scrotwm.c

   1 /* $scrotwm$ */
   2 /*
   3  * Copyright (c) 2009-2010-2011 Marco Peereboom <marco@peereboom.us>
   4  * Copyright (c) 2009-2010-2011 Ryan McBride <mcbride@countersiege.com>
   5  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   6  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  */
  21 /*
  22  * Much code and ideas taken from dwm under the following license:
  23  * MIT/X Consortium License
  24  *
  25  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  26  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  27  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  28  * 2007 Premysl Hruby <dfenze at gmail dot com>
  29  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  30  * 2007 Christof Musik <christof at sendfax dot de>
  31  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  32  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  33  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining a
  36  * copy of this software and associated documentation files (the "Software"),
  37  * to deal in the Software without restriction, including without limitation
  38  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  39  * and/or sell copies of the Software, and to permit persons to whom the
  40  * Software is furnished to do so, subject to the following conditions:
  41  *
  42  * The above copyright notice and this permission notice shall be included in
  43  * all copies or substantial portions of the Software.
  44  *
  45  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  46  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  47  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  48  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  49  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  50  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  51  * DEALINGS IN THE SOFTWARE.
  52  */
  53
  54 static const char       *cvstag = "$scrotwm$";
  55
  56 #define SWM_VERSION     "0.9.30"
  57
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <err.h>
  61 #include <errno.h>
  62 #include <fcntl.h>
  63 #include <locale.h>
  64 #include <unistd.h>
  65 #include <time.h>
  66 #include <signal.h>
  67 #include <string.h>
  68 #include <util.h>
  69 #include <pwd.h>
  70 #include <paths.h>
  71 #include <ctype.h>
  72
  73 #include <sys/types.h>
  74 #include <sys/time.h>
  75 #include <sys/stat.h>
  76 #include <sys/wait.h>
  77 #include <sys/queue.h>
  78 #include <sys/param.h>
  79 #include <sys/select.h>
  80
  81 #include <X11/cursorfont.h>
  82 #include <X11/keysym.h>
  83 #include <X11/Xatom.h>
  84 #include <X11/Xlib.h>
  85 #include <X11/Xproto.h>
  86 #include <X11/Xutil.h>
  87 #include <X11/extensions/Xrandr.h>
  88
  89 #ifdef __OSX__
  90 #include <osx.h>
  91 #endif
  92
  93 #if RANDR_MAJOR < 1
  94 #  error XRandR versions less than 1.0 are not supported
  95 #endif
  96
  97 #if RANDR_MAJOR >= 1
  98 #if RANDR_MINOR >= 2
  99 #define SWM_XRR_HAS_CRTC
 100 #endif
 101 #endif
 102
 103 /*#define SWM_DEBUG*/
 104 #ifdef SWM_DEBUG
 105 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 106 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 107 #define SWM_D_MISC              0x0001
 108 #define SWM_D_EVENT             0x0002
 109 #define SWM_D_WS                0x0004
 110 #define SWM_D_FOCUS             0x0008
 111 #define SWM_D_MOVE              0x0010
 112 #define SWM_D_STACK             0x0020
 113 #define SWM_D_MOUSE             0x0040
 114 #define SWM_D_PROP              0x0080
 115 #define SWM_D_CLASS             0x0100
 116 #define SWM_D_KEY               0x0200
 117 #define SWM_D_QUIRK             0x0400
 118 #define SWM_D_SPAWN             0x0800
 119 #define SWM_D_EVENTQ            0x1000
 120 #define SWM_D_CONF              0x2000
 121
 122 u_int32_t               swm_debug = 0
 123                             | SWM_D_MISC
 124                             | SWM_D_EVENT
 125                             | SWM_D_WS
 126                             | SWM_D_FOCUS
 127                             | SWM_D_MOVE
 128                             | SWM_D_STACK
 129                             | SWM_D_MOUSE
 130                             | SWM_D_PROP
 131                             | SWM_D_CLASS
 132                             | SWM_D_KEY
 133                             | SWM_D_QUIRK
 134                             | SWM_D_SPAWN
 135                             | SWM_D_EVENTQ
 136                             | SWM_D_CONF
 137                             ;
 138 #else
 139 #define DPRINTF(x...)
 140 #define DNPRINTF(n,x...)
 141 #endif
 142
 143 #define LENGTH(x)               (sizeof x / sizeof x[0])
 144 #define MODKEY                  Mod1Mask
 145 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 146 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 147 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 148 #define SWM_PROPLEN             (16)
 149 #define SWM_FUNCNAME_LEN        (32)
 150 #define SWM_KEYS_LEN            (255)
 151 #define SWM_QUIRK_LEN           (64)
 152 #define X(r)                    (r)->g.x
 153 #define Y(r)                    (r)->g.y
 154 #define WIDTH(r)                (r)->g.w
 155 #define HEIGHT(r)               (r)->g.h
 156 #define SWM_MAX_FONT_STEPS      (3)
 157 #define WINID(w)                (w ? w->id : 0)
 158
 159 #define SWM_FOCUS_DEFAULT       (0)
 160 #define SWM_FOCUS_SYNERGY       (1)
 161 #define SWM_FOCUS_FOLLOW        (2)
 162
 163 #ifndef SWM_LIB
 164 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 165 #endif
 166
 167 char                    **start_argv;
 168 Atom                    astate;
 169 Atom                    aprot;
 170 Atom                    adelete;
 171 Atom                    takefocus;
 172 Atom                    a_wmname;
 173 Atom                    a_utf8_string;
 174 Atom                    a_string;
 175 Atom                    a_swm_iconic;
 176 volatile sig_atomic_t   running = 1;
 177 volatile sig_atomic_t   restart_wm = 0;
 178 int                     outputs = 0;
 179 int                     last_focus_event = FocusOut;
 180 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 181 int                     other_wm;
 182 int                     ss_enabled = 0;
 183 int                     xrandr_support;
 184 int                     xrandr_eventbase;
 185 unsigned int            numlockmask = 0;
 186 Display                 *display;
 187
 188 int                     cycle_empty = 0;
 189 int                     cycle_visible = 0;
 190 int                     term_width = 0;
 191 int                     font_adjusted = 0;
 192 unsigned int            mod_key = MODKEY;
 193
 194 /* dmenu search */
 195 struct swm_region       *search_r;
 196 int                     select_list_pipe[2];
 197 int                     select_resp_pipe[2];
 198 pid_t                   searchpid;
 199 volatile sig_atomic_t   search_resp;
 200
 201 /* dialog windows */
 202 double                  dialog_ratio = .6;
 203 /* status bar */
 204 #define SWM_BAR_MAX     (256)
 205 char                    *bar_argv[] = { NULL, NULL };
 206 int                     bar_pipe[2];
 207 char                    bar_ext[SWM_BAR_MAX];
 208 char                    bar_vertext[SWM_BAR_MAX];
 209 int                     bar_version = 0;
 210 sig_atomic_t            bar_alarm = 0;
 211 int                     bar_delay = 30;
 212 int                     bar_enabled = 1;
 213 int                     bar_border_width = 1;
 214 int                     bar_at_bottom = 0;
 215 int                     bar_extra = 1;
 216 int                     bar_extra_running = 0;
 217 int                     bar_verbose = 1;
 218 int                     bar_height = 0;
 219 int                     stack_enabled = 1;
 220 int                     clock_enabled = 1;
 221 char                    *clock_format = NULL;
 222 int                     title_name_enabled = 0;
 223 int                     title_class_enabled = 0;
 224 int                     window_name_enabled = 0;
 225 int                     focus_mode = SWM_FOCUS_DEFAULT;
 226 int                     disable_border = 0;
 227 int                     border_width = 1;
 228 pid_t                   bar_pid;
 229 GC                      bar_gc;
 230 XGCValues               bar_gcv;
 231 int                     bar_fidx = 0;
 232 XFontStruct             *bar_fs;
 233 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 234 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 235
 236 #define SWM_MENU_FN     (2)
 237 #define SWM_MENU_NB     (4)
 238 #define SWM_MENU_NF     (6)
 239 #define SWM_MENU_SB     (8)
 240 #define SWM_MENU_SF     (10)
 241
 242 /* layout manager data */
 243 struct swm_geometry {
 244         int                     x;
 245         int                     y;
 246         int                     w;
 247         int                     h;
 248 };
 249
 250 struct swm_screen;
 251 struct workspace;
 252
 253 /* virtual "screens" */
 254 struct swm_region {
 255         TAILQ_ENTRY(swm_region) entry;
 256         struct swm_geometry     g;
 257         struct workspace        *ws;    /* current workspace on this region */
 258         struct workspace        *ws_prior; /* prior workspace on this region */
 259         struct swm_screen       *s;     /* screen idx */
 260         Window                  bar_window;
 261 };
 262 TAILQ_HEAD(swm_region_list, swm_region);
 263
 264 struct ws_win {
 265         TAILQ_ENTRY(ws_win)     entry;
 266         Window                  id;
 267         Window                  transient;
 268         struct ws_win           *child_trans;   /* transient child window */
 269         struct swm_geometry     g;              /* current geometry */
 270         struct swm_geometry     g_float;        /* geometry when floating */
 271         struct swm_geometry     rg_float;       /* region geom when floating */
 272         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 273         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 274         int                     floating;
 275         int                     manual;
 276         int                     iconic;
 277         unsigned int            ewmh_flags;
 278         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 279         int                     font_steps;
 280         int                     last_inc;
 281         int                     can_delete;
 282         int                     take_focus;
 283         int                     java;
 284         unsigned long           quirks;
 285         struct workspace        *ws;    /* always valid */
 286         struct swm_screen       *s;     /* always valid, never changes */
 287         XWindowAttributes       wa;
 288         XSizeHints              sh;
 289         XClassHint              ch;
 290         XWMHints                *hints;
 291 };
 292 TAILQ_HEAD(ws_win_list, ws_win);
 293
 294 /* layout handlers */
 295 void    stack(void);
 296 void    vertical_config(struct workspace *, int);
 297 void    vertical_stack(struct workspace *, struct swm_geometry *);
 298 void    horizontal_config(struct workspace *, int);
 299 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 300 void    max_stack(struct workspace *, struct swm_geometry *);
 301
 302 struct ws_win *find_window(Window);
 303
 304 void    grabbuttons(struct ws_win *, int);
 305 void    new_region(struct swm_screen *, int, int, int, int);
 306 void    unmanage_window(struct ws_win *);
 307 long    getstate(Window);
 308
 309 struct layout {
 310         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 311         void            (*l_config)(struct workspace *, int);
 312         u_int32_t       flags;
 313 #define SWM_L_FOCUSPREV         (1<<0)
 314 #define SWM_L_MAPONFOCUS        (1<<1)
 315         char            *name;
 316 } layouts[] =  {
 317         /* stack,               configure */
 318         { vertical_stack,       vertical_config,        0,      "[|]" },
 319         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 320         { max_stack,            NULL,
 321           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]"},
 322         { NULL,                 NULL,                   0,      NULL },
 323 };
 324
 325 /* position of max_stack mode in the layouts array */
 326 #define SWM_MAX_STACK           2
 327
 328 #define SWM_H_SLICE             (32)
 329 #define SWM_V_SLICE             (32)
 330
 331 /* define work spaces */
 332 struct workspace {
 333         int                     idx;            /* workspace index */
 334         struct layout           *cur_layout;    /* current layout handlers */
 335         struct ws_win           *focus;         /* may be NULL */
 336         struct ws_win           *focus_prev;    /* may be NULL */
 337         struct swm_region       *r;             /* may be NULL */
 338         struct swm_region       *old_r;         /* may be NULL */
 339         struct ws_win_list      winlist;        /* list of windows in ws */
 340         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 341
 342         /* stacker state */
 343         struct {
 344                                 int horizontal_msize;
 345                                 int horizontal_mwin;
 346                                 int horizontal_stacks;
 347                                 int vertical_msize;
 348                                 int vertical_mwin;
 349                                 int vertical_stacks;
 350         } l_state;
 351 };
 352
 353 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 354           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 355
 356 /* physical screen mapping */
 357 #define SWM_WS_MAX              (10)
 358 struct swm_screen {
 359         int                     idx;    /* screen index */
 360         struct swm_region_list  rl;     /* list of regions on this screen */
 361         struct swm_region_list  orl;    /* list of old regions */
 362         Window                  root;
 363         struct workspace        ws[SWM_WS_MAX];
 364
 365         /* colors */
 366         struct {
 367                 unsigned long   color;
 368                 char            *name;
 369         } c[SWM_S_COLOR_MAX];
 370 };
 371 struct swm_screen       *screens;
 372 int                     num_screens;
 373
 374 /* args to functions */
 375 union arg {
 376         int                     id;
 377 #define SWM_ARG_ID_FOCUSNEXT    (0)
 378 #define SWM_ARG_ID_FOCUSPREV    (1)
 379 #define SWM_ARG_ID_FOCUSMAIN    (2)
 380 #define SWM_ARG_ID_FOCUSCUR     (4)
 381 #define SWM_ARG_ID_SWAPNEXT     (10)
 382 #define SWM_ARG_ID_SWAPPREV     (11)
 383 #define SWM_ARG_ID_SWAPMAIN     (12)
 384 #define SWM_ARG_ID_MOVELAST     (13)
 385 #define SWM_ARG_ID_MASTERSHRINK (20)
 386 #define SWM_ARG_ID_MASTERGROW   (21)
 387 #define SWM_ARG_ID_MASTERADD    (22)
 388 #define SWM_ARG_ID_MASTERDEL    (23)
 389 #define SWM_ARG_ID_STACKRESET   (30)
 390 #define SWM_ARG_ID_STACKINIT    (31)
 391 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 392 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 393 #define SWM_ARG_ID_CYCLESC_UP   (42)
 394 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 395 #define SWM_ARG_ID_STACKINC     (50)
 396 #define SWM_ARG_ID_STACKDEC     (51)
 397 #define SWM_ARG_ID_SS_ALL       (60)
 398 #define SWM_ARG_ID_SS_WINDOW    (61)
 399 #define SWM_ARG_ID_DONTCENTER   (70)
 400 #define SWM_ARG_ID_CENTER       (71)
 401 #define SWM_ARG_ID_KILLWINDOW   (80)
 402 #define SWM_ARG_ID_DELETEWINDOW (81)
 403         char                    **argv;
 404 };
 405
 406 void    focus(struct swm_region *, union arg *);
 407 void    focus_magic(struct ws_win *);
 408
 409 /* quirks */
 410 struct quirk {
 411         char                    *class;
 412         char                    *name;
 413         unsigned long           quirk;
 414 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 415 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 416 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 417 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 418 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 419 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 420 };
 421 int                             quirks_size = 0, quirks_length = 0;
 422 struct quirk                    *quirks = NULL;
 423
 424 /*
 425  * Supported EWMH hints should be added to
 426  * both the enum and the ewmh array
 427  */
 428 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 429     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 430     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 431     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 432     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 433     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 434     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 435     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 436     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 437     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 438     SWM_EWMH_HINT_MAX };
 439
 440 struct ewmh_hint {
 441         char    *name;
 442         Atom     atom;
 443 } ewmh[SWM_EWMH_HINT_MAX] =     {
 444     /* must be in same order as in the enum */
 445     {"_NET_ACTIVE_WINDOW", None},
