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, *t;
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         if (cur_focus->transient) {
2084                 source = find_window(cur_focus->transient);
2085                 if (source == NULL)
2086                         return;
2087         } else
2088                 source = cur_focus;
2089         wl = &source->ws->winlist;
2090
2091         switch (args->id) {
2092         case SWM_ARG_ID_SWAPPREV:
2093                 target = TAILQ_PREV(source, ws_win_list, entry);
2094                 TAILQ_REMOVE(wl, source, entry);
2095                 if (target == NULL)
2096                         TAILQ_INSERT_TAIL(wl, source, entry);
2097                 else
2098                         TAILQ_INSERT_BEFORE(target, source, entry);
2099                 break;
2100         case SWM_ARG_ID_SWAPNEXT:
2101                 target = TAILQ_NEXT(source, entry);
2102                 TAILQ_REMOVE(wl, source, entry);
2103                 if (target == NULL)
2104                         TAILQ_INSERT_HEAD(wl, source, entry);
2105                 else
2106                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2107                 break;
2108         case SWM_ARG_ID_SWAPMAIN:
2109                 target = TAILQ_FIRST(wl);
2110                 if (target == source) {
2111                         if (source->ws->focus_prev != NULL &&
2112                             source->ws->focus_prev != target)
2113
2114                                 source = source->ws->focus_prev;
2115                         else
2116                                 return;
2117                 }
2118                 if (target == NULL || source == NULL)
2119                         return;
2120                 source->ws->focus_prev = target;
2121                 TAILQ_REMOVE(wl, target, entry);
2122                 TAILQ_INSERT_BEFORE(source, target, entry);
2123                 TAILQ_REMOVE(wl, source, entry);
2124                 TAILQ_INSERT_HEAD(wl, source, entry);
2125                 break;
2126         case SWM_ARG_ID_MOVELAST:
2127                 TAILQ_REMOVE(wl, source, entry);
2128                 TAILQ_INSERT_TAIL(wl, source, entry);
2129                 break;
2130         default:
2131                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2132                 return;
2133         }
2134
2135         if (source && source->transient) {
2136                 t = find_window(source->transient);
2137                 fprintf(stderr, "source migrate trans %p\n", t);
2138                 if (t) {
2139                         TAILQ_REMOVE(wl, t, entry);
2140                         TAILQ_INSERT_AFTER(wl, source, t, entry);
2141                 }
2142         }
2143         if (target && target->transient) {
2144                 t = find_window(target->transient);
2145                 fprintf(stderr, "target migrate trans\n");
2146                 if (t) {
2147                         TAILQ_REMOVE(wl, t, entry);
2148                         TAILQ_INSERT_AFTER(wl, target, t, entry);
2149                 }
2150         }
2151
2152         stack();
2153 }
2154
2155 void
2156 focus_prev(struct ws_win *win)
2157 {
2158         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2159         struct ws_win           *cur_focus = NULL;
2160         struct ws_win_list      *wl = NULL;
2161         struct workspace        *ws = NULL;
2162
2163         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2164
2165         if (!(win && win->ws))
2166                 return;
2167
2168         ws = win->ws;
2169         wl = &ws->winlist;
2170         cur_focus = ws->focus;
2171         winlostfocus = cur_focus;
2172
2173         /* pickle, just focus on whatever */
2174         if (cur_focus == NULL) {
2175                 /* use prev_focus if valid */
2176                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2177                     find_window(WINID(ws->focus_prev)))
2178                         winfocus = ws->focus_prev;
2179                 if (winfocus == NULL)
2180                         winfocus = TAILQ_FIRST(wl);
2181                 goto done;
2182         }
2183
2184         /* if transient focus on parent */
2185         if (cur_focus->transient) {
2186                 winfocus = find_window(cur_focus->transient);
2187                 goto done;
2188         }
2189
2190         /* if in max_stack try harder */
2191         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
2192                 if (cur_focus != ws->focus_prev)
2193                         winfocus = ws->focus_prev;
2194                 else if (cur_focus != ws->focus)
2195                         winfocus = ws->focus;
2196                 else
2197                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2198                 if (winfocus)
2199                         goto done;
2200         }
2201
2202         if (cur_focus == win)
2203                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2204         if (winfocus == NULL)
2205                 winfocus = TAILQ_LAST(wl, ws_win_list);
2206         if (winfocus == NULL || winfocus == win)
2207                 winfocus = TAILQ_NEXT(cur_focus, entry);
2208 done:
2209         if (winfocus == winlostfocus || winfocus == NULL)
2210                 return;
2211
2212         focus_magic(winfocus);
2213 }
2214
2215 void
2216 focus(struct swm_region *r, union arg *args)
2217 {
2218         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2219         struct ws_win           *cur_focus = NULL;
2220         struct ws_win_list      *wl = NULL;
2221         struct workspace        *ws = NULL;
2222
2223         if (!(r && r->ws))
2224                 return;
2225
2226         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2227
2228         /* treat FOCUS_CUR special */
2229         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2230                 if (r->ws->focus && r->ws->focus->iconic == 0)
2231                         winfocus = r->ws->focus;
2232                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2233                         winfocus = r->ws->focus_prev;
2234                 else
2235                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2236                                 if (winfocus->iconic == 0)
2237                                         break;
2238
2239                 focus_magic(winfocus);
2240                 return;
2241         }
2242
2243         if ((cur_focus = r->ws->focus) == NULL)
2244                 return;
2245         ws = r->ws;
2246         wl = &ws->winlist;
2247
2248         winlostfocus = cur_focus;
2249
2250         switch (args->id) {
2251         case SWM_ARG_ID_FOCUSPREV:
2252                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2253                 if (head == NULL)
2254                         head = TAILQ_LAST(wl, ws_win_list);
2255                 winfocus = head;
2256                 if (WINID(winfocus) == cur_focus->transient) {
2257                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2258                         if (head == NULL)
2259                                 head = TAILQ_LAST(wl, ws_win_list);
2260                         winfocus = head;
2261                 }
2262
2263                 /* skip iconics */
2264                 if (winfocus && winfocus->iconic) {
2265                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2266                                 if (winfocus->iconic == 0)
2267                                         break;
2268                 }
2269                 break;
2270
2271         case SWM_ARG_ID_FOCUSNEXT:
2272                 head = TAILQ_NEXT(cur_focus, entry);
2273                 if (head == NULL)
2274                         head = TAILQ_FIRST(wl);
2275                 winfocus = head;
2276
2277                 /* skip iconics */
2278                 if (winfocus && winfocus->iconic) {
2279                         TAILQ_FOREACH(winfocus, wl, entry)
2280                                 if (winfocus->iconic == 0)
2281                                         break;
2282                 }
2283                 break;
2284
2285         case SWM_ARG_ID_FOCUSMAIN:
2286                 winfocus = TAILQ_FIRST(wl);
2287                 if (winfocus == cur_focus)
2288                         winfocus = cur_focus->ws->focus_prev;
2289                 break;
2290
2291         default:
2292                 return;
2293         }
2294         if (winfocus == winlostfocus || winfocus == NULL)
2295                 return;
2296
2297         focus_magic(winfocus);
2298 }
2299
2300 void
2301 cycle_layout(struct swm_region *r, union arg *args)
2302 {
2303         struct workspace        *ws = r->ws;
2304         struct ws_win           *winfocus;
2305         union arg               a;
2306
2307         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2308
2309         winfocus = ws->focus;
2310
2311         ws->cur_layout++;
2312         if (ws->cur_layout->l_stack == NULL)
2313                 ws->cur_layout = &layouts[0];
2314
2315         stack();
2316         a.id = SWM_ARG_ID_FOCUSCUR;
2317         focus(r, &a);
2318         bar_update();
2319 }
2320
2321 void
2322 stack_config(struct swm_region *r, union arg *args)
2323 {
2324         struct workspace        *ws = r->ws;
2325
2326         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2327             args->id, ws->idx);
2328
2329         if (ws->cur_layout->l_config != NULL)
2330                 ws->cur_layout->l_config(ws, args->id);
2331
2332         if (args->id != SWM_ARG_ID_STACKINIT);
2333                 stack();
2334 }
2335
2336 void
2337 stack(void) {
2338         struct swm_geometry     g;
2339         struct swm_region       *r;
2340         int                     i, j;
2341
2342         DNPRINTF(SWM_D_STACK, "stack\n");
2343
2344         for (i = 0; i < ScreenCount(display); i++) {
2345                 j = 0;
2346                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2347                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2348                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2349
2350                         /* start with screen geometry, adjust for bar */
2351                         g = r->g;
2352                         g.w -= 2 * border_width;
2353                         g.h -= 2 * border_width;
2354                         if (bar_enabled) {
2355                                 if (!bar_at_bottom)
2356                                         g.y += bar_height;
2357                                 g.h -= bar_height;
2358                         }
2359                         r->ws->cur_layout->l_stack(r->ws, &g);
2360                         /* save r so we can track region changes */
2361                         r->ws->old_r = r;
2362                 }
2363         }
2364         if (font_adjusted)
2365                 font_adjusted--;
2366 }
2367
2368 void
2369 store_float_geom(struct ws_win *win, struct swm_region *r)
2370 {
2371         /* retain window geom and region geom */
2372         win->g_float.x = win->g.x;
2373         win->g_float.y = win->g.y;
2374         win->g_float.w = win->g.w;
2375         win->g_float.h = win->g.h;
2376         win->rg_float.x = r->g.x;
2377         win->rg_float.y = r->g.y;
2378         win->rg_float.w = r->g.w;
2379         win->rg_float.h = r->g.h;
2380         win->g_floatvalid = 1;
2381 }
2382
2383 void
2384 stack_floater(struct ws_win *win, struct swm_region *r)
2385 {
2386         unsigned int            mask;
2387         XWindowChanges          wc;
2388
2389         if (win == NULL)
2390                 return;
2391
2392         bzero(&wc, sizeof wc);
2393         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2394
2395         /*
2396          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2397          * geom on ws switches or return from max mode
2398          */
2399
2400         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2401             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2402                 /*
2403                  * use stored g and rg to set relative position and size
2404                  * as in old region or before max stack mode
2405                  */
2406                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2407                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2408                 win->g.w = win->g_float.w;
2409                 win->g.h = win->g_float.h;
2410                 win->g_floatvalid = 0;
2411         }
2412
2413         win->floatmaxed = 0;
2414
2415         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2416             (win->g.h >= HEIGHT(r)))
2417                 wc.border_width = 0;
2418         else
2419                 wc.border_width = border_width;
2420         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2421                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2422                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2423         }
2424
2425         if (!win->manual) {
2426                 /*
2427                  * floaters and transients are auto-centred unless moved
2428                  * or resized
2429                  */
2430                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) / 2 - wc.border_width;
2431                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) / 2 - wc.border_width;
2432         }
2433
2434         /* win can be outside r if new r smaller than old r */
2435         /* Ensure top left corner inside r (move probs otherwise) */
2436         if (win->g.x < r->g.x - wc.border_width)
2437                 win->g.x = r->g.x - wc.border_width;
2438         if (win->g.x > r->g.x + r->g.w - 1)
2439                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2440                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2441         if (win->g.y < r->g.y - wc.border_width)
2442                 win->g.y = r->g.y - wc.border_width;
2443         if (win->g.y > r->g.y + r->g.h - 1)
2444                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2445                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2446
2447         wc.x = win->g.x;
2448         wc.y = win->g.y;
2449         wc.width = win->g.w;
2450         wc.height = win->g.h;
2451
2452         /*
2453          * Retain floater and transient geometry for correct positioning
2454          * when ws changes region
2455          */
2456         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2457                 store_float_geom(win, r);
2458
2459         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2460             win->id, wc.x, wc.y, wc.width, wc.height);
2461
2462         XConfigureWindow(display, win->id, mask, &wc);
2463 }
2464
2465 /*
2466  * Send keystrokes to terminal to decrease/increase the font size as the
2467  * window size changes.
