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