 446     {"_NET_MOVERESIZE_WINDOW", None},
 447     {"_NET_CLOSE_WINDOW", None},
 448     {"_NET_WM_WINDOW_TYPE", None},
 449     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 450     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 451     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 452     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 453     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 454     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 455     {"_NET_WM_STATE", None},
 456     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 457     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 458     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 459     {"_NET_WM_STATE_SKIP_PAGER", None},
 460     {"_NET_WM_STATE_HIDDEN", None},
 461     {"_NET_WM_STATE_ABOVE", None},
 462     {"_SWM_WM_STATE_MANUAL", None},
 463     {"_NET_WM_STATE_FULLSCREEN", None},
 464     {"_NET_WM_ALLOWED_ACTIONS", None},
 465     {"_NET_WM_ACTION_MOVE", None},
 466     {"_NET_WM_ACTION_RESIZE", None},
 467     {"_NET_WM_ACTION_FULLSCREEN", None},
 468     {"_NET_WM_ACTION_CLOSE", None},
 469 };
 470
 471 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 472 int     floating_toggle_win(struct ws_win *win);
 473 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 474
 475 int
 476 get_property(Window id, Atom atom, long count, Atom type,
 477     unsigned long *n, unsigned char **data)
 478 {
 479         int                     format, status;
 480         unsigned long           tmp, extra;
 481         unsigned long           *nitems;
 482         Atom                    real;
 483
 484         nitems = n != NULL ? n : &tmp;
 485         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 486             &real, &format, nitems, &extra, data);
 487
 488         if (status != Success)
 489                 return False;
 490         if (real != type)
 491                 return False;
 492
 493         return True;
 494 }
 495
 496 void
 497 update_iconic(struct ws_win *win, int newv)
 498 {
 499         int32_t v = newv;
 500         Atom iprop;
 501
 502         win->iconic = newv;
 503
 504         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 505         if (!iprop)
 506                 return;
 507         if (newv)
 508                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 509                     PropModeReplace, (unsigned char *)&v, 1);
 510         else
 511                 XDeleteProperty(display, win->id, iprop);
 512 }
 513
 514 int
 515 get_iconic(struct ws_win *win)
 516 {
 517         int32_t v = 0;
 518         int retfmt, status;
 519         Atom iprop, rettype;
 520         unsigned long nitems, extra;
 521         unsigned char *prop = NULL;
 522
 523         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 524         if (!iprop)
 525                 goto out;
 526         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 527             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 528         if (status != Success)
 529                 goto out;
 530         if (rettype != XA_INTEGER || retfmt != 32)
 531                 goto out;
 532         if (nitems != 1)
 533                 goto out;
 534         v = *((int32_t *)prop);
 535
 536 out:
 537         if (prop != NULL)
 538                 XFree(prop);
 539         return (v);
 540 }
 541
 542 void
 543 setup_ewmh(void)
 544 {
 545         int                     i,j;
 546         Atom                    sup_list;
 547
 548         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 549
 550         for (i = 0; i < LENGTH(ewmh); i++)
 551                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 552
 553         for (i = 0; i < ScreenCount(display); i++) {
 554                 /* Support check window will be created by workaround(). */
 555
 556                 /* Report supported atoms */
 557                 XDeleteProperty(display, screens[i].root, sup_list);
 558                 for (j = 0; j < LENGTH(ewmh); j++)
 559                         XChangeProperty(display, screens[i].root, sup_list, XA_ATOM, 32,
 560                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 561         }
 562 }
 563
 564 void
 565 teardown_ewmh(void)
 566 {
 567         int                     i, success;
 568         unsigned char           *data = NULL;
 569         unsigned long           n;
 570         Atom                    sup_check, sup_list;
 571         Window                  id;
 572
 573         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 574         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 575
 576         for (i = 0; i < ScreenCount(display); i++) {
 577                 /* Get the support check window and destroy it */
 578                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 579                     &n, &data);
 580
 581                 if (success) {
 582                         id = data[0];
 583                         XDestroyWindow(display, id);
 584                         XDeleteProperty(display, screens[i].root, sup_check);
 585                         XDeleteProperty(display, screens[i].root, sup_list);
 586                 }
 587
 588                 XFree(data);
 589         }
 590 }
 591
 592 void
 593 ewmh_autoquirk(struct ws_win *win)
 594 {
 595         int                     success, i;
 596         unsigned long           *data = NULL;
 597         unsigned long           n;
 598         Atom                    type;
 599
 600         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 601             XA_ATOM, &n, (unsigned char **)&data);
 602
 603         if (!success) {
 604                 XFree(data);
 605                 return;
 606         }
 607
 608         for (i = 0; i < n; i++) {
 609                 type = data[i];
 610                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 611                         break;
 612                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 613                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 614                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 615                         win->floating = 1;
 616                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 617                         break;
 618                 }
 619                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 620                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 621                         win->floating = 1;
 622                         win->quirks = SWM_Q_FLOAT;
 623                         break;
 624                 }
 625         }
 626
 627         XFree(data);
 628 }
 629
 630 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 631 #define EWMH_F_FULLSCREEN               (1<<0)
 632 #define EWMH_F_ABOVE                    (1<<1)
 633 #define EWMH_F_HIDDEN                   (1<<2)
 634 #define EWMH_F_SKIP_PAGER               (1<<3)
 635 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 636 #define SWM_F_MANUAL                    (1<<5)
 637
 638 int
 639 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 640 {
 641         struct swm_geometry     rg;
 642
 643         if (!win->ws->r)
 644                 return 0;
 645
 646         if (!win->floating)
 647                 return 0;
 648
 649         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 650             win->id, fs);
 651
 652         rg = win->ws->r->g;
 653
 654         if (fs) {
 655                 store_float_geom(win, win->ws->r);
 656
 657                 win->g.x = rg.x;
 658                 win->g.y = rg.y;
 659                 win->g.w = rg.w;
 660                 win->g.h = rg.h;
 661         } else {
 662                 if (win->g_floatvalid) {
 663                         /* refloat at last floating relative position */
 664                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 665                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 666                         win->g.w = win->g_float.w;
 667                         win->g.h = win->g_float.h;
 668                 }
 669         }
 670
 671         return 1;
 672 }
 673
 674 void
 675 ewmh_update_actions(struct ws_win *win)
 676 {
 677         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 678         int                     n = 0;
 679
 680         if (win == NULL)
 681                 return;
 682
 683         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 684
 685         if (win->floating) {
 686                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 687                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 688         }
 689
 690         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 691             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 692 }
 693
 694 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 695 #define _NET_WM_STATE_ADD       1    /* add/set property */
 696 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 697
 698 void
 699 ewmh_update_win_state(struct ws_win *win, long state, long action)
 700 {
 701         unsigned int            mask = 0;
 702         unsigned int            changed = 0;
 703         unsigned int            orig_flags;
 704
 705         if (win == NULL)
 706                 return;
 707
 708         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 709                 mask = EWMH_F_FULLSCREEN;
 710         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 711                 mask = EWMH_F_ABOVE;
 712         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 713                 mask = SWM_F_MANUAL;
 714         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 715                 mask = EWMH_F_SKIP_PAGER;
 716         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 717                 mask = EWMH_F_SKIP_TASKBAR;
 718
 719
 720         orig_flags = win->ewmh_flags;
 721
 722         switch (action) {
 723         case _NET_WM_STATE_REMOVE:
 724                 win->ewmh_flags &= ~mask;
 725                 break;
 726         case _NET_WM_STATE_ADD:
 727                 win->ewmh_flags |= mask;
 728                 break;
 729         case _NET_WM_STATE_TOGGLE:
 730                 win->ewmh_flags ^= mask;
 731                 break;
 732         }
 733
 734         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 735
 736         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 737                 if (changed)
 738                         if (!floating_toggle_win(win))
 739                                 win->ewmh_flags = orig_flags; /* revert */
 740         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 741                 if (changed)
 742                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 743         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 744                 if (changed)
 745                         if (!ewmh_set_win_fullscreen(win, win->ewmh_flags & EWMH_F_FULLSCREEN))
 746                                 win->ewmh_flags = orig_flags; /* revert */
 747
 748         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 749
 750         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 751                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 752                     XA_ATOM, 32, PropModeAppend,
 753                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 754         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 755                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 756                     XA_ATOM, 32, PropModeAppend,
 757                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 758         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 759                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 760                     XA_ATOM, 32, PropModeAppend,
 761                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 762         if (win->ewmh_flags & EWMH_F_ABOVE)
 763                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 764                     XA_ATOM, 32, PropModeAppend,
 765                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 766         if (win->ewmh_flags & SWM_F_MANUAL)
 767                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 768                     XA_ATOM, 32, PropModeAppend,
 769                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 770 }
 771
 772 void
 773 ewmh_get_win_state(struct ws_win *win)
 774 {
 775         int                     success, i;
 776         unsigned long           n;
 777         Atom                    *states;
 778
 779         if (win == NULL)
 780                 return;
 781
 782         win->ewmh_flags = 0;
 783         if (win->floating)
 784                 win->ewmh_flags |= EWMH_F_ABOVE;
 785         if (win->manual)
 786                 win->ewmh_flags |= SWM_F_MANUAL;
 787
 788         success = get_property(win->id, ewmh[_NET_WM_STATE].atom, (~0L), XA_ATOM,
 789             &n, (unsigned char **)&states);
 790
 791         if (!success)
 792                 return;
 793
 794         for (i = 0; i < n; i++)
 795                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 796
 797         XFree(states);
 798 }
 799
 800 /* events */
 801 #ifdef SWM_DEBUG
 802 void
 803 dumpevent(XEvent *e)
 804 {
 805         char                    *name = NULL;
 806
 807         switch (e->type) {
 808         case KeyPress:
 809                 name = "KeyPress";
 810                 break;
 811         case KeyRelease:
 812                 name = "KeyRelease";
 813                 break;
 814         case ButtonPress:
 815                 name = "ButtonPress";
 816                 break;
 817         case ButtonRelease:
 818                 name = "ButtonRelease";
 819                 break;
 820         case MotionNotify:
 821                 name = "MotionNotify";
 822                 break;
 823         case EnterNotify:
 824                 name = "EnterNotify";
 825                 break;
 826         case LeaveNotify:
 827                 name = "LeaveNotify";
 828                 break;
 829         case FocusIn:
 830                 name = "FocusIn";
 831                 break;
 832         case FocusOut:
 833                 name = "FocusOut";
 834                 break;
 835         case KeymapNotify:
 836                 name = "KeymapNotify";
 837                 break;
 838         case Expose:
 839                 name = "Expose";
 840                 break;
 841         case GraphicsExpose:
 842                 name = "GraphicsExpose";
 843                 break;
 844         case NoExpose:
 845                 name = "NoExpose";
 846                 break;
 847         case VisibilityNotify:
 848                 name = "VisibilityNotify";
 849                 break;
 850         case CreateNotify:
 851                 name = "CreateNotify";
 852                 break;
 853         case DestroyNotify:
 854                 name = "DestroyNotify";
 855                 break;
 856         case UnmapNotify:
 857                 name = "UnmapNotify";
 858                 break;
 859         case MapNotify:
 860                 name = "MapNotify";
 861                 break;
 862         case MapRequest:
 863                 name = "MapRequest";
 864                 break;
 865         case ReparentNotify:
 866                 name = "ReparentNotify";
 867                 break;
 868         case ConfigureNotify:
 869                 name = "ConfigureNotify";
 870                 break;
 871         case ConfigureRequest:
 872                 name = "ConfigureRequest";
 873                 break;
 874         case GravityNotify:
 875                 name = "GravityNotify";
 876                 break;
 877         case ResizeRequest:
 878                 name = "ResizeRequest";
 879                 break;
 880         case CirculateNotify:
 881                 name = "CirculateNotify";
 882                 break;
 883         case CirculateRequest:
 884                 name = "CirculateRequest";
 885                 break;
 886         case PropertyNotify:
 887                 name = "PropertyNotify";
 888                 break;
 889         case SelectionClear:
 890                 name = "SelectionClear";
 891                 break;
 892         case SelectionRequest:
 893                 name = "SelectionRequest";
 894                 break;
 895         case SelectionNotify:
 896                 name = "SelectionNotify";
 897                 break;
 898         case ColormapNotify:
 899                 name = "ColormapNotify";
 900                 break;
 901         case ClientMessage:
 902                 name = "ClientMessage";
 903                 break;
 904         case MappingNotify:
 905                 name = "MappingNotify";
 906                 break;
 907         }
 908
 909         if (name)
 910                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 911                     "remaining\n",
 912                     e->xany.window, name, e->type, QLength(display));
 913         else
 914                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 915                     "remaining\n",
 916                     e->xany.window, e->type, QLength(display));
