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 #include <stdio.h>
  55 #include <stdlib.h>
  56 #include <err.h>
  57 #include <errno.h>
  58 #include <fcntl.h>
  59 #include <locale.h>
  60 #include <unistd.h>
  61 #include <time.h>
  62 #include <signal.h>
  63 #include <string.h>
  64 #include <util.h>
  65 #include <pwd.h>
  66 #include <paths.h>
  67 #include <ctype.h>
  68
  69 #include <sys/types.h>
  70 #include <sys/time.h>
  71 #include <sys/stat.h>
  72 #include <sys/wait.h>
  73 #include <sys/queue.h>
  74 #include <sys/param.h>
  75 #include <sys/select.h>
  76
  77 #include <X11/cursorfont.h>
  78 #include <X11/keysym.h>
  79 #include <X11/Xatom.h>
  80 #include <X11/Xlib.h>
  81 #include <X11/Xproto.h>
  82 #include <X11/Xutil.h>
  83 #include <X11/extensions/Xrandr.h>
  84 #include <X11/extensions/XTest.h>
  85
  86 #ifdef __OSX__
  87 #include <osx.h>
  88 #endif
  89
  90 #include "version.h"
  91
  92 #ifdef SCROTWM_BUILDSTR
  93 static const char       *buildstr = SCROTWM_BUILDSTR;
  94 #else
  95 static const char       *buildstr = SCROTWM_VERSION;
  96 #endif
  97
  98 #if RANDR_MAJOR < 1
  99 #  error XRandR versions less than 1.0 are not supported
 100 #endif
 101
 102 #if RANDR_MAJOR >= 1
 103 #if RANDR_MINOR >= 2
 104 #define SWM_XRR_HAS_CRTC
 105 #endif
 106 #endif
 107
 108 /*#define SWM_DEBUG*/
 109 #ifdef SWM_DEBUG
 110 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 111 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 112 #define SWM_D_MISC              0x0001
 113 #define SWM_D_EVENT             0x0002
 114 #define SWM_D_WS                0x0004
 115 #define SWM_D_FOCUS             0x0008
 116 #define SWM_D_MOVE              0x0010
 117 #define SWM_D_STACK             0x0020
 118 #define SWM_D_MOUSE             0x0040
 119 #define SWM_D_PROP              0x0080
 120 #define SWM_D_CLASS             0x0100
 121 #define SWM_D_KEY               0x0200
 122 #define SWM_D_QUIRK             0x0400
 123 #define SWM_D_SPAWN             0x0800
 124 #define SWM_D_EVENTQ            0x1000
 125 #define SWM_D_CONF              0x2000
 126
 127 u_int32_t               swm_debug = 0
 128                             | SWM_D_MISC
 129                             | SWM_D_EVENT
 130                             | SWM_D_WS
 131                             | SWM_D_FOCUS
 132                             | SWM_D_MOVE
 133                             | SWM_D_STACK
 134                             | SWM_D_MOUSE
 135                             | SWM_D_PROP
 136                             | SWM_D_CLASS
 137                             | SWM_D_KEY
 138                             | SWM_D_QUIRK
 139                             | SWM_D_SPAWN
 140                             | SWM_D_EVENTQ
 141                             | SWM_D_CONF
 142                             ;
 143 #else
 144 #define DPRINTF(x...)
 145 #define DNPRINTF(n,x...)
 146 #endif
 147
 148 #define LENGTH(x)               (sizeof x / sizeof x[0])
 149 #define MODKEY                  Mod1Mask
 150 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 151 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 152 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 153 #define SWM_PROPLEN             (16)
 154 #define SWM_FUNCNAME_LEN        (32)
 155 #define SWM_KEYS_LEN            (255)
 156 #define SWM_QUIRK_LEN           (64)
 157 #define X(r)                    (r)->g.x
 158 #define Y(r)                    (r)->g.y
 159 #define WIDTH(r)                (r)->g.w
 160 #define HEIGHT(r)               (r)->g.h
 161 #define SWM_MAX_FONT_STEPS      (3)
 162 #define WINID(w)                (w ? w->id : 0)
 163
 164 #define SWM_FOCUS_DEFAULT       (0)
 165 #define SWM_FOCUS_SYNERGY       (1)
 166 #define SWM_FOCUS_FOLLOW        (2)
 167
 168 #define SWM_CONF_DEFAULT        (0)
 169 #define SWM_CONF_KEYMAPPING     (1)
 170
 171 #ifndef SWM_LIB
 172 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 173 #endif
 174
 175 char                    **start_argv;
 176 Atom                    astate;
 177 Atom                    aprot;
 178 Atom                    adelete;
 179 Atom                    takefocus;
 180 Atom                    a_wmname;
 181 Atom                    a_utf8_string;
 182 Atom                    a_string;
 183 Atom                    a_swm_iconic;
 184 volatile sig_atomic_t   running = 1;
 185 volatile sig_atomic_t   restart_wm = 0;
 186 int                     outputs = 0;
 187 int                     last_focus_event = FocusOut;
 188 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 189 int                     other_wm;
 190 int                     ss_enabled = 0;
 191 int                     xrandr_support;
 192 int                     xrandr_eventbase;
 193 unsigned int            numlockmask = 0;
 194 Display                 *display;
 195
 196 int                     cycle_empty = 0;
 197 int                     cycle_visible = 0;
 198 int                     term_width = 0;
 199 int                     font_adjusted = 0;
 200 unsigned int            mod_key = MODKEY;
 201
 202 /* dmenu search */
 203 struct swm_region       *search_r;
 204 int                     select_list_pipe[2];
 205 int                     select_resp_pipe[2];
 206 pid_t                   searchpid;
 207 volatile sig_atomic_t   search_resp;
 208
 209 /* dialog windows */
 210 double                  dialog_ratio = .6;
 211 /* status bar */
 212 #define SWM_BAR_MAX     (256)
 213 char                    *bar_argv[] = { NULL, NULL };
 214 int                     bar_pipe[2];
 215 char                    bar_ext[SWM_BAR_MAX];
 216 char                    bar_vertext[SWM_BAR_MAX];
 217 int                     bar_version = 0;
 218 sig_atomic_t            bar_alarm = 0;
 219 int                     bar_delay = 30;
 220 int                     bar_enabled = 1;
 221 int                     bar_border_width = 1;
 222 int                     bar_at_bottom = 0;
 223 int                     bar_extra = 1;
 224 int                     bar_extra_running = 0;
 225 int                     bar_verbose = 1;
 226 int                     bar_height = 0;
 227 int                     stack_enabled = 1;
 228 int                     clock_enabled = 1;
 229 int                     urgent_enabled = 0;
 230 char                    *clock_format = NULL;
 231 int                     title_name_enabled = 0;
 232 int                     title_class_enabled = 0;
 233 int                     window_name_enabled = 0;
 234 int                     focus_mode = SWM_FOCUS_DEFAULT;
 235 int                     disable_border = 0;
 236 int                     border_width = 1;
 237 int                     verbose_layout = 0;
 238 pid_t                   bar_pid;
 239 GC                      bar_gc;
 240 XGCValues               bar_gcv;
 241 int                     bar_fidx = 0;
 242 XFontStruct             *bar_fs;
 243 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 244 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 245 struct passwd           *pwd;
 246
 247 #define SWM_MENU_FN     (2)
 248 #define SWM_MENU_NB     (4)
 249 #define SWM_MENU_NF     (6)
 250 #define SWM_MENU_SB     (8)
 251 #define SWM_MENU_SF     (10)
 252
 253 /* layout manager data */
 254 struct swm_geometry {
 255         int                     x;
 256         int                     y;
 257         int                     w;
 258         int                     h;
 259 };
 260
 261 struct swm_screen;
 262 struct workspace;
 263
 264 /* virtual "screens" */
 265 struct swm_region {
 266         TAILQ_ENTRY(swm_region) entry;
 267         struct swm_geometry     g;
 268         struct workspace        *ws;    /* current workspace on this region */
 269         struct workspace        *ws_prior; /* prior workspace on this region */
 270         struct swm_screen       *s;     /* screen idx */
 271         Window                  bar_window;
 272 };
 273 TAILQ_HEAD(swm_region_list, swm_region);
 274
 275 struct ws_win {
 276         TAILQ_ENTRY(ws_win)     entry;
 277         Window                  id;
 278         Window                  transient;
 279         struct ws_win           *child_trans;   /* transient child window */
 280         struct swm_geometry     g;              /* current geometry */
 281         struct swm_geometry     g_float;        /* geometry when floating */
 282         struct swm_geometry     rg_float;       /* region geom when floating */
 283         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 284         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 285         int                     floating;
 286         int                     manual;
 287         int                     iconic;
 288         unsigned int            ewmh_flags;
 289         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 290         int                     font_steps;
 291         int                     last_inc;
 292         int                     can_delete;
 293         int                     take_focus;
 294         int                     java;
 295         unsigned long           quirks;
 296         struct workspace        *ws;    /* always valid */
 297         struct swm_screen       *s;     /* always valid, never changes */
 298         XWindowAttributes       wa;
 299         XSizeHints              sh;
 300         XClassHint              ch;
 301         XWMHints                *hints;
 302 };
 303 TAILQ_HEAD(ws_win_list, ws_win);
 304
 305 /* pid goo */
 306 struct pid_e {
 307         TAILQ_ENTRY(pid_e)      entry;
 308         long                    pid;
 309         int                     ws;
 310 };
 311 TAILQ_HEAD(pid_list, pid_e);
 312 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 313
 314 /* layout handlers */
 315 void    stack(void);
 316 void    vertical_config(struct workspace *, int);
 317 void    vertical_stack(struct workspace *, struct swm_geometry *);
 318 void    horizontal_config(struct workspace *, int);
 319 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 320 void    max_stack(struct workspace *, struct swm_geometry *);
 321 void    plain_stacker(struct workspace *);
 322 void    fancy_stacker(struct workspace *);
 323
 324 struct ws_win *find_window(Window);
 325
 326 void    grabbuttons(struct ws_win *, int);
 327 void    new_region(struct swm_screen *, int, int, int, int);
 328 void    unmanage_window(struct ws_win *);
 329 long    getstate(Window);
 330
 331 int     conf_load(char *, int);
 332
 333 struct layout {
 334         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 335         void            (*l_config)(struct workspace *, int);
 336         u_int32_t       flags;
 337 #define SWM_L_FOCUSPREV         (1<<0)
 338 #define SWM_L_MAPONFOCUS        (1<<1)
 339         void            (*l_string)(struct workspace *);
 340 } layouts[] =  {
 341         /* stack,               configure */
 342         { vertical_stack,       vertical_config,        0,      plain_stacker },
 343         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 344         { max_stack,            NULL,
 345           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 346         { NULL,                 NULL,                   0,      NULL  },
 347 };
 348
 349 /* position of max_stack mode in the layouts array, index into layouts! */
 350 #define SWM_V_STACK             (0)
 351 #define SWM_H_STACK             (1)
 352 #define SWM_MAX_STACK           (2)
 353
 354 #define SWM_H_SLICE             (32)
 355 #define SWM_V_SLICE             (32)
 356
 357 /* define work spaces */
 358 struct workspace {
 359         int                     idx;            /* workspace index */
 360         int                     always_raise;   /* raise windows on focus */
 361         struct layout           *cur_layout;    /* current layout handlers */
 362         struct ws_win           *focus;         /* may be NULL */
 363         struct ws_win           *focus_prev;    /* may be NULL */
 364         struct swm_region       *r;             /* may be NULL */
 365         struct swm_region       *old_r;         /* may be NULL */
 366         struct ws_win_list      winlist;        /* list of windows in ws */
 367         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 368         char                    stacker[10];    /* display stacker and layout */
 369
 370         /* stacker state */
 371         struct {
 372                                 int horizontal_msize;
 373                                 int horizontal_mwin;
 374                                 int horizontal_stacks;
 375                                 int vertical_msize;
 376                                 int vertical_mwin;
 377                                 int vertical_stacks;
 378         } l_state;
 379 };
 380
 381 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 382           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 383
 384 /* physical screen mapping */
 385 #define SWM_WS_MAX              (10)
 386 struct swm_screen {
 387         int                     idx;    /* screen index */
 388         struct swm_region_list  rl;     /* list of regions on this screen */
 389         struct swm_region_list  orl;    /* list of old regions */
 390         Window                  root;
 391         struct workspace        ws[SWM_WS_MAX];
 392
 393         /* colors */
 394         struct {
 395                 unsigned long   color;
 396                 char            *name;
 397         } c[SWM_S_COLOR_MAX];
 398 };
 399 struct swm_screen       *screens;
 400 int                     num_screens;
 401
 402 /* args to functions */
 403 union arg {
 404         int                     id;
 405 #define SWM_ARG_ID_FOCUSNEXT    (0)
 406 #define SWM_ARG_ID_FOCUSPREV    (1)
 407 #define SWM_ARG_ID_FOCUSMAIN    (2)
 408 #define SWM_ARG_ID_FOCUSCUR     (4)
 409 #define SWM_ARG_ID_SWAPNEXT     (10)
 410 #define SWM_ARG_ID_SWAPPREV     (11)
 411 #define SWM_ARG_ID_SWAPMAIN     (12)
 412 #define SWM_ARG_ID_MOVELAST     (13)
 413 #define SWM_ARG_ID_MASTERSHRINK (20)
 414 #define SWM_ARG_ID_MASTERGROW   (21)
 415 #define SWM_ARG_ID_MASTERADD    (22)
 416 #define SWM_ARG_ID_MASTERDEL    (23)
 417 #define SWM_ARG_ID_STACKRESET   (30)
 418 #define SWM_ARG_ID_STACKINIT    (31)
 419 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 420 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 421 #define SWM_ARG_ID_CYCLESC_UP   (42)
 422 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 423 #define SWM_ARG_ID_STACKINC     (50)
 424 #define SWM_ARG_ID_STACKDEC     (51)
 425 #define SWM_ARG_ID_SS_ALL       (60)
 426 #define SWM_ARG_ID_SS_WINDOW    (61)
 427 #define SWM_ARG_ID_DONTCENTER   (70)
 428 #define SWM_ARG_ID_CENTER       (71)
 429 #define SWM_ARG_ID_KILLWINDOW   (80)
 430 #define SWM_ARG_ID_DELETEWINDOW (81)
 431 #define SWM_ARG_ID_WIDTHGROW    (90)
 432 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 433 #define SWM_ARG_ID_HEIGHTGROW   (92)
 434 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 435 #define SWM_ARG_ID_MOVEUP       (100)
 436 #define SWM_ARG_ID_MOVEDOWN     (101)
 437 #define SWM_ARG_ID_MOVELEFT     (102)
 438 #define SWM_ARG_ID_MOVERIGHT    (103)
 439         char                    **argv;
 440 };
 441
 442 void    focus(struct swm_region *, union arg *);
 443 void    focus_magic(struct ws_win *);
 444
 445 /* quirks */
 446 struct quirk {
 447         char                    *class;
 448         char                    *name;
 449         unsigned long           quirk;
 450 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 451 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 452 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 453 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 454 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 455 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 456 };
 457 int                             quirks_size = 0, quirks_length = 0;
 458 struct quirk                    *quirks = NULL;
 459
 460 /*
 461  * Supported EWMH hints should be added to
 462  * both the enum and the ewmh array
 463  */
 464 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 465     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 466     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 467     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 468     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 469     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 470     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 471     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 472     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 473     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 474     SWM_EWMH_HINT_MAX };
 475
 476 struct ewmh_hint {
 477         char    *name;
 478         Atom     atom;
 479 } ewmh[SWM_EWMH_HINT_MAX] =     {
 480     /* must be in same order as in the enum */
 481     {"_NET_ACTIVE_WINDOW", None},
 482     {"_NET_MOVERESIZE_WINDOW", None},
 483     {"_NET_CLOSE_WINDOW", None},
 484     {"_NET_WM_WINDOW_TYPE", None},
 485     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 486     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 487     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 488     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 489     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 490     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 491     {"_NET_WM_STATE", None},
 492     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 493     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 494     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 495     {"_NET_WM_STATE_SKIP_PAGER", None},
 496     {"_NET_WM_STATE_HIDDEN", None},
 497     {"_NET_WM_STATE_ABOVE", None},
 498     {"_SWM_WM_STATE_MANUAL", None},
 499     {"_NET_WM_STATE_FULLSCREEN", None},
 500     {"_NET_WM_ALLOWED_ACTIONS", None},
 501     {"_NET_WM_ACTION_MOVE", None},
 502     {"_NET_WM_ACTION_RESIZE", None},
 503     {"_NET_WM_ACTION_FULLSCREEN", None},
 504     {"_NET_WM_ACTION_CLOSE", None},
 505 };
 506
 507 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 508 int     floating_toggle_win(struct ws_win *win);
 509 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 510
 511 int
 512 get_property(Window id, Atom atom, long count, Atom type,
 513     unsigned long *n, unsigned char **data)
 514 {
 515         int                     format, status;
 516         unsigned long           tmp, extra;
 517         unsigned long           *nitems;
 518         Atom                    real;
 519
 520         nitems = n != NULL ? n : &tmp;
 521         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 522             &real, &format, nitems, &extra, data);
 523
 524         if (status != Success)
 525                 return False;
 526         if (real != type)
 527                 return False;
 528
 529         return True;
 530 }
 531
 532 void
 533 update_iconic(struct ws_win *win, int newv)
 534 {
 535         int32_t v = newv;
 536         Atom iprop;
 537
 538         win->iconic = newv;
 539
 540         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 541         if (!iprop)
 542                 return;
 543         if (newv)
 544                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 545                     PropModeReplace, (unsigned char *)&v, 1);
 546         else
 547                 XDeleteProperty(display, win->id, iprop);
 548 }
 549
 550 int
 551 get_iconic(struct ws_win *win)
 552 {
 553         int32_t v = 0;
 554         int retfmt, status;
 555         Atom iprop, rettype;
 556         unsigned long nitems, extra;
 557         unsigned char *prop = NULL;
 558
 559         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 560         if (!iprop)
 561                 goto out;
 562         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 563             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 564         if (status != Success)
 565                 goto out;
 566         if (rettype != XA_INTEGER || retfmt != 32)
 567                 goto out;
 568         if (nitems != 1)
 569                 goto out;
 570         v = *((int32_t *)prop);
 571
 572 out:
 573         if (prop != NULL)
 574                 XFree(prop);
 575         return (v);
 576 }
 577
 578 void
 579 setup_ewmh(void)
 580 {
 581         int                     i,j;
 582         Atom                    sup_list;
 583
 584         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 585
 586         for (i = 0; i < LENGTH(ewmh); i++)
 587                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 588
 589         for (i = 0; i < ScreenCount(display); i++) {
 590                 /* Support check window will be created by workaround(). */
 591
 592                 /* Report supported atoms */
 593                 XDeleteProperty(display, screens[i].root, sup_list);
 594                 for (j = 0; j < LENGTH(ewmh); j++)
 595                         XChangeProperty(display, screens[i].root,
 596                             sup_list, XA_ATOM, 32,
 597                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 598         }
 599 }
 600
 601 void
 602 teardown_ewmh(void)
 603 {
 604         int                     i, success;
 605         unsigned char           *data = NULL;
 606         unsigned long           n;
 607         Atom                    sup_check, sup_list;
 608         Window                  id;
 609
 610         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 611         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 612
 613         for (i = 0; i < ScreenCount(display); i++) {
 614                 /* Get the support check window and destroy it */
 615                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 616                     &n, &data);
 617
 618                 if (success) {
 619                         id = data[0];
 620                         XDestroyWindow(display, id);
 621                         XDeleteProperty(display, screens[i].root, sup_check);
 622                         XDeleteProperty(display, screens[i].root, sup_list);
 623                 }
 624
 625                 XFree(data);
 626         }
 627 }
 628
 629 void
 630 ewmh_autoquirk(struct ws_win *win)
 631 {
 632         int                     success, i;
 633         unsigned long           *data = NULL, n;
 634         Atom                    type;
 635
 636         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 637             XA_ATOM, &n, (void *)&data);
 638
 639         if (!success) {
 640                 XFree(data);
 641                 return;
 642         }
 643
 644         for (i = 0; i < n; i++) {
 645                 type = data[i];
 646                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 647                         break;
 648                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 649                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 650                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 651                         win->floating = 1;
 652                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 653                         break;
 654                 }
 655                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 656                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 657                         win->floating = 1;
 658                         win->quirks = SWM_Q_FLOAT;
 659                         break;
 660                 }
 661         }
 662
 663         XFree(data);
 664 }
 665
 666 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 667 #define EWMH_F_FULLSCREEN               (1<<0)
 668 #define EWMH_F_ABOVE                    (1<<1)
 669 #define EWMH_F_HIDDEN                   (1<<2)
 670 #define EWMH_F_SKIP_PAGER               (1<<3)
 671 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 672 #define SWM_F_MANUAL                    (1<<5)
 673
 674 int
 675 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 676 {
 677         struct swm_geometry     rg;
 678
 679         if (!win->ws->r)
 680                 return 0;
 681
 682         if (!win->floating)
 683                 return 0;
 684
 685         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 686             win->id, fs);
 687
 688         rg = win->ws->r->g;
 689
 690         if (fs) {
 691                 store_float_geom(win, win->ws->r);
 692
 693                 win->g.x = rg.x;
 694                 win->g.y = rg.y;
 695                 win->g.w = rg.w;
 696                 win->g.h = rg.h;
 697         } else {
 698                 if (win->g_floatvalid) {
 699                         /* refloat at last floating relative position */
 700                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 701                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 702                         win->g.w = win->g_float.w;
 703                         win->g.h = win->g_float.h;
 704                 }
 705         }
 706
 707         return 1;
 708 }
 709
 710 void
 711 ewmh_update_actions(struct ws_win *win)
 712 {
 713         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 714         int                     n = 0;
 715
 716         if (win == NULL)
 717                 return;
 718
 719         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 720
 721         if (win->floating) {
 722                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 723                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 724         }
 725
 726         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 727             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 728 }
 729
 730 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 731 #define _NET_WM_STATE_ADD       1    /* add/set property */
 732 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 733
 734 void
 735 ewmh_update_win_state(struct ws_win *win, long state, long action)
 736 {
 737         unsigned int            mask = 0;
 738         unsigned int            changed = 0;
 739         unsigned int            orig_flags;
 740
 741         if (win == NULL)
 742                 return;
 743
 744         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 745                 mask = EWMH_F_FULLSCREEN;
 746         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 747                 mask = EWMH_F_ABOVE;
 748         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 749                 mask = SWM_F_MANUAL;
 750         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 751                 mask = EWMH_F_SKIP_PAGER;
 752         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 753                 mask = EWMH_F_SKIP_TASKBAR;
 754
 755
 756         orig_flags = win->ewmh_flags;
 757
 758         switch (action) {
 759         case _NET_WM_STATE_REMOVE:
 760                 win->ewmh_flags &= ~mask;
 761                 break;
 762         case _NET_WM_STATE_ADD:
 763                 win->ewmh_flags |= mask;
 764                 break;
 765         case _NET_WM_STATE_TOGGLE:
 766                 win->ewmh_flags ^= mask;
 767                 break;
 768         }
 769
 770         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 771
 772         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 773                 if (changed)
 774                         if (!floating_toggle_win(win))
 775                                 win->ewmh_flags = orig_flags; /* revert */
 776         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 777                 if (changed)
 778                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 779         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 780                 if (changed)
 781                         if (!ewmh_set_win_fullscreen(win,
 782                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 783                                 win->ewmh_flags = orig_flags; /* revert */
 784
 785         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 786
 787         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 788                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 789                     XA_ATOM, 32, PropModeAppend,
 790                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 791         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 792                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 793                     XA_ATOM, 32, PropModeAppend,
 794                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 795         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 796                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 797                     XA_ATOM, 32, PropModeAppend,
 798                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 799         if (win->ewmh_flags & EWMH_F_ABOVE)
 800                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 801                     XA_ATOM, 32, PropModeAppend,
 802                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 803         if (win->ewmh_flags & SWM_F_MANUAL)
 804                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 805                     XA_ATOM, 32, PropModeAppend,
 806                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 807 }
 808
 809 void
 810 ewmh_get_win_state(struct ws_win *win)
 811 {
 812         int                     success, i;
 813         unsigned long           n;
 814         Atom                    *states;
 815
 816         if (win == NULL)
 817                 return;
 818
 819         win->ewmh_flags = 0;
 820         if (win->floating)
 821                 win->ewmh_flags |= EWMH_F_ABOVE;
 822         if (win->manual)
 823                 win->ewmh_flags |= SWM_F_MANUAL;
 824
 825         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 826             (~0L), XA_ATOM, &n, (void *)&states);
 827
 828         if (!success)
 829                 return;
 830
 831         for (i = 0; i < n; i++)
 832                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 833
 834         XFree(states);
 835 }
 836
 837 /* events */
 838 #ifdef SWM_DEBUG
 839 void
 840 dumpevent(XEvent *e)
 841 {
 842         char                    *name = NULL;
 843
 844         switch (e->type) {
 845         case KeyPress:
 846                 name = "KeyPress";
 847                 break;
 848         case KeyRelease:
 849                 name = "KeyRelease";
 850                 break;
 851         case ButtonPress:
 852                 name = "ButtonPress";
 853                 break;
 854         case ButtonRelease:
 855                 name = "ButtonRelease";
 856                 break;
 857         case MotionNotify:
 858                 name = "MotionNotify";
 859                 break;
 860         case EnterNotify:
 861                 name = "EnterNotify";
 862                 break;
 863         case LeaveNotify:
 864                 name = "LeaveNotify";
 865                 break;
 866         case FocusIn:
 867                 name = "FocusIn";
 868                 break;
 869         case FocusOut:
 870                 name = "FocusOut";
 871                 break;
 872         case KeymapNotify:
 873                 name = "KeymapNotify";
 874                 break;
 875         case Expose:
 876                 name = "Expose";
 877                 break;
 878         case GraphicsExpose:
 879                 name = "GraphicsExpose";
 880                 break;
 881         case NoExpose:
 882                 name = "NoExpose";
 883                 break;
 884         case VisibilityNotify:
 885                 name = "VisibilityNotify";
 886                 break;
 887         case CreateNotify:
 888                 name = "CreateNotify";
 889                 break;