2468  */
2469 void
2470 adjust_font(struct ws_win *win)
2471 {
2472         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2473             win->floating || win->transient)
2474                 return;
2475
2476         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2477             win->g.w / win->sh.width_inc < term_width &&
2478             win->font_steps < SWM_MAX_FONT_STEPS) {
2479                 win->font_size_boundary[win->font_steps] =
2480                     (win->sh.width_inc * term_width) + win->sh.base_width;
2481                 win->font_steps++;
2482                 font_adjusted++;
2483                 win->last_inc = win->sh.width_inc;
2484                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2485         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2486             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2487                 win->font_steps--;
2488                 font_adjusted++;
2489                 win->last_inc = win->sh.width_inc;
2490                 fake_keypress(win, XK_KP_Add, ShiftMask);
2491         }
2492 }
2493
2494 #define SWAPXY(g)       do {                            \
2495         int tmp;                                        \
2496         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2497         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2498 } while (0)
2499 void
2500 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2501 {
2502         XWindowChanges          wc;
2503         XWindowAttributes       wa;
2504         struct swm_geometry     win_g, r_g = *g;
2505         struct ws_win           *win, *fs_win = 0;
2506         int                     i, j, s, stacks;
2507         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2508         int                     hrh, extra = 0, h_slice, last_h = 0;
2509         int                     split, colno, winno, mwin, msize, mscale;
2510         int                     remain, missing, v_slice, reconfigure;
2511         unsigned int            mask;
2512
2513         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2514             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2515
2516         winno = count_win(ws, 0);
2517         if (winno == 0 && count_win(ws, 1) == 0)
2518                 return;
2519
2520         TAILQ_FOREACH(win, &ws->winlist, entry)
2521                 if (win->transient == 0 && win->floating == 0 && win->iconic == 0)
2522                         break;
2523
2524         if (win == NULL)
2525                 goto notiles;
2526
2527         if (rot) {
2528                 w_inc = win->sh.width_inc;
2529                 w_base = win->sh.base_width;
2530                 mwin = ws->l_state.horizontal_mwin;
2531                 mscale = ws->l_state.horizontal_msize;
2532                 stacks = ws->l_state.horizontal_stacks;
2533                 SWAPXY(&r_g);
2534         } else {
2535                 w_inc = win->sh.height_inc;
2536                 w_base = win->sh.base_height;
2537                 mwin = ws->l_state.vertical_mwin;
2538                 mscale = ws->l_state.vertical_msize;
2539                 stacks = ws->l_state.vertical_stacks;
2540         }
2541         win_g = r_g;
2542
2543         if (stacks > winno - mwin)
2544                 stacks = winno - mwin;
2545         if (stacks < 1)
2546                 stacks = 1;
2547
2548         h_slice = r_g.h / SWM_H_SLICE;
2549         if (mwin && winno > mwin) {
2550                 v_slice = r_g.w / SWM_V_SLICE;
2551
2552                 split = mwin;
2553                 colno = split;
2554                 win_g.w = v_slice * mscale;
2555
2556                 if (w_inc > 1 && w_inc < v_slice) {
2557                         /* adjust for window's requested size increment */
2558                         remain = (win_g.w - w_base) % w_inc;
2559                         missing = w_inc - remain;
2560                         win_g.w -= remain;
2561                         extra += remain;
2562                 }
2563
2564                 msize = win_g.w;
2565                 if (flip)
2566                         win_g.x += r_g.w - msize;
2567         } else {
2568                 msize = -2;
2569                 colno = split = winno / stacks;
2570                 win_g.w = ((r_g.w - (stacks * 2 * border_width) + 2 * border_width) / stacks);
2571         }
2572         hrh = r_g.h / colno;
2573         extra = r_g.h - (colno * hrh);
2574         win_g.h = hrh - 2 * border_width;
2575
2576         /*  stack all the tiled windows */
2577         i = j = 0, s = stacks;
2578         TAILQ_FOREACH(win, &ws->winlist, entry) {
2579                 if (win->transient != 0 || win->floating != 0)
2580                         continue;
2581                 if (win->iconic != 0)
2582                         continue;
2583
2584                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2585                         fs_win = win;
2586                         continue;
2587                 }
2588
2589                 if (split && i == split) {
2590                         colno = (winno - mwin) / stacks;
2591                         if (s <= (winno - mwin) % stacks)
2592                                 colno++;
2593                         split = split + colno;
2594                         hrh = (r_g.h / colno);
2595                         extra = r_g.h - (colno * hrh);
2596                         if (flip)
2597                                 win_g.x = r_g.x;
2598                         else
2599                                 win_g.x += win_g.w + 2 * border_width;
2600                         win_g.w = (r_g.w - msize - (stacks * 2 * border_width)) / stacks;
2601                         if (s == 1)
2602                                 win_g.w += (r_g.w - msize - (stacks * 2 * border_width)) %
2603                                     stacks;
2604                         s--;
2605                         j = 0;
2606                 }
2607                 win_g.h = hrh - 2 * border_width;
2608                 if (rot) {
2609                         h_inc = win->sh.width_inc;
2610                         h_base = win->sh.base_width;
2611                 } else {
2612                         h_inc = win->sh.height_inc;
2613                         h_base = win->sh.base_height;
2614                 }
2615                 if (j == colno - 1) {
2616                         win_g.h = hrh + extra;
2617                 } else if (h_inc > 1 && h_inc < h_slice) {
2618                         /* adjust for window's requested size increment */
2619                         remain = (win_g.h - h_base) % h_inc;
2620                         missing = h_inc - remain;
2621
2622                         if (missing <= extra || j == 0) {
2623                                 extra -= missing;
2624                                 win_g.h += missing;
2625                         } else {
2626                                 win_g.h -= remain;
2627                                 extra += remain;
2628                         }
2629                 }
2630
2631                 if (j == 0)
2632                         win_g.y = r_g.y;
2633                 else
2634                         win_g.y += last_h + 2 * border_width;
2635
2636                 bzero(&wc, sizeof wc);
2637                 if (disable_border && bar_enabled == 0 && winno == 1){
2638                         wc.border_width = 0;
2639                         win_g.w += 2 * border_width;
2640                         win_g.h += 2 * border_width;
2641                 } else
2642                         wc.border_width = border_width;
2643                 reconfigure = 0;
2644                 if (rot) {
2645                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2646                             win->g.w != win_g.h || win->g.h != win_g.w) {
2647                                 reconfigure = 1;
2648                                 win->g.x = wc.x = win_g.y;
2649                                 win->g.y = wc.y = win_g.x;
2650                                 win->g.w = wc.width = win_g.h;
2651                                 win->g.h = wc.height = win_g.w;
2652                         }
2653                 } else {
2654                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2655                             win->g.w != win_g.w || win->g.h != win_g.h) {
2656                                 reconfigure = 1;
2657                                 win->g.x = wc.x = win_g.x;
2658                                 win->g.y = wc.y = win_g.y;
2659                                 win->g.w = wc.width = win_g.w;
2660                                 win->g.h = wc.height = win_g.h;
2661                         }
2662                 }
2663                 if (reconfigure) {
2664                         adjust_font(win);
2665                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2666                         XConfigureWindow(display, win->id, mask, &wc);
2667                 }
2668
2669                 if (XGetWindowAttributes(display, win->id, &wa))
2670                         if (wa.map_state == IsUnmapped)
2671                                 XMapRaised(display, win->id);
2672
2673                 last_h = win_g.h;
2674                 i++;
2675                 j++;
2676         }
2677
2678 notiles:
2679         /* now, stack all the floaters and transients */
2680         TAILQ_FOREACH(win, &ws->winlist, entry) {
2681                 if (win->transient == 0 && win->floating == 0)
2682                         continue;
2683                 if (win->iconic == 1)
2684                         continue;
2685                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2686                         fs_win = win;
2687                         continue;
2688                 }
2689
2690                 stack_floater(win, ws->r);
2691                 XMapRaised(display, win->id);
2692         }
2693
2694         if (fs_win) {
2695                 stack_floater(fs_win, ws->r);
2696                 XMapRaised(display, fs_win->id);
2697         }
2698 }
2699
2700 void
2701 vertical_config(struct workspace *ws, int id)
2702 {
2703         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2704
2705         switch (id) {
2706         case SWM_ARG_ID_STACKRESET:
2707         case SWM_ARG_ID_STACKINIT:
2708                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2709                 ws->l_state.vertical_mwin = 1;
2710                 ws->l_state.vertical_stacks = 1;
2711                 break;
2712         case SWM_ARG_ID_MASTERSHRINK:
2713                 if (ws->l_state.vertical_msize > 1)
2714                         ws->l_state.vertical_msize--;
2715                 break;
2716         case SWM_ARG_ID_MASTERGROW:
2717                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2718                         ws->l_state.vertical_msize++;
2719                 break;
2720         case SWM_ARG_ID_MASTERADD:
2721                 ws->l_state.vertical_mwin++;
2722                 break;
2723         case SWM_ARG_ID_MASTERDEL:
2724                 if (ws->l_state.vertical_mwin > 0)
2725                         ws->l_state.vertical_mwin--;
2726                 break;
2727         case SWM_ARG_ID_STACKINC:
2728                 ws->l_state.vertical_stacks++;
2729                 break;
2730         case SWM_ARG_ID_STACKDEC:
2731                 if (ws->l_state.vertical_stacks > 1)
2732                         ws->l_state.vertical_stacks--;
2733                 break;
2734         default:
2735                 return;
2736         }
2737 }
2738
2739 void
2740 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2741 {
2742         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2743
2744         stack_master(ws, g, 0, 0);
2745 }
2746
2747 void
2748 horizontal_config(struct workspace *ws, int id)
2749 {
2750         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2751
2752         switch (id) {
2753         case SWM_ARG_ID_STACKRESET:
2754         case SWM_ARG_ID_STACKINIT:
2755                 ws->l_state.horizontal_mwin = 1;
2756                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2757                 ws->l_state.horizontal_stacks = 1;
2758                 break;
2759         case SWM_ARG_ID_MASTERSHRINK:
2760                 if (ws->l_state.horizontal_msize > 1)
2761                         ws->l_state.horizontal_msize--;
2762                 break;
2763         case SWM_ARG_ID_MASTERGROW:
2764                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2765                         ws->l_state.horizontal_msize++;
2766                 break;
2767         case SWM_ARG_ID_MASTERADD:
2768                 ws->l_state.horizontal_mwin++;
2769                 break;
2770         case SWM_ARG_ID_MASTERDEL:
2771                 if (ws->l_state.horizontal_mwin > 0)
2772                         ws->l_state.horizontal_mwin--;
2773                 break;
2774         case SWM_ARG_ID_STACKINC:
2775                 ws->l_state.horizontal_stacks++;
2776                 break;
2777         case SWM_ARG_ID_STACKDEC:
2778                 if (ws->l_state.horizontal_stacks > 1)
2779                         ws->l_state.horizontal_stacks--;
2780                 break;
2781         default:
2782                 return;
2783         }
2784 }
2785
2786 void
2787 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2788 {
2789         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2790
2791         stack_master(ws, g, 1, 0);
2792 }
2793
2794 /* fullscreen view */
2795 void
2796 max_stack(struct workspace *ws, struct swm_geometry *g)
2797 {
2798         XWindowChanges          wc;
2799         struct swm_geometry     gg = *g;
2800         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2801         unsigned int            mask;
2802         int                     winno;
2803
2804         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2805
2806         if (ws == NULL)
2807                 return;
2808
2809         winno = count_win(ws, 0);
2810         if (winno == 0 && count_win(ws, 1) == 0)
2811                 return;
2812
2813         TAILQ_FOREACH(win, &ws->winlist, entry) {
2814                 if (win->transient) {
2815                         wintrans = win;
2816                         parent = find_window(win->transient);
2817                         continue;
2818                 }
2819
2820                 if (win->floating && win->floatmaxed == 0 ) {
2821                         /*
2822                          * retain geometry for retrieval on exit from
2823                          * max_stack mode
2824                          */
2825                         store_float_geom(win, ws->r);
2826                         win->floatmaxed = 1;
2827                 }
2828
2829                 /* only reconfigure if necessary */
2830                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2831                     win->g.h != gg.h) {
2832                         bzero(&wc, sizeof wc);
2833                         win->g.x = wc.x = gg.x;
2834                         win->g.y = wc.y = gg.y;
2835                         if (bar_enabled){
2836                                 wc.border_width = border_width;
2837                                 win->g.w = wc.width = gg.w;
2838                                 win->g.h = wc.height = gg.h;
2839                         } else {
2840                                 wc.border_width = 0;
2841                                 win->g.w = wc.width = gg.w + 2 * border_width;
2842                                 win->g.h = wc.height = gg.h + 2 * border_width;
2843                         }
2844                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2845                         XConfigureWindow(display, win->id, mask, &wc);
2846                 }
2847                 /* unmap only if we don't have multi screen */
2848                 if (win != ws->focus)
2849                         if (!(ScreenCount(display) > 1 || outputs > 1))
2850                                 unmap_window(win);
2851         }
2852
2853         /* put the last transient on top */
2854         if (wintrans) {
2855                 if (parent)
2856                         XMapRaised(display, parent->id);
2857                 stack_floater(wintrans, ws->r);
2858                 focus_magic(wintrans);
2859         }
2860 }
2861
2862 void
2863 send_to_ws(struct swm_region *r, union arg *args)
2864 {
2865         int                     wsid = args->id;
2866         struct ws_win           *win = win;
2867         struct workspace        *ws, *nws;
2868         Atom                    ws_idx_atom = 0;
2869         unsigned char           ws_idx_str[SWM_PROPLEN];
2870         union arg               a;
2871
2872         if (r && r->ws)
2873                 win = r->ws->focus;
2874         else
2875                 return;
2876         if (win == NULL)
2877                 return;
2878         if (win->ws->idx == wsid)
2879                 return;
2880
2881         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2882
2883         ws = win->ws;
2884         nws = &win->s->ws[wsid];
2885
2886         a.id = SWM_ARG_ID_FOCUSPREV;
2887         focus(r, &a);
2888         unmap_window(win);
2889         TAILQ_REMOVE(&ws->winlist, win, entry);
2890         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2891         win->ws = nws;
2892
2893         /* Try to update the window's workspace property */
2894         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2895         if (ws_idx_atom &&
2896             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2897                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2898                     ws_idx_str);
2899                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2900                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2901         }
2902
2903         stack();
2904 }
2905
2906 void
2907 iconify(struct swm_region *r, union arg *args)
2908 {
2909         union arg a;
2910
2911         if (r->ws->focus == NULL)
2912                 return;
2913         unmap_window(r->ws->focus);
2914         update_iconic(r->ws->focus, 1);
2915         stack();
2916         r->ws->focus = NULL;
2917         a.id = SWM_ARG_ID_FOCUSCUR;
2918         focus(r, &a);
2919 }
2920
2921 unsigned char *
2922 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
2923     unsigned long *slen)
2924 {
2925         int                     status, retfmt;
2926         unsigned long           nitems, nbytes, nextra;
2927         unsigned char           *prop = NULL;
2928         Atom                    rettype;
2929
2930         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
2931             &rettype, &retfmt,  &nitems, &nbytes, &prop);
2932         if (status != Success)
2933                 return (NULL);
2934         XFree(prop);
2935
2936         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
2937             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
2938         if (status != Success) {
2939                 XFree(prop);
2940                 return (NULL);
2941         }
2942         if (rettype != stype) {
2943                 XFree(prop);
2944                 return (NULL);
2945         }
2946         *slen = nitems;
2947         return (prop);
2948 }
2949
2950 void
2951 uniconify(struct swm_region *r, union arg *args)
2952 {
2953         struct ws_win           *win;
2954         FILE                    *lfile;
2955         char                    *name;
2956         int                     count = 0;
2957         unsigned long           len;
2958
2959         DNPRINTF(SWM_D_MISC, "uniconify\n");
2960
2961         if (r && r->ws == NULL)
2962                 return;
2963
2964         /* make sure we have anything to uniconify */
2965         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
2966                 if (win->ws == NULL)
2967                         continue; /* should never happen */
2968                 if (win->iconic == 0)
2969                         continue;
2970                 count++;
2971         }
2972         if (count == 0)
2973                 return;
2974
2975         search_r = r;
2976
2977         spawn_select(r, args, "uniconify", &searchpid);
2978
2979         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
2980                 return;
2981
2982         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
2983                 if (win->ws == NULL)
2984                         continue; /* should never happen */
2985                 if (win->iconic == 0)
2986                         continue;
2987
2988                 name = get_win_name(display, win->id, a_wmname, a_string,
2989                     &len);
2990                 if (name == NULL)
2991                         continue;
2992                 fprintf(lfile, "%s.%lu\n", name, win->id);
2993                 XFree(name);
2994         }
2995
2996         fclose(lfile);
2997 }
2998
2999 #define MAX_RESP_LEN    1024
3000
3001 void
3002 search_do_resp(void)
3003 {
3004         ssize_t                 rbytes;