 917 }
 918
 919 void
 920 dumpwins(struct swm_region *r, union arg *args)
 921 {
 922         struct ws_win           *win;
 923         unsigned int            state;
 924         XWindowAttributes       wa;
 925
 926         if (r->ws == NULL) {
 927                 fprintf(stderr, "invalid workspace\n");
 928                 return;
 929         }
 930
 931         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 932
 933         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 934                 state = getstate(win->id);
 935                 if (!XGetWindowAttributes(display, win->id, &wa))
 936                         fprintf(stderr, "window: %lu failed "
 937                             "XGetWindowAttributes\n", win->id);
 938                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 939                     "transient: %lu\n",
 940                     win->id, wa.map_state, state, win->transient);
 941         }
 942
 943         fprintf(stderr, "===== unmanaged window list =====\n");
 944         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 945                 state = getstate(win->id);
 946                 if (!XGetWindowAttributes(display, win->id, &wa))
 947                         fprintf(stderr, "window: %lu failed "
 948                             "XGetWindowAttributes\n", win->id);
 949                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 950                     "transient: %lu\n",
 951                     win->id, wa.map_state, state, win->transient);
 952         }
 953
 954         fprintf(stderr, "=================================\n");
 955 }
 956 #else
 957 #define dumpevent(e)
 958 void
 959 dumpwins(struct swm_region *r, union arg *args)
 960 {
 961 }
 962 #endif /* SWM_DEBUG */
 963
 964 void                    expose(XEvent *);
 965 void                    keypress(XEvent *);
 966 void                    buttonpress(XEvent *);
 967 void                    configurerequest(XEvent *);
 968 void                    configurenotify(XEvent *);
 969 void                    destroynotify(XEvent *);
 970 void                    enternotify(XEvent *);
 971 void                    focusevent(XEvent *);
 972 void                    mapnotify(XEvent *);
 973 void                    mappingnotify(XEvent *);
 974 void                    maprequest(XEvent *);
 975 void                    propertynotify(XEvent *);
 976 void                    unmapnotify(XEvent *);
 977 void                    visibilitynotify(XEvent *);
 978 void                    clientmessage(XEvent *);
 979
 980 void                    (*handler[LASTEvent])(XEvent *) = {
 981                                 [Expose] = expose,
 982                                 [KeyPress] = keypress,
 983                                 [ButtonPress] = buttonpress,
 984                                 [ConfigureRequest] = configurerequest,
 985                                 [ConfigureNotify] = configurenotify,
 986                                 [DestroyNotify] = destroynotify,
 987                                 [EnterNotify] = enternotify,
 988                                 [FocusIn] = focusevent,
 989                                 [FocusOut] = focusevent,
 990                                 [MapNotify] = mapnotify,
 991                                 [MappingNotify] = mappingnotify,
 992                                 [MapRequest] = maprequest,
 993                                 [PropertyNotify] = propertynotify,
 994                                 [UnmapNotify] = unmapnotify,
 995                                 [VisibilityNotify] = visibilitynotify,
 996                                 [ClientMessage] = clientmessage,
 997 };
 998
 999 void
1000 sighdlr(int sig)
1001 {
1002         int                     saved_errno, status;
1003         pid_t                   pid;
1004
1005         saved_errno = errno;
1006
1007         switch (sig) {
1008         case SIGCHLD:
1009                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1010                         if (pid == -1) {
1011                                 if (errno == EINTR)
1012                                         continue;
1013 #ifdef SWM_DEBUG
1014                                 if (errno != ECHILD)
1015                                         warn("sighdlr: waitpid");
1016 #endif /* SWM_DEBUG */
1017                                 break;
1018                         }
1019                         if (pid == searchpid)
1020                                 search_resp = 1;
1021
1022 #ifdef SWM_DEBUG
1023                         if (WIFEXITED(status)) {
1024                                 if (WEXITSTATUS(status) != 0)
1025                                         warnx("sighdlr: child exit status: %d",
1026                                             WEXITSTATUS(status));
1027                         } else
1028                                 warnx("sighdlr: child is terminated "
1029                                     "abnormally");
1030 #endif /* SWM_DEBUG */
1031                 }
1032                 break;
1033
1034         case SIGHUP:
1035                 restart_wm = 1;
1036                 break;
1037         case SIGINT:
1038         case SIGTERM:
1039         case SIGQUIT:
1040                 running = 0;
1041                 break;
1042         }
1043
1044         errno = saved_errno;
1045 }
1046
1047 unsigned long
1048 name_to_color(char *colorname)
1049 {
1050         Colormap                cmap;
1051         Status                  status;
1052         XColor                  screen_def, exact_def;
1053         unsigned long           result = 0;
1054         char                    cname[32] = "#";
1055
1056         cmap = DefaultColormap(display, screens[0].idx);
1057         status = XAllocNamedColor(display, cmap, colorname,
1058             &screen_def, &exact_def);
1059         if (!status) {
1060                 strlcat(cname, colorname + 2, sizeof cname - 1);
1061                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1062                     &exact_def);
1063         }
1064         if (status)
1065                 result = screen_def.pixel;
1066         else
1067                 fprintf(stderr, "color '%s' not found.\n", colorname);
1068
1069         return (result);
1070 }
1071
1072 void
1073 setscreencolor(char *val, int i, int c)
1074 {
1075         if (i > 0 && i <= ScreenCount(display)) {
1076                 screens[i - 1].c[c].color = name_to_color(val);
1077                 free(screens[i - 1].c[c].name);
1078                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1079                         errx(1, "strdup");
1080         } else if (i == -1) {
1081                 for (i = 0; i < ScreenCount(display); i++) {
1082                         screens[i].c[c].color = name_to_color(val);
1083                         free(screens[i].c[c].name);
1084                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1085                                 errx(1, "strdup");
1086                 }
1087         } else
1088                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1089                     i, ScreenCount(display));
1090 }
1091
1092 void
1093 custom_region(char *val)
1094 {
1095         unsigned int                    sidx, x, y, w, h;
1096
1097         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1098                 errx(1, "invalid custom region, "
1099                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1100         if (sidx < 1 || sidx > ScreenCount(display))
1101                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1102                     sidx, ScreenCount(display));
1103         sidx--;
1104
1105         if (w < 1 || h < 1)
1106                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1107
1108         if (x  < 0 || x > DisplayWidth(display, sidx) ||
1109             y < 0 || y > DisplayHeight(display, sidx) ||
1110             w + x > DisplayWidth(display, sidx) ||
1111             h + y > DisplayHeight(display, sidx)) {
1112                 fprintf(stderr, "ignoring region %ux%u+%u+%u - not within screen boundaries "
1113                     "(%ux%u)\n", w, h, x, y,
1114                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1115                 return;
1116         }
1117
1118         new_region(&screens[sidx], x, y, w, h);
1119 }
1120
1121 void
1122 socket_setnonblock(int fd)
1123 {
1124         int                     flags;
1125
1126         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1127                 err(1, "fcntl F_GETFL");
1128         flags |= O_NONBLOCK;
1129         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1130                 err(1, "fcntl F_SETFL");
1131 }
1132
1133 void
1134 bar_print(struct swm_region *r, char *s)
1135 {
1136         XClearWindow(display, r->bar_window);
1137         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1138         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1139             strlen(s));
1140 }
1141
1142 void
1143 bar_extra_stop(void)
1144 {
1145         if (bar_pipe[0]) {
1146                 close(bar_pipe[0]);
1147                 bzero(bar_pipe, sizeof bar_pipe);
1148         }
1149         if (bar_pid) {
1150                 kill(bar_pid, SIGTERM);
1151                 bar_pid = 0;
1152         }
1153         strlcpy(bar_ext, "", sizeof bar_ext);
1154         bar_extra = 0;
1155 }
1156
1157 void
1158 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1159 {
1160         int                     do_class, do_name;
1161         Status                  status;
1162         XClassHint              *xch = NULL;
1163
1164         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1165             cur_focus != NULL) {
1166                 if ((xch = XAllocClassHint()) == NULL)
1167                         goto out;
1168                 status = XGetClassHint(display, cur_focus->id, xch);
1169                 if (status == BadWindow || status == BadAlloc)
1170                         goto out;
1171                 do_class = (title_class_enabled && xch->res_class != NULL);
1172                 do_name = (title_name_enabled && xch->res_name != NULL);
1173                 if (do_class)
1174                         strlcat(s, xch->res_class, sz);
1175                 if (do_class && do_name)
1176                         strlcat(s, ":", sz);
1177                 if (do_name)
1178                         strlcat(s, xch->res_name, sz);
1179                 strlcat(s, "    ", sz);
1180         }
1181 out:
1182         if (xch)
1183                 XFree(xch);
1184 }
1185
1186 void
1187 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1188 {
1189         char                    *title;
1190
1191         if (window_name_enabled && cur_focus != NULL) {
1192                 XFetchName(display, cur_focus->id, &title);
1193                 if (title) {
1194                         if (cur_focus->floating)
1195                                 strlcat(s, "(f) ", sz);
1196                         strlcat(s, title, sz);
1197                         strlcat(s, " ", sz);
1198                         XFree(title);
1199                 }
1200         }
1201 }
1202
1203 void
1204 bar_update(void)
1205 {
1206         time_t                  tmt;
1207         struct tm               tm;
1208         struct swm_region       *r;
1209         int                     i, x;
1210         size_t                  len;
1211         char                    s[SWM_BAR_MAX];
1212         char                    cn[SWM_BAR_MAX];
1213         char                    loc[SWM_BAR_MAX];
1214         char                    *b;
1215         char                    *stack = "";
1216
1217         if (bar_enabled == 0)
1218                 return;
1219         if (bar_extra && bar_extra_running) {
1220                 /* ignore short reads; it'll correct itself */
1221                 while ((b = fgetln(stdin, &len)) != NULL)
1222                         if (b && b[len - 1] == '\n') {
1223                                 b[len - 1] = '\0';
1224                                 strlcpy(bar_ext, b, sizeof bar_ext);
1225                         }
1226                 if (b == NULL && errno != EAGAIN) {
1227                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1228                             errno, strerror(errno));
1229                         bar_extra_stop();
1230                 }
1231         } else
1232                 strlcpy(bar_ext, "", sizeof bar_ext);
1233
1234         if (clock_enabled == 0)
1235                 strlcpy(s, "", sizeof s);
1236         else {
1237                 time(&tmt);
1238                 localtime_r(&tmt, &tm);
1239                 strftime(s, sizeof s, clock_format, &tm);
1240                 strlcat(s, "    ", sizeof s);
1241         }
1242
1243         for (i = 0; i < ScreenCount(display); i++) {
1244                 x = 1;
1245                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1246                         strlcpy(cn, "", sizeof cn);
1247                         if (r && r->ws) {
1248                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1249                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1250                         }
1251
1252                         if (stack_enabled)
1253                                 stack = r->ws->cur_layout->name;
1254
1255                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1256                             x++, r->ws->idx + 1, stack, s, cn, bar_ext,
1257                             bar_vertext);
1258                         bar_print(r, loc);
1259                 }
1260         }
1261         alarm(bar_delay);
1262 }
1263
1264 void
1265 bar_signal(int sig)
1266 {
1267         bar_alarm = 1;
1268 }
1269
1270 void
1271 bar_toggle(struct swm_region *r, union arg *args)
1272 {
1273         struct swm_region       *tmpr;
1274         int                     i, sc = ScreenCount(display);
1275
1276         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1277
1278         if (bar_enabled)
1279                 for (i = 0; i < sc; i++)
1280                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1281                                 XUnmapWindow(display, tmpr->bar_window);
1282         else
1283                 for (i = 0; i < sc; i++)
1284                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1285                                 XMapRaised(display, tmpr->bar_window);
1286
1287         bar_enabled = !bar_enabled;
1288
1289         stack();
1290         /* must be after stack */
1291         bar_update();
1292 }
1293
1294 void
1295 bar_refresh(void)
1296 {
1297         XSetWindowAttributes    wa;
1298         struct swm_region       *r;
1299         int                     i;
1300
1301         /* do this here because the conf file is in memory */
1302         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1303                 /* launch external status app */
1304                 bar_extra_running = 1;
1305                 if (pipe(bar_pipe) == -1)
1306                         err(1, "pipe error");
1307                 socket_setnonblock(bar_pipe[0]);
1308                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1309                 if (dup2(bar_pipe[0], 0) == -1)
1310                         errx(1, "dup2");
1311                 if (dup2(bar_pipe[1], 1) == -1)
1312                         errx(1, "dup2");
1313                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1314                         err(1, "could not disable SIGPIPE");
1315                 switch (bar_pid = fork()) {
1316                 case -1:
1317                         err(1, "cannot fork");
1318                         break;
1319                 case 0: /* child */
1320                         close(bar_pipe[0]);
1321                         execvp(bar_argv[0], bar_argv);
1322                         err(1, "%s external app failed", bar_argv[0]);
1323                         break;
1324                 default: /* parent */
1325                         close(bar_pipe[1]);
1326                         break;
1327                 }
1328         }
1329
1330         bzero(&wa, sizeof wa);
1331         for (i = 0; i < ScreenCount(display); i++)
1332                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1333                         wa.border_pixel =
1334                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1335                         wa.background_pixel =
1336                             screens[i].c[SWM_S_COLOR_BAR].color;
1337                         XChangeWindowAttributes(display, r->bar_window,
1338                             CWBackPixel | CWBorderPixel, &wa);
1339                 }
1340         bar_update();
1341 }
1342
1343 void
1344 bar_setup(struct swm_region *r)
1345 {
1346         int                     i, x, y;
1347
1348         if (bar_fs) {
1349                 XFreeFont(display, bar_fs);
1350                 bar_fs = NULL;
1351         }
1352
1353         for (i = 0; bar_fonts[i] != NULL; i++) {
1354                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1355                 if (bar_fs) {
1356                         bar_fidx = i;
1357                         break;
