scrotwm.c

   1 /*
   2  * Copyright (c) 2009-2010-2011 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2010-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   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 =
  55     "$scrotwm$";
  56
  57 #define SWM_VERSION     "0.9.34"
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <err.h>
  62 #include <errno.h>
  63 #include <fcntl.h>
  64 #include <locale.h>
  65 #include <unistd.h>
  66 #include <time.h>
  67 #include <signal.h>
  68 #include <string.h>
  69 #include <util.h>
  70 #include <pwd.h>
  71 #include <paths.h>
  72 #include <ctype.h>
  73
  74 #include <sys/types.h>
  75 #include <sys/time.h>
  76 #include <sys/stat.h>
  77 #include <sys/wait.h>
  78 #include <sys/queue.h>
  79 #include <sys/param.h>
  80 #include <sys/select.h>
  81
  82 #include <X11/cursorfont.h>
  83 #include <X11/keysym.h>
  84 #include <X11/Xatom.h>
  85 #include <X11/Xlib.h>
  86 #include <X11/Xproto.h>
  87 #include <X11/Xutil.h>
  88 #include <X11/extensions/Xrandr.h>
  89 #include <X11/extensions/XTest.h>
  90
  91 #ifdef __OSX__
  92 #include <osx.h>
  93 #endif
  94
  95 #if RANDR_MAJOR < 1
  96 #  error XRandR versions less than 1.0 are not supported
  97 #endif
  98
  99 #if RANDR_MAJOR >= 1
 100 #if RANDR_MINOR >= 2
 101 #define SWM_XRR_HAS_CRTC
 102 #endif
 103 #endif
 104
 105 /*#define SWM_DEBUG*/
 106 #ifdef SWM_DEBUG
 107 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 108 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 109 #define SWM_D_MISC              0x0001
 110 #define SWM_D_EVENT             0x0002
 111 #define SWM_D_WS                0x0004
 112 #define SWM_D_FOCUS             0x0008
 113 #define SWM_D_MOVE              0x0010
 114 #define SWM_D_STACK             0x0020
 115 #define SWM_D_MOUSE             0x0040
 116 #define SWM_D_PROP              0x0080
 117 #define SWM_D_CLASS             0x0100
 118 #define SWM_D_KEY               0x0200
 119 #define SWM_D_QUIRK             0x0400
 120 #define SWM_D_SPAWN             0x0800
 121 #define SWM_D_EVENTQ            0x1000
 122 #define SWM_D_CONF              0x2000
 123
 124 u_int32_t               swm_debug = 0
 125                             | SWM_D_MISC
 126                             | SWM_D_EVENT
 127                             | SWM_D_WS
 128                             | SWM_D_FOCUS
 129                             | SWM_D_MOVE
 130                             | SWM_D_STACK
 131                             | SWM_D_MOUSE
 132                             | SWM_D_PROP
 133                             | SWM_D_CLASS
 134                             | SWM_D_KEY
 135                             | SWM_D_QUIRK
 136                             | SWM_D_SPAWN
 137                             | SWM_D_EVENTQ
 138                             | SWM_D_CONF
 139                             ;
 140 #else
 141 #define DPRINTF(x...)
 142 #define DNPRINTF(n,x...)
 143 #endif
 144
 145 #define LENGTH(x)               (sizeof x / sizeof x[0])
 146 #define MODKEY                  Mod1Mask
 147 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 148 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 149 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 150 #define SWM_PROPLEN             (16)
 151 #define SWM_FUNCNAME_LEN        (32)
 152 #define SWM_KEYS_LEN            (255)
 153 #define SWM_QUIRK_LEN           (64)
 154 #define X(r)                    (r)->g.x
 155 #define Y(r)                    (r)->g.y
 156 #define WIDTH(r)                (r)->g.w
 157 #define HEIGHT(r)               (r)->g.h
 158 #define SWM_MAX_FONT_STEPS      (3)
 159 #define WINID(w)                (w ? w->id : 0)
 160
 161 #define SWM_FOCUS_DEFAULT       (0)
 162 #define SWM_FOCUS_SYNERGY       (1)
 163 #define SWM_FOCUS_FOLLOW        (2)
 164
 165 #define SWM_CONF_DEFAULT        (0)
 166 #define SWM_CONF_KEYMAPPING     (1)
 167
 168 #ifndef SWM_LIB
 169 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 170 #endif
 171
 172 char                    **start_argv;
 173 Atom                    astate;
 174 Atom                    aprot;
 175 Atom                    adelete;
 176 Atom                    takefocus;
 177 Atom                    a_wmname;
 178 Atom                    a_utf8_string;
 179 Atom                    a_string;
 180 Atom                    a_swm_iconic;
 181 volatile sig_atomic_t   running = 1;
 182 volatile sig_atomic_t   restart_wm = 0;
 183 int                     outputs = 0;
 184 int                     last_focus_event = FocusOut;
 185 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 186 int                     other_wm;
 187 int                     ss_enabled = 0;
 188 int                     xrandr_support;
 189 int                     xrandr_eventbase;
 190 unsigned int            numlockmask = 0;
 191 Display                 *display;
 192
 193 int                     cycle_empty = 0;
 194 int                     cycle_visible = 0;
 195 int                     term_width = 0;
 196 int                     font_adjusted = 0;
 197 unsigned int            mod_key = MODKEY;
 198
 199 /* dmenu search */
 200 struct swm_region       *search_r;
 201 int                     select_list_pipe[2];
 202 int                     select_resp_pipe[2];
 203 pid_t                   searchpid;
 204 volatile sig_atomic_t   search_resp;
 205
 206 /* dialog windows */
 207 double                  dialog_ratio = .6;
 208 /* status bar */
 209 #define SWM_BAR_MAX     (256)
 210 char                    *bar_argv[] = { NULL, NULL };
 211 int                     bar_pipe[2];
 212 char                    bar_ext[SWM_BAR_MAX];
 213 char                    bar_vertext[SWM_BAR_MAX];
 214 int                     bar_version = 0;
 215 sig_atomic_t            bar_alarm = 0;
 216 int                     bar_delay = 30;
 217 int                     bar_enabled = 1;
 218 int                     bar_border_width = 1;
 219 int                     bar_at_bottom = 0;
 220 int                     bar_extra = 1;
 221 int                     bar_extra_running = 0;
 222 int                     bar_verbose = 1;
 223 int                     bar_height = 0;
 224 int                     stack_enabled = 1;
 225 int                     clock_enabled = 1;
 226 int                     urgent_enabled = 0;
 227 char                    *clock_format = NULL;
 228 int                     title_name_enabled = 0;
 229 int                     title_class_enabled = 0;
 230 int                     window_name_enabled = 0;
 231 int                     focus_mode = SWM_FOCUS_DEFAULT;
 232 int                     disable_border = 0;
 233 int                     border_width = 1;
 234 int                     verbose_layout = 0;
 235 pid_t                   bar_pid;
 236 GC                      bar_gc;
 237 XGCValues               bar_gcv;
 238 int                     bar_fidx = 0;
 239 XFontStruct             *bar_fs;
 240 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 241 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 242 struct passwd           *pwd;
 243
 244 #define SWM_MENU_FN     (2)
 245 #define SWM_MENU_NB     (4)
 246 #define SWM_MENU_NF     (6)
 247 #define SWM_MENU_SB     (8)
 248 #define SWM_MENU_SF     (10)
 249
 250 /* layout manager data */
 251 struct swm_geometry {
 252         int                     x;
 253         int                     y;
 254         int                     w;
 255         int                     h;
 256 };
 257
 258 struct swm_screen;
 259 struct workspace;
 260
 261 /* virtual "screens" */
 262 struct swm_region {
 263         TAILQ_ENTRY(swm_region) entry;
 264         struct swm_geometry     g;
 265         struct workspace        *ws;    /* current workspace on this region */
 266         struct workspace        *ws_prior; /* prior workspace on this region */
 267         struct swm_screen       *s;     /* screen idx */
 268         Window                  bar_window;
 269 };
 270 TAILQ_HEAD(swm_region_list, swm_region);
 271
 272 struct ws_win {
 273         TAILQ_ENTRY(ws_win)     entry;
 274         Window                  id;
 275         Window                  transient;
 276         struct ws_win           *child_trans;   /* transient child window */
 277         struct swm_geometry     g;              /* current geometry */
 278         struct swm_geometry     g_float;        /* geometry when floating */
 279         struct swm_geometry     rg_float;       /* region geom when floating */
 280         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 281         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 282         int                     floating;
 283         int                     manual;
 284         int                     iconic;
 285         unsigned int            ewmh_flags;
 286         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 287         int                     font_steps;
 288         int                     last_inc;
 289         int                     can_delete;
 290         int                     take_focus;
 291         int                     java;
 292         unsigned long           quirks;
 293         struct workspace        *ws;    /* always valid */
 294         struct swm_screen       *s;     /* always valid, never changes */
 295         XWindowAttributes       wa;
 296         XSizeHints              sh;
 297         XClassHint              ch;
 298         XWMHints                *hints;
 299 };
 300 TAILQ_HEAD(ws_win_list, ws_win);
 301
 302 /* pid goo */
 303 struct pid_e {
 304         TAILQ_ENTRY(pid_e)      entry;
 305         long                    pid;
 306         int                     ws;
 307 };
 308 TAILQ_HEAD(pid_list, pid_e);
 309 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 310
 311 /* layout handlers */
 312 void    stack(void);
 313 void    vertical_config(struct workspace *, int);
 314 void    vertical_stack(struct workspace *, struct swm_geometry *);
 315 void    horizontal_config(struct workspace *, int);
 316 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 317 void    max_stack(struct workspace *, struct swm_geometry *);
 318 void    plain_stacker(struct workspace *);
 319 void    fancy_stacker(struct workspace *);
 320
 321 struct ws_win *find_window(Window);
 322
 323 void    grabbuttons(struct ws_win *, int);
 324 void    new_region(struct swm_screen *, int, int, int, int);
 325 void    unmanage_window(struct ws_win *);
 326 long    getstate(Window);
 327
 328 int     conf_load(char *, int);
 329
 330 struct layout {
 331         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 332         void            (*l_config)(struct workspace *, int);
 333         u_int32_t       flags;
 334 #define SWM_L_FOCUSPREV         (1<<0)
 335 #define SWM_L_MAPONFOCUS        (1<<1)
 336         void            (*l_string)(struct workspace *);
 337 } layouts[] =  {
 338         /* stack,               configure */
 339         { vertical_stack,       vertical_config,        0,      plain_stacker },
 340         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 341         { max_stack,            NULL,
 342           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 343         { NULL,                 NULL,                   0,      NULL  },
 344 };
 345
 346 /* position of max_stack mode in the layouts array, index into layouts! */
 347 #define SWM_V_STACK             (0)
 348 #define SWM_H_STACK             (1)
 349 #define SWM_MAX_STACK           (2)
 350
 351 #define SWM_H_SLICE             (32)
 352 #define SWM_V_SLICE             (32)
 353
 354 /* define work spaces */
 355 struct workspace {
 356         int                     idx;            /* workspace index */
 357         int                     always_raise;   /* raise windows on focus */
 358         struct layout           *cur_layout;    /* current layout handlers */
 359         struct ws_win           *focus;         /* may be NULL */
 360         struct ws_win           *focus_prev;    /* may be NULL */
 361         struct swm_region       *r;             /* may be NULL */
 362         struct swm_region       *old_r;         /* may be NULL */
 363         struct ws_win_list      winlist;        /* list of windows in ws */
 364         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 365         char                    stacker[10];    /* display stacker and layout */
 366
 367         /* stacker state */
 368         struct {
 369                                 int horizontal_msize;
 370                                 int horizontal_mwin;
 371                                 int horizontal_stacks;
 372                                 int vertical_msize;
 373                                 int vertical_mwin;
 374                                 int vertical_stacks;
 375         } l_state;
 376 };
 377
 378 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 379           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 380
 381 /* physical screen mapping */
 382 #define SWM_WS_MAX              (10)
 383 struct swm_screen {
 384         int                     idx;    /* screen index */
 385         struct swm_region_list  rl;     /* list of regions on this screen */
 386         struct swm_region_list  orl;    /* list of old regions */
 387         Window                  root;
 388         struct workspace        ws[SWM_WS_MAX];
 389
 390         /* colors */
 391         struct {
 392                 unsigned long   color;
 393                 char            *name;
 394         } c[SWM_S_COLOR_MAX];
 395 };
 396 struct swm_screen       *screens;
 397 int                     num_screens;
 398
 399 /* args to functions */
 400 union arg {
 401         int                     id;
 402 #define SWM_ARG_ID_FOCUSNEXT    (0)
 403 #define SWM_ARG_ID_FOCUSPREV    (1)
 404 #define SWM_ARG_ID_FOCUSMAIN    (2)
 405 #define SWM_ARG_ID_FOCUSCUR     (4)
 406 #define SWM_ARG_ID_SWAPNEXT     (10)
 407 #define SWM_ARG_ID_SWAPPREV     (11)
 408 #define SWM_ARG_ID_SWAPMAIN     (12)
 409 #define SWM_ARG_ID_MOVELAST     (13)
 410 #define SWM_ARG_ID_MASTERSHRINK (20)
 411 #define SWM_ARG_ID_MASTERGROW   (21)
 412 #define SWM_ARG_ID_MASTERADD    (22)
 413 #define SWM_ARG_ID_MASTERDEL    (23)
 414 #define SWM_ARG_ID_STACKRESET   (30)
 415 #define SWM_ARG_ID_STACKINIT    (31)
 416 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 417 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 418 #define SWM_ARG_ID_CYCLESC_UP   (42)
 419 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 420 #define SWM_ARG_ID_STACKINC     (50)
 421 #define SWM_ARG_ID_STACKDEC     (51)
 422 #define SWM_ARG_ID_SS_ALL       (60)
 423 #define SWM_ARG_ID_SS_WINDOW    (61)
 424 #define SWM_ARG_ID_DONTCENTER   (70)
 425 #define SWM_ARG_ID_CENTER       (71)
 426 #define SWM_ARG_ID_KILLWINDOW   (80)
 427 #define SWM_ARG_ID_DELETEWINDOW (81)
 428 #define SWM_ARG_ID_WIDTHGROW    (90)
 429 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 430 #define SWM_ARG_ID_HEIGHTGROW   (92)
 431 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 432 #define SWM_ARG_ID_MOVEUP       (100)
 433 #define SWM_ARG_ID_MOVEDOWN     (101)
 434 #define SWM_ARG_ID_MOVELEFT     (102)
 435 #define SWM_ARG_ID_MOVERIGHT    (103)
 436         char                    **argv;
 437 };
 438
 439 void    focus(struct swm_region *, union arg *);
 440 void    focus_magic(struct ws_win *);
 441
 442 /* quirks */
 443 struct quirk {
 444         char                    *class;
 445         char                    *name;
 446         unsigned long           quirk;
 447 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 448 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 449 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 450 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 451 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 452 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 453 };
 454 int                             quirks_size = 0, quirks_length = 0;
 455 struct quirk                    *quirks = NULL;
 456
 457 /*
 458  * Supported EWMH hints should be added to
 459  * both the enum and the ewmh array
 460  */
 461 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 462     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 463     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 464     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 465     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 466     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 467     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 468     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 469     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 470     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 471     SWM_EWMH_HINT_MAX };
 472
 473 struct ewmh_hint {
 474         char    *name;
 475         Atom     atom;
 476 } ewmh[SWM_EWMH_HINT_MAX] =     {
 477     /* must be in same order as in the enum */
 478     {"_NET_ACTIVE_WINDOW", None},
 479     {"_NET_MOVERESIZE_WINDOW", None},
 480     {"_NET_CLOSE_WINDOW", None},
 481     {"_NET_WM_WINDOW_TYPE", None},
 482     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 483     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 484     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 485     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 486     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 487     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 488     {"_NET_WM_STATE", None},
 489     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 490     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 491     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 492     {"_NET_WM_STATE_SKIP_PAGER", None},
 493     {"_NET_WM_STATE_HIDDEN", None},
 494     {"_NET_WM_STATE_ABOVE", None},
 495     {"_SWM_WM_STATE_MANUAL", None},
 496     {"_NET_WM_STATE_FULLSCREEN", None},
 497     {"_NET_WM_ALLOWED_ACTIONS", None},
 498     {"_NET_WM_ACTION_MOVE", None},
 499     {"_NET_WM_ACTION_RESIZE", None},
 500     {"_NET_WM_ACTION_FULLSCREEN", None},
 501     {"_NET_WM_ACTION_CLOSE", None},
 502 };
 503
 504 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 505 int     floating_toggle_win(struct ws_win *win);
 506 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 507
 508 int
 509 get_property(Window id, Atom atom, long count, Atom type,
 510     unsigned long *n, unsigned char **data)
 511 {
 512         int                     format, status;
 513         unsigned long           tmp, extra;
 514         unsigned long           *nitems;
 515         Atom                    real;
 516
 517         nitems = n != NULL ? n : &tmp;
 518         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 519             &real, &format, nitems, &extra, data);
 520
 521         if (status != Success)
 522                 return False;
 523         if (real != type)
 524                 return False;
 525
 526         return True;
 527 }
 528
 529 void
 530 update_iconic(struct ws_win *win, int newv)
 531 {
 532         int32_t v = newv;
 533         Atom iprop;
 534
 535         win->iconic = newv;
 536
 537         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 538         if (!iprop)
 539                 return;
 540         if (newv)
 541                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 542                     PropModeReplace, (unsigned char *)&v, 1);
 543         else
 544                 XDeleteProperty(display, win->id, iprop);
 545 }
 546
 547 int
 548 get_iconic(struct ws_win *win)
 549 {
 550         int32_t v = 0;
 551         int retfmt, status;
 552         Atom iprop, rettype;
 553         unsigned long nitems, extra;
 554         unsigned char *prop = NULL;
 555
 556         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 557         if (!iprop)
 558                 goto out;
 559         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 560             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 561         if (status != Success)
 562                 goto out;
 563         if (rettype != XA_INTEGER || retfmt != 32)
 564                 goto out;
 565         if (nitems != 1)
 566                 goto out;
 567         v = *((int32_t *)prop);
 568
 569 out:
 570         if (prop != NULL)
 571                 XFree(prop);
 572         return (v);
 573 }
 574
 575 void
 576 setup_ewmh(void)
 577 {
 578         int                     i,j;
 579         Atom                    sup_list;
 580
 581         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 582
 583         for (i = 0; i < LENGTH(ewmh); i++)
 584                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 585
 586         for (i = 0; i < ScreenCount(display); i++) {
 587                 /* Support check window will be created by workaround(). */
 588
 589                 /* Report supported atoms */
 590                 XDeleteProperty(display, screens[i].root, sup_list);
 591                 for (j = 0; j < LENGTH(ewmh); j++)
 592                         XChangeProperty(display, screens[i].root,
 593                             sup_list, XA_ATOM, 32,
 594                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 595         }
 596 }
 597
 598 void
 599 teardown_ewmh(void)
 600 {
 601         int                     i, success;
 602         unsigned char           *data = NULL;
 603         unsigned long           n;
 604         Atom                    sup_check, sup_list;
 605         Window                  id;
 606
 607         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 608         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 609
 610         for (i = 0; i < ScreenCount(display); i++) {
 611                 /* Get the support check window and destroy it */
 612                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 613                     &n, &data);
 614
 615                 if (success) {
 616                         id = data[0];
 617                         XDestroyWindow(display, id);
 618                         XDeleteProperty(display, screens[i].root, sup_check);
 619                         XDeleteProperty(display, screens[i].root, sup_list);
 620                 }
 621
 622                 XFree(data);
 623         }
 624 }
 625
 626 void
 627 ewmh_autoquirk(struct ws_win *win)
 628 {
 629         int                     success, i;
 630         unsigned long           *data = NULL, n;
 631         Atom                    type;
 632
 633         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 634             XA_ATOM, &n, (void *)&data);
 635
 636         if (!success) {
 637                 XFree(data);
 638                 return;
 639         }
 640
 641         for (i = 0; i < n; i++) {
 642                 type = data[i];
 643                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 644                         break;
 645                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 646                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 647                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 648                         win->floating = 1;
 649                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 650                         break;
 651                 }
 652                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 653                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 654                         win->floating = 1;
 655                         win->quirks = SWM_Q_FLOAT;
 656                         break;
 657                 }
 658         }
 659
 660         XFree(data);
 661 }
 662
 663 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 664 #define EWMH_F_FULLSCREEN               (1<<0)
 665 #define EWMH_F_ABOVE                    (1<<1)
 666 #define EWMH_F_HIDDEN                   (1<<2)
 667 #define EWMH_F_SKIP_PAGER               (1<<3)
 668 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 669 #define SWM_F_MANUAL                    (1<<5)
 670
 671 int
 672 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 673 {
 674         struct swm_geometry     rg;
 675
 676         if (!win->ws->r)
 677                 return 0;
 678
 679         if (!win->floating)
 680                 return 0;
 681
 682         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 683             win->id, fs);
 684
 685         rg = win->ws->r->g;
 686
 687         if (fs) {
 688                 store_float_geom(win, win->ws->r);
 689
 690                 win->g.x = rg.x;
 691                 win->g.y = rg.y;
 692                 win->g.w = rg.w;
 693                 win->g.h = rg.h;
 694         } else {
 695                 if (win->g_floatvalid) {
 696                         /* refloat at last floating relative position */
 697                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 698                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 699                         win->g.w = win->g_float.w;
 700                         win->g.h = win->g_float.h;
 701                 }
 702         }
 703
 704         return 1;
 705 }
 706
 707 void
 708 ewmh_update_actions(struct ws_win *win)
 709 {
 710         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 711         int                     n = 0;
 712
 713         if (win == NULL)
 714                 return;
 715
 716         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 717
 718         if (win->floating) {
 719                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 720                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 721         }
 722
 723         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 724             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 725 }
 726
 727 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 728 #define _NET_WM_STATE_ADD       1    /* add/set property */
 729 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 730
 731 void
 732 ewmh_update_win_state(struct ws_win *win, long state, long action)
 733 {
 734         unsigned int            mask = 0;
 735         unsigned int            changed = 0;
 736         unsigned int            orig_flags;
 737
 738         if (win == NULL)
 739                 return;
 740
 741         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 742                 mask = EWMH_F_FULLSCREEN;
 743         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 744                 mask = EWMH_F_ABOVE;
 745         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 746                 mask = SWM_F_MANUAL;
 747         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 748                 mask = EWMH_F_SKIP_PAGER;
 749         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 750                 mask = EWMH_F_SKIP_TASKBAR;
 751
 752
 753         orig_flags = win->ewmh_flags;
 754
 755         switch (action) {
 756         case _NET_WM_STATE_REMOVE:
 757                 win->ewmh_flags &= ~mask;
 758                 break;
 759         case _NET_WM_STATE_ADD:
 760                 win->ewmh_flags |= mask;
 761                 break;
 762         case _NET_WM_STATE_TOGGLE:
 763                 win->ewmh_flags ^= mask;
 764                 break;
 765         }
 766
 767         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 768
 769         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 770                 if (changed)
 771                         if (!floating_toggle_win(win))
 772                                 win->ewmh_flags = orig_flags; /* revert */
 773         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 774                 if (changed)
 775                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 776         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 777                 if (changed)
 778                         if (!ewmh_set_win_fullscreen(win,
 779                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 780                                 win->ewmh_flags = orig_flags; /* revert */
 781
 782         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 783
 784         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 785                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 786                     XA_ATOM, 32, PropModeAppend,
 787                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 788         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 789                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 790                     XA_ATOM, 32, PropModeAppend,
 791                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 792         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 793                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 794                     XA_ATOM, 32, PropModeAppend,
 795                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 796         if (win->ewmh_flags & EWMH_F_ABOVE)
 797                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 798                     XA_ATOM, 32, PropModeAppend,
 799                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 800         if (win->ewmh_flags & SWM_F_MANUAL)
 801                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 802                     XA_ATOM, 32, PropModeAppend,
 803                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 804 }
 805
 806 void
 807 ewmh_get_win_state(struct ws_win *win)
 808 {
 809         int                     success, i;
 810         unsigned long           n;
 811         Atom                    *states;
 812
 813         if (win == NULL)
 814                 return;
 815
 816         win->ewmh_flags = 0;
 817         if (win->floating)
 818                 win->ewmh_flags |= EWMH_F_ABOVE;
 819         if (win->manual)
 820                 win->ewmh_flags |= SWM_F_MANUAL;
 821
 822         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 823             (~0L), XA_ATOM, &n, (void *)&states);
 824
 825         if (!success)
 826                 return;
 827
 828         for (i = 0; i < n; i++)
 829                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 830
 831         XFree(states);
 832 }
 833
 834 /* events */
 835 #ifdef SWM_DEBUG
 836 void
 837 dumpevent(XEvent *e)
 838 {
 839         char                    *name = NULL;
 840
 841         switch (e->type) {
 842         case KeyPress:
 843                 name = "KeyPress";
 844                 break;
 845         case KeyRelease:
 846                 name = "KeyRelease";
 847                 break;
 848         case ButtonPress:
 849                 name = "ButtonPress";
 850                 break;
 851         case ButtonRelease:
 852                 name = "ButtonRelease";
 853                 break;
 854         case MotionNotify:
 855                 name = "MotionNotify";
 856                 break;
 857         case EnterNotify:
 858                 name = "EnterNotify";
 859                 break;
 860         case LeaveNotify:
 861                 name = "LeaveNotify";
 862                 break;
 863         case FocusIn:
 864                 name = "FocusIn";
 865                 break;
 866         case FocusOut:
 867                 name = "FocusOut";
 868                 break;
 869         case KeymapNotify:
 870                 name = "KeymapNotify";
 871                 break;
 872         case Expose:
 873                 name = "Expose";
 874                 break;
 875         case GraphicsExpose:
 876                 name = "GraphicsExpose";
 877                 break;
 878         case NoExpose:
 879                 name = "NoExpose";
 880                 break;
 881         case VisibilityNotify:
 882                 name = "VisibilityNotify";
 883                 break;
 884         case CreateNotify:
 885                 name = "CreateNotify";
 886                 break;
 887         case DestroyNotify:
 888                 name = "DestroyNotify";
 889                 break;
 890         case UnmapNotify:
 891                 name = "UnmapNotify";
 892                 break;
 893         case MapNotify:
 894                 name = "MapNotify";
 895                 break;
 896         case MapRequest:
 897                 name = "MapRequest";
 898                 break;
 899         case ReparentNotify:
 900                 name = "ReparentNotify";
 901                 break;
 902         case ConfigureNotify:
 903                 name = "ConfigureNotify";
 904                 break;
 905         case ConfigureRequest:
 906                 name = "ConfigureRequest";
 907                 break;
 908         case GravityNotify:
 909                 name = "GravityNotify";
 910                 break;
 911         case ResizeRequest:
 912                 name = "ResizeRequest";
 913                 break;
 914         case CirculateNotify:
 915                 name = "CirculateNotify";
 916                 break;
 917         case CirculateRequest:
 918                 name = "CirculateRequest";
 919                 break;
 920         case PropertyNotify:
 921                 name = "PropertyNotify";
 922                 break;
 923         case SelectionClear:
 924                 name = "SelectionClear";
 925                 break;
 926         case SelectionRequest:
 927                 name = "SelectionRequest";
 928                 break;
 929         case SelectionNotify:
 930                 name = "SelectionNotify";
 931                 break;
 932         case ColormapNotify:
 933                 name = "ColormapNotify";
 934                 break;
 935         case ClientMessage:
 936                 name = "ClientMessage";
 937                 break;
 938         case MappingNotify:
 939                 name = "MappingNotify";
 940                 break;
 941         }
 942
 943         if (name)
 944                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 945                     "remaining\n",
 946                     e->xany.window, name, e->type, QLength(display));
 947         else
 948                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 949                     "remaining\n",
 950                     e->xany.window, e->type, QLength(display));
 951 }
 952
 953 void
 954 dumpwins(struct swm_region *r, union arg *args)
 955 {
 956         struct ws_win           *win;
 957         unsigned int            state;
 958         XWindowAttributes       wa;
 959
 960         if (r->ws == NULL) {
 961                 fprintf(stderr, "invalid workspace\n");
 962                 return;
 963         }
 964
 965         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 966
 967         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 968                 state = getstate(win->id);
 969                 if (!XGetWindowAttributes(display, win->id, &wa))
 970                         fprintf(stderr, "window: %lu failed "
 971                             "XGetWindowAttributes\n", win->id);
 972                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 973                     "transient: %lu\n",
 974                     win->id, wa.map_state, state, win->transient);
 975         }
 976
 977         fprintf(stderr, "===== unmanaged window list =====\n");
 978         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 979                 state = getstate(win->id);
 980                 if (!XGetWindowAttributes(display, win->id, &wa))
 981                         fprintf(stderr, "window: %lu failed "
 982                             "XGetWindowAttributes\n", win->id);
 983                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 984                     "transient: %lu\n",
 985                     win->id, wa.map_state, state, win->transient);
 986         }
 987
 988         fprintf(stderr, "=================================\n");
 989 }
 990 #else
 991 #define dumpevent(e)
 992 void
 993 dumpwins(struct swm_region *r, union arg *args)
 994 {
 995 }
 996 #endif /* SWM_DEBUG */
 997
 998 void                    expose(XEvent *);
 999 void                    keypress(XEvent *);
1000 void                    buttonpress(XEvent *);
1001 void                    configurerequest(XEvent *);
1002 void                    configurenotify(XEvent *);
1003 void                    destroynotify(XEvent *);
1004 void                    enternotify(XEvent *);
1005 void                    focusevent(XEvent *);
1006 void                    mapnotify(XEvent *);
1007 void                    mappingnotify(XEvent *);
1008 void                    maprequest(XEvent *);
1009 void                    propertynotify(XEvent *);
1010 void                    unmapnotify(XEvent *);
1011 void                    visibilitynotify(XEvent *);
1012 void                    clientmessage(XEvent *);
1013
1014 void                    (*handler[LASTEvent])(XEvent *) = {
1015                                 [Expose] = expose,
1016                                 [KeyPress] = keypress,
1017                                 [ButtonPress] = buttonpress,
1018                                 [ConfigureRequest] = configurerequest,
1019                                 [ConfigureNotify] = configurenotify,
1020                                 [DestroyNotify] = destroynotify,
1021                                 [EnterNotify] = enternotify,
1022                                 [FocusIn] = focusevent,
1023                                 [FocusOut] = focusevent,
1024                                 [MapNotify] = mapnotify,
1025                                 [MappingNotify] = mappingnotify,
1026                                 [MapRequest] = maprequest,
1027                                 [PropertyNotify] = propertynotify,
1028                                 [UnmapNotify] = unmapnotify,
1029                                 [VisibilityNotify] = visibilitynotify,
1030                                 [ClientMessage] = clientmessage,
1031 };
1032
1033 void
1034 sighdlr(int sig)
1035 {
1036         int                     saved_errno, status;
1037         pid_t                   pid;
1038
1039         saved_errno = errno;
1040
1041         switch (sig) {
1042         case SIGCHLD:
1043                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1044                         if (pid == -1) {
1045                                 if (errno == EINTR)
1046                                         continue;
1047 #ifdef SWM_DEBUG
1048                                 if (errno != ECHILD)
1049                                         warn("sighdlr: waitpid");
1050 #endif /* SWM_DEBUG */
1051                                 break;
1052                         }
1053                         if (pid == searchpid)
1054                                 search_resp = 1;
1055
1056 #ifdef SWM_DEBUG
1057                         if (WIFEXITED(status)) {
1058                                 if (WEXITSTATUS(status) != 0)
1059                                         warnx("sighdlr: child exit status: %d",
1060                                             WEXITSTATUS(status));
1061                         } else
1062                                 warnx("sighdlr: child is terminated "
1063                                     "abnormally");
1064 #endif /* SWM_DEBUG */
1065                 }
1066                 break;
1067
1068         case SIGHUP:
1069                 restart_wm = 1;
1070                 break;
1071         case SIGINT:
1072         case SIGTERM:
1073         case SIGQUIT:
1074                 running = 0;
1075                 break;
1076         }
1077
1078         errno = saved_errno;
1079 }
1080
1081 struct pid_e *
1082 find_pid(long pid)
1083 {
1084         struct pid_e            *p = NULL;
1085
1086         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1087
1088         if (pid == 0)
1089                 return (NULL);
1090
1091         TAILQ_FOREACH(p, &pidlist, entry) {
1092                 if (p->pid == pid)
1093                         return (p);
1094         }
1095
1096         return (NULL);
1097 }
1098
1099 unsigned long
1100 name_to_color(char *colorname)
1101 {
1102         Colormap                cmap;
1103         Status                  status;
1104         XColor                  screen_def, exact_def;
1105         unsigned long           result = 0;
1106         char                    cname[32] = "#";
1107
1108         cmap = DefaultColormap(display, screens[0].idx);
1109         status = XAllocNamedColor(display, cmap, colorname,
1110             &screen_def, &exact_def);
1111         if (!status) {
1112                 strlcat(cname, colorname + 2, sizeof cname - 1);
1113                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1114                     &exact_def);
1115         }
1116         if (status)
1117                 result = screen_def.pixel;
1118         else
1119                 fprintf(stderr, "color '%s' not found.\n", colorname);
1120
1121         return (result);
1122 }
1123
1124 void
1125 setscreencolor(char *val, int i, int c)
1126 {
1127         if (i > 0 && i <= ScreenCount(display)) {
1128                 screens[i - 1].c[c].color = name_to_color(val);
1129                 free(screens[i - 1].c[c].name);
1130                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1131                         errx(1, "strdup");
1132         } else if (i == -1) {
1133                 for (i = 0; i < ScreenCount(display); i++) {
1134                         screens[i].c[c].color = name_to_color(val);
1135                         free(screens[i].c[c].name);
1136                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1137                                 errx(1, "strdup");
1138                 }
1139         } else
1140                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1141                     i, ScreenCount(display));
1142 }
1143
1144 void
1145 fancy_stacker(struct workspace *ws)
1146 {
1147         strcpy(ws->stacker, "[   ]");
1148         if (ws->cur_layout->l_stack == vertical_stack)
1149                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1150                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1151         if (ws->cur_layout->l_stack == horizontal_stack)
1152                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1153                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1154 }
1155
1156 void
1157 plain_stacker(struct workspace *ws)
1158 {
1159         strcpy(ws->stacker, "[ ]");
1160         if (ws->cur_layout->l_stack == vertical_stack)
1161                 strcpy(ws->stacker, "[|]");
1162         if (ws->cur_layout->l_stack == horizontal_stack)
1163                 strcpy(ws->stacker, "[-]");
1164 }
1165
1166 void
1167 custom_region(char *val)
1168 {
1169         unsigned int                    sidx, x, y, w, h;
1170
1171         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1172                 errx(1, "invalid custom region, "
1173                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1174         if (sidx < 1 || sidx > ScreenCount(display))
1175                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1176                     sidx, ScreenCount(display));
1177         sidx--;
1178
1179         if (w < 1 || h < 1)
1180                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1181
1182         if (x > DisplayWidth(display, sidx) ||
1183             y > DisplayHeight(display, sidx) ||
1184             w + x > DisplayWidth(display, sidx) ||
1185             h + y > DisplayHeight(display, sidx)) {
1186                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1187                     "- not within screen boundaries "
1188                     "(%ux%u)\n", w, h, x, y,
1189                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1190                 return;
1191         }
1192
1193         new_region(&screens[sidx], x, y, w, h);
1194 }
1195
1196 void
1197 socket_setnonblock(int fd)
1198 {
1199         int                     flags;
1200
1201         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1202                 err(1, "fcntl F_GETFL");
1203         flags |= O_NONBLOCK;
1204         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1205                 err(1, "fcntl F_SETFL");
1206 }
1207
1208 void
1209 bar_print(struct swm_region *r, char *s)
1210 {
1211         XClearWindow(display, r->bar_window);
1212         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1213         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1214             strlen(s));
1215 }
1216
1217 void
1218 bar_extra_stop(void)
1219 {
1220         if (bar_pipe[0]) {
1221                 close(bar_pipe[0]);
1222                 bzero(bar_pipe, sizeof bar_pipe);
1223         }
1224         if (bar_pid) {
1225                 kill(bar_pid, SIGTERM);
1226                 bar_pid = 0;
1227         }
1228         strlcpy(bar_ext, "", sizeof bar_ext);
1229         bar_extra = 0;
1230 }
1231
1232 void
1233 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1234 {
1235         int                     do_class, do_name;
1236         Status                  status;
1237         XClassHint              *xch = NULL;
1238
1239         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1240             cur_focus != NULL) {
1241                 if ((xch = XAllocClassHint()) == NULL)
1242                         goto out;
1243                 status = XGetClassHint(display, cur_focus->id, xch);
1244                 if (status == BadWindow || status == BadAlloc)
1245                         goto out;
1246                 do_class = (title_class_enabled && xch->res_class != NULL);
1247                 do_name = (title_name_enabled && xch->res_name != NULL);
1248                 if (do_class)
1249                         strlcat(s, xch->res_class, sz);
1250                 if (do_class && do_name)
1251                         strlcat(s, ":", sz);
1252                 if (do_name)
1253                         strlcat(s, xch->res_name, sz);
1254                 strlcat(s, "    ", sz);
1255         }
1256 out:
1257         if (xch)
1258                 XFree(xch);
1259 }
1260
1261 void
1262 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1263 {
1264         char                    *title;
1265
1266         if (window_name_enabled && cur_focus != NULL) {
1267                 XFetchName(display, cur_focus->id, &title);
1268                 if (title) {
1269                         if (cur_focus->floating)
1270                                 strlcat(s, "(f) ", sz);
1271                         strlcat(s, title, sz);
1272                         strlcat(s, " ", sz);
1273                         XFree(title);
1274                 }
1275         }
1276 }
1277
1278 int             urgent[SWM_WS_MAX];
1279 void
1280 bar_urgent(char *s, ssize_t sz)
1281 {
1282         XWMHints                *wmh = NULL;
1283         struct ws_win           *win;
1284         int                     i, j;
1285         char                    b[8];
1286
1287         if (urgent_enabled == 0)
1288                 return;
1289
1290         for (i = 0; i < SWM_WS_MAX; i++)
1291                 urgent[i] = 0;
1292
1293         for (i = 0; i < ScreenCount(display); i++)
1294                 for (j = 0; j < SWM_WS_MAX; j++)
1295                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1296                                 wmh = XGetWMHints(display, win->id);
1297                                 if (wmh == NULL)
1298                                         continue;
1299
1300                                 if (wmh->flags & XUrgencyHint)
1301                                         urgent[j] = 1;
1302                                 XFree(wmh);
1303                         }
1304
1305         strlcat(s, "* ", sz);
1306         for (i = 0; i < SWM_WS_MAX; i++) {
1307                 if (urgent[i])
1308                         snprintf(b, sizeof b, "%d ", i + 1);
1309                 else
1310                         snprintf(b, sizeof b, "- ");
1311                 strlcat(s, b, sz);
1312         }
1313         strlcat(s, "*    ", sz);
1314 }
1315
1316 void
1317 bar_update(void)
1318 {
1319         time_t                  tmt;
1320         struct tm               tm;
1321         struct swm_region       *r;
1322         int                     i, x;
1323         size_t                  len;
1324         char                    s[SWM_BAR_MAX];
1325         char                    cn[SWM_BAR_MAX];
1326         char                    loc[SWM_BAR_MAX];
1327         char                    *b;
1328
1329         if (bar_enabled == 0)
1330                 return;
1331         if (bar_extra && bar_extra_running) {
1332                 /* ignore short reads; it'll correct itself */
1333                 while ((b = fgetln(stdin, &len)) != NULL)
1334                         if (b && b[len - 1] == '\n') {
1335                                 b[len - 1] = '\0';
1336                                 strlcpy(bar_ext, b, sizeof bar_ext);
1337                         }
1338                 if (b == NULL && errno != EAGAIN) {
1339                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1340                             errno, strerror(errno));
1341                         bar_extra_stop();
1342                 }
1343         } else
1344                 strlcpy(bar_ext, "", sizeof bar_ext);
1345
1346         if (clock_enabled == 0)
1347                 strlcpy(s, "", sizeof s);
1348         else {
1349                 time(&tmt);
1350                 localtime_r(&tmt, &tm);
1351                 strftime(s, sizeof s, clock_format, &tm);
1352                 strlcat(s, "    ", sizeof s);
1353         }
1354
1355         for (i = 0; i < ScreenCount(display); i++) {
1356                 x = 1;
1357                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1358                         strlcpy(cn, "", sizeof cn);
1359                         if (r && r->ws) {
1360                                 bar_urgent(cn, sizeof cn);
1361                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1362                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1363                         }
1364
1365                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1366                             x++, r->ws->idx + 1, r->ws->stacker, s, cn, bar_ext,
1367                             bar_vertext);
1368                         bar_print(r, loc);
1369                 }
1370         }
1371         alarm(bar_delay);
1372 }
1373
1374 void
1375 bar_signal(int sig)
1376 {
1377         bar_alarm = 1;
1378 }
1379
1380 void
1381 bar_toggle(struct swm_region *r, union arg *args)
1382 {
1383         struct swm_region       *tmpr;
1384         int                     i, sc = ScreenCount(display);
1385
1386         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1387
1388         if (bar_enabled)
1389                 for (i = 0; i < sc; i++)
1390                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1391                                 XUnmapWindow(display, tmpr->bar_window);
1392         else
1393                 for (i = 0; i < sc; i++)
1394                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1395                                 XMapRaised(display, tmpr->bar_window);
1396
1397         bar_enabled = !bar_enabled;
1398
1399         stack();
1400         /* must be after stack */
1401         bar_update();
1402 }
1403
1404 void
1405 bar_refresh(void)
1406 {
1407         XSetWindowAttributes    wa;
1408         struct swm_region       *r;
1409         int                     i;
1410
1411         /* do this here because the conf file is in memory */
1412         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1413                 /* launch external status app */
1414                 bar_extra_running = 1;
1415                 if (pipe(bar_pipe) == -1)
1416                         err(1, "pipe error");
1417                 socket_setnonblock(bar_pipe[0]);
1418                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1419                 if (dup2(bar_pipe[0], 0) == -1)
1420                         errx(1, "dup2");
1421                 if (dup2(bar_pipe[1], 1) == -1)
1422                         errx(1, "dup2");
1423                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1424                         err(1, "could not disable SIGPIPE");
1425                 switch (bar_pid = fork()) {
1426                 case -1:
1427                         err(1, "cannot fork");
1428                         break;
1429                 case 0: /* child */
1430                         close(bar_pipe[0]);
1431                         execvp(bar_argv[0], bar_argv);
1432                         err(1, "%s external app failed", bar_argv[0]);
1433                         break;
1434                 default: /* parent */
1435                         close(bar_pipe[1]);
1436                         break;
1437                 }
1438         }
1439
1440         bzero(&wa, sizeof wa);
1441         for (i = 0; i < ScreenCount(display); i++)
1442                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1443                         wa.border_pixel =
1444                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1445                         wa.background_pixel =
1446                             screens[i].c[SWM_S_COLOR_BAR].color;
1447                         XChangeWindowAttributes(display, r->bar_window,
1448                             CWBackPixel | CWBorderPixel, &wa);
1449                 }
1450         bar_update();
1451 }
1452
1453 void
1454 bar_setup(struct swm_region *r)
1455 {
1456         int                     i, x, y;
1457
1458         if (bar_fs) {
1459                 XFreeFont(display, bar_fs);
1460                 bar_fs = NULL;
1461         }
1462
1463         for (i = 0; bar_fonts[i] != NULL; i++) {
1464                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1465                 if (bar_fs) {
1466                         bar_fidx = i;
1467                         break;
1468                 }
1469         }
1470         if (bar_fonts[i] == NULL)
1471                         errx(1, "couldn't load font");
1472         if (bar_fs == NULL)
1473                 errx(1, "couldn't create font structure");
1474
1475         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1476             2 * bar_border_width;
1477         x = X(r);
1478         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1479
1480         r->bar_window = XCreateSimpleWindow(display,
1481             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1482             bar_height - 2 * bar_border_width,
1483             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1484             r->s->c[SWM_S_COLOR_BAR].color);
1485         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1486         XSetFont(display, bar_gc, bar_fs->fid);
1487         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1488         if (bar_enabled)
1489                 XMapRaised(display, r->bar_window);
1490         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1491
1492         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1493                 err(1, "could not install bar_signal");
1494         bar_refresh();
1495 }
1496
1497 void
1498 drain_enter_notify(void)
1499 {
1500         int                     i = 0;
1501         XEvent                  cne;
1502
1503         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1504                 i++;
1505
1506         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1507 }
1508
1509 void
1510 set_win_state(struct ws_win *win, long state)
1511 {
1512         long                    data[] = {state, None};
1513
1514         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1515
1516         if (win == NULL)
1517                 return;
1518
1519         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1520             (unsigned char *)data, 2);
1521 }
1522
1523 long
1524 getstate(Window w)
1525 {
1526         long                    result = -1;
1527         unsigned char           *p = NULL;
1528         unsigned long           n;
1529
1530         if (!get_property(w, astate, 2L, astate, &n, &p))
1531                 return (-1);
1532         if (n != 0)
1533                 result = *((long *)p);
1534         XFree(p);
1535         return (result);
1536 }
1537
1538 void
1539 version(struct swm_region *r, union arg *args)
1540 {
1541         bar_version = !bar_version;
1542         if (bar_version)
1543                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1544                     SWM_VERSION, cvstag);
1545         else
1546                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1547         bar_update();
1548 }
1549
1550 void
1551 client_msg(struct ws_win *win, Atom a)
1552 {
1553         XClientMessageEvent     cm;
1554
1555         if (win == NULL)
1556                 return;
1557
1558         bzero(&cm, sizeof cm);
1559         cm.type = ClientMessage;
1560         cm.window = win->id;
1561         cm.message_type = aprot;
1562         cm.format = 32;
1563         cm.data.l[0] = a;
1564         cm.data.l[1] = CurrentTime;
1565         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1566 }
1567
1568 void
1569 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1570 {
1571         XConfigureEvent         ce;
1572
1573         if (win == NULL)
1574                 return;
1575
1576         if (ev == NULL) {
1577                 DNPRINTF(SWM_D_MISC,
1578                     "config_win: win %lu x %d y %d w %d h %d\n",
1579                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1580
1581                 ce.type = ConfigureNotify;
1582                 ce.display = display;
1583                 ce.event = win->id;
1584                 ce.window = win->id;
1585                 ce.x = win->g.x;
1586                 ce.y = win->g.y;
1587                 ce.width = win->g.w;
1588                 ce.height = win->g.h;
1589                 ce.border_width = border_width;
1590                 ce.above = None;
1591                 ce.override_redirect = False;
1592         } else {
1593                 DNPRINTF(SWM_D_MISC,
1594                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1595                     ev->window, ev->x, ev->y, ev->width, ev->height);
1596                 ce.type = ConfigureNotify;
1597                 ce.display = ev->display;
1598                 ce.event = ev->window;
1599                 ce.window = ev->window;
1600                 ce.x = ev->x;
1601                 ce.y = ev->y;
1602                 ce.width = ev->width;
1603                 ce.height = ev->height;
1604                 ce.border_width = ev->border_width;
1605                 ce.above = ev->above;
1606                 ce.override_redirect = False;
1607         }
1608
1609         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1610 }
1611
1612 int
1613 count_win(struct workspace *ws, int count_transient)
1614 {
1615         struct ws_win           *win;
1616         int                     count = 0;
1617
1618         TAILQ_FOREACH(win, &ws->winlist, entry) {
1619                 if (count_transient == 0 && win->floating)
1620                         continue;
1621                 if (count_transient == 0 && win->transient)
1622                         continue;
1623                 if (win->iconic)
1624                         continue;
1625                 count++;
1626         }
1627         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1628
1629         return (count);
1630 }
1631
1632 void
1633 quit(struct swm_region *r, union arg *args)
1634 {
1635         DNPRINTF(SWM_D_MISC, "quit\n");
1636         running = 0;
1637 }
1638
1639 void
1640 unmap_window(struct ws_win *win)
1641 {
1642         if (win == NULL)
1643                 return;
1644
1645         /* don't unmap again */
1646         if (getstate(win->id) == IconicState)
1647                 return;
1648
1649         set_win_state(win, IconicState);
1650
1651         XUnmapWindow(display, win->id);
1652         XSetWindowBorder(display, win->id,
1653             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1654 }
1655
1656 void
1657 unmap_all(void)
1658 {
1659         struct ws_win           *win;
1660         int                     i, j;
1661
1662         for (i = 0; i < ScreenCount(display); i++)
1663                 for (j = 0; j < SWM_WS_MAX; j++)
1664                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1665                                 unmap_window(win);
1666 }
1667
1668 void
1669 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1670 {
1671         XKeyEvent event;
1672
1673         if (win == NULL)
1674                 return;
1675
1676         event.display = display;        /* Ignored, but what the hell */
1677         event.window = win->id;
1678         event.root = win->s->root;
1679         event.subwindow = None;
1680         event.time = CurrentTime;
1681         event.x = win->g.x;
1682         event.y = win->g.y;
1683         event.x_root = 1;
1684         event.y_root = 1;
1685         event.same_screen = True;
1686         event.keycode = XKeysymToKeycode(display, keysym);
1687         event.state = modifiers;
1688
1689         event.type = KeyPress;
1690         XSendEvent(event.display, event.window, True,
1691             KeyPressMask, (XEvent *)&event);
1692
1693         event.type = KeyRelease;
1694         XSendEvent(event.display, event.window, True,
1695             KeyPressMask, (XEvent *)&event);
1696
1697 }
1698
1699 void
1700 restart(struct swm_region *r, union arg *args)
1701 {
1702         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1703
1704         /* disable alarm because the following code may not be interrupted */
1705         alarm(0);
1706         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1707                 errx(1, "can't disable alarm");
1708
1709         bar_extra_stop();
1710         bar_extra = 1;
1711         unmap_all();
1712         XCloseDisplay(display);
1713         execvp(start_argv[0], start_argv);
1714         fprintf(stderr, "execvp failed\n");
1715         perror(" failed");
1716         quit(NULL, NULL);
1717 }
1718
1719 struct swm_region *
1720 root_to_region(Window root)
1721 {
1722         struct swm_region       *r = NULL;
1723         Window                  rr, cr;
1724         int                     i, x, y, wx, wy;
1725         unsigned int            mask;
1726
1727         for (i = 0; i < ScreenCount(display); i++)
1728                 if (screens[i].root == root)
1729                         break;
1730
1731         if (XQueryPointer(display, screens[i].root,
1732             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1733                 /* choose a region based on pointer location */
1734                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1735                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1736                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1737                                 break;
1738         }
1739
1740         if (r == NULL)
1741                 r = TAILQ_FIRST(&screens[i].rl);
1742
1743         return (r);
1744 }
1745
1746 struct ws_win *
1747 find_unmanaged_window(Window id)
1748 {
1749         struct ws_win           *win;
1750         int                     i, j;
1751
1752         for (i = 0; i < ScreenCount(display); i++)
1753                 for (j = 0; j < SWM_WS_MAX; j++)
1754                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1755                             entry)