3005         struct ws_win           *win;
3006         char                    *name, *resp, *s;
3007         unsigned long           len;
3008
3009         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3010
3011         search_resp = 0;
3012         searchpid = 0;
3013
3014         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3015                 fprintf(stderr, "search: calloc\n");
3016                 return;
3017         }
3018
3019         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3020         if (rbytes <= 0) {
3021                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3022                 goto done;
3023         }
3024         resp[rbytes] = '\0';
3025         len = strlen(resp);
3026
3027         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3028         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3029                 if (win->iconic == 0)
3030                         continue;
3031                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3032                 if (name == NULL)
3033                         continue;
3034                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3035                         XFree(name);
3036                         continue;
3037                 }
3038                 XFree(name);
3039                 if (strncmp(s, resp, len) == 0) {
3040                         /* XXX this should be a callback to generalize */
3041                         update_iconic(win, 0);
3042                         free(s);
3043                         break;
3044                 }
3045                 free(s);
3046         }
3047 done:
3048         free(resp);
3049 }
3050
3051 void
3052 wkill(struct swm_region *r, union arg *args)
3053 {
3054         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3055
3056         if (r->ws->focus == NULL)
3057                 return;
3058
3059         if (args->id == SWM_ARG_ID_KILLWINDOW)
3060                 XKillClient(display, r->ws->focus->id);
3061         else
3062                 if (r->ws->focus->can_delete)
3063                         client_msg(r->ws->focus, adelete);
3064 }
3065
3066
3067 int
3068 floating_toggle_win(struct ws_win *win)
3069 {
3070         struct swm_region       *r;
3071
3072         if (win == NULL)
3073                 return 0;
3074
3075         if (!win->ws->r)
3076                 return 0;
3077
3078         r = win->ws->r;
3079
3080         /* reject floating toggles in max stack mode */
3081         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3082                 return 0;
3083
3084         if (win->floating) {
3085                 if (!win->floatmaxed) {
3086                         /* retain position for refloat */
3087                         store_float_geom(win, r);
3088                 }
3089                 win->floating = 0;
3090         } else {
3091                 if (win->g_floatvalid) {
3092                         /* refloat at last floating relative position */
3093                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3094                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3095                         win->g.w = win->g_float.w;
3096                         win->g.h = win->g_float.h;
3097                 }
3098                 win->floating = 1;
3099         }
3100
3101         ewmh_update_actions(win);
3102
3103         return 1;
3104 }
3105
3106 void
3107 floating_toggle(struct swm_region *r, union arg *args)
3108 {
3109         struct ws_win           *win = r->ws->focus;
3110         union arg               a;
3111
3112         if (win == NULL)
3113                 return;
3114
3115         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3116             _NET_WM_STATE_TOGGLE);
3117
3118         stack();
3119
3120         if (win == win->ws->focus) {
3121                 a.id = SWM_ARG_ID_FOCUSCUR;
3122                 focus(win->ws->r, &a);
3123         }
3124 }
3125
3126 void
3127 resize_window(struct ws_win *win, int center)
3128 {
3129         unsigned int            mask;
3130         XWindowChanges          wc;
3131         struct swm_region       *r;
3132
3133         r = root_to_region(win->wa.root);
3134         bzero(&wc, sizeof wc);
3135         mask = CWBorderWidth | CWWidth | CWHeight;
3136         wc.border_width = border_width;
3137         wc.width = win->g.w;
3138         wc.height = win->g.h;
3139         if (center == SWM_ARG_ID_CENTER) {
3140                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3141                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3142                 mask |= CWX | CWY;
3143         }
3144
3145         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3146             win->id, wc.x, wc.y, wc.width, wc.height);
3147
3148         XConfigureWindow(display, win->id, mask, &wc);
3149 }
3150
3151 void
3152 resize(struct ws_win *win, union arg *args)
3153 {
3154         XEvent                  ev;
3155         Time                    time = 0;
3156         struct swm_region       *r = win->ws->r;
3157         int                     relx, rely;
3158         union arg               a;
3159
3160
3161         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3162             win->id, win->floating, win->transient);
3163
3164         if (!(win->transient != 0 || win->floating != 0))
3165                 return;
3166
3167         /* reject resizes in max mode for floaters (transient ok) */
3168         if (win->floatmaxed)
3169                 return;
3170
3171         win->manual = 1;
3172         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3173             _NET_WM_STATE_ADD);
3174         /* raise the window = move to last in window list */
3175         a.id = SWM_ARG_ID_MOVELAST;
3176         swapwin(r, &a);
3177         stack();
3178
3179         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3180             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3181                 return;
3182
3183         /* place pointer at bottom left corner or nearest point inside r */
3184         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3185                 relx = win->g.w - 1;
3186         else
3187                 relx = r->g.x + r->g.w - win->g.x - 1;
3188
3189         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3190                 rely = win->g.h - 1;
3191         else
3192                 rely = r->g.y + r->g.h - win->g.y - 1;
3193
3194         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3195         do {
3196                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3197                     SubstructureRedirectMask, &ev);
3198                 switch(ev.type) {
3199                 case ConfigureRequest:
3200                 case Expose:
3201                 case MapRequest:
3202                         handler[ev.type](&ev);
3203                         break;
3204                 case MotionNotify:
3205                         /* do not allow resize outside of region */
3206                         if (    ev.xmotion.x_root < r->g.x ||
3207                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3208                                 ev.xmotion.y_root < r->g.y ||
3209                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3210                                 continue;
3211
3212                         if (ev.xmotion.x <= 1)
3213                                 ev.xmotion.x = 1;
3214                         if (ev.xmotion.y <= 1)
3215                                 ev.xmotion.y = 1;
3216                         win->g.w = ev.xmotion.x + 1;
3217                         win->g.h = ev.xmotion.y + 1;
3218
3219                         /* not free, don't sync more than 120 times / second */
3220                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3221                                 time = ev.xmotion.time;
3222                                 XSync(display, False);
3223                                 resize_window(win, args->id);
3224                         }
3225                         break;
3226                 }
3227         } while (ev.type != ButtonRelease);
3228         if (time) {
3229                 XSync(display, False);
3230                 resize_window(win, args->id);
3231         }
3232         store_float_geom(win,r);
3233
3234         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3235             win->g.h - 1);
3236         XUngrabPointer(display, CurrentTime);
3237
3238         /* drain events */
3239         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
3240 }
3241
3242 void
3243 move_window(struct ws_win *win)
3244 {
3245         unsigned int            mask;
3246         XWindowChanges          wc;
3247         struct swm_region       *r;
3248
3249         r = root_to_region(win->wa.root);
3250         bzero(&wc, sizeof wc);
3251         mask = CWX | CWY;
3252         wc.x = win->g.x;
3253         wc.y = win->g.y;
3254         wc.border_width = border_width;
3255
3256         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3257             win->id, wc.x, wc.y, wc.width, wc.height);
3258
3259         XConfigureWindow(display, win->id, mask, &wc);
3260 }
3261
3262 void
3263 move(struct ws_win *win, union arg *args)
3264 {
3265         XEvent                  ev;
3266         Time                    time = 0;
3267         struct swm_region       *r = win->ws->r;
3268         union arg               a;
3269
3270         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3271             win->id, win->floating, win->transient);
3272
3273         /* in max_stack mode should only move transients */
3274         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3275                 return;
3276
3277         win->manual = 1;
3278         if (win->floating == 0 && !win->transient) {
3279                 win->floating = 1;
3280                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3281                     _NET_WM_STATE_ADD);
3282         }
3283         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3284             _NET_WM_STATE_ADD);
3285
3286         /* raise the window = move to last in window list */
3287         a.id = SWM_ARG_ID_MOVELAST;
3288         swapwin(r, &a);
3289         stack();
3290
3291         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3292             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3293                 return;
3294         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3295         do {
3296                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3297                     SubstructureRedirectMask, &ev);
3298                 switch(ev.type) {
3299                 case ConfigureRequest:
3300                 case Expose:
3301                 case MapRequest:
3302                         handler[ev.type](&ev);
3303                         break;
3304                 case MotionNotify:
3305                         /* don't allow to move window origin out of region */
3306                         if (    ev.xmotion.x_root < r->g.x ||
3307                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3308                                 ev.xmotion.y_root < r->g.y ||
3309                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3310                                 continue;
3311
3312                         win->g.x = ev.xmotion.x_root - border_width;
3313                         win->g.y = ev.xmotion.y_root - border_width;
3314
3315                         /* not free, don't sync more than 120 times / second */
3316                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3317                                 time = ev.xmotion.time;
3318                                 XSync(display, False);
3319                                 move_window(win);
3320                         }
3321                         break;
3322                 }
3323         } while (ev.type != ButtonRelease);
3324         if (time) {
3325                 XSync(display, False);
3326                 move_window(win);
3327         }
3328         store_float_geom(win,r);
3329         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3330         XUngrabPointer(display, CurrentTime);
3331
3332         /* drain events */
3333         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
3334 }
3335
3336 /* user/key callable function IDs */
3337 enum keyfuncid {
3338         kf_cycle_layout,
3339         kf_stack_reset,
3340         kf_master_shrink,
3341         kf_master_grow,
3342         kf_master_add,
3343         kf_master_del,
3344         kf_stack_inc,
3345         kf_stack_dec,
3346         kf_swap_main,
3347         kf_focus_next,
3348         kf_focus_prev,
3349         kf_swap_next,
3350         kf_swap_prev,
3351         kf_spawn_term,
3352         kf_spawn_menu,
3353         kf_quit,
3354         kf_restart,
3355         kf_focus_main,
3356         kf_ws_1,
3357         kf_ws_2,
3358         kf_ws_3,
3359         kf_ws_4,
3360         kf_ws_5,
3361         kf_ws_6,
3362         kf_ws_7,
3363         kf_ws_8,
3364         kf_ws_9,
3365         kf_ws_10,
3366         kf_ws_next,
3367         kf_ws_prev,
3368         kf_ws_prior,
3369         kf_screen_next,
3370         kf_screen_prev,
3371         kf_mvws_1,
3372         kf_mvws_2,
3373         kf_mvws_3,
3374         kf_mvws_4,
3375         kf_mvws_5,
3376         kf_mvws_6,
3377         kf_mvws_7,
3378         kf_mvws_8,
3379         kf_mvws_9,
3380         kf_mvws_10,
3381         kf_bar_toggle,
3382         kf_wind_kill,
3383         kf_wind_del,
3384         kf_screenshot_all,
3385         kf_screenshot_wind,
3386         kf_float_toggle,
3387         kf_version,
3388         kf_spawn_lock,
3389         kf_spawn_initscr,
3390         kf_spawn_custom,
3391         kf_iconify,
3392         kf_uniconify,
3393         kf_dumpwins, /* MUST BE LAST */
3394         kf_invalid
3395 };
3396
3397 /* key definitions */
3398 void
3399 dummykeyfunc(struct swm_region *r, union arg *args)
3400 {
3401 };
3402
3403 void
3404 legacyfunc(struct swm_region *r, union arg *args)
3405 {
3406 };
3407
3408 struct keyfunc {
3409         char                    name[SWM_FUNCNAME_LEN];
3410         void                    (*func)(struct swm_region *r, union arg *);
3411         union arg               args;
3412 } keyfuncs[kf_invalid + 1] = {
3413         /* name                 function        argument */
3414         { "cycle_layout",       cycle_layout,   {0} },
3415         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3416         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3417         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3418         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3419         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3420         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3421         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3422         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3423         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3424         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3425         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3426         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3427         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3428         { "spawn_menu",         legacyfunc,     {0} },
3429         { "quit",               quit,           {0} },
3430         { "restart",            restart,        {0} },
3431         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3432         { "ws_1",               switchws,       {.id = 0} },
3433         { "ws_2",               switchws,       {.id = 1} },
3434         { "ws_3",               switchws,       {.id = 2} },
3435         { "ws_4",               switchws,       {.id = 3} },
3436         { "ws_5",               switchws,       {.id = 4} },
3437         { "ws_6",               switchws,       {.id = 5} },
3438         { "ws_7",               switchws,       {.id = 6} },
3439         { "ws_8",               switchws,       {.id = 7} },
3440         { "ws_9",               switchws,       {.id = 8} },
3441         { "ws_10",              switchws,       {.id = 9} },
3442         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3443         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3444         { "ws_prior",           priorws,        {0} },
3445         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3446         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3447         { "mvws_1",             send_to_ws,     {.id = 0} },
3448         { "mvws_2",             send_to_ws,     {.id = 1} },
3449         { "mvws_3",             send_to_ws,     {.id = 2} },
3450         { "mvws_4",             send_to_ws,     {.id = 3} },
3451         { "mvws_5",             send_to_ws,     {.id = 4} },
3452         { "mvws_6",             send_to_ws,     {.id = 5} },
3453         { "mvws_7",             send_to_ws,     {.id = 6} },
3454         { "mvws_8",             send_to_ws,     {.id = 7} },
3455         { "mvws_9",             send_to_ws,     {.id = 8} },
3456         { "mvws_10",            send_to_ws,     {.id = 9} },
3457         { "bar_toggle",         bar_toggle,     {0} },
3458         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3459         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3460         { "screenshot_all",     legacyfunc,     {0} },
3461         { "screenshot_wind",    legacyfunc,     {0} },
3462         { "float_toggle",       floating_toggle,{0} },
3463         { "version",            version,        {0} },
3464         { "spawn_lock",         legacyfunc,     {0} },
3465         { "spawn_initscr",      legacyfunc,     {0} },
3466         { "spawn_custom",       dummykeyfunc,   {0} },
3467         { "iconify",            iconify,        {0} },
3468         { "uniconify",          uniconify,      {0} },
3469         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3470         { "invalid key func",   NULL,           {0} },
3471 };
3472 struct key {
3473         unsigned int            mod;
3474         KeySym                  keysym;
3475         enum keyfuncid          funcid;
3476         char                    *spawn_name;
3477 };
3478 int                             keys_size = 0, keys_length = 0;
3479 struct key                      *keys = NULL;
3480
3481 /* mouse */
3482 enum { client_click, root_click };
3483 struct button {
3484         unsigned int            action;
3485         unsigned int            mask;
3486         unsigned int            button;
3487         void                    (*func)(struct ws_win *, union arg *);
3488         union arg               args;
3489 } buttons[] = {
3490           /* action     key             mouse button    func    args */
3491         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3492         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3493         { client_click, MODKEY,         Button1,        move,   {0} },
3494 };
3495
3496 void
3497 update_modkey(unsigned int mod)
3498 {
3499         int                     i;
3500
3501         mod_key = mod;
3502         for (i = 0; i < keys_length; i++)
3503                 if (keys[i].mod & ShiftMask)
3504                         keys[i].mod = mod | ShiftMask;
3505                 else
3506                         keys[i].mod = mod;
3507
3508         for (i = 0; i < LENGTH(buttons); i++)
3509                 if (buttons[i].mask & ShiftMask)
3510                         buttons[i].mask = mod | ShiftMask;
3511                 else
3512                         buttons[i].mask = mod;
3513 }
3514
3515 /* spawn */
3516 struct spawn_prog {
3517         char                    *name;
3518         int                     argc;
3519         char                    **argv;
3520 };
3521
3522 int                             spawns_size = 0, spawns_length = 0;
3523 struct spawn_prog               *spawns = NULL;
3524
3525 int
3526 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3527     char ***ret_args)
3528 {
3529         struct spawn_prog       *prog = NULL;
3530         int                     i;
3531         char                    *ap, **real_args;
3532
3533         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3534
3535         /* find program */
3536         for (i = 0; i < spawns_length; i++) {
3537                 if (!strcasecmp(spawn_name, spawns[i].name))
3538                         prog = &spawns[i];
3539         }
3540         if (prog == NULL) {
3541                 fprintf(stderr, "spawn_custom: program %s not found\n",
3542                     spawn_name);
3543                 return (-1);
3544         }
3545
3546         /* make room for expanded args */
3547         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3548                 err(1, "spawn_custom: calloc real_args");
3549
3550         /* expand spawn_args into real_args */
3551         for (i = 0; i < prog->argc; i++) {
3552                 ap = prog->argv[i];