1358                 }
1359         }
1360         if (bar_fonts[i] == NULL)
1361                         errx(1, "couldn't load font");
1362         if (bar_fs == NULL)
1363                 errx(1, "couldn't create font structure");
1364
1365         bar_height = bar_fs->ascent + bar_fs->descent + 1 + 2 * bar_border_width;
1366         x = X(r);
1367         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1368
1369         r->bar_window = XCreateSimpleWindow(display,
1370             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width, bar_height - 2 * bar_border_width,
1371             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1372             r->s->c[SWM_S_COLOR_BAR].color);
1373         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1374         XSetFont(display, bar_gc, bar_fs->fid);
1375         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1376         if (bar_enabled)
1377                 XMapRaised(display, r->bar_window);
1378         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1379
1380         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1381                 err(1, "could not install bar_signal");
1382         bar_refresh();
1383 }
1384
1385 void
1386 drain_enter_notify(void)
1387 {
1388         int                     i = 0;
1389         XEvent                  cne;
1390
1391         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1392                 i++;
1393
1394         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1395 }
1396
1397 void
1398 set_win_state(struct ws_win *win, long state)
1399 {
1400         long                    data[] = {state, None};
1401
1402         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1403
1404         if (win == NULL)
1405                 return;
1406
1407         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1408             (unsigned char *)data, 2);
1409 }
1410
1411 long
1412 getstate(Window w)
1413 {
1414         long                    result = -1;
1415         unsigned char           *p = NULL;
1416         unsigned long           n;
1417
1418         if (!get_property(w, astate, 2L, astate, &n, &p))
1419                 return (-1);
1420         if (n != 0)
1421                 result = *((long *)p);
1422         XFree(p);
1423         return (result);
1424 }
1425
1426 void
1427 version(struct swm_region *r, union arg *args)
1428 {
1429         bar_version = !bar_version;
1430         if (bar_version)
1431                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1432                     SWM_VERSION, cvstag);
1433         else
1434                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1435         bar_update();
1436 }
1437
1438 void
1439 client_msg(struct ws_win *win, Atom a)
1440 {
1441         XClientMessageEvent     cm;
1442
1443         if (win == NULL)
1444                 return;
1445
1446         bzero(&cm, sizeof cm);
1447         cm.type = ClientMessage;
1448         cm.window = win->id;
1449         cm.message_type = aprot;
1450         cm.format = 32;
1451         cm.data.l[0] = a;
1452         cm.data.l[1] = CurrentTime;
1453         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1454 }
1455
1456 void
1457 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1458 {
1459         XConfigureEvent         ce;
1460
1461         if (win == NULL)
1462                 return;
1463
1464         if (ev == NULL) {
1465                 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1466                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1467
1468                 ce.type = ConfigureNotify;
1469                 ce.display = display;
1470                 ce.event = win->id;
1471                 ce.window = win->id;
1472                 ce.x = win->g.x;
1473                 ce.y = win->g.y;
1474                 ce.width = win->g.w;
1475                 ce.height = win->g.h;
1476                 ce.border_width = border_width;
1477                 ce.above = None;
1478                 ce.override_redirect = False;
1479         } else {
1480                 DNPRINTF(SWM_D_MISC, "config_win: ev win %lu x %d y %d w %d h %d\n",
1481                     ev->window, ev->x, ev->y, ev->width, ev->height);
1482                 ce.type = ConfigureNotify;
1483                 ce.display = ev->display;
1484                 ce.event = ev->window;
1485                 ce.window = ev->window;
1486                 ce.x = ev->x;
1487                 ce.y = ev->y;
1488                 ce.width = ev->width;
1489                 ce.height = ev->height;
1490                 ce.border_width = ev->border_width;
1491                 ce.above = ev->above;
1492                 ce.override_redirect = False;
1493         }
1494
1495         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1496 }
1497
1498 int
1499 count_win(struct workspace *ws, int count_transient)
1500 {
1501         struct ws_win           *win;
1502         int                     count = 0;
1503
1504         TAILQ_FOREACH(win, &ws->winlist, entry) {
1505                 if (count_transient == 0 && win->floating)
1506                         continue;
1507                 if (count_transient == 0 && win->transient)
1508                         continue;
1509                 if (win->iconic)
1510                         continue;
1511                 count++;
1512         }
1513         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1514
1515         return (count);
1516 }
1517
1518 void
1519 quit(struct swm_region *r, union arg *args)
1520 {
1521         DNPRINTF(SWM_D_MISC, "quit\n");
1522         running = 0;
1523 }
1524
1525 void
1526 unmap_window(struct ws_win *win)
1527 {
1528         if (win == NULL)
1529                 return;
1530
1531         /* don't unmap again */
1532         if (getstate(win->id) == IconicState)
1533                 return;
1534
1535         set_win_state(win, IconicState);
1536
1537         XUnmapWindow(display, win->id);
1538         XSetWindowBorder(display, win->id,
1539             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1540 }
1541
1542 void
1543 unmap_all(void)
1544 {
1545         struct ws_win           *win;
1546         int                     i, j;
1547
1548         for (i = 0; i < ScreenCount(display); i++)
1549                 for (j = 0; j < SWM_WS_MAX; j++)
1550                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1551                                 unmap_window(win);
1552 }
1553
1554 void
1555 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1556 {
1557         XKeyEvent event;
1558
1559         if (win == NULL)
1560                 return;
1561
1562         event.display = display;        /* Ignored, but what the hell */
1563         event.window = win->id;
1564         event.root = win->s->root;
1565         event.subwindow = None;
1566         event.time = CurrentTime;
1567         event.x = win->g.x;
1568         event.y = win->g.y;
1569         event.x_root = 1;
1570         event.y_root = 1;
1571         event.same_screen = True;
1572         event.keycode = XKeysymToKeycode(display, keysym);
1573         event.state = modifiers;
1574
1575         event.type = KeyPress;
1576         XSendEvent(event.display, event.window, True,
1577             KeyPressMask, (XEvent *)&event);
1578
1579         event.type = KeyRelease;
1580         XSendEvent(event.display, event.window, True,
1581             KeyPressMask, (XEvent *)&event);
1582
1583 }
1584
1585 void
1586 restart(struct swm_region *r, union arg *args)
1587 {
1588         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1589
1590         /* disable alarm because the following code may not be interrupted */
1591         alarm(0);
1592         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1593                 errx(1, "can't disable alarm");
1594
1595         bar_extra_stop();
1596         bar_extra = 1;
1597         unmap_all();
1598         XCloseDisplay(display);
1599         execvp(start_argv[0], start_argv);
1600         fprintf(stderr, "execvp failed\n");
1601         perror(" failed");
1602         quit(NULL, NULL);
1603 }
1604
1605 struct swm_region *
1606 root_to_region(Window root)
1607 {
1608         struct swm_region       *r = NULL;
1609         Window                  rr, cr;
1610         int                     i, x, y, wx, wy;
1611         unsigned int            mask;
1612
1613         for (i = 0; i < ScreenCount(display); i++)
1614                 if (screens[i].root == root)
1615                         break;
1616
1617         if (XQueryPointer(display, screens[i].root,
1618             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1619                 /* choose a region based on pointer location */
1620                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1621                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1622                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1623                                 break;
1624         }
1625
1626         if (r == NULL)
1627                 r = TAILQ_FIRST(&screens[i].rl);
1628
1629         return (r);
1630 }
1631
1632 struct ws_win *
1633 find_unmanaged_window(Window id)
1634 {
1635         struct ws_win           *win;
1636         int                     i, j;
1637
1638         for (i = 0; i < ScreenCount(display); i++)
1639                 for (j = 0; j < SWM_WS_MAX; j++)
1640                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1641                             entry)
1642                                 if (id == win->id)
1643                                         return (win);
1644         return (NULL);
1645 }
1646
1647 struct ws_win *
1648 find_window(Window id)
1649 {
1650         struct ws_win           *win;
1651         Window                  wrr, wpr, *wcr = NULL;
1652         int                     i, j;
1653         unsigned int            nc;
1654
1655         for (i = 0; i < ScreenCount(display); i++)
1656                 for (j = 0; j < SWM_WS_MAX; j++)
1657                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1658                                 if (id == win->id)
1659                                         return (win);
1660
1661         /* if we were looking for the parent return that window instead */
1662         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1663                 return (NULL);
1664         if (wcr)
1665                 XFree(wcr);
1666
1667         /* ignore not found and root */
1668         if (wpr == 0 || wrr == wpr)
1669                 return (NULL);
1670
1671         /* look for parent */
1672         for (i = 0; i < ScreenCount(display); i++)
1673                 for (j = 0; j < SWM_WS_MAX; j++)
1674                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1675                                 if (wpr == win->id)
1676                                         return (win);
1677
1678         return (NULL);
1679 }
1680
1681 void
1682 spawn(struct swm_region *r, union arg *args, int close_fd)
1683 {
1684         int                     fd;
1685         char                    *ret = NULL;
1686
1687         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1688
1689         if (display)
1690                 close(ConnectionNumber(display));
1691
1692         setenv("LD_PRELOAD", SWM_LIB, 1);
1693
1694         if (asprintf(&ret, "%d", r->ws->idx) == -1) {
1695                 perror("_SWM_WS");
1696                 _exit(1);
1697         }
1698         setenv("_SWM_WS", ret, 1);
1699         free(ret);
1700         ret = NULL;
1701
1702         if (asprintf(&ret, "%d", getpid()) == -1) {
1703                 perror("_SWM_PID");
1704                 _exit(1);
1705         }
1706         setenv("_SWM_PID", ret, 1);
1707         free(ret);
1708         ret = NULL;
1709
1710         if (setsid() == -1) {
1711                 perror("setsid");
1712                 _exit(1);
1713         }
1714
1715         if (close_fd) {
1716                 /*
1717                  * close stdin and stdout to prevent interaction between apps
1718                  * and the baraction script
1719                  * leave stderr open to record errors
1720                 */
1721                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1722                         perror("open");
1723                         _exit(1);
1724                 }
1725                 dup2(fd, STDIN_FILENO);
1726                 dup2(fd, STDOUT_FILENO);
1727                 if (fd > 2)
1728                         close(fd);
1729         }
1730
1731         execvp(args->argv[0], args->argv);
1732
1733         perror("execvp");
1734         _exit(1);
1735 }
1736
1737 void
1738 spawnterm(struct swm_region *r, union arg *args)
1739 {
1740         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1741
1742         if (term_width)
1743                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1744         if (fork() == 0)
1745                 spawn(r, args, 1);
1746 }
1747
1748 void
1749 kill_refs(struct ws_win *win)
1750 {
1751         int                     i, x;
1752         struct swm_region       *r;
1753         struct workspace        *ws;
1754
1755         if (win == NULL)
1756                 return;
1757
1758         for (i = 0; i < ScreenCount(display); i++)
1759                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1760                         for (x = 0; x < SWM_WS_MAX; x++) {
1761                                 ws = &r->s->ws[x];
1762                                 if (win == ws->focus)
1763                                         ws->focus = NULL;
1764                                 if (win == ws->focus_prev)
1765                                         ws->focus_prev = NULL;
1766                         }
1767 }
1768
1769 int
1770 validate_win(struct ws_win *testwin)
1771 {
1772         struct ws_win           *win;
1773         struct workspace        *ws;
1774         struct swm_region       *r;
1775         int                     i, x, foundit = 0;
1776
1777         if (testwin == NULL)
1778                 return(0);
1779
1780         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1781                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1782                         for (x = 0; x < SWM_WS_MAX; x++) {
1783                                 ws = &r->s->ws[x];
1784                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1785                                         if (win == testwin)
1786                                                 return (0);
1787                         }
1788         return (1);
1789 }
1790
1791 int
1792 validate_ws(struct workspace *testws)
1793 {
1794         struct swm_region       *r;
1795         struct workspace        *ws;
1796         int                     foundit, i, x;
1797
1798         /* validate all ws */
1799         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1800                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1801                         for (x = 0; x < SWM_WS_MAX; x++) {
1802                                 ws = &r->s->ws[x];
1803                                 if (ws == testws)
1804                                         return (0);
1805                         }
1806         return (1);
1807 }
1808
1809 void
1810 unfocus_win(struct ws_win *win)
1811 {
1812         XEvent                  cne;
1813         Window                  none = None;
1814
1815         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1816
1817         if (win == NULL)
1818                 return;
1819         if (win->ws == NULL)
1820                 return;
1821
1822         if (validate_ws(win->ws))
1823                 return; /* XXX this gets hit with thunderbird, needs fixing */
1824
1825         if (win->ws->r == NULL)
1826                 return;
1827
1828         if (validate_win(win)) {
1829                 kill_refs(win);
1830                 return;
1831         }
1832
1833         if (win->ws->focus == win) {
1834                 win->ws->focus = NULL;
1835                 win->ws->focus_prev = win;
1836         }
1837
1838         if (validate_win(win->ws->focus)) {
1839                 kill_refs(win->ws->focus);
1840                 win->ws->focus = NULL;
1841         }
1842         if (validate_win(win->ws->focus_prev)) {
1843                 kill_refs(win->ws->focus_prev);
1844                 win->ws->focus_prev = NULL;
1845         }
1846
1847         /* drain all previous unfocus events */
1848         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1849                 ;
1850
1851         grabbuttons(win, 0);
1852         XSetWindowBorder(display, win->id,
1853             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1854
1855         XChangeProperty(display, win->s->root,
1856             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1857             PropModeReplace, (unsigned char *)&none,1);
1858 }
1859
1860 void
1861 unfocus_all(void)
1862 {
1863         struct ws_win           *win;
1864         int                     i, j;
1865
1866         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1867
1868         for (i = 0; i < ScreenCount(display); i++)
1869                 for (j = 0; j < SWM_WS_MAX; j++)