1756                                 if (id == win->id)
1757                                         return (win);
1758         return (NULL);
1759 }
1760
1761 struct ws_win *
1762 find_window(Window id)
1763 {
1764         struct ws_win           *win;
1765         Window                  wrr, wpr, *wcr = NULL;
1766         int                     i, j;
1767         unsigned int            nc;
1768
1769         for (i = 0; i < ScreenCount(display); i++)
1770                 for (j = 0; j < SWM_WS_MAX; j++)
1771                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1772                                 if (id == win->id)
1773                                         return (win);
1774
1775         /* if we were looking for the parent return that window instead */
1776         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1777                 return (NULL);
1778         if (wcr)
1779                 XFree(wcr);
1780
1781         /* ignore not found and root */
1782         if (wpr == 0 || wrr == wpr)
1783                 return (NULL);
1784
1785         /* look for parent */
1786         for (i = 0; i < ScreenCount(display); i++)
1787                 for (j = 0; j < SWM_WS_MAX; j++)
1788                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1789                                 if (wpr == win->id)
1790                                         return (win);
1791
1792         return (NULL);
1793 }
1794
1795 void
1796 spawn(int ws_idx, union arg *args, int close_fd)
1797 {
1798         int                     fd;
1799         char                    *ret = NULL;
1800
1801         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1802
1803         if (display)
1804                 close(ConnectionNumber(display));
1805
1806         setenv("LD_PRELOAD", SWM_LIB, 1);
1807
1808         if (asprintf(&ret, "%d", ws_idx) == -1) {
1809                 perror("_SWM_WS");
1810                 _exit(1);
1811         }
1812         setenv("_SWM_WS", ret, 1);
1813         free(ret);
1814         ret = NULL;
1815
1816         if (asprintf(&ret, "%d", getpid()) == -1) {
1817                 perror("_SWM_PID");
1818                 _exit(1);
1819         }
1820         setenv("_SWM_PID", ret, 1);
1821         free(ret);
1822         ret = NULL;
1823
1824         if (setsid() == -1) {
1825                 perror("setsid");
1826                 _exit(1);
1827         }
1828
1829         if (close_fd) {
1830                 /*
1831                  * close stdin and stdout to prevent interaction between apps
1832                  * and the baraction script
1833                  * leave stderr open to record errors
1834                 */
1835                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1836                         perror("open");
1837                         _exit(1);
1838                 }
1839                 dup2(fd, STDIN_FILENO);
1840                 dup2(fd, STDOUT_FILENO);
1841                 if (fd > 2)
1842                         close(fd);
1843         }
1844
1845         execvp(args->argv[0], args->argv);
1846
1847         perror("execvp");
1848         _exit(1);
1849 }
1850
1851 void
1852 spawnterm(struct swm_region *r, union arg *args)
1853 {
1854         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1855
1856         if (fork() == 0) {
1857                 if (term_width)
1858                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1859                 spawn(r->ws->idx, args, 1);
1860         }
1861 }
1862
1863 void
1864 kill_refs(struct ws_win *win)
1865 {
1866         int                     i, x;
1867         struct swm_region       *r;
1868         struct workspace        *ws;
1869
1870         if (win == NULL)
1871                 return;
1872
1873         for (i = 0; i < ScreenCount(display); i++)
1874                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1875                         for (x = 0; x < SWM_WS_MAX; x++) {
1876                                 ws = &r->s->ws[x];
1877                                 if (win == ws->focus)
1878                                         ws->focus = NULL;
1879                                 if (win == ws->focus_prev)
1880                                         ws->focus_prev = NULL;
1881                         }
1882 }
1883
1884 int
1885 validate_win(struct ws_win *testwin)
1886 {
1887         struct ws_win           *win;
1888         struct workspace        *ws;
1889         struct swm_region       *r;
1890         int                     i, x, foundit = 0;
1891
1892         if (testwin == NULL)
1893                 return (0);
1894
1895         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1896                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1897                         for (x = 0; x < SWM_WS_MAX; x++) {
1898                                 ws = &r->s->ws[x];
1899                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1900                                         if (win == testwin)
1901                                                 return (0);
1902                         }
1903         return (1);
1904 }
1905
1906 int
1907 validate_ws(struct workspace *testws)
1908 {
1909         struct swm_region       *r;
1910         struct workspace        *ws;
1911         int                     foundit, i, x;
1912
1913         /* validate all ws */
1914         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1915                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1916                         for (x = 0; x < SWM_WS_MAX; x++) {
1917                                 ws = &r->s->ws[x];
1918                                 if (ws == testws)
1919                                         return (0);
1920                         }
1921         return (1);
1922 }
1923
1924 void
1925 unfocus_win(struct ws_win *win)
1926 {
1927         XEvent                  cne;
1928         Window                  none = None;
1929
1930         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1931
1932         if (win == NULL)
1933                 return;
1934         if (win->ws == NULL)
1935                 return;
1936
1937         if (validate_ws(win->ws))
1938                 return; /* XXX this gets hit with thunderbird, needs fixing */
1939
1940         if (win->ws->r == NULL)
1941                 return;
1942
1943         if (validate_win(win)) {
1944                 kill_refs(win);
1945                 return;
1946         }
1947
1948         if (win->ws->focus == win) {
1949                 win->ws->focus = NULL;
1950                 win->ws->focus_prev = win;
1951         }
1952
1953         if (validate_win(win->ws->focus)) {
1954                 kill_refs(win->ws->focus);
1955                 win->ws->focus = NULL;
1956         }
1957         if (validate_win(win->ws->focus_prev)) {
1958                 kill_refs(win->ws->focus_prev);
1959                 win->ws->focus_prev = NULL;
1960         }
1961
1962         /* drain all previous unfocus events */
1963         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1964                 ;
1965
1966         grabbuttons(win, 0);
1967         XSetWindowBorder(display, win->id,
1968             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1969
1970         XChangeProperty(display, win->s->root,
1971             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1972             PropModeReplace, (unsigned char *)&none,1);
1973 }
1974
1975 void
1976 unfocus_all(void)
1977 {
1978         struct ws_win           *win;
1979         int                     i, j;
1980
1981         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1982
1983         for (i = 0; i < ScreenCount(display); i++)
1984                 for (j = 0; j < SWM_WS_MAX; j++)
1985                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1986                                 unfocus_win(win);
1987 }
1988
1989 void
1990 focus_win(struct ws_win *win)
1991 {
1992         XEvent                  cne;
1993         Window                  cur_focus;
1994         int                     rr;
1995         struct ws_win           *cfw = NULL;
1996
1997
1998         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1999
2000         if (win == NULL)
2001                 return;
2002         if (win->ws == NULL)
2003                 return;
2004
2005         if (validate_ws(win->ws))
2006                 return; /* XXX this gets hit with thunderbird, needs fixing */
2007
2008         if (validate_win(win)) {
2009                 kill_refs(win);
2010                 return;
2011         }
2012
2013         if (validate_win(win)) {
2014                 kill_refs(win);
2015                 return;
2016         }
2017
2018         XGetInputFocus(display, &cur_focus, &rr);
2019         if ((cfw = find_window(cur_focus)) != NULL)
2020                 unfocus_win(cfw);
2021         else {
2022                 /* use larger hammer since the window was killed somehow */
2023                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2024                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2025                                 XSetWindowBorder(display, cfw->id,
2026                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2027         }
2028
2029         win->ws->focus = win;
2030
2031         if (win->ws->r != NULL) {
2032                 /* drain all previous focus events */
2033                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2034                         ;
2035
2036                 if (win->java == 0)
2037                         XSetInputFocus(display, win->id,
2038                             RevertToParent, CurrentTime);
2039                 grabbuttons(win, 1);
2040                 XSetWindowBorder(display, win->id,
2041                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2042                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2043                     win->ws->always_raise)
2044                         XMapRaised(display, win->id);
2045
2046                 XChangeProperty(display, win->s->root,
2047                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2048                     PropModeReplace, (unsigned char *)&win->id,1);
2049         }
2050
2051         if (window_name_enabled)
2052                 bar_update();
2053 }
2054
2055 void
2056 switchws(struct swm_region *r, union arg *args)
2057 {
2058         int                     wsid = args->id, unmap_old = 0;
2059         struct swm_region       *this_r, *other_r;
2060         struct ws_win           *win;
2061         struct workspace        *new_ws, *old_ws;
2062         union arg               a;
2063
2064         if (!(r && r->s))
2065                 return;
2066
2067         this_r = r;
2068         old_ws = this_r->ws;
2069         new_ws = &this_r->s->ws[wsid];
2070
2071         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2072             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2073             old_ws->idx, wsid);
2074
2075         if (new_ws == NULL || old_ws == NULL)
2076                 return;
2077         if (new_ws == old_ws)
2078                 return;
2079
2080         other_r = new_ws->r;
2081         if (other_r == NULL) {
2082                 /* the other workspace is hidden, hide this one */
2083                 old_ws->r = NULL;
2084                 unmap_old = 1;
2085         } else {
2086                 /* the other ws is visible in another region, exchange them */
2087                 other_r->ws_prior = new_ws;
2088                 other_r->ws = old_ws;
2089                 old_ws->r = other_r;
2090         }
2091         this_r->ws_prior = old_ws;
2092         this_r->ws = new_ws;
2093         new_ws->r = this_r;
2094
2095         /* this is needed so that we can click on a window after a restart */
2096         unfocus_all();
2097
2098         stack();
2099         a.id = SWM_ARG_ID_FOCUSCUR;
2100         focus(new_ws->r, &a);
2101
2102         bar_update();
2103
2104         /* unmap old windows */
2105         if (unmap_old)
2106                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2107                         unmap_window(win);
2108
2109         if (focus_mode == SWM_FOCUS_DEFAULT)
2110                 drain_enter_notify();
2111 }
2112
2113 void
2114 cyclews(struct swm_region *r, union arg *args)
2115 {
2116         union                   arg a;
2117         struct swm_screen       *s = r->s;
2118
2119         DNPRINTF(SWM_D_WS, "cyclews id %d "
2120             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2121             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2122
2123         a.id = r->ws->idx;
2124         do {
2125                 switch (args->id) {
2126                 case SWM_ARG_ID_CYCLEWS_UP:
2127                         if (a.id < SWM_WS_MAX - 1)
2128                                 a.id++;
2129                         else
2130                                 a.id = 0;
2131                         break;
2132                 case SWM_ARG_ID_CYCLEWS_DOWN:
2133                         if (a.id > 0)
2134                                 a.id--;
2135                         else
2136                                 a.id = SWM_WS_MAX - 1;
2137                         break;
2138                 default:
2139                         return;
2140                 };
2141
2142                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2143                         continue;
2144                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2145                         continue;
2146
2147                 switchws(r, &a);
2148         } while (a.id != r->ws->idx);
2149 }
2150
2151 void
2152 priorws(struct swm_region *r, union arg *args)
2153 {
2154         union arg               a;
2155
2156         DNPRINTF(SWM_D_WS, "priorws id %d "
2157             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2158             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2159
2160         if (r->ws_prior == NULL)
2161                 return;
2162
2163         a.id = r->ws_prior->idx;
2164         switchws(r, &a);
2165 }
2166
2167 void
2168 cyclescr(struct swm_region *r, union arg *args)
2169 {
2170         struct swm_region       *rr = NULL;
2171         union arg               a;
2172         int                     i, x, y;
2173
2174         /* do nothing if we don't have more than one screen */
2175         if (!(ScreenCount(display) > 1 || outputs > 1))
2176                 return;
2177
2178         i = r->s->idx;
2179         switch (args->id) {
2180         case SWM_ARG_ID_CYCLESC_UP:
2181                 rr = TAILQ_NEXT(r, entry);
2182                 if (rr == NULL)
2183                         rr = TAILQ_FIRST(&screens[i].rl);
2184                 break;
2185         case SWM_ARG_ID_CYCLESC_DOWN:
2186                 rr = TAILQ_PREV(r, swm_region_list, entry);
2187                 if (rr == NULL)
2188                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2189                 break;
2190         default:
2191                 return;
2192         };
2193         if (rr == NULL)
2194                 return;
2195
2196         /* move mouse to region */
2197         x = rr->g.x + 1;
2198         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2199         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2200
2201         a.id = SWM_ARG_ID_FOCUSCUR;
2202         focus(rr, &a);
2203
2204         if (rr->ws->focus) {
2205                 /* move to focus window */
2206                 x = rr->ws->focus->g.x + 1;
2207                 y = rr->ws->focus->g.y + 1;
2208                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2209         }
2210 }
2211
2212 void
2213 sort_windows(struct ws_win_list *wl)
2214 {
2215         struct ws_win           *win, *parent, *nxt;
2216
2217         if (wl == NULL)
2218                 return;
2219
2220         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2221                 nxt = TAILQ_NEXT(win, entry);
2222                 if (win->transient) {
2223                         parent = find_window(win->transient);
2224                         if (parent == NULL) {
2225                                 fprintf(stderr, "not possible bug\n");
2226                                 continue;
2227                         }
2228                         TAILQ_REMOVE(wl, win, entry);
2229                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2230                 }
2231         }
2232
2233 }
2234
2235 void
2236 swapwin(struct swm_region *r, union arg *args)
2237 {
2238         struct ws_win           *target, *source;
2239         struct ws_win           *cur_focus;
2240         struct ws_win_list      *wl;
2241
2242
2243         DNPRINTF(SWM_D_WS, "swapwin id %d "
2244             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2245             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2246
2247         cur_focus = r->ws->focus;
2248         if (cur_focus == NULL)
2249                 return;
2250
2251         source = cur_focus;
2252         wl = &source->ws->winlist;
2253
2254         switch (args->id) {
2255         case SWM_ARG_ID_SWAPPREV:
2256                 if (source->transient)
2257                         source = find_window(source->transient);
2258                 target = TAILQ_PREV(source, ws_win_list, entry);
2259                 if (target && target->transient)
2260                         target = find_window(target->transient);
2261                 TAILQ_REMOVE(wl, source, entry);
2262                 if (target == NULL)
2263                         TAILQ_INSERT_TAIL(wl, source, entry);
2264                 else
2265                         TAILQ_INSERT_BEFORE(target, source, entry);
2266                 break;
2267         case SWM_ARG_ID_SWAPNEXT:
2268                 target = TAILQ_NEXT(source, entry);
2269                 /* move the parent and let the sort handle the move */
2270                 if (source->transient)
2271                         source = find_window(source->transient);
2272                 TAILQ_REMOVE(wl, source, entry);
2273                 if (target == NULL)
2274                         TAILQ_INSERT_HEAD(wl, source, entry);
2275                 else
2276                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2277                 break;
2278         case SWM_ARG_ID_SWAPMAIN:
2279                 target = TAILQ_FIRST(wl);
2280                 if (target == source) {
2281                         if (source->ws->focus_prev != NULL &&
2282                             source->ws->focus_prev != target)
2283
2284                                 source = source->ws->focus_prev;
2285                         else
2286                                 return;
2287                 }
2288                 if (target == NULL || source == NULL)
2289                         return;
2290                 source->ws->focus_prev = target;
2291                 TAILQ_REMOVE(wl, target, entry);
2292                 TAILQ_INSERT_BEFORE(source, target, entry);
2293                 TAILQ_REMOVE(wl, source, entry);
2294                 TAILQ_INSERT_HEAD(wl, source, entry);
2295                 break;
2296         case SWM_ARG_ID_MOVELAST:
2297                 TAILQ_REMOVE(wl, source, entry);
2298                 TAILQ_INSERT_TAIL(wl, source, entry);
2299                 break;
2300         default:
2301                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2302                 return;
2303         }
2304
2305         sort_windows(wl);
2306
2307         stack();
2308 }
2309
2310 void
2311 focus_prev(struct ws_win *win)
2312 {
2313         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2314         struct ws_win           *cur_focus = NULL;
2315         struct ws_win_list      *wl = NULL;
2316         struct workspace        *ws = NULL;
2317
2318         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2319
2320         if (!(win && win->ws))
2321                 return;
2322
2323         ws = win->ws;
2324         wl = &ws->winlist;
2325         cur_focus = ws->focus;
2326         winlostfocus = cur_focus;
2327
2328         /* pickle, just focus on whatever */
2329         if (cur_focus == NULL) {
2330                 /* use prev_focus if valid */
2331                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2332                     find_window(WINID(ws->focus_prev)))
2333                         winfocus = ws->focus_prev;
2334                 if (winfocus == NULL)
2335                         winfocus = TAILQ_FIRST(wl);
2336                 goto done;
2337         }
2338
2339         /* if transient focus on parent */
2340         if (cur_focus->transient) {
2341                 winfocus = find_window(cur_focus->transient);
2342                 goto done;
2343         }
2344
2345         /* if in max_stack try harder */
2346         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2347             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2348                 if (cur_focus != ws->focus_prev)
2349                         winfocus = ws->focus_prev;
2350                 else if (cur_focus != ws->focus)
2351                         winfocus = ws->focus;
2352                 else
2353                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2354                 if (winfocus)
2355                         goto done;
2356         }
2357
2358         if (cur_focus == win)
2359                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2360         if (winfocus == NULL)
2361                 winfocus = TAILQ_LAST(wl, ws_win_list);
2362         if (winfocus == NULL || winfocus == win)
2363                 winfocus = TAILQ_NEXT(cur_focus, entry);
2364 done:
2365         if (winfocus == winlostfocus || winfocus == NULL)
2366                 return;
2367
2368         focus_magic(winfocus);
2369 }
2370
2371 void
2372 focus(struct swm_region *r, union arg *args)
2373 {
2374         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2375         struct ws_win           *cur_focus = NULL;
2376         struct ws_win_list      *wl = NULL;
2377         struct workspace        *ws = NULL;
2378
2379         if (!(r && r->ws))
2380                 return;
2381
2382         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2383
2384         /* treat FOCUS_CUR special */
2385         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2386                 if (r->ws->focus && r->ws->focus->iconic == 0)
2387                         winfocus = r->ws->focus;
2388                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2389                         winfocus = r->ws->focus_prev;
2390                 else
2391                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2392                                 if (winfocus->iconic == 0)
2393                                         break;
2394
2395                 focus_magic(winfocus);
2396                 return;
2397         }
2398
2399         if ((cur_focus = r->ws->focus) == NULL)
2400                 return;
2401         ws = r->ws;
2402         wl = &ws->winlist;
2403
2404         winlostfocus = cur_focus;
2405
2406         switch (args->id) {
2407         case SWM_ARG_ID_FOCUSPREV:
2408                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2409                 if (head == NULL)
2410                         head = TAILQ_LAST(wl, ws_win_list);
2411                 winfocus = head;
2412                 if (WINID(winfocus) == cur_focus->transient) {
2413                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2414                         if (head == NULL)
2415                                 head = TAILQ_LAST(wl, ws_win_list);
2416                         winfocus = head;
2417                 }
2418
2419                 /* skip iconics */
2420                 if (winfocus && winfocus->iconic) {
2421                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2422                                 if (winfocus->iconic == 0)
2423                                         break;
2424                 }
2425                 break;
2426
2427         case SWM_ARG_ID_FOCUSNEXT:
2428                 head = TAILQ_NEXT(cur_focus, entry);
2429                 if (head == NULL)
2430                         head = TAILQ_FIRST(wl);
2431                 winfocus = head;
2432
2433                 /* skip iconics */
2434                 if (winfocus && winfocus->iconic) {
2435                         TAILQ_FOREACH(winfocus, wl, entry)
2436                                 if (winfocus->iconic == 0)
2437                                         break;
2438                 }
2439                 break;
2440
2441         case SWM_ARG_ID_FOCUSMAIN:
2442                 winfocus = TAILQ_FIRST(wl);
2443                 if (winfocus == cur_focus)
2444                         winfocus = cur_focus->ws->focus_prev;
2445                 break;
2446
2447         default:
2448                 return;
2449         }
2450         if (winfocus == winlostfocus || winfocus == NULL)
2451                 return;
2452
2453         focus_magic(winfocus);
2454 }
2455
2456 void
2457 cycle_layout(struct swm_region *r, union arg *args)
2458 {
2459         struct workspace        *ws = r->ws;
2460         struct ws_win           *winfocus;
2461         union arg               a;
2462
2463         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2464
2465         winfocus = ws->focus;
2466
2467         ws->cur_layout++;
2468         if (ws->cur_layout->l_stack == NULL)
2469                 ws->cur_layout = &layouts[0];
2470
2471         stack();
2472         if (focus_mode == SWM_FOCUS_DEFAULT)
2473                 drain_enter_notify();
2474         a.id = SWM_ARG_ID_FOCUSCUR;
2475         focus(r, &a);
2476         bar_update();
2477 }
2478
2479 void
2480 stack_config(struct swm_region *r, union arg *args)
2481 {
2482         struct workspace        *ws = r->ws;
2483
2484         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2485             args->id, ws->idx);
2486
2487         if (ws->cur_layout->l_config != NULL)
2488                 ws->cur_layout->l_config(ws, args->id);
2489
2490         if (args->id != SWM_ARG_ID_STACKINIT)
2491                 stack();
2492         bar_update();
2493 }
2494
2495 void
2496 stack(void) {
2497         struct swm_geometry     g;
2498         struct swm_region       *r;
2499         int                     i, j;
2500
2501         DNPRINTF(SWM_D_STACK, "stack\n");
2502
2503         for (i = 0; i < ScreenCount(display); i++) {
2504                 j = 0;
2505                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2506                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2507                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2508
2509                         /* start with screen geometry, adjust for bar */
2510                         g = r->g;
2511                         g.w -= 2 * border_width;
2512                         g.h -= 2 * border_width;
2513                         if (bar_enabled) {
2514                                 if (!bar_at_bottom)
2515                                         g.y += bar_height;
2516                                 g.h -= bar_height;
2517                         }
2518                         r->ws->cur_layout->l_stack(r->ws, &g);
2519                         r->ws->cur_layout->l_string(r->ws);
2520                         /* save r so we can track region changes */
2521                         r->ws->old_r = r;
2522                 }
2523         }
2524         if (font_adjusted)
2525                 font_adjusted--;
2526
2527         if (focus_mode == SWM_FOCUS_DEFAULT)
2528                 drain_enter_notify();
2529 }
2530
2531 void
2532 store_float_geom(struct ws_win *win, struct swm_region *r)
2533 {
2534         /* retain window geom and region geom */
2535         win->g_float.x = win->g.x;
2536         win->g_float.y = win->g.y;
2537         win->g_float.w = win->g.w;
2538         win->g_float.h = win->g.h;
2539         win->rg_float.x = r->g.x;
2540         win->rg_float.y = r->g.y;
2541         win->rg_float.w = r->g.w;
2542         win->rg_float.h = r->g.h;
2543         win->g_floatvalid = 1;
2544 }
2545
2546 void
2547 stack_floater(struct ws_win *win, struct swm_region *r)
2548 {
2549         unsigned int            mask;
2550         XWindowChanges          wc;
2551
2552         if (win == NULL)
2553                 return;
2554
2555         bzero(&wc, sizeof wc);
2556         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2557
2558         /*
2559          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2560          * geom on ws switches or return from max mode
2561          */
2562
2563         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2564             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2565                 /*
2566                  * use stored g and rg to set relative position and size
2567                  * as in old region or before max stack mode
2568                  */
2569                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2570                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2571                 win->g.w = win->g_float.w;
2572                 win->g.h = win->g_float.h;
2573                 win->g_floatvalid = 0;
2574         }
2575
2576         win->floatmaxed = 0;
2577
2578         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2579             (win->g.h >= HEIGHT(r)))
2580                 wc.border_width = 0;
2581         else
2582                 wc.border_width = border_width;
2583         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2584                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2585                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2586         }
2587
2588         if (!win->manual) {
2589                 /*
2590                  * floaters and transients are auto-centred unless moved
2591                  * or resized
2592                  */
2593                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2594                     2 - wc.border_width;
2595                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2596                     2 - wc.border_width;
2597         }
2598
2599         /* win can be outside r if new r smaller than old r */
2600         /* Ensure top left corner inside r (move probs otherwise) */
2601         if (win->g.x < r->g.x - wc.border_width)
2602                 win->g.x = r->g.x - wc.border_width;
2603         if (win->g.x > r->g.x + r->g.w - 1)
2604                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2605                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2606         if (win->g.y < r->g.y - wc.border_width)
2607                 win->g.y = r->g.y - wc.border_width;
2608         if (win->g.y > r->g.y + r->g.h - 1)
2609                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2610                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2611
2612         wc.x = win->g.x;
2613         wc.y = win->g.y;
2614         wc.width = win->g.w;
2615         wc.height = win->g.h;
2616
2617         /*
2618          * Retain floater and transient geometry for correct positioning
2619          * when ws changes region
2620          */
2621         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2622                 store_float_geom(win, r);
2623
2624         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2625             win->id, wc.x, wc.y, wc.width, wc.height);
2626
2627         XConfigureWindow(display, win->id, mask, &wc);
2628 }
2629
2630 /*
2631  * Send keystrokes to terminal to decrease/increase the font size as the
2632  * window size changes.