 890         case DestroyNotify:
 891                 name = "DestroyNotify";
 892                 break;
 893         case UnmapNotify:
 894                 name = "UnmapNotify";
 895                 break;
 896         case MapNotify:
 897                 name = "MapNotify";
 898                 break;
 899         case MapRequest:
 900                 name = "MapRequest";
 901                 break;
 902         case ReparentNotify:
 903                 name = "ReparentNotify";
 904                 break;
 905         case ConfigureNotify:
 906                 name = "ConfigureNotify";
 907                 break;
 908         case ConfigureRequest:
 909                 name = "ConfigureRequest";
 910                 break;
 911         case GravityNotify:
 912                 name = "GravityNotify";
 913                 break;
 914         case ResizeRequest:
 915                 name = "ResizeRequest";
 916                 break;
 917         case CirculateNotify:
 918                 name = "CirculateNotify";
 919                 break;
 920         case CirculateRequest:
 921                 name = "CirculateRequest";
 922                 break;
 923         case PropertyNotify:
 924                 name = "PropertyNotify";
 925                 break;
 926         case SelectionClear:
 927                 name = "SelectionClear";
 928                 break;
 929         case SelectionRequest:
 930                 name = "SelectionRequest";
 931                 break;
 932         case SelectionNotify:
 933                 name = "SelectionNotify";
 934                 break;
 935         case ColormapNotify:
 936                 name = "ColormapNotify";
 937                 break;
 938         case ClientMessage:
 939                 name = "ClientMessage";
 940                 break;
 941         case MappingNotify:
 942                 name = "MappingNotify";
 943                 break;
 944         }
 945
 946         if (name)
 947                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 948                     "remaining\n",
 949                     e->xany.window, name, e->type, QLength(display));
 950         else
 951                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 952                     "remaining\n",
 953                     e->xany.window, e->type, QLength(display));
 954 }
 955
 956 void
 957 dumpwins(struct swm_region *r, union arg *args)
 958 {
 959         struct ws_win           *win;
 960         unsigned int            state;
 961         XWindowAttributes       wa;
 962
 963         if (r->ws == NULL) {
 964                 fprintf(stderr, "invalid workspace\n");
 965                 return;
 966         }
 967
 968         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 969
 970         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 971                 state = getstate(win->id);
 972                 if (!XGetWindowAttributes(display, win->id, &wa))
 973                         fprintf(stderr, "window: %lu failed "
 974                             "XGetWindowAttributes\n", win->id);
 975                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 976                     "transient: %lu\n",
 977                     win->id, wa.map_state, state, win->transient);
 978         }
 979
 980         fprintf(stderr, "===== unmanaged window list =====\n");
 981         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 982                 state = getstate(win->id);
 983                 if (!XGetWindowAttributes(display, win->id, &wa))
 984                         fprintf(stderr, "window: %lu failed "
 985                             "XGetWindowAttributes\n", win->id);
 986                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 987                     "transient: %lu\n",
 988                     win->id, wa.map_state, state, win->transient);
 989         }
 990
 991         fprintf(stderr, "=================================\n");
 992 }
 993 #else
 994 #define dumpevent(e)
 995 void
 996 dumpwins(struct swm_region *r, union arg *args)
 997 {
 998 }
 999 #endif /* SWM_DEBUG */
1000
1001 void                    expose(XEvent *);
1002 void                    keypress(XEvent *);
1003 void                    buttonpress(XEvent *);
1004 void                    configurerequest(XEvent *);
1005 void                    configurenotify(XEvent *);
1006 void                    destroynotify(XEvent *);
1007 void                    enternotify(XEvent *);
1008 void                    focusevent(XEvent *);
1009 void                    mapnotify(XEvent *);
1010 void                    mappingnotify(XEvent *);
1011 void                    maprequest(XEvent *);
1012 void                    propertynotify(XEvent *);
1013 void                    unmapnotify(XEvent *);
1014 void                    visibilitynotify(XEvent *);
1015 void                    clientmessage(XEvent *);
1016
1017 void                    (*handler[LASTEvent])(XEvent *) = {
1018                                 [Expose] = expose,
1019                                 [KeyPress] = keypress,
1020                                 [ButtonPress] = buttonpress,
1021                                 [ConfigureRequest] = configurerequest,
1022                                 [ConfigureNotify] = configurenotify,
1023                                 [DestroyNotify] = destroynotify,
1024                                 [EnterNotify] = enternotify,
1025                                 [FocusIn] = focusevent,
1026                                 [FocusOut] = focusevent,
1027                                 [MapNotify] = mapnotify,
1028                                 [MappingNotify] = mappingnotify,
1029                                 [MapRequest] = maprequest,
1030                                 [PropertyNotify] = propertynotify,
1031                                 [UnmapNotify] = unmapnotify,
1032                                 [VisibilityNotify] = visibilitynotify,
1033                                 [ClientMessage] = clientmessage,
1034 };
1035
1036 void
1037 sighdlr(int sig)
1038 {
1039         int                     saved_errno, status;
1040         pid_t                   pid;
1041
1042         saved_errno = errno;
1043
1044         switch (sig) {
1045         case SIGCHLD:
1046                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1047                         if (pid == -1) {
1048                                 if (errno == EINTR)
1049                                         continue;
1050 #ifdef SWM_DEBUG
1051                                 if (errno != ECHILD)
1052                                         warn("sighdlr: waitpid");
1053 #endif /* SWM_DEBUG */
1054                                 break;
1055                         }
1056                         if (pid == searchpid)
1057                                 search_resp = 1;
1058
1059 #ifdef SWM_DEBUG
1060                         if (WIFEXITED(status)) {
1061                                 if (WEXITSTATUS(status) != 0)
1062                                         warnx("sighdlr: child exit status: %d",
1063                                             WEXITSTATUS(status));
1064                         } else
1065                                 warnx("sighdlr: child is terminated "
1066                                     "abnormally");
1067 #endif /* SWM_DEBUG */
1068                 }
1069                 break;
1070
1071         case SIGHUP:
1072                 restart_wm = 1;
1073                 break;
1074         case SIGINT:
1075         case SIGTERM:
1076         case SIGQUIT:
1077                 running = 0;
1078                 break;
1079         }
1080
1081         errno = saved_errno;
1082 }
1083
1084 struct pid_e *
1085 find_pid(long pid)
1086 {
1087         struct pid_e            *p = NULL;
1088
1089         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1090
1091         if (pid == 0)
1092                 return (NULL);
1093
1094         TAILQ_FOREACH(p, &pidlist, entry) {
1095                 if (p->pid == pid)
1096                         return (p);
1097         }
1098
1099         return (NULL);
1100 }
1101
1102 unsigned long
1103 name_to_color(char *colorname)
1104 {
1105         Colormap                cmap;
1106         Status                  status;
1107         XColor                  screen_def, exact_def;
1108         unsigned long           result = 0;
1109         char                    cname[32] = "#";
1110
1111         cmap = DefaultColormap(display, screens[0].idx);
1112         status = XAllocNamedColor(display, cmap, colorname,
1113             &screen_def, &exact_def);
1114         if (!status) {
1115                 strlcat(cname, colorname + 2, sizeof cname - 1);
1116                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1117                     &exact_def);
1118         }
1119         if (status)
1120                 result = screen_def.pixel;
1121         else
1122                 fprintf(stderr, "color '%s' not found.\n", colorname);
1123
1124         return (result);
1125 }
1126
1127 void
1128 setscreencolor(char *val, int i, int c)
1129 {
1130         if (i > 0 && i <= ScreenCount(display)) {
1131                 screens[i - 1].c[c].color = name_to_color(val);
1132                 free(screens[i - 1].c[c].name);
1133                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1134                         errx(1, "strdup");
1135         } else if (i == -1) {
1136                 for (i = 0; i < ScreenCount(display); i++) {
1137                         screens[i].c[c].color = name_to_color(val);
1138                         free(screens[i].c[c].name);
1139                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1140                                 errx(1, "strdup");
1141                 }
1142         } else
1143                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1144                     i, ScreenCount(display));
1145 }
1146
1147 void
1148 fancy_stacker(struct workspace *ws)
1149 {
1150         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1151         if (ws->cur_layout->l_stack == vertical_stack)
1152                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1153                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1154         if (ws->cur_layout->l_stack == horizontal_stack)
1155                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1156                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1157 }
1158
1159 void
1160 plain_stacker(struct workspace *ws)
1161 {
1162         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1163         if (ws->cur_layout->l_stack == vertical_stack)
1164                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1165         if (ws->cur_layout->l_stack == horizontal_stack)
1166                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1167 }
1168
1169 void
1170 custom_region(char *val)
1171 {
1172         unsigned int                    sidx, x, y, w, h;
1173
1174         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1175                 errx(1, "invalid custom region, "
1176                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1177         if (sidx < 1 || sidx > ScreenCount(display))
1178                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1179                     sidx, ScreenCount(display));
1180         sidx--;
1181
1182         if (w < 1 || h < 1)
1183                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1184
1185         if (x > DisplayWidth(display, sidx) ||
1186             y > DisplayHeight(display, sidx) ||
1187             w + x > DisplayWidth(display, sidx) ||
1188             h + y > DisplayHeight(display, sidx)) {
1189                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1190                     "- not within screen boundaries "
1191                     "(%ux%u)\n", w, h, x, y,
1192                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1193                 return;
1194         }
1195
1196         new_region(&screens[sidx], x, y, w, h);
1197 }
1198
1199 void
1200 socket_setnonblock(int fd)
1201 {
1202         int                     flags;
1203
1204         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1205                 err(1, "fcntl F_GETFL");
1206         flags |= O_NONBLOCK;
1207         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1208                 err(1, "fcntl F_SETFL");
1209 }
1210
1211 void
1212 bar_print(struct swm_region *r, char *s)
1213 {
1214         XClearWindow(display, r->bar_window);
1215         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1216         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1217             strlen(s));
1218 }
1219
1220 void
1221 bar_extra_stop(void)
1222 {
1223         if (bar_pipe[0]) {
1224                 close(bar_pipe[0]);
1225                 bzero(bar_pipe, sizeof bar_pipe);
1226         }
1227         if (bar_pid) {
1228                 kill(bar_pid, SIGTERM);
1229                 bar_pid = 0;
1230         }
1231         strlcpy(bar_ext, "", sizeof bar_ext);
1232         bar_extra = 0;
1233 }
1234
1235 void
1236 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1237 {
1238         int                     do_class, do_name;
1239         Status                  status;
1240         XClassHint              *xch = NULL;
1241
1242         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1243             cur_focus != NULL) {
1244                 if ((xch = XAllocClassHint()) == NULL)
1245                         goto out;
1246                 status = XGetClassHint(display, cur_focus->id, xch);
1247                 if (status == BadWindow || status == BadAlloc)
1248                         goto out;
1249                 do_class = (title_class_enabled && xch->res_class != NULL);
1250                 do_name = (title_name_enabled && xch->res_name != NULL);
1251                 if (do_class)
1252                         strlcat(s, xch->res_class, sz);
1253                 if (do_class && do_name)
1254                         strlcat(s, ":", sz);
1255                 if (do_name)
1256                         strlcat(s, xch->res_name, sz);
1257                 strlcat(s, "    ", sz);
1258         }
1259 out:
1260         if (xch)
1261                 XFree(xch);
1262 }
1263
1264 void
1265 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1266 {
1267         char                    *title;
1268
1269         if (window_name_enabled && cur_focus != NULL) {
1270                 XFetchName(display, cur_focus->id, &title);
1271                 if (title) {
1272                         if (cur_focus->floating)
1273                                 strlcat(s, "(f) ", sz);
1274                         strlcat(s, title, sz);
1275                         strlcat(s, " ", sz);
1276                         XFree(title);
1277                 }
1278         }
1279 }
1280
1281 int             urgent[SWM_WS_MAX];
1282 void
1283 bar_urgent(char *s, ssize_t sz)
1284 {
1285         XWMHints                *wmh = NULL;
1286         struct ws_win           *win;
1287         int                     i, j;
1288         char                    b[8];
1289
1290         if (urgent_enabled == 0)
1291                 return;
1292
1293         for (i = 0; i < SWM_WS_MAX; i++)
1294                 urgent[i] = 0;
1295
1296         for (i = 0; i < ScreenCount(display); i++)
1297                 for (j = 0; j < SWM_WS_MAX; j++)
1298                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1299                                 wmh = XGetWMHints(display, win->id);
1300                                 if (wmh == NULL)
1301                                         continue;
1302
1303                                 if (wmh->flags & XUrgencyHint)
1304                                         urgent[j] = 1;
1305                                 XFree(wmh);
1306                         }
1307
1308         strlcat(s, "* ", sz);
1309         for (i = 0; i < SWM_WS_MAX; i++) {
1310                 if (urgent[i])
1311                         snprintf(b, sizeof b, "%d ", i + 1);
1312                 else
1313                         snprintf(b, sizeof b, "- ");
1314                 strlcat(s, b, sz);
1315         }
1316         strlcat(s, "*    ", sz);
1317 }
1318
1319 void
1320 bar_update(void)
1321 {
1322         time_t                  tmt;
1323         struct tm               tm;
1324         struct swm_region       *r;
1325         int                     i, x;
1326         size_t                  len;
1327         char                    s[SWM_BAR_MAX];
1328         char                    cn[SWM_BAR_MAX];
1329         char                    loc[SWM_BAR_MAX];
1330         char                    *b, *stack = "";
1331
1332         if (bar_enabled == 0)
1333                 return;
1334         if (bar_extra && bar_extra_running) {
1335                 /* ignore short reads; it'll correct itself */
1336                 while ((b = fgetln(stdin, &len)) != NULL)
1337                         if (b && b[len - 1] == '\n') {
1338                                 b[len - 1] = '\0';
1339                                 strlcpy(bar_ext, b, sizeof bar_ext);
1340                         }
1341                 if (b == NULL && errno != EAGAIN) {
1342                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1343                             errno, strerror(errno));
1344                         bar_extra_stop();
1345                 }
1346         } else
1347                 strlcpy(bar_ext, "", sizeof bar_ext);
1348
1349         if (clock_enabled == 0)
1350                 strlcpy(s, "", sizeof s);
1351         else {
1352                 time(&tmt);
1353                 localtime_r(&tmt, &tm);
1354                 strftime(s, sizeof s, clock_format, &tm);
1355                 strlcat(s, "    ", sizeof s);
1356         }
1357
1358         for (i = 0; i < ScreenCount(display); i++) {
1359                 x = 1;
1360                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1361                         strlcpy(cn, "", sizeof cn);
1362                         if (r && r->ws) {
1363                                 bar_urgent(cn, sizeof cn);
1364                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1365                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1366                         }
1367                         if (stack_enabled)
1368                                 stack = r->ws->stacker;
1369
1370                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1371                             x++, r->ws->idx + 1, stack, s, cn, bar_ext, bar_vertext);
1372                         bar_print(r, loc);
1373                 }
1374         }
1375         alarm(bar_delay);
1376 }
1377
1378 void
1379 bar_signal(int sig)
1380 {
1381         bar_alarm = 1;
1382 }
1383
1384 void
1385 bar_toggle(struct swm_region *r, union arg *args)
1386 {
1387         struct swm_region       *tmpr;
1388         int                     i, sc = ScreenCount(display);
1389
1390         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1391
1392         if (bar_enabled)
1393                 for (i = 0; i < sc; i++)
1394                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1395                                 XUnmapWindow(display, tmpr->bar_window);
1396         else
1397                 for (i = 0; i < sc; i++)
1398                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1399                                 XMapRaised(display, tmpr->bar_window);
1400
1401         bar_enabled = !bar_enabled;
1402
1403         stack();
1404         /* must be after stack */
1405         bar_update();
1406 }
1407
1408 void
1409 bar_refresh(void)
1410 {
1411         XSetWindowAttributes    wa;
1412         struct swm_region       *r;
1413         int                     i;
1414
1415         /* do this here because the conf file is in memory */
1416         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1417                 /* launch external status app */
1418                 bar_extra_running = 1;
1419                 if (pipe(bar_pipe) == -1)
1420                         err(1, "pipe error");
1421                 socket_setnonblock(bar_pipe[0]);
1422                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1423                 if (dup2(bar_pipe[0], 0) == -1)
1424                         errx(1, "dup2");
1425                 if (dup2(bar_pipe[1], 1) == -1)
1426                         errx(1, "dup2");
1427                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1428                         err(1, "could not disable SIGPIPE");
1429                 switch (bar_pid = fork()) {
1430                 case -1:
1431                         err(1, "cannot fork");
1432                         break;
1433                 case 0: /* child */
1434                         close(bar_pipe[0]);
1435                         execvp(bar_argv[0], bar_argv);
1436                         err(1, "%s external app failed", bar_argv[0]);
1437                         break;
1438                 default: /* parent */
1439                         close(bar_pipe[1]);
1440                         break;
1441                 }
1442         }
1443
1444         bzero(&wa, sizeof wa);
1445         for (i = 0; i < ScreenCount(display); i++)
1446                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1447                         wa.border_pixel =
1448                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1449                         wa.background_pixel =
1450                             screens[i].c[SWM_S_COLOR_BAR].color;
1451                         XChangeWindowAttributes(display, r->bar_window,
1452                             CWBackPixel | CWBorderPixel, &wa);
1453                 }
1454         bar_update();
1455 }
1456
1457 void
1458 bar_setup(struct swm_region *r)
1459 {
1460         int                     i, x, y;
1461
1462         if (bar_fs) {
1463                 XFreeFont(display, bar_fs);
1464                 bar_fs = NULL;
1465         }
1466
1467         for (i = 0; bar_fonts[i] != NULL; i++) {
1468                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1469                 if (bar_fs) {
1470                         bar_fidx = i;
1471                         break;
1472                 }
1473         }
1474         if (bar_fonts[i] == NULL)
1475                         errx(1, "couldn't load font");
1476         if (bar_fs == NULL)
1477                 errx(1, "couldn't create font structure");
1478
1479         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1480             2 * bar_border_width;
1481         x = X(r);
1482         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1483
1484         r->bar_window = XCreateSimpleWindow(display,
1485             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1486             bar_height - 2 * bar_border_width,
1487             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1488             r->s->c[SWM_S_COLOR_BAR].color);
1489         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1490         XSetFont(display, bar_gc, bar_fs->fid);
1491         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1492         if (bar_enabled)
1493                 XMapRaised(display, r->bar_window);
1494         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1495
1496         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1497                 err(1, "could not install bar_signal");
1498         bar_refresh();
1499 }
1500
1501 void
1502 drain_enter_notify(void)
1503 {
1504         int                     i = 0;
1505         XEvent                  cne;
1506
1507         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1508                 i++;
1509
1510         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1511 }
1512
1513 void
1514 set_win_state(struct ws_win *win, long state)
1515 {
1516         long                    data[] = {state, None};
1517
1518         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1519
1520         if (win == NULL)
1521                 return;
1522
1523         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1524             (unsigned char *)data, 2);
1525 }
1526
1527 long
1528 getstate(Window w)
1529 {
1530         long                    result = -1;
1531         unsigned char           *p = NULL;
1532         unsigned long           n;
1533
1534         if (!get_property(w, astate, 2L, astate, &n, &p))
1535                 return (-1);
1536         if (n != 0)
1537                 result = *((long *)p);
1538         XFree(p);
1539         return (result);
1540 }
1541
1542 void
1543 version(struct swm_region *r, union arg *args)
1544 {
1545         bar_version = !bar_version;
1546         if (bar_version)
1547                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s Build: %s",
1548                     SCROTWM_VERSION, buildstr);
1549         else
1550                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1551         bar_update();
1552 }
1553
1554 void
1555 client_msg(struct ws_win *win, Atom a)
1556 {
1557         XClientMessageEvent     cm;
1558
1559         if (win == NULL)
1560                 return;
1561
1562         bzero(&cm, sizeof cm);
1563         cm.type = ClientMessage;
1564         cm.window = win->id;
1565         cm.message_type = aprot;
1566         cm.format = 32;
1567         cm.data.l[0] = a;
1568         cm.data.l[1] = CurrentTime;
1569         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1570 }
1571
1572 void
1573 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1574 {
1575         XConfigureEvent         ce;
1576
1577         if (win == NULL)
1578                 return;
1579
1580         if (ev == NULL) {
1581                 DNPRINTF(SWM_D_MISC,
1582                     "config_win: win %lu x %d y %d w %d h %d\n",
1583                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1584
1585                 ce.type = ConfigureNotify;
1586                 ce.display = display;
1587                 ce.event = win->id;
1588                 ce.window = win->id;
1589                 ce.x = win->g.x;
1590                 ce.y = win->g.y;
1591                 ce.width = win->g.w;
1592                 ce.height = win->g.h;
1593                 ce.border_width = border_width;
1594                 ce.above = None;
1595                 ce.override_redirect = False;
1596         } else {
1597                 DNPRINTF(SWM_D_MISC,
1598                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1599                     ev->window, ev->x, ev->y, ev->width, ev->height);
1600                 ce.type = ConfigureNotify;
1601                 ce.display = ev->display;
1602                 ce.event = ev->window;
1603                 ce.window = ev->window;
1604                 ce.x = ev->x;
1605                 ce.y = ev->y;
1606                 ce.width = ev->width;
1607                 ce.height = ev->height;
1608                 ce.border_width = ev->border_width;
1609                 ce.above = ev->above;
1610                 ce.override_redirect = False;
1611         }
1612
1613         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1614 }
1615
1616 int
1617 count_win(struct workspace *ws, int count_transient)
1618 {
1619         struct ws_win           *win;
1620         int                     count = 0;
1621
1622         TAILQ_FOREACH(win, &ws->winlist, entry) {
1623                 if (count_transient == 0 && win->floating)
1624                         continue;
1625                 if (count_transient == 0 && win->transient)
1626                         continue;
1627                 if (win->iconic)
1628                         continue;
1629                 count++;
1630         }
1631         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1632
1633         return (count);
1634 }
1635
1636 void
1637 quit(struct swm_region *r, union arg *args)
1638 {
1639         DNPRINTF(SWM_D_MISC, "quit\n");
1640         running = 0;
1641 }
1642
1643 void
1644 unmap_window(struct ws_win *win)
1645 {
1646         if (win == NULL)
1647                 return;
1648
1649         /* don't unmap again */
1650         if (getstate(win->id) == IconicState)
1651                 return;
1652
1653         set_win_state(win, IconicState);
1654
1655         XUnmapWindow(display, win->id);
1656         XSetWindowBorder(display, win->id,
1657             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1658 }
1659
1660 void
1661 unmap_all(void)
1662 {
1663         struct ws_win           *win;
1664         int                     i, j;
1665
1666         for (i = 0; i < ScreenCount(display); i++)
1667                 for (j = 0; j < SWM_WS_MAX; j++)
1668                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1669                                 unmap_window(win);
1670 }
1671
1672 void
1673 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1674 {
1675         XKeyEvent event;
1676
1677         if (win == NULL)
1678                 return;
1679
1680         event.display = display;        /* Ignored, but what the hell */
1681         event.window = win->id;
1682         event.root = win->s->root;
1683         event.subwindow = None;
1684         event.time = CurrentTime;
1685         event.x = win->g.x;
1686         event.y = win->g.y;
1687         event.x_root = 1;
1688         event.y_root = 1;
1689         event.same_screen = True;
1690         event.keycode = XKeysymToKeycode(display, keysym);
1691         event.state = modifiers;
1692
1693         event.type = KeyPress;
1694         XSendEvent(event.display, event.window, True,
1695             KeyPressMask, (XEvent *)&event);
1696
1697         event.type = KeyRelease;
1698         XSendEvent(event.display, event.window, True,
1699             KeyPressMask, (XEvent *)&event);
1700
1701 }
1702
1703 void
1704 restart(struct swm_region *r, union arg *args)
1705 {
1706         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1707
1708         /* disable alarm because the following code may not be interrupted */
1709         alarm(0);
1710         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1711                 errx(1, "can't disable alarm");
1712
1713         bar_extra_stop();
1714         bar_extra = 1;
1715         unmap_all();
1716         XCloseDisplay(display);
1717         execvp(start_argv[0], start_argv);
1718         fprintf(stderr, "execvp failed\n");
1719         perror(" failed");
1720         quit(NULL, NULL);
1721 }
1722
1723 struct swm_region *
1724 root_to_region(Window root)
1725 {
1726         struct swm_region       *r = NULL;
1727         Window                  rr, cr;
1728         int                     i, x, y, wx, wy;
1729         unsigned int            mask;
1730
1731         for (i = 0; i < ScreenCount(display); i++)
1732                 if (screens[i].root == root)
1733                         break;
1734
1735         if (XQueryPointer(display, screens[i].root,
1736             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1737                 /* choose a region based on pointer location */
1738                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1739                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1740                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1741                                 break;
1742         }
1743
1744         if (r == NULL)
1745                 r = TAILQ_FIRST(&screens[i].rl);
1746
1747         return (r);
1748 }
1749
1750 struct ws_win *
1751 find_unmanaged_window(Window id)
1752 {
1753         struct ws_win           *win;
1754         int                     i, j;
1755
1756         for (i = 0; i < ScreenCount(display); i++)
1757                 for (j = 0; j < SWM_WS_MAX; j++)