1870                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1871                                 unfocus_win(win);
1872 }
1873
1874 void
1875 focus_win(struct ws_win *win)
1876 {
1877         XEvent                  cne;
1878         Window                  cur_focus;
1879         int                     rr;
1880         struct ws_win           *cfw = NULL;
1881
1882
1883         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1884
1885         if (win == NULL)
1886                 return;
1887         if (win->ws == NULL)
1888                 return;
1889
1890         if (validate_ws(win->ws))
1891                 return; /* XXX this gets hit with thunderbird, needs fixing */
1892
1893         if (validate_win(win)) {
1894                 kill_refs(win);
1895                 return;
1896         }
1897
1898         if (validate_win(win)) {
1899                 kill_refs(win);
1900                 return;
1901         }
1902
1903         XGetInputFocus(display, &cur_focus, &rr);
1904         if ((cfw = find_window(cur_focus)) != NULL)
1905                 unfocus_win(cfw);
1906
1907         win->ws->focus = win;
1908
1909         if (win->ws->r != NULL) {
1910                 /* drain all previous focus events */
1911                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
1912                         ;
1913
1914                 if (win->java == 0)
1915                         XSetInputFocus(display, win->id,
1916                             RevertToParent, CurrentTime);
1917                 XMapRaised(display, win->id);
1918                 grabbuttons(win, 1);
1919                 XSetWindowBorder(display, win->id,
1920                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1921                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1922                         XMapRaised(display, win->id);
1923
1924                 XChangeProperty(display, win->s->root,
1925                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1926                     PropModeReplace, (unsigned char *)&win->id,1);
1927         }
1928
1929         if (window_name_enabled)
1930                 bar_update();
1931 }
1932
1933 void
1934 switchws(struct swm_region *r, union arg *args)
1935 {
1936         int                     wsid = args->id, unmap_old = 0;
1937         struct swm_region       *this_r, *other_r;
1938         struct ws_win           *win;
1939         struct workspace        *new_ws, *old_ws;
1940         union arg               a;
1941
1942         if (!(r && r->s))
1943                 return;
1944
1945         this_r = r;
1946         old_ws = this_r->ws;
1947         new_ws = &this_r->s->ws[wsid];
1948
1949         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1950             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1951             old_ws->idx, wsid);
1952
1953         if (new_ws == NULL || old_ws == NULL)
1954                 return;
1955         if (new_ws == old_ws)
1956                 return;
1957
1958         other_r = new_ws->r;
1959         if (other_r == NULL) {
1960                 /* the other workspace is hidden, hide this one */
1961                 old_ws->r = NULL;
1962                 unmap_old = 1;
1963         } else {
1964                 /* the other ws is visible in another region, exchange them */
1965                 other_r->ws_prior = new_ws;
1966                 other_r->ws = old_ws;
1967                 old_ws->r = other_r;
1968         }
1969         this_r->ws_prior = old_ws;
1970         this_r->ws = new_ws;
1971         new_ws->r = this_r;
1972
1973         stack();
1974         a.id = SWM_ARG_ID_FOCUSCUR;
1975         focus(new_ws->r, &a);
1976
1977         bar_update();
1978
1979         /* unmap old windows */
1980         if (unmap_old)
1981                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1982                         unmap_window(win);
1983
1984         if (focus_mode == SWM_FOCUS_DEFAULT)
1985                 drain_enter_notify();
1986 }
1987
1988 void
1989 cyclews(struct swm_region *r, union arg *args)
1990 {
1991         union                   arg a;
1992         struct swm_screen       *s = r->s;
1993
1994         DNPRINTF(SWM_D_WS, "cyclews id %d "
1995             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1996             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1997
1998         a.id = r->ws->idx;
1999         do {
2000                 switch (args->id) {
2001                 case SWM_ARG_ID_CYCLEWS_UP:
2002                         if (a.id < SWM_WS_MAX - 1)
2003                                 a.id++;
2004                         else
2005                                 a.id = 0;
2006                         break;
2007                 case SWM_ARG_ID_CYCLEWS_DOWN:
2008                         if (a.id > 0)
2009                                 a.id--;
2010                         else
2011                                 a.id = SWM_WS_MAX - 1;
2012                         break;
2013                 default:
2014                         return;
2015                 };
2016
2017                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2018                         continue;
2019                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2020                         continue;
2021
2022                 switchws(r, &a);
2023         } while (a.id != r->ws->idx);
2024 }
2025
2026 void
2027 priorws(struct swm_region *r, union arg *args)
2028 {
2029         union arg               a;
2030
2031         DNPRINTF(SWM_D_WS, "priorws id %d "
2032             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2033             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2034
2035         if (r->ws_prior == NULL)
2036                 return;
2037
2038         a.id = r->ws_prior->idx;
2039         switchws(r, &a);
2040 }
2041
2042 void
2043 cyclescr(struct swm_region *r, union arg *args)
2044 {
2045         struct swm_region       *rr = NULL;
2046         union arg               a;
2047         int                     i, x, y;
2048
2049         /* do nothing if we don't have more than one screen */
2050         if (!(ScreenCount(display) > 1 || outputs > 1))
2051                 return;
2052
2053         i = r->s->idx;
2054         switch (args->id) {
2055         case SWM_ARG_ID_CYCLESC_UP:
2056                 rr = TAILQ_NEXT(r, entry);
2057                 if (rr == NULL)
2058                         rr = TAILQ_FIRST(&screens[i].rl);
2059                 break;
2060         case SWM_ARG_ID_CYCLESC_DOWN:
2061                 rr = TAILQ_PREV(r, swm_region_list, entry);
2062                 if (rr == NULL)
2063                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2064                 break;
2065         default:
2066                 return;
2067         };
2068         if (rr == NULL)
2069                 return;
2070
2071         /* move mouse to region */
2072         x = rr->g.x + 1;
2073         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2074         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2075
2076         a.id = SWM_ARG_ID_FOCUSCUR;
2077         focus(rr, &a);
2078
2079         if (rr->ws->focus) {
2080                 /* move to focus window */
2081                 x = rr->ws->focus->g.x + 1;
2082                 y = rr->ws->focus->g.y + 1;
2083                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2084         }
2085 }
2086
2087 void
2088 sort_windows(struct ws_win_list *wl)
2089 {
2090         struct ws_win           *win, *parent, *nxt;
2091
2092         if (wl == NULL)
2093                 return;
2094
2095         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2096                 nxt = TAILQ_NEXT(win, entry);
2097                 if (win->transient) {
2098                         parent = find_window(win->transient);
2099                         if (parent == NULL) {
2100                                 fprintf(stderr, "not possible bug\n");
2101                                 continue;
2102                         }
2103                         TAILQ_REMOVE(wl, win, entry);
2104                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2105                 }
2106         }
2107
2108 }
2109
2110 void
2111 swapwin(struct swm_region *r, union arg *args)
2112 {
2113         struct ws_win           *target, *source;
2114         struct ws_win           *cur_focus;
2115         struct ws_win_list      *wl;
2116
2117
2118         DNPRINTF(SWM_D_WS, "swapwin id %d "
2119             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2120             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2121
2122         cur_focus = r->ws->focus;
2123         if (cur_focus == NULL)
2124                 return;
2125
2126         source = cur_focus;
2127         wl = &source->ws->winlist;
2128
2129         switch (args->id) {
2130         case SWM_ARG_ID_SWAPPREV:
2131                 if (source->transient)
2132                         source = find_window(source->transient);
2133                 target = TAILQ_PREV(source, ws_win_list, entry);
2134                 if (target && target->transient)
2135                         target = find_window(target->transient);
2136                 TAILQ_REMOVE(wl, source, entry);
2137                 if (target == NULL)
2138                         TAILQ_INSERT_TAIL(wl, source, entry);
2139                 else
2140                         TAILQ_INSERT_BEFORE(target, source, entry);
2141                 break;
2142         case SWM_ARG_ID_SWAPNEXT:
2143                 target = TAILQ_NEXT(source, entry);
2144                 /* move the parent and let the sort handle the move */
2145                 if (source->transient)
2146                         source = find_window(source->transient);
2147                 TAILQ_REMOVE(wl, source, entry);
2148                 if (target == NULL)
2149                         TAILQ_INSERT_HEAD(wl, source, entry);
2150                 else
2151                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2152                 break;
2153         case SWM_ARG_ID_SWAPMAIN:
2154                 target = TAILQ_FIRST(wl);
2155                 if (target == source) {
2156                         if (source->ws->focus_prev != NULL &&
2157                             source->ws->focus_prev != target)
2158
2159                                 source = source->ws->focus_prev;
2160                         else
2161                                 return;
2162                 }
2163                 if (target == NULL || source == NULL)
2164                         return;
2165                 source->ws->focus_prev = target;
2166                 TAILQ_REMOVE(wl, target, entry);
2167                 TAILQ_INSERT_BEFORE(source, target, entry);
2168                 TAILQ_REMOVE(wl, source, entry);
2169                 TAILQ_INSERT_HEAD(wl, source, entry);
2170                 break;
2171         case SWM_ARG_ID_MOVELAST:
2172                 TAILQ_REMOVE(wl, source, entry);
2173                 TAILQ_INSERT_TAIL(wl, source, entry);
2174                 break;
2175         default:
2176                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2177                 return;
2178         }
2179
2180         sort_windows(wl);
2181
2182         stack();
2183 }
2184
2185 void
2186 focus_prev(struct ws_win *win)
2187 {
2188         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2189         struct ws_win           *cur_focus = NULL;
2190         struct ws_win_list      *wl = NULL;
2191         struct workspace        *ws = NULL;
2192
2193         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2194
2195         if (!(win && win->ws))
2196                 return;
2197
2198         ws = win->ws;
2199         wl = &ws->winlist;
2200         cur_focus = ws->focus;
2201         winlostfocus = cur_focus;
2202
2203         /* pickle, just focus on whatever */
2204         if (cur_focus == NULL) {
2205                 /* use prev_focus if valid */
2206                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2207                     find_window(WINID(ws->focus_prev)))
2208                         winfocus = ws->focus_prev;
2209                 if (winfocus == NULL)
2210                         winfocus = TAILQ_FIRST(wl);
2211                 goto done;
2212         }
2213
2214         /* if transient focus on parent */
2215         if (cur_focus->transient) {
2216                 winfocus = find_window(cur_focus->transient);
2217                 goto done;
2218         }
2219
2220         /* if in max_stack try harder */
2221         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2222             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2223                 if (cur_focus != ws->focus_prev)
2224                         winfocus = ws->focus_prev;
2225                 else if (cur_focus != ws->focus)
2226                         winfocus = ws->focus;
2227                 else
2228                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2229                 if (winfocus)
2230                         goto done;
2231         }
2232
2233         if (cur_focus == win)
2234                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2235         if (winfocus == NULL)
2236                 winfocus = TAILQ_LAST(wl, ws_win_list);
2237         if (winfocus == NULL || winfocus == win)
2238                 winfocus = TAILQ_NEXT(cur_focus, entry);
2239 done:
2240         if (winfocus == winlostfocus || winfocus == NULL)
2241                 return;
2242
2243         focus_magic(winfocus);
2244 }
2245
2246 void
2247 focus(struct swm_region *r, union arg *args)
2248 {
2249         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2250         struct ws_win           *cur_focus = NULL;
2251         struct ws_win_list      *wl = NULL;
2252         struct workspace        *ws = NULL;
2253
2254         if (!(r && r->ws))
2255                 return;
2256
2257         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2258
2259         /* treat FOCUS_CUR special */
2260         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2261                 if (r->ws->focus && r->ws->focus->iconic == 0)
2262                         winfocus = r->ws->focus;
2263                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2264                         winfocus = r->ws->focus_prev;
2265                 else
2266                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2267                                 if (winfocus->iconic == 0)
2268                                         break;
2269
2270                 focus_magic(winfocus);
2271                 return;
2272         }
2273
2274         if ((cur_focus = r->ws->focus) == NULL)
2275                 return;
2276         ws = r->ws;
2277         wl = &ws->winlist;
2278
2279         winlostfocus = cur_focus;
2280
2281         switch (args->id) {
2282         case SWM_ARG_ID_FOCUSPREV:
2283                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2284                 if (head == NULL)
2285                         head = TAILQ_LAST(wl, ws_win_list);
2286                 winfocus = head;
2287                 if (WINID(winfocus) == cur_focus->transient) {
2288                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2289                         if (head == NULL)
2290                                 head = TAILQ_LAST(wl, ws_win_list);
2291                         winfocus = head;
2292                 }
2293
2294                 /* skip iconics */
2295                 if (winfocus && winfocus->iconic) {
2296                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2297                                 if (winfocus->iconic == 0)
2298                                         break;
2299                 }
2300                 break;
2301
2302         case SWM_ARG_ID_FOCUSNEXT:
2303                 head = TAILQ_NEXT(cur_focus, entry);
2304                 if (head == NULL)
2305                         head = TAILQ_FIRST(wl);
2306                 winfocus = head;
2307
2308                 /* skip iconics */
2309                 if (winfocus && winfocus->iconic) {
2310                         TAILQ_FOREACH(winfocus, wl, entry)
2311                                 if (winfocus->iconic == 0)
2312                                         break;
2313                 }
2314                 break;
2315
2316         case SWM_ARG_ID_FOCUSMAIN:
2317                 winfocus = TAILQ_FIRST(wl);
2318                 if (winfocus == cur_focus)
2319                         winfocus = cur_focus->ws->focus_prev;
2320                 break;
2321
2322         default:
2323                 return;
2324         }
2325         if (winfocus == winlostfocus || winfocus == NULL)
2326                 return;
2327
2328         focus_magic(winfocus);
2329 }
2330
2331 void
2332 cycle_layout(struct swm_region *r, union arg *args)
2333 {
2334         struct workspace        *ws = r->ws;
2335         struct ws_win           *winfocus;
2336         union arg               a;
2337
2338         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2339
2340         winfocus = ws->focus;
2341
2342         ws->cur_layout++;
2343         if (ws->cur_layout->l_stack == NULL)
2344                 ws->cur_layout = &layouts[0];