3553                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3554                 if (!strcasecmp(ap, "$bar_border")) {
3555                         if ((real_args[i] =
3556                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3557                             == NULL)
3558                                 err(1,  "spawn_custom border color");
3559                 } else if (!strcasecmp(ap, "$bar_color")) {
3560                         if ((real_args[i] =
3561                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3562                             == NULL)
3563                                 err(1, "spawn_custom bar color");
3564                 } else if (!strcasecmp(ap, "$bar_font")) {
3565                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3566                             == NULL)
3567                                 err(1, "spawn_custom bar fonts");
3568                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3569                         if ((real_args[i] =
3570                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3571                             == NULL)
3572                                 err(1, "spawn_custom color font");
3573                 } else if (!strcasecmp(ap, "$color_focus")) {
3574                         if ((real_args[i] =
3575                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3576                             == NULL)
3577                                 err(1, "spawn_custom color focus");
3578                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3579                         if ((real_args[i] =
3580                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3581                             == NULL)
3582                                 err(1, "spawn_custom color unfocus");
3583                 } else {
3584                         /* no match --> copy as is */
3585                         if ((real_args[i] = strdup(ap)) == NULL)
3586                                 err(1, "spawn_custom strdup(ap)");
3587                 }
3588                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3589                     real_args[i]);
3590         }
3591
3592 #ifdef SWM_DEBUG
3593         if ((swm_debug & SWM_D_SPAWN) != 0) {
3594                 fprintf(stderr, "spawn_custom: result = ");
3595                 for (i = 0; i < prog->argc; i++)
3596                         fprintf(stderr, "\"%s\" ", real_args[i]);
3597                 fprintf(stderr, "\n");
3598         }
3599 #endif
3600         *ret_args = real_args;
3601         return (prog->argc);
3602 }
3603
3604 void
3605 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3606 {
3607         union arg               a;
3608         char                    **real_args;
3609         int                     spawn_argc, i;
3610
3611         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3612                 return;
3613         a.argv = real_args;
3614         if (fork() == 0)
3615                 spawn(r, &a, 1);
3616
3617         for (i = 0; i < spawn_argc; i++)
3618                 free(real_args[i]);
3619         free(real_args);
3620 }
3621
3622 void
3623 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3624 {
3625         union arg               a;
3626         char                    **real_args;
3627         int                     i, spawn_argc;
3628
3629         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3630                 return;
3631         a.argv = real_args;
3632
3633         if (pipe(select_list_pipe) == -1)
3634                 err(1, "pipe error");
3635         if (pipe(select_resp_pipe) == -1)
3636                 err(1, "pipe error");
3637
3638         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3639                 err(1, "could not disable SIGPIPE");
3640         switch (*pid = fork()) {
3641         case -1:
3642                 err(1, "cannot fork");
3643                 break;
3644         case 0: /* child */
3645                 if (dup2(select_list_pipe[0], 0) == -1)
3646                         errx(1, "dup2");
3647                 if (dup2(select_resp_pipe[1], 1) == -1)
3648                         errx(1, "dup2");
3649                 close(select_list_pipe[1]);
3650                 close(select_resp_pipe[0]);
3651                 spawn(r, &a, 0);
3652                 break;
3653         default: /* parent */
3654                 close(select_list_pipe[0]);
3655                 close(select_resp_pipe[1]);
3656                 break;
3657         }
3658
3659         for (i = 0; i < spawn_argc; i++)
3660                 free(real_args[i]);
3661         free(real_args);
3662 }
3663
3664 void
3665 setspawn(struct spawn_prog *prog)
3666 {
3667         int                     i, j;
3668
3669         if (prog == NULL || prog->name == NULL)
3670                 return;
3671
3672         /* find existing */
3673         for (i = 0; i < spawns_length; i++) {
3674                 if (!strcmp(spawns[i].name, prog->name)) {
3675                         /* found */
3676                         if (prog->argv == NULL) {
3677                                 /* delete */
3678                                 DNPRINTF(SWM_D_SPAWN,
3679                                     "setspawn: delete #%d %s\n",
3680                                     i, spawns[i].name);
3681                                 free(spawns[i].name);
3682                                 for (j = 0; j < spawns[i].argc; j++)
3683                                         free(spawns[i].argv[j]);
3684                                 free(spawns[i].argv);
3685                                 j = spawns_length - 1;
3686                                 if (i < j)
3687                                         spawns[i] = spawns[j];
3688                                 spawns_length--;
3689                                 free(prog->name);
3690                         } else {
3691                                 /* replace */
3692                                 DNPRINTF(SWM_D_SPAWN,
3693                                     "setspawn: replace #%d %s\n",
3694                                     i, spawns[i].name);
3695                                 free(spawns[i].name);
3696                                 for (j = 0; j < spawns[i].argc; j++)
3697                                         free(spawns[i].argv[j]);
3698                                 free(spawns[i].argv);
3699                                 spawns[i] = *prog;
3700                         }
3701                         /* found case handled */
3702                         free(prog);
3703                         return;
3704                 }
3705         }
3706
3707         if (prog->argv == NULL) {
3708                 fprintf(stderr,
3709                     "error: setspawn: cannot find program %s", prog->name);
3710                 free(prog);
3711                 return;
3712         }
3713
3714         /* not found: add */
3715         if (spawns_size == 0 || spawns == NULL) {
3716                 spawns_size = 4;
3717                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3718                 spawns = malloc((size_t)spawns_size *
3719                     sizeof(struct spawn_prog));
3720                 if (spawns == NULL) {
3721                         fprintf(stderr, "setspawn: malloc failed\n");
3722                         perror(" failed");
3723                         quit(NULL, NULL);
3724                 }
3725         } else if (spawns_length == spawns_size) {
3726                 spawns_size *= 2;
3727                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3728                 spawns = realloc(spawns, (size_t)spawns_size *
3729                     sizeof(struct spawn_prog));
3730                 if (spawns == NULL) {
3731                         fprintf(stderr, "setspawn: realloc failed\n");
3732                         perror(" failed");
3733                         quit(NULL, NULL);
3734                 }
3735         }
3736
3737         if (spawns_length < spawns_size) {
3738                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3739                     spawns_length, prog->name);
3740                 i = spawns_length++;
3741                 spawns[i] = *prog;
3742         } else {
3743                 fprintf(stderr, "spawns array problem?\n");
3744                 if (spawns == NULL) {
3745                         fprintf(stderr, "spawns array is NULL!\n");
3746                         quit(NULL, NULL);
3747                 }
3748         }
3749         free(prog);
3750 }
3751
3752 int
3753 setconfspawn(char *selector, char *value, int flags)
3754 {
3755         struct spawn_prog       *prog;
3756         char                    *vp, *cp, *word;
3757
3758         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3759         if ((prog = calloc(1, sizeof *prog)) == NULL)
3760                 err(1, "setconfspawn: calloc prog");
3761         prog->name = strdup(selector);
3762         if (prog->name == NULL)
3763                 err(1, "setconfspawn prog->name");
3764         if ((cp = vp = strdup(value)) == NULL)
3765                 err(1, "setconfspawn: strdup(value) ");
3766         while ((word = strsep(&cp, " \t")) != NULL) {
3767                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3768                 if (cp)
3769                         cp += (long)strspn(cp, " \t");
3770                 if (strlen(word) > 0) {
3771                         prog->argc++;
3772                         prog->argv = realloc(prog->argv,
3773                             prog->argc * sizeof(char *));
3774                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3775                                 err(1, "setconfspawn: strdup");
3776                 }
3777         }
3778         free(vp);
3779
3780         setspawn(prog);
3781
3782         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3783         return (0);
3784 }
3785
3786 void
3787 setup_spawn(void)
3788 {
3789         setconfspawn("term",            "xterm",                0);
3790         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3791         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3792         setconfspawn("lock",            "xlock",                0);
3793         setconfspawn("initscr",         "initscreen.sh",        0);
3794         setconfspawn("menu",            "dmenu_run"
3795                                         " -fn $bar_font"
3796                                         " -nb $bar_color"
3797                                         " -nf $bar_font_color"
3798                                         " -sb $bar_border"
3799                                         " -sf $bar_color",      0);
3800         setconfspawn("uniconify",       "dmenu"
3801                                         " -i"
3802                                         " -fn $bar_font"
3803                                         " -nb $bar_color"
3804                                         " -nf $bar_font_color"
3805                                         " -sb $bar_border"
3806                                         " -sf $bar_color",      0);
3807 }
3808
3809 /* key bindings */
3810 #define SWM_MODNAME_SIZE        32
3811 #define SWM_KEY_WS              "\n+ \t"
3812 int
3813 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3814 {
3815         char                    *cp, *name;
3816         KeySym                  uks;
3817         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3818         if (mod == NULL || ks == NULL) {
3819                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3820                 return (1);
3821         }
3822         if (keystr == NULL || strlen(keystr) == 0) {
3823                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3824                 return (1);
3825         }
3826         cp = keystr;
3827         *ks = NoSymbol;
3828         *mod = 0;
3829         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3830                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3831                 if (cp)
3832                         cp += (long)strspn(cp, SWM_KEY_WS);
3833                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3834                         *mod |= currmod;
3835                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3836                         *mod |= Mod1Mask;
3837                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3838                         *mod += Mod2Mask;
3839                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3840                         *mod |= Mod3Mask;
3841                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3842                         *mod |= Mod4Mask;
3843                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3844                         *mod |= ShiftMask;
3845                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3846                         *mod |= ControlMask;
3847                 else {
3848                         *ks = XStringToKeysym(name);
3849                         XConvertCase(*ks, ks, &uks);
3850                         if (ks == NoSymbol) {
3851                                 DNPRINTF(SWM_D_KEY,
3852                                     "parsekeys: invalid key %s\n",
3853                                     name);
3854                                 return (1);
3855                         }
3856                 }
3857         }
3858         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3859         return (0);
3860 }
3861
3862 char *
3863 strdupsafe(char *str)
3864 {
3865         if (str == NULL)
3866                 return (NULL);
3867         else
3868                 return (strdup(str));
3869 }
3870
3871 void
3872 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
3873 {
3874         int                     i, j;
3875         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3876             keyfuncs[kfid].name, spawn_name);
3877         /* find existing */
3878         for (i = 0; i < keys_length; i++) {
3879                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3880                         if (kfid == kf_invalid) {
3881                                 /* found: delete */
3882                                 DNPRINTF(SWM_D_KEY,
3883                                     "setkeybinding: delete #%d %s\n",
3884                                     i, keyfuncs[keys[i].funcid].name);
3885                                 free(keys[i].spawn_name);
3886                                 j = keys_length - 1;
3887                                 if (i < j)
3888                                         keys[i] = keys[j];
3889                                 keys_length--;
3890                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3891                                 return;
3892                         } else {
3893                                 /* found: replace */
3894                                 DNPRINTF(SWM_D_KEY,
3895                                     "setkeybinding: replace #%d %s %s\n",
3896                                     i, keyfuncs[keys[i].funcid].name,
3897                                     spawn_name);
3898                                 free(keys[i].spawn_name);
3899                                 keys[i].mod = mod;
3900                                 keys[i].keysym = ks;
3901                                 keys[i].funcid = kfid;
3902                                 keys[i].spawn_name = strdupsafe(spawn_name);
3903                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3904                                 return;
3905                         }
3906                 }
3907         }
3908         if (kfid == kf_invalid) {
3909                 fprintf(stderr,
3910                     "error: setkeybinding: cannot find mod/key combination");
3911                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3912                 return;
3913         }
3914         /* not found: add */
3915         if (keys_size == 0 || keys == NULL) {
3916                 keys_size = 4;
3917                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
3918                 keys = malloc((size_t)keys_size * sizeof(struct key));
3919                 if (!keys) {
3920                         fprintf(stderr, "malloc failed\n");
3921                         perror(" failed");
3922                         quit(NULL, NULL);
3923                 }
3924         } else if (keys_length == keys_size) {
3925                 keys_size *= 2;
3926                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
3927                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
3928                 if (!keys) {
3929                         fprintf(stderr, "realloc failed\n");
3930                         perror(" failed");
3931                         quit(NULL, NULL);
3932                 }
3933         }
3934         if (keys_length < keys_size) {
3935                 j = keys_length++;
3936                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
3937                     j, keyfuncs[kfid].name, spawn_name);
3938                 keys[j].mod = mod;
3939                 keys[j].keysym = ks;
3940                 keys[j].funcid = kfid;
3941                 keys[j].spawn_name = strdupsafe(spawn_name);
3942         } else {
3943                 fprintf(stderr, "keys array problem?\n");
3944                 if (!keys) {
3945                         fprintf(stderr, "keys array problem\n");
3946                         quit(NULL, NULL);
3947                 }
3948         }
3949         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3950 }
3951
3952 int
3953 setconfbinding(char *selector, char *value, int flags)
3954 {
3955         enum keyfuncid          kfid;
3956         unsigned int            mod;
3957         KeySym                  ks;
3958         int                     i;
3959         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
3960         if (selector == NULL) {
3961                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
3962                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3963                         kfid = kf_invalid;
3964                         setkeybinding(mod, ks, kfid, NULL);
3965                         return (0);
3966                 } else
3967                         return (1);
3968         }
3969         /* search by key function name */
3970         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
3971                 if (strncasecmp(selector, keyfuncs[kfid].name,
3972                     SWM_FUNCNAME_LEN) == 0) {
3973                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
3974                             selector);
3975                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3976                                 setkeybinding(mod, ks, kfid, NULL);
3977                                 return (0);
3978                         } else
3979                                 return (1);
3980                 }
3981         }
3982         /* search by custom spawn name */
3983         for (i = 0; i < spawns_length; i++) {
3984                 if (strcasecmp(selector, spawns[i].name) == 0) {
3985                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
3986                             selector);
3987                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3988                                 setkeybinding(mod, ks, kf_spawn_custom,
3989                                     spawns[i].name);
3990                                 return (0);
3991                         } else
3992                                 return (1);
3993                 }
3994         }
3995         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
3996         return (1);
3997 }
3998
3999 void
4000 setup_keys(void)
4001 {
