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