1758                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1759                             entry)
1760                                 if (id == win->id)
1761                                         return (win);
1762         return (NULL);
1763 }
1764
1765 struct ws_win *
1766 find_window(Window id)
1767 {
1768         struct ws_win           *win;
1769         Window                  wrr, wpr, *wcr = NULL;
1770         int                     i, j;
1771         unsigned int            nc;
1772
1773         for (i = 0; i < ScreenCount(display); i++)
1774                 for (j = 0; j < SWM_WS_MAX; j++)
1775                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1776                                 if (id == win->id)
1777                                         return (win);
1778
1779         /* if we were looking for the parent return that window instead */
1780         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1781                 return (NULL);
1782         if (wcr)
1783                 XFree(wcr);
1784
1785         /* ignore not found and root */
1786         if (wpr == 0 || wrr == wpr)
1787                 return (NULL);
1788
1789         /* look for parent */
1790         for (i = 0; i < ScreenCount(display); i++)
1791                 for (j = 0; j < SWM_WS_MAX; j++)
1792                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1793                                 if (wpr == win->id)
1794                                         return (win);
1795
1796         return (NULL);
1797 }
1798
1799 void
1800 spawn(int ws_idx, union arg *args, int close_fd)
1801 {
1802         int                     fd;
1803         char                    *ret = NULL;
1804
1805         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1806
1807         if (display)
1808                 close(ConnectionNumber(display));
1809
1810         setenv("LD_PRELOAD", SWM_LIB, 1);
1811
1812         if (asprintf(&ret, "%d", ws_idx) == -1) {
1813                 perror("_SWM_WS");
1814                 _exit(1);
1815         }
1816         setenv("_SWM_WS", ret, 1);
1817         free(ret);
1818         ret = NULL;
1819
1820         if (asprintf(&ret, "%d", getpid()) == -1) {
1821                 perror("_SWM_PID");
1822                 _exit(1);
1823         }
1824         setenv("_SWM_PID", ret, 1);
1825         free(ret);
1826         ret = NULL;
1827
1828         if (setsid() == -1) {
1829                 perror("setsid");
1830                 _exit(1);
1831         }
1832
1833         if (close_fd) {
1834                 /*
1835                  * close stdin and stdout to prevent interaction between apps
1836                  * and the baraction script
1837                  * leave stderr open to record errors
1838                 */
1839                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1840                         perror("open");
1841                         _exit(1);
1842                 }
1843                 dup2(fd, STDIN_FILENO);
1844                 dup2(fd, STDOUT_FILENO);
1845                 if (fd > 2)
1846                         close(fd);
1847         }
1848
1849         execvp(args->argv[0], args->argv);
1850
1851         perror("execvp");
1852         _exit(1);
1853 }
1854
1855 void
1856 spawnterm(struct swm_region *r, union arg *args)
1857 {
1858         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1859
1860         if (fork() == 0) {
1861                 if (term_width)
1862                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1863                 spawn(r->ws->idx, args, 1);
1864         }
1865 }
1866
1867 void
1868 kill_refs(struct ws_win *win)
1869 {
1870         int                     i, x;
1871         struct swm_region       *r;
1872         struct workspace        *ws;
1873
1874         if (win == NULL)
1875                 return;
1876
1877         for (i = 0; i < ScreenCount(display); i++)
1878                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1879                         for (x = 0; x < SWM_WS_MAX; x++) {
1880                                 ws = &r->s->ws[x];
1881                                 if (win == ws->focus)
1882                                         ws->focus = NULL;
1883                                 if (win == ws->focus_prev)
1884                                         ws->focus_prev = NULL;
1885                         }
1886 }
1887
1888 int
1889 validate_win(struct ws_win *testwin)
1890 {
1891         struct ws_win           *win;
1892         struct workspace        *ws;
1893         struct swm_region       *r;
1894         int                     i, x, foundit = 0;
1895
1896         if (testwin == NULL)
1897                 return (0);
1898
1899         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1900                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1901                         for (x = 0; x < SWM_WS_MAX; x++) {
1902                                 ws = &r->s->ws[x];
1903                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1904                                         if (win == testwin)
1905                                                 return (0);
1906                         }
1907         return (1);
1908 }
1909
1910 int
1911 validate_ws(struct workspace *testws)
1912 {
1913         struct swm_region       *r;
1914         struct workspace        *ws;
1915         int                     foundit, i, x;
1916
1917         /* validate all ws */
1918         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1919                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1920                         for (x = 0; x < SWM_WS_MAX; x++) {
1921                                 ws = &r->s->ws[x];
1922                                 if (ws == testws)
1923                                         return (0);
1924                         }
1925         return (1);
1926 }
1927
1928 void
1929 unfocus_win(struct ws_win *win)
1930 {
1931         XEvent                  cne;
1932         Window                  none = None;
1933
1934         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1935
1936         if (win == NULL)
1937                 return;
1938         if (win->ws == NULL)
1939                 return;
1940
1941         if (validate_ws(win->ws))
1942                 return; /* XXX this gets hit with thunderbird, needs fixing */
1943
1944         if (win->ws->r == NULL)
1945                 return;
1946
1947         if (validate_win(win)) {
1948                 kill_refs(win);
1949                 return;
1950         }
1951
1952         if (win->ws->focus == win) {
1953                 win->ws->focus = NULL;
1954                 win->ws->focus_prev = win;
1955         }
1956
1957         if (validate_win(win->ws->focus)) {
1958                 kill_refs(win->ws->focus);
1959                 win->ws->focus = NULL;
1960         }
1961         if (validate_win(win->ws->focus_prev)) {
1962                 kill_refs(win->ws->focus_prev);
1963                 win->ws->focus_prev = NULL;
1964         }
1965
1966         /* drain all previous unfocus events */
1967         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1968                 ;
1969
1970         grabbuttons(win, 0);
1971         XSetWindowBorder(display, win->id,
1972             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1973
1974         XChangeProperty(display, win->s->root,
1975             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1976             PropModeReplace, (unsigned char *)&none,1);
1977 }
1978
1979 void
1980 unfocus_all(void)
1981 {
1982         struct ws_win           *win;
1983         int                     i, j;
1984
1985         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1986
1987         for (i = 0; i < ScreenCount(display); i++)
1988                 for (j = 0; j < SWM_WS_MAX; j++)
1989                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1990                                 unfocus_win(win);
1991 }
1992
1993 void
1994 focus_win(struct ws_win *win)
1995 {
1996         XEvent                  cne;
1997         Window                  cur_focus;
1998         int                     rr;
1999         struct ws_win           *cfw = NULL;
2000
2001
2002         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
2003
2004         if (win == NULL)
2005                 return;
2006         if (win->ws == NULL)
2007                 return;
2008
2009         if (validate_ws(win->ws))
2010                 return; /* XXX this gets hit with thunderbird, needs fixing */
2011
2012         if (validate_win(win)) {
2013                 kill_refs(win);
2014                 return;
2015         }
2016
2017         if (validate_win(win)) {
2018                 kill_refs(win);
2019                 return;
2020         }
2021
2022         XGetInputFocus(display, &cur_focus, &rr);
2023         if ((cfw = find_window(cur_focus)) != NULL)
2024                 unfocus_win(cfw);
2025         else {
2026                 /* use larger hammer since the window was killed somehow */
2027                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2028                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2029                                 XSetWindowBorder(display, cfw->id,
2030                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2031         }
2032
2033         win->ws->focus = win;
2034
2035         if (win->ws->r != NULL) {
2036                 /* drain all previous focus events */
2037                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2038                         ;
2039
2040                 if (win->java == 0)
2041                         XSetInputFocus(display, win->id,
2042                             RevertToParent, CurrentTime);
2043                 grabbuttons(win, 1);
2044                 XSetWindowBorder(display, win->id,
2045                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2046                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2047                     win->ws->always_raise)
2048                         XMapRaised(display, win->id);
2049
2050                 XChangeProperty(display, win->s->root,
2051                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2052                     PropModeReplace, (unsigned char *)&win->id,1);
2053         }
2054
2055         if (window_name_enabled)
2056                 bar_update();
2057 }
2058
2059 void
2060 switchws(struct swm_region *r, union arg *args)
2061 {
2062         int                     wsid = args->id, unmap_old = 0;
2063         struct swm_region       *this_r, *other_r;
2064         struct ws_win           *win;
2065         struct workspace        *new_ws, *old_ws;
2066         union arg               a;
2067
2068         if (!(r && r->s))
2069                 return;
2070
2071         this_r = r;
2072         old_ws = this_r->ws;
2073         new_ws = &this_r->s->ws[wsid];
2074
2075         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2076             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2077             old_ws->idx, wsid);
2078
2079         if (new_ws == NULL || old_ws == NULL)
2080                 return;
2081         if (new_ws == old_ws)
2082                 return;
2083
2084         other_r = new_ws->r;
2085         if (other_r == NULL) {
2086                 /* the other workspace is hidden, hide this one */
2087                 old_ws->r = NULL;
2088                 unmap_old = 1;
2089         } else {
2090                 /* the other ws is visible in another region, exchange them */
2091                 other_r->ws_prior = new_ws;
2092                 other_r->ws = old_ws;
2093                 old_ws->r = other_r;
2094         }
2095         this_r->ws_prior = old_ws;
2096         this_r->ws = new_ws;
2097         new_ws->r = this_r;
2098
2099         /* this is needed so that we can click on a window after a restart */
2100         unfocus_all();
2101
2102         stack();
2103         a.id = SWM_ARG_ID_FOCUSCUR;
2104         focus(new_ws->r, &a);
2105
2106         bar_update();
2107
2108         /* unmap old windows */
2109         if (unmap_old)
2110                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2111                         unmap_window(win);
2112
2113         if (focus_mode == SWM_FOCUS_DEFAULT)
2114                 drain_enter_notify();
2115 }
2116
2117 void
2118 cyclews(struct swm_region *r, union arg *args)
2119 {
2120         union                   arg a;
2121         struct swm_screen       *s = r->s;
2122
2123         DNPRINTF(SWM_D_WS, "cyclews id %d "
2124             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2125             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2126
2127         a.id = r->ws->idx;
2128         do {
2129                 switch (args->id) {
2130                 case SWM_ARG_ID_CYCLEWS_UP:
2131                         if (a.id < SWM_WS_MAX - 1)
2132                                 a.id++;
2133                         else
2134                                 a.id = 0;
2135                         break;
2136                 case SWM_ARG_ID_CYCLEWS_DOWN:
2137                         if (a.id > 0)
2138                                 a.id--;
2139                         else
2140                                 a.id = SWM_WS_MAX - 1;
2141                         break;
2142                 default:
2143                         return;
2144                 };
2145
2146                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2147                         continue;
2148                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2149                         continue;
2150
2151                 switchws(r, &a);
2152         } while (a.id != r->ws->idx);
2153 }
2154
2155 void
2156 priorws(struct swm_region *r, union arg *args)
2157 {
2158         union arg               a;
2159
2160         DNPRINTF(SWM_D_WS, "priorws id %d "
2161             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2162             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2163
2164         if (r->ws_prior == NULL)
2165                 return;
2166
2167         a.id = r->ws_prior->idx;
2168         switchws(r, &a);
2169 }
2170
2171 void
2172 cyclescr(struct swm_region *r, union arg *args)
2173 {
2174         struct swm_region       *rr = NULL;
2175         union arg               a;
2176         int                     i, x, y;
2177
2178         /* do nothing if we don't have more than one screen */
2179         if (!(ScreenCount(display) > 1 || outputs > 1))
2180                 return;
2181
2182         i = r->s->idx;
2183         switch (args->id) {
2184         case SWM_ARG_ID_CYCLESC_UP:
2185                 rr = TAILQ_NEXT(r, entry);
2186                 if (rr == NULL)
2187                         rr = TAILQ_FIRST(&screens[i].rl);
2188                 break;
2189         case SWM_ARG_ID_CYCLESC_DOWN:
2190                 rr = TAILQ_PREV(r, swm_region_list, entry);
2191                 if (rr == NULL)
2192                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2193                 break;
2194         default:
2195                 return;
2196         };
2197         if (rr == NULL)
2198                 return;
2199
2200         /* move mouse to region */
2201         x = rr->g.x + 1;
2202         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2203         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2204
2205         a.id = SWM_ARG_ID_FOCUSCUR;
2206         focus(rr, &a);
2207
2208         if (rr->ws->focus) {
2209                 /* move to focus window */
2210                 x = rr->ws->focus->g.x + 1;
2211                 y = rr->ws->focus->g.y + 1;
2212                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2213         }
2214 }
2215
2216 void
2217 sort_windows(struct ws_win_list *wl)
2218 {
2219         struct ws_win           *win, *parent, *nxt;
2220
2221         if (wl == NULL)
2222                 return;
2223
2224         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2225                 nxt = TAILQ_NEXT(win, entry);
2226                 if (win->transient) {
2227                         parent = find_window(win->transient);
2228                         if (parent == NULL) {
2229                                 fprintf(stderr, "not possible bug\n");
2230                                 continue;
2231                         }
2232                         TAILQ_REMOVE(wl, win, entry);
2233                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2234                 }
2235         }
2236
2237 }
2238
2239 void
2240 swapwin(struct swm_region *r, union arg *args)
2241 {
2242         struct ws_win           *target, *source;
2243         struct ws_win           *cur_focus;
2244         struct ws_win_list      *wl;
2245
2246
2247         DNPRINTF(SWM_D_WS, "swapwin id %d "
2248             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2249             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2250
2251         cur_focus = r->ws->focus;
2252         if (cur_focus == NULL)
2253                 return;
2254
2255         source = cur_focus;
2256         wl = &source->ws->winlist;
2257
2258         switch (args->id) {
2259         case SWM_ARG_ID_SWAPPREV:
2260                 if (source->transient)
2261                         source = find_window(source->transient);
2262                 target = TAILQ_PREV(source, ws_win_list, entry);
2263                 if (target && target->transient)
2264                         target = find_window(target->transient);
2265                 TAILQ_REMOVE(wl, source, entry);
2266                 if (target == NULL)
2267                         TAILQ_INSERT_TAIL(wl, source, entry);
2268                 else
2269                         TAILQ_INSERT_BEFORE(target, source, entry);
2270                 break;
2271         case SWM_ARG_ID_SWAPNEXT:
2272                 target = TAILQ_NEXT(source, entry);
2273                 /* move the parent and let the sort handle the move */
2274                 if (source->transient)
2275                         source = find_window(source->transient);
2276                 TAILQ_REMOVE(wl, source, entry);
2277                 if (target == NULL)
2278                         TAILQ_INSERT_HEAD(wl, source, entry);
2279                 else
2280                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2281                 break;
2282         case SWM_ARG_ID_SWAPMAIN:
2283                 target = TAILQ_FIRST(wl);
2284                 if (target == source) {
2285                         if (source->ws->focus_prev != NULL &&
2286                             source->ws->focus_prev != target)
2287
2288                                 source = source->ws->focus_prev;
2289                         else
2290                                 return;
2291                 }
2292                 if (target == NULL || source == NULL)
2293                         return;
2294                 source->ws->focus_prev = target;
2295                 TAILQ_REMOVE(wl, target, entry);
2296                 TAILQ_INSERT_BEFORE(source, target, entry);
2297                 TAILQ_REMOVE(wl, source, entry);
2298                 TAILQ_INSERT_HEAD(wl, source, entry);
2299                 break;
2300         case SWM_ARG_ID_MOVELAST:
2301                 TAILQ_REMOVE(wl, source, entry);
2302                 TAILQ_INSERT_TAIL(wl, source, entry);
2303                 break;
2304         default:
2305                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2306                 return;
2307         }
2308
2309         sort_windows(wl);
2310
2311         stack();
2312 }
2313
2314 void
2315 focus_prev(struct ws_win *win)
2316 {
2317         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2318         struct ws_win           *cur_focus = NULL;
2319         struct ws_win_list      *wl = NULL;
2320         struct workspace        *ws = NULL;
2321
2322         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2323
2324         if (!(win && win->ws))
2325                 return;
2326
2327         ws = win->ws;
2328         wl = &ws->winlist;
2329         cur_focus = ws->focus;
2330         winlostfocus = cur_focus;
2331
2332         /* pickle, just focus on whatever */
2333         if (cur_focus == NULL) {
2334                 /* use prev_focus if valid */
2335                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2336                     find_window(WINID(ws->focus_prev)))
2337                         winfocus = ws->focus_prev;
2338                 if (winfocus == NULL)
2339                         winfocus = TAILQ_FIRST(wl);
2340                 goto done;
2341         }
2342
2343         /* if transient focus on parent */
2344         if (cur_focus->transient) {
2345                 winfocus = find_window(cur_focus->transient);
2346                 goto done;
2347         }
2348
2349         /* if in max_stack try harder */
2350         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2351             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2352                 if (cur_focus != ws->focus_prev)
2353                         winfocus = ws->focus_prev;
2354                 else if (cur_focus != ws->focus)
2355                         winfocus = ws->focus;
2356                 else
2357                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2358                 if (winfocus)
2359                         goto done;
2360         }
2361
2362         if (cur_focus == win)
2363                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2364         if (winfocus == NULL)
2365                 winfocus = TAILQ_LAST(wl, ws_win_list);
2366         if (winfocus == NULL || winfocus == win)
2367                 winfocus = TAILQ_NEXT(cur_focus, entry);
2368 done:
2369         if (winfocus == winlostfocus || winfocus == NULL)
2370                 return;
2371
2372         focus_magic(winfocus);
2373 }
2374
2375 void
2376 focus(struct swm_region *r, union arg *args)
2377 {
2378         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2379         struct ws_win           *cur_focus = NULL;
2380         struct ws_win_list      *wl = NULL;
2381         struct workspace        *ws = NULL;
2382
2383         if (!(r && r->ws))
2384                 return;
2385
2386         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2387
2388         /* treat FOCUS_CUR special */
2389         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2390                 if (r->ws->focus && r->ws->focus->iconic == 0)
2391                         winfocus = r->ws->focus;
2392                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2393                         winfocus = r->ws->focus_prev;
2394                 else
2395                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2396                                 if (winfocus->iconic == 0)
2397                                         break;
2398
2399                 focus_magic(winfocus);
2400                 return;
2401         }
2402
2403         if ((cur_focus = r->ws->focus) == NULL)
2404                 return;
2405         ws = r->ws;
2406         wl = &ws->winlist;
2407
2408         winlostfocus = cur_focus;
2409
2410         switch (args->id) {
2411         case SWM_ARG_ID_FOCUSPREV:
2412                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2413                 if (head == NULL)
2414                         head = TAILQ_LAST(wl, ws_win_list);
2415                 winfocus = head;
2416                 if (WINID(winfocus) == cur_focus->transient) {
2417                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2418                         if (head == NULL)
2419                                 head = TAILQ_LAST(wl, ws_win_list);
2420                         winfocus = head;
2421                 }
2422
2423                 /* skip iconics */
2424                 if (winfocus && winfocus->iconic) {
2425                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2426                                 if (winfocus->iconic == 0)
2427                                         break;
2428                 }
2429                 break;
2430
2431         case SWM_ARG_ID_FOCUSNEXT:
2432                 head = TAILQ_NEXT(cur_focus, entry);
2433                 if (head == NULL)
2434                         head = TAILQ_FIRST(wl);
2435                 winfocus = head;
2436
2437                 /* skip iconics */
2438                 if (winfocus && winfocus->iconic) {
2439                         TAILQ_FOREACH(winfocus, wl, entry)
2440                                 if (winfocus->iconic == 0)
2441                                         break;
2442                 }
2443                 break;
2444
2445         case SWM_ARG_ID_FOCUSMAIN:
2446                 winfocus = TAILQ_FIRST(wl);
2447                 if (winfocus == cur_focus)
2448                         winfocus = cur_focus->ws->focus_prev;
2449                 break;
2450
2451         default:
2452                 return;
2453         }
2454         if (winfocus == winlostfocus || winfocus == NULL)
2455                 return;
2456
2457         focus_magic(winfocus);
2458 }
2459
2460 void
2461 cycle_layout(struct swm_region *r, union arg *args)
2462 {
2463         struct workspace        *ws = r->ws;
2464         struct ws_win           *winfocus;
2465         union arg               a;
2466
2467         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2468
2469         winfocus = ws->focus;
2470
2471         ws->cur_layout++;
2472         if (ws->cur_layout->l_stack == NULL)
2473                 ws->cur_layout = &layouts[0];
2474
2475         stack();
2476         if (focus_mode == SWM_FOCUS_DEFAULT)
2477                 drain_enter_notify();
2478         a.id = SWM_ARG_ID_FOCUSCUR;
2479         focus(r, &a);
2480         bar_update();
2481 }
2482
2483 void
2484 stack_config(struct swm_region *r, union arg *args)
2485 {
2486         struct workspace        *ws = r->ws;
2487
2488         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2489             args->id, ws->idx);
2490
2491         if (ws->cur_layout->l_config != NULL)
2492                 ws->cur_layout->l_config(ws, args->id);
2493
2494         if (args->id != SWM_ARG_ID_STACKINIT)
2495                 stack();
2496         bar_update();
2497 }
2498
2499 void
2500 stack(void) {
2501         struct swm_geometry     g;
2502         struct swm_region       *r;
2503         int                     i, j;
2504
2505         DNPRINTF(SWM_D_STACK, "stack\n");
2506
2507         for (i = 0; i < ScreenCount(display); i++) {
2508                 j = 0;
2509                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2510                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2511                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2512
2513                         /* start with screen geometry, adjust for bar */
2514                         g = r->g;
2515                         g.w -= 2 * border_width;
2516                         g.h -= 2 * border_width;
2517                         if (bar_enabled) {
2518                                 if (!bar_at_bottom)
2519                                         g.y += bar_height;
2520                                 g.h -= bar_height;
2521                         }
2522                         r->ws->cur_layout->l_stack(r->ws, &g);
2523                         r->ws->cur_layout->l_string(r->ws);
2524                         /* save r so we can track region changes */
2525                         r->ws->old_r = r;
2526                 }
2527         }
2528         if (font_adjusted)
2529                 font_adjusted--;
2530
2531         if (focus_mode == SWM_FOCUS_DEFAULT)
2532                 drain_enter_notify();
2533 }
2534
2535 void
2536 store_float_geom(struct ws_win *win, struct swm_region *r)
2537 {
2538         /* retain window geom and region geom */
2539         win->g_float.x = win->g.x;
2540         win->g_float.y = win->g.y;
2541         win->g_float.w = win->g.w;
2542         win->g_float.h = win->g.h;
2543         win->rg_float.x = r->g.x;
2544         win->rg_float.y = r->g.y;
2545         win->rg_float.w = r->g.w;
2546         win->rg_float.h = r->g.h;
2547         win->g_floatvalid = 1;
2548 }
2549
2550 void
2551 stack_floater(struct ws_win *win, struct swm_region *r)
2552 {
2553         unsigned int            mask;
2554         XWindowChanges          wc;
2555
2556         if (win == NULL)
2557                 return;
2558
2559         bzero(&wc, sizeof wc);
2560         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2561
2562         /*
2563          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2564          * geom on ws switches or return from max mode
2565          */
2566
2567         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2568             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2569                 /*
2570                  * use stored g and rg to set relative position and size
2571                  * as in old region or before max stack mode
2572                  */
2573                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2574                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2575                 win->g.w = win->g_float.w;
2576                 win->g.h = win->g_float.h;
2577                 win->g_floatvalid = 0;
2578         }
2579
2580         win->floatmaxed = 0;
2581
2582         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2583             (win->g.h >= HEIGHT(r)))
2584                 wc.border_width = 0;
2585         else
2586                 wc.border_width = border_width;
2587         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2588                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2589                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2590         }
2591
2592         if (!win->manual) {
2593                 /*
2594                  * floaters and transients are auto-centred unless moved
2595                  * or resized
2596                  */
2597                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2598                     2 - wc.border_width;
2599                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2600                     2 - wc.border_width;
2601         }
2602
2603         /* win can be outside r if new r smaller than old r */
2604         /* Ensure top left corner inside r (move probs otherwise) */
2605         if (win->g.x < r->g.x - wc.border_width)
2606                 win->g.x = r->g.x - wc.border_width;
2607         if (win->g.x > r->g.x + r->g.w - 1)
2608                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2609                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2610         if (win->g.y < r->g.y - wc.border_width)
2611                 win->g.y = r->g.y - wc.border_width;
2612         if (win->g.y > r->g.y + r->g.h - 1)
2613                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2614                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2615
2616         wc.x = win->g.x;
2617         wc.y = win->g.y;
2618         wc.width = win->g.w;
2619         wc.height = win->g.h;
2620
2621         /*
2622          * Retain floater and transient geometry for correct positioning
2623          * when ws changes region
2624          */
2625         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2626                 store_float_geom(win, r);
2627
2628         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2629             win->id, wc.x, wc.y, wc.width, wc.height);
2630
2631         XConfigureWindow(display, win->id, mask, &wc);
2632 }
2633
2634 /*
2635  * Send keystrokes to terminal to decrease/increase the font size as the
2636  * window size changes.