4002         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4003         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4004         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4005         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4006         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4007         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4008         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4009         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4010         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4011         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4012         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4013         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4014         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4015         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4016         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4017         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4018         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4019         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4020         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4021         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4022         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4023         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4024         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4025         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4026         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4027         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4028         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4029         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4030         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4031         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4032         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4033         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4034         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4035         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4036         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4037         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4038         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4039         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4040         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4041         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4042         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4043         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4044         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4045         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4046         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4047         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4048         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4049         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4050         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4051         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4052         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4053         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4054         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4055         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4056         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4057         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4058 #ifdef SWM_DEBUG
4059         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4060 #endif
4061 }
4062
4063 void
4064 updatenumlockmask(void)
4065 {
4066         unsigned int            i, j;
4067         XModifierKeymap         *modmap;
4068
4069         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4070         numlockmask = 0;
4071         modmap = XGetModifierMapping(display);
4072         for (i = 0; i < 8; i++)
4073                 for (j = 0; j < modmap->max_keypermod; j++)
4074                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4075                           == XKeysymToKeycode(display, XK_Num_Lock))
4076                                 numlockmask = (1 << i);
4077
4078         XFreeModifiermap(modmap);
4079 }
4080
4081 void
4082 grabkeys(void)
4083 {
4084         unsigned int            i, j, k;
4085         KeyCode                 code;
4086         unsigned int            modifiers[] =
4087             { 0, LockMask, numlockmask, numlockmask | LockMask };
4088
4089         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4090         updatenumlockmask();
4091
4092         for (k = 0; k < ScreenCount(display); k++) {
4093                 if (TAILQ_EMPTY(&screens[k].rl))
4094                         continue;
4095                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4096                 for (i = 0; i < keys_length; i++) {
4097                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4098                                 for (j = 0; j < LENGTH(modifiers); j++)
4099                                         XGrabKey(display, code,
4100                                             keys[i].mod | modifiers[j],
4101                                             screens[k].root, True,
4102                                             GrabModeAsync, GrabModeAsync);
4103                 }
4104         }
4105 }
4106
4107 void
4108 grabbuttons(struct ws_win *win, int focused)
4109 {
4110         unsigned int            i, j;
4111         unsigned int            modifiers[] =
4112             { 0, LockMask, numlockmask, numlockmask|LockMask };
4113
4114         updatenumlockmask();
4115         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4116         if (focused) {
4117                 for (i = 0; i < LENGTH(buttons); i++)
4118                         if (buttons[i].action == client_click)
4119                                 for (j = 0; j < LENGTH(modifiers); j++)
4120                                         XGrabButton(display, buttons[i].button,
4121                                             buttons[i].mask | modifiers[j],
4122                                             win->id, False, BUTTONMASK,
4123                                             GrabModeAsync, GrabModeSync, None,
4124                                             None);
4125         } else
4126                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4127                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4128 }
4129
4130 const char *quirkname[] = {
4131         "NONE",         /* config string for "no value" */
4132         "FLOAT",
4133         "TRANSSZ",
4134         "ANYWHERE",
4135         "XTERM_FONTADJ",
4136         "FULLSCREEN",
4137 };
4138
4139 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4140 #define SWM_Q_WS                "\n|+ \t"
4141 int
4142 parsequirks(char *qstr, unsigned long *quirk)
4143 {
4144         char                    *cp, *name;
4145         int                     i;
4146
4147         if (quirk == NULL)
4148                 return (1);
4149
4150         cp = qstr;
4151         *quirk = 0;
4152         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4153                 if (cp)
4154                         cp += (long)strspn(cp, SWM_Q_WS);
4155                 for (i = 0; i < LENGTH(quirkname); i++) {
4156                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4157                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
4158                                 if (i == 0) {
4159                                         *quirk = 0;
4160                                         return (0);
4161                                 }
4162                                 *quirk |= 1 << (i-1);
4163                                 break;
4164                         }
4165                 }
4166                 if (i >= LENGTH(quirkname)) {
4167                         DNPRINTF(SWM_D_QUIRK,
4168                             "parsequirks: invalid quirk [%s]\n", name);
4169                         return (1);
4170                 }
4171         }
4172         return (0);
4173 }
4174
4175 void
4176 setquirk(const char *class, const char *name, const int quirk)
4177 {
4178         int                     i, j;
4179
4180         /* find existing */
4181         for (i = 0; i < quirks_length; i++) {
4182                 if (!strcmp(quirks[i].class, class) &&
4183                     !strcmp(quirks[i].name, name)) {
4184                         if (!quirk) {
4185                                 /* found: delete */
4186                                 DNPRINTF(SWM_D_QUIRK,
4187                                     "setquirk: delete #%d %s:%s\n",
4188                                     i, quirks[i].class, quirks[i].name);
4189                                 free(quirks[i].class);
4190                                 free(quirks[i].name);
4191                                 j = quirks_length - 1;
4192                                 if (i < j)
4193                                         quirks[i] = quirks[j];
4194                                 quirks_length--;
4195                                 return;
4196                         } else {
4197                                 /* found: replace */
4198                                 DNPRINTF(SWM_D_QUIRK,
4199                                     "setquirk: replace #%d %s:%s\n",
4200                                     i, quirks[i].class, quirks[i].name);
4201                                 free(quirks[i].class);
4202                                 free(quirks[i].name);
4203                                 quirks[i].class = strdup(class);
4204                                 quirks[i].name = strdup(name);
4205                                 quirks[i].quirk = quirk;
4206                                 return;
4207                         }
4208                 }
4209         }
4210         if (!quirk) {
4211                 fprintf(stderr,
4212                     "error: setquirk: cannot find class/name combination");
4213                 return;
4214         }
4215         /* not found: add */
4216         if (quirks_size == 0 || quirks == NULL) {
4217                 quirks_size = 4;
4218                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4219                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4220                 if (!quirks) {
4221                         fprintf(stderr, "setquirk: malloc failed\n");
4222                         perror(" failed");
4223                         quit(NULL, NULL);
4224                 }
4225         } else if (quirks_length == quirks_size) {
4226                 quirks_size *= 2;
4227                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4228                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
4229                 if (!quirks) {
4230                         fprintf(stderr, "setquirk: realloc failed\n");
4231                         perror(" failed");
4232                         quit(NULL, NULL);
4233                 }
4234         }
4235         if (quirks_length < quirks_size) {
4236                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4237                 j = quirks_length++;
4238                 quirks[j].class = strdup(class);
4239                 quirks[j].name = strdup(name);
4240                 quirks[j].quirk = quirk;
4241         } else {
4242                 fprintf(stderr, "quirks array problem?\n");
4243                 if (!quirks) {
4244                         fprintf(stderr, "quirks array problem!\n");
4245                         quit(NULL, NULL);
4246                 }
4247         }
4248 }
4249
4250 int
4251 setconfquirk(char *selector, char *value, int flags)
4252 {
4253         char                    *cp, *class, *name;
4254         int                     retval;
4255         unsigned long           quirks;
4256         if (selector == NULL)
4257                 return (0);
4258         if ((cp = strchr(selector, ':')) == NULL)
4259                 return (0);
4260         *cp = '\0';
4261         class = selector;
4262         name = cp + 1;
4263         if ((retval = parsequirks(value, &quirks)) == 0)
4264                 setquirk(class, name, quirks);
4265         return (retval);
4266 }
4267
4268 void
4269 setup_quirks(void)
4270 {
4271         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4272         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4273         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4274         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4275         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4276         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4277         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4278         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4279         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4280         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4281         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4282         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4283 }
4284
4285 /* conf file stuff */
4286 #define SWM_CONF_FILE   "scrotwm.conf"
4287
4288 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH, SWM_S_STACK_ENABLED,
4289           SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT, SWM_S_CYCLE_EMPTY,
4290           SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH,
4291           SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
4292           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH, SWM_S_BAR_FONT,
4293           SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO,
4294           SWM_S_BAR_AT_BOTTOM
4295         };
4296
4297 int
4298 setconfvalue(char *selector, char *value, int flags)
4299 {
4300         switch (flags) {
4301         case SWM_S_BAR_DELAY:
4302                 bar_delay = atoi(value);
4303                 break;
4304         case SWM_S_BAR_ENABLED:
4305                 bar_enabled = atoi(value);
4306                 break;
4307         case SWM_S_BAR_BORDER_WIDTH:
4308                 bar_border_width = atoi(value);
4309                 break;
4310         case SWM_S_BAR_AT_BOTTOM:
4311                 bar_at_bottom = atoi(value);
4312                 break;
4313         case SWM_S_STACK_ENABLED:
4314                 stack_enabled = atoi(value);
4315                 break;
4316         case SWM_S_CLOCK_ENABLED:
4317                 clock_enabled = atoi(value);
4318                 break;
4319         case SWM_S_CLOCK_FORMAT:
4320 #ifndef SWM_DENY_CLOCK_FORMAT
4321                 free(clock_format);
4322                 if ((clock_format = strdup(value)) == NULL)
4323                         err(1, "setconfvalue: clock_format");
4324 #endif
4325                 break;
4326         case SWM_S_CYCLE_EMPTY:
4327                 cycle_empty = atoi(value);
4328                 break;
4329         case SWM_S_CYCLE_VISIBLE:
4330                 cycle_visible = atoi(value);
4331                 break;
4332         case SWM_S_SS_ENABLED:
4333                 ss_enabled = atoi(value);
4334                 break;
4335         case SWM_S_TERM_WIDTH:
4336                 term_width = atoi(value);
4337                 break;
4338         case SWM_S_TITLE_CLASS_ENABLED:
4339                 title_class_enabled = atoi(value);
4340                 break;
4341         case SWM_S_WINDOW_NAME_ENABLED:
4342                 window_name_enabled = atoi(value);
4343                 break;
4344         case SWM_S_TITLE_NAME_ENABLED:
4345                 title_name_enabled = atoi(value);
4346                 break;
4347         case SWM_S_FOCUS_MODE:
4348                 if (!strcmp(value, "default"))
4349                         focus_mode = SWM_FOCUS_DEFAULT;
4350                 else if (!strcmp(value, "follow_cursor"))
4351                         focus_mode = SWM_FOCUS_FOLLOW;
4352                 else if (!strcmp(value, "synergy"))
4353                         focus_mode = SWM_FOCUS_SYNERGY;
4354                 else
4355                         err(1, "focus_mode");
4356                 break;
4357         case SWM_S_DISABLE_BORDER:
4358                 disable_border = atoi(value);
4359                 break;
4360         case SWM_S_BORDER_WIDTH:
4361                 border_width = atoi(value);
4362                 break;
4363         case SWM_S_BAR_FONT:
4364                 free(bar_fonts[0]);
4365                 if ((bar_fonts[0] = strdup(value)) == NULL)
4366                         err(1, "setconfvalue: bar_font");
4367                 break;
4368         case SWM_S_BAR_ACTION:
4369                 free(bar_argv[0]);
4370                 if ((bar_argv[0] = strdup(value)) == NULL)
4371                         err(1, "setconfvalue: bar_action");
4372                 break;
4373         case SWM_S_SPAWN_TERM:
4374                 free(spawn_term[0]);
4375                 if ((spawn_term[0] = strdup(value)) == NULL)
4376                         err(1, "setconfvalue: spawn_term");
4377                 break;
4378         case SWM_S_SS_APP:
4379                 break;
4380         case SWM_S_DIALOG_RATIO:
4381                 dialog_ratio = atof(value);
4382                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4383                         dialog_ratio = .6;
4384                 break;
4385         default:
4386                 return (1);
4387         }
4388         return (0);
4389 }
4390
4391 int
4392 setconfmodkey(char *selector, char *value, int flags)
4393 {
4394         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4395                 update_modkey(Mod1Mask);
4396         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4397                 update_modkey(Mod2Mask);
4398         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4399                 update_modkey(Mod3Mask);
4400         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4401                 update_modkey(Mod4Mask);
4402         else
4403                 return (1);
4404         return (0);
4405 }
4406
4407 int
4408 setconfcolor(char *selector, char *value, int flags)
4409 {
4410         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4411         return (0);
4412 }
4413
4414 int
4415 setconfregion(char *selector, char *value, int flags)
4416 {
4417         custom_region(value);
4418         return (0);
4419 }
4420
4421 /* config options */
4422 struct config_option {
4423         char                    *optname;
4424         int (*func)(char*, char*, int);
4425         int funcflags;
4426 };
4427 struct config_option configopt[] = {
4428         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4429         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4430         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4431         { "bar_border_width",                   setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4432         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4433         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4434         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4435         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4436         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4437         { "bind",                       setconfbinding, 0 },
4438         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4439         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4440         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4441         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4442         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4443         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4444         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4445         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4446         { "modkey",                     setconfmodkey,  0 },
4447         { "program",                    setconfspawn,   0 },
4448         { "quirk",                      setconfquirk,   0 },
4449         { "region",                     setconfregion,  0 },
4450         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4451         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4452         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4453         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4454         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4455         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4456         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4457         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4458         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4459         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4460 };
4461
4462
4463 int
4464 conf_load(char *filename)
4465 {
4466         FILE                    *config;
4467         char                    *line, *cp, *optsub, *optval;
4468         size_t                  linelen, lineno = 0;
4469         int                     wordlen, i, optind;
4470         struct config_option    *opt;
4471
4472         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4473
4474         if (filename == NULL) {
4475                 fprintf(stderr, "conf_load: no filename\n");
4476                 return (1);
4477         }
4478         if ((config = fopen(filename, "r")) == NULL) {
4479                 warn("conf_load: fopen");
4480                 return (1);
4481         }
4482
4483         while (!feof(config)) {
4484                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4485                     == NULL) {
4486                         if (ferror(config))
4487                                 err(1, "%s", filename);
4488                         else
4489                                 continue;
4490                 }
4491                 cp = line;
4492                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4493                 if (cp[0] == '\0') {
4494                         /* empty line */
4495                         free(line);
4496                         continue;
4497                 }