2345
2346         stack();
2347         if (focus_mode == SWM_FOCUS_DEFAULT)
2348                 drain_enter_notify();
2349         a.id = SWM_ARG_ID_FOCUSCUR;
2350         focus(r, &a);
2351         bar_update();
2352 }
2353
2354 void
2355 stack_config(struct swm_region *r, union arg *args)
2356 {
2357         struct workspace        *ws = r->ws;
2358
2359         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2360             args->id, ws->idx);
2361
2362         if (ws->cur_layout->l_config != NULL)
2363                 ws->cur_layout->l_config(ws, args->id);
2364
2365         if (args->id != SWM_ARG_ID_STACKINIT);
2366                 stack();
2367 }
2368
2369 void
2370 stack(void) {
2371         struct swm_geometry     g;
2372         struct swm_region       *r;
2373         int                     i, j;
2374
2375         DNPRINTF(SWM_D_STACK, "stack\n");
2376
2377         for (i = 0; i < ScreenCount(display); i++) {
2378                 j = 0;
2379                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2380                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2381                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2382
2383                         /* start with screen geometry, adjust for bar */
2384                         g = r->g;
2385                         g.w -= 2 * border_width;
2386                         g.h -= 2 * border_width;
2387                         if (bar_enabled) {
2388                                 if (!bar_at_bottom)
2389                                         g.y += bar_height;
2390                                 g.h -= bar_height;
2391                         }
2392                         r->ws->cur_layout->l_stack(r->ws, &g);
2393                         /* save r so we can track region changes */
2394                         r->ws->old_r = r;
2395                 }
2396         }
2397         if (font_adjusted)
2398                 font_adjusted--;
2399
2400         if (focus_mode == SWM_FOCUS_DEFAULT)
2401                 drain_enter_notify();
2402 }
2403
2404 void
2405 store_float_geom(struct ws_win *win, struct swm_region *r)
2406 {
2407         /* retain window geom and region geom */
2408         win->g_float.x = win->g.x;
2409         win->g_float.y = win->g.y;
2410         win->g_float.w = win->g.w;
2411         win->g_float.h = win->g.h;
2412         win->rg_float.x = r->g.x;
2413         win->rg_float.y = r->g.y;
2414         win->rg_float.w = r->g.w;
2415         win->rg_float.h = r->g.h;
2416         win->g_floatvalid = 1;
2417 }
2418
2419 void
2420 stack_floater(struct ws_win *win, struct swm_region *r)
2421 {
2422         unsigned int            mask;
2423         XWindowChanges          wc;
2424
2425         if (win == NULL)
2426                 return;
2427
2428         bzero(&wc, sizeof wc);
2429         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2430
2431         /*
2432          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2433          * geom on ws switches or return from max mode
2434          */
2435
2436         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2437             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2438                 /*
2439                  * use stored g and rg to set relative position and size
2440                  * as in old region or before max stack mode
2441                  */
2442                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2443                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2444                 win->g.w = win->g_float.w;
2445                 win->g.h = win->g_float.h;
2446                 win->g_floatvalid = 0;
2447         }
2448
2449         win->floatmaxed = 0;
2450
2451         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2452             (win->g.h >= HEIGHT(r)))
2453                 wc.border_width = 0;
2454         else
2455                 wc.border_width = border_width;
2456         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2457                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2458                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2459         }
2460
2461         if (!win->manual) {
2462                 /*
2463                  * floaters and transients are auto-centred unless moved
2464                  * or resized
2465                  */
2466                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) / 2 - wc.border_width;
2467                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) / 2 - wc.border_width;
2468         }
2469
2470         /* win can be outside r if new r smaller than old r */
2471         /* Ensure top left corner inside r (move probs otherwise) */
2472         if (win->g.x < r->g.x - wc.border_width)
2473                 win->g.x = r->g.x - wc.border_width;
2474         if (win->g.x > r->g.x + r->g.w - 1)
2475                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2476                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2477         if (win->g.y < r->g.y - wc.border_width)
2478                 win->g.y = r->g.y - wc.border_width;
2479         if (win->g.y > r->g.y + r->g.h - 1)
2480                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2481                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2482
2483         wc.x = win->g.x;
2484         wc.y = win->g.y;
2485         wc.width = win->g.w;
2486         wc.height = win->g.h;
2487
2488         /*
2489          * Retain floater and transient geometry for correct positioning
2490          * when ws changes region
2491          */
2492         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2493                 store_float_geom(win, r);
2494
2495         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2496             win->id, wc.x, wc.y, wc.width, wc.height);
2497
2498         XConfigureWindow(display, win->id, mask, &wc);
2499 }
2500
2501 /*
2502  * Send keystrokes to terminal to decrease/increase the font size as the
2503  * window size changes.
2504  */
2505 void
2506 adjust_font(struct ws_win *win)
2507 {
2508         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2509             win->floating || win->transient)
2510                 return;
2511
2512         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2513             win->g.w / win->sh.width_inc < term_width &&
2514             win->font_steps < SWM_MAX_FONT_STEPS) {
2515                 win->font_size_boundary[win->font_steps] =
2516                     (win->sh.width_inc * term_width) + win->sh.base_width;
2517                 win->font_steps++;
2518                 font_adjusted++;
2519                 win->last_inc = win->sh.width_inc;
2520                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2521         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2522             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2523                 win->font_steps--;
2524                 font_adjusted++;
2525                 win->last_inc = win->sh.width_inc;
2526                 fake_keypress(win, XK_KP_Add, ShiftMask);
2527         }
2528 }
2529
2530 #define SWAPXY(g)       do {                            \
2531         int tmp;                                        \
2532         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2533         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2534 } while (0)
2535 void
2536 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2537 {
2538         XWindowChanges          wc;
2539         XWindowAttributes       wa;
2540         struct swm_geometry     win_g, r_g = *g;
2541         struct ws_win           *win, *fs_win = 0;
2542         int                     i, j, s, stacks;
2543         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2544         int                     hrh, extra = 0, h_slice, last_h = 0;
2545         int                     split, colno, winno, mwin, msize, mscale;
2546         int                     remain, missing, v_slice, reconfigure;
2547         unsigned int            mask;
2548
2549         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2550             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2551
2552         winno = count_win(ws, 0);
2553         if (winno == 0 && count_win(ws, 1) == 0)
2554                 return;
2555
2556         TAILQ_FOREACH(win, &ws->winlist, entry)
2557                 if (win->transient == 0 && win->floating == 0 && win->iconic == 0)
2558                         break;
2559
2560         if (win == NULL)
2561                 goto notiles;
2562
2563         if (rot) {
2564                 w_inc = win->sh.width_inc;
2565                 w_base = win->sh.base_width;
2566                 mwin = ws->l_state.horizontal_mwin;
2567                 mscale = ws->l_state.horizontal_msize;
2568                 stacks = ws->l_state.horizontal_stacks;
2569                 SWAPXY(&r_g);
2570         } else {
2571                 w_inc = win->sh.height_inc;
2572                 w_base = win->sh.base_height;
2573                 mwin = ws->l_state.vertical_mwin;
2574                 mscale = ws->l_state.vertical_msize;
2575                 stacks = ws->l_state.vertical_stacks;
2576         }
2577         win_g = r_g;
2578
2579         if (stacks > winno - mwin)
2580                 stacks = winno - mwin;
2581         if (stacks < 1)
2582                 stacks = 1;
2583
2584         h_slice = r_g.h / SWM_H_SLICE;
2585         if (mwin && winno > mwin) {
2586                 v_slice = r_g.w / SWM_V_SLICE;
2587
2588                 split = mwin;
2589                 colno = split;
2590                 win_g.w = v_slice * mscale;
2591
2592                 if (w_inc > 1 && w_inc < v_slice) {
2593                         /* adjust for window's requested size increment */
2594                         remain = (win_g.w - w_base) % w_inc;
2595                         missing = w_inc - remain;
2596                         win_g.w -= remain;
2597                         extra += remain;
2598                 }
2599
2600                 msize = win_g.w;
2601                 if (flip)
2602                         win_g.x += r_g.w - msize;
2603         } else {
2604                 msize = -2;
2605                 colno = split = winno / stacks;
2606                 win_g.w = ((r_g.w - (stacks * 2 * border_width) + 2 * border_width) / stacks);
2607         }
2608         hrh = r_g.h / colno;
2609         extra = r_g.h - (colno * hrh);
2610         win_g.h = hrh - 2 * border_width;
2611
2612         /*  stack all the tiled windows */
2613         i = j = 0, s = stacks;
2614         TAILQ_FOREACH(win, &ws->winlist, entry) {
2615                 if (win->transient != 0 || win->floating != 0)
2616                         continue;
2617                 if (win->iconic != 0)
2618                         continue;
2619
2620                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2621                         fs_win = win;
2622                         continue;
2623                 }
2624
2625                 if (split && i == split) {
2626                         colno = (winno - mwin) / stacks;
2627                         if (s <= (winno - mwin) % stacks)
2628                                 colno++;
2629                         split = split + colno;
2630                         hrh = (r_g.h / colno);
2631                         extra = r_g.h - (colno * hrh);
2632                         if (flip)
2633                                 win_g.x = r_g.x;
2634                         else
2635                                 win_g.x += win_g.w + 2 * border_width;
2636                         win_g.w = (r_g.w - msize - (stacks * 2 * border_width)) / stacks;
2637                         if (s == 1)
2638                                 win_g.w += (r_g.w - msize - (stacks * 2 * border_width)) %
2639                                     stacks;
2640                         s--;
2641                         j = 0;
2642                 }
2643                 win_g.h = hrh - 2 * border_width;
2644                 if (rot) {
2645                         h_inc = win->sh.width_inc;
2646                         h_base = win->sh.base_width;
2647                 } else {
2648                         h_inc = win->sh.height_inc;
2649                         h_base = win->sh.base_height;
2650                 }
2651                 if (j == colno - 1) {
2652                         win_g.h = hrh + extra;
2653                 } else if (h_inc > 1 && h_inc < h_slice) {
2654                         /* adjust for window's requested size increment */
2655                         remain = (win_g.h - h_base) % h_inc;
2656                         missing = h_inc - remain;
2657
2658                         if (missing <= extra || j == 0) {
2659                                 extra -= missing;
2660                                 win_g.h += missing;
2661                         } else {
2662                                 win_g.h -= remain;
2663                                 extra += remain;
2664                         }
2665                 }
2666
2667                 if (j == 0)
2668                         win_g.y = r_g.y;
2669                 else
2670                         win_g.y += last_h + 2 * border_width;
2671
2672                 bzero(&wc, sizeof wc);
2673                 if (disable_border && bar_enabled == 0 && winno == 1){
2674                         wc.border_width = 0;
2675                         win_g.w += 2 * border_width;
2676                         win_g.h += 2 * border_width;
2677                 } else
2678                         wc.border_width = border_width;
2679                 reconfigure = 0;
2680                 if (rot) {
2681                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2682                             win->g.w != win_g.h || win->g.h != win_g.w) {
2683                                 reconfigure = 1;
2684                                 win->g.x = wc.x = win_g.y;
2685                                 win->g.y = wc.y = win_g.x;
2686                                 win->g.w = wc.width = win_g.h;
2687                                 win->g.h = wc.height = win_g.w;
2688                         }
2689                 } else {
2690                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2691                             win->g.w != win_g.w || win->g.h != win_g.h) {
2692                                 reconfigure = 1;
2693                                 win->g.x = wc.x = win_g.x;
2694                                 win->g.y = wc.y = win_g.y;
2695                                 win->g.w = wc.width = win_g.w;
2696                                 win->g.h = wc.height = win_g.h;
2697                         }
2698                 }
2699                 if (reconfigure) {
2700                         adjust_font(win);
2701                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2702                         XConfigureWindow(display, win->id, mask, &wc);
2703                 }
2704
2705                 if (XGetWindowAttributes(display, win->id, &wa))
2706                         if (wa.map_state == IsUnmapped)
2707                                 XMapRaised(display, win->id);
2708
2709                 last_h = win_g.h;
2710                 i++;
2711                 j++;
2712         }
2713
2714 notiles:
2715         /* now, stack all the floaters and transients */
2716         TAILQ_FOREACH(win, &ws->winlist, entry) {
2717                 if (win->transient == 0 && win->floating == 0)
2718                         continue;
2719                 if (win->iconic == 1)
2720                         continue;
2721                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2722                         fs_win = win;
2723                         continue;
2724                 }
2725
2726                 stack_floater(win, ws->r);
2727                 XMapRaised(display, win->id);
2728         }
2729
2730         if (fs_win) {
2731                 stack_floater(fs_win, ws->r);
2732                 XMapRaised(display, fs_win->id);
2733         }
2734 }
2735
2736 void
2737 vertical_config(struct workspace *ws, int id)
2738 {
2739         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2740
2741         switch (id) {
2742         case SWM_ARG_ID_STACKRESET:
2743         case SWM_ARG_ID_STACKINIT:
2744                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2745                 ws->l_state.vertical_mwin = 1;
2746                 ws->l_state.vertical_stacks = 1;
2747                 break;
2748         case SWM_ARG_ID_MASTERSHRINK:
2749                 if (ws->l_state.vertical_msize > 1)
2750                         ws->l_state.vertical_msize--;
2751                 break;
2752         case SWM_ARG_ID_MASTERGROW:
2753                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2754                         ws->l_state.vertical_msize++;
2755                 break;
2756         case SWM_ARG_ID_MASTERADD:
2757                 ws->l_state.vertical_mwin++;
2758                 break;
2759         case SWM_ARG_ID_MASTERDEL:
2760                 if (ws->l_state.vertical_mwin > 0)
2761                         ws->l_state.vertical_mwin--;
2762                 break;