2637  */
2638 void
2639 adjust_font(struct ws_win *win)
2640 {
2641         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2642             win->floating || win->transient)
2643                 return;
2644
2645         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2646             win->g.w / win->sh.width_inc < term_width &&
2647             win->font_steps < SWM_MAX_FONT_STEPS) {
2648                 win->font_size_boundary[win->font_steps] =
2649                     (win->sh.width_inc * term_width) + win->sh.base_width;
2650                 win->font_steps++;
2651                 font_adjusted++;
2652                 win->last_inc = win->sh.width_inc;
2653                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2654         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2655             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2656                 win->font_steps--;
2657                 font_adjusted++;
2658                 win->last_inc = win->sh.width_inc;
2659                 fake_keypress(win, XK_KP_Add, ShiftMask);
2660         }
2661 }
2662
2663 #define SWAPXY(g)       do {                            \
2664         int tmp;                                        \
2665         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2666         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2667 } while (0)
2668 void
2669 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2670 {
2671         XWindowChanges          wc;
2672         XWindowAttributes       wa;
2673         struct swm_geometry     win_g, r_g = *g;
2674         struct ws_win           *win, *fs_win = 0;
2675         int                     i, j, s, stacks;
2676         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2677         int                     hrh, extra = 0, h_slice, last_h = 0;
2678         int                     split, colno, winno, mwin, msize, mscale;
2679         int                     remain, missing, v_slice, reconfigure;
2680         unsigned int            mask;
2681
2682         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2683             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2684
2685         winno = count_win(ws, 0);
2686         if (winno == 0 && count_win(ws, 1) == 0)
2687                 return;
2688
2689         TAILQ_FOREACH(win, &ws->winlist, entry)
2690                 if (win->transient == 0 && win->floating == 0
2691                     && win->iconic == 0)
2692                         break;
2693
2694         if (win == NULL)
2695                 goto notiles;
2696
2697         if (rot) {
2698                 w_inc = win->sh.width_inc;
2699                 w_base = win->sh.base_width;
2700                 mwin = ws->l_state.horizontal_mwin;
2701                 mscale = ws->l_state.horizontal_msize;
2702                 stacks = ws->l_state.horizontal_stacks;
2703                 SWAPXY(&r_g);
2704         } else {
2705                 w_inc = win->sh.height_inc;
2706                 w_base = win->sh.base_height;
2707                 mwin = ws->l_state.vertical_mwin;
2708                 mscale = ws->l_state.vertical_msize;
2709                 stacks = ws->l_state.vertical_stacks;
2710         }
2711         win_g = r_g;
2712
2713         if (stacks > winno - mwin)
2714                 stacks = winno - mwin;
2715         if (stacks < 1)
2716                 stacks = 1;
2717
2718         h_slice = r_g.h / SWM_H_SLICE;
2719         if (mwin && winno > mwin) {
2720                 v_slice = r_g.w / SWM_V_SLICE;
2721
2722                 split = mwin;
2723                 colno = split;
2724                 win_g.w = v_slice * mscale;
2725
2726                 if (w_inc > 1 && w_inc < v_slice) {
2727                         /* adjust for window's requested size increment */
2728                         remain = (win_g.w - w_base) % w_inc;
2729                         missing = w_inc - remain;
2730                         win_g.w -= remain;
2731                         extra += remain;
2732                 }
2733
2734                 msize = win_g.w;
2735                 if (flip)
2736                         win_g.x += r_g.w - msize;
2737         } else {
2738                 msize = -2;
2739                 colno = split = winno / stacks;
2740                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2741                     2 * border_width) / stacks);
2742         }
2743         hrh = r_g.h / colno;
2744         extra = r_g.h - (colno * hrh);
2745         win_g.h = hrh - 2 * border_width;
2746
2747         /*  stack all the tiled windows */
2748         i = j = 0, s = stacks;
2749         TAILQ_FOREACH(win, &ws->winlist, entry) {
2750                 if (win->transient != 0 || win->floating != 0)
2751                         continue;
2752                 if (win->iconic != 0)
2753                         continue;
2754
2755                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2756                         fs_win = win;
2757                         continue;
2758                 }
2759
2760                 if (split && i == split) {
2761                         colno = (winno - mwin) / stacks;
2762                         if (s <= (winno - mwin) % stacks)
2763                                 colno++;
2764                         split = split + colno;
2765                         hrh = (r_g.h / colno);
2766                         extra = r_g.h - (colno * hrh);
2767                         if (flip)
2768                                 win_g.x = r_g.x;
2769                         else
2770                                 win_g.x += win_g.w + 2 * border_width;
2771                         win_g.w = (r_g.w - msize -
2772                             (stacks * 2 * border_width)) / stacks;
2773                         if (s == 1)
2774                                 win_g.w += (r_g.w - msize -
2775                                     (stacks * 2 * border_width)) % stacks;
2776                         s--;
2777                         j = 0;
2778                 }
2779                 win_g.h = hrh - 2 * border_width;
2780                 if (rot) {
2781                         h_inc = win->sh.width_inc;
2782                         h_base = win->sh.base_width;
2783                 } else {
2784                         h_inc = win->sh.height_inc;
2785                         h_base = win->sh.base_height;
2786                 }
2787                 if (j == colno - 1) {
2788                         win_g.h = hrh + extra;
2789                 } else if (h_inc > 1 && h_inc < h_slice) {
2790                         /* adjust for window's requested size increment */
2791                         remain = (win_g.h - h_base) % h_inc;
2792                         missing = h_inc - remain;
2793
2794                         if (missing <= extra || j == 0) {
2795                                 extra -= missing;
2796                                 win_g.h += missing;
2797                         } else {
2798                                 win_g.h -= remain;
2799                                 extra += remain;
2800                         }
2801                 }
2802
2803                 if (j == 0)
2804                         win_g.y = r_g.y;
2805                 else
2806                         win_g.y += last_h + 2 * border_width;
2807
2808                 bzero(&wc, sizeof wc);
2809                 if (disable_border && bar_enabled == 0 && winno == 1){
2810                         wc.border_width = 0;
2811                         win_g.w += 2 * border_width;
2812                         win_g.h += 2 * border_width;
2813                 } else
2814                         wc.border_width = border_width;
2815                 reconfigure = 0;
2816                 if (rot) {
2817                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2818                             win->g.w != win_g.h || win->g.h != win_g.w) {
2819                                 reconfigure = 1;
2820                                 win->g.x = wc.x = win_g.y;
2821                                 win->g.y = wc.y = win_g.x;
2822                                 win->g.w = wc.width = win_g.h;
2823                                 win->g.h = wc.height = win_g.w;
2824                         }
2825                 } else {
2826                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2827                             win->g.w != win_g.w || win->g.h != win_g.h) {
2828                                 reconfigure = 1;
2829                                 win->g.x = wc.x = win_g.x;
2830                                 win->g.y = wc.y = win_g.y;
2831                                 win->g.w = wc.width = win_g.w;
2832                                 win->g.h = wc.height = win_g.h;
2833                         }
2834                 }
2835                 if (reconfigure) {
2836                         adjust_font(win);
2837                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2838                         XConfigureWindow(display, win->id, mask, &wc);
2839                 }
2840
2841                 if (XGetWindowAttributes(display, win->id, &wa))
2842                         if (wa.map_state == IsUnmapped)
2843                                 XMapRaised(display, win->id);
2844
2845                 last_h = win_g.h;
2846                 i++;
2847                 j++;
2848         }
2849
2850 notiles:
2851         /* now, stack all the floaters and transients */
2852         TAILQ_FOREACH(win, &ws->winlist, entry) {
2853                 if (win->transient == 0 && win->floating == 0)
2854                         continue;
2855                 if (win->iconic == 1)
2856                         continue;
2857                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2858                         fs_win = win;
2859                         continue;
2860                 }
2861
2862                 stack_floater(win, ws->r);
2863                 XMapRaised(display, win->id);
2864         }
2865
2866         if (fs_win) {
2867                 stack_floater(fs_win, ws->r);
2868                 XMapRaised(display, fs_win->id);
2869         }
2870 }
2871
2872 void
2873 vertical_config(struct workspace *ws, int id)
2874 {
2875         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2876
2877         switch (id) {
2878         case SWM_ARG_ID_STACKRESET:
2879         case SWM_ARG_ID_STACKINIT:
2880                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2881                 ws->l_state.vertical_mwin = 1;
2882                 ws->l_state.vertical_stacks = 1;
2883                 break;
2884         case SWM_ARG_ID_MASTERSHRINK:
2885                 if (ws->l_state.vertical_msize > 1)
2886                         ws->l_state.vertical_msize--;
2887                 break;
2888         case SWM_ARG_ID_MASTERGROW:
2889                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2890                         ws->l_state.vertical_msize++;
2891                 break;
2892         case SWM_ARG_ID_MASTERADD:
2893                 ws->l_state.vertical_mwin++;
2894                 break;
2895         case SWM_ARG_ID_MASTERDEL:
2896                 if (ws->l_state.vertical_mwin > 0)
2897                         ws->l_state.vertical_mwin--;
2898                 break;
2899         case SWM_ARG_ID_STACKINC:
2900                 ws->l_state.vertical_stacks++;
2901                 break;
2902         case SWM_ARG_ID_STACKDEC:
2903                 if (ws->l_state.vertical_stacks > 1)
2904                         ws->l_state.vertical_stacks--;
2905                 break;
2906         default:
2907                 return;
2908         }
2909 }
2910
2911 void
2912 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2913 {
2914         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2915
2916         stack_master(ws, g, 0, 0);
2917 }
2918
2919 void
2920 horizontal_config(struct workspace *ws, int id)
2921 {
2922         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2923
2924         switch (id) {
2925         case SWM_ARG_ID_STACKRESET:
2926         case SWM_ARG_ID_STACKINIT:
2927                 ws->l_state.horizontal_mwin = 1;
2928                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2929                 ws->l_state.horizontal_stacks = 1;
2930                 break;
2931         case SWM_ARG_ID_MASTERSHRINK:
2932                 if (ws->l_state.horizontal_msize > 1)
2933                         ws->l_state.horizontal_msize--;
2934                 break;
2935         case SWM_ARG_ID_MASTERGROW:
2936                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2937                         ws->l_state.horizontal_msize++;
2938                 break;
2939         case SWM_ARG_ID_MASTERADD:
2940                 ws->l_state.horizontal_mwin++;
2941                 break;
2942         case SWM_ARG_ID_MASTERDEL:
2943                 if (ws->l_state.horizontal_mwin > 0)
2944                         ws->l_state.horizontal_mwin--;
2945                 break;
2946         case SWM_ARG_ID_STACKINC:
2947                 ws->l_state.horizontal_stacks++;
2948                 break;
2949         case SWM_ARG_ID_STACKDEC:
2950                 if (ws->l_state.horizontal_stacks > 1)
2951                         ws->l_state.horizontal_stacks--;
2952                 break;
2953         default:
2954                 return;
2955         }
2956 }
2957
2958 void
2959 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2960 {
2961         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2962
2963         stack_master(ws, g, 1, 0);
2964 }
2965
2966 /* fullscreen view */
2967 void
2968 max_stack(struct workspace *ws, struct swm_geometry *g)
2969 {
2970         XWindowChanges          wc;
2971         struct swm_geometry     gg = *g;
2972         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2973         unsigned int            mask;
2974         int                     winno;
2975
2976         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2977
2978         if (ws == NULL)
2979                 return;
2980
2981         winno = count_win(ws, 0);
2982         if (winno == 0 && count_win(ws, 1) == 0)
2983                 return;
2984
2985         TAILQ_FOREACH(win, &ws->winlist, entry) {
2986                 if (win->transient) {
2987                         wintrans = win;
2988                         parent = find_window(win->transient);
2989                         continue;
2990                 }
2991
2992                 if (win->floating && win->floatmaxed == 0 ) {
2993                         /*
2994                          * retain geometry for retrieval on exit from
2995                          * max_stack mode
2996                          */
2997                         store_float_geom(win, ws->r);
2998                         win->floatmaxed = 1;
2999                 }
3000
3001                 /* only reconfigure if necessary */
3002                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
3003                     win->g.h != gg.h) {
3004                         bzero(&wc, sizeof wc);
3005                         win->g.x = wc.x = gg.x;
3006                         win->g.y = wc.y = gg.y;
3007                         if (bar_enabled){
3008                                 wc.border_width = border_width;
3009                                 win->g.w = wc.width = gg.w;
3010                                 win->g.h = wc.height = gg.h;
3011                         } else {
3012                                 wc.border_width = 0;
3013                                 win->g.w = wc.width = gg.w + 2 * border_width;
3014                                 win->g.h = wc.height = gg.h + 2 * border_width;
3015                         }
3016                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3017                         XConfigureWindow(display, win->id, mask, &wc);
3018                 }
3019                 /* unmap only if we don't have multi screen */
3020                 if (win != ws->focus)
3021                         if (!(ScreenCount(display) > 1 || outputs > 1))
3022                                 unmap_window(win);
3023         }
3024
3025         /* put the last transient on top */
3026         if (wintrans) {
3027                 if (parent)
3028                         XMapRaised(display, parent->id);
3029                 stack_floater(wintrans, ws->r);
3030                 focus_magic(wintrans);
3031         }
3032 }
3033
3034 void
3035 send_to_ws(struct swm_region *r, union arg *args)
3036 {
3037         int                     wsid = args->id;
3038         struct ws_win           *win = NULL, *parent;
3039         struct workspace        *ws, *nws;
3040         Atom                    ws_idx_atom = 0;
3041         unsigned char           ws_idx_str[SWM_PROPLEN];
3042         union arg               a;
3043
3044         if (r && r->ws)
3045                 win = r->ws->focus;
3046         else
3047                 return;
3048         if (win == NULL)
3049                 return;
3050         if (win->ws->idx == wsid)
3051                 return;
3052
3053         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3054
3055         ws = win->ws;
3056         nws = &win->s->ws[wsid];
3057
3058         a.id = SWM_ARG_ID_FOCUSPREV;
3059         focus(r, &a);
3060         if (win->transient) {
3061                 parent = find_window(win->transient);
3062                 if (parent) {
3063                         unmap_window(parent);
3064                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3065                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3066                         parent->ws = nws;
3067                 }
3068         }
3069         unmap_window(win);
3070         TAILQ_REMOVE(&ws->winlist, win, entry);
3071         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3072         win->ws = nws;
3073
3074         /* Try to update the window's workspace property */
3075         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3076         if (ws_idx_atom &&
3077             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3078                 SWM_PROPLEN) {
3079                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3080                     ws_idx_str);
3081                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3082                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3083         }
3084
3085         stack();
3086 }
3087
3088 void
3089 pressbutton(struct swm_region *r, union arg *args)
3090 {
3091         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3092         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3093 }
3094
3095 void
3096 raise_toggle(struct swm_region *r, union arg *args)
3097 {
3098         if (r && r->ws == NULL)
3099                 return;
3100
3101         r->ws->always_raise = !r->ws->always_raise;
3102
3103         /* bring floaters back to top */
3104         if (r->ws->always_raise == 0)
3105                 stack();
3106 }
3107
3108 void
3109 iconify(struct swm_region *r, union arg *args)
3110 {
3111         union arg a;
3112
3113         if (r->ws->focus == NULL)
3114                 return;
3115         unmap_window(r->ws->focus);
3116         update_iconic(r->ws->focus, 1);
3117         stack();
3118         if (focus_mode == SWM_FOCUS_DEFAULT)
3119                 drain_enter_notify();
3120         r->ws->focus = NULL;
3121         a.id = SWM_ARG_ID_FOCUSCUR;
3122         focus(r, &a);
3123 }
3124
3125 unsigned char *
3126 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3127     unsigned long *slen)
3128 {
3129         int                     status, retfmt;
3130         unsigned long           nitems, nbytes, nextra;
3131         unsigned char           *prop = NULL;
3132         Atom                    rettype;
3133
3134         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3135             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3136         if (status != Success)
3137                 return (NULL);
3138         XFree(prop);
3139
3140         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3141             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3142         if (status != Success) {
3143                 XFree(prop);
3144                 return (NULL);
3145         }
3146         if (rettype != stype) {
3147                 XFree(prop);
3148                 return (NULL);
3149         }
3150         *slen = nitems;
3151         return (prop);
3152 }
3153
3154 void
3155 uniconify(struct swm_region *r, union arg *args)
3156 {
3157         struct ws_win           *win;
3158         FILE                    *lfile;
3159         unsigned char           *name;
3160         int                     count = 0;
3161         unsigned long           len;
3162
3163         DNPRINTF(SWM_D_MISC, "uniconify\n");
3164
3165         if (r && r->ws == NULL)
3166                 return;
3167
3168         /* make sure we have anything to uniconify */
3169         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3170                 if (win->ws == NULL)
3171                         continue; /* should never happen */
3172                 if (win->iconic == 0)
3173                         continue;
3174                 count++;
3175         }
3176         if (count == 0)
3177                 return;
3178
3179         search_r = r;
3180
3181         spawn_select(r, args, "uniconify", &searchpid);
3182
3183         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3184                 return;
3185
3186         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3187                 if (win->ws == NULL)
3188                         continue; /* should never happen */
3189                 if (win->iconic == 0)
3190                         continue;
3191
3192                 name = get_win_name(display, win->id, a_wmname, a_string,
3193                     &len);
3194                 if (name == NULL)
3195                         continue;
3196                 fprintf(lfile, "%s.%lu\n", name, win->id);
3197                 XFree(name);
3198         }
3199
3200         fclose(lfile);
3201 }
3202
3203 #define MAX_RESP_LEN    1024
3204
3205 void
3206 search_do_resp(void)
3207 {
3208         ssize_t                 rbytes;
3209         struct ws_win           *win;
3210         unsigned char           *name;
3211         char                    *resp, *s;
3212         unsigned long           len;
3213
3214         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3215
3216         search_resp = 0;
3217         searchpid = 0;
3218
3219         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3220                 fprintf(stderr, "search: calloc\n");
3221                 return;
3222         }
3223
3224         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3225         if (rbytes <= 0) {
3226                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3227                 goto done;
3228         }
3229         resp[rbytes] = '\0';
3230         len = strlen(resp);
3231
3232         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3233         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3234                 if (win->iconic == 0)
3235                         continue;
3236                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3237                 if (name == NULL)
3238                         continue;
3239                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3240                         XFree(name);
3241                         continue;
3242                 }
3243                 XFree(name);
3244                 if (strncmp(s, resp, len) == 0) {
3245                         /* XXX this should be a callback to generalize */
3246                         update_iconic(win, 0);
3247                         free(s);
3248                         break;
3249                 }
3250                 free(s);
3251         }
3252 done:
3253         free(resp);
3254 }
3255
3256 void
3257 wkill(struct swm_region *r, union arg *args)
3258 {
3259         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3260
3261         if (r->ws->focus == NULL)
3262                 return;
3263
3264         if (args->id == SWM_ARG_ID_KILLWINDOW)
3265                 XKillClient(display, r->ws->focus->id);
3266         else
3267                 if (r->ws->focus->can_delete)
3268                         client_msg(r->ws->focus, adelete);
3269 }
3270
3271
3272 int
3273 floating_toggle_win(struct ws_win *win)
3274 {
3275         struct swm_region       *r;
3276
3277         if (win == NULL)
3278                 return 0;
3279
3280         if (!win->ws->r)
3281                 return 0;
3282
3283         r = win->ws->r;
3284
3285         /* reject floating toggles in max stack mode */
3286         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3287                 return 0;
3288
3289         if (win->floating) {
3290                 if (!win->floatmaxed) {
3291                         /* retain position for refloat */
3292                         store_float_geom(win, r);
3293                 }
3294                 win->floating = 0;
3295         } else {
3296                 if (win->g_floatvalid) {
3297                         /* refloat at last floating relative position */
3298                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3299                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3300                         win->g.w = win->g_float.w;
3301                         win->g.h = win->g_float.h;
3302                 }
3303                 win->floating = 1;
3304         }
3305
3306         ewmh_update_actions(win);
3307
3308         return 1;
3309 }
3310
3311 void
3312 floating_toggle(struct swm_region *r, union arg *args)
3313 {
3314         struct ws_win           *win = r->ws->focus;
3315         union arg               a;
3316
3317         if (win == NULL)
3318                 return;
3319
3320         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3321             _NET_WM_STATE_TOGGLE);
3322
3323         stack();
3324         if (focus_mode == SWM_FOCUS_DEFAULT)
3325                 drain_enter_notify();
3326
3327         if (win == win->ws->focus) {
3328                 a.id = SWM_ARG_ID_FOCUSCUR;
3329                 focus(win->ws->r, &a);
3330         }
3331 }
3332
3333 void
3334 resize_window(struct ws_win *win, int center)
3335 {
3336         unsigned int            mask;
3337         XWindowChanges          wc;
3338         struct swm_region       *r;
3339
3340         r = root_to_region(win->wa.root);
3341         bzero(&wc, sizeof wc);
3342         mask = CWBorderWidth | CWWidth | CWHeight;
3343         wc.border_width = border_width;
3344         wc.width = win->g.w;
3345         wc.height = win->g.h;
3346         if (center == SWM_ARG_ID_CENTER) {
3347                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3348                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3349                 mask |= CWX | CWY;
3350         }
3351
3352         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3353             win->id, wc.x, wc.y, wc.width, wc.height);
3354
3355         XConfigureWindow(display, win->id, mask, &wc);
3356 }
3357
3358 #define SWM_RESIZE_STEPS        (50)
3359
3360 void
3361 resize(struct ws_win *win, union arg *args)
3362 {
3363         XEvent                  ev;
3364         Time                    time = 0;
3365         struct swm_region       *r = NULL;
3366         int                     relx, rely;
3367         int                     resize_step = 0;
3368
3369         if (win == NULL)
3370                 return;
3371         r = win->ws->r;
3372
3373         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3374             win->id, win->floating, win->transient);
3375
3376         if (!(win->transient != 0 || win->floating != 0))
3377                 return;
3378
3379         /* reject resizes in max mode for floaters (transient ok) */
3380         if (win->floatmaxed)
3381                 return;
3382
3383         win->manual = 1;
3384         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3385             _NET_WM_STATE_ADD);
3386
3387         stack();
3388
3389         switch (args->id) {
3390         case SWM_ARG_ID_WIDTHSHRINK:
3391                 win->g.w -= SWM_RESIZE_STEPS;
3392                 resize_step = 1;
3393                 break;
3394         case SWM_ARG_ID_WIDTHGROW:
3395                 win->g.w += SWM_RESIZE_STEPS;
3396                 resize_step = 1;
3397                 break;
3398         case SWM_ARG_ID_HEIGHTSHRINK:
3399                 win->g.h -= SWM_RESIZE_STEPS;
3400                 resize_step = 1;
3401                 break;
3402         case SWM_ARG_ID_HEIGHTGROW:
3403                 win->g.h += SWM_RESIZE_STEPS;
3404                 resize_step = 1;
3405                 break;
3406         default:
3407                 break;
3408         }
3409         if (resize_step) {
3410                 resize_window(win, 0);
3411                 store_float_geom(win,r);
3412                 return;
3413         }
3414
3415         if (focus_mode == SWM_FOCUS_DEFAULT)
3416                 drain_enter_notify();
3417
3418         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3419             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3420                 return;
3421
3422         /* place pointer at bottom left corner or nearest point inside r */
3423         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3424                 relx = win->g.w - 1;
3425         else
3426                 relx = r->g.x + r->g.w - win->g.x - 1;
3427
3428         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3429                 rely = win->g.h - 1;
3430         else
3431                 rely = r->g.y + r->g.h - win->g.y - 1;
3432
3433         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3434         do {
3435                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3436                     SubstructureRedirectMask, &ev);
3437                 switch (ev.type) {
3438                 case ConfigureRequest:
3439                 case Expose:
3440                 case MapRequest:
3441                         handler[ev.type](&ev);
3442                         break;
3443                 case MotionNotify:
3444                         /* do not allow resize outside of region */
3445                         if (    ev.xmotion.x_root < r->g.x ||
3446                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3447                                 ev.xmotion.y_root < r->g.y ||
3448                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3449                                 continue;
3450
3451                         if (ev.xmotion.x <= 1)
3452                                 ev.xmotion.x = 1;
3453                         if (ev.xmotion.y <= 1)
3454                                 ev.xmotion.y = 1;
3455                         win->g.w = ev.xmotion.x + 1;
3456                         win->g.h = ev.xmotion.y + 1;