2633  */
2634 void
2635 adjust_font(struct ws_win *win)
2636 {
2637         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2638             win->floating || win->transient)
2639                 return;
2640
2641         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2642             win->g.w / win->sh.width_inc < term_width &&
2643             win->font_steps < SWM_MAX_FONT_STEPS) {
2644                 win->font_size_boundary[win->font_steps] =
2645                     (win->sh.width_inc * term_width) + win->sh.base_width;
2646                 win->font_steps++;
2647                 font_adjusted++;
2648                 win->last_inc = win->sh.width_inc;
2649                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2650         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2651             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2652                 win->font_steps--;
2653                 font_adjusted++;
2654                 win->last_inc = win->sh.width_inc;
2655                 fake_keypress(win, XK_KP_Add, ShiftMask);
2656         }
2657 }
2658
2659 #define SWAPXY(g)       do {                            \
2660         int tmp;                                        \
2661         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2662         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2663 } while (0)
2664 void
2665 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2666 {
2667         XWindowChanges          wc;
2668         XWindowAttributes       wa;
2669         struct swm_geometry     win_g, r_g = *g;
2670         struct ws_win           *win, *fs_win = 0;
2671         int                     i, j, s, stacks;
2672         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2673         int                     hrh, extra = 0, h_slice, last_h = 0;
2674         int                     split, colno, winno, mwin, msize, mscale;
2675         int                     remain, missing, v_slice, reconfigure;
2676         unsigned int            mask;
2677
2678         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2679             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2680
2681         winno = count_win(ws, 0);
2682         if (winno == 0 && count_win(ws, 1) == 0)
2683                 return;
2684
2685         TAILQ_FOREACH(win, &ws->winlist, entry)
2686                 if (win->transient == 0 && win->floating == 0
2687                     && win->iconic == 0)
2688                         break;
2689
2690         if (win == NULL)
2691                 goto notiles;
2692
2693         if (rot) {
2694                 w_inc = win->sh.width_inc;
2695                 w_base = win->sh.base_width;
2696                 mwin = ws->l_state.horizontal_mwin;
2697                 mscale = ws->l_state.horizontal_msize;
2698                 stacks = ws->l_state.horizontal_stacks;
2699                 SWAPXY(&r_g);
2700         } else {
2701                 w_inc = win->sh.height_inc;
2702                 w_base = win->sh.base_height;
2703                 mwin = ws->l_state.vertical_mwin;
2704                 mscale = ws->l_state.vertical_msize;
2705                 stacks = ws->l_state.vertical_stacks;
2706         }
2707         win_g = r_g;
2708
2709         if (stacks > winno - mwin)
2710                 stacks = winno - mwin;
2711         if (stacks < 1)
2712                 stacks = 1;
2713
2714         h_slice = r_g.h / SWM_H_SLICE;
2715         if (mwin && winno > mwin) {
2716                 v_slice = r_g.w / SWM_V_SLICE;
2717
2718                 split = mwin;
2719                 colno = split;
2720                 win_g.w = v_slice * mscale;
2721
2722                 if (w_inc > 1 && w_inc < v_slice) {
2723                         /* adjust for window's requested size increment */
2724                         remain = (win_g.w - w_base) % w_inc;
2725                         missing = w_inc - remain;
2726                         win_g.w -= remain;
2727                         extra += remain;
2728                 }
2729
2730                 msize = win_g.w;
2731                 if (flip)
2732                         win_g.x += r_g.w - msize;
2733         } else {
2734                 msize = -2;
2735                 colno = split = winno / stacks;
2736                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2737                     2 * border_width) / stacks);
2738         }
2739         hrh = r_g.h / colno;
2740         extra = r_g.h - (colno * hrh);
2741         win_g.h = hrh - 2 * border_width;
2742
2743         /*  stack all the tiled windows */
2744         i = j = 0, s = stacks;
2745         TAILQ_FOREACH(win, &ws->winlist, entry) {
2746                 if (win->transient != 0 || win->floating != 0)
2747                         continue;
2748                 if (win->iconic != 0)
2749                         continue;
2750
2751                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2752                         fs_win = win;
2753                         continue;
2754                 }
2755
2756                 if (split && i == split) {
2757                         colno = (winno - mwin) / stacks;
2758                         if (s <= (winno - mwin) % stacks)
2759                                 colno++;
2760                         split = split + colno;
2761                         hrh = (r_g.h / colno);
2762                         extra = r_g.h - (colno * hrh);
2763                         if (flip)
2764                                 win_g.x = r_g.x;
2765                         else
2766                                 win_g.x += win_g.w + 2 * border_width;
2767                         win_g.w = (r_g.w - msize -
2768                             (stacks * 2 * border_width)) / stacks;
2769                         if (s == 1)
2770                                 win_g.w += (r_g.w - msize -
2771                                     (stacks * 2 * border_width)) % stacks;
2772                         s--;
2773                         j = 0;
2774                 }
2775                 win_g.h = hrh - 2 * border_width;
2776                 if (rot) {
2777                         h_inc = win->sh.width_inc;
2778                         h_base = win->sh.base_width;
2779                 } else {
2780                         h_inc = win->sh.height_inc;
2781                         h_base = win->sh.base_height;
2782                 }
2783                 if (j == colno - 1) {
2784                         win_g.h = hrh + extra;
2785                 } else if (h_inc > 1 && h_inc < h_slice) {
2786                         /* adjust for window's requested size increment */
2787                         remain = (win_g.h - h_base) % h_inc;
2788                         missing = h_inc - remain;
2789
2790                         if (missing <= extra || j == 0) {
2791                                 extra -= missing;
2792                                 win_g.h += missing;
2793                         } else {
2794                                 win_g.h -= remain;
2795                                 extra += remain;
2796                         }
2797                 }
2798
2799                 if (j == 0)
2800                         win_g.y = r_g.y;
2801                 else
2802                         win_g.y += last_h + 2 * border_width;
2803
2804                 bzero(&wc, sizeof wc);
2805                 if (disable_border && bar_enabled == 0 && winno == 1){
2806                         wc.border_width = 0;
2807                         win_g.w += 2 * border_width;
2808                         win_g.h += 2 * border_width;
2809                 } else
2810                         wc.border_width = border_width;
2811                 reconfigure = 0;
2812                 if (rot) {
2813                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2814                             win->g.w != win_g.h || win->g.h != win_g.w) {
2815                                 reconfigure = 1;
2816                                 win->g.x = wc.x = win_g.y;
2817                                 win->g.y = wc.y = win_g.x;
2818                                 win->g.w = wc.width = win_g.h;
2819                                 win->g.h = wc.height = win_g.w;
2820                         }
2821                 } else {
2822                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2823                             win->g.w != win_g.w || win->g.h != win_g.h) {
2824                                 reconfigure = 1;
2825                                 win->g.x = wc.x = win_g.x;
2826                                 win->g.y = wc.y = win_g.y;
2827                                 win->g.w = wc.width = win_g.w;
2828                                 win->g.h = wc.height = win_g.h;
2829                         }
2830                 }
2831                 if (reconfigure) {
2832                         adjust_font(win);
2833                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2834                         XConfigureWindow(display, win->id, mask, &wc);
2835                 }
2836
2837                 if (XGetWindowAttributes(display, win->id, &wa))
2838                         if (wa.map_state == IsUnmapped)
2839                                 XMapRaised(display, win->id);
2840
2841                 last_h = win_g.h;
2842                 i++;
2843                 j++;
2844         }
2845
2846 notiles:
2847         /* now, stack all the floaters and transients */
2848         TAILQ_FOREACH(win, &ws->winlist, entry) {
2849                 if (win->transient == 0 && win->floating == 0)
2850                         continue;
2851                 if (win->iconic == 1)
2852                         continue;
2853                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2854                         fs_win = win;
2855                         continue;
2856                 }
2857
2858                 stack_floater(win, ws->r);
2859                 XMapRaised(display, win->id);
2860         }
2861
2862         if (fs_win) {
2863                 stack_floater(fs_win, ws->r);
2864                 XMapRaised(display, fs_win->id);
2865         }
2866 }
2867
2868 void
2869 vertical_config(struct workspace *ws, int id)
2870 {
2871         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2872
2873         switch (id) {
2874         case SWM_ARG_ID_STACKRESET:
2875         case SWM_ARG_ID_STACKINIT:
2876                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2877                 ws->l_state.vertical_mwin = 1;
2878                 ws->l_state.vertical_stacks = 1;
2879                 break;
2880         case SWM_ARG_ID_MASTERSHRINK:
2881                 if (ws->l_state.vertical_msize > 1)
2882                         ws->l_state.vertical_msize--;
2883                 break;
2884         case SWM_ARG_ID_MASTERGROW:
2885                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2886                         ws->l_state.vertical_msize++;
2887                 break;
2888         case SWM_ARG_ID_MASTERADD:
2889                 ws->l_state.vertical_mwin++;
2890                 break;
2891         case SWM_ARG_ID_MASTERDEL:
2892                 if (ws->l_state.vertical_mwin > 0)
2893                         ws->l_state.vertical_mwin--;
2894                 break;
2895         case SWM_ARG_ID_STACKINC:
2896                 ws->l_state.vertical_stacks++;
2897                 break;
2898         case SWM_ARG_ID_STACKDEC:
2899                 if (ws->l_state.vertical_stacks > 1)
2900                         ws->l_state.vertical_stacks--;
2901                 break;
2902         default:
2903                 return;
2904         }
2905 }
2906
2907 void
2908 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2909 {
2910         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2911
2912         stack_master(ws, g, 0, 0);
2913 }
2914
2915 void
2916 horizontal_config(struct workspace *ws, int id)
2917 {
2918         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2919
2920         switch (id) {
2921         case SWM_ARG_ID_STACKRESET:
2922         case SWM_ARG_ID_STACKINIT:
2923                 ws->l_state.horizontal_mwin = 1;
2924                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2925                 ws->l_state.horizontal_stacks = 1;
2926                 break;
2927         case SWM_ARG_ID_MASTERSHRINK:
2928                 if (ws->l_state.horizontal_msize > 1)
2929                         ws->l_state.horizontal_msize--;
2930                 break;
2931         case SWM_ARG_ID_MASTERGROW:
2932                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2933                         ws->l_state.horizontal_msize++;
2934                 break;
2935         case SWM_ARG_ID_MASTERADD:
2936                 ws->l_state.horizontal_mwin++;
2937                 break;
2938         case SWM_ARG_ID_MASTERDEL:
2939                 if (ws->l_state.horizontal_mwin > 0)
2940                         ws->l_state.horizontal_mwin--;
2941                 break;
2942         case SWM_ARG_ID_STACKINC:
2943                 ws->l_state.horizontal_stacks++;
2944                 break;
2945         case SWM_ARG_ID_STACKDEC:
2946                 if (ws->l_state.horizontal_stacks > 1)
2947                         ws->l_state.horizontal_stacks--;
2948                 break;
2949         default:
2950                 return;
2951         }
2952 }
2953
2954 void
2955 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2956 {
2957         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2958
2959         stack_master(ws, g, 1, 0);
2960 }
2961
2962 /* fullscreen view */
2963 void
2964 max_stack(struct workspace *ws, struct swm_geometry *g)
2965 {
2966         XWindowChanges          wc;
2967         struct swm_geometry     gg = *g;
2968         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2969         unsigned int            mask;
2970         int                     winno;
2971
2972         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2973
2974         if (ws == NULL)
2975                 return;
2976
2977         winno = count_win(ws, 0);
2978         if (winno == 0 && count_win(ws, 1) == 0)
2979                 return;
2980
2981         TAILQ_FOREACH(win, &ws->winlist, entry) {
2982                 if (win->transient) {
2983                         wintrans = win;
2984                         parent = find_window(win->transient);
2985                         continue;
2986                 }
2987
2988                 if (win->floating && win->floatmaxed == 0 ) {
2989                         /*
2990                          * retain geometry for retrieval on exit from
2991                          * max_stack mode
2992                          */
2993                         store_float_geom(win, ws->r);
2994                         win->floatmaxed = 1;
2995                 }
2996
2997                 /* only reconfigure if necessary */
2998                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2999                     win->g.h != gg.h) {
3000                         bzero(&wc, sizeof wc);
3001                         win->g.x = wc.x = gg.x;
3002                         win->g.y = wc.y = gg.y;
3003                         if (bar_enabled){
3004                                 wc.border_width = border_width;
3005                                 win->g.w = wc.width = gg.w;
3006                                 win->g.h = wc.height = gg.h;
3007                         } else {
3008                                 wc.border_width = 0;
3009                                 win->g.w = wc.width = gg.w + 2 * border_width;
3010                                 win->g.h = wc.height = gg.h + 2 * border_width;
3011                         }
3012                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3013                         XConfigureWindow(display, win->id, mask, &wc);
3014                 }
3015                 /* unmap only if we don't have multi screen */
3016                 if (win != ws->focus)
3017                         if (!(ScreenCount(display) > 1 || outputs > 1))
3018                                 unmap_window(win);
3019         }
3020
3021         /* put the last transient on top */
3022         if (wintrans) {
3023                 if (parent)
3024                         XMapRaised(display, parent->id);
3025                 stack_floater(wintrans, ws->r);
3026                 focus_magic(wintrans);
3027         }
3028 }
3029
3030 void
3031 send_to_ws(struct swm_region *r, union arg *args)
3032 {
3033         int                     wsid = args->id;
3034         struct ws_win           *win = NULL, *parent;
3035         struct workspace        *ws, *nws;
3036         Atom                    ws_idx_atom = 0;
3037         unsigned char           ws_idx_str[SWM_PROPLEN];
3038         union arg               a;
3039
3040         if (r && r->ws)
3041                 win = r->ws->focus;
3042         else
3043                 return;
3044         if (win == NULL)
3045                 return;
3046         if (win->ws->idx == wsid)
3047                 return;
3048
3049         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3050
3051         ws = win->ws;
3052         nws = &win->s->ws[wsid];
3053
3054         a.id = SWM_ARG_ID_FOCUSPREV;
3055         focus(r, &a);
3056         if (win->transient) {
3057                 parent = find_window(win->transient);
3058                 if (parent) {
3059                         unmap_window(parent);
3060                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3061                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3062                         parent->ws = nws;
3063                 }
3064         }
3065         unmap_window(win);
3066         TAILQ_REMOVE(&ws->winlist, win, entry);
3067         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3068         win->ws = nws;
3069
3070         /* Try to update the window's workspace property */
3071         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3072         if (ws_idx_atom &&
3073             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3074                 SWM_PROPLEN) {
3075                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3076                     ws_idx_str);
3077                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3078                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3079         }
3080
3081         stack();
3082 }
3083
3084 void
3085 pressbutton(struct swm_region *r, union arg *args)
3086 {
3087         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3088         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3089 }
3090
3091 void
3092 raise_toggle(struct swm_region *r, union arg *args)
3093 {
3094         if (r && r->ws == NULL)
3095                 return;
3096
3097         r->ws->always_raise = !r->ws->always_raise;
3098
3099         /* bring floaters back to top */
3100         if (r->ws->always_raise == 0)
3101                 stack();
3102 }
3103
3104 void
3105 iconify(struct swm_region *r, union arg *args)
3106 {
3107         union arg a;
3108
3109         if (r->ws->focus == NULL)
3110                 return;
3111         unmap_window(r->ws->focus);
3112         update_iconic(r->ws->focus, 1);
3113         stack();
3114         if (focus_mode == SWM_FOCUS_DEFAULT)
3115                 drain_enter_notify();
3116         r->ws->focus = NULL;
3117         a.id = SWM_ARG_ID_FOCUSCUR;
3118         focus(r, &a);
3119 }
3120
3121 unsigned char *
3122 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3123     unsigned long *slen)
3124 {
3125         int                     status, retfmt;
3126         unsigned long           nitems, nbytes, nextra;
3127         unsigned char           *prop = NULL;
3128         Atom                    rettype;
3129
3130         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3131             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3132         if (status != Success)
3133                 return (NULL);
3134         XFree(prop);
3135
3136         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3137             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3138         if (status != Success) {
3139                 XFree(prop);
3140                 return (NULL);
3141         }
3142         if (rettype != stype) {
3143                 XFree(prop);
3144                 return (NULL);
3145         }
3146         *slen = nitems;
3147         return (prop);
3148 }
3149
3150 void
3151 uniconify(struct swm_region *r, union arg *args)
3152 {
3153         struct ws_win           *win;
3154         FILE                    *lfile;
3155         unsigned char           *name;
3156         int                     count = 0;
3157         unsigned long           len;
3158
3159         DNPRINTF(SWM_D_MISC, "uniconify\n");
3160
3161         if (r && r->ws == NULL)
3162                 return;
3163
3164         /* make sure we have anything to uniconify */
3165         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3166                 if (win->ws == NULL)
3167                         continue; /* should never happen */
3168                 if (win->iconic == 0)
3169                         continue;
3170                 count++;
3171         }
3172         if (count == 0)
3173                 return;
3174
3175         search_r = r;
3176
3177         spawn_select(r, args, "uniconify", &searchpid);
3178
3179         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3180                 return;
3181
3182         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3183                 if (win->ws == NULL)
3184                         continue; /* should never happen */
3185                 if (win->iconic == 0)
3186                         continue;
3187
3188                 name = get_win_name(display, win->id, a_wmname, a_string,
3189                     &len);
3190                 if (name == NULL)
3191                         continue;
3192                 fprintf(lfile, "%s.%lu\n", name, win->id);
3193                 XFree(name);
3194         }
3195
3196         fclose(lfile);
3197 }
3198
3199 #define MAX_RESP_LEN    1024
3200
3201 void
3202 search_do_resp(void)
3203 {
3204         ssize_t                 rbytes;
3205         struct ws_win           *win;
3206         unsigned char           *name;
3207         char                    *resp, *s;
3208         unsigned long           len;
3209
3210         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3211
3212         search_resp = 0;
3213         searchpid = 0;
3214
3215         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3216                 fprintf(stderr, "search: calloc\n");
3217                 return;
3218         }
3219
3220         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3221         if (rbytes <= 0) {
3222                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3223                 goto done;
3224         }
3225         resp[rbytes] = '\0';
3226         len = strlen(resp);
3227
3228         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3229         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3230                 if (win->iconic == 0)
3231                         continue;
3232                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3233                 if (name == NULL)
3234                         continue;
3235                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3236                         XFree(name);
3237                         continue;
3238                 }
3239                 XFree(name);
3240                 if (strncmp(s, resp, len) == 0) {
3241                         /* XXX this should be a callback to generalize */
3242                         update_iconic(win, 0);
3243                         free(s);
3244                         break;
3245                 }
3246                 free(s);
3247         }
3248 done:
3249         free(resp);
3250 }
3251
3252 void
3253 wkill(struct swm_region *r, union arg *args)
3254 {
3255         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3256
3257         if (r->ws->focus == NULL)
3258                 return;
3259
3260         if (args->id == SWM_ARG_ID_KILLWINDOW)
3261                 XKillClient(display, r->ws->focus->id);
3262         else
3263                 if (r->ws->focus->can_delete)
3264                         client_msg(r->ws->focus, adelete);
3265 }
3266
3267
3268 int
3269 floating_toggle_win(struct ws_win *win)
3270 {
3271         struct swm_region       *r;
3272
3273         if (win == NULL)
3274                 return 0;
3275
3276         if (!win->ws->r)
3277                 return 0;
3278
3279         r = win->ws->r;
3280
3281         /* reject floating toggles in max stack mode */
3282         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3283                 return 0;
3284
3285         if (win->floating) {
3286                 if (!win->floatmaxed) {
3287                         /* retain position for refloat */
3288                         store_float_geom(win, r);
3289                 }
3290                 win->floating = 0;
3291         } else {
3292                 if (win->g_floatvalid) {
3293                         /* refloat at last floating relative position */
3294                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3295                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3296                         win->g.w = win->g_float.w;
3297                         win->g.h = win->g_float.h;
3298                 }
3299                 win->floating = 1;
3300         }
3301
3302         ewmh_update_actions(win);
3303
3304         return 1;
3305 }
3306
3307 void
3308 floating_toggle(struct swm_region *r, union arg *args)
3309 {
3310         struct ws_win           *win = r->ws->focus;
3311         union arg               a;
3312
3313         if (win == NULL)
3314                 return;
3315
3316         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3317             _NET_WM_STATE_TOGGLE);
3318
3319         stack();
3320         if (focus_mode == SWM_FOCUS_DEFAULT)
3321                 drain_enter_notify();
3322
3323         if (win == win->ws->focus) {
3324                 a.id = SWM_ARG_ID_FOCUSCUR;
3325                 focus(win->ws->r, &a);
3326         }
3327 }
3328
3329 void
3330 resize_window(struct ws_win *win, int center)
3331 {
3332         unsigned int            mask;
3333         XWindowChanges          wc;
3334         struct swm_region       *r;
3335
3336         r = root_to_region(win->wa.root);
3337         bzero(&wc, sizeof wc);
3338         mask = CWBorderWidth | CWWidth | CWHeight;
3339         wc.border_width = border_width;
3340         wc.width = win->g.w;
3341         wc.height = win->g.h;
3342         if (center == SWM_ARG_ID_CENTER) {
3343                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3344                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3345                 mask |= CWX | CWY;
3346         }
3347
3348         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3349             win->id, wc.x, wc.y, wc.width, wc.height);
3350
3351         XConfigureWindow(display, win->id, mask, &wc);
3352 }
3353
3354 #define SWM_RESIZE_STEPS        (50)
3355
3356 void
3357 resize(struct ws_win *win, union arg *args)
3358 {
3359         XEvent                  ev;
3360         Time                    time = 0;
3361         struct swm_region       *r = NULL;
3362         int                     relx, rely;
3363         int                     resize_step = 0;
3364
3365         if (win == NULL)
3366                 return;
3367         r = win->ws->r;
3368
3369         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3370             win->id, win->floating, win->transient);
3371
3372         if (!(win->transient != 0 || win->floating != 0))
3373                 return;
3374
3375         /* reject resizes in max mode for floaters (transient ok) */
3376         if (win->floatmaxed)
3377                 return;
3378
3379         win->manual = 1;
3380         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3381             _NET_WM_STATE_ADD);
3382
3383         stack();
3384
3385         switch (args->id) {
3386         case SWM_ARG_ID_WIDTHSHRINK:
3387                 win->g.w -= SWM_RESIZE_STEPS;
3388                 resize_step = 1;
3389                 break;
3390         case SWM_ARG_ID_WIDTHGROW:
3391                 win->g.w += SWM_RESIZE_STEPS;
3392                 resize_step = 1;
3393                 break;
3394         case SWM_ARG_ID_HEIGHTSHRINK:
3395                 win->g.h -= SWM_RESIZE_STEPS;
3396                 resize_step = 1;
3397                 break;
3398         case SWM_ARG_ID_HEIGHTGROW:
3399                 win->g.h += SWM_RESIZE_STEPS;
3400                 resize_step = 1;
3401                 break;
3402         default:
3403                 break;
3404         }
3405         if (resize_step) {
3406                 resize_window(win, 0);
3407                 store_float_geom(win,r);
3408                 return;
3409         }
3410
3411         if (focus_mode == SWM_FOCUS_DEFAULT)
3412                 drain_enter_notify();
3413
3414         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3415             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3416                 return;
3417
3418         /* place pointer at bottom left corner or nearest point inside r */
3419         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3420                 relx = win->g.w - 1;
3421         else
3422                 relx = r->g.x + r->g.w - win->g.x - 1;
3423
3424         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3425                 rely = win->g.h - 1;
3426         else
3427                 rely = r->g.y + r->g.h - win->g.y - 1;
3428
3429         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3430         do {
3431                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3432                     SubstructureRedirectMask, &ev);
3433                 switch (ev.type) {
3434                 case ConfigureRequest:
3435                 case Expose:
3436                 case MapRequest:
3437                         handler[ev.type](&ev);
3438                         break;
3439                 case MotionNotify:
3440                         /* do not allow resize outside of region */
3441                         if (    ev.xmotion.x_root < r->g.x ||
3442                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3443                                 ev.xmotion.y_root < r->g.y ||
3444                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3445                                 continue;
3446
3447                         if (ev.xmotion.x <= 1)
3448                                 ev.xmotion.x = 1;
3449                         if (ev.xmotion.y <= 1)
3450                                 ev.xmotion.y = 1;
3451                         win->g.w = ev.xmotion.x + 1;
3452                         win->g.h = ev.xmotion.y + 1;