4498                 /* get config option */
4499                 wordlen = strcspn(cp, "=[ \t\n");
4500                 if (wordlen == 0) {
4501                         warnx("%s: line %zd: no option found",
4502                             filename, lineno);
4503                         return (1);
4504                 }
4505                 optind = -1;
4506                 for (i = 0; i < LENGTH(configopt); i++) {
4507                         opt = &configopt[i];
4508                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4509                             strlen(opt->optname) == wordlen) {
4510                                 optind = i;
4511                                 break;
4512                         }
4513                 }
4514                 if (optind == -1) {
4515                         warnx("%s: line %zd: unknown option %.*s",
4516                             filename, lineno, wordlen, cp);
4517                         return (1);
4518                 }
4519                 cp += wordlen;
4520                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4521                 /* get [selector] if any */
4522                 optsub = NULL;
4523                 if (*cp == '[') {
4524                         cp++;
4525                         wordlen = strcspn(cp, "]");
4526                         if (*cp != ']') {
4527                                 if (wordlen == 0) {
4528                                         warnx("%s: line %zd: syntax error",
4529                                             filename, lineno);
4530                                         return (1);
4531                                 }
4532                                 asprintf(&optsub, "%.*s", wordlen, cp);
4533                         }
4534                         cp += wordlen;
4535                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4536                 }
4537                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4538                 /* get RHS value */
4539                 optval = strdup(cp);
4540                 /* call function to deal with it all */
4541                 if (configopt[optind].func(optsub, optval,
4542                     configopt[optind].funcflags) != 0) {
4543                         fprintf(stderr, "%s line %zd: %s\n",
4544                             filename, lineno, line);
4545                         errx(1, "%s: line %zd: invalid data for %s",
4546                             filename, lineno, configopt[optind].optname);
4547                 }
4548                 free(optval);
4549                 free(optsub);
4550                 free(line);
4551         }
4552
4553         fclose(config);
4554         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4555
4556         return (0);
4557 }
4558
4559 void
4560 set_child_transient(struct ws_win *win)
4561 {
4562         struct ws_win           *parent;
4563
4564         parent = find_window(win->transient);
4565         if (parent)
4566                 parent->child_trans = win;
4567 }
4568
4569 struct ws_win *
4570 manage_window(Window id)
4571 {
4572         Window                  trans = 0;
4573         struct workspace        *ws;
4574         struct ws_win           *win, *ww;
4575         int                     format, i, ws_idx, n, border_me = 0;
4576         unsigned long           nitems, bytes;
4577         Atom                    ws_idx_atom = 0, type;
4578         Atom                    *prot = NULL, *pp;
4579         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
4580         struct swm_region       *r;
4581         long                    mask;
4582         const char              *errstr;
4583         XWindowChanges          wc;
4584
4585         if ((win = find_window(id)) != NULL)
4586                 return (win);   /* already being managed */
4587
4588         /* see if we are on the unmanaged list */
4589         if ((win = find_unmanaged_window(id)) != NULL) {
4590                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
4591                     "%lu\n", win->id);
4592                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4593                 if (win->transient)
4594                         set_child_transient(win);
4595                 if (trans && (ww = find_window(trans)))
4596                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
4597                 else
4598                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
4599                 ewmh_update_actions(win);
4600                 return (win);
4601         }
4602
4603         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
4604                 errx(1, "calloc: failed to allocate memory for new window");
4605
4606         win->id = id;
4607
4608         /* Get all the window data in one shot */
4609         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4610         if (ws_idx_atom)
4611                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
4612                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
4613         XGetWindowAttributes(display, id, &win->wa);
4614         XGetWMNormalHints(display, id, &win->sh, &mask);
4615         XGetTransientForHint(display, id, &trans);
4616         if (trans) {
4617                 win->transient = trans;
4618                 set_child_transient(win);
4619                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
4620                     win->id, win->transient);
4621         }
4622
4623         /* get supported protocols */
4624         if (XGetWMProtocols(display, id, &prot, &n)) {
4625                 for (i = 0, pp = prot; i < n; i++, pp++) {
4626                         if (*pp == takefocus)
4627                                 win->take_focus = 1;
4628                         if (*pp == adelete)
4629                                 win->can_delete = 1;
4630                 }
4631                 if (prot)
4632                         XFree(prot);
4633         }
4634
4635         win->iconic = get_iconic(win);
4636
4637         /*
4638          * Figure out where to put the window. If it was previously assigned to
4639          * a workspace (either by spawn() or manually moving), and isn't
4640          * transient, * put it in the same workspace
4641          */
4642         r = root_to_region(win->wa.root);
4643         if (prop && win->transient == 0) {
4644                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
4645                 ws_idx = strtonum(prop, 0, 9, &errstr);
4646                 if (errstr) {
4647                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
4648                             errstr, prop);
4649                 }
4650                 ws = &r->s->ws[ws_idx];
4651         } else {
4652                 ws = r->ws;
4653                 /* this should launch transients in the same ws as parent */
4654                 if (id && trans)
4655                         if ((ww = find_window(trans)) != NULL)
4656                                 if (ws->r) {
4657                                         ws = ww->ws;
4658                                         if (ww->ws->r)
4659                                                 r = ww->ws->r;
4660                                         else
4661                                                 fprintf(stderr,
4662                                                     "fix this bug mcbride\n");
4663                                         border_me = 1;
4664                                 }
4665         }
4666
4667         /* set up the window layout */
4668         win->id = id;
4669         win->ws = ws;
4670         win->s = r->s;  /* this never changes */
4671         if (trans && (ww = find_window(trans)))
4672                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
4673         else
4674                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
4675
4676         win->g.w = win->wa.width;
4677         win->g.h = win->wa.height;
4678         win->g.x = win->wa.x;
4679         win->g.y = win->wa.y;
4680         win->g_floatvalid = 0;
4681         win->floatmaxed = 0;
4682         win->ewmh_flags = 0;
4683
4684         /* Set window properties so we can remember this after reincarnation */
4685         if (ws_idx_atom && prop == NULL &&
4686             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
4687                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
4688                     ws_idx_str);
4689                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
4690                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
4691         }
4692         if (prop)
4693                 XFree(prop);
4694
4695         ewmh_autoquirk(win);
4696
4697         if (XGetClassHint(display, win->id, &win->ch)) {
4698                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
4699                     win->ch.res_class, win->ch.res_name);
4700
4701                 /* java is retarded so treat it special */
4702                 if (strstr(win->ch.res_name, "sun-awt")) {
4703                         win->java = 1;
4704                         border_me = 1;
4705                 }
4706
4707                 for (i = 0; i < quirks_length; i++){
4708                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
4709                             !strcmp(win->ch.res_name, quirks[i].name)) {
4710                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
4711                                     win->ch.res_class, win->ch.res_name);
4712                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
4713                                         win->floating = 1;
4714                                         border_me = 1;
4715                                 }
4716                                 win->quirks = quirks[i].quirk;
4717                         }
4718                 }
4719         }
4720
4721         /* alter window position if quirky */
4722         if (win->quirks & SWM_Q_ANYWHERE) {
4723                 win->manual = 1; /* don't center the quirky windows */
4724                 bzero(&wc, sizeof wc);
4725                 mask = 0;
4726                 if (bar_enabled && win->g.y < bar_height) {
4727                         win->g.y = wc.y = bar_height;
4728                         mask |= CWY;
4729                 }
4730                 if (win->g.w + win->g.x > WIDTH(r)) {
4731                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
4732                         mask |= CWX;
4733                 }
4734                 border_me = 1;
4735         }
4736
4737         /* Reset font sizes (the bruteforce way; no default keybinding). */
4738         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
4739                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4740                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
4741                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4742                         fake_keypress(win, XK_KP_Add, ShiftMask);
4743         }
4744
4745         ewmh_get_win_state(win);
4746         ewmh_update_actions(win);
4747         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
4748
4749         /* border me */
4750         if (border_me) {
4751                 bzero(&wc, sizeof wc);
4752                 wc.border_width = border_width;
4753                 mask = CWBorderWidth;
4754                 XConfigureWindow(display, win->id, mask, &wc);
4755         }
4756
4757         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
4758             PropertyChangeMask | StructureNotifyMask);
4759         if (win->iconic)
4760                 set_win_state(win, IconicState);
4761         else
4762                 set_win_state(win, NormalState);
4763
4764         /* floaters need to be mapped if they are in the current workspace */
4765         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
4766                 XMapRaised(display, win->id);
4767
4768         return (win);
4769 }
4770
4771 void
4772 free_window(struct ws_win *win)
4773 {
4774         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
4775
4776         if (win == NULL)
4777                 return;
4778
4779         /* needed for restart wm */
4780         set_win_state(win, WithdrawnState);
4781
4782         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4783
4784         if (win->ch.res_class)
4785                 XFree(win->ch.res_class);
4786         if (win->ch.res_name)
4787                 XFree(win->ch.res_name);
4788
4789         kill_refs(win);
4790
4791         /* paint memory */
4792         memset(win, 0xff, sizeof *win); /* XXX kill later */
4793
4794         free(win);
4795 }
4796
4797 void
4798 unmanage_window(struct ws_win *win)
4799 {
4800         struct ws_win           *parent;
4801
4802         if (win == NULL)
4803                 return;
4804
4805         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
4806
4807         if (win->transient) {
4808                 parent = find_window(win->transient);
4809                 if (parent)
4810                         parent->child_trans = NULL;
4811         }
4812
4813         /* focus on root just in case */
4814         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
4815
4816         focus_prev(win);
4817
4818         TAILQ_REMOVE(&win->ws->winlist, win, entry);
4819         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
4820
4821         kill_refs(win);
4822 }
4823
4824 void
4825 focus_magic(struct ws_win *win)
4826 {
4827         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
4828
4829         if (win == NULL)
4830                 return;
4831
4832         if (win->child_trans) {
4833                 /* win = parent & has a transient so focus on that */
4834                 if (win->java) {
4835                         focus_win(win->child_trans);
4836                         if (win->child_trans->take_focus)
4837                                 client_msg(win, takefocus);
4838                 } else {
4839                         /* make sure transient hasn't dissapeared */
4840                         if (validate_win(win->child_trans) == 0) {
4841                                 focus_win(win->child_trans);
4842                                 if (win->child_trans->take_focus)
4843                                         client_msg(win->child_trans, takefocus);
4844                         } else {
4845                                 win->child_trans = NULL;
4846                                 focus_win(win);
4847                                 if (win->take_focus)
4848                                         client_msg(win, takefocus);
4849                         }
4850                 }
4851         } else {
4852                 /* regular focus */
4853                 focus_win(win);
4854                 if (win->take_focus)
4855                         client_msg(win, takefocus);
4856         }
4857 }
4858
4859 void
4860 expose(XEvent *e)
4861 {
4862         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
4863 }
4864
4865 void
4866 keypress(XEvent *e)
4867 {
4868         unsigned int            i;
4869         KeySym                  keysym;
4870         XKeyEvent               *ev = &e->xkey;
4871
4872         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
4873
4874         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
4875         for (i = 0; i < keys_length; i++)
4876                 if (keysym == keys[i].keysym
4877                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
4878                    && keyfuncs[keys[i].funcid].func) {
4879                         if (keys[i].funcid == kf_spawn_custom)
4880                                 spawn_custom(
4881                                     root_to_region(ev->root),
4882                                     &(keyfuncs[keys[i].funcid].args),
4883                                     keys[i].spawn_name
4884                                     );
4885                         else
4886                                 keyfuncs[keys[i].funcid].func(
4887                                     root_to_region(ev->root),
4888                                     &(keyfuncs[keys[i].funcid].args)
4889                                     );
4890                 }
4891 }
4892
4893 void
4894 buttonpress(XEvent *e)
4895 {
4896         struct ws_win           *win;
4897         int                     i, action;
4898         XButtonPressedEvent     *ev = &e->xbutton;
4899
4900         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
4901
4902         action = root_click;
4903         if ((win = find_window(ev->window)) == NULL)
4904                 return;
4905
4906         focus_magic(win);
4907         action = client_click;
4908
4909         for (i = 0; i < LENGTH(buttons); i++)
4910                 if (action == buttons[i].action && buttons[i].func &&
4911                     buttons[i].button == ev->button &&
4912                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
4913                         buttons[i].func(win, &buttons[i].args);
4914 }
4915
4916 void
4917 configurerequest(XEvent *e)
4918 {
4919         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
4920         struct ws_win           *win;
4921         int                     new = 0;
4922         XWindowChanges          wc;
4923
4924         if ((win = find_window(ev->window)) == NULL)
4925                 if ((win = find_unmanaged_window(ev->window)) == NULL)
4926                         new = 1;
4927
4928         if (new) {
4929                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
4930                     ev->window);
4931                 bzero(&wc, sizeof wc);
4932                 wc.x = ev->x;
4933                 wc.y = ev->y;
4934                 wc.width = ev->width;
4935                 wc.height = ev->height;
4936                 wc.border_width = ev->border_width;
4937                 wc.sibling = ev->above;
4938                 wc.stack_mode = ev->detail;
4939                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
4940         } else {
4941                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
4942                     ev->window);
4943                 config_win(win, ev);
4944         }
4945 }
4946
4947 void
4948 configurenotify(XEvent *e)
4949 {
4950         struct ws_win           *win;
4951         long                    mask;
4952
4953         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
4954             e->xconfigure.window);
4955
4956         win = find_window(e->xconfigure.window);
4957         if (win) {
4958                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
4959                 adjust_font(win);
4960                 if (font_adjusted)
4961                         stack();
4962         }
4963 }
4964
4965 void
4966 destroynotify(XEvent *e)
4967 {
4968         struct ws_win           *win;
4969         XDestroyWindowEvent     *ev = &e->xdestroywindow;
4970
4971         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
4972
4973         if ((win = find_window(ev->window)) == NULL) {
4974                 if ((win = find_unmanaged_window(ev->window)) == NULL)
4975                         return;
4976                 free_window(win);
4977                 return;
4978         }
4979
4980         /* make sure we focus on something */
4981         win->floating = 0;
4982
4983         unmanage_window(win);
4984         stack();
4985         free_window(win);
4986 }
4987
4988 void
4989 enternotify(XEvent *e)
4990 {
4991         XCrossingEvent          *ev = &e->xcrossing;
4992         XEvent                  cne;
4993         struct ws_win           *win;
4994 #if 0
4995         struct ws_win           *w;
4996         Window                  focus_return;
4997         int                     revert_to_return;
4998 #endif
4999         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5000             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5001             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5002             ev->same_screen, ev->focus, ev->state);
5003
5004         switch (focus_mode) {
5005         case SWM_FOCUS_DEFAULT:
5006                 if (QLength(display)) {
5007                         DNPRINTF(SWM_D_EVENT, "ignore enternotify %d\n",
5008                             QLength(display));
5009                         return;
5010                 }
5011                 break;
5012         case SWM_FOCUS_FOLLOW:
5013                 break;
5014         case SWM_FOCUS_SYNERGY:
5015 #if 0
5016         /*
5017          * all these checks need to be in this order because the
5018          * XCheckTypedWindowEvent relies on weeding out the previous events
5019          *
5020          * making this code an option would enable a follow mouse for focus
5021          * feature
5022          */
5023
5024         /*
5025          * state is set when we are switching workspaces and focus is set when
5026          * the window or a subwindow already has focus (occurs during restart).