3457
3458                         /* not free, don't sync more than 120 times / second */
3459                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3460                                 time = ev.xmotion.time;
3461                                 XSync(display, False);
3462                                 resize_window(win, args->id);
3463                         }
3464                         break;
3465                 }
3466         } while (ev.type != ButtonRelease);
3467         if (time) {
3468                 XSync(display, False);
3469                 resize_window(win, args->id);
3470         }
3471         store_float_geom(win,r);
3472
3473         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3474             win->g.h - 1);
3475         XUngrabPointer(display, CurrentTime);
3476
3477         /* drain events */
3478         drain_enter_notify();
3479 }
3480
3481 void
3482 resize_step(struct swm_region *r, union arg *args)
3483 {
3484         struct ws_win           *win = NULL;
3485
3486         if (r && r->ws && r->ws->focus)
3487                 win = r->ws->focus;
3488         else
3489                 return;
3490
3491         resize(win, args);
3492 }
3493
3494
3495 void
3496 move_window(struct ws_win *win)
3497 {
3498         unsigned int            mask;
3499         XWindowChanges          wc;
3500         struct swm_region       *r;
3501
3502         r = root_to_region(win->wa.root);
3503         bzero(&wc, sizeof wc);
3504         mask = CWX | CWY;
3505         wc.x = win->g.x;
3506         wc.y = win->g.y;
3507         wc.border_width = border_width;
3508
3509         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3510             win->id, wc.x, wc.y, wc.width, wc.height);
3511
3512         XConfigureWindow(display, win->id, mask, &wc);
3513 }
3514
3515 #define SWM_MOVE_STEPS  (50)
3516
3517 void
3518 move(struct ws_win *win, union arg *args)
3519 {
3520         XEvent                  ev;
3521         Time                    time = 0;
3522         int                     move_step = 0;
3523         struct swm_region       *r = NULL;
3524
3525         if (win == NULL)
3526                 return;
3527         r = win->ws->r;
3528
3529         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3530             win->id, win->floating, win->transient);
3531
3532         /* in max_stack mode should only move transients */
3533         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3534                 return;
3535
3536         win->manual = 1;
3537         if (win->floating == 0 && !win->transient) {
3538                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3539                     _NET_WM_STATE_ADD);
3540         }
3541         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3542             _NET_WM_STATE_ADD);
3543
3544         stack();
3545
3546         move_step = 0;
3547         switch (args->id) {
3548         case SWM_ARG_ID_MOVELEFT:
3549                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3550                 move_step = 1;
3551                 break;
3552         case SWM_ARG_ID_MOVERIGHT:
3553                 win->g.x += (SWM_MOVE_STEPS - border_width);
3554                 move_step = 1;
3555                 break;
3556         case SWM_ARG_ID_MOVEUP:
3557                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3558                 move_step = 1;
3559                 break;
3560         case SWM_ARG_ID_MOVEDOWN:
3561                 win->g.y += (SWM_MOVE_STEPS - border_width);
3562                 move_step = 1;
3563                 break;
3564         default:
3565                 break;
3566         }
3567         if (move_step) {
3568                 move_window(win);
3569                 store_float_geom(win,r);
3570                 return;
3571         }
3572
3573
3574         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3575             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3576                 return;
3577         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3578         do {
3579                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3580                     SubstructureRedirectMask, &ev);
3581                 switch (ev.type) {
3582                 case ConfigureRequest:
3583                 case Expose:
3584                 case MapRequest:
3585                         handler[ev.type](&ev);
3586                         break;
3587                 case MotionNotify:
3588                         /* don't allow to move window origin out of region */
3589                         if (    ev.xmotion.x_root < r->g.x ||
3590                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3591                                 ev.xmotion.y_root < r->g.y ||
3592                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3593                                 continue;
3594
3595                         win->g.x = ev.xmotion.x_root - border_width;
3596                         win->g.y = ev.xmotion.y_root - border_width;
3597
3598                         /* not free, don't sync more than 120 times / second */
3599                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3600                                 time = ev.xmotion.time;
3601                                 XSync(display, False);
3602                                 move_window(win);
3603                         }
3604                         break;
3605                 }
3606         } while (ev.type != ButtonRelease);
3607         if (time) {
3608                 XSync(display, False);
3609                 move_window(win);
3610         }
3611         store_float_geom(win,r);
3612         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3613         XUngrabPointer(display, CurrentTime);
3614
3615         /* drain events */
3616         drain_enter_notify();
3617 }
3618
3619 void
3620 move_step(struct swm_region *r, union arg *args)
3621 {
3622         struct ws_win           *win = NULL;
3623
3624         if (r && r->ws && r->ws->focus)
3625                 win = r->ws->focus;
3626         else
3627                 return;
3628
3629         if (!(win->transient != 0 || win->floating != 0))
3630                 return;
3631
3632         move(win, args);
3633 }
3634
3635
3636 /* user/key callable function IDs */
3637 enum keyfuncid {
3638         kf_cycle_layout,
3639         kf_stack_reset,
3640         kf_master_shrink,
3641         kf_master_grow,
3642         kf_master_add,
3643         kf_master_del,
3644         kf_stack_inc,
3645         kf_stack_dec,
3646         kf_swap_main,
3647         kf_focus_next,
3648         kf_focus_prev,
3649         kf_swap_next,
3650         kf_swap_prev,
3651         kf_spawn_term,
3652         kf_spawn_menu,
3653         kf_quit,
3654         kf_restart,
3655         kf_focus_main,
3656         kf_ws_1,
3657         kf_ws_2,
3658         kf_ws_3,
3659         kf_ws_4,
3660         kf_ws_5,
3661         kf_ws_6,
3662         kf_ws_7,
3663         kf_ws_8,
3664         kf_ws_9,
3665         kf_ws_10,
3666         kf_ws_next,
3667         kf_ws_prev,
3668         kf_ws_prior,
3669         kf_screen_next,
3670         kf_screen_prev,
3671         kf_mvws_1,
3672         kf_mvws_2,
3673         kf_mvws_3,
3674         kf_mvws_4,
3675         kf_mvws_5,
3676         kf_mvws_6,
3677         kf_mvws_7,
3678         kf_mvws_8,
3679         kf_mvws_9,
3680         kf_mvws_10,
3681         kf_bar_toggle,
3682         kf_wind_kill,
3683         kf_wind_del,
3684         kf_screenshot_all,
3685         kf_screenshot_wind,
3686         kf_float_toggle,
3687         kf_version,
3688         kf_spawn_lock,
3689         kf_spawn_initscr,
3690         kf_spawn_custom,
3691         kf_iconify,
3692         kf_uniconify,
3693         kf_raise_toggle,
3694         kf_button2,
3695         kf_width_shrink,
3696         kf_width_grow,
3697         kf_height_shrink,
3698         kf_height_grow,
3699         kf_move_left,
3700         kf_move_right,
3701         kf_move_up,
3702         kf_move_down,
3703         kf_dumpwins, /* MUST BE LAST */
3704         kf_invalid
3705 };
3706
3707 /* key definitions */
3708 void
3709 dummykeyfunc(struct swm_region *r, union arg *args)
3710 {
3711 };
3712
3713 void
3714 legacyfunc(struct swm_region *r, union arg *args)
3715 {
3716 };
3717
3718 struct keyfunc {
3719         char                    name[SWM_FUNCNAME_LEN];
3720         void                    (*func)(struct swm_region *r, union arg *);
3721         union arg               args;
3722 } keyfuncs[kf_invalid + 1] = {
3723         /* name                 function        argument */
3724         { "cycle_layout",       cycle_layout,   {0} },
3725         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3726         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3727         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3728         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3729         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3730         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3731         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3732         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3733         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3734         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3735         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3736         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3737         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3738         { "spawn_menu",         legacyfunc,     {0} },
3739         { "quit",               quit,           {0} },
3740         { "restart",            restart,        {0} },
3741         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3742         { "ws_1",               switchws,       {.id = 0} },
3743         { "ws_2",               switchws,       {.id = 1} },
3744         { "ws_3",               switchws,       {.id = 2} },
3745         { "ws_4",               switchws,       {.id = 3} },
3746         { "ws_5",               switchws,       {.id = 4} },
3747         { "ws_6",               switchws,       {.id = 5} },
3748         { "ws_7",               switchws,       {.id = 6} },
3749         { "ws_8",               switchws,       {.id = 7} },
3750         { "ws_9",               switchws,       {.id = 8} },
3751         { "ws_10",              switchws,       {.id = 9} },
3752         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3753         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3754         { "ws_prior",           priorws,        {0} },
3755         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3756         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3757         { "mvws_1",             send_to_ws,     {.id = 0} },
3758         { "mvws_2",             send_to_ws,     {.id = 1} },
3759         { "mvws_3",             send_to_ws,     {.id = 2} },
3760         { "mvws_4",             send_to_ws,     {.id = 3} },
3761         { "mvws_5",             send_to_ws,     {.id = 4} },
3762         { "mvws_6",             send_to_ws,     {.id = 5} },
3763         { "mvws_7",             send_to_ws,     {.id = 6} },
3764         { "mvws_8",             send_to_ws,     {.id = 7} },
3765         { "mvws_9",             send_to_ws,     {.id = 8} },
3766         { "mvws_10",            send_to_ws,     {.id = 9} },
3767         { "bar_toggle",         bar_toggle,     {0} },
3768         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3769         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3770         { "screenshot_all",     legacyfunc,     {0} },
3771         { "screenshot_wind",    legacyfunc,     {0} },
3772         { "float_toggle",       floating_toggle,{0} },
3773         { "version",            version,        {0} },
3774         { "spawn_lock",         legacyfunc,     {0} },
3775         { "spawn_initscr",      legacyfunc,     {0} },
3776         { "spawn_custom",       dummykeyfunc,   {0} },
3777         { "iconify",            iconify,        {0} },
3778         { "uniconify",          uniconify,      {0} },
3779         { "raise_toggle",       raise_toggle,   {0} },
3780         { "button2",            pressbutton,    {2} },
3781         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
3782         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
3783         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
3784         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
3785         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
3786         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
3787         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
3788         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
3789         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3790         { "invalid key func",   NULL,           {0} },
3791 };
3792 struct key {
3793         unsigned int            mod;
3794         KeySym                  keysym;
3795         enum keyfuncid          funcid;
3796         char                    *spawn_name;
3797 };
3798 int                             keys_size = 0, keys_length = 0;
3799 struct key                      *keys = NULL;
3800
3801 /* mouse */
3802 enum { client_click, root_click };
3803 struct button {
3804         unsigned int            action;
3805         unsigned int            mask;
3806         unsigned int            button;
3807         void                    (*func)(struct ws_win *, union arg *);
3808         union arg               args;
3809 } buttons[] = {
3810           /* action     key             mouse button    func    args */
3811         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3812         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3813         { client_click, MODKEY,         Button1,        move,   {0} },
3814 };
3815
3816 void
3817 update_modkey(unsigned int mod)
3818 {
3819         int                     i;
3820
3821         mod_key = mod;
3822         for (i = 0; i < keys_length; i++)
3823                 if (keys[i].mod & ShiftMask)
3824                         keys[i].mod = mod | ShiftMask;
3825                 else
3826                         keys[i].mod = mod;
3827
3828         for (i = 0; i < LENGTH(buttons); i++)
3829                 if (buttons[i].mask & ShiftMask)
3830                         buttons[i].mask = mod | ShiftMask;
3831                 else
3832                         buttons[i].mask = mod;
3833 }
3834
3835 /* spawn */
3836 struct spawn_prog {
3837         char                    *name;
3838         int                     argc;
3839         char                    **argv;
3840 };
3841
3842 int                             spawns_size = 0, spawns_length = 0;
3843 struct spawn_prog               *spawns = NULL;
3844
3845 int
3846 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3847     char ***ret_args)
3848 {
3849         struct spawn_prog       *prog = NULL;
3850         int                     i;
3851         char                    *ap, **real_args;
3852
3853         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3854
3855         /* find program */
3856         for (i = 0; i < spawns_length; i++) {
3857                 if (!strcasecmp(spawn_name, spawns[i].name))
3858                         prog = &spawns[i];
3859         }
3860         if (prog == NULL) {
3861                 fprintf(stderr, "spawn_custom: program %s not found\n",
3862                     spawn_name);
3863                 return (-1);
3864         }
3865
3866         /* make room for expanded args */
3867         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3868                 err(1, "spawn_custom: calloc real_args");
3869
3870         /* expand spawn_args into real_args */
3871         for (i = 0; i < prog->argc; i++) {
3872                 ap = prog->argv[i];
3873                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3874                 if (!strcasecmp(ap, "$bar_border")) {
3875                         if ((real_args[i] =
3876                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3877                             == NULL)
3878                                 err(1,  "spawn_custom border color");
3879                 } else if (!strcasecmp(ap, "$bar_color")) {
3880                         if ((real_args[i] =
3881                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3882                             == NULL)
3883                                 err(1, "spawn_custom bar color");
3884                 } else if (!strcasecmp(ap, "$bar_font")) {
3885                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3886                             == NULL)
3887                                 err(1, "spawn_custom bar fonts");
3888                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3889                         if ((real_args[i] =
3890                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3891                             == NULL)
3892                                 err(1, "spawn_custom color font");
3893                 } else if (!strcasecmp(ap, "$color_focus")) {
3894                         if ((real_args[i] =
3895                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3896                             == NULL)
3897                                 err(1, "spawn_custom color focus");
3898                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3899                         if ((real_args[i] =
3900                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3901                             == NULL)
3902                                 err(1, "spawn_custom color unfocus");
3903                 } else {
3904                         /* no match --> copy as is */
3905                         if ((real_args[i] = strdup(ap)) == NULL)
3906                                 err(1, "spawn_custom strdup(ap)");
3907                 }
3908                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3909                     real_args[i]);
3910         }
3911
3912 #ifdef SWM_DEBUG
3913         if ((swm_debug & SWM_D_SPAWN) != 0) {
3914                 fprintf(stderr, "spawn_custom: result = ");
3915                 for (i = 0; i < prog->argc; i++)
3916                         fprintf(stderr, "\"%s\" ", real_args[i]);
3917                 fprintf(stderr, "\n");
3918         }
3919 #endif
3920         *ret_args = real_args;
3921         return (prog->argc);
3922 }
3923
3924 void
3925 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3926 {
3927         union arg               a;
3928         char                    **real_args;
3929         int                     spawn_argc, i;
3930
3931         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3932                 return;
3933         a.argv = real_args;
3934         if (fork() == 0)
3935                 spawn(r->ws->idx, &a, 1);
3936
3937         for (i = 0; i < spawn_argc; i++)
3938                 free(real_args[i]);
3939         free(real_args);
3940 }
3941
3942 void
3943 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3944 {
3945         union arg               a;
3946         char                    **real_args;
3947         int                     i, spawn_argc;
3948
3949         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3950                 return;
3951         a.argv = real_args;
3952
3953         if (pipe(select_list_pipe) == -1)
3954                 err(1, "pipe error");
3955         if (pipe(select_resp_pipe) == -1)
3956                 err(1, "pipe error");
3957
3958         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3959                 err(1, "could not disable SIGPIPE");
3960         switch (*pid = fork()) {
3961         case -1:
3962                 err(1, "cannot fork");
3963                 break;
3964         case 0: /* child */
3965                 if (dup2(select_list_pipe[0], 0) == -1)
3966                         errx(1, "dup2");
3967                 if (dup2(select_resp_pipe[1], 1) == -1)
3968                         errx(1, "dup2");
3969                 close(select_list_pipe[1]);
3970                 close(select_resp_pipe[0]);
3971                 spawn(r->ws->idx, &a, 0);
3972                 break;
3973         default: /* parent */
3974                 close(select_list_pipe[0]);
3975                 close(select_resp_pipe[1]);
3976                 break;
3977         }
3978
3979         for (i = 0; i < spawn_argc; i++)
3980                 free(real_args[i]);
3981         free(real_args);
3982 }
3983
3984 void
3985 setspawn(struct spawn_prog *prog)
3986 {
3987         int                     i, j;
3988
3989         if (prog == NULL || prog->name == NULL)
3990                 return;
3991
3992         /* find existing */
3993         for (i = 0; i < spawns_length; i++) {
3994                 if (!strcmp(spawns[i].name, prog->name)) {
3995                         /* found */
3996                         if (prog->argv == NULL) {
3997                                 /* delete */
3998                                 DNPRINTF(SWM_D_SPAWN,
3999                                     "setspawn: delete #%d %s\n",
4000                                     i, spawns[i].name);
4001                                 free(spawns[i].name);
4002                                 for (j = 0; j < spawns[i].argc; j++)
4003                                         free(spawns[i].argv[j]);
4004                                 free(spawns[i].argv);
4005                                 j = spawns_length - 1;
4006                                 if (i < j)
4007                                         spawns[i] = spawns[j];
4008                                 spawns_length--;
4009                                 free(prog->name);
4010                         } else {
4011                                 /* replace */
4012                                 DNPRINTF(SWM_D_SPAWN,
4013                                     "setspawn: replace #%d %s\n",
4014                                     i, spawns[i].name);
4015                                 free(spawns[i].name);
4016                                 for (j = 0; j < spawns[i].argc; j++)
4017                                         free(spawns[i].argv[j]);
4018                                 free(spawns[i].argv);
4019                                 spawns[i] = *prog;
4020                         }
4021                         /* found case handled */
4022                         free(prog);
4023                         return;
4024                 }
4025         }
4026
4027         if (prog->argv == NULL) {
4028                 fprintf(stderr,
4029                     "error: setspawn: cannot find program %s", prog->name);
4030                 free(prog);
4031                 return;
4032         }
4033
4034         /* not found: add */
4035         if (spawns_size == 0 || spawns == NULL) {
4036                 spawns_size = 4;
4037                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4038                 spawns = malloc((size_t)spawns_size *
4039                     sizeof(struct spawn_prog));
4040                 if (spawns == NULL) {
4041                         fprintf(stderr, "setspawn: malloc failed\n");
4042                         perror(" failed");
4043                         quit(NULL, NULL);
4044                 }
4045         } else if (spawns_length == spawns_size) {
4046                 spawns_size *= 2;
4047                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4048                 spawns = realloc(spawns, (size_t)spawns_size *
4049                     sizeof(struct spawn_prog));
4050                 if (spawns == NULL) {
4051                         fprintf(stderr, "setspawn: realloc failed\n");
4052                         perror(" failed");
4053                         quit(NULL, NULL);
4054                 }
4055         }
4056
4057         if (spawns_length < spawns_size) {
4058                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4059                     spawns_length, prog->name);
4060                 i = spawns_length++;
4061                 spawns[i] = *prog;
4062         } else {
4063                 fprintf(stderr, "spawns array problem?\n");
4064                 if (spawns == NULL) {
4065                         fprintf(stderr, "spawns array is NULL!\n");
4066                         quit(NULL, NULL);
4067                 }
4068         }
4069         free(prog);
4070 }
4071
4072 int
4073 setconfspawn(char *selector, char *value, int flags)
4074 {
4075         struct spawn_prog       *prog;
4076         char                    *vp, *cp, *word;
4077
4078         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4079         if ((prog = calloc(1, sizeof *prog)) == NULL)
4080                 err(1, "setconfspawn: calloc prog");
4081         prog->name = strdup(selector);
4082         if (prog->name == NULL)
4083                 err(1, "setconfspawn prog->name");
4084         if ((cp = vp = strdup(value)) == NULL)
4085                 err(1, "setconfspawn: strdup(value) ");
4086         while ((word = strsep(&cp, " \t")) != NULL) {
4087                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4088                 if (cp)
4089                         cp += (long)strspn(cp, " \t");
4090                 if (strlen(word) > 0) {
4091                         prog->argc++;
4092                         if ((prog->argv = realloc(prog->argv,
4093                             prog->argc * sizeof(char *))) == NULL)
4094                                 err(1, "setconfspawn: realloc");
4095                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4096                                 err(1, "setconfspawn: strdup");
4097                 }
4098         }
4099         free(vp);
4100
4101         setspawn(prog);
4102
4103         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4104         return (0);
4105 }
4106
4107 void
4108 setup_spawn(void)
4109 {
4110         setconfspawn("term",            "xterm",                0);
4111         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4112         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4113         setconfspawn("lock",            "xlock",                0);
4114         setconfspawn("initscr",         "initscreen.sh",        0);
4115         setconfspawn("menu",            "dmenu_run"
4116                                         " -fn $bar_font"
4117                                         " -nb $bar_color"
4118                                         " -nf $bar_font_color"
4119                                         " -sb $bar_border"
4120                                         " -sf $bar_color",      0);
4121         setconfspawn("uniconify",       "dmenu"
4122                                         " -i"
4123                                         " -fn $bar_font"
4124                                         " -nb $bar_color"
4125                                         " -nf $bar_font_color"
4126                                         " -sb $bar_border"
4127                                         " -sf $bar_color",      0);
4128 }
4129
4130 /* key bindings */
4131 #define SWM_MODNAME_SIZE        32
4132 #define SWM_KEY_WS              "\n+ \t"
4133 int
4134 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4135 {
4136         char                    *cp, *name;
4137         KeySym                  uks;
4138         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4139         if (mod == NULL || ks == NULL) {
4140                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4141                 return (1);
4142         }
4143         if (keystr == NULL || strlen(keystr) == 0) {
4144                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4145                 return (1);
4146         }
4147         cp = keystr;
4148         *ks = NoSymbol;
4149         *mod = 0;
4150         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4151                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4152                 if (cp)
4153                         cp += (long)strspn(cp, SWM_KEY_WS);
4154                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4155                         *mod |= currmod;
4156                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4157                         *mod |= Mod1Mask;
4158                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4159                         *mod += Mod2Mask;
4160                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4161                         *mod |= Mod3Mask;
4162                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4163                         *mod |= Mod4Mask;
4164                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4165                         *mod |= ShiftMask;
4166                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4167                         *mod |= ControlMask;
4168                 else {
4169                         *ks = XStringToKeysym(name);
4170                         XConvertCase(*ks, ks, &uks);
4171                         if (ks == NoSymbol) {
4172                                 DNPRINTF(SWM_D_KEY,
4173                                     "parsekeys: invalid key %s\n",
4174                                     name);
4175                                 return (1);
4176                         }
4177                 }
4178         }
4179         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4180         return (0);
4181 }
4182
4183 char *
4184 strdupsafe(char *str)
4185 {
4186         if (str == NULL)
4187                 return (NULL);
4188         else
4189                 return (strdup(str));
4190 }
4191
4192 void
4193 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4194     char *spawn_name)
4195 {
4196         int                     i, j;
4197         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4198             keyfuncs[kfid].name, spawn_name);
4199         /* find existing */
4200         for (i = 0; i < keys_length; i++) {
4201                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4202                         if (kfid == kf_invalid) {
4203                                 /* found: delete */
4204                                 DNPRINTF(SWM_D_KEY,
4205                                     "setkeybinding: delete #%d %s\n",
4206                                     i, keyfuncs[keys[i].funcid].name);
4207                                 free(keys[i].spawn_name);
4208                                 j = keys_length - 1;
4209                                 if (i < j)
4210                                         keys[i] = keys[j];
4211                                 keys_length--;
4212                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4213                                 return;
4214                         } else {
4215                                 /* found: replace */
4216                                 DNPRINTF(SWM_D_KEY,