3453
3454                         /* not free, don't sync more than 120 times / second */
3455                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3456                                 time = ev.xmotion.time;
3457                                 XSync(display, False);
3458                                 resize_window(win, args->id);
3459                         }
3460                         break;
3461                 }
3462         } while (ev.type != ButtonRelease);
3463         if (time) {
3464                 XSync(display, False);
3465                 resize_window(win, args->id);
3466         }
3467         store_float_geom(win,r);
3468
3469         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3470             win->g.h - 1);
3471         XUngrabPointer(display, CurrentTime);
3472
3473         /* drain events */
3474         drain_enter_notify();
3475 }
3476
3477 void
3478 resize_step(struct swm_region *r, union arg *args)
3479 {
3480         struct ws_win           *win = NULL;
3481
3482         if (r && r->ws && r->ws->focus)
3483                 win = r->ws->focus;
3484         else
3485                 return;
3486
3487         resize(win, args);
3488 }
3489
3490
3491 void
3492 move_window(struct ws_win *win)
3493 {
3494         unsigned int            mask;
3495         XWindowChanges          wc;
3496         struct swm_region       *r;
3497
3498         r = root_to_region(win->wa.root);
3499         bzero(&wc, sizeof wc);
3500         mask = CWX | CWY;
3501         wc.x = win->g.x;
3502         wc.y = win->g.y;
3503         wc.border_width = border_width;
3504
3505         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3506             win->id, wc.x, wc.y, wc.width, wc.height);
3507
3508         XConfigureWindow(display, win->id, mask, &wc);
3509 }
3510
3511 #define SWM_MOVE_STEPS  (50)
3512
3513 void
3514 move(struct ws_win *win, union arg *args)
3515 {
3516         XEvent                  ev;
3517         Time                    time = 0;
3518         int                     move_step = 0;
3519         struct swm_region       *r = NULL;
3520
3521         if (win == NULL)
3522                 return;
3523         r = win->ws->r;
3524
3525         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3526             win->id, win->floating, win->transient);
3527
3528         /* in max_stack mode should only move transients */
3529         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3530                 return;
3531
3532         win->manual = 1;
3533         if (win->floating == 0 && !win->transient) {
3534                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3535                     _NET_WM_STATE_ADD);
3536         }
3537         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3538             _NET_WM_STATE_ADD);
3539
3540         stack();
3541
3542         move_step = 0;
3543         switch (args->id) {
3544         case SWM_ARG_ID_MOVELEFT:
3545                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3546                 move_step = 1;
3547                 break;
3548         case SWM_ARG_ID_MOVERIGHT:
3549                 win->g.x += (SWM_MOVE_STEPS - border_width);
3550                 move_step = 1;
3551                 break;
3552         case SWM_ARG_ID_MOVEUP:
3553                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3554                 move_step = 1;
3555                 break;
3556         case SWM_ARG_ID_MOVEDOWN:
3557                 win->g.y += (SWM_MOVE_STEPS - border_width);
3558                 move_step = 1;
3559                 break;
3560         default:
3561                 break;
3562         }
3563         if (move_step) {
3564                 move_window(win);
3565                 store_float_geom(win,r);
3566                 return;
3567         }
3568
3569
3570         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3571             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3572                 return;
3573         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3574         do {
3575                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3576                     SubstructureRedirectMask, &ev);
3577                 switch (ev.type) {
3578                 case ConfigureRequest:
3579                 case Expose:
3580                 case MapRequest:
3581                         handler[ev.type](&ev);
3582                         break;
3583                 case MotionNotify:
3584                         /* don't allow to move window origin out of region */
3585                         if (    ev.xmotion.x_root < r->g.x ||
3586                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3587                                 ev.xmotion.y_root < r->g.y ||
3588                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3589                                 continue;
3590
3591                         win->g.x = ev.xmotion.x_root - border_width;
3592                         win->g.y = ev.xmotion.y_root - border_width;
3593
3594                         /* not free, don't sync more than 120 times / second */
3595                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3596                                 time = ev.xmotion.time;
3597                                 XSync(display, False);
3598                                 move_window(win);
3599                         }
3600                         break;
3601                 }
3602         } while (ev.type != ButtonRelease);
3603         if (time) {
3604                 XSync(display, False);
3605                 move_window(win);
3606         }
3607         store_float_geom(win,r);
3608         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3609         XUngrabPointer(display, CurrentTime);
3610
3611         /* drain events */
3612         drain_enter_notify();
3613 }
3614
3615 void
3616 move_step(struct swm_region *r, union arg *args)
3617 {
3618         struct ws_win           *win = NULL;
3619
3620         if (r && r->ws && r->ws->focus)
3621                 win = r->ws->focus;
3622         else
3623                 return;
3624
3625         if (!(win->transient != 0 || win->floating != 0))
3626                 return;
3627
3628         move(win, args);
3629 }
3630
3631
3632 /* user/key callable function IDs */
3633 enum keyfuncid {
3634         kf_cycle_layout,
3635         kf_stack_reset,
3636         kf_master_shrink,
3637         kf_master_grow,
3638         kf_master_add,
3639         kf_master_del,
3640         kf_stack_inc,
3641         kf_stack_dec,
3642         kf_swap_main,
3643         kf_focus_next,
3644         kf_focus_prev,
3645         kf_swap_next,
3646         kf_swap_prev,
3647         kf_spawn_term,
3648         kf_spawn_menu,
3649         kf_quit,
3650         kf_restart,
3651         kf_focus_main,
3652         kf_ws_1,
3653         kf_ws_2,
3654         kf_ws_3,
3655         kf_ws_4,
3656         kf_ws_5,
3657         kf_ws_6,
3658         kf_ws_7,
3659         kf_ws_8,
3660         kf_ws_9,
3661         kf_ws_10,
3662         kf_ws_next,
3663         kf_ws_prev,
3664         kf_ws_prior,
3665         kf_screen_next,
3666         kf_screen_prev,
3667         kf_mvws_1,
3668         kf_mvws_2,
3669         kf_mvws_3,
3670         kf_mvws_4,
3671         kf_mvws_5,
3672         kf_mvws_6,
3673         kf_mvws_7,
3674         kf_mvws_8,
3675         kf_mvws_9,
3676         kf_mvws_10,
3677         kf_bar_toggle,
3678         kf_wind_kill,
3679         kf_wind_del,
3680         kf_screenshot_all,
3681         kf_screenshot_wind,
3682         kf_float_toggle,
3683         kf_version,
3684         kf_spawn_lock,
3685         kf_spawn_initscr,
3686         kf_spawn_custom,
3687         kf_iconify,
3688         kf_uniconify,
3689         kf_raise_toggle,
3690         kf_button2,
3691         kf_width_shrink,
3692         kf_width_grow,
3693         kf_height_shrink,
3694         kf_height_grow,
3695         kf_move_left,
3696         kf_move_right,
3697         kf_move_up,
3698         kf_move_down,
3699         kf_dumpwins, /* MUST BE LAST */
3700         kf_invalid
3701 };
3702
3703 /* key definitions */
3704 void
3705 dummykeyfunc(struct swm_region *r, union arg *args)
3706 {
3707 };
3708
3709 void
3710 legacyfunc(struct swm_region *r, union arg *args)
3711 {
3712 };
3713
3714 struct keyfunc {
3715         char                    name[SWM_FUNCNAME_LEN];
3716         void                    (*func)(struct swm_region *r, union arg *);
3717         union arg               args;
3718 } keyfuncs[kf_invalid + 1] = {
3719         /* name                 function        argument */
3720         { "cycle_layout",       cycle_layout,   {0} },
3721         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3722         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3723         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3724         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3725         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3726         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3727         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3728         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3729         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3730         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3731         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3732         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3733         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3734         { "spawn_menu",         legacyfunc,     {0} },
3735         { "quit",               quit,           {0} },
3736         { "restart",            restart,        {0} },
3737         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3738         { "ws_1",               switchws,       {.id = 0} },
3739         { "ws_2",               switchws,       {.id = 1} },
3740         { "ws_3",               switchws,       {.id = 2} },
3741         { "ws_4",               switchws,       {.id = 3} },
3742         { "ws_5",               switchws,       {.id = 4} },
3743         { "ws_6",               switchws,       {.id = 5} },
3744         { "ws_7",               switchws,       {.id = 6} },
3745         { "ws_8",               switchws,       {.id = 7} },
3746         { "ws_9",               switchws,       {.id = 8} },
3747         { "ws_10",              switchws,       {.id = 9} },
3748         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3749         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3750         { "ws_prior",           priorws,        {0} },
3751         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3752         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3753         { "mvws_1",             send_to_ws,     {.id = 0} },
3754         { "mvws_2",             send_to_ws,     {.id = 1} },
3755         { "mvws_3",             send_to_ws,     {.id = 2} },
3756         { "mvws_4",             send_to_ws,     {.id = 3} },
3757         { "mvws_5",             send_to_ws,     {.id = 4} },
3758         { "mvws_6",             send_to_ws,     {.id = 5} },
3759         { "mvws_7",             send_to_ws,     {.id = 6} },
3760         { "mvws_8",             send_to_ws,     {.id = 7} },
3761         { "mvws_9",             send_to_ws,     {.id = 8} },
3762         { "mvws_10",            send_to_ws,     {.id = 9} },
3763         { "bar_toggle",         bar_toggle,     {0} },
3764         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3765         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3766         { "screenshot_all",     legacyfunc,     {0} },
3767         { "screenshot_wind",    legacyfunc,     {0} },
3768         { "float_toggle",       floating_toggle,{0} },
3769         { "version",            version,        {0} },
3770         { "spawn_lock",         legacyfunc,     {0} },
3771         { "spawn_initscr",      legacyfunc,     {0} },
3772         { "spawn_custom",       dummykeyfunc,   {0} },
3773         { "iconify",            iconify,        {0} },
3774         { "uniconify",          uniconify,      {0} },
3775         { "raise_toggle",       raise_toggle,   {0} },
3776         { "button2",            pressbutton,    {2} },
3777         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
3778         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
3779         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
3780         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
3781         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
3782         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
3783         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
3784         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
3785         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3786         { "invalid key func",   NULL,           {0} },
3787 };
3788 struct key {
3789         unsigned int            mod;
3790         KeySym                  keysym;
3791         enum keyfuncid          funcid;
3792         char                    *spawn_name;
3793 };
3794 int                             keys_size = 0, keys_length = 0;
3795 struct key                      *keys = NULL;
3796
3797 /* mouse */
3798 enum { client_click, root_click };
3799 struct button {
3800         unsigned int            action;
3801         unsigned int            mask;
3802         unsigned int            button;
3803         void                    (*func)(struct ws_win *, union arg *);
3804         union arg               args;
3805 } buttons[] = {
3806           /* action     key             mouse button    func    args */
3807         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3808         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3809         { client_click, MODKEY,         Button1,        move,   {0} },
3810 };
3811
3812 void
3813 update_modkey(unsigned int mod)
3814 {
3815         int                     i;
3816
3817         mod_key = mod;
3818         for (i = 0; i < keys_length; i++)
3819                 if (keys[i].mod & ShiftMask)
3820                         keys[i].mod = mod | ShiftMask;
3821                 else
3822                         keys[i].mod = mod;
3823
3824         for (i = 0; i < LENGTH(buttons); i++)
3825                 if (buttons[i].mask & ShiftMask)
3826                         buttons[i].mask = mod | ShiftMask;
3827                 else
3828                         buttons[i].mask = mod;
3829 }
3830
3831 /* spawn */
3832 struct spawn_prog {
3833         char                    *name;
3834         int                     argc;
3835         char                    **argv;
3836 };
3837
3838 int                             spawns_size = 0, spawns_length = 0;
3839 struct spawn_prog               *spawns = NULL;
3840
3841 int
3842 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3843     char ***ret_args)
3844 {
3845         struct spawn_prog       *prog = NULL;
3846         int                     i;
3847         char                    *ap, **real_args;
3848
3849         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3850
3851         /* find program */
3852         for (i = 0; i < spawns_length; i++) {
3853                 if (!strcasecmp(spawn_name, spawns[i].name))
3854                         prog = &spawns[i];
3855         }
3856         if (prog == NULL) {
3857                 fprintf(stderr, "spawn_custom: program %s not found\n",
3858                     spawn_name);
3859                 return (-1);
3860         }
3861
3862         /* make room for expanded args */
3863         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3864                 err(1, "spawn_custom: calloc real_args");
3865
3866         /* expand spawn_args into real_args */
3867         for (i = 0; i < prog->argc; i++) {
3868                 ap = prog->argv[i];
3869                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3870                 if (!strcasecmp(ap, "$bar_border")) {
3871                         if ((real_args[i] =
3872                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3873                             == NULL)
3874                                 err(1,  "spawn_custom border color");
3875                 } else if (!strcasecmp(ap, "$bar_color")) {
3876                         if ((real_args[i] =
3877                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3878                             == NULL)
3879                                 err(1, "spawn_custom bar color");
3880                 } else if (!strcasecmp(ap, "$bar_font")) {
3881                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3882                             == NULL)
3883                                 err(1, "spawn_custom bar fonts");
3884                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3885                         if ((real_args[i] =
3886                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3887                             == NULL)
3888                                 err(1, "spawn_custom color font");
3889                 } else if (!strcasecmp(ap, "$color_focus")) {
3890                         if ((real_args[i] =
3891                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3892                             == NULL)
3893                                 err(1, "spawn_custom color focus");
3894                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3895                         if ((real_args[i] =
3896                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3897                             == NULL)
3898                                 err(1, "spawn_custom color unfocus");
3899                 } else {
3900                         /* no match --> copy as is */
3901                         if ((real_args[i] = strdup(ap)) == NULL)
3902                                 err(1, "spawn_custom strdup(ap)");
3903                 }
3904                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3905                     real_args[i]);
3906         }
3907
3908 #ifdef SWM_DEBUG
3909         if ((swm_debug & SWM_D_SPAWN) != 0) {
3910                 fprintf(stderr, "spawn_custom: result = ");
3911                 for (i = 0; i < prog->argc; i++)
3912                         fprintf(stderr, "\"%s\" ", real_args[i]);
3913                 fprintf(stderr, "\n");
3914         }
3915 #endif
3916         *ret_args = real_args;
3917         return (prog->argc);
3918 }
3919
3920 void
3921 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3922 {
3923         union arg               a;
3924         char                    **real_args;
3925         int                     spawn_argc, i;
3926
3927         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3928                 return;
3929         a.argv = real_args;
3930         if (fork() == 0)
3931                 spawn(r->ws->idx, &a, 1);
3932
3933         for (i = 0; i < spawn_argc; i++)
3934                 free(real_args[i]);
3935         free(real_args);
3936 }
3937
3938 void
3939 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3940 {
3941         union arg               a;
3942         char                    **real_args;
3943         int                     i, spawn_argc;
3944
3945         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3946                 return;
3947         a.argv = real_args;
3948
3949         if (pipe(select_list_pipe) == -1)
3950                 err(1, "pipe error");
3951         if (pipe(select_resp_pipe) == -1)
3952                 err(1, "pipe error");
3953
3954         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3955                 err(1, "could not disable SIGPIPE");
3956         switch (*pid = fork()) {
3957         case -1:
3958                 err(1, "cannot fork");
3959                 break;
3960         case 0: /* child */
3961                 if (dup2(select_list_pipe[0], 0) == -1)
3962                         errx(1, "dup2");
3963                 if (dup2(select_resp_pipe[1], 1) == -1)
3964                         errx(1, "dup2");
3965                 close(select_list_pipe[1]);
3966                 close(select_resp_pipe[0]);
3967                 spawn(r->ws->idx, &a, 0);
3968                 break;
3969         default: /* parent */
3970                 close(select_list_pipe[0]);
3971                 close(select_resp_pipe[1]);
3972                 break;
3973         }
3974
3975         for (i = 0; i < spawn_argc; i++)
3976                 free(real_args[i]);
3977         free(real_args);
3978 }
3979
3980 void
3981 setspawn(struct spawn_prog *prog)
3982 {
3983         int                     i, j;
3984
3985         if (prog == NULL || prog->name == NULL)
3986                 return;
3987
3988         /* find existing */
3989         for (i = 0; i < spawns_length; i++) {
3990                 if (!strcmp(spawns[i].name, prog->name)) {
3991                         /* found */
3992                         if (prog->argv == NULL) {
3993                                 /* delete */
3994                                 DNPRINTF(SWM_D_SPAWN,
3995                                     "setspawn: delete #%d %s\n",
3996                                     i, spawns[i].name);
3997                                 free(spawns[i].name);
3998                                 for (j = 0; j < spawns[i].argc; j++)
3999                                         free(spawns[i].argv[j]);
4000                                 free(spawns[i].argv);
4001                                 j = spawns_length - 1;
4002                                 if (i < j)
4003                                         spawns[i] = spawns[j];
4004                                 spawns_length--;
4005                                 free(prog->name);
4006                         } else {
4007                                 /* replace */
4008                                 DNPRINTF(SWM_D_SPAWN,
4009                                     "setspawn: replace #%d %s\n",
4010                                     i, spawns[i].name);
4011                                 free(spawns[i].name);
4012                                 for (j = 0; j < spawns[i].argc; j++)
4013                                         free(spawns[i].argv[j]);
4014                                 free(spawns[i].argv);
4015                                 spawns[i] = *prog;
4016                         }
4017                         /* found case handled */
4018                         free(prog);
4019                         return;
4020                 }
4021         }
4022
4023         if (prog->argv == NULL) {
4024                 fprintf(stderr,
4025                     "error: setspawn: cannot find program %s", prog->name);
4026                 free(prog);
4027                 return;
4028         }
4029
4030         /* not found: add */
4031         if (spawns_size == 0 || spawns == NULL) {
4032                 spawns_size = 4;
4033                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4034                 spawns = malloc((size_t)spawns_size *
4035                     sizeof(struct spawn_prog));
4036                 if (spawns == NULL) {
4037                         fprintf(stderr, "setspawn: malloc failed\n");
4038                         perror(" failed");
4039                         quit(NULL, NULL);
4040                 }
4041         } else if (spawns_length == spawns_size) {
4042                 spawns_size *= 2;
4043                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4044                 spawns = realloc(spawns, (size_t)spawns_size *
4045                     sizeof(struct spawn_prog));
4046                 if (spawns == NULL) {
4047                         fprintf(stderr, "setspawn: realloc failed\n");
4048                         perror(" failed");
4049                         quit(NULL, NULL);
4050                 }
4051         }
4052
4053         if (spawns_length < spawns_size) {
4054                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4055                     spawns_length, prog->name);
4056                 i = spawns_length++;
4057                 spawns[i] = *prog;
4058         } else {
4059                 fprintf(stderr, "spawns array problem?\n");
4060                 if (spawns == NULL) {
4061                         fprintf(stderr, "spawns array is NULL!\n");
4062                         quit(NULL, NULL);
4063                 }
4064         }
4065         free(prog);
4066 }
4067
4068 int
4069 setconfspawn(char *selector, char *value, int flags)
4070 {
4071         struct spawn_prog       *prog;
4072         char                    *vp, *cp, *word;
4073
4074         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4075         if ((prog = calloc(1, sizeof *prog)) == NULL)
4076                 err(1, "setconfspawn: calloc prog");
4077         prog->name = strdup(selector);
4078         if (prog->name == NULL)
4079                 err(1, "setconfspawn prog->name");
4080         if ((cp = vp = strdup(value)) == NULL)
4081                 err(1, "setconfspawn: strdup(value) ");
4082         while ((word = strsep(&cp, " \t")) != NULL) {
4083                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4084                 if (cp)
4085                         cp += (long)strspn(cp, " \t");
4086                 if (strlen(word) > 0) {
4087                         prog->argc++;
4088                         if ((prog->argv = realloc(prog->argv,
4089                             prog->argc * sizeof(char *))) == NULL)
4090                                 err(1, "setconfspawn: realloc");
4091                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4092                                 err(1, "setconfspawn: strdup");
4093                 }
4094         }
4095         free(vp);
4096
4097         setspawn(prog);
4098
4099         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4100         return (0);
4101 }
4102
4103 void
4104 setup_spawn(void)
4105 {
4106         setconfspawn("term",            "xterm",                0);
4107         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4108         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4109         setconfspawn("lock",            "xlock",                0);
4110         setconfspawn("initscr",         "initscreen.sh",        0);
4111         setconfspawn("menu",            "dmenu_run"
4112                                         " -fn $bar_font"
4113                                         " -nb $bar_color"
4114                                         " -nf $bar_font_color"
4115                                         " -sb $bar_border"
4116                                         " -sf $bar_color",      0);
4117         setconfspawn("uniconify",       "dmenu"
4118                                         " -i"
4119                                         " -fn $bar_font"
4120                                         " -nb $bar_color"
4121                                         " -nf $bar_font_color"
4122                                         " -sb $bar_border"
4123                                         " -sf $bar_color",      0);
4124 }
4125
4126 /* key bindings */
4127 #define SWM_MODNAME_SIZE        32
4128 #define SWM_KEY_WS              "\n+ \t"
4129 int
4130 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4131 {
4132         char                    *cp, *name;
4133         KeySym                  uks;
4134         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4135         if (mod == NULL || ks == NULL) {
4136                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4137                 return (1);
4138         }
4139         if (keystr == NULL || strlen(keystr) == 0) {
4140                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4141                 return (1);
4142         }
4143         cp = keystr;
4144         *ks = NoSymbol;
4145         *mod = 0;
4146         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4147                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4148                 if (cp)
4149                         cp += (long)strspn(cp, SWM_KEY_WS);
4150                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4151                         *mod |= currmod;
4152                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4153                         *mod |= Mod1Mask;
4154                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4155                         *mod += Mod2Mask;
4156                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4157                         *mod |= Mod3Mask;
4158                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4159                         *mod |= Mod4Mask;
4160                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4161                         *mod |= ShiftMask;
4162                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4163                         *mod |= ControlMask;
4164                 else {
4165                         *ks = XStringToKeysym(name);
4166                         XConvertCase(*ks, ks, &uks);
4167                         if (ks == NoSymbol) {
4168                                 DNPRINTF(SWM_D_KEY,
4169                                     "parsekeys: invalid key %s\n",
4170                                     name);
4171                                 return (1);
4172                         }
4173                 }
4174         }
4175         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4176         return (0);
4177 }
4178
4179 char *
4180 strdupsafe(char *str)
4181 {
4182         if (str == NULL)
4183                 return (NULL);
4184         else
4185                 return (strdup(str));
4186 }
4187
4188 void
4189 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4190     char *spawn_name)
4191 {
4192         int                     i, j;
4193         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4194             keyfuncs[kfid].name, spawn_name);
4195         /* find existing */
4196         for (i = 0; i < keys_length; i++) {
4197                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4198                         if (kfid == kf_invalid) {
4199                                 /* found: delete */
4200                                 DNPRINTF(SWM_D_KEY,
4201                                     "setkeybinding: delete #%d %s\n",
4202                                     i, keyfuncs[keys[i].funcid].name);
4203                                 free(keys[i].spawn_name);
4204                                 j = keys_length - 1;
4205                                 if (i < j)
4206                                         keys[i] = keys[j];
4207                                 keys_length--;
4208                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4209                                 return;
4210                         } else {
4211                                 /* found: replace */
4212                                 DNPRINTF(SWM_D_KEY,