5027          *
5028          * Only honor the focus flag if last_focus_event is not FocusOut,
5029          * this allows scrotwm to continue to control focus when another
5030          * program is also playing with it.
5031          */
5032         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5033                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5034                 return;
5035         }
5036
5037         /*
5038          * happens when a window is created or destroyed and the border
5039          * crosses the mouse pointer and when switching ws
5040          *
5041          * we need the subwindow test to see if we came from root in order
5042          * to give focus to floaters
5043          */
5044         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5045             ev->subwindow == 0) {
5046                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5047                 return;
5048         }
5049
5050         /* this window already has focus */
5051         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5052                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5053                 return;
5054         }
5055
5056         /* this window is being deleted or moved to another ws */
5057         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5058             &cne) == True) {
5059                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5060                 XPutBackEvent(display, &cne);
5061                 return;
5062         }
5063
5064         if ((win = find_window(ev->window)) == NULL) {
5065                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5066                 return;
5067         }
5068
5069         /*
5070          * In fullstack kill all enters unless they come from a different ws
5071          * (i.e. another region) or focus has been grabbed externally.
5072          */
5073         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5074             last_focus_event != FocusOut) {
5075                 XGetInputFocus(display, &focus_return, &revert_to_return);
5076                 if ((w = find_window(focus_return)) == NULL ||
5077                     w->ws == win->ws) {
5078                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5079                         return;
5080                 }
5081         }
5082 #endif
5083                 break;
5084         }
5085
5086         if ((win = find_window(ev->window)) == NULL) {
5087                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5088                 return;
5089         }
5090
5091         /*
5092          * if we have more enternotifies let them handle it in due time
5093          */
5094         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5095                 DNPRINTF(SWM_D_EVENT,
5096                     "ignoring enternotify: got more enternotify\n");
5097                 XPutBackEvent(display, &cne);
5098                 return;
5099         }
5100
5101         focus_magic(win);
5102 }
5103
5104 /* lets us use one switch statement for arbitrary mode/detail combinations */
5105 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5106
5107 void
5108 focusevent(XEvent *e)
5109 {
5110 #if 0
5111         struct ws_win           *win;
5112         u_int32_t               mode_detail;
5113         XFocusChangeEvent       *ev = &e->xfocus;
5114
5115         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5116             ev->type == FocusIn ? "entering" : "leaving",
5117             ev->window, ev->mode, ev->detail);
5118
5119         if (last_focus_event == ev->type) {
5120                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5121                 return;
5122         }
5123
5124         last_focus_event = ev->type;
5125         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5126
5127         switch (mode_detail) {
5128         /* synergy client focus operations */
5129         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5130         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5131
5132         /* synergy server focus operations */
5133         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5134
5135         /* Entering applications like rdesktop that mangle the pointer */
5136         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5137
5138                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5139                         XSetWindowBorder(display, win->id,
5140                             win->ws->r->s->c[ev->type == FocusIn ?
5141                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5142                 break;
5143         default:
5144                 fprintf(stderr, "ignoring focusevent\n");
5145                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5146                 break;
5147         }
5148 #endif
5149 }
5150
5151 void
5152 mapnotify(XEvent *e)
5153 {
5154         struct ws_win           *win;
5155         XMapEvent               *ev = &e->xmap;
5156
5157         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5158
5159         win = manage_window(ev->window);
5160         if (win)
5161                 set_win_state(win, NormalState);
5162 }
5163
5164 void
5165 mappingnotify(XEvent *e)
5166 {
5167         XMappingEvent           *ev = &e->xmapping;
5168
5169         XRefreshKeyboardMapping(ev);
5170         if (ev->request == MappingKeyboard)
5171                 grabkeys();
5172 }
5173
5174 void
5175 maprequest(XEvent *e)
5176 {
5177         struct ws_win           *win;
5178         struct swm_region       *r;
5179         XWindowAttributes       wa;
5180         XMapRequestEvent        *ev = &e->xmaprequest;
5181
5182         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5183             e->xmaprequest.window);
5184
5185         if (!XGetWindowAttributes(display, ev->window, &wa))
5186                 return;
5187         if (wa.override_redirect)
5188                 return;
5189
5190         win = manage_window(e->xmaprequest.window);
5191         if (win == NULL)
5192                 return; /* can't happen */
5193
5194         stack();
5195
5196         /* make new win focused */
5197         r = root_to_region(win->wa.root);
5198         if (win->ws == r->ws)
5199                 focus_magic(win);
5200 }
5201
5202 void
5203 propertynotify(XEvent *e)
5204 {
5205         struct ws_win           *win;
5206         XPropertyEvent          *ev = &e->xproperty;
5207
5208         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5209             ev->window);
5210
5211         win = find_window(ev->window);
5212         if (win == NULL)
5213                 return;
5214
5215         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5216                 update_iconic(win, 0);
5217                 XMapRaised(display, win->id);
5218                 stack();
5219                 focus_win(win);
5220                 return;
5221         }
5222
5223         switch (ev->atom) {
5224         case XA_WM_NORMAL_HINTS:
5225 #if 0
5226                 long            mask;
5227                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5228                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5229                 if (win->sh.flags & PMinSize) {
5230                         win->g.w = win->sh.min_width;
5231                         win->g.h = win->sh.min_height;
5232                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5233                 }
5234                 XMoveResizeWindow(display, win->id,
5235                     win->g.x, win->g.y, win->g.w, win->g.h);
5236 #endif
5237                 if (window_name_enabled)
5238                         bar_update();
5239                 break;
5240         default:
5241                 break;
5242         }
5243 }
5244
5245 void
5246 unmapnotify(XEvent *e)
5247 {
5248         struct ws_win           *win;
5249
5250         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5251
5252         /* determine if we need to help unmanage this window */
5253         win = find_window(e->xunmap.window);
5254         if (win == NULL)
5255                 return;
5256
5257         if (getstate(e->xunmap.window) == NormalState) {
5258                 unmanage_window(win);
5259                 stack();
5260         }
5261 }
5262
5263 void
5264 visibilitynotify(XEvent *e)
5265 {
5266         int                     i;
5267         struct swm_region       *r;
5268
5269         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5270             e->xvisibility.window);
5271         if (e->xvisibility.state == VisibilityUnobscured)
5272                 for (i = 0; i < ScreenCount(display); i++)
5273                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5274                                 if (e->xvisibility.window == r->bar_window)
5275                                         bar_update();
5276 }
5277
5278 void
5279 clientmessage(XEvent *e)
5280 {
5281         XClientMessageEvent *ev;
5282         struct ws_win *win;
5283
5284         ev = &e->xclient;
5285
5286         win = find_window(ev->window);
5287         if (win == NULL)
5288                 return;
5289
5290         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5291             ev->window, ev->message_type);
5292
5293         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5294                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5295                 focus_win(win);
5296         }
5297         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5298                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5299                 if (win->can_delete)
5300                         client_msg(win, adelete);
5301                 else
5302                         XKillClient(display, win->id);
5303         }
5304         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5305                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5306                 if (win->floating) {
5307                         if (ev->data.l[0] & (1<<8)) /* x */
5308                                 win->g.x = ev->data.l[1];
5309                         if (ev->data.l[0] & (1<<9)) /* y */
5310                                 win->g.y = ev->data.l[2];
5311                         if (ev->data.l[0] & (1<<10)) /* width */
5312                                 win->g.w = ev->data.l[3];
5313                         if (ev->data.l[0] & (1<<11)) /* height */
5314                                 win->g.h = ev->data.l[4];
5315                 }
5316                 else {
5317                         /* TODO: Change stack sizes */
5318                 }
5319                 config_win(win, NULL);
5320         }
5321         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5322                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5323                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5324                 if (ev->data.l[2])
5325                         ewmh_update_win_state(win, ev->data.l[2], ev->data.l[0]);
5326
5327                 stack();
5328         }
5329 }
5330
5331 int
5332 xerror_start(Display *d, XErrorEvent *ee)
5333 {
5334         other_wm = 1;
5335         return (-1);
5336 }
5337
5338 int
5339 xerror(Display *d, XErrorEvent *ee)
5340 {
5341         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5342         return (-1);
5343 }
5344
5345 int
5346 active_wm(void)
5347 {
5348         other_wm = 0;
5349         xerrorxlib = XSetErrorHandler(xerror_start);
5350
5351         /* this causes an error if some other window manager is running */
5352         XSelectInput(display, DefaultRootWindow(display),
5353             SubstructureRedirectMask);
5354         XSync(display, False);
5355         if (other_wm)
5356                 return (1);
5357
5358         XSetErrorHandler(xerror);
5359         XSync(display, False);
5360         return (0);
5361 }
5362
5363 void
5364 new_region(struct swm_screen *s, int x, int y, int w, int h)
5365 {
5366         struct swm_region       *r, *n;
5367         struct workspace        *ws = NULL;
5368         int                     i;
5369
5370         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5371              s->idx, w, h, x, y);
5372
5373         /* remove any conflicting regions */
5374         n = TAILQ_FIRST(&s->rl);
5375         while (n) {
5376                 r = n;
5377                 n = TAILQ_NEXT(r, entry);
5378                 if (X(r) < (x + w) &&
5379                     (X(r) + WIDTH(r)) > x &&
5380                     Y(r) < (y + h) &&
5381                     (Y(r) + HEIGHT(r)) > y) {
5382                         if (r->ws->r != NULL)
5383                                 r->ws->old_r = r->ws->r;
5384                         r->ws->r = NULL;
5385                         XDestroyWindow(display, r->bar_window);
5386                         TAILQ_REMOVE(&s->rl, r, entry);
5387                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5388                 }
5389         }
5390
5391         /* search old regions for one to reuse */
5392
5393         /* size + location match */
5394         TAILQ_FOREACH(r, &s->orl, entry)
5395                 if (X(r) == x && Y(r) == y &&
5396                     HEIGHT(r) == h && WIDTH(r) == w)
5397                         break;
5398
5399         /* size match */
5400         TAILQ_FOREACH(r, &s->orl, entry)
5401                 if (HEIGHT(r) == h && WIDTH(r) == w)
5402                         break;
5403
5404         if (r != NULL) {
5405                 TAILQ_REMOVE(&s->orl, r, entry);
5406                 /* try to use old region's workspace */
5407                 if (r->ws->r == NULL)
5408                         ws = r->ws;
5409         } else
5410                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5411                         errx(1, "calloc: failed to allocate memory for screen");
5412
5413         /* if we don't have a workspace already, find one */
5414         if (ws == NULL) {
5415                 for (i = 0; i < SWM_WS_MAX; i++)
5416                         if (s->ws[i].r == NULL) {
5417                                 ws = &s->ws[i];
5418                                 break;
5419                         }
5420         }
5421
5422         if (ws == NULL)
5423                 errx(1, "no free workspaces\n");
5424
5425         X(r) = x;
5426         Y(r) = y;
5427         WIDTH(r) = w;
5428         HEIGHT(r) = h;
5429         r->s = s;
5430         r->ws = ws;
5431         r->ws_prior = NULL;
5432         ws->r = r;
5433         outputs++;
5434         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5435 }
5436
5437 void
5438 scan_xrandr(int i)
5439 {
5440 #ifdef SWM_XRR_HAS_CRTC
5441         XRRCrtcInfo             *ci;
5442         XRRScreenResources      *sr;
5443         int                     c;
5444         int                     ncrtc = 0;
5445 #endif /* SWM_XRR_HAS_CRTC */
5446         struct swm_region       *r;
5447
5448
5449         if (i >= ScreenCount(display))
5450                 errx(1, "invalid screen");
5451
5452         /* remove any old regions */
5453         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5454                 r->ws->old_r = r->ws->r = NULL;
5455                 XDestroyWindow(display, r->bar_window);
5456                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5457                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5458         }
5459         outputs = 0;
5460
5461         /* map virtual screens onto physical screens */
5462 #ifdef SWM_XRR_HAS_CRTC
5463         if (xrandr_support) {
5464                 sr = XRRGetScreenResources(display, screens[i].root);
5465                 if (sr == NULL)
5466                         new_region(&screens[i], 0, 0,
5467                             DisplayWidth(display, i),
5468                             DisplayHeight(display, i));
5469                 else
