_region(win->wa.root);
4630                 ws = r->ws;
4631                 /* parent doen't exist in our window list */
4632                 TAILQ_FOREACH(w, &ws->winlist, entry) {
4633                         if (wmh)
4634                                 XFree(wmh);
4635
4636                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
4637                                 fprintf(stderr, "can't get hints for %lu\n",
4638                                     w->id);
4639                                 continue;
4640                         }
4641
4642                         if (win->hints->window_group != wmh->window_group)
4643                                 continue;
4644
4645                         w->child_trans = win;
4646                         win->transient = w->id;
4647                         *trans = w->id;
4648                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
4649                             "transient to %lu\n", win->transient);
4650                         break;
4651                 }
4652         }
4653
4654         if (wmh)
4655                 XFree(wmh);
4656 }
4657
4658 struct ws_win *
4659 manage_window(Window id)
4660 {
4661         Window                  trans = 0;
4662         struct workspace        *ws;
4663         struct ws_win           *win, *ww;
4664         int                     format, i, ws_idx, n, border_me = 0;
4665         unsigned long           nitems, bytes;
4666         Atom                    ws_idx_atom = 0, type;
4667         Atom                    *prot = NULL, *pp;
4668         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
4669         struct swm_region       *r;
4670         long                    mask;
4671         const char              *errstr;
4672         XWindowChanges          wc;
4673
4674         if ((win = find_window(id)) != NULL)
4675                 return (win);   /* already being managed */
4676
4677         /* see if we are on the unmanaged list */
4678         if ((win = find_unmanaged_window(id)) != NULL) {
4679                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
4680                     "%lu\n", win->id);
4681                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4682                 if (win->transient) {
4683                         set_child_transient(win, &trans);
4684                 } if (trans && (ww = find_window(trans)))
4685                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
4686                 else
4687                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
4688                 ewmh_update_actions(win);
4689                 return (win);
4690         }
4691
4692         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
4693                 errx(1, "calloc: failed to allocate memory for new window");
4694
4695         win->id = id;
4696
4697         /* Get all the window data in one shot */
4698         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4699         if (ws_idx_atom)
4700                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
4701                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
4702         XGetWindowAttributes(display, id, &win->wa);
4703         XGetWMNormalHints(display, id, &win->sh, &mask);
4704         win->hints = XGetWMHints(display, id);
4705         XGetTransientForHint(display, id, &trans);
4706         if (trans) {
4707                 win->transient = trans;
4708                 set_child_transient(win, &trans);
4709                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
4710                     win->id, win->transient);
4711         }
4712
4713         /* get supported protocols */
4714         if (XGetWMProtocols(display, id, &prot, &n)) {
4715                 for (i = 0, pp = prot; i < n; i++, pp++) {
4716                         if (*pp == takefocus)
4717                                 win->take_focus = 1;
4718                         if (*pp == adelete)
4719                                 win->can_delete = 1;
4720                 }
4721                 if (prot)
4722                         XFree(prot);
4723         }
4724
4725         win->iconic = get_iconic(win);
4726
4727         /*
4728          * Figure out where to put the window. If it was previously assigned to
4729          * a workspace (either by spawn() or manually moving), and isn't
4730          * transient, * put it in the same workspace
4731          */
4732         r = root_to_region(win->wa.root);
4733         if (prop && win->transient == 0) {
4734                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
4735                 ws_idx = strtonum(prop, 0, 9, &errstr);
4736                 if (errstr) {
4737                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
4738                             errstr, prop);
4739                 }
4740                 ws = &r->s->ws[ws_idx];
4741         } else {
4742                 ws = r->ws;
4743                 /* this should launch transients in the same ws as parent */
4744                 if (id && trans)
4745                         if ((ww = find_window(trans)) != NULL)
4746                                 if (ws->r) {
4747                                         ws = ww->ws;
4748                                         if (ww->ws->r)
4749                                                 r = ww->ws->r;
4750                                         else
4751                                                 fprintf(stderr,
4752                                                     "fix this bug mcbride\n");
4753                                         border_me = 1;
4754                                 }
4755         }
4756
4757         /* set up the window layout */
4758         win->id = id;
4759         win->ws = ws;
4760         win->s = r->s;  /* this never changes */
4761         if (trans && (ww = find_window(trans)))
4762                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
4763         else
4764                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
4765
4766         win->g.w = win->wa.width;
4767         win->g.h = win->wa.height;
4768         win->g.x = win->wa.x;
4769         win->g.y = win->wa.y;
4770         win->g_floatvalid = 0;
4771         win->floatmaxed = 0;
4772         win->ewmh_flags = 0;
4773
4774         /* Set window properties so we can remember this after reincarnation */
4775         if (ws_idx_atom && prop == NULL &&
4776             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
4777                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
4778                     ws_idx_str);
4779                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
4780                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
4781         }
4782         if (prop)
4783                 XFree(prop);
4784
4785         ewmh_autoquirk(win);
4786
4787         if (XGetClassHint(display, win->id, &win->ch)) {