4213                                     "setkeybinding: replace #%d %s %s\n",
4214                                     i, keyfuncs[keys[i].funcid].name,
4215                                     spawn_name);
4216                                 free(keys[i].spawn_name);
4217                                 keys[i].mod = mod;
4218                                 keys[i].keysym = ks;
4219                                 keys[i].funcid = kfid;
4220                                 keys[i].spawn_name = strdupsafe(spawn_name);
4221                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4222                                 return;
4223                         }
4224                 }
4225         }
4226         if (kfid == kf_invalid) {
4227                 fprintf(stderr,
4228                     "error: setkeybinding: cannot find mod/key combination");
4229                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4230                 return;
4231         }
4232         /* not found: add */
4233         if (keys_size == 0 || keys == NULL) {
4234                 keys_size = 4;
4235                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4236                 keys = malloc((size_t)keys_size * sizeof(struct key));
4237                 if (keys == NULL) {
4238                         fprintf(stderr, "malloc failed\n");
4239                         perror(" failed");
4240                         quit(NULL, NULL);
4241                 }
4242         } else if (keys_length == keys_size) {
4243                 keys_size *= 2;
4244                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4245                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4246                 if (keys == NULL) {
4247                         fprintf(stderr, "realloc failed\n");
4248                         perror(" failed");
4249                         quit(NULL, NULL);
4250                 }
4251         }
4252         if (keys_length < keys_size) {
4253                 j = keys_length++;
4254                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4255                     j, keyfuncs[kfid].name, spawn_name);
4256                 keys[j].mod = mod;
4257                 keys[j].keysym = ks;
4258                 keys[j].funcid = kfid;
4259                 keys[j].spawn_name = strdupsafe(spawn_name);
4260         } else {
4261                 fprintf(stderr, "keys array problem?\n");
4262                 if (keys == NULL) {
4263                         fprintf(stderr, "keys array problem\n");
4264                         quit(NULL, NULL);
4265                 }
4266         }
4267         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4268 }
4269
4270 int
4271 setconfbinding(char *selector, char *value, int flags)
4272 {
4273         enum keyfuncid          kfid;
4274         unsigned int            mod;
4275         KeySym                  ks;
4276         int                     i;
4277         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4278         if (selector == NULL) {
4279                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4280                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4281                         kfid = kf_invalid;
4282                         setkeybinding(mod, ks, kfid, NULL);
4283                         return (0);
4284                 } else
4285                         return (1);
4286         }
4287         /* search by key function name */
4288         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4289                 if (strncasecmp(selector, keyfuncs[kfid].name,
4290                     SWM_FUNCNAME_LEN) == 0) {
4291                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4292                             selector);
4293                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4294                                 setkeybinding(mod, ks, kfid, NULL);
4295                                 return (0);
4296                         } else
4297                                 return (1);
4298                 }
4299         }
4300         /* search by custom spawn name */
4301         for (i = 0; i < spawns_length; i++) {
4302                 if (strcasecmp(selector, spawns[i].name) == 0) {
4303                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4304                             selector);
4305                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4306                                 setkeybinding(mod, ks, kf_spawn_custom,
4307                                     spawns[i].name);
4308                                 return (0);
4309                         } else
4310                                 return (1);
4311                 }
4312         }
4313         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4314         return (1);
4315 }
4316
4317 void
4318 setup_keys(void)
4319 {
4320         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4321         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4322         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4323         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4324         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4325         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4326         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4327         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4328         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4329         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4330         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4331         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4332         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4333         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4334         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4335         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4336         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4337         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4338         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4339         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4340         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4341         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4342         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4343         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4344         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4345         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4346         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4347         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4348         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4349         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4350         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4351         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4352         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4353         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4354         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4355         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4356         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4357         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4358         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4359         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4360         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4361         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4362         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4363         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4364         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4365         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4366         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4367         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4368         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4369         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4370         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4371         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4372         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4373         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4374         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4375         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4376         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4377         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4378         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4379         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4380         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4381         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4382         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4383         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4384         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4385         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4386 #ifdef SWM_DEBUG
4387         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4388 #endif
4389 }
4390
4391 void
4392 clear_keys(void)
4393 {
4394         int                     i;
4395
4396         /* clear all key bindings, if any */
4397         for (i = 0; i < keys_length; i++)
4398                 free(keys[i].spawn_name);
4399         keys_length = 0;
4400 }
4401
4402 int
4403 setkeymapping(char *selector, char *value, int flags)
4404 {
4405         char                    keymapping_file[PATH_MAX];
4406         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4407         if (value[0] == '~')
4408                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4409                     pwd->pw_dir, &value[1]);
4410         else
4411                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4412         clear_keys();
4413         /* load new key bindings; if it fails, revert to default bindings */
4414         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4415                 clear_keys();
4416                 setup_keys();
4417         }
4418         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4419         return (0);
4420 }
4421
4422 void
4423 updatenumlockmask(void)
4424 {
4425         unsigned int            i, j;
4426         XModifierKeymap         *modmap;
4427
4428         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4429         numlockmask = 0;
4430         modmap = XGetModifierMapping(display);
4431         for (i = 0; i < 8; i++)
4432                 for (j = 0; j < modmap->max_keypermod; j++)
4433                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4434                             == XKeysymToKeycode(display, XK_Num_Lock))
4435                                 numlockmask = (1 << i);
4436
4437         XFreeModifiermap(modmap);
4438 }
4439
4440 void
4441 grabkeys(void)
4442 {
4443         unsigned int            i, j, k;
4444         KeyCode                 code;
4445         unsigned int            modifiers[] =
4446             { 0, LockMask, numlockmask, numlockmask | LockMask };
4447
4448         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4449         updatenumlockmask();
4450
4451         for (k = 0; k < ScreenCount(display); k++) {
4452                 if (TAILQ_EMPTY(&screens[k].rl))
4453                         continue;
4454                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4455                 for (i = 0; i < keys_length; i++) {
4456                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4457                                 for (j = 0; j < LENGTH(modifiers); j++)
4458                                         XGrabKey(display, code,
4459                                             keys[i].mod | modifiers[j],
4460                                             screens[k].root, True,
4461                                             GrabModeAsync, GrabModeAsync);
4462                 }
4463         }
4464 }
4465
4466 void
4467 grabbuttons(struct ws_win *win, int focused)
4468 {
4469         unsigned int            i, j;
4470         unsigned int            modifiers[] =
4471             { 0, LockMask, numlockmask, numlockmask|LockMask };
4472
4473         updatenumlockmask();
4474         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4475         if (focused) {
4476                 for (i = 0; i < LENGTH(buttons); i++)
4477                         if (buttons[i].action == client_click)
4478                                 for (j = 0; j < LENGTH(modifiers); j++)
4479                                         XGrabButton(display, buttons[i].button,
4480                                             buttons[i].mask | modifiers[j],
4481                                             win->id, False, BUTTONMASK,
4482                                             GrabModeAsync, GrabModeSync, None,
4483                                             None);
4484         } else
4485                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4486                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4487 }
4488
4489 const char *quirkname[] = {
4490         "NONE",         /* config string for "no value" */
4491         "FLOAT",
4492         "TRANSSZ",
4493         "ANYWHERE",
4494         "XTERM_FONTADJ",
4495         "FULLSCREEN",
4496         "FOCUSPREV",
4497 };
4498
4499 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4500 #define SWM_Q_WS                "\n|+ \t"
4501 int
4502 parsequirks(char *qstr, unsigned long *quirk)
4503 {
4504         char                    *cp, *name;
4505         int                     i;
4506
4507         if (quirk == NULL)
4508                 return (1);
4509
4510         cp = qstr;
4511         *quirk = 0;
4512         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4513                 if (cp)
4514                         cp += (long)strspn(cp, SWM_Q_WS);
4515                 for (i = 0; i < LENGTH(quirkname); i++) {
4516                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4517                                 DNPRINTF(SWM_D_QUIRK,
4518                                     "parsequirks: %s\n", name);
4519                                 if (i == 0) {
4520                                         *quirk = 0;
4521                                         return (0);
4522                                 }
4523                                 *quirk |= 1 << (i-1);
4524                                 break;
4525                         }
4526                 }
4527                 if (i >= LENGTH(quirkname)) {
4528                         DNPRINTF(SWM_D_QUIRK,
4529                             "parsequirks: invalid quirk [%s]\n", name);
4530                         return (1);
4531                 }
4532         }
4533         return (0);
4534 }
4535
4536 void
4537 setquirk(const char *class, const char *name, const int quirk)
4538 {
4539         int                     i, j;
4540
4541         /* find existing */
4542         for (i = 0; i < quirks_length; i++) {
4543                 if (!strcmp(quirks[i].class, class) &&
4544                     !strcmp(quirks[i].name, name)) {
4545                         if (!quirk) {
4546                                 /* found: delete */
4547                                 DNPRINTF(SWM_D_QUIRK,
4548                                     "setquirk: delete #%d %s:%s\n",
4549                                     i, quirks[i].class, quirks[i].name);
4550                                 free(quirks[i].class);
4551                                 free(quirks[i].name);
4552                                 j = quirks_length - 1;
4553                                 if (i < j)
4554                                         quirks[i] = quirks[j];
4555                                 quirks_length--;
4556                                 return;
4557                         } else {
4558                                 /* found: replace */
4559                                 DNPRINTF(SWM_D_QUIRK,
4560                                     "setquirk: replace #%d %s:%s\n",
4561                                     i, quirks[i].class, quirks[i].name);
4562                                 free(quirks[i].class);
4563                                 free(quirks[i].name);
4564                                 quirks[i].class = strdup(class);
4565                                 quirks[i].name = strdup(name);
4566                                 quirks[i].quirk = quirk;
4567                                 return;
4568                         }
4569                 }
4570         }
4571         if (!quirk) {
4572                 fprintf(stderr,
4573                     "error: setquirk: cannot find class/name combination");
4574                 return;
4575         }
4576         /* not found: add */
4577         if (quirks_size == 0 || quirks == NULL) {
4578                 quirks_size = 4;
4579                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4580                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4581                 if (quirks == NULL) {
4582                         fprintf(stderr, "setquirk: malloc failed\n");
4583                         perror(" failed");
4584                         quit(NULL, NULL);
4585                 }
4586         } else if (quirks_length == quirks_size) {
4587                 quirks_size *= 2;
4588                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4589                 quirks = realloc(quirks,
4590                     (size_t)quirks_size * sizeof(struct quirk));
4591                 if (quirks == NULL) {
4592                         fprintf(stderr, "setquirk: realloc failed\n");
4593                         perror(" failed");
4594                         quit(NULL, NULL);
4595                 }
4596         }
4597         if (quirks_length < quirks_size) {
4598                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4599                 j = quirks_length++;
4600                 quirks[j].class = strdup(class);
4601                 quirks[j].name = strdup(name);
4602                 quirks[j].quirk = quirk;
4603         } else {
4604                 fprintf(stderr, "quirks array problem?\n");
4605                 if (quirks == NULL) {
4606                         fprintf(stderr, "quirks array problem!\n");
4607                         quit(NULL, NULL);
4608                 }
4609         }
4610 }
4611
4612 int
4613 setconfquirk(char *selector, char *value, int flags)
4614 {
4615         char                    *cp, *class, *name;
4616         int                     retval;
4617         unsigned long           quirks;
4618         if (selector == NULL)
4619                 return (0);
4620         if ((cp = strchr(selector, ':')) == NULL)
4621                 return (0);
4622         *cp = '\0';
4623         class = selector;
4624         name = cp + 1;
4625         if ((retval = parsequirks(value, &quirks)) == 0)
4626                 setquirk(class, name, quirks);
4627         return (retval);
4628 }
4629
4630 void
4631 setup_quirks(void)
4632 {
4633         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4634         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4635         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4636         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4637         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4638         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4639         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4640         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4641         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4642         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4643         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4644         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4645         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4646 }
4647
4648 /* conf file stuff */
4649 #define SWM_CONF_FILE   "scrotwm.conf"
4650
4651 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4652           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4653           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4654           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4655           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
4656           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4657           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4658           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
4659           SWM_S_VERBOSE_LAYOUT
4660         };
4661
4662 int
4663 setconfvalue(char *selector, char *value, int flags)
4664 {
4665         int i;
4666         switch (flags) {
4667         case SWM_S_BAR_DELAY:
4668                 bar_delay = atoi(value);
4669                 break;
4670         case SWM_S_BAR_ENABLED:
4671                 bar_enabled = atoi(value);
4672                 break;
4673         case SWM_S_BAR_BORDER_WIDTH:
4674                 bar_border_width = atoi(value);
4675                 break;
4676         case SWM_S_BAR_AT_BOTTOM:
4677                 bar_at_bottom = atoi(value);
4678                 break;
4679         case SWM_S_STACK_ENABLED:
4680                 stack_enabled = atoi(value);
4681                 break;
4682         case SWM_S_CLOCK_ENABLED:
4683                 clock_enabled = atoi(value);
4684                 break;
4685         case SWM_S_CLOCK_FORMAT:
4686 #ifndef SWM_DENY_CLOCK_FORMAT
4687                 free(clock_format);
4688                 if ((clock_format = strdup(value)) == NULL)
4689                         err(1, "setconfvalue: clock_format");
4690 #endif
4691                 break;
4692         case SWM_S_CYCLE_EMPTY:
4693                 cycle_empty = atoi(value);
4694                 break;
4695         case SWM_S_CYCLE_VISIBLE:
4696                 cycle_visible = atoi(value);
4697                 break;
4698         case SWM_S_SS_ENABLED:
4699                 ss_enabled = atoi(value);
4700                 break;
4701         case SWM_S_TERM_WIDTH:
4702                 term_width = atoi(value);
4703                 break;
4704         case SWM_S_TITLE_CLASS_ENABLED:
4705                 title_class_enabled = atoi(value);
4706                 break;
4707         case SWM_S_WINDOW_NAME_ENABLED:
4708                 window_name_enabled = atoi(value);
4709                 break;
4710         case SWM_S_TITLE_NAME_ENABLED:
4711                 title_name_enabled = atoi(value);
4712                 break;
4713         case SWM_S_URGENT_ENABLED:
4714                 urgent_enabled = atoi(value);
4715                 break;
4716         case SWM_S_FOCUS_MODE:
4717                 if (!strcmp(value, "default"))
4718                         focus_mode = SWM_FOCUS_DEFAULT;
4719                 else if (!strcmp(value, "follow_cursor"))
4720                         focus_mode = SWM_FOCUS_FOLLOW;
4721                 else if (!strcmp(value, "synergy"))
4722                         focus_mode = SWM_FOCUS_SYNERGY;
4723                 else
4724                         err(1, "focus_mode");
4725                 break;
4726         case SWM_S_DISABLE_BORDER:
4727                 disable_border = atoi(value);
4728                 break;
4729         case SWM_S_BORDER_WIDTH:
4730                 border_width = atoi(value);
4731                 break;
4732         case SWM_S_BAR_FONT:
4733                 free(bar_fonts[0]);
4734                 if ((bar_fonts[0] = strdup(value)) == NULL)
4735                         err(1, "setconfvalue: bar_font");
4736                 break;
4737         case SWM_S_BAR_ACTION:
4738                 free(bar_argv[0]);
4739                 if ((bar_argv[0] = strdup(value)) == NULL)
4740                         err(1, "setconfvalue: bar_action");
4741                 break;
4742         case SWM_S_SPAWN_TERM:
4743                 free(spawn_term[0]);
4744                 if ((spawn_term[0] = strdup(value)) == NULL)
4745                         err(1, "setconfvalue: spawn_term");
4746                 break;
4747         case SWM_S_SS_APP:
4748                 break;
4749         case SWM_S_DIALOG_RATIO:
4750                 dialog_ratio = atof(value);
4751                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4752                         dialog_ratio = .6;
4753                 break;
4754         case SWM_S_VERBOSE_LAYOUT:
4755                 verbose_layout = atoi(value);
4756                 for (i = 0; layouts[i].l_stack != NULL; i++) {
4757                         if (verbose_layout)
4758                                 layouts[i].l_string = fancy_stacker;
4759                         else
4760                                 layouts[i].l_string = plain_stacker;
4761                 }
4762                 break;
4763         default:
4764                 return (1);
4765         }
4766         return (0);
4767 }
4768
4769 int
4770 setconfmodkey(char *selector, char *value, int flags)
4771 {
4772         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4773                 update_modkey(Mod1Mask);
4774         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4775                 update_modkey(Mod2Mask);
4776         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4777                 update_modkey(Mod3Mask);
4778         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4779                 update_modkey(Mod4Mask);
4780         else
4781                 return (1);
4782         return (0);
4783 }
4784
4785 int
4786 setconfcolor(char *selector, char *value, int flags)
4787 {
4788         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4789         return (0);
4790 }
4791
4792 int
4793 setconfregion(char *selector, char *value, int flags)
4794 {
4795         custom_region(value);
4796         return (0);
4797 }
4798
4799 int
4800 setautorun(char *selector, char *value, int flags)
4801 {
4802         int                     ws_id;
4803         char                    s[1024];
4804         char                    *ap, *sp = s;
4805         union arg               a;
4806         int                     argc = 0;
4807         long                    pid;
4808         struct pid_e            *p;
4809
4810         if (getenv("SWM_STARTED"))
4811                 return (0);
4812
4813         bzero(s, sizeof s);
4814         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
4815                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'\n");
4816         ws_id--;
4817         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4818                 errx(1, "autorun: invalid workspace %d\n", ws_id + 1);
4819
4820         /*
4821          * This is a little intricate
4822          *
4823          * If the pid already exists we simply reuse it because it means it was
4824          * used before AND not claimed by manage_window.  We get away with
4825          * altering it in the parent after INSERT because this can not be a race
4826          */
4827         a.argv = NULL;
4828         while ((ap = strsep(&sp, " \t")) != NULL) {
4829                 if (*ap == '\0')
4830                         continue;
4831                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
4832                 argc++;
4833                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
4834                         err(1, "setautorun: realloc");
4835                 a.argv[argc - 1] = ap;
4836         }
4837
4838         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
4839                 err(1, "setautorun: realloc");
4840         a.argv[argc] = NULL;
4841
4842         if ((pid = fork()) == 0) {
4843                 spawn(ws_id, &a, 1);
4844                 /* NOTREACHED */
4845                 _exit(1);
4846         }
4847         free(a.argv);
4848
4849         /* parent */
4850         p = find_pid(pid);
4851         if (p == NULL) {
4852                 p = calloc(1, sizeof *p);
4853                 if (p == NULL)
4854                         return (1);
4855                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4856         }
4857
4858         p->pid = pid;
4859         p->ws = ws_id;
4860
4861         return (0);
4862 }
4863
4864 int
4865 setlayout(char *selector, char *value, int flags)
4866 {
4867         int                     ws_id, i, x, mg, ma, si, raise;
4868         int                     st = SWM_V_STACK;
4869         char                    s[1024];
4870         struct workspace        *ws;
4871
4872         if (getenv("SWM_STARTED"))
4873                 return (0);
4874
4875         bzero(s, sizeof s);
4876         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
4877             &ws_id, &mg, &ma, &si, &raise, s) != 6)
4878                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4879                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4880                     "<type>'\n");
4881         ws_id--;
4882         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4883                 errx(1, "layout: invalid workspace %d\n", ws_id + 1);
4884
4885         if (!strcasecmp(s, "vertical"))
4886                 st = SWM_V_STACK;
4887         else if (!strcasecmp(s, "horizontal"))
4888                 st = SWM_H_STACK;
4889         else if (!strcasecmp(s, "fullscreen"))
4890                 st = SWM_MAX_STACK;
4891         else
4892                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4893                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4894                     "<type>'\n");
4895
4896         for (i = 0; i < ScreenCount(display); i++) {
4897                 ws = (struct workspace *)&screens[i].ws;
4898                 ws[ws_id].cur_layout = &layouts[st];
4899
4900                 ws[ws_id].always_raise = raise;
4901                 if (st == SWM_MAX_STACK)
4902                         continue;
4903
4904                 /* master grow */
4905                 for (x = 0; x < abs(mg); x++) {
4906                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4907                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
4908                             SWM_ARG_ID_MASTERSHRINK);
4909                         stack();
4910                 }
4911                 /* master add */
4912                 for (x = 0; x < abs(ma); x++) {
4913                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4914                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
4915                             SWM_ARG_ID_MASTERDEL);
4916                         stack();
4917                 }
4918                 /* stack inc */
4919                 for (x = 0; x < abs(si); x++) {
4920                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4921                             si >= 0 ?  SWM_ARG_ID_STACKINC :
4922                             SWM_ARG_ID_STACKDEC);