4217                                     "setkeybinding: replace #%d %s %s\n",
4218                                     i, keyfuncs[keys[i].funcid].name,
4219                                     spawn_name);
4220                                 free(keys[i].spawn_name);
4221                                 keys[i].mod = mod;
4222                                 keys[i].keysym = ks;
4223                                 keys[i].funcid = kfid;
4224                                 keys[i].spawn_name = strdupsafe(spawn_name);
4225                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4226                                 return;
4227                         }
4228                 }
4229         }
4230         if (kfid == kf_invalid) {
4231                 fprintf(stderr,
4232                     "error: setkeybinding: cannot find mod/key combination");
4233                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4234                 return;
4235         }
4236         /* not found: add */
4237         if (keys_size == 0 || keys == NULL) {
4238                 keys_size = 4;
4239                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4240                 keys = malloc((size_t)keys_size * sizeof(struct key));
4241                 if (keys == NULL) {
4242                         fprintf(stderr, "malloc failed\n");
4243                         perror(" failed");
4244                         quit(NULL, NULL);
4245                 }
4246         } else if (keys_length == keys_size) {
4247                 keys_size *= 2;
4248                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4249                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4250                 if (keys == NULL) {
4251                         fprintf(stderr, "realloc failed\n");
4252                         perror(" failed");
4253                         quit(NULL, NULL);
4254                 }
4255         }
4256         if (keys_length < keys_size) {
4257                 j = keys_length++;
4258                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4259                     j, keyfuncs[kfid].name, spawn_name);
4260                 keys[j].mod = mod;
4261                 keys[j].keysym = ks;
4262                 keys[j].funcid = kfid;
4263                 keys[j].spawn_name = strdupsafe(spawn_name);
4264         } else {
4265                 fprintf(stderr, "keys array problem?\n");
4266                 if (keys == NULL) {
4267                         fprintf(stderr, "keys array problem\n");
4268                         quit(NULL, NULL);
4269                 }
4270         }
4271         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4272 }
4273
4274 int
4275 setconfbinding(char *selector, char *value, int flags)
4276 {
4277         enum keyfuncid          kfid;
4278         unsigned int            mod;
4279         KeySym                  ks;
4280         int                     i;
4281         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4282         if (selector == NULL) {
4283                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4284                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4285                         kfid = kf_invalid;
4286                         setkeybinding(mod, ks, kfid, NULL);
4287                         return (0);
4288                 } else
4289                         return (1);
4290         }
4291         /* search by key function name */
4292         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4293                 if (strncasecmp(selector, keyfuncs[kfid].name,
4294                     SWM_FUNCNAME_LEN) == 0) {
4295                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4296                             selector);
4297                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4298                                 setkeybinding(mod, ks, kfid, NULL);
4299                                 return (0);
4300                         } else
4301                                 return (1);
4302                 }
4303         }
4304         /* search by custom spawn name */
4305         for (i = 0; i < spawns_length; i++) {
4306                 if (strcasecmp(selector, spawns[i].name) == 0) {
4307                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4308                             selector);
4309                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4310                                 setkeybinding(mod, ks, kf_spawn_custom,
4311                                     spawns[i].name);
4312                                 return (0);
4313                         } else
4314                                 return (1);
4315                 }
4316         }
4317         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4318         return (1);
4319 }
4320
4321 void
4322 setup_keys(void)
4323 {
4324         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4325         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4326         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4327         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4328         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4329         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4330         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4331         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4332         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4333         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4334         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4335         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4336         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4337         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4338         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4339         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4340         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4341         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4342         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4343         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4344         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4345         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4346         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4347         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4348         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4349         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4350         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4351         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4352         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4353         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4354         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4355         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4356         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4357         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4358         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4359         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4360         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4361         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4362         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4363         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4364         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4365         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4366         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4367         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4368         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4369         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4370         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4371         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4372         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4373         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4374         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4375         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4376         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4377         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4378         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4379         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4380         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4381         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4382         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4383         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4384         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4385         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4386         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4387         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4388         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4389         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4390 #ifdef SWM_DEBUG
4391         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4392 #endif
4393 }
4394
4395 void
4396 clear_keys(void)
4397 {
4398         int                     i;
4399
4400         /* clear all key bindings, if any */
4401         for (i = 0; i < keys_length; i++)
4402                 free(keys[i].spawn_name);
4403         keys_length = 0;
4404 }
4405
4406 int
4407 setkeymapping(char *selector, char *value, int flags)
4408 {
4409         char                    keymapping_file[PATH_MAX];
4410         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4411         if (value[0] == '~')
4412                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4413                     pwd->pw_dir, &value[1]);
4414         else
4415                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4416         clear_keys();
4417         /* load new key bindings; if it fails, revert to default bindings */
4418         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4419                 clear_keys();
4420                 setup_keys();
4421         }
4422         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4423         return (0);
4424 }
4425
4426 void
4427 updatenumlockmask(void)
4428 {
4429         unsigned int            i, j;
4430         XModifierKeymap         *modmap;
4431
4432         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4433         numlockmask = 0;
4434         modmap = XGetModifierMapping(display);
4435         for (i = 0; i < 8; i++)
4436                 for (j = 0; j < modmap->max_keypermod; j++)
4437                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4438                             == XKeysymToKeycode(display, XK_Num_Lock))
4439                                 numlockmask = (1 << i);
4440
4441         XFreeModifiermap(modmap);
4442 }
4443
4444 void
4445 grabkeys(void)
4446 {
4447         unsigned int            i, j, k;
4448         KeyCode                 code;
4449         unsigned int            modifiers[] =
4450             { 0, LockMask, numlockmask, numlockmask | LockMask };
4451
4452         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4453         updatenumlockmask();
4454
4455         for (k = 0; k < ScreenCount(display); k++) {
4456                 if (TAILQ_EMPTY(&screens[k].rl))
4457                         continue;
4458                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4459                 for (i = 0; i < keys_length; i++) {
4460                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4461                                 for (j = 0; j < LENGTH(modifiers); j++)
4462                                         XGrabKey(display, code,
4463                                             keys[i].mod | modifiers[j],
4464                                             screens[k].root, True,
4465                                             GrabModeAsync, GrabModeAsync);
4466                 }
4467         }
4468 }
4469
4470 void
4471 grabbuttons(struct ws_win *win, int focused)
4472 {
4473         unsigned int            i, j;
4474         unsigned int            modifiers[] =
4475             { 0, LockMask, numlockmask, numlockmask|LockMask };
4476
4477         updatenumlockmask();
4478         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4479         if (focused) {
4480                 for (i = 0; i < LENGTH(buttons); i++)
4481                         if (buttons[i].action == client_click)
4482                                 for (j = 0; j < LENGTH(modifiers); j++)
4483                                         XGrabButton(display, buttons[i].button,
4484                                             buttons[i].mask | modifiers[j],
4485                                             win->id, False, BUTTONMASK,
4486                                             GrabModeAsync, GrabModeSync, None,
4487                                             None);
4488         } else
4489                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4490                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4491 }
4492
4493 const char *quirkname[] = {
4494         "NONE",         /* config string for "no value" */
4495         "FLOAT",
4496         "TRANSSZ",
4497         "ANYWHERE",
4498         "XTERM_FONTADJ",
4499         "FULLSCREEN",
4500         "FOCUSPREV",
4501 };
4502
4503 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4504 #define SWM_Q_WS                "\n|+ \t"
4505 int
4506 parsequirks(char *qstr, unsigned long *quirk)
4507 {
4508         char                    *cp, *name;
4509         int                     i;
4510
4511         if (quirk == NULL)
4512                 return (1);
4513
4514         cp = qstr;
4515         *quirk = 0;
4516         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4517                 if (cp)
4518                         cp += (long)strspn(cp, SWM_Q_WS);
4519                 for (i = 0; i < LENGTH(quirkname); i++) {
4520                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4521                                 DNPRINTF(SWM_D_QUIRK,
4522                                     "parsequirks: %s\n", name);
4523                                 if (i == 0) {
4524                                         *quirk = 0;
4525                                         return (0);
4526                                 }
4527                                 *quirk |= 1 << (i-1);
4528                                 break;
4529                         }
4530                 }
4531                 if (i >= LENGTH(quirkname)) {
4532                         DNPRINTF(SWM_D_QUIRK,
4533                             "parsequirks: invalid quirk [%s]\n", name);
4534                         return (1);
4535                 }
4536         }
4537         return (0);
4538 }
4539
4540 void
4541 setquirk(const char *class, const char *name, const int quirk)
4542 {
4543         int                     i, j;
4544
4545         /* find existing */
4546         for (i = 0; i < quirks_length; i++) {
4547                 if (!strcmp(quirks[i].class, class) &&
4548                     !strcmp(quirks[i].name, name)) {
4549                         if (!quirk) {
4550                                 /* found: delete */
4551                                 DNPRINTF(SWM_D_QUIRK,
4552                                     "setquirk: delete #%d %s:%s\n",
4553                                     i, quirks[i].class, quirks[i].name);
4554                                 free(quirks[i].class);
4555                                 free(quirks[i].name);
4556                                 j = quirks_length - 1;
4557                                 if (i < j)
4558                                         quirks[i] = quirks[j];
4559                                 quirks_length--;
4560                                 return;
4561                         } else {
4562                                 /* found: replace */
4563                                 DNPRINTF(SWM_D_QUIRK,
4564                                     "setquirk: replace #%d %s:%s\n",
4565                                     i, quirks[i].class, quirks[i].name);
4566                                 free(quirks[i].class);
4567                                 free(quirks[i].name);
4568                                 quirks[i].class = strdup(class);
4569                                 quirks[i].name = strdup(name);
4570                                 quirks[i].quirk = quirk;
4571                                 return;
4572                         }
4573                 }
4574         }
4575         if (!quirk) {
4576                 fprintf(stderr,
4577                     "error: setquirk: cannot find class/name combination");
4578                 return;
4579         }
4580         /* not found: add */
4581         if (quirks_size == 0 || quirks == NULL) {
4582                 quirks_size = 4;
4583                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4584                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4585                 if (quirks == NULL) {
4586                         fprintf(stderr, "setquirk: malloc failed\n");
4587                         perror(" failed");
4588                         quit(NULL, NULL);
4589                 }
4590         } else if (quirks_length == quirks_size) {
4591                 quirks_size *= 2;
4592                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4593                 quirks = realloc(quirks,
4594                     (size_t)quirks_size * sizeof(struct quirk));
4595                 if (quirks == NULL) {
4596                         fprintf(stderr, "setquirk: realloc failed\n");
4597                         perror(" failed");
4598                         quit(NULL, NULL);
4599                 }
4600         }
4601         if (quirks_length < quirks_size) {
4602                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4603                 j = quirks_length++;
4604                 quirks[j].class = strdup(class);
4605                 quirks[j].name = strdup(name);
4606                 quirks[j].quirk = quirk;
4607         } else {
4608                 fprintf(stderr, "quirks array problem?\n");
4609                 if (quirks == NULL) {
4610                         fprintf(stderr, "quirks array problem!\n");
4611                         quit(NULL, NULL);
4612                 }
4613         }
4614 }
4615
4616 int
4617 setconfquirk(char *selector, char *value, int flags)
4618 {
4619         char                    *cp, *class, *name;
4620         int                     retval;
4621         unsigned long           quirks;
4622         if (selector == NULL)
4623                 return (0);
4624         if ((cp = strchr(selector, ':')) == NULL)
4625                 return (0);
4626         *cp = '\0';
4627         class = selector;
4628         name = cp + 1;
4629         if ((retval = parsequirks(value, &quirks)) == 0)
4630                 setquirk(class, name, quirks);
4631         return (retval);
4632 }
4633
4634 void
4635 setup_quirks(void)
4636 {
4637         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4638         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4639         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4640         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4641         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4642         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4643         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4644         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4645         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4646         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4647         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4648         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4649         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4650 }
4651
4652 /* conf file stuff */
4653 #define SWM_CONF_FILE   "scrotwm.conf"
4654
4655 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4656           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4657           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4658           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4659           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
4660           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4661           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4662           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
4663           SWM_S_VERBOSE_LAYOUT
4664         };
4665
4666 int
4667 setconfvalue(char *selector, char *value, int flags)
4668 {
4669         int     i;
4670
4671         switch (flags) {
4672         case SWM_S_BAR_DELAY:
4673                 bar_delay = atoi(value);
4674                 break;
4675         case SWM_S_BAR_ENABLED:
4676                 bar_enabled = atoi(value);
4677                 break;
4678         case SWM_S_BAR_BORDER_WIDTH:
4679                 bar_border_width = atoi(value);
4680                 break;
4681         case SWM_S_BAR_AT_BOTTOM:
4682                 bar_at_bottom = atoi(value);
4683                 break;
4684         case SWM_S_STACK_ENABLED:
4685                 stack_enabled = atoi(value);
4686                 break;
4687         case SWM_S_CLOCK_ENABLED:
4688                 clock_enabled = atoi(value);
4689                 break;
4690         case SWM_S_CLOCK_FORMAT:
4691 #ifndef SWM_DENY_CLOCK_FORMAT
4692                 free(clock_format);
4693                 if ((clock_format = strdup(value)) == NULL)
4694                         err(1, "setconfvalue: clock_format");
4695 #endif
4696                 break;
4697         case SWM_S_CYCLE_EMPTY:
4698                 cycle_empty = atoi(value);
4699                 break;
4700         case SWM_S_CYCLE_VISIBLE:
4701                 cycle_visible = atoi(value);
4702                 break;
4703         case SWM_S_SS_ENABLED:
4704                 ss_enabled = atoi(value);
4705                 break;
4706         case SWM_S_TERM_WIDTH:
4707                 term_width = atoi(value);
4708                 break;
4709         case SWM_S_TITLE_CLASS_ENABLED:
4710                 title_class_enabled = atoi(value);
4711                 break;
4712         case SWM_S_WINDOW_NAME_ENABLED:
4713                 window_name_enabled = atoi(value);
4714                 break;
4715         case SWM_S_TITLE_NAME_ENABLED:
4716                 title_name_enabled = atoi(value);
4717                 break;
4718         case SWM_S_URGENT_ENABLED:
4719                 urgent_enabled = atoi(value);
4720                 break;
4721         case SWM_S_FOCUS_MODE:
4722                 if (!strcmp(value, "default"))
4723                         focus_mode = SWM_FOCUS_DEFAULT;
4724                 else if (!strcmp(value, "follow_cursor"))
4725                         focus_mode = SWM_FOCUS_FOLLOW;
4726                 else if (!strcmp(value, "synergy"))
4727                         focus_mode = SWM_FOCUS_SYNERGY;
4728                 else
4729                         err(1, "focus_mode");
4730                 break;
4731         case SWM_S_DISABLE_BORDER:
4732                 disable_border = atoi(value);
4733                 break;
4734         case SWM_S_BORDER_WIDTH:
4735                 border_width = atoi(value);
4736                 break;
4737         case SWM_S_BAR_FONT:
4738                 free(bar_fonts[0]);
4739                 if ((bar_fonts[0] = strdup(value)) == NULL)
4740                         err(1, "setconfvalue: bar_font");
4741                 break;
4742         case SWM_S_BAR_ACTION:
4743                 free(bar_argv[0]);
4744                 if ((bar_argv[0] = strdup(value)) == NULL)
4745                         err(1, "setconfvalue: bar_action");
4746                 break;
4747         case SWM_S_SPAWN_TERM:
4748                 free(spawn_term[0]);
4749                 if ((spawn_term[0] = strdup(value)) == NULL)
4750                         err(1, "setconfvalue: spawn_term");
4751                 break;
4752         case SWM_S_SS_APP:
4753                 break;
4754         case SWM_S_DIALOG_RATIO:
4755                 dialog_ratio = atof(value);
4756                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4757                         dialog_ratio = .6;
4758                 break;
4759         case SWM_S_VERBOSE_LAYOUT:
4760                 verbose_layout = atoi(value);
4761                 for (i = 0; layouts[i].l_stack != NULL; i++) {
4762                         if (verbose_layout)
4763                                 layouts[i].l_string = fancy_stacker;
4764                         else
4765                                 layouts[i].l_string = plain_stacker;
4766                 }
4767                 break;
4768         default:
4769                 return (1);
4770         }
4771         return (0);
4772 }
4773
4774 int
4775 setconfmodkey(char *selector, char *value, int flags)
4776 {
4777         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4778                 update_modkey(Mod1Mask);
4779         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4780                 update_modkey(Mod2Mask);
4781         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4782                 update_modkey(Mod3Mask);
4783         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4784                 update_modkey(Mod4Mask);
4785         else
4786                 return (1);
4787         return (0);
4788 }
4789
4790 int
4791 setconfcolor(char *selector, char *value, int flags)
4792 {
4793         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4794         return (0);
4795 }
4796
4797 int
4798 setconfregion(char *selector, char *value, int flags)
4799 {
4800         custom_region(value);
4801         return (0);
4802 }
4803
4804 int
4805 setautorun(char *selector, char *value, int flags)
4806 {
4807         int                     ws_id;
4808         char                    s[1024];
4809         char                    *ap, *sp = s;
4810         union arg               a;
4811         int                     argc = 0;
4812         long                    pid;
4813         struct pid_e            *p;
4814
4815         if (getenv("SWM_STARTED"))
4816                 return (0);
4817
4818         bzero(s, sizeof s);
4819         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
4820                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'\n");
4821         ws_id--;
4822         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4823                 errx(1, "autorun: invalid workspace %d\n", ws_id + 1);
4824
4825         /*
4826          * This is a little intricate
4827          *
4828          * If the pid already exists we simply reuse it because it means it was
4829          * used before AND not claimed by manage_window.  We get away with
4830          * altering it in the parent after INSERT because this can not be a race
4831          */
4832         a.argv = NULL;
4833         while ((ap = strsep(&sp, " \t")) != NULL) {
4834                 if (*ap == '\0')
4835                         continue;
4836                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
4837                 argc++;
4838                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
4839                         err(1, "setautorun: realloc");
4840                 a.argv[argc - 1] = ap;
4841         }
4842
4843         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
4844                 err(1, "setautorun: realloc");
4845         a.argv[argc] = NULL;
4846
4847         if ((pid = fork()) == 0) {
4848                 spawn(ws_id, &a, 1);
4849                 /* NOTREACHED */
4850                 _exit(1);
4851         }
4852         free(a.argv);
4853
4854         /* parent */
4855         p = find_pid(pid);
4856         if (p == NULL) {
4857                 p = calloc(1, sizeof *p);
4858                 if (p == NULL)
4859                         return (1);
4860                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4861         }
4862
4863         p->pid = pid;
4864         p->ws = ws_id;
4865
4866         return (0);
4867 }
4868
4869 int
4870 setlayout(char *selector, char *value, int flags)
4871 {
4872         int                     ws_id, i, x, mg, ma, si, raise;
4873         int                     st = SWM_V_STACK;
4874         char                    s[1024];
4875         struct workspace        *ws;
4876
4877         if (getenv("SWM_STARTED"))
4878                 return (0);
4879
4880         bzero(s, sizeof s);
4881         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
4882             &ws_id, &mg, &ma, &si, &raise, s) != 6)
4883                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4884                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4885                     "<type>'\n");
4886         ws_id--;
4887         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4888                 errx(1, "layout: invalid workspace %d\n", ws_id + 1);
4889
4890         if (!strcasecmp(s, "vertical"))
4891                 st = SWM_V_STACK;
4892         else if (!strcasecmp(s, "horizontal"))
4893                 st = SWM_H_STACK;
4894         else if (!strcasecmp(s, "fullscreen"))
4895                 st = SWM_MAX_STACK;
4896         else
4897                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4898                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4899                     "<type>'\n");
4900
4901         for (i = 0; i < ScreenCount(display); i++) {
4902                 ws = (struct workspace *)&screens[i].ws;
4903                 ws[ws_id].cur_layout = &layouts[st];
4904
4905                 ws[ws_id].always_raise = raise;
4906                 if (st == SWM_MAX_STACK)
4907                         continue;
4908
4909                 /* master grow */
4910                 for (x = 0; x < abs(mg); x++) {
4911                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4912                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
4913                             SWM_ARG_ID_MASTERSHRINK);
4914                         stack();
4915                 }
4916                 /* master add */
4917                 for (x = 0; x < abs(ma); x++) {
4918                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4919                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
4920                             SWM_ARG_ID_MASTERDEL);
4921                         stack();
4922                 }
4923                 /* stack inc */
4924                 for (x = 0; x < abs(si); x++) {
4925                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4926                             si >= 0 ?  SWM_ARG_ID_STACKINC :
4927                             SWM_ARG_ID_STACKDEC);