4788                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
4789                     win->ch.res_class, win->ch.res_name);
4790
4791                 /* java is retarded so treat it special */
4792                 if (strstr(win->ch.res_name, "sun-awt")) {
4793                         win->java = 1;
4794                         border_me = 1;
4795                 }
4796
4797                 for (i = 0; i < quirks_length; i++){
4798                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
4799                             !strcmp(win->ch.res_name, quirks[i].name)) {
4800                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
4801                                     win->ch.res_class, win->ch.res_name);
4802                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
4803                                         win->floating = 1;
4804                                         border_me = 1;
4805                                 }
4806                                 win->quirks = quirks[i].quirk;
4807                         }
4808                 }
4809         }
4810
4811         /* alter window position if quirky */
4812         if (win->quirks & SWM_Q_ANYWHERE) {
4813                 win->manual = 1; /* don't center the quirky windows */
4814                 bzero(&wc, sizeof wc);
4815                 mask = 0;
4816                 if (bar_enabled && win->g.y < bar_height) {
4817                         win->g.y = wc.y = bar_height;
4818                         mask |= CWY;
4819                 }
4820                 if (win->g.w + win->g.x > WIDTH(r)) {
4821                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
4822                         mask |= CWX;
4823                 }
4824                 border_me = 1;
4825         }
4826
4827         /* Reset font sizes (the bruteforce way; no default keybinding). */
4828         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
4829                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4830                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
4831                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4832                         fake_keypress(win, XK_KP_Add, ShiftMask);
4833         }
4834
4835         ewmh_get_win_state(win);
4836         ewmh_update_actions(win);
4837         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
4838
4839         /* border me */
4840         if (border_me) {
4841                 bzero(&wc, sizeof wc);
4842                 wc.border_width = border_width;
4843                 mask = CWBorderWidth;
4844                 XConfigureWindow(display, win->id, mask, &wc);
4845         }
4846
4847         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
4848             PropertyChangeMask | StructureNotifyMask);
4849
4850         /* floaters need to be mapped if they are in the current workspace */
4851         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
4852                 XMapRaised(display, win->id);
4853
4854         return (win);
4855 }
4856
4857 void
4858 free_window(struct ws_win *win)
4859 {
4860         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
4861
4862         if (win == NULL)
4863                 return;
4864
4865         /* needed for restart wm */
4866         set_win_state(win, WithdrawnState);
4867
4868         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4869
4870         if (win->ch.res_class)
4871                 XFree(win->ch.res_class);
4872         if (win->ch.res_name)
4873                 XFree(win->ch.res_name);
4874
4875         kill_refs(win);
4876
4877         /* paint memory */
4878         memset(win, 0xff, sizeof *win); /* XXX kill later */
4879
4880         free(win);
4881 }
4882
4883 void
4884 unmanage_window(struct ws_win *win)
4885 {
4886         struct ws_win           *parent;
4887
4888         if (win == NULL)
4889                 return;
4890
4891         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
4892
4893         if (win->transient) {
4894                 parent = find_window(win->transient);
4895                 if (parent)
4896                         parent->child_trans = NULL;
4897         }
4898
4899         /* focus on root just in case */
4900         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
4901
4902         focus_prev(win);
4903
4904         TAILQ_REMOVE(&win->ws->winlist, win, entry);
4905         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
4906
4907         kill_refs(win);
4908 }
4909
4910 void
4911 focus_magic(struct ws_win *win)
4912 {
4913         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
4914
4915         if (win == NULL)
4916                 return;
4917
4918         if (win->child_trans) {
4919                 /* win = parent & has a transient so focus on that */
4920                 if (win->java) {
4921                         focus_win(win->child_trans);
4922                         if (win->child_trans->take_focus)
4923                                 client_msg(win, takefocus);
4924                 } else {
4925                         /* make sure transient hasn't dissapeared */
4926                         if (validate_win(win->child_trans) == 0) {
4927                                 focus_win(win->child_trans);
4928                                 if (win->child_trans->take_focus)
4929                                         client_msg(win->child_trans, takefocus);
4930                         } else {
4931                                 win->child_trans = NULL;
4932                                 focus_win(win);
4933                                 if (win->take_focus)
4934                                         client_msg(win, takefocus);
4935                         }
4936                 }
4937         } else {
4938                 /* regular focus */
4939                 focus_win(win);
4940                 if (win->take_focus)
4941                         client_msg(win, takefocus);
4942         }
4943 }
4944
4945 void
4946 expose(XEvent *e)
4947 {
4948         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
4949 }
4950
4951 void
4952 keypress(XEvent *e)
4953 {
4954         unsigned int            i;
4955         KeySym                  keysym;
4956         XKeyEvent               *ev = &e->xkey;
4957
4958         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
4959
4960         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
4961         for (i = 0; i < keys_length; i++)
4962                 if (keysym == keys[i].keysym
4963                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
4964                    && keyfuncs[keys[i].funcid].func) {
4965                         if (keys[i].funcid == kf_spawn_custom)
4966                                 spawn_custom(
4967                                     root_to_region(ev->root),
4968                                     &(keyfuncs[keys[i].funcid].args),
4969                                     keys[i].spawn_name