4923                         stack();
4924                 }
4925         }
4926
4927         return (0);
4928 }
4929
4930 /* config options */
4931 struct config_option {
4932         char                    *optname;
4933         int                     (*func)(char*, char*, int);
4934         int                     funcflags;
4935 };
4936 struct config_option configopt[] = {
4937         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4938         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4939         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4940         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4941         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4942         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4943         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4944         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4945         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4946         { "keyboard_mapping",           setkeymapping,  0 },
4947         { "bind",                       setconfbinding, 0 },
4948         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4949         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4950         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4951         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4952         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4953         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4954         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4955         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4956         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
4957         { "modkey",                     setconfmodkey,  0 },
4958         { "program",                    setconfspawn,   0 },
4959         { "quirk",                      setconfquirk,   0 },
4960         { "region",                     setconfregion,  0 },
4961         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4962         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4963         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4964         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4965         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
4966         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4967         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4968         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4969         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4970         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4971         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4972         { "autorun",                    setautorun,     0 },
4973         { "layout",                     setlayout,      0 },
4974 };
4975
4976
4977 int
4978 conf_load(char *filename, int keymapping)
4979 {
4980         FILE                    *config;
4981         char                    *line, *cp, *optsub, *optval;
4982         size_t                  linelen, lineno = 0;
4983         int                     wordlen, i, optind;
4984         struct config_option    *opt;
4985
4986         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4987
4988         if (filename == NULL) {
4989                 fprintf(stderr, "conf_load: no filename\n");
4990                 return (1);
4991         }
4992         if ((config = fopen(filename, "r")) == NULL) {
4993                 warn("conf_load: fopen: %s", filename);
4994                 return (1);
4995         }
4996
4997         while (!feof(config)) {
4998                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4999                     == NULL) {
5000                         if (ferror(config))
5001                                 err(1, "%s", filename);
5002                         else
5003                                 continue;
5004                 }
5005                 cp = line;
5006                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5007                 if (cp[0] == '\0') {
5008                         /* empty line */
5009                         free(line);
5010                         continue;
5011                 }
5012                 /* get config option */
5013                 wordlen = strcspn(cp, "=[ \t\n");
5014                 if (wordlen == 0) {
5015                         warnx("%s: line %zd: no option found",
5016                             filename, lineno);
5017                         return (1);
5018                 }
5019                 optind = -1;
5020                 for (i = 0; i < LENGTH(configopt); i++) {
5021                         opt = &configopt[i];
5022                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5023                             strlen(opt->optname) == wordlen) {
5024                                 optind = i;
5025                                 break;
5026                         }
5027                 }
5028                 if (optind == -1) {
5029                         warnx("%s: line %zd: unknown option %.*s",
5030                             filename, lineno, wordlen, cp);
5031                         return (1);
5032                 }
5033                 if (keymapping && strcmp(opt->optname, "bind")) {
5034                         warnx("%s: line %zd: invalid option %.*s",
5035                             filename, lineno, wordlen, cp);
5036                         return (1);
5037                 }
5038                 cp += wordlen;
5039                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5040                 /* get [selector] if any */
5041                 optsub = NULL;
5042                 if (*cp == '[') {
5043                         cp++;
5044                         wordlen = strcspn(cp, "]");
5045                         if (*cp != ']') {
5046                                 if (wordlen == 0) {
5047                                         warnx("%s: line %zd: syntax error",
5048                                             filename, lineno);
5049                                         return (1);
5050                                 }
5051                                 asprintf(&optsub, "%.*s", wordlen, cp);
5052                         }
5053                         cp += wordlen;
5054                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5055                 }
5056                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5057                 /* get RHS value */
5058                 optval = strdup(cp);
5059                 /* call function to deal with it all */
5060                 if (configopt[optind].func(optsub, optval,
5061                     configopt[optind].funcflags) != 0) {
5062                         fprintf(stderr, "%s line %zd: %s\n",
5063                             filename, lineno, line);
5064                         errx(1, "%s: line %zd: invalid data for %s",
5065                             filename, lineno, configopt[optind].optname);
5066                 }
5067                 free(optval);
5068                 free(optsub);
5069                 free(line);
5070         }
5071
5072         fclose(config);
5073         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5074
5075         return (0);
5076 }
5077
5078 void
5079 set_child_transient(struct ws_win *win, Window *trans)
5080 {
5081         struct ws_win           *parent, *w;
5082         XWMHints                *wmh = NULL;
5083         struct swm_region       *r;
5084         struct workspace        *ws;
5085
5086         parent = find_window(win->transient);
5087         if (parent)
5088                 parent->child_trans = win;
5089         else {
5090                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5091                     " for %lu trans %lu\n", win->id, win->transient);
5092
5093                 if (win->hints == NULL) {
5094                         fprintf(stderr, "no hints for %lu\n", win->id);
5095                         return;
5096                 }
5097
5098                 r = root_to_region(win->wa.root);
5099                 ws = r->ws;
5100                 /* parent doen't exist in our window list */
5101                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5102                         if (wmh)
5103                                 XFree(wmh);
5104
5105                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5106                                 fprintf(stderr, "can't get hints for %lu\n",
5107                                     w->id);
5108                                 continue;
5109                         }
5110
5111                         if (win->hints->window_group != wmh->window_group)
5112                                 continue;
5113
5114                         w->child_trans = win;
5115                         win->transient = w->id;
5116                         *trans = w->id;
5117                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5118                             "transient to %lu\n", win->transient);
5119                         break;
5120                 }
5121         }
5122
5123         if (wmh)
5124                 XFree(wmh);
5125 }
5126
5127 long
5128 window_get_pid(Window win)
5129 {
5130         Atom                    actual_type_return;
5131         int                     actual_format_return = 0;
5132         unsigned long           nitems_return = 0;
5133         unsigned long           bytes_after_return = 0;
5134         long                    *pid = NULL;
5135         long                    ret = 0;
5136         const char              *errstr;
5137         unsigned char           *prop = NULL;
5138
5139         if (XGetWindowProperty(display, win,
5140             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5141             XA_CARDINAL, &actual_type_return, &actual_format_return,
5142             &nitems_return, &bytes_after_return,
5143             (unsigned char**)(void*)&pid) != Success)
5144                 goto tryharder;
5145         if (actual_type_return != XA_CARDINAL)
5146                 goto tryharder;
5147         if (pid == NULL)
5148                 goto tryharder;
5149
5150         ret = *pid;
5151         XFree(pid);
5152
5153         return (ret);
5154
5155 tryharder:
5156         if (XGetWindowProperty(display, win,
5157             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5158             XA_STRING, &actual_type_return, &actual_format_return,
5159             &nitems_return, &bytes_after_return, &prop) != Success)
5160                 return (0);
5161         if (actual_type_return != XA_STRING)
5162                 return (0);
5163         if (prop == NULL)
5164                 return (0);
5165
5166         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5167         /* ignore error because strtonum returns 0 anyway */
5168         XFree(prop);
5169
5170         return (ret);
5171 }
5172
5173 struct ws_win *
5174 manage_window(Window id)
5175 {
5176         Window                  trans = 0;
5177         struct workspace        *ws;
5178         struct ws_win           *win, *ww;
5179         int                     format, i, ws_idx, n, border_me = 0;
5180         unsigned long           nitems, bytes;
5181         Atom                    ws_idx_atom = 0, type;
5182         Atom                    *prot = NULL, *pp;
5183         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5184         struct swm_region       *r;
5185         long                    mask;
5186         const char              *errstr;
5187         XWindowChanges          wc;
5188         struct pid_e            *p;
5189
5190         if ((win = find_window(id)) != NULL)
5191                 return (win);   /* already being managed */
5192
5193         /* see if we are on the unmanaged list */
5194         if ((win = find_unmanaged_window(id)) != NULL) {
5195                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5196                     "%lu\n", win->id);
5197                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5198                 if (win->transient) {
5199                         set_child_transient(win, &trans);
5200                 } if (trans && (ww = find_window(trans)))
5201                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5202                 else
5203                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5204                 ewmh_update_actions(win);
5205                 return (win);
5206         }
5207
5208         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5209                 errx(1, "calloc: failed to allocate memory for new window");
5210
5211         win->id = id;
5212
5213         /* see if we need to override the workspace */
5214         p = find_pid(window_get_pid(id));
5215
5216         /* Get all the window data in one shot */
5217         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5218         if (ws_idx_atom) {
5219                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5220                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5221         }
5222         XGetWindowAttributes(display, id, &win->wa);
5223         XGetWMNormalHints(display, id, &win->sh, &mask);
5224         win->hints = XGetWMHints(display, id);
5225         XGetTransientForHint(display, id, &trans);
5226         if (trans) {
5227                 win->transient = trans;
5228                 set_child_transient(win, &trans);
5229                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5230                     win->id, win->transient);
5231         }
5232
5233         /* get supported protocols */
5234         if (XGetWMProtocols(display, id, &prot, &n)) {
5235                 for (i = 0, pp = prot; i < n; i++, pp++) {
5236                         if (*pp == takefocus)
5237                                 win->take_focus = 1;
5238                         if (*pp == adelete)
5239                                 win->can_delete = 1;
5240                 }
5241                 if (prot)
5242                         XFree(prot);
5243         }
5244
5245         win->iconic = get_iconic(win);
5246
5247         /*
5248          * Figure out where to put the window. If it was previously assigned to
5249          * a workspace (either by spawn() or manually moving), and isn't
5250          * transient, * put it in the same workspace
5251          */
5252         r = root_to_region(win->wa.root);
5253         if (p) {
5254                 ws = &r->s->ws[p->ws];
5255                 TAILQ_REMOVE(&pidlist, p, entry);
5256                 free(p);
5257                 p = NULL;
5258         } else if (prop && win->transient == 0) {
5259                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5260                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5261                 if (errstr) {
5262                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5263                             errstr, prop);
5264                 }
5265                 ws = &r->s->ws[ws_idx];
5266         } else {
5267                 ws = r->ws;
5268                 /* this should launch transients in the same ws as parent */
5269                 if (id && trans)
5270                         if ((ww = find_window(trans)) != NULL)
5271                                 if (ws->r) {
5272                                         ws = ww->ws;
5273                                         if (ww->ws->r)
5274                                                 r = ww->ws->r;
5275                                         else
5276                                                 fprintf(stderr,
5277                                                     "fix this bug mcbride\n");
5278                                         border_me = 1;
5279                                 }
5280         }
5281
5282         /* set up the window layout */
5283         win->id = id;
5284         win->ws = ws;
5285         win->s = r->s;  /* this never changes */
5286         if (trans && (ww = find_window(trans)))
5287                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5288         else
5289                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5290
5291         win->g.w = win->wa.width;
5292         win->g.h = win->wa.height;
5293         win->g.x = win->wa.x;
5294         win->g.y = win->wa.y;
5295         win->g_floatvalid = 0;
5296         win->floatmaxed = 0;
5297         win->ewmh_flags = 0;
5298
5299         /* Set window properties so we can remember this after reincarnation */
5300         if (ws_idx_atom && prop == NULL &&
5301             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5302                 SWM_PROPLEN) {
5303                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5304                     ws_idx_str);
5305                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5306                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5307         }
5308         if (prop)
5309                 XFree(prop);
5310
5311         ewmh_autoquirk(win);
5312
5313         if (XGetClassHint(display, win->id, &win->ch)) {
5314                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5315                     win->ch.res_class, win->ch.res_name);
5316
5317                 /* java is retarded so treat it special */
5318                 if (strstr(win->ch.res_name, "sun-awt")) {
5319                         win->java = 1;
5320                         border_me = 1;
5321                 }
5322
5323                 for (i = 0; i < quirks_length; i++){
5324                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5325                             !strcmp(win->ch.res_name, quirks[i].name)) {
5326                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5327                                     win->ch.res_class, win->ch.res_name);
5328                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5329                                         win->floating = 1;
5330                                         border_me = 1;
5331                                 }
5332                                 win->quirks = quirks[i].quirk;
5333                         }
5334                 }
5335         }
5336
5337         /* alter window position if quirky */
5338         if (win->quirks & SWM_Q_ANYWHERE) {
5339                 win->manual = 1; /* don't center the quirky windows */
5340                 bzero(&wc, sizeof wc);
5341                 mask = 0;
5342                 if (bar_enabled && win->g.y < bar_height) {
5343                         win->g.y = wc.y = bar_height;
5344                         mask |= CWY;
5345                 }
5346                 if (win->g.w + win->g.x > WIDTH(r)) {
5347                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5348                         mask |= CWX;
5349                 }
5350                 border_me = 1;
5351         }
5352
5353         /* Reset font sizes (the bruteforce way; no default keybinding). */
5354         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5355                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5356                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5357                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5358                         fake_keypress(win, XK_KP_Add, ShiftMask);
5359         }
5360
5361         ewmh_get_win_state(win);
5362         ewmh_update_actions(win);
5363         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5364
5365         /* border me */
5366         if (border_me) {
5367                 bzero(&wc, sizeof wc);
5368                 wc.border_width = border_width;
5369                 mask = CWBorderWidth;
5370                 XConfigureWindow(display, win->id, mask, &wc);
5371         }
5372
5373         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5374             PropertyChangeMask | StructureNotifyMask);
5375
5376         /* floaters need to be mapped if they are in the current workspace */
5377         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5378                 XMapRaised(display, win->id);
5379
5380         return (win);
5381 }
5382
5383 void
5384 free_window(struct ws_win *win)
5385 {
5386         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5387
5388         if (win == NULL)
5389                 return;
5390
5391         /* needed for restart wm */
5392         set_win_state(win, WithdrawnState);
5393
5394         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5395
5396         if (win->ch.res_class)
5397                 XFree(win->ch.res_class);
5398         if (win->ch.res_name)
5399                 XFree(win->ch.res_name);
5400
5401         kill_refs(win);
5402
5403         /* paint memory */
5404         memset(win, 0xff, sizeof *win); /* XXX kill later */
5405
5406         free(win);
5407 }
5408
5409 void
5410 unmanage_window(struct ws_win *win)
5411 {
5412         struct ws_win           *parent;
5413
5414         if (win == NULL)
5415                 return;
5416
5417         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5418
5419         if (win->transient) {
5420                 parent = find_window(win->transient);
5421                 if (parent)
5422                         parent->child_trans = NULL;
5423         }
5424
5425         /* focus on root just in case */
5426         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5427
5428         focus_prev(win);
5429
5430         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5431         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5432
5433         kill_refs(win);
5434 }
5435
5436 void
5437 focus_magic(struct ws_win *win)
5438 {
5439         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5440
5441         if (win == NULL)
5442                 return;
5443
5444         if (win->child_trans) {
5445                 /* win = parent & has a transient so focus on that */
5446                 if (win->java) {
5447                         focus_win(win->child_trans);
5448                         if (win->child_trans->take_focus)
5449                                 client_msg(win, takefocus);
5450                 } else {
5451                         /* make sure transient hasn't dissapeared */
5452                         if (validate_win(win->child_trans) == 0) {
5453                                 focus_win(win->child_trans);
5454                                 if (win->child_trans->take_focus)
5455                                         client_msg(win->child_trans, takefocus);
5456                         } else {
5457                                 win->child_trans = NULL;
5458                                 focus_win(win);
5459                                 if (win->take_focus)
5460                                         client_msg(win, takefocus);
5461                         }
5462                 }
5463         } else {
5464                 /* regular focus */
5465                 focus_win(win);
5466                 if (win->take_focus)
5467                         client_msg(win, takefocus);
5468         }
5469 }
5470
5471 void
5472 expose(XEvent *e)
5473 {
5474         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5475 }
5476
5477 void
5478 keypress(XEvent *e)
5479 {
5480         unsigned int            i;
5481         KeySym                  keysym;
5482         XKeyEvent               *ev = &e->xkey;
5483
5484         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5485
5486         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5487         for (i = 0; i < keys_length; i++)
5488                 if (keysym == keys[i].keysym
5489                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5490                     && keyfuncs[keys[i].funcid].func) {
5491                         if (keys[i].funcid == kf_spawn_custom)
5492                                 spawn_custom(
5493                                     root_to_region(ev->root),
5494                                     &(keyfuncs[keys[i].funcid].args),
5495                                     keys[i].spawn_name
5496                                     );
5497                         else
5498                                 keyfuncs[keys[i].funcid].func(
5499                                     root_to_region(ev->root),
5500                                     &(keyfuncs[keys[i].funcid].args)
5501                                     );
5502                 }
5503 }
5504
5505 void
5506 buttonpress(XEvent *e)
5507 {
5508         struct ws_win           *win;
5509         int                     i, action;
5510         XButtonPressedEvent     *ev = &e->xbutton;
5511
5512         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5513
5514         if ((win = find_window(ev->window)) == NULL)
5515                 return;
5516
5517         focus_magic(win);
5518         action = client_click;
5519
5520         for (i = 0; i < LENGTH(buttons); i++)
5521                 if (action == buttons[i].action && buttons[i].func &&
5522                     buttons[i].button == ev->button &&
5523                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5524                         buttons[i].func(win, &buttons[i].args);
5525 }
5526
5527 void
5528 configurerequest(XEvent *e)
5529 {
5530         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5531         struct ws_win           *win;
5532         int                     new = 0;
5533         XWindowChanges          wc;
5534
5535         if ((win = find_window(ev->window)) == NULL)
5536                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5537                         new = 1;
5538
5539         if (new) {
5540                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5541                     ev->window);
5542                 bzero(&wc, sizeof wc);
5543                 wc.x = ev->x;
5544                 wc.y = ev->y;
5545                 wc.width = ev->width;
5546                 wc.height = ev->height;
5547                 wc.border_width = ev->border_width;
5548                 wc.sibling = ev->above;
5549                 wc.stack_mode = ev->detail;
5550                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5551         } else {
5552                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5553                     ev->window);
5554                 config_win(win, ev);
5555         }
5556 }
5557
5558 void
5559 configurenotify(XEvent *e)
5560 {
5561         struct ws_win           *win;
5562         long                    mask;
5563
5564         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5565             e->xconfigure.window);
5566
5567         win = find_window(e->xconfigure.window);
5568         if (win) {
5569                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5570                 adjust_font(win);
5571                 if (font_adjusted)
5572                         stack();
5573                 if (focus_mode == SWM_FOCUS_DEFAULT)
5574                         drain_enter_notify();
5575         }
5576 }
5577
5578 void
5579 destroynotify(XEvent *e)
5580 {
5581         struct ws_win           *win;
5582         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5583
5584         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5585
5586         if ((win = find_window(ev->window)) == NULL) {
5587                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5588                         return;
5589                 free_window(win);
5590                 return;
5591         }
5592
5593         /* make sure we focus on something */
5594         win->floating = 0;
5595
5596         unmanage_window(win);
5597         stack();
5598         if (focus_mode == SWM_FOCUS_DEFAULT)
5599                 drain_enter_notify();
5600         free_window(win);
5601 }
5602
5603 void
5604 enternotify(XEvent *e)
5605 {
5606         XCrossingEvent          *ev = &e->xcrossing;
5607         XEvent                  cne;
5608         struct ws_win           *win;
5609 #if 0
5610         struct ws_win           *w;
5611         Window                  focus_return;
5612         int                     revert_to_return;
5613 #endif
5614         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5615             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5616             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5617             ev->same_screen, ev->focus, ev->state);
5618
5619         switch (focus_mode) {
5620         case SWM_FOCUS_DEFAULT:
5621                 break;
5622         case SWM_FOCUS_FOLLOW:
5623                 break;
5624         case SWM_FOCUS_SYNERGY:
5625 #if 0
5626         /*
5627          * all these checks need to be in this order because the
5628          * XCheckTypedWindowEvent relies on weeding out the previous events
5629          *
5630          * making this code an option would enable a follow mouse for focus
5631          * feature
5632          */
5633
5634         /*
5635          * state is set when we are switching workspaces and focus is set when
5636          * the window or a subwindow already has focus (occurs during restart).
5637          *
5638          * Only honor the focus flag if last_focus_event is not FocusOut,
5639          * this allows scrotwm to continue to control focus when another
5640          * program is also playing with it.
5641          */
5642         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5643                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5644                 return;
5645         }
5646
5647         /*
5648          * happens when a window is created or destroyed and the border
5649          * crosses the mouse pointer and when switching ws
5650          *
5651          * we need the subwindow test to see if we came from root in order
5652          * to give focus to floaters
5653          */
5654         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5655             ev->subwindow == 0) {
5656                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5657                 return;
5658         }
5659
5660         /* this window already has focus */
5661         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5662                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5663                 return;
5664         }
5665
5666         /* this window is being deleted or moved to another ws */
5667         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5668             &cne) == True) {
5669                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5670                 XPutBackEvent(display, &cne);
5671                 return;
5672         }
5673
5674         if ((win = find_window(ev->window)) == NULL) {
5675                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5676                 return;
5677         }
5678
5679         /*
5680          * In fullstack kill all enters unless they come from a different ws
5681          * (i.e. another region) or focus has been grabbed externally.