4928                         stack();
4929                 }
4930         }
4931
4932         return (0);
4933 }
4934
4935 /* config options */
4936 struct config_option {
4937         char                    *optname;
4938         int                     (*func)(char*, char*, int);
4939         int                     funcflags;
4940 };
4941 struct config_option configopt[] = {
4942         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4943         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4944         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4945         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4946         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4947         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4948         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4949         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4950         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4951         { "keyboard_mapping",           setkeymapping,  0 },
4952         { "bind",                       setconfbinding, 0 },
4953         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4954         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4955         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4956         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4957         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4958         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4959         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4960         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4961         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
4962         { "modkey",                     setconfmodkey,  0 },
4963         { "program",                    setconfspawn,   0 },
4964         { "quirk",                      setconfquirk,   0 },
4965         { "region",                     setconfregion,  0 },
4966         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4967         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4968         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4969         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4970         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
4971         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4972         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4973         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4974         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4975         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4976         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4977         { "autorun",                    setautorun,     0 },
4978         { "layout",                     setlayout,      0 },
4979 };
4980
4981
4982 int
4983 conf_load(char *filename, int keymapping)
4984 {
4985         FILE                    *config;
4986         char                    *line, *cp, *optsub, *optval;
4987         size_t                  linelen, lineno = 0;
4988         int                     wordlen, i, optind;
4989         struct config_option    *opt;
4990
4991         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4992
4993         if (filename == NULL) {
4994                 fprintf(stderr, "conf_load: no filename\n");
4995                 return (1);
4996         }
4997         if ((config = fopen(filename, "r")) == NULL) {
4998                 warn("conf_load: fopen: %s", filename);
4999                 return (1);
5000         }
5001
5002         while (!feof(config)) {
5003                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5004                     == NULL) {
5005                         if (ferror(config))
5006                                 err(1, "%s", filename);
5007                         else
5008                                 continue;
5009                 }
5010                 cp = line;
5011                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5012                 if (cp[0] == '\0') {
5013                         /* empty line */
5014                         free(line);
5015                         continue;
5016                 }
5017                 /* get config option */
5018                 wordlen = strcspn(cp, "=[ \t\n");
5019                 if (wordlen == 0) {
5020                         warnx("%s: line %zd: no option found",
5021                             filename, lineno);
5022                         return (1);
5023                 }
5024                 optind = -1;
5025                 for (i = 0; i < LENGTH(configopt); i++) {
5026                         opt = &configopt[i];
5027                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5028                             strlen(opt->optname) == wordlen) {
5029                                 optind = i;
5030                                 break;
5031                         }
5032                 }
5033                 if (optind == -1) {
5034                         warnx("%s: line %zd: unknown option %.*s",
5035                             filename, lineno, wordlen, cp);
5036                         return (1);
5037                 }
5038                 if (keymapping && strcmp(opt->optname, "bind")) {
5039                         warnx("%s: line %zd: invalid option %.*s",
5040                             filename, lineno, wordlen, cp);
5041                         return (1);
5042                 }
5043                 cp += wordlen;
5044                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5045                 /* get [selector] if any */
5046                 optsub = NULL;
5047                 if (*cp == '[') {
5048                         cp++;
5049                         wordlen = strcspn(cp, "]");
5050                         if (*cp != ']') {
5051                                 if (wordlen == 0) {
5052                                         warnx("%s: line %zd: syntax error",
5053                                             filename, lineno);
5054                                         return (1);
5055                                 }
5056                                 asprintf(&optsub, "%.*s", wordlen, cp);
5057                         }
5058                         cp += wordlen;
5059                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5060                 }
5061                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5062                 /* get RHS value */
5063                 optval = strdup(cp);
5064                 /* call function to deal with it all */
5065                 if (configopt[optind].func(optsub, optval,
5066                     configopt[optind].funcflags) != 0) {
5067                         fprintf(stderr, "%s line %zd: %s\n",
5068                             filename, lineno, line);
5069                         errx(1, "%s: line %zd: invalid data for %s",
5070                             filename, lineno, configopt[optind].optname);
5071                 }
5072                 free(optval);
5073                 free(optsub);
5074                 free(line);
5075         }
5076
5077         fclose(config);
5078         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5079
5080         return (0);
5081 }
5082
5083 void
5084 set_child_transient(struct ws_win *win, Window *trans)
5085 {
5086         struct ws_win           *parent, *w;
5087         XWMHints                *wmh = NULL;
5088         struct swm_region       *r;
5089         struct workspace        *ws;
5090
5091         parent = find_window(win->transient);
5092         if (parent)
5093                 parent->child_trans = win;
5094         else {
5095                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5096                     " for %lu trans %lu\n", win->id, win->transient);
5097
5098                 if (win->hints == NULL) {
5099                         fprintf(stderr, "no hints for %lu\n", win->id);
5100                         return;
5101                 }
5102
5103                 r = root_to_region(win->wa.root);
5104                 ws = r->ws;
5105                 /* parent doen't exist in our window list */
5106                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5107                         if (wmh)
5108                                 XFree(wmh);
5109
5110                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5111                                 fprintf(stderr, "can't get hints for %lu\n",
5112                                     w->id);
5113                                 continue;
5114                         }
5115
5116                         if (win->hints->window_group != wmh->window_group)
5117                                 continue;
5118
5119                         w->child_trans = win;
5120                         win->transient = w->id;
5121                         *trans = w->id;
5122                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5123                             "transient to %lu\n", win->transient);
5124                         break;
5125                 }
5126         }
5127
5128         if (wmh)
5129                 XFree(wmh);
5130 }
5131
5132 long
5133 window_get_pid(Window win)
5134 {
5135         Atom                    actual_type_return;
5136         int                     actual_format_return = 0;
5137         unsigned long           nitems_return = 0;
5138         unsigned long           bytes_after_return = 0;
5139         long                    *pid = NULL;
5140         long                    ret = 0;
5141         const char              *errstr;
5142         unsigned char           *prop = NULL;
5143
5144         if (XGetWindowProperty(display, win,
5145             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5146             XA_CARDINAL, &actual_type_return, &actual_format_return,
5147             &nitems_return, &bytes_after_return,
5148             (unsigned char**)(void*)&pid) != Success)
5149                 goto tryharder;
5150         if (actual_type_return != XA_CARDINAL)
5151                 goto tryharder;
5152         if (pid == NULL)
5153                 goto tryharder;
5154
5155         ret = *pid;
5156         XFree(pid);
5157
5158         return (ret);
5159
5160 tryharder:
5161         if (XGetWindowProperty(display, win,
5162             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5163             XA_STRING, &actual_type_return, &actual_format_return,
5164             &nitems_return, &bytes_after_return, &prop) != Success)
5165                 return (0);
5166         if (actual_type_return != XA_STRING)
5167                 return (0);
5168         if (prop == NULL)
5169                 return (0);
5170
5171         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5172         /* ignore error because strtonum returns 0 anyway */
5173         XFree(prop);
5174
5175         return (ret);
5176 }
5177
5178 struct ws_win *
5179 manage_window(Window id)
5180 {
5181         Window                  trans = 0;
5182         struct workspace        *ws;
5183         struct ws_win           *win, *ww;
5184         int                     format, i, ws_idx, n, border_me = 0;
5185         unsigned long           nitems, bytes;
5186         Atom                    ws_idx_atom = 0, type;
5187         Atom                    *prot = NULL, *pp;
5188         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5189         struct swm_region       *r;
5190         long                    mask;
5191         const char              *errstr;
5192         XWindowChanges          wc;
5193         struct pid_e            *p;
5194
5195         if ((win = find_window(id)) != NULL)
5196                 return (win);   /* already being managed */
5197
5198         /* see if we are on the unmanaged list */
5199         if ((win = find_unmanaged_window(id)) != NULL) {
5200                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5201                     "%lu\n", win->id);
5202                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5203                 if (win->transient) {
5204                         set_child_transient(win, &trans);
5205                 } if (trans && (ww = find_window(trans)))
5206                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5207                 else
5208                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5209                 ewmh_update_actions(win);
5210                 return (win);
5211         }
5212
5213         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5214                 errx(1, "calloc: failed to allocate memory for new window");
5215
5216         win->id = id;
5217
5218         /* see if we need to override the workspace */
5219         p = find_pid(window_get_pid(id));
5220
5221         /* Get all the window data in one shot */
5222         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5223         if (ws_idx_atom) {
5224                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5225                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5226         }
5227         XGetWindowAttributes(display, id, &win->wa);
5228         XGetWMNormalHints(display, id, &win->sh, &mask);
5229         win->hints = XGetWMHints(display, id);
5230         XGetTransientForHint(display, id, &trans);
5231         if (trans) {
5232                 win->transient = trans;
5233                 set_child_transient(win, &trans);
5234                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5235                     win->id, win->transient);
5236         }
5237
5238         /* get supported protocols */
5239         if (XGetWMProtocols(display, id, &prot, &n)) {
5240                 for (i = 0, pp = prot; i < n; i++, pp++) {
5241                         if (*pp == takefocus)
5242                                 win->take_focus = 1;
5243                         if (*pp == adelete)
5244                                 win->can_delete = 1;
5245                 }
5246                 if (prot)
5247                         XFree(prot);
5248         }
5249
5250         win->iconic = get_iconic(win);
5251
5252         /*
5253          * Figure out where to put the window. If it was previously assigned to
5254          * a workspace (either by spawn() or manually moving), and isn't
5255          * transient, * put it in the same workspace
5256          */
5257         r = root_to_region(win->wa.root);
5258         if (p) {
5259                 ws = &r->s->ws[p->ws];
5260                 TAILQ_REMOVE(&pidlist, p, entry);
5261                 free(p);
5262                 p = NULL;
5263         } else if (prop && win->transient == 0) {
5264                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5265                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5266                 if (errstr) {
5267                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5268                             errstr, prop);
5269                 }
5270                 ws = &r->s->ws[ws_idx];
5271         } else {
5272                 ws = r->ws;
5273                 /* this should launch transients in the same ws as parent */
5274                 if (id && trans)
5275                         if ((ww = find_window(trans)) != NULL)
5276                                 if (ws->r) {
5277                                         ws = ww->ws;
5278                                         if (ww->ws->r)
5279                                                 r = ww->ws->r;
5280                                         else
5281                                                 fprintf(stderr,
5282                                                     "fix this bug mcbride\n");
5283                                         border_me = 1;
5284                                 }
5285         }
5286
5287         /* set up the window layout */
5288         win->id = id;
5289         win->ws = ws;
5290         win->s = r->s;  /* this never changes */
5291         if (trans && (ww = find_window(trans)))
5292                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5293         else
5294                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5295
5296         win->g.w = win->wa.width;
5297         win->g.h = win->wa.height;
5298         win->g.x = win->wa.x;
5299         win->g.y = win->wa.y;
5300         win->g_floatvalid = 0;
5301         win->floatmaxed = 0;
5302         win->ewmh_flags = 0;
5303
5304         /* Set window properties so we can remember this after reincarnation */
5305         if (ws_idx_atom && prop == NULL &&
5306             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5307                 SWM_PROPLEN) {
5308                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5309                     ws_idx_str);
5310                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5311                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5312         }
5313         if (prop)
5314                 XFree(prop);
5315
5316         ewmh_autoquirk(win);
5317
5318         if (XGetClassHint(display, win->id, &win->ch)) {
5319                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5320                     win->ch.res_class, win->ch.res_name);
5321
5322                 /* java is retarded so treat it special */
5323                 if (strstr(win->ch.res_name, "sun-awt")) {
5324                         win->java = 1;
5325                         border_me = 1;
5326                 }
5327
5328                 for (i = 0; i < quirks_length; i++){
5329                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5330                             !strcmp(win->ch.res_name, quirks[i].name)) {
5331                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5332                                     win->ch.res_class, win->ch.res_name);
5333                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5334                                         win->floating = 1;
5335                                         border_me = 1;
5336                                 }
5337                                 win->quirks = quirks[i].quirk;
5338                         }
5339                 }
5340         }
5341
5342         /* alter window position if quirky */
5343         if (win->quirks & SWM_Q_ANYWHERE) {
5344                 win->manual = 1; /* don't center the quirky windows */
5345                 bzero(&wc, sizeof wc);
5346                 mask = 0;
5347                 if (bar_enabled && win->g.y < bar_height) {
5348                         win->g.y = wc.y = bar_height;
5349                         mask |= CWY;
5350                 }
5351                 if (win->g.w + win->g.x > WIDTH(r)) {
5352                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5353                         mask |= CWX;
5354                 }
5355                 border_me = 1;
5356         }
5357
5358         /* Reset font sizes (the bruteforce way; no default keybinding). */
5359         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5360                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5361                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5362                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5363                         fake_keypress(win, XK_KP_Add, ShiftMask);
5364         }
5365
5366         ewmh_get_win_state(win);
5367         ewmh_update_actions(win);
5368         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5369
5370         /* border me */
5371         if (border_me) {
5372                 bzero(&wc, sizeof wc);
5373                 wc.border_width = border_width;
5374                 mask = CWBorderWidth;
5375                 XConfigureWindow(display, win->id, mask, &wc);
5376         }
5377
5378         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5379             PropertyChangeMask | StructureNotifyMask);
5380
5381         /* floaters need to be mapped if they are in the current workspace */
5382         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5383                 XMapRaised(display, win->id);
5384
5385         return (win);
5386 }
5387
5388 void
5389 free_window(struct ws_win *win)
5390 {
5391         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5392
5393         if (win == NULL)
5394                 return;
5395
5396         /* needed for restart wm */
5397         set_win_state(win, WithdrawnState);
5398
5399         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5400
5401         if (win->ch.res_class)
5402                 XFree(win->ch.res_class);
5403         if (win->ch.res_name)
5404                 XFree(win->ch.res_name);
5405
5406         kill_refs(win);
5407
5408         /* paint memory */
5409         memset(win, 0xff, sizeof *win); /* XXX kill later */
5410
5411         free(win);
5412 }
5413
5414 void
5415 unmanage_window(struct ws_win *win)
5416 {
5417         struct ws_win           *parent;
5418
5419         if (win == NULL)
5420                 return;
5421
5422         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5423
5424         if (win->transient) {
5425                 parent = find_window(win->transient);
5426                 if (parent)
5427                         parent->child_trans = NULL;
5428         }
5429
5430         /* focus on root just in case */
5431         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5432
5433         focus_prev(win);
5434
5435         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5436         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5437
5438         kill_refs(win);
5439 }
5440
5441 void
5442 focus_magic(struct ws_win *win)
5443 {
5444         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5445
5446         if (win == NULL)
5447                 return;
5448
5449         if (win->child_trans) {
5450                 /* win = parent & has a transient so focus on that */
5451                 if (win->java) {
5452                         focus_win(win->child_trans);
5453                         if (win->child_trans->take_focus)
5454                                 client_msg(win, takefocus);
5455                 } else {
5456                         /* make sure transient hasn't dissapeared */
5457                         if (validate_win(win->child_trans) == 0) {
5458                                 focus_win(win->child_trans);
5459                                 if (win->child_trans->take_focus)
5460                                         client_msg(win->child_trans, takefocus);
5461                         } else {
5462                                 win->child_trans = NULL;
5463                                 focus_win(win);
5464                                 if (win->take_focus)
5465                                         client_msg(win, takefocus);
5466                         }
5467                 }
5468         } else {
5469                 /* regular focus */
5470                 focus_win(win);
5471                 if (win->take_focus)
5472                         client_msg(win, takefocus);
5473         }
5474 }
5475
5476 void
5477 expose(XEvent *e)
5478 {
5479         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5480 }
5481
5482 void
5483 keypress(XEvent *e)
5484 {
5485         unsigned int            i;
5486         KeySym                  keysym;
5487         XKeyEvent               *ev = &e->xkey;
5488
5489         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5490
5491         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5492         for (i = 0; i < keys_length; i++)
5493                 if (keysym == keys[i].keysym
5494                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5495                     && keyfuncs[keys[i].funcid].func) {
5496                         if (keys[i].funcid == kf_spawn_custom)
5497                                 spawn_custom(
5498                                     root_to_region(ev->root),
5499                                     &(keyfuncs[keys[i].funcid].args),
5500                                     keys[i].spawn_name
5501                                     );
5502                         else
5503                                 keyfuncs[keys[i].funcid].func(
5504                                     root_to_region(ev->root),
5505                                     &(keyfuncs[keys[i].funcid].args)
5506                                     );
5507                 }
5508 }
5509
5510 void
5511 buttonpress(XEvent *e)
5512 {
5513         struct ws_win           *win;
5514         int                     i, action;
5515         XButtonPressedEvent     *ev = &e->xbutton;
5516
5517         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5518
5519         if ((win = find_window(ev->window)) == NULL)
5520                 return;
5521
5522         focus_magic(win);
5523         action = client_click;
5524
5525         for (i = 0; i < LENGTH(buttons); i++)
5526                 if (action == buttons[i].action && buttons[i].func &&
5527                     buttons[i].button == ev->button &&
5528                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5529                         buttons[i].func(win, &buttons[i].args);
5530 }
5531
5532 void
5533 configurerequest(XEvent *e)
5534 {
5535         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5536         struct ws_win           *win;
5537         int                     new = 0;
5538         XWindowChanges          wc;
5539
5540         if ((win = find_window(ev->window)) == NULL)
5541                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5542                         new = 1;
5543
5544         if (new) {
5545                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5546                     ev->window);
5547                 bzero(&wc, sizeof wc);
5548                 wc.x = ev->x;
5549                 wc.y = ev->y;
5550                 wc.width = ev->width;
5551                 wc.height = ev->height;
5552                 wc.border_width = ev->border_width;
5553                 wc.sibling = ev->above;
5554                 wc.stack_mode = ev->detail;
5555                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5556         } else {
5557                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5558                     ev->window);
5559                 config_win(win, ev);
5560         }
5561 }
5562
5563 void
5564 configurenotify(XEvent *e)
5565 {
5566         struct ws_win           *win;
5567         long                    mask;
5568
5569         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5570             e->xconfigure.window);
5571
5572         win = find_window(e->xconfigure.window);
5573         if (win) {
5574                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5575                 adjust_font(win);
5576                 if (font_adjusted)
5577                         stack();
5578                 if (focus_mode == SWM_FOCUS_DEFAULT)
5579                         drain_enter_notify();
5580         }
5581 }
5582
5583 void
5584 destroynotify(XEvent *e)
5585 {
5586         struct ws_win           *win;
5587         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5588
5589         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5590
5591         if ((win = find_window(ev->window)) == NULL) {
5592                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5593                         return;
5594                 free_window(win);
5595                 return;
5596         }
5597
5598         /* make sure we focus on something */
5599         win->floating = 0;
5600
5601         unmanage_window(win);
5602         stack();
5603         if (focus_mode == SWM_FOCUS_DEFAULT)
5604                 drain_enter_notify();
5605         free_window(win);
5606 }
5607
5608 void
5609 enternotify(XEvent *e)
5610 {
5611         XCrossingEvent          *ev = &e->xcrossing;
5612         XEvent                  cne;
5613         struct ws_win           *win;
5614 #if 0
5615         struct ws_win           *w;
5616         Window                  focus_return;
5617         int                     revert_to_return;
5618 #endif
5619         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5620             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5621             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5622             ev->same_screen, ev->focus, ev->state);
5623
5624         switch (focus_mode) {
5625         case SWM_FOCUS_DEFAULT:
5626                 break;
5627         case SWM_FOCUS_FOLLOW:
5628                 break;
5629         case SWM_FOCUS_SYNERGY:
5630 #if 0
5631         /*
5632          * all these checks need to be in this order because the
5633          * XCheckTypedWindowEvent relies on weeding out the previous events
5634          *
5635          * making this code an option would enable a follow mouse for focus
5636          * feature
5637          */
5638
5639         /*
5640          * state is set when we are switching workspaces and focus is set when
5641          * the window or a subwindow already has focus (occurs during restart).
5642          *
5643          * Only honor the focus flag if last_focus_event is not FocusOut,
5644          * this allows scrotwm to continue to control focus when another
5645          * program is also playing with it.
5646          */
5647         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5648                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5649                 return;
5650         }
5651
5652         /*
5653          * happens when a window is created or destroyed and the border
5654          * crosses the mouse pointer and when switching ws
5655          *
5656          * we need the subwindow test to see if we came from root in order
5657          * to give focus to floaters
5658          */
5659         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5660             ev->subwindow == 0) {
5661                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5662                 return;
5663         }
5664
5665         /* this window already has focus */
5666         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5667                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5668                 return;
5669         }
5670
5671         /* this window is being deleted or moved to another ws */
5672         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5673             &cne) == True) {
5674                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5675                 XPutBackEvent(display, &cne);
5676                 return;
5677         }
5678
5679         if ((win = find_window(ev->window)) == NULL) {
5680                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5681                 return;
5682         }
5683
5684         /*
5685          * In fullstack kill all enters unless they come from a different ws
5686          * (i.e. another region) or focus has been grabbed externally.