4970                                     );
4971                         else
4972                                 keyfuncs[keys[i].funcid].func(
4973                                     root_to_region(ev->root),
4974                                     &(keyfuncs[keys[i].funcid].args)
4975                                     );
4976                 }
4977 }
4978
4979 void
4980 buttonpress(XEvent *e)
4981 {
4982         struct ws_win           *win;
4983         int                     i, action;
4984         XButtonPressedEvent     *ev = &e->xbutton;
4985
4986         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
4987
4988         action = root_click;
4989         if ((win = find_window(ev->window)) == NULL)
4990                 return;
4991
4992         focus_magic(win);
4993         action = client_click;
4994
4995         for (i = 0; i < LENGTH(buttons); i++)
4996                 if (action == buttons[i].action && buttons[i].func &&
4997                     buttons[i].button == ev->button &&
4998                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
4999                         buttons[i].func(win, &buttons[i].args);
5000 }
5001
5002 void
5003 configurerequest(XEvent *e)
5004 {
5005         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5006         struct ws_win           *win;
5007         int                     new = 0;
5008         XWindowChanges          wc;
5009
5010         if ((win = find_window(ev->window)) == NULL)
5011                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5012                         new = 1;
5013
5014         if (new) {
5015                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5016                     ev->window);
5017                 bzero(&wc, sizeof wc);
5018                 wc.x = ev->x;
5019                 wc.y = ev->y;
5020                 wc.width = ev->width;
5021                 wc.height = ev->height;
5022                 wc.border_width = ev->border_width;
5023                 wc.sibling = ev->above;
5024                 wc.stack_mode = ev->detail;
5025                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5026         } else {
5027                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5028                     ev->window);
5029                 config_win(win, ev);
5030         }
5031 }
5032
5033 void
5034 configurenotify(XEvent *e)
5035 {
5036         struct ws_win           *win;
5037         long                    mask;
5038
5039         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5040             e->xconfigure.window);
5041
5042         win = find_window(e->xconfigure.window);
5043         if (win) {
5044                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5045                 adjust_font(win);
5046                 if (font_adjusted)
5047                         stack();
5048                 if (focus_mode == SWM_FOCUS_DEFAULT)
5049                         drain_enter_notify();
5050         }
5051 }
5052
5053 void
5054 destroynotify(XEvent *e)
5055 {
5056         struct ws_win           *win;
5057         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5058
5059         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5060
5061         if ((win = find_window(ev->window)) == NULL) {
5062                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5063                         return;
5064                 free_window(win);
5065                 return;
5066         }
5067
5068         /* make sure we focus on something */
5069         win->floating = 0;
5070
5071         unmanage_window(win);
5072         stack();
5073         if (focus_mode == SWM_FOCUS_DEFAULT)
5074                 drain_enter_notify();
5075         free_window(win);
5076 }
5077
5078 void
5079 enternotify(XEvent *e)
5080 {
5081         XCrossingEvent          *ev = &e->xcrossing;
5082         XEvent                  cne;
5083         struct ws_win           *win;
5084 #if 0
5085         struct ws_win           *w;
5086         Window                  focus_return;
5087         int                     revert_to_return;
5088 #endif
5089         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5090             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5091             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5092             ev->same_screen, ev->focus, ev->state);
5093
5094         switch (focus_mode) {
5095         case SWM_FOCUS_DEFAULT:
5096                 break;
5097         case SWM_FOCUS_FOLLOW:
5098                 break;
5099         case SWM_FOCUS_SYNERGY:
5100 #if 0
5101         /*
5102          * all these checks need to be in this order because the
5103          * XCheckTypedWindowEvent relies on weeding out the previous events
5104          *
5105          * making this code an option would enable a follow mouse for focus
5106          * feature
5107          */
5108
5109         /*
5110          * state is set when we are switching workspaces and focus is set when
5111          * the window or a subwindow already has focus (occurs during restart).
5112          *
5113          * Only honor the focus flag if last_focus_event is not FocusOut,
5114          * this allows scrotwm to continue to control focus when another
5115          * program is also playing with it.
5116          */
5117         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5118                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5119                 return;
5120         }
5121
5122         /*
5123          * happens when a window is created or destroyed and the border
5124          * crosses the mouse pointer and when switching ws
5125          *
5126          * we need the subwindow test to see if we came from root in order
5127          * to give focus to floaters
5128          */
5129         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5130             ev->subwindow == 0) {
5131                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5132                 return;
5133         }
5134
5135         /* this window already has focus */
5136         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5137                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5138                 return;
5139         }
5140
5141         /* this window is being deleted or moved to another ws */
5142         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5143             &cne) == True) {
5144                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5145                 XPutBackEvent(display, &cne);
5146                 return;
5147         }
5148
5149         if ((win = find_window(ev->window)) == NULL) {
5150                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5151                 return;
5152         }
5153
5154         /*
5155          * In fullstack kill all enters unless they come from a different ws
5156          * (i.e. another region) or focus has been grabbed externally.