5682          */
5683         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5684             last_focus_event != FocusOut) {
5685                 XGetInputFocus(display, &focus_return, &revert_to_return);
5686                 if ((w = find_window(focus_return)) == NULL ||
5687                     w->ws == win->ws) {
5688                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5689                         return;
5690                 }
5691         }
5692 #endif
5693                 break;
5694         }
5695
5696         if ((win = find_window(ev->window)) == NULL) {
5697                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5698                 return;
5699         }
5700
5701         /*
5702          * if we have more enternotifies let them handle it in due time
5703          */
5704         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5705                 DNPRINTF(SWM_D_EVENT,
5706                     "ignoring enternotify: got more enternotify\n");
5707                 XPutBackEvent(display, &cne);
5708                 return;
5709         }
5710
5711         focus_magic(win);
5712 }
5713
5714 /* lets us use one switch statement for arbitrary mode/detail combinations */
5715 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5716
5717 void
5718 focusevent(XEvent *e)
5719 {
5720 #if 0
5721         struct ws_win           *win;
5722         u_int32_t               mode_detail;
5723         XFocusChangeEvent       *ev = &e->xfocus;
5724
5725         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5726             ev->type == FocusIn ? "entering" : "leaving",
5727             ev->window, ev->mode, ev->detail);
5728
5729         if (last_focus_event == ev->type) {
5730                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5731                 return;
5732         }
5733
5734         last_focus_event = ev->type;
5735         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5736
5737         switch (mode_detail) {
5738         /* synergy client focus operations */
5739         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5740         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5741
5742         /* synergy server focus operations */
5743         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5744
5745         /* Entering applications like rdesktop that mangle the pointer */
5746         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5747
5748                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5749                         XSetWindowBorder(display, win->id,
5750                             win->ws->r->s->c[ev->type == FocusIn ?
5751                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5752                 break;
5753         default:
5754                 fprintf(stderr, "ignoring focusevent\n");
5755                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5756                 break;
5757         }
5758 #endif
5759 }
5760
5761 void
5762 mapnotify(XEvent *e)
5763 {
5764         struct ws_win           *win;
5765         XMapEvent               *ev = &e->xmap;
5766
5767         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5768
5769         win = manage_window(ev->window);
5770         if (win)
5771                 set_win_state(win, NormalState);
5772 }
5773
5774 void
5775 mappingnotify(XEvent *e)
5776 {
5777         XMappingEvent           *ev = &e->xmapping;
5778
5779         XRefreshKeyboardMapping(ev);
5780         if (ev->request == MappingKeyboard)
5781                 grabkeys();
5782 }
5783
5784 void
5785 maprequest(XEvent *e)
5786 {
5787         struct ws_win           *win;
5788         struct swm_region       *r;
5789         XWindowAttributes       wa;
5790         XMapRequestEvent        *ev = &e->xmaprequest;
5791
5792         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5793             e->xmaprequest.window);
5794
5795         if (!XGetWindowAttributes(display, ev->window, &wa))
5796                 return;
5797         if (wa.override_redirect)
5798                 return;
5799
5800         win = manage_window(e->xmaprequest.window);
5801         if (win == NULL)
5802                 return; /* can't happen */
5803
5804         stack();
5805
5806         /* make new win focused */
5807         r = root_to_region(win->wa.root);
5808         if (win->ws == r->ws)
5809                 focus_magic(win);
5810 }
5811
5812 void
5813 propertynotify(XEvent *e)
5814 {
5815         struct ws_win           *win;
5816         XPropertyEvent          *ev = &e->xproperty;
5817
5818         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5819             ev->window);
5820
5821         win = find_window(ev->window);
5822         if (win == NULL)
5823                 return;
5824
5825         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5826                 update_iconic(win, 0);
5827                 XMapRaised(display, win->id);
5828                 stack();
5829                 focus_win(win);
5830                 return;
5831         }
5832
5833         switch (ev->atom) {
5834         case XA_WM_NORMAL_HINTS:
5835 #if 0
5836                 long            mask;
5837                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5838                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5839                 if (win->sh.flags & PMinSize) {
5840                         win->g.w = win->sh.min_width;
5841                         win->g.h = win->sh.min_height;
5842                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5843                 }
5844                 XMoveResizeWindow(display, win->id,
5845                     win->g.x, win->g.y, win->g.w, win->g.h);
5846 #endif
5847                 if (window_name_enabled)
5848                         bar_update();
5849                 break;
5850         default:
5851                 break;
5852         }
5853 }
5854
5855 void
5856 unmapnotify(XEvent *e)
5857 {
5858         struct ws_win           *win;
5859
5860         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5861
5862         /* determine if we need to help unmanage this window */
5863         win = find_window(e->xunmap.window);
5864         if (win == NULL)
5865                 return;
5866
5867         if (getstate(e->xunmap.window) == NormalState) {
5868                 unmanage_window(win);
5869                 stack();
5870
5871                 /* giant hack for apps that don't destroy transient windows */
5872                 /* eat a bunch of events to prevent remanaging the window */
5873                 XEvent                  cne;
5874                 while (XCheckWindowEvent(display, e->xunmap.window,
5875                     EnterWindowMask, &cne))
5876                         ;
5877                 while (XCheckWindowEvent(display, e->xunmap.window,
5878                     StructureNotifyMask, &cne))
5879                         ;
5880                 while (XCheckWindowEvent(display, e->xunmap.window,
5881                     SubstructureNotifyMask, &cne))
5882                         ;
5883                 /* resend unmap because we ated it */
5884                 XUnmapWindow(display, e->xunmap.window);
5885         }
5886
5887         if (focus_mode == SWM_FOCUS_DEFAULT)
5888                 drain_enter_notify();
5889 }
5890
5891 void
5892 visibilitynotify(XEvent *e)
5893 {
5894         int                     i;
5895         struct swm_region       *r;
5896
5897         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5898             e->xvisibility.window);
5899         if (e->xvisibility.state == VisibilityUnobscured)
5900                 for (i = 0; i < ScreenCount(display); i++)
5901                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5902                                 if (e->xvisibility.window == r->bar_window)
5903                                         bar_update();
5904 }
5905
5906 void
5907 clientmessage(XEvent *e)
5908 {
5909         XClientMessageEvent *ev;
5910         struct ws_win *win;
5911
5912         ev = &e->xclient;
5913
5914         win = find_window(ev->window);
5915         if (win == NULL)
5916                 return;
5917
5918         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5919             ev->window, ev->message_type);
5920
5921         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5922                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5923                 focus_win(win);
5924         }
5925         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5926                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5927                 if (win->can_delete)
5928                         client_msg(win, adelete);
5929                 else
5930                         XKillClient(display, win->id);
5931         }
5932         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5933                 DNPRINTF(SWM_D_EVENT,
5934                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5935                 if (win->floating) {
5936                         if (ev->data.l[0] & (1<<8)) /* x */
5937                                 win->g.x = ev->data.l[1];
5938                         if (ev->data.l[0] & (1<<9)) /* y */
5939                                 win->g.y = ev->data.l[2];
5940                         if (ev->data.l[0] & (1<<10)) /* width */
5941                                 win->g.w = ev->data.l[3];
5942                         if (ev->data.l[0] & (1<<11)) /* height */
5943                                 win->g.h = ev->data.l[4];
5944                 }
5945                 else {
5946                         /* TODO: Change stack sizes */
5947                 }
5948                 config_win(win, NULL);
5949         }
5950         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5951                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5952                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5953                 if (ev->data.l[2])
5954                         ewmh_update_win_state(win, ev->data.l[2],
5955                             ev->data.l[0]);
5956
5957                 stack();
5958         }
5959 }
5960
5961 int
5962 xerror_start(Display *d, XErrorEvent *ee)
5963 {
5964         other_wm = 1;
5965         return (-1);
5966 }
5967
5968 int
5969 xerror(Display *d, XErrorEvent *ee)
5970 {
5971         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5972         return (-1);
5973 }
5974
5975 int
5976 active_wm(void)
5977 {
5978         other_wm = 0;
5979         xerrorxlib = XSetErrorHandler(xerror_start);
5980
5981         /* this causes an error if some other window manager is running */
5982         XSelectInput(display, DefaultRootWindow(display),
5983             SubstructureRedirectMask);
5984         XSync(display, False);
5985         if (other_wm)
5986                 return (1);
5987
5988         XSetErrorHandler(xerror);
5989         XSync(display, False);
5990         return (0);
5991 }
5992
5993 void
5994 new_region(struct swm_screen *s, int x, int y, int w, int h)
5995 {
5996         struct swm_region       *r, *n;
5997         struct workspace        *ws = NULL;
5998         int                     i;
5999
6000         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6001              s->idx, w, h, x, y);
6002
6003         /* remove any conflicting regions */
6004         n = TAILQ_FIRST(&s->rl);
6005         while (n) {
6006                 r = n;
6007                 n = TAILQ_NEXT(r, entry);
6008                 if (X(r) < (x + w) &&
6009                     (X(r) + WIDTH(r)) > x &&
6010                     Y(r) < (y + h) &&
6011                     (Y(r) + HEIGHT(r)) > y) {
6012                         if (r->ws->r != NULL)
6013                                 r->ws->old_r = r->ws->r;
6014                         r->ws->r = NULL;
6015                         XDestroyWindow(display, r->bar_window);
6016                         TAILQ_REMOVE(&s->rl, r, entry);
6017                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6018                 }
6019         }
6020
6021         /* search old regions for one to reuse */
6022
6023         /* size + location match */
6024         TAILQ_FOREACH(r, &s->orl, entry)
6025                 if (X(r) == x && Y(r) == y &&
6026                     HEIGHT(r) == h && WIDTH(r) == w)
6027                         break;
6028
6029         /* size match */
6030         TAILQ_FOREACH(r, &s->orl, entry)
6031                 if (HEIGHT(r) == h && WIDTH(r) == w)
6032                         break;
6033
6034         if (r != NULL) {
6035                 TAILQ_REMOVE(&s->orl, r, entry);
6036                 /* try to use old region's workspace */
6037                 if (r->ws->r == NULL)
6038                         ws = r->ws;
6039         } else
6040                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6041                         errx(1, "calloc: failed to allocate memory for screen");
6042
6043         /* if we don't have a workspace already, find one */
6044         if (ws == NULL) {
6045                 for (i = 0; i < SWM_WS_MAX; i++)
6046                         if (s->ws[i].r == NULL) {
6047                                 ws = &s->ws[i];
6048                                 break;
6049                         }
6050         }
6051
6052         if (ws == NULL)
6053                 errx(1, "no free workspaces\n");
6054
6055         X(r) = x;
6056         Y(r) = y;
6057         WIDTH(r) = w;
6058         HEIGHT(r) = h;
6059         r->s = s;
6060         r->ws = ws;
6061         r->ws_prior = NULL;
6062         ws->r = r;
6063         outputs++;
6064         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6065 }
6066
6067 void
6068 scan_xrandr(int i)
6069 {
6070 #ifdef SWM_XRR_HAS_CRTC
6071         XRRCrtcInfo             *ci;
6072         XRRScreenResources      *sr;
6073         int                     c;
6074         int                     ncrtc = 0;
6075 #endif /* SWM_XRR_HAS_CRTC */
6076         struct swm_region       *r;
6077
6078
6079         if (i >= ScreenCount(display))
6080                 errx(1, "invalid screen");
6081
6082         /* remove any old regions */
6083         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6084                 r->ws->old_r = r->ws->r = NULL;
6085                 XDestroyWindow(display, r->bar_window);
6086                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6087                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6088         }
6089         outputs = 0;
6090
6091         /* map virtual screens onto physical screens */
6092 #ifdef SWM_XRR_HAS_CRTC
6093         if (xrandr_support) {
6094                 sr = XRRGetScreenResources(display, screens[i].root);
6095                 if (sr == NULL)
6096                         new_region(&screens[i], 0, 0,
6097                             DisplayWidth(display, i),
6098                             DisplayHeight(display, i));
6099                 else
6100                         ncrtc = sr->ncrtc;
6101
6102                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6103                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6104                         if (ci->noutput == 0)
6105                                 continue;
6106
6107                         if (ci != NULL && ci->mode == None)
6108                                 new_region(&screens[i], 0, 0,
6109                                     DisplayWidth(display, i),
6110                                     DisplayHeight(display, i));
6111                         else
6112                                 new_region(&screens[i],
6113                                     ci->x, ci->y, ci->width, ci->height);
6114                 }
6115                 if (ci)
6116                         XRRFreeCrtcInfo(ci);
6117                 XRRFreeScreenResources(sr);
6118         } else
6119 #endif /* SWM_XRR_HAS_CRTC */
6120         {
6121                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6122                     DisplayHeight(display, i));
6123         }
6124 }
6125
6126 void
6127 screenchange(XEvent *e) {
6128         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6129         struct swm_region               *r;
6130         int                             i;
6131
6132         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6133
6134         if (!XRRUpdateConfiguration(e))
6135                 return;
6136
6137         /* silly event doesn't include the screen index */
6138         for (i = 0; i < ScreenCount(display); i++)
6139                 if (screens[i].root == xe->root)
6140                         break;
6141         if (i >= ScreenCount(display))
6142                 errx(1, "screenchange: screen not found\n");
6143
6144         /* brute force for now, just re-enumerate the regions */
6145         scan_xrandr(i);
6146
6147         /* add bars to all regions */
6148         for (i = 0; i < ScreenCount(display); i++)
6149                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6150                         bar_setup(r);
6151         stack();
6152         if (focus_mode == SWM_FOCUS_DEFAULT)
6153                 drain_enter_notify();
6154 }
6155
6156 void
6157 grab_windows(void)
6158 {
6159         Window                  d1, d2, *wins = NULL;
6160         XWindowAttributes       wa;
6161         unsigned int            no;
6162         int                     i, j;
6163         long                    state, manage;
6164
6165         for (i = 0; i < ScreenCount(display); i++) {
6166                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6167                         continue;
6168
6169                 /* attach windows to a region */
6170                 /* normal windows */
6171                 for (j = 0; j < no; j++) {
6172                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6173                             wa.override_redirect ||
6174                             XGetTransientForHint(display, wins[j], &d1))
6175                                 continue;
6176
6177                         state = getstate(wins[j]);
6178                         manage = state == IconicState;
6179                         if (wa.map_state == IsViewable || manage)
6180                                 manage_window(wins[j]);
6181                 }
6182                 /* transient windows */
6183                 for (j = 0; j < no; j++) {
6184                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6185                             wa.override_redirect)
6186                                 continue;
6187
6188                         state = getstate(wins[j]);
6189                         manage = state == IconicState;
6190                         if (XGetTransientForHint(display, wins[j], &d1) &&
6191                             manage)
6192                                 manage_window(wins[j]);
6193                 }
6194                 if (wins) {
6195                         XFree(wins);
6196                         wins = NULL;
6197                 }
6198         }
6199 }
6200
6201 void
6202 setup_screens(void)
6203 {
6204         int                     i, j, k;
6205         int                     errorbase, major, minor;
6206         struct workspace        *ws;
6207
6208         if ((screens = calloc(ScreenCount(display),
6209              sizeof(struct swm_screen))) == NULL)
6210                 errx(1, "calloc: screens");
6211
6212         /* initial Xrandr setup */
6213         xrandr_support = XRRQueryExtension(display,
6214             &xrandr_eventbase, &errorbase);
6215         if (xrandr_support)
6216                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6217                         xrandr_support = 0;
6218
6219         /* map physical screens */
6220         for (i = 0; i < ScreenCount(display); i++) {
6221                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6222                 screens[i].idx = i;
6223                 TAILQ_INIT(&screens[i].rl);
6224                 TAILQ_INIT(&screens[i].orl);
6225                 screens[i].root = RootWindow(display, i);
6226
6227                 /* set default colors */
6228                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6229                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6230                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6231                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6232                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6233
6234                 /* set default cursor */
6235                 XDefineCursor(display, screens[i].root,
6236                     XCreateFontCursor(display, XC_left_ptr));
6237
6238                 /* init all workspaces */
6239                 /* XXX these should be dynamically allocated too */
6240                 for (j = 0; j < SWM_WS_MAX; j++) {
6241                         ws = &screens[i].ws[j];
6242                         ws->idx = j;
6243                         ws->focus = NULL;
6244                         ws->r = NULL;
6245                         ws->old_r = NULL;
6246                         TAILQ_INIT(&ws->winlist);
6247                         TAILQ_INIT(&ws->unmanagedlist);
6248
6249                         for (k = 0; layouts[k].l_stack != NULL; k++)
6250                                 if (layouts[k].l_config != NULL)
6251                                         layouts[k].l_config(ws,
6252                                             SWM_ARG_ID_STACKINIT);
6253                         ws->cur_layout = &layouts[0];
6254                         ws->cur_layout->l_string(ws);
6255                 }
6256
6257                 scan_xrandr(i);
6258
6259                 if (xrandr_support)
6260                         XRRSelectInput(display, screens[i].root,
6261                             RRScreenChangeNotifyMask);
6262         }
6263 }
6264
6265 void
6266 setup_globals(void)
6267 {
6268         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6269             == NULL)
6270                 err(1, "setup_globals: strdup");
6271         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6272             == NULL)
6273                 err(1, "setup_globals: strdup");
6274         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6275             == NULL)
6276                 err(1, "setup_globals: strdup");
6277         if ((spawn_term[0] = strdup("xterm")) == NULL)
6278                 err(1, "setup_globals: strdup");
6279         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6280                 errx(1, "strdup");
6281 }
6282
6283 void
6284 workaround(void)
6285 {
6286         int                     i;
6287         Atom                    netwmcheck, netwmname, utf8_string;
6288         Window                  root, win;
6289
6290         /* work around sun jdk bugs, code from wmname */
6291         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6292         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6293         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6294         for (i = 0; i < ScreenCount(display); i++) {
6295                 root = screens[i].root;
6296                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6297                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6298                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6299
6300                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6301                     PropModeReplace, (unsigned char *)&win,1);
6302                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6303                     PropModeReplace, (unsigned char *)&win,1);
6304                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6305                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6306         }
6307 }
6308
6309 int
6310 main(int argc, char *argv[])
6311 {
6312         struct swm_region       *r, *rr;
6313         struct ws_win           *winfocus = NULL;
6314         struct timeval          tv;
6315         union arg               a;
6316         char                    conf[PATH_MAX], *cfile = NULL;
6317         struct stat             sb;
6318         XEvent                  e;
6319         int                     xfd, i;
6320         fd_set                  rd;
6321         struct sigaction        sact;
6322
6323         start_argv = argv;
6324         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
6325             SWM_VERSION, cvstag);
6326         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
6327                 warnx("no locale support");
6328
6329         if (!(display = XOpenDisplay(0)))
6330                 errx(1, "can not open display");
6331
6332         if (active_wm())
6333                 errx(1, "other wm running");
6334
6335         /* handle some signals */
6336         bzero(&sact, sizeof(sact));
6337         sigemptyset(&sact.sa_mask);
6338         sact.sa_flags = 0;
6339         sact.sa_handler = sighdlr;
6340         sigaction(SIGINT, &sact, NULL);
6341         sigaction(SIGQUIT, &sact, NULL);
6342         sigaction(SIGTERM, &sact, NULL);
6343         sigaction(SIGHUP, &sact, NULL);
6344
6345         sact.sa_handler = sighdlr;
6346         sact.sa_flags = SA_NOCLDSTOP;
6347         sigaction(SIGCHLD, &sact, NULL);
6348
6349         astate = XInternAtom(display, "WM_STATE", False);
6350         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6351         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6352         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6353         a_wmname = XInternAtom(display, "WM_NAME", False);
6354         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6355         a_string = XInternAtom(display, "STRING", False);
6356         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6357
6358         /* look for local and global conf file */
6359         pwd = getpwuid(getuid());
6360         if (pwd == NULL)
6361                 errx(1, "invalid user %d", getuid());
6362
6363         setup_screens();
6364         setup_globals();
6365         setup_keys();
6366         setup_quirks();
6367         setup_spawn();
6368
6369         /* load config */
6370         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6371         if (stat(conf, &sb) != -1) {
6372                 if (S_ISREG(sb.st_mode))
6373                         cfile = conf;
6374         } else {
6375                 /* try global conf file */
6376                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6377                 if (!stat(conf, &sb))
6378                         if (S_ISREG(sb.st_mode))
6379                                 cfile = conf;
6380         }
6381         if (cfile)
6382                 conf_load(cfile, SWM_CONF_DEFAULT);
6383
6384         setup_ewmh();
6385         /* set some values to work around bad programs */
6386         workaround();
6387         /* grab existing windows (before we build the bars) */
6388         grab_windows();
6389
6390         if (getenv("SWM_STARTED") == NULL)
6391                 setenv("SWM_STARTED", "YES", 1);
6392
6393         /* setup all bars */
6394         for (i = 0; i < ScreenCount(display); i++)
6395                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6396                         if (winfocus == NULL)
6397                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6398                         bar_setup(r);
6399                 }
6400
6401         unfocus_all();
6402
6403         grabkeys();
6404         stack();
6405         if (focus_mode == SWM_FOCUS_DEFAULT)
6406                 drain_enter_notify();
6407
6408         xfd = ConnectionNumber(display);
6409         while (running) {
6410                 while (XPending(display)) {
6411                         XNextEvent(display, &e);
6412                         if (running == 0)
6413                                 goto done;
6414                         if (e.type < LASTEvent) {
6415                                 dumpevent(&e);
6416                                 if (handler[e.type])
6417                                         handler[e.type](&e);
6418                                 else
6419                                         DNPRINTF(SWM_D_EVENT,
6420                                             "win: %lu unknown event: %d\n",
6421                                             e.xany.window, e.type);
6422                         } else {
6423                                 switch (e.type - xrandr_eventbase) {
6424                                 case RRScreenChangeNotify:
6425                                         screenchange(&e);
6426                                         break;
6427                                 default:
6428                                         DNPRINTF(SWM_D_EVENT,
6429                                             "win: %lu unknown xrandr event: "
6430                                             "%d\n", e.xany.window, e.type);
6431                                         break;
6432                                 }
6433                         }
6434                 }
6435
6436                 /* if we are being restarted go focus on first window */
6437                 if (winfocus) {
6438                         rr = winfocus->ws->r;
6439                         if (rr == NULL) {
6440                                 /* not a visible window */
6441                                 winfocus = NULL;
6442                                 continue;
6443                         }
6444                         /* move pointer to first screen if multi screen */
6445                         if (ScreenCount(display) > 1 || outputs > 1)
6446                                 XWarpPointer(display, None, rr->s[0].root,
6447                                     0, 0, 0, 0, rr->g.x,
6448                                     rr->g.y + (bar_enabled ? bar_height : 0));
6449
6450                         a.id = SWM_ARG_ID_FOCUSCUR;
6451                         focus(rr, &a);
6452                         winfocus = NULL;
6453                         continue;
6454                 }
6455
6456                 FD_ZERO(&rd);
6457                 FD_SET(xfd, &rd);
6458                 tv.tv_sec = 1;
6459                 tv.tv_usec = 0;
6460                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6461                         if (errno != EINTR)
6462                                 DNPRINTF(SWM_D_MISC, "select failed");
6463                 if (restart_wm == 1)
6464                         restart(NULL, NULL);
6465                 if (search_resp == 1)
6466                         search_do_resp();
6467                 if (running == 0)
6468                         goto done;
6469                 if (bar_alarm) {
6470                         bar_alarm = 0;
6471                         bar_update();
6472                 }
6473         }
6474 done:
6475         teardown_ewmh();
6476         bar_extra_stop();
6477         XFreeGC(display, bar_gc);
6478         XCloseDisplay(display);
6479
6480         return (0);
6481 }