5687          */
5688         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5689             last_focus_event != FocusOut) {
5690                 XGetInputFocus(display, &focus_return, &revert_to_return);
5691                 if ((w = find_window(focus_return)) == NULL ||
5692                     w->ws == win->ws) {
5693                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5694                         return;
5695                 }
5696         }
5697 #endif
5698                 break;
5699         }
5700
5701         if ((win = find_window(ev->window)) == NULL) {
5702                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5703                 return;
5704         }
5705
5706         /*
5707          * if we have more enternotifies let them handle it in due time
5708          */
5709         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5710                 DNPRINTF(SWM_D_EVENT,
5711                     "ignoring enternotify: got more enternotify\n");
5712                 XPutBackEvent(display, &cne);
5713                 return;
5714         }
5715
5716         focus_magic(win);
5717 }
5718
5719 /* lets us use one switch statement for arbitrary mode/detail combinations */
5720 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5721
5722 void
5723 focusevent(XEvent *e)
5724 {
5725 #if 0
5726         struct ws_win           *win;
5727         u_int32_t               mode_detail;
5728         XFocusChangeEvent       *ev = &e->xfocus;
5729
5730         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5731             ev->type == FocusIn ? "entering" : "leaving",
5732             ev->window, ev->mode, ev->detail);
5733
5734         if (last_focus_event == ev->type) {
5735                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5736                 return;
5737         }
5738
5739         last_focus_event = ev->type;
5740         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5741
5742         switch (mode_detail) {
5743         /* synergy client focus operations */
5744         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5745         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5746
5747         /* synergy server focus operations */
5748         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5749
5750         /* Entering applications like rdesktop that mangle the pointer */
5751         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5752
5753                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5754                         XSetWindowBorder(display, win->id,
5755                             win->ws->r->s->c[ev->type == FocusIn ?
5756                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5757                 break;
5758         default:
5759                 fprintf(stderr, "ignoring focusevent\n");
5760                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5761                 break;
5762         }
5763 #endif
5764 }
5765
5766 void
5767 mapnotify(XEvent *e)
5768 {
5769         struct ws_win           *win;
5770         XMapEvent               *ev = &e->xmap;
5771
5772         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5773
5774         win = manage_window(ev->window);
5775         if (win)
5776                 set_win_state(win, NormalState);
5777 }
5778
5779 void
5780 mappingnotify(XEvent *e)
5781 {
5782         XMappingEvent           *ev = &e->xmapping;
5783
5784         XRefreshKeyboardMapping(ev);
5785         if (ev->request == MappingKeyboard)
5786                 grabkeys();
5787 }
5788
5789 void
5790 maprequest(XEvent *e)
5791 {
5792         struct ws_win           *win;
5793         struct swm_region       *r;
5794         XWindowAttributes       wa;
5795         XMapRequestEvent        *ev = &e->xmaprequest;
5796
5797         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5798             e->xmaprequest.window);
5799
5800         if (!XGetWindowAttributes(display, ev->window, &wa))
5801                 return;
5802         if (wa.override_redirect)
5803                 return;
5804
5805         win = manage_window(e->xmaprequest.window);
5806         if (win == NULL)
5807                 return; /* can't happen */
5808
5809         stack();
5810
5811         /* make new win focused */
5812         r = root_to_region(win->wa.root);
5813         if (win->ws == r->ws)
5814                 focus_magic(win);
5815 }
5816
5817 void
5818 propertynotify(XEvent *e)
5819 {
5820         struct ws_win           *win;
5821         XPropertyEvent          *ev = &e->xproperty;
5822
5823         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5824             ev->window);
5825
5826         win = find_window(ev->window);
5827         if (win == NULL)
5828                 return;
5829
5830         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5831                 update_iconic(win, 0);
5832                 XMapRaised(display, win->id);
5833                 stack();
5834                 focus_win(win);
5835                 return;
5836         }
5837
5838         switch (ev->atom) {
5839         case XA_WM_NORMAL_HINTS:
5840 #if 0
5841                 long            mask;
5842                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5843                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5844                 if (win->sh.flags & PMinSize) {
5845                         win->g.w = win->sh.min_width;
5846                         win->g.h = win->sh.min_height;
5847                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5848                 }
5849                 XMoveResizeWindow(display, win->id,
5850                     win->g.x, win->g.y, win->g.w, win->g.h);
5851 #endif
5852                 if (window_name_enabled)
5853                         bar_update();
5854                 break;
5855         default:
5856                 break;
5857         }
5858 }
5859
5860 void
5861 unmapnotify(XEvent *e)
5862 {
5863         struct ws_win           *win;
5864
5865         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5866
5867         /* determine if we need to help unmanage this window */
5868         win = find_window(e->xunmap.window);
5869         if (win == NULL)
5870                 return;
5871
5872         if (getstate(e->xunmap.window) == NormalState) {
5873                 unmanage_window(win);
5874                 stack();
5875
5876                 /* giant hack for apps that don't destroy transient windows */
5877                 /* eat a bunch of events to prevent remanaging the window */
5878                 XEvent                  cne;
5879                 while (XCheckWindowEvent(display, e->xunmap.window,
5880                     EnterWindowMask, &cne))
5881                         ;
5882                 while (XCheckWindowEvent(display, e->xunmap.window,
5883                     StructureNotifyMask, &cne))
5884                         ;
5885                 while (XCheckWindowEvent(display, e->xunmap.window,
5886                     SubstructureNotifyMask, &cne))
5887                         ;
5888                 /* resend unmap because we ated it */
5889                 XUnmapWindow(display, e->xunmap.window);
5890         }
5891
5892         if (focus_mode == SWM_FOCUS_DEFAULT)
5893                 drain_enter_notify();
5894 }
5895
5896 void
5897 visibilitynotify(XEvent *e)
5898 {
5899         int                     i;
5900         struct swm_region       *r;
5901
5902         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5903             e->xvisibility.window);
5904         if (e->xvisibility.state == VisibilityUnobscured)
5905                 for (i = 0; i < ScreenCount(display); i++)
5906                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5907                                 if (e->xvisibility.window == r->bar_window)
5908                                         bar_update();
5909 }
5910
5911 void
5912 clientmessage(XEvent *e)
5913 {
5914         XClientMessageEvent *ev;
5915         struct ws_win *win;
5916
5917         ev = &e->xclient;
5918
5919         win = find_window(ev->window);
5920         if (win == NULL)
5921                 return;
5922
5923         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5924             ev->window, ev->message_type);
5925
5926         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5927                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5928                 focus_win(win);
5929         }
5930         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5931                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5932                 if (win->can_delete)
5933                         client_msg(win, adelete);
5934                 else
5935                         XKillClient(display, win->id);
5936         }
5937         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5938                 DNPRINTF(SWM_D_EVENT,
5939                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5940                 if (win->floating) {
5941                         if (ev->data.l[0] & (1<<8)) /* x */
5942                                 win->g.x = ev->data.l[1];
5943                         if (ev->data.l[0] & (1<<9)) /* y */
5944                                 win->g.y = ev->data.l[2];
5945                         if (ev->data.l[0] & (1<<10)) /* width */
5946                                 win->g.w = ev->data.l[3];
5947                         if (ev->data.l[0] & (1<<11)) /* height */
5948                                 win->g.h = ev->data.l[4];
5949                 }
5950                 else {
5951                         /* TODO: Change stack sizes */
5952                 }
5953                 config_win(win, NULL);
5954         }
5955         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5956                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5957                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5958                 if (ev->data.l[2])
5959                         ewmh_update_win_state(win, ev->data.l[2],
5960                             ev->data.l[0]);
5961
5962                 stack();
5963         }
5964 }
5965
5966 int
5967 xerror_start(Display *d, XErrorEvent *ee)
5968 {
5969         other_wm = 1;
5970         return (-1);
5971 }
5972
5973 int
5974 xerror(Display *d, XErrorEvent *ee)
5975 {
5976         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5977         return (-1);
5978 }
5979
5980 int
5981 active_wm(void)
5982 {
5983         other_wm = 0;
5984         xerrorxlib = XSetErrorHandler(xerror_start);
5985
5986         /* this causes an error if some other window manager is running */
5987         XSelectInput(display, DefaultRootWindow(display),
5988             SubstructureRedirectMask);
5989         XSync(display, False);
5990         if (other_wm)
5991                 return (1);
5992
5993         XSetErrorHandler(xerror);
5994         XSync(display, False);
5995         return (0);
5996 }
5997
5998 void
5999 new_region(struct swm_screen *s, int x, int y, int w, int h)
6000 {
6001         struct swm_region       *r, *n;
6002         struct workspace        *ws = NULL;
6003         int                     i;
6004
6005         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6006              s->idx, w, h, x, y);
6007
6008         /* remove any conflicting regions */
6009         n = TAILQ_FIRST(&s->rl);
6010         while (n) {
6011                 r = n;
6012                 n = TAILQ_NEXT(r, entry);
6013                 if (X(r) < (x + w) &&
6014                     (X(r) + WIDTH(r)) > x &&
6015                     Y(r) < (y + h) &&
6016                     (Y(r) + HEIGHT(r)) > y) {
6017                         if (r->ws->r != NULL)
6018                                 r->ws->old_r = r->ws->r;
6019                         r->ws->r = NULL;
6020                         XDestroyWindow(display, r->bar_window);
6021                         TAILQ_REMOVE(&s->rl, r, entry);
6022                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6023                 }
6024         }
6025
6026         /* search old regions for one to reuse */
6027
6028         /* size + location match */
6029         TAILQ_FOREACH(r, &s->orl, entry)
6030                 if (X(r) == x && Y(r) == y &&
6031                     HEIGHT(r) == h && WIDTH(r) == w)
6032                         break;
6033
6034         /* size match */
6035         TAILQ_FOREACH(r, &s->orl, entry)
6036                 if (HEIGHT(r) == h && WIDTH(r) == w)
6037                         break;
6038
6039         if (r != NULL) {
6040                 TAILQ_REMOVE(&s->orl, r, entry);
6041                 /* try to use old region's workspace */
6042                 if (r->ws->r == NULL)
6043                         ws = r->ws;
6044         } else
6045                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6046                         errx(1, "calloc: failed to allocate memory for screen");
6047
6048         /* if we don't have a workspace already, find one */
6049         if (ws == NULL) {
6050                 for (i = 0; i < SWM_WS_MAX; i++)
6051                         if (s->ws[i].r == NULL) {
6052                                 ws = &s->ws[i];
6053                                 break;
6054                         }
6055         }
6056
6057         if (ws == NULL)
6058                 errx(1, "no free workspaces\n");
6059
6060         X(r) = x;
6061         Y(r) = y;
6062         WIDTH(r) = w;
6063         HEIGHT(r) = h;
6064         r->s = s;
6065         r->ws = ws;
6066         r->ws_prior = NULL;
6067         ws->r = r;
6068         outputs++;
6069         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6070 }
6071
6072 void
6073 scan_xrandr(int i)
6074 {
6075 #ifdef SWM_XRR_HAS_CRTC
6076         XRRCrtcInfo             *ci;
6077         XRRScreenResources      *sr;
6078         int                     c;
6079         int                     ncrtc = 0;
6080 #endif /* SWM_XRR_HAS_CRTC */
6081         struct swm_region       *r;
6082
6083
6084         if (i >= ScreenCount(display))
6085                 errx(1, "invalid screen");
6086
6087         /* remove any old regions */
6088         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6089                 r->ws->old_r = r->ws->r = NULL;
6090                 XDestroyWindow(display, r->bar_window);
6091                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6092                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6093         }
6094         outputs = 0;
6095
6096         /* map virtual screens onto physical screens */
6097 #ifdef SWM_XRR_HAS_CRTC
6098         if (xrandr_support) {
6099                 sr = XRRGetScreenResources(display, screens[i].root);
6100                 if (sr == NULL)
6101                         new_region(&screens[i], 0, 0,
6102                             DisplayWidth(display, i),
6103                             DisplayHeight(display, i));
6104                 else
6105                         ncrtc = sr->ncrtc;
6106
6107                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6108                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6109                         if (ci->noutput == 0)
6110                                 continue;
6111
6112                         if (ci != NULL && ci->mode == None)
6113                                 new_region(&screens[i], 0, 0,
6114                                     DisplayWidth(display, i),
6115                                     DisplayHeight(display, i));
6116                         else
6117                                 new_region(&screens[i],
6118                                     ci->x, ci->y, ci->width, ci->height);
6119                 }
6120                 if (ci)
6121                         XRRFreeCrtcInfo(ci);
6122                 XRRFreeScreenResources(sr);
6123         } else
6124 #endif /* SWM_XRR_HAS_CRTC */
6125         {
6126                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6127                     DisplayHeight(display, i));
6128         }
6129 }
6130
6131 void
6132 screenchange(XEvent *e) {
6133         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6134         struct swm_region               *r;
6135         int                             i;
6136
6137         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6138
6139         if (!XRRUpdateConfiguration(e))
6140                 return;
6141
6142         /* silly event doesn't include the screen index */
6143         for (i = 0; i < ScreenCount(display); i++)
6144                 if (screens[i].root == xe->root)
6145                         break;
6146         if (i >= ScreenCount(display))
6147                 errx(1, "screenchange: screen not found\n");
6148
6149         /* brute force for now, just re-enumerate the regions */
6150         scan_xrandr(i);
6151
6152         /* add bars to all regions */
6153         for (i = 0; i < ScreenCount(display); i++)
6154                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6155                         bar_setup(r);
6156         stack();
6157         if (focus_mode == SWM_FOCUS_DEFAULT)
6158                 drain_enter_notify();
6159 }
6160
6161 void
6162 grab_windows(void)
6163 {
6164         Window                  d1, d2, *wins = NULL;
6165         XWindowAttributes       wa;
6166         unsigned int            no;
6167         int                     i, j;
6168         long                    state, manage;
6169
6170         for (i = 0; i < ScreenCount(display); i++) {
6171                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6172                         continue;
6173
6174                 /* attach windows to a region */
6175                 /* normal windows */
6176                 for (j = 0; j < no; j++) {
6177                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6178                             wa.override_redirect ||
6179                             XGetTransientForHint(display, wins[j], &d1))
6180                                 continue;
6181
6182                         state = getstate(wins[j]);
6183                         manage = state == IconicState;
6184                         if (wa.map_state == IsViewable || manage)
6185                                 manage_window(wins[j]);
6186                 }
6187                 /* transient windows */
6188                 for (j = 0; j < no; j++) {
6189                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6190                             wa.override_redirect)
6191                                 continue;
6192
6193                         state = getstate(wins[j]);
6194                         manage = state == IconicState;
6195                         if (XGetTransientForHint(display, wins[j], &d1) &&
6196                             manage)
6197                                 manage_window(wins[j]);
6198                 }
6199                 if (wins) {
6200                         XFree(wins);
6201                         wins = NULL;
6202                 }
6203         }
6204 }
6205
6206 void
6207 setup_screens(void)
6208 {
6209         int                     i, j, k;
6210         int                     errorbase, major, minor;
6211         struct workspace        *ws;
6212
6213         if ((screens = calloc(ScreenCount(display),
6214              sizeof(struct swm_screen))) == NULL)
6215                 errx(1, "calloc: screens");
6216
6217         /* initial Xrandr setup */
6218         xrandr_support = XRRQueryExtension(display,
6219             &xrandr_eventbase, &errorbase);
6220         if (xrandr_support)
6221                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6222                         xrandr_support = 0;
6223
6224         /* map physical screens */
6225         for (i = 0; i < ScreenCount(display); i++) {
6226                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6227                 screens[i].idx = i;
6228                 TAILQ_INIT(&screens[i].rl);
6229                 TAILQ_INIT(&screens[i].orl);
6230                 screens[i].root = RootWindow(display, i);
6231
6232                 /* set default colors */
6233                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6234                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6235                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6236                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6237                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6238
6239                 /* set default cursor */
6240                 XDefineCursor(display, screens[i].root,
6241                     XCreateFontCursor(display, XC_left_ptr));
6242
6243                 /* init all workspaces */
6244                 /* XXX these should be dynamically allocated too */
6245                 for (j = 0; j < SWM_WS_MAX; j++) {
6246                         ws = &screens[i].ws[j];
6247                         ws->idx = j;
6248                         ws->focus = NULL;
6249                         ws->r = NULL;
6250                         ws->old_r = NULL;
6251                         TAILQ_INIT(&ws->winlist);
6252                         TAILQ_INIT(&ws->unmanagedlist);
6253
6254                         for (k = 0; layouts[k].l_stack != NULL; k++)
6255                                 if (layouts[k].l_config != NULL)
6256                                         layouts[k].l_config(ws,
6257                                             SWM_ARG_ID_STACKINIT);
6258                         ws->cur_layout = &layouts[0];
6259                         ws->cur_layout->l_string(ws);
6260                 }
6261
6262                 scan_xrandr(i);
6263
6264                 if (xrandr_support)
6265                         XRRSelectInput(display, screens[i].root,
6266                             RRScreenChangeNotifyMask);
6267         }
6268 }
6269
6270 void
6271 setup_globals(void)
6272 {
6273         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6274             == NULL)
6275                 err(1, "setup_globals: strdup");
6276         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6277             == NULL)
6278                 err(1, "setup_globals: strdup");
6279         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6280             == NULL)
6281                 err(1, "setup_globals: strdup");
6282         if ((spawn_term[0] = strdup("xterm")) == NULL)
6283                 err(1, "setup_globals: strdup");
6284         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6285                 errx(1, "strdup");
6286 }
6287
6288 void
6289 workaround(void)
6290 {
6291         int                     i;
6292         Atom                    netwmcheck, netwmname, utf8_string;
6293         Window                  root, win;
6294
6295         /* work around sun jdk bugs, code from wmname */
6296         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6297         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6298         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6299         for (i = 0; i < ScreenCount(display); i++) {
6300                 root = screens[i].root;
6301                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6302                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6303                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6304
6305                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6306                     PropModeReplace, (unsigned char *)&win,1);
6307                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6308                     PropModeReplace, (unsigned char *)&win,1);
6309                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6310                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6311         }
6312 }
6313
6314 int
6315 main(int argc, char *argv[])
6316 {
6317         struct swm_region       *r, *rr;
6318         struct ws_win           *winfocus = NULL;
6319         struct timeval          tv;
6320         union arg               a;
6321         char                    conf[PATH_MAX], *cfile = NULL;
6322         struct stat             sb;
6323         XEvent                  e;
6324         int                     xfd, i;
6325         fd_set                  rd;
6326         struct sigaction        sact;
6327
6328         start_argv = argv;
6329         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6330             SCROTWM_VERSION, buildstr);
6331         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
6332                 warnx("no locale support");
6333
6334         if (!(display = XOpenDisplay(0)))
6335                 errx(1, "can not open display");
6336
6337         if (active_wm())
6338                 errx(1, "other wm running");
6339
6340         /* handle some signals */
6341         bzero(&sact, sizeof(sact));
6342         sigemptyset(&sact.sa_mask);
6343         sact.sa_flags = 0;
6344         sact.sa_handler = sighdlr;
6345         sigaction(SIGINT, &sact, NULL);
6346         sigaction(SIGQUIT, &sact, NULL);
6347         sigaction(SIGTERM, &sact, NULL);
6348         sigaction(SIGHUP, &sact, NULL);
6349
6350         sact.sa_handler = sighdlr;
6351         sact.sa_flags = SA_NOCLDSTOP;
6352         sigaction(SIGCHLD, &sact, NULL);
6353
6354         astate = XInternAtom(display, "WM_STATE", False);
6355         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6356         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6357         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6358         a_wmname = XInternAtom(display, "WM_NAME", False);
6359         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6360         a_string = XInternAtom(display, "STRING", False);
6361         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6362
6363         /* look for local and global conf file */
6364         pwd = getpwuid(getuid());
6365         if (pwd == NULL)
6366                 errx(1, "invalid user %d", getuid());
6367
6368         setup_screens();
6369         setup_globals();
6370         setup_keys();
6371         setup_quirks();
6372         setup_spawn();
6373
6374         /* load config */
6375         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6376         if (stat(conf, &sb) != -1) {
6377                 if (S_ISREG(sb.st_mode))
6378                         cfile = conf;
6379         } else {
6380                 /* try global conf file */
6381                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6382                 if (!stat(conf, &sb))
6383                         if (S_ISREG(sb.st_mode))
6384                                 cfile = conf;
6385         }
6386         if (cfile)
6387                 conf_load(cfile, SWM_CONF_DEFAULT);
6388
6389         setup_ewmh();
6390         /* set some values to work around bad programs */
6391         workaround();
6392         /* grab existing windows (before we build the bars) */
6393         grab_windows();
6394
6395         if (getenv("SWM_STARTED") == NULL)
6396                 setenv("SWM_STARTED", "YES", 1);
6397
6398         /* setup all bars */
6399         for (i = 0; i < ScreenCount(display); i++)
6400                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6401                         if (winfocus == NULL)
6402                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6403                         bar_setup(r);
6404                 }
6405
6406         unfocus_all();
6407
6408         grabkeys();
6409         stack();
6410         if (focus_mode == SWM_FOCUS_DEFAULT)
6411                 drain_enter_notify();
6412
6413         xfd = ConnectionNumber(display);
6414         while (running) {
6415                 while (XPending(display)) {
6416                         XNextEvent(display, &e);
6417                         if (running == 0)
6418                                 goto done;
6419                         if (e.type < LASTEvent) {
6420                                 dumpevent(&e);
6421                                 if (handler[e.type])
6422                                         handler[e.type](&e);
6423                                 else
6424                                         DNPRINTF(SWM_D_EVENT,
6425                                             "win: %lu unknown event: %d\n",
6426                                             e.xany.window, e.type);
6427                         } else {
6428                                 switch (e.type - xrandr_eventbase) {
6429                                 case RRScreenChangeNotify:
6430                                         screenchange(&e);
6431                                         break;
6432                                 default:
6433                                         DNPRINTF(SWM_D_EVENT,
6434                                             "win: %lu unknown xrandr event: "
6435                                             "%d\n", e.xany.window, e.type);
6436                                         break;
6437                                 }
6438                         }
6439                 }
6440
6441                 /* if we are being restarted go focus on first window */
6442                 if (winfocus) {
6443                         rr = winfocus->ws->r;
6444                         if (rr == NULL) {
6445                                 /* not a visible window */
6446                                 winfocus = NULL;
6447                                 continue;
6448                         }
6449                         /* move pointer to first screen if multi screen */
6450                         if (ScreenCount(display) > 1 || outputs > 1)
6451                                 XWarpPointer(display, None, rr->s[0].root,
6452                                     0, 0, 0, 0, rr->g.x,
6453                                     rr->g.y + (bar_enabled ? bar_height : 0));
6454
6455                         a.id = SWM_ARG_ID_FOCUSCUR;
6456                         focus(rr, &a);
6457                         winfocus = NULL;
6458                         continue;
6459                 }
6460
6461                 FD_ZERO(&rd);
6462                 FD_SET(xfd, &rd);
6463                 tv.tv_sec = 1;
6464                 tv.tv_usec = 0;
6465                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6466                         if (errno != EINTR)
6467                                 DNPRINTF(SWM_D_MISC, "select failed");
6468                 if (restart_wm == 1)
6469                         restart(NULL, NULL);
6470                 if (search_resp == 1)
6471                         search_do_resp();
6472                 if (running == 0)
6473                         goto done;
6474                 if (bar_alarm) {
6475                         bar_alarm = 0;
6476                         bar_update();
6477                 }
6478         }
6479 done:
6480         teardown_ewmh();
6481         bar_extra_stop();
6482         XFreeGC(display, bar_gc);
6483         XCloseDisplay(display);
6484
6485         return (0);
6486 }