5157          */
5158         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5159             last_focus_event != FocusOut) {
5160                 XGetInputFocus(display, &focus_return, &revert_to_return);
5161                 if ((w = find_window(focus_return)) == NULL ||
5162                     w->ws == win->ws) {
5163                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5164                         return;
5165                 }
5166         }
5167 #endif
5168                 break;
5169         }
5170
5171         if ((win = find_window(ev->window)) == NULL) {
5172                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5173                 return;
5174         }
5175
5176         /*
5177          * if we have more enternotifies let them handle it in due time
5178          */
5179         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5180                 DNPRINTF(SWM_D_EVENT,
5181                     "ignoring enternotify: got more enternotify\n");
5182                 XPutBackEvent(display, &cne);
5183                 return;
5184         }
5185
5186         focus_magic(win);
5187 }
5188
5189 /* lets us use one switch statement for arbitrary mode/detail combinations */
5190 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5191
5192 void
5193 focusevent(XEvent *e)
5194 {
5195 #if 0
5196         struct ws_win           *win;
5197         u_int32_t               mode_detail;
5198         XFocusChangeEvent       *ev = &e->xfocus;
5199
5200         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5201             ev->type == FocusIn ? "entering" : "leaving",
5202             ev->window, ev->mode, ev->detail);
5203
5204         if (last_focus_event == ev->type) {
5205                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5206                 return;
5207         }
5208
5209         last_focus_event = ev->type;
5210         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5211
5212         switch (mode_detail) {
5213         /* synergy client focus operations */
5214         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5215         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5216
5217         /* synergy server focus operations */
5218         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5219
5220         /* Entering applications like rdesktop that mangle the pointer */
5221         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5222
5223                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5224                         XSetWindowBorder(display, win->id,
5225                             win->ws->r->s->c[ev->type == FocusIn ?
5226                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5227                 break;
5228         default:
5229                 fprintf(stderr, "ignoring focusevent\n");
5230                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5231                 break;
5232         }
5233 #endif
5234 }
5235
5236 void
5237 mapnotify(XEvent *e)
5238 {
5239         struct ws_win           *win;
5240         XMapEvent               *ev = &e->xmap;
5241
5242         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5243
5244         win = manage_window(ev->window);
5245         if (win)
5246                 set_win_state(win, NormalState);
5247 }
5248
5249 void
5250 mappingnotify(XEvent *e)
5251 {
5252         XMappingEvent           *ev = &e->xmapping;
5253
5254         XRefreshKeyboardMapping(ev);
5255         if (ev->request == MappingKeyboard)
5256                 grabkeys();
5257 }
5258
5259 void
5260 maprequest(XEvent *e)
5261 {
5262         struct ws_win           *win;
5263         struct swm_region       *r;
5264         XWindowAttributes       wa;
5265         XMapRequestEvent        *ev = &e->xmaprequest;
5266
5267         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5268             e->xmaprequest.window);
5269
5270         if (!XGetWindowAttributes(display, ev->window, &wa))
5271                 return;
5272         if (wa.override_redirect)
5273                 return;
5274
5275         win = manage_window(e->xmaprequest.window);
5276         if (win == NULL)
5277                 return; /* can't happen */
5278
5279         stack();
5280
5281         /* make new win focused */
5282         r = root_to_region(win->wa.root);
5283         if (win->ws == r->ws)
5284                 focus_magic(win);
5285 }
5286
5287 void
5288 propertynotify(XEvent *e)
5289 {
5290         struct ws_win           *win;
5291         XPropertyEvent          *ev = &e->xproperty;
5292
5293         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5294             ev->window);
5295
5296         win = find_window(ev->window);
5297         if (win == NULL)
5298                 return;
5299
5300         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5301                 update_iconic(win, 0);
5302                 XMapRaised(display, win->id);
5303                 stack();
5304                 focus_win(win);
5305                 return;
5306         }
5307
5308         switch (ev->atom) {
5309         case XA_WM_NORMAL_HINTS:
5310 #if 0
5311                 long            mask;
5312                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5313                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5314                 if (win->sh.flags & PMinSize) {
5315                         win->g.w = win->sh.min_width;
5316                         win->g.h = win->sh.min_height;
5317                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5318                 }
5319                 XMoveResizeWindow(display, win->id,
5320                     win->g.x, win->g.y, win->g.w, win->g.h);
5321 #endif
5322                 if (window_name_enabled)
5323                         bar_update();
5324                 break;
5325         default:
5326                 break;
5327         }
5328 }
5329
5330 void
5331 unmapnotify(XEvent *e)
5332 {
5333         struct ws_win           *win;
5334
5335         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5336
5337         /* determine if we need to help unmanage this window */
5338         win = find_window(e->xunmap.window);