2763         case SWM_ARG_ID_STACKINC:
2764                 ws->l_state.vertical_stacks++;
2765                 break;
2766         case SWM_ARG_ID_STACKDEC:
2767                 if (ws->l_state.vertical_stacks > 1)
2768                         ws->l_state.vertical_stacks--;
2769                 break;
2770         default:
2771                 return;
2772         }
2773 }
2774
2775 void
2776 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2777 {
2778         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2779
2780         stack_master(ws, g, 0, 0);
2781 }
2782
2783 void
2784 horizontal_config(struct workspace *ws, int id)
2785 {
2786         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2787
2788         switch (id) {
2789         case SWM_ARG_ID_STACKRESET:
2790         case SWM_ARG_ID_STACKINIT:
2791                 ws->l_state.horizontal_mwin = 1;
2792                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2793                 ws->l_state.horizontal_stacks = 1;
2794                 break;
2795         case SWM_ARG_ID_MASTERSHRINK:
2796                 if (ws->l_state.horizontal_msize > 1)
2797                         ws->l_state.horizontal_msize--;
2798                 break;
2799         case SWM_ARG_ID_MASTERGROW:
2800                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2801                         ws->l_state.horizontal_msize++;
2802                 break;
2803         case SWM_ARG_ID_MASTERADD:
2804                 ws->l_state.horizontal_mwin++;
2805                 break;
2806         case SWM_ARG_ID_MASTERDEL:
2807                 if (ws->l_state.horizontal_mwin > 0)
2808                         ws->l_state.horizontal_mwin--;
2809                 break;
2810         case SWM_ARG_ID_STACKINC:
2811                 ws->l_state.horizontal_stacks++;
2812                 break;
2813         case SWM_ARG_ID_STACKDEC:
2814                 if (ws->l_state.horizontal_stacks > 1)
2815                         ws->l_state.horizontal_stacks--;
2816                 break;
2817         default:
2818                 return;
2819         }
2820 }
2821
2822 void
2823 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2824 {
2825         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2826
2827         stack_master(ws, g, 1, 0);
2828 }
2829
2830 /* fullscreen view */
2831 void
2832 max_stack(struct workspace *ws, struct swm_geometry *g)
2833 {
2834         XWindowChanges          wc;
2835         struct swm_geometry     gg = *g;
2836         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2837         unsigned int            mask;
2838         int                     winno;
2839
2840         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2841
2842         if (ws == NULL)
2843                 return;
2844
2845         winno = count_win(ws, 0);
2846         if (winno == 0 && count_win(ws, 1) == 0)
2847                 return;
2848
2849         TAILQ_FOREACH(win, &ws->winlist, entry) {
2850                 if (win->transient) {
2851                         wintrans = win;
2852                         parent = find_window(win->transient);
2853                         continue;
2854                 }
2855
2856                 if (win->floating && win->floatmaxed == 0 ) {
2857                         /*
2858                          * retain geometry for retrieval on exit from
2859                          * max_stack mode
2860                          */
2861                         store_float_geom(win, ws->r);
2862                         win->floatmaxed = 1;
2863                 }
2864
2865                 /* only reconfigure if necessary */
2866                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2867                     win->g.h != gg.h) {
2868                         bzero(&wc, sizeof wc);
2869                         win->g.x = wc.x = gg.x;
2870                         win->g.y = wc.y = gg.y;
2871                         if (bar_enabled){
2872                                 wc.border_width = border_width;
2873                                 win->g.w = wc.width = gg.w;
2874                                 win->g.h = wc.height = gg.h;
2875                         } else {
2876                                 wc.border_width = 0;
2877                                 win->g.w = wc.width = gg.w + 2 * border_width;
2878                                 win->g.h = wc.height = gg.h + 2 * border_width;
2879                         }
2880                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2881                         XConfigureWindow(display, win->id, mask, &wc);
2882                 }
2883                 /* unmap only if we don't have multi screen */
2884                 if (win != ws->focus)
2885                         if (!(ScreenCount(display) > 1 || outputs > 1))
2886                                 unmap_window(win);
2887         }
2888
2889         /* put the last transient on top */
2890         if (wintrans) {
2891                 if (parent)
2892                         XMapRaised(display, parent->id);
2893                 stack_floater(wintrans, ws->r);
2894                 focus_magic(wintrans);
2895         }
2896 }
2897
2898 void
2899 send_to_ws(struct swm_region *r, union arg *args)
2900 {
2901         int                     wsid = args->id;
2902         struct ws_win           *win = NULL, *parent;
2903         struct workspace        *ws, *nws;
2904         Atom                    ws_idx_atom = 0;
2905         unsigned char           ws_idx_str[SWM_PROPLEN];
2906         union arg               a;
2907
2908         if (r && r->ws)
2909                 win = r->ws->focus;
2910         else
2911                 return;
2912         if (win == NULL)
2913                 return;
2914         if (win->ws->idx == wsid)
2915                 return;
2916
2917         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2918
2919         ws = win->ws;
2920         nws = &win->s->ws[wsid];
2921
2922         a.id = SWM_ARG_ID_FOCUSPREV;
2923         focus(r, &a);
2924         if (win->transient) {
2925                 parent = find_window(win->transient);
2926                 if (parent) {
2927                         unmap_window(parent);
2928                         TAILQ_REMOVE(&ws->winlist, parent, entry);
2929                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
2930                         parent->ws = nws;
2931                 }
2932         }
2933         unmap_window(win);
2934         TAILQ_REMOVE(&ws->winlist, win, entry);
2935         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2936         win->ws = nws;
2937
2938         /* Try to update the window's workspace property */
2939         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2940         if (ws_idx_atom &&
2941             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2942                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2943                     ws_idx_str);
2944                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2945                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2946         }
2947
2948         stack();
2949 }
2950
2951 void
2952 iconify(struct swm_region *r, union arg *args)
2953 {
2954         union arg a;
2955
2956         if (r->ws->focus == NULL)
2957                 return;
2958         unmap_window(r->ws->focus);
2959         update_iconic(r->ws->focus, 1);
2960         stack();
2961         if (focus_mode == SWM_FOCUS_DEFAULT)
2962                 drain_enter_notify();
2963         r->ws->focus = NULL;
2964         a.id = SWM_ARG_ID_FOCUSCUR;
2965         focus(r, &a);
2966 }
2967
2968 unsigned char *
2969 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
2970     unsigned long *slen)
2971 {
2972         int                     status, retfmt;
2973         unsigned long           nitems, nbytes, nextra;
2974         unsigned char           *prop = NULL;
2975         Atom                    rettype;
2976
2977         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
2978             &rettype, &retfmt,  &nitems, &nbytes, &prop);
2979         if (status != Success)
2980                 return (NULL);
2981         XFree(prop);
2982
2983         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
2984             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
2985         if (status != Success) {
2986                 XFree(prop);
2987                 return (NULL);
2988         }
2989         if (rettype != stype) {
2990                 XFree(prop);
2991                 return (NULL);
2992         }
2993         *slen = nitems;
2994         return (prop);
2995 }
2996
2997 void
2998 uniconify(struct swm_region *r, union arg *args)
2999 {
3000         struct ws_win           *win;
3001         FILE                    *lfile;
3002         char                    *name;
3003         int                     count = 0;
3004         unsigned long           len;
3005
3006         DNPRINTF(SWM_D_MISC, "uniconify\n");
3007
3008         if (r && r->ws == NULL)
3009                 return;
3010
3011         /* make sure we have anything to uniconify */
3012         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3013                 if (win->ws == NULL)
3014                         continue; /* should never happen */
3015                 if (win->iconic == 0)
3016                         continue;
3017                 count++;
3018         }
3019         if (count == 0)
3020                 return;
3021
3022         search_r = r;
3023
3024         spawn_select(r, args, "uniconify", &searchpid);
3025
3026         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3027                 return;
3028
3029         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3030                 if (win->ws == NULL)
3031                         continue; /* should never happen */
3032                 if (win->iconic == 0)
3033                         continue;
3034
3035                 name = get_win_name(display, win->id, a_wmname, a_string,
3036                     &len);
3037                 if (name == NULL)
3038                         continue;
3039                 fprintf(lfile, "%s.%lu\n", name, win->id);
3040                 XFree(name);
3041         }
3042
3043         fclose(lfile);
3044 }
3045
3046 #define MAX_RESP_LEN    1024
3047
3048 void
3049 search_do_resp(void)
3050 {
3051         ssize_t                 rbytes;
3052         struct ws_win           *win;
3053         char                    *name, *resp, *s;
3054         unsigned long           len;
3055
3056         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3057
3058         search_resp = 0;
3059         searchpid = 0;
3060
3061         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3062                 fprintf(stderr, "search: calloc\n");
3063                 return;
3064         }
3065
3066         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3067         if (rbytes <= 0) {
3068                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3069                 goto done;
3070         }
3071         resp[rbytes] = '\0';
3072         len = strlen(resp);
3073
3074         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3075         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3076                 if (win->iconic == 0)
3077                         continue;
3078                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3079                 if (name == NULL)
3080                         continue;
3081                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3082                         XFree(name);
3083                         continue;
3084                 }
3085                 XFree(name);
3086                 if (strncmp(s, resp, len) == 0) {
3087                         /* XXX this should be a callback to generalize */
3088                         update_iconic(win, 0);
3089                         free(s);
3090                         break;
3091                 }
3092                 free(s);
3093         }
3094 done:
3095         free(resp);
3096 }
3097
3098 void
3099 wkill(struct swm_region *r, union arg *args)
3100 {
3101         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3102
3103         if (r->ws->focus == NULL)
3104                 return;
3105
3106         if (args->id == SWM_ARG_ID_KILLWINDOW)
3107                 XKillClient(display, r->ws->focus->id);
3108         else
3109                 if (r->ws->focus->can_delete)
3110                         client_msg(r->ws->focus, adelete);
3111 }
3112
3113
3114 int
3115 floating_toggle_win(struct ws_win *win)
3116 {
3117         struct swm_region       *r;
3118
3119         if (win == NULL)
3120                 return 0;
3121
3122         if (!win->ws->r)
3123                 return 0;
3124
3125         r = win->ws->r;
3126
3127         /* reject floating toggles in max stack mode */
3128         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3129                 return 0;
3130
3131         if (win->floating) {
3132                 if (!win->floatmaxed) {
3133                         /* retain position for refloat */
3134                         store_float_geom(win, r);
3135                 }
3136                 win->floating = 0;
3137         } else {
3138                 if (win->g_floatvalid) {
3139                         /* refloat at last floating relative position */
3140                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3141                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3142                         win->g.w = win->g_float.w;
3143                         win->g.h = win->g_float.h;
3144                 }
3145                 win->floating = 1;
3146         }
3147
3148         ewmh_update_actions(win);
3149
3150         return 1;
3151 }
3152
3153 void
3154 floating_toggle(struct swm_region *r, union arg *args)
3155 {
3156         struct ws_win           *win = r->ws->focus;
3157         union arg               a;
3158
3159         if (win == NULL)
3160                 return;
3161
3162         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3163             _NET_WM_STATE_TOGGLE);
3164
3165         stack();
3166         if (focus_mode == SWM_FOCUS_DEFAULT)
3167                 drain_enter_notify();
3168
3169         if (win == win->ws->focus) {
3170                 a.id = SWM_ARG_ID_FOCUSCUR;
3171                 focus(win->ws->r, &a);
3172         }
3173 }
3174
3175 void
3176 resize_window(struct ws_win *win, int center)
3177 {
3178         unsigned int            mask;
3179         XWindowChanges          wc;
3180         struct swm_region       *r;
3181
3182         r = root_to_region(win->wa.root);
3183         bzero(&wc, sizeof wc);
3184         mask = CWBorderWidth | CWWidth | CWHeight;
3185         wc.border_width = border_width;
3186         wc.width = win->g.w;
3187         wc.height = win->g.h;
3188         if (center == SWM_ARG_ID_CENTER) {
3189                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3190                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3191                 mask |= CWX | CWY;
3192         }
3193
3194         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3195             win->id, wc.x, wc.y, wc.width, wc.height);
3196
3197         XConfigureWindow(display, win->id, mask, &wc);
3198 }
3199
3200 void
3201 resize(struct ws_win *win, union arg *args)
3202 {
3203         XEvent                  ev;
3204         Time                    time = 0;
3205         struct swm_region       *r = win->ws->r;
3206         int                     relx, rely;
3207         union arg               a;
3208
3209
3210         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3211             win->id, win->floating, win->transient);
3212
3213         if (!(win->transient != 0 || win->floating != 0))
3214                 return;
3215
3216         /* reject resizes in max mode for floaters (transient ok) */
3217         if (win->floatmaxed)
3218                 return;
3219
3220         win->manual = 1;
3221         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3222             _NET_WM_STATE_ADD);
3223         /* raise the window = move to last in window list */
3224         a.id = SWM_ARG_ID_MOVELAST;
3225         swapwin(r, &a);
3226         stack();
3227         if (focus_mode == SWM_FOCUS_DEFAULT)
3228                 drain_enter_notify();
3229
3230         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3231             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3232                 return;
3233
3234         /* place pointer at bottom left corner or nearest point inside r */
3235         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3236                 relx = win->g.w - 1;
3237         else
3238                 relx = r->g.x + r->g.w - win->g.x - 1;
3239
3240         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3241                 rely = win->g.h - 1;
3242         else
3243                 rely = r->g.y + r->g.h - win->g.y - 1;
3244
3245         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3246         do {
3247                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3248                     SubstructureRedirectMask, &ev);
3249                 switch(ev.type) {