5470                         ncrtc = sr->ncrtc;
5471
5472                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5473                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5474                         if (ci->noutput == 0)
5475                                 continue;
5476
5477                         if (ci != NULL && ci->mode == None)
5478                                 new_region(&screens[i], 0, 0,
5479                                     DisplayWidth(display, i),
5480                                     DisplayHeight(display, i));
5481                         else
5482                                 new_region(&screens[i],
5483                                     ci->x, ci->y, ci->width, ci->height);
5484                 }
5485                 if (ci)
5486                         XRRFreeCrtcInfo(ci);
5487                 XRRFreeScreenResources(sr);
5488         } else
5489 #endif /* SWM_XRR_HAS_CRTC */
5490         {
5491                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5492                     DisplayHeight(display, i));
5493         }
5494 }
5495
5496 void
5497 screenchange(XEvent *e) {
5498         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5499         struct swm_region               *r;
5500         int                             i;
5501
5502         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5503
5504         if (!XRRUpdateConfiguration(e))
5505                 return;
5506
5507         /* silly event doesn't include the screen index */
5508         for (i = 0; i < ScreenCount(display); i++)
5509                 if (screens[i].root == xe->root)
5510                         break;
5511         if (i >= ScreenCount(display))
5512                 errx(1, "screenchange: screen not found\n");
5513
5514         /* brute force for now, just re-enumerate the regions */
5515         scan_xrandr(i);
5516
5517         /* add bars to all regions */
5518         for (i = 0; i < ScreenCount(display); i++)
5519                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5520                         bar_setup(r);
5521         stack();
5522 }
5523
5524 void
5525 grab_windows(void)
5526 {
5527         Window                  d1, d2, *wins = NULL;
5528         XWindowAttributes       wa;
5529         unsigned int            no;
5530         int                     i, j;
5531         long                    state, manage;
5532
5533         for (i = 0; i < ScreenCount(display); i++) {
5534                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5535                         continue;
5536
5537                 /* attach windows to a region */
5538                 /* normal windows */
5539                 for (j = 0; j < no; j++) {
5540                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5541                             wa.override_redirect ||
5542                             XGetTransientForHint(display, wins[j], &d1))
5543                                 continue;
5544
5545                         state = getstate(wins[j]);
5546                         manage = state == IconicState;
5547                         if (wa.map_state == IsViewable || manage)
5548                                 manage_window(wins[j]);
5549                 }
5550                 /* transient windows */
5551                 for (j = 0; j < no; j++) {
5552                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5553                             wa.override_redirect)
5554                                 continue;
5555
5556                         state = getstate(wins[j]);
5557                         manage = state == IconicState;
5558                         if (XGetTransientForHint(display, wins[j], &d1) &&
5559                             manage)
5560                                 manage_window(wins[j]);
5561                 }
5562                 if (wins) {
5563                         XFree(wins);
5564                         wins = NULL;
5565                 }
5566         }
5567 }
5568
5569 void
5570 setup_screens(void)
5571 {
5572         int                     i, j, k;
5573         int                     errorbase, major, minor;
5574         struct workspace        *ws;
5575         int                     ws_idx_atom;
5576
5577         if ((screens = calloc(ScreenCount(display),
5578              sizeof(struct swm_screen))) == NULL)
5579                 errx(1, "calloc: screens");
5580
5581         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5582
5583         /* initial Xrandr setup */
5584         xrandr_support = XRRQueryExtension(display,
5585             &xrandr_eventbase, &errorbase);
5586         if (xrandr_support)
5587                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
5588                         xrandr_support = 0;
5589
5590         /* map physical screens */
5591         for (i = 0; i < ScreenCount(display); i++) {
5592                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
5593                 screens[i].idx = i;
5594                 TAILQ_INIT(&screens[i].rl);
5595                 TAILQ_INIT(&screens[i].orl);
5596                 screens[i].root = RootWindow(display, i);
5597
5598                 /* set default colors */
5599                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
5600                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
5601                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
5602                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
5603                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
5604
5605                 /* set default cursor */
5606                 XDefineCursor(display, screens[i].root,
5607                     XCreateFontCursor(display, XC_left_ptr));
5608
5609                 /* init all workspaces */
5610                 /* XXX these should be dynamically allocated too */
5611                 for (j = 0; j < SWM_WS_MAX; j++) {
5612                         ws = &screens[i].ws[j];
5613                         ws->idx = j;
5614                         ws->focus = NULL;
5615                         ws->r = NULL;
5616                         ws->old_r = NULL;
5617                         TAILQ_INIT(&ws->winlist);
5618                         TAILQ_INIT(&ws->unmanagedlist);
5619
5620                         for (k = 0; layouts[k].l_stack != NULL; k++)
5621                                 if (layouts[k].l_config != NULL)
5622                                         layouts[k].l_config(ws,
5623                                             SWM_ARG_ID_STACKINIT);
5624                         ws->cur_layout = &layouts[0];
5625                 }
5626
5627                 scan_xrandr(i);
5628
5629                 if (xrandr_support)
5630                         XRRSelectInput(display, screens[i].root,
5631                             RRScreenChangeNotifyMask);
5632         }
5633 }
5634
5635 void
5636 setup_globals(void)
5637 {
5638         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
5639             == NULL)
5640                 err(1, "setup_globals: strdup");
5641         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
5642             == NULL)
5643                 err(1, "setup_globals: strdup");
5644         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
5645             == NULL)
5646                 err(1, "setup_globals: strdup");
5647         if ((spawn_term[0] = strdup("xterm")) == NULL)
5648                 err(1, "setup_globals: strdup");
5649         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
5650                 errx(1, "strdup");
5651 }
5652
5653 void
5654 workaround(void)
5655 {
5656         int                     i;
5657         Atom                    netwmcheck, netwmname, utf8_string;
5658         Window                  root, win;
5659
5660         /* work around sun jdk bugs, code from wmname */
5661         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
5662         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
5663         utf8_string = XInternAtom(display, "UTF8_STRING", False);
5664         for (i = 0; i < ScreenCount(display); i++) {
5665                 root = screens[i].root;
5666                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
5667                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
5668                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
5669
5670                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
5671                     PropModeReplace, (unsigned char *)&win,1);
5672                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
5673                     PropModeReplace, (unsigned char *)&win,1);
5674                 XChangeProperty(display, win, netwmname, utf8_string, 8,
5675                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
5676         }
5677 }
5678
5679 int
5680 main(int argc, char *argv[])
5681 {
5682         struct passwd           *pwd;
5683         struct swm_region       *r, *rr;
5684         struct ws_win           *winfocus = NULL;
5685         struct timeval          tv;
5686         union arg               a;
5687         char                    conf[PATH_MAX], *cfile = NULL;
5688         struct stat             sb;
5689         XEvent                  e;
5690         int                     xfd, i;
5691         fd_set                  rd;
5692         struct sigaction        sact;
5693
5694         start_argv = argv;
5695         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
5696             SWM_VERSION, cvstag);
5697         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
5698                 warnx("no locale support");
5699
5700         if (!(display = XOpenDisplay(0)))
5701                 errx(1, "can not open display");
5702
5703         if (active_wm())
5704                 errx(1, "other wm running");
5705
5706         /* handle some signals */
5707         bzero(&sact, sizeof(sact));
5708         sigemptyset(&sact.sa_mask);
5709         sact.sa_flags = 0;
5710         sact.sa_handler = sighdlr;
5711         sigaction(SIGINT, &sact, NULL);
5712         sigaction(SIGQUIT, &sact, NULL);
5713         sigaction(SIGTERM, &sact, NULL);
5714         sigaction(SIGHUP, &sact, NULL);
5715
5716         sact.sa_handler = sighdlr;
5717         sact.sa_flags = SA_NOCLDSTOP;
5718         sigaction(SIGCHLD, &sact, NULL);
5719
5720         astate = XInternAtom(display, "WM_STATE", False);
5721         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
5722         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
5723         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
5724         a_wmname = XInternAtom(display, "WM_NAME", False);
5725         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
5726         a_string = XInternAtom(display, "STRING", False);
5727         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
5728
5729         /* look for local and global conf file */
5730         pwd = getpwuid(getuid());
5731         if (pwd == NULL)
5732                 errx(1, "invalid user %d", getuid());
5733
5734         setup_screens();
5735         setup_globals();
5736         setup_keys();
5737         setup_quirks();
5738         setup_spawn();
5739
5740         /* load config */
5741         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
5742         if (stat(conf, &sb) != -1) {
5743                 if (S_ISREG(sb.st_mode))
5744                         cfile = conf;
5745         } else {
5746                 /* try global conf file */
5747                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
5748                 if (!stat(conf, &sb))
5749                         if (S_ISREG(sb.st_mode))
5750                                 cfile = conf;
5751         }
5752         if (cfile)
5753                 conf_load(cfile);
5754
5755         setup_ewmh();
5756         /* set some values to work around bad programs */
5757         workaround();
5758
5759         /* grab existing windows (before we build the bars) */
5760         grab_windows();
5761
5762         /* setup all bars */
5763         for (i = 0; i < ScreenCount(display); i++)
5764                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
5765                         if (winfocus == NULL)
5766                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
5767                         bar_setup(r);
5768                 }
5769
5770         unfocus_all();
5771
5772         grabkeys();
5773         stack();
5774
5775         xfd = ConnectionNumber(display);
5776         while (running) {
5777                 while (XPending(display)) {
5778                         XNextEvent(display, &e);
5779                         if (running == 0)
5780                                 goto done;
5781                         if (e.type < LASTEvent) {
5782                                 dumpevent(&e);
5783                                 if (handler[e.type])
5784                                         handler[e.type](&e);
5785                                 else
5786                                         DNPRINTF(SWM_D_EVENT,
5787                                             "win: %lu unknown event: %d\n",
5788                                             e.xany.window, e.type);
5789                         } else {
5790                                 switch (e.type - xrandr_eventbase) {
5791                                 case RRScreenChangeNotify:
5792                                         screenchange(&e);
5793                                         break;
5794                                 default:
5795                                         DNPRINTF(SWM_D_EVENT,
5796                                             "win: %lu unknown xrandr event: "
5797                                             "%d\n", e.xany.window, e.type);
5798                                         break;
5799                                 }
5800                         }
5801                 }
5802
5803                 /* if we are being restarted go focus on first window */
5804                 if (winfocus) {
5805                         rr = winfocus->ws->r;
5806                         if (rr == NULL) {
5807                                 /* not a visible window */
5808                                 winfocus = NULL;
5809                                 continue;
5810                         }
5811                         /* move pointer to first screen if multi screen */
5812                         if (ScreenCount(display) > 1 || outputs > 1)
5813                                 XWarpPointer(display, None, rr->s[0].root,
5814                                     0, 0, 0, 0, rr->g.x,
5815                                     rr->g.y + (bar_enabled ? bar_height : 0));
5816
5817                         a.id = SWM_ARG_ID_FOCUSCUR;
5818                         focus(rr, &a);
5819                         winfocus = NULL;
5820                         continue;
5821                 }
5822
5823                 FD_ZERO(&rd);
5824                 FD_SET(xfd, &rd);
5825                 tv.tv_sec = 1;
5826                 tv.tv_usec = 0;
5827                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
5828                         if (errno != EINTR)
5829                                 DNPRINTF(SWM_D_MISC, "select failed");
5830                 if (restart_wm == 1)
5831                         restart(NULL, NULL);
5832                 if (search_resp == 1)
5833                         search_do_resp();
5834                 if (running == 0)
5835                         goto done;
5836                 if (bar_alarm) {
5837                         bar_alarm = 0;
5838                         bar_update();
5839                 }
5840         }
5841 done:
5842         teardown_ewmh();
5843         bar_extra_stop();
5844         XFreeGC(display, bar_gc);
5845         XCloseDisplay(display);
5846
5847         return (0);
5848 }