5339         if (win == NULL)
5340                 return;
5341
5342         if (getstate(e->xunmap.window) == NormalState) {
5343                 unmanage_window(win);
5344                 stack();
5345
5346                 /* giant hack for apps that don't destroy transient windows */
5347                 /* eat a bunch of events to prevent remanaging the window */
5348                 XEvent                  cne;
5349                 while (XCheckWindowEvent(display, e->xunmap.window,
5350                     EnterWindowMask, &cne))
5351                         ;
5352                 while (XCheckWindowEvent(display, e->xunmap.window,
5353                     StructureNotifyMask, &cne))
5354                         ;
5355                 while (XCheckWindowEvent(display, e->xunmap.window,
5356                     SubstructureNotifyMask, &cne))
5357                         ;
5358                 /* resend unmap because we ated it */
5359                 XUnmapWindow(display, e->xunmap.window);
5360         }
5361 }
5362
5363 void
5364 visibilitynotify(XEvent *e)
5365 {
5366         int                     i;
5367         struct swm_region       *r;
5368
5369         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5370             e->xvisibility.window);
5371         if (e->xvisibility.state == VisibilityUnobscured)
5372                 for (i = 0; i < ScreenCount(display); i++)
5373                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5374                                 if (e->xvisibility.window == r->bar_window)
5375                                         bar_update();
5376 }
5377
5378 void
5379 clientmessage(XEvent *e)
5380 {
5381         XClientMessageEvent *ev;
5382         struct ws_win *win;
5383
5384         ev = &e->xclient;
5385
5386         win = find_window(ev->window);
5387         if (win == NULL)
5388                 return;
5389
5390         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5391             ev->window, ev->message_type);
5392
5393         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5394                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5395                 focus_win(win);
5396         }
5397         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5398                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5399                 if (win->can_delete)
5400                         client_msg(win, adelete);
5401                 else
5402                         XKillClient(display, win->id);
5403         }
5404         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5405                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5406                 if (win->floating) {
5407                         if (ev->data.l[0] & (1<<8)) /* x */
5408                                 win->g.x = ev->data.l[1];
5409                         if (ev->data.l[0] & (1<<9)) /* y */
5410                                 win->g.y = ev->data.l[2];
5411                         if (ev->data.l[0] & (1<<10)) /* width */
5412                                 win->g.w = ev->data.l[3];
5413                         if (ev->data.l[0] & (1<<11)) /* height */
5414                                 win->g.h = ev->data.l[4];
5415                 }
5416                 else {
5417                         /* TODO: Change stack sizes */
5418                 }
5419                 config_win(win, NULL);
5420         }
5421         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5422                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5423                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5424                 if (ev->data.l[2])
5425                         ewmh_update_win_state(win, ev->data.l[2], ev->data.l[0]);
5426
5427                 stack();
5428         }
5429 }
5430
5431 int
5432 xerror_start(Display *d, XErrorEvent *ee)
5433 {
5434         other_wm = 1;
5435         return (-1);
5436 }
5437
5438 int
5439 xerror(Display *d, XErrorEvent *ee)
5440 {
5441         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5442         return (-1);
5443 }
5444
5445 int
5446 active_wm(void)
5447 {
5448         other_wm = 0;
5449         xerrorxlib = XSetErrorHandler(xerror_start);
5450
5451         /* this causes an error if some other window manager is running */
5452         XSelectInput(display, DefaultRootWindow(display),
5453             SubstructureRedirectMask);
5454         XSync(display, False);
5455         if (other_wm)
5456                 return (1);
5457
5458         XSetErrorHandler(xerror);
5459         XSync(display, False);
5460         return (0);
5461 }
5462
5463 void
5464 new_region(struct swm_screen *s, int x, int y, int w, int h)
5465 {
5466         struct swm_region       *r, *n;
5467         struct workspace        *ws = NULL;
5468         int                     i;
5469
5470         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5471              s->idx, w, h, x, y);
5472
5473         /* remove any conflicting regions */
5474         n = TAILQ_FIRST(&s->rl);
5475         while (n) {
5476                 r = n;
5477                 n = TAILQ_NEXT(r, entry);
5478                 if (X(r) < (x + w) &&
5479                     (X(r) + WIDTH(r)) > x &&
5480                     Y(r) < (y + h) &&
5481                     (Y(r) + HEIGHT(r)) > y) {
5482                         if (r->ws->r != NULL)
5483                                 r->ws->old_r = r->ws->r;
5484                         r->ws->r = NULL;
5485                         XDestroyWindow(display, r->bar_window);
5486                         TAILQ_REMOVE(&s->rl, r, entry);
5487                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5488                 }
5489         }
5490
5491         /* search old regions for one to reuse */
5492
5493         /* size + location match */
5494         TAILQ_FOREACH(r, &s->orl, entry)
5495                 if (X(r) == x && Y(r) == y &&
5496                     HEIGHT(r) == h && WIDTH(r) == w)
5497                         break;
5498
5499         /* size match */
5500         TAILQ_FOREACH(r, &s->orl, entry)
5501                 if (HEIGHT(r) == h && WIDTH(r) == w)
5502                         break;
5503
5504         if (r != NULL) {
5505                 TAILQ_REMOVE(&s->orl, r, entry);
5506                 /* try to use old region's workspace */
5507                 if (r->ws->r == NULL)
5508                         ws = r->ws;
5509         } else
5510                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5511                         errx(1, "calloc: failed to allocate memory for screen");
5512
5513         /* if we don't have a workspace already, find one */
5514         if (ws == NULL) {
5515                 for (i = 0; i < SWM_WS_MAX; i++)
5516                         if (s->ws[i].r == NULL) {
5517                                 ws = &s->ws[i];
5518                                 break;
5519                         }
5520         }
5521
5522         if (ws == NULL)
5523                 errx(1, "no free workspaces\n");
5524
5525         X(r) = x;
5526         Y(r) = y;
5527         WIDTH(r) = w;
5528         HEIGHT(r) = h;
5529         r->s = s;
5530         r->ws = ws;
5531         r->ws_prior = NULL;
5532         ws->r = r;
5533         outputs++;
5534         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5535 }
5536
5537 void
5538 scan_xrandr(int i)
5539 {
5540 #ifdef SWM_XRR_HAS_CRTC
5541         XRRCrtcInfo             *ci;
5542         XRRScreenResources      *sr;
5543         int                     c;
5544         int                     ncrtc = 0;
5545 #endif /* SWM_XRR_HAS_CRTC */
5546         struct swm_region       *r;
5547
5548
5549         if (i >= ScreenCount(display))
5550                 errx(1, "invalid screen");
5551
5552         /* remove any old regions */
5553         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5554                 r->ws->old_r = r->ws->r = NULL;
5555                 XDestroyWindow(display, r->bar_window);
5556                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5557                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5558         }
5559         outputs = 0;
5560
5561         /* map virtual screens onto physical screens */
5562 #ifdef SWM_XRR_HAS_CRTC
5563         if (xrandr_support) {
5564                 sr = XRRGetScreenResources(display, screens[i].root);
5565                 if (sr == NULL)
5566                         new_region(&screens[i], 0, 0,
5567                             DisplayWidth(display, i),
5568                             DisplayHeight(display, i));
5569                 else
5570                         ncrtc = sr->ncrtc;
5571
5572                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5573                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5574                         if (ci->noutput == 0)
5575                                 continue;
5576
5577                         if (ci != NULL && ci->mode == None)
5578                                 new_region(&screens[i], 0, 0,
5579                                     DisplayWidth(display, i),
5580                                     DisplayHeight(display, i));
5581                         else
5582                                 new_region(&screens[i],
5583                                     ci->x, ci->y, ci->width, ci->height);
5584                 }
5585                 if (ci)
5586                         XRRFreeCrtcInfo(ci);
5587                 XRRFreeScreenResources(sr);
5588         } else
5589 #endif /* SWM_XRR_HAS_CRTC */
5590         {
5591                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5592                     DisplayHeight(display, i));
5593         }
5594 }
5595
5596 void
5597 screenchange(XEvent *e) {
5598         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5599         struct swm_region               *r;
5600         int                             i;
5601
5602         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5603
5604         if (!XRRUpdateConfiguration(e))
5605                 return;
5606
5607         /* silly event doesn't include the screen index */
5608         for (i = 0; i < ScreenCount(display); i++)
5609                 if (screens[i].root == xe->root)
5610                         break;
5611         if (i >= ScreenCount(display))
5612                 errx(1, "screenchange: screen not found\n");
5613
5614         /* brute force for now, just re-enumerate the regions */
5615         scan_xrandr(i);
5616
5617         /* add bars to all regions */
5618         for (i = 0; i < ScreenCount(display); i++)
5619                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5620                         bar_setup(r);
5621         stack();
5622         if (focus_mode == SWM_FOCUS_DEFAULT)
5623                 drain_enter_notify();
5624 }
5625
5626 void
5627 grab_windows(void)
5628 {
5629         Window                  d1, d2, *wins = NULL;
5630         XWindowAttributes       wa;
5631         unsigned int            no;
5632         int                     i, j;
5633         long                    state, manage;
5634
5635         for (i = 0; i < ScreenCount(display); i++) {
5636                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5637                         continue;
5638
5639                 /* attach windows to a region */
5640                 /* normal windows */
5641                 for (j = 0; j < no; j++) {
5642                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5643                             wa.override_redirect ||
5644                             XGetTransientForHint(display, wins[j], &d1))
5645                                 continue;
5646
5647                         state = getstate(wins[j]);
5648                         manage = state == IconicState;
5649                         if (wa.map_state == IsViewable || manage)
5650                                 manage_window(wins[j]);
5651                 }
5652                 /* transient windows */
5653                 for (j = 0; j < no; j++) {
5654                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5655                             wa.override_redirect)
5656                                 continue;
5657
5658                         state = getstate(wins[j]);
5659                         manage = state == IconicState;
5660                         if (XGetTransientForHint(display, wins[j], &d1) &&
5661                             manage)
5662                                 manage_window(wins[j]);
5663                 }
5664                 if (wins) {
5665                         XFree(wins);
5666                         wins = NULL;
5667                 }
5668         }
5669 }
5670
5671 void
5672 setup_screens(void)
5673 {
5674         int                     i, j, k;
5675         int                     errorbase, major, minor;
5676         struct workspace        *ws;
5677         int                     ws_idx_atom;
5678
5679         if ((screens = calloc(ScreenCount(display),
5680              sizeof(struct swm_screen))) == NULL)
5681                 errx(1, "calloc: screens");
5682
5683         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5684
5685         /* initial Xrandr setup */
5686         xrandr_support = XRRQueryExtension(display,
5687             &xrandr_eventbase, &errorbase);
5688         if (xrandr_support)
5689                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
5690                         xrandr_support = 0;
5691
5692         /* map physical screens */
5693         for (i = 0; i < ScreenCount(display); i++) {
5694                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
5695                 screens[i].idx = i;
5696                 TAILQ_INIT(&screens[i].rl);
5697                 TAILQ_INIT(&screens[i].orl);
5698                 screens[i].root = RootWindow(display, i);
5699
5700                 /* set default colors */
5701                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
5702                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
5703                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
5704                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
5705                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
5706
5707                 /* set default cursor */
5708                 XDefineCursor(display, screens[i].root,
5709                     XCreateFontCursor(display, XC_left_ptr));
5710
5711                 /* init all workspaces */
5712                 /* XXX these should be dynamically allocated too */
5713                 for (j = 0; j < SWM_WS_MAX; j++) {
5714                         ws = &screens[i].ws[j];
5715                         ws->idx = j;
5716                         ws->focus = NULL;
5717                         ws->r = NULL;
5718                         ws->old_r = NULL;
5719                         TAILQ_INIT(&ws->winlist);
5720                         TAILQ_INIT(&ws->unmanagedlist);
5721
5722                         for (k = 0; layouts[k].l_stack != NULL; k++)
5723                                 if (layouts[k].l_config != NULL)
5724                                         layouts[k].l_config(ws,
5725                                             SWM_ARG_ID_STACKINIT);
5726                         ws->cur_layout = &layouts[0];
5727                 }
5728
5729                 scan_xrandr(i);
5730
5731                 if (xrandr_support)
5732                         XRRSelectInput(display, screens[i].root,
5733                             RRScreenChangeNotifyMask);
5734         }
5735 }
5736
5737 void
5738 setup_globals(void)
5739 {
5740         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
5741             == NULL)
5742                 err(1, "setup_globals: strdup");
5743         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
5744             == NULL)
5745                 err(1, "setup_globals: strdup");
5746         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
5747             == NULL)
5748                 err(1, "setup_globals: strdup");
5749         if ((spawn_term[0] = strdup("xterm")) == NULL)
5750                 err(1, "setup_globals: strdup");
5751         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
5752                 errx(1, "strdup");
5753 }
5754
5755 void
5756 workaround(void)
5757 {
5758         int                     i;
5759         Atom                    netwmcheck, netwmname, utf8_string;
5760         Window                  root, win;
5761
5762         /* work around sun jdk bugs, code from wmname */
5763         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
5764         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
5765         utf8_string = XInternAtom(display, "UTF8_STRING", False);
5766         for (i = 0; i < ScreenCount(display); i++) {
5767                 root = screens[i].root;
5768                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
5769                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
5770                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
5771
5772                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
5773                     PropModeReplace, (unsigned char *)&win,1);
5774                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
5775                     PropModeReplace, (unsigned char *)&win,1);
5776                 XChangeProperty(display, win, netwmname, utf8_string, 8,
5777                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
5778         }
5779 }
5780
5781 int
5782 main(int argc, char *argv[])
5783 {
5784         struct passwd           *pwd;
5785         struct swm_region       *r, *rr;
5786         struct ws_win           *winfocus = NULL;
5787         struct timeval          tv;
5788         union arg               a;
5789         char                    conf[PATH_MAX], *cfile = NULL;
5790         struct stat             sb;
5791         XEvent                  e;
5792         int                     xfd, i;
5793         fd_set                  rd;
5794         struct sigaction        sact;
5795
5796         start_argv = argv;
5797         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
5798             SWM_VERSION, cvstag);
5799         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
5800                 warnx("no locale support");
5801
5802         if (!(display = XOpenDisplay(0)))
5803                 errx(1, "can not open display");
5804
5805         if (active_wm())
5806                 errx(1, "other wm running");
5807
5808         /* handle some signals */
5809         bzero(&sact, sizeof(sact));
5810         sigemptyset(&sact.sa_mask);
5811         sact.sa_flags = 0;
5812         sact.sa_handler = sighdlr;
5813         sigaction(SIGINT, &sact, NULL);
5814         sigaction(SIGQUIT, &sact, NULL);
5815         sigaction(SIGTERM, &sact, NULL);
5816         sigaction(SIGHUP, &sact, NULL);
5817
5818         sact.sa_handler = sighdlr;
5819         sact.sa_flags = SA_NOCLDSTOP;
5820         sigaction(SIGCHLD, &sact, NULL);
5821
5822         astate = XInternAtom(display, "WM_STATE", False);
5823         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
5824         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
5825         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
5826         a_wmname = XInternAtom(display, "WM_NAME", False);
5827         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
5828         a_string = XInternAtom(display, "STRING", False);
5829         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
5830
5831         /* look for local and global conf file */
5832         pwd = getpwuid(getuid());
5833         if (pwd == NULL)
5834                 errx(1, "invalid user %d", getuid());
5835
5836         setup_screens();
5837         setup_globals();
5838         setup_keys();
5839         setup_quirks();
5840         setup_spawn();
5841
5842         /* load config */
5843         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
5844         if (stat(conf, &sb) != -1) {
5845                 if (S_ISREG(sb.st_mode))
5846                         cfile = conf;
5847         } else {
5848                 /* try global conf file */
5849                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
5850                 if (!stat(conf, &sb))
5851                         if (S_ISREG(sb.st_mode))
5852                                 cfile = conf;
5853         }
5854         if (cfile)
5855                 conf_load(cfile);
5856
5857         setup_ewmh();
5858         /* set some values to work around bad programs */
5859         workaround();
5860
5861         /* grab existing windows (before we build the bars) */
5862         grab_windows();
5863
5864         /* setup all bars */
5865         for (i = 0; i < ScreenCount(display); i++)
5866                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
5867                         if (winfocus == NULL)
5868                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
5869                         bar_setup(r);
5870                 }
5871
5872         unfocus_all();
5873
5874         grabkeys();
5875         stack();
5876         if (focus_mode == SWM_FOCUS_DEFAULT)
5877                 drain_enter_notify();
5878
5879         xfd = ConnectionNumber(display);
5880         while (running) {
5881                 while (XPending(display)) {
5882                         XNextEvent(display, &e);
5883                         if (running == 0)
5884                                 goto done;
5885                         if (e.type < LASTEvent) {
5886                                 dumpevent(&e);
5887                                 if (handler[e.type])
5888                                         handler[e.type](&e);
5889                                 else
5890                                         DNPRINTF(SWM_D_EVENT,
5891                                             "win: %lu unknown event: %d\n",
5892                                             e.xany.window, e.type);
5893                         } else {
5894                                 switch (e.type - xrandr_eventbase) {
5895                                 case RRScreenChangeNotify:
5896                                         screenchange(&e);
5897                                         break;
5898                                 default:
5899                                         DNPRINTF(SWM_D_EVENT,
5900                                             "win: %lu unknown xrandr event: "
5901                                             "%d\n", e.xany.window, e.type);
5902                                         break;
5903                                 }
5904                         }
5905                 }
5906
5907                 /* if we are being restarted go focus on first window */
5908                 if (winfocus) {
5909                         rr = winfocus->ws->r;
5910                         if (rr == NULL) {
5911                                 /* not a visible window */
5912                                 winfocus = NULL;
5913                                 continue;
5914                         }
5915                         /* move pointer to first screen if multi screen */
5916                         if (ScreenCount(display) > 1 || outputs > 1)
5917                                 XWarpPointer(display, None, rr->s[0].root,
5918                                     0, 0, 0, 0, rr->g.x,
5919                                     rr->g.y + (bar_enabled ? bar_height : 0));
5920
5921                         a.id = SWM_ARG_ID_FOCUSCUR;
5922                         focus(rr, &a);
5923                         winfocus = NULL;
5924                         continue;
5925                 }
5926
5927                 FD_ZERO(&rd);
5928                 FD_SET(xfd, &rd);
5929                 tv.tv_sec = 1;
5930                 tv.tv_usec = 0;
5931                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
5932                         if (errno != EINTR)
5933                                 DNPRINTF(SWM_D_MISC, "select failed");
5934                 if (restart_wm == 1)
5935                         restart(NULL, NULL);
5936                 if (search_resp == 1)
5937                         search_do_resp();
5938                 if (running == 0)
5939                         goto done;
5940                 if (bar_alarm) {
5941                         bar_alarm = 0;
5942                         bar_update();
5943                 }
5944         }
5945 done:
5946         teardown_ewmh();
5947         bar_extra_stop();
5948         XFreeGC(display, bar_gc);
5949         XCloseDisplay(display);
5950
5951         return (0);
5952 }