3250                 case ConfigureRequest:
3251                 case Expose:
3252                 case MapRequest:
3253                         handler[ev.type](&ev);
3254                         break;
3255                 case MotionNotify:
3256                         /* do not allow resize outside of region */
3257                         if (    ev.xmotion.x_root < r->g.x ||
3258                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3259                                 ev.xmotion.y_root < r->g.y ||
3260                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3261                                 continue;
3262
3263                         if (ev.xmotion.x <= 1)
3264                                 ev.xmotion.x = 1;
3265                         if (ev.xmotion.y <= 1)
3266                                 ev.xmotion.y = 1;
3267                         win->g.w = ev.xmotion.x + 1;
3268                         win->g.h = ev.xmotion.y + 1;
3269
3270                         /* not free, don't sync more than 120 times / second */
3271                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3272                                 time = ev.xmotion.time;
3273                                 XSync(display, False);
3274                                 resize_window(win, args->id);
3275                         }
3276                         break;
3277                 }
3278         } while (ev.type != ButtonRelease);
3279         if (time) {
3280                 XSync(display, False);
3281                 resize_window(win, args->id);
3282         }
3283         store_float_geom(win,r);
3284
3285         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3286             win->g.h - 1);
3287         XUngrabPointer(display, CurrentTime);
3288
3289         /* drain events */
3290         drain_enter_notify();
3291 }
3292
3293 void
3294 move_window(struct ws_win *win)
3295 {
3296         unsigned int            mask;
3297         XWindowChanges          wc;
3298         struct swm_region       *r;
3299
3300         r = root_to_region(win->wa.root);
3301         bzero(&wc, sizeof wc);
3302         mask = CWX | CWY;
3303         wc.x = win->g.x;
3304         wc.y = win->g.y;
3305         wc.border_width = border_width;
3306
3307         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3308             win->id, wc.x, wc.y, wc.width, wc.height);
3309
3310         XConfigureWindow(display, win->id, mask, &wc);
3311 }
3312
3313 void
3314 move(struct ws_win *win, union arg *args)
3315 {
3316         XEvent                  ev;
3317         Time                    time = 0;
3318         struct swm_region       *r = win->ws->r;
3319         union arg               a;
3320
3321         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3322             win->id, win->floating, win->transient);
3323
3324         /* in max_stack mode should only move transients */
3325         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3326                 return;
3327
3328         win->manual = 1;
3329         if (win->floating == 0 && !win->transient) {
3330                 win->floating = 1;
3331                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3332                     _NET_WM_STATE_ADD);
3333         }
3334         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3335             _NET_WM_STATE_ADD);
3336
3337         /* raise the window = move to last in window list */
3338         a.id = SWM_ARG_ID_MOVELAST;
3339         swapwin(r, &a);
3340         stack();
3341
3342         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3343             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3344                 return;
3345         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3346         do {
3347                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3348                     SubstructureRedirectMask, &ev);
3349                 switch(ev.type) {
3350                 case ConfigureRequest:
3351                 case Expose:
3352                 case MapRequest:
3353                         handler[ev.type](&ev);
3354                         break;
3355                 case MotionNotify:
3356                         /* don't allow to move window origin out of region */
3357                         if (    ev.xmotion.x_root < r->g.x ||
3358                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3359                                 ev.xmotion.y_root < r->g.y ||
3360                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3361                                 continue;
3362
3363                         win->g.x = ev.xmotion.x_root - border_width;
3364                         win->g.y = ev.xmotion.y_root - border_width;
3365
3366                         /* not free, don't sync more than 120 times / second */
3367                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3368                                 time = ev.xmotion.time;
3369                                 XSync(display, False);
3370                                 move_window(win);
3371                         }
3372                         break;
3373                 }
3374         } while (ev.type != ButtonRelease);
3375         if (time) {
3376                 XSync(display, False);
3377                 move_window(win);
3378         }
3379         store_float_geom(win,r);
3380         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3381         XUngrabPointer(display, CurrentTime);
3382
3383         /* drain events */
3384         drain_enter_notify();
3385 }
3386
3387 /* user/key callable function IDs */
3388 enum keyfuncid {
3389         kf_cycle_layout,
3390         kf_stack_reset,
3391         kf_master_shrink,
3392         kf_master_grow,
3393         kf_master_add,
3394         kf_master_del,
3395         kf_stack_inc,
3396         kf_stack_dec,
3397         kf_swap_main,
3398         kf_focus_next,
3399         kf_focus_prev,
3400         kf_swap_next,
3401         kf_swap_prev,
3402         kf_spawn_term,
3403         kf_spawn_menu,
3404         kf_quit,
3405         kf_restart,
3406         kf_focus_main,
3407         kf_ws_1,
3408         kf_ws_2,
3409         kf_ws_3,
3410         kf_ws_4,
3411         kf_ws_5,
3412         kf_ws_6,
3413         kf_ws_7,
3414         kf_ws_8,
3415         kf_ws_9,
3416         kf_ws_10,
3417         kf_ws_next,
3418         kf_ws_prev,
3419         kf_ws_prior,
3420         kf_screen_next,
3421         kf_screen_prev,
3422         kf_mvws_1,
3423         kf_mvws_2,
3424         kf_mvws_3,
3425         kf_mvws_4,
3426         kf_mvws_5,
3427         kf_mvws_6,
3428         kf_mvws_7,
3429         kf_mvws_8,
3430         kf_mvws_9,
3431         kf_mvws_10,
3432         kf_bar_toggle,
3433         kf_wind_kill,
3434         kf_wind_del,
3435         kf_screenshot_all,
3436         kf_screenshot_wind,
3437         kf_float_toggle,
3438         kf_version,
3439         kf_spawn_lock,
3440         kf_spawn_initscr,
3441         kf_spawn_custom,
3442         kf_iconify,
3443         kf_uniconify,
3444         kf_dumpwins, /* MUST BE LAST */
3445         kf_invalid
3446 };
3447
3448 /* key definitions */
3449 void
3450 dummykeyfunc(struct swm_region *r, union arg *args)
3451 {
3452 };
3453
3454 void
3455 legacyfunc(struct swm_region *r, union arg *args)
3456 {
3457 };
3458
3459 struct keyfunc {
3460         char                    name[SWM_FUNCNAME_LEN];
3461         void                    (*func)(struct swm_region *r, union arg *);
3462         union arg               args;
3463 } keyfuncs[kf_invalid + 1] = {
3464         /* name                 function        argument */
3465         { "cycle_layout",       cycle_layout,   {0} },
3466         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3467         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3468         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3469         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3470         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3471         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3472         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3473         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3474         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3475         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3476         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3477         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3478         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3479         { "spawn_menu",         legacyfunc,     {0} },
3480         { "quit",               quit,           {0} },
3481         { "restart",            restart,        {0} },
3482         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3483         { "ws_1",               switchws,       {.id = 0} },
3484         { "ws_2",               switchws,       {.id = 1} },
3485         { "ws_3",               switchws,       {.id = 2} },
3486         { "ws_4",               switchws,       {.id = 3} },
3487         { "ws_5",               switchws,       {.id = 4} },
3488         { "ws_6",               switchws,       {.id = 5} },
3489         { "ws_7",               switchws,       {.id = 6} },
3490         { "ws_8",               switchws,       {.id = 7} },
3491         { "ws_9",               switchws,       {.id = 8} },
3492         { "ws_10",              switchws,       {.id = 9} },
3493         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3494         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3495         { "ws_prior",           priorws,        {0} },
3496         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3497         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3498         { "mvws_1",             send_to_ws,     {.id = 0} },
3499         { "mvws_2",             send_to_ws,     {.id = 1} },
3500         { "mvws_3",             send_to_ws,     {.id = 2} },
3501         { "mvws_4",             send_to_ws,     {.id = 3} },
3502         { "mvws_5",             send_to_ws,     {.id = 4} },
3503         { "mvws_6",             send_to_ws,     {.id = 5} },
3504         { "mvws_7",             send_to_ws,     {.id = 6} },
3505         { "mvws_8",             send_to_ws,     {.id = 7} },
3506         { "mvws_9",             send_to_ws,     {.id = 8} },
3507         { "mvws_10",            send_to_ws,     {.id = 9} },
3508         { "bar_toggle",         bar_toggle,     {0} },
3509         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3510         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3511         { "screenshot_all",     legacyfunc,     {0} },
3512         { "screenshot_wind",    legacyfunc,     {0} },
3513         { "float_toggle",       floating_toggle,{0} },
3514         { "version",            version,        {0} },
3515         { "spawn_lock",         legacyfunc,     {0} },
3516         { "spawn_initscr",      legacyfunc,     {0} },
3517         { "spawn_custom",       dummykeyfunc,   {0} },
3518         { "iconify",            iconify,        {0} },
3519         { "uniconify",          uniconify,      {0} },
3520         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3521         { "invalid key func",   NULL,           {0} },
3522 };
3523 struct key {
3524         unsigned int            mod;
3525         KeySym                  keysym;
3526         enum keyfuncid          funcid;
3527         char                    *spawn_name;
3528 };
3529 int                             keys_size = 0, keys_length = 0;
3530 struct key                      *keys = NULL;
3531
3532 /* mouse */
3533 enum { client_click, root_click };
3534 struct button {
3535         unsigned int            action;
3536         unsigned int            mask;
3537         unsigned int            button;
3538         void                    (*func)(struct ws_win *, union arg *);
3539         union arg               args;
3540 } buttons[] = {
3541           /* action     key             mouse button    func    args */
3542         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3543         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3544         { client_click, MODKEY,         Button1,        move,   {0} },
3545 };
3546
3547 void
3548 update_modkey(unsigned int mod)
3549 {
3550         int                     i;
3551
3552         mod_key = mod;
3553         for (i = 0; i < keys_length; i++)
3554                 if (keys[i].mod & ShiftMask)
3555                         keys[i].mod = mod | ShiftMask;
3556                 else
3557                         keys[i].mod = mod;
3558
3559         for (i = 0; i < LENGTH(buttons); i++)
3560                 if (buttons[i].mask & ShiftMask)
3561                         buttons[i].mask = mod | ShiftMask;
3562                 else
3563                         buttons[i].mask = mod;
3564 }
3565
3566 /* spawn */
3567 struct spawn_prog {
3568         char                    *name;
3569         int                     argc;
3570         char                    **argv;
3571 };
3572
3573 int                             spawns_size = 0, spawns_length = 0;
3574 struct spawn_prog               *spawns = NULL;
3575
3576 int
3577 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3578     char ***ret_args)
3579 {
3580         struct spawn_prog       *prog = NULL;
3581         int                     i;
3582         char                    *ap, **real_args;
3583
3584         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3585
3586         /* find program */
3587         for (i = 0; i < spawns_length; i++) {
3588                 if (!strcasecmp(spawn_name, spawns[i].name))
3589                         prog = &spawns[i];
3590         }
3591         if (prog == NULL) {
3592                 fprintf(stderr, "spawn_custom: program %s not found\n",
3593                     spawn_name);
3594                 return (-1);
3595         }
3596
3597         /* make room for expanded args */
3598         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3599                 err(1, "spawn_custom: calloc real_args");
3600
3601         /* expand spawn_args into real_args */
3602         for (i = 0; i < prog->argc; i++) {
3603                 ap = prog->argv[i];
3604                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3605                 if (!strcasecmp(ap, "$bar_border")) {
3606                         if ((real_args[i] =
3607                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3608                             == NULL)
3609                                 err(1,  "spawn_custom border color");
3610                 } else if (!strcasecmp(ap, "$bar_color")) {
3611                         if ((real_args[i] =
3612                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3613                             == NULL)
3614                                 err(1, "spawn_custom bar color");
3615                 } else if (!strcasecmp(ap, "$bar_font")) {
3616                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3617                             == NULL)
3618                                 err(1, "spawn_custom bar fonts");
3619                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3620                         if ((real_args[i] =
3621                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3622                             == NULL)
3623                                 err(1, "spawn_custom color font");
3624                 } else if (!strcasecmp(ap, "$color_focus")) {
3625                         if ((real_args[i] =
3626                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3627                             == NULL)
3628                                 err(1, "spawn_custom color focus");
3629                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3630                         if ((real_args[i] =
3631                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3632                             == NULL)
3633                                 err(1, "spawn_custom color unfocus");
3634                 } else {
3635                         /* no match --> copy as is */
3636                         if ((real_args[i] = strdup(ap)) == NULL)
3637                                 err(1, "spawn_custom strdup(ap)");
3638                 }
3639                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3640                     real_args[i]);
3641         }
3642
3643 #ifdef SWM_DEBUG
3644         if ((swm_debug & SWM_D_SPAWN) != 0) {
3645                 fprintf(stderr, "spawn_custom: result = ");
3646                 for (i = 0; i < prog->argc; i++)
3647                         fprintf(stderr, "\"%s\" ", real_args[i]);
3648                 fprintf(stderr, "\n");
3649         }
3650 #endif
3651         *ret_args = real_args;
3652         return (prog->argc);
3653 }
3654
3655 void
3656 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3657 {
3658         union arg               a;
3659         char                    **real_args;
3660         int                     spawn_argc, i;
3661
3662         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3663                 return;
3664         a.argv = real_args;
3665         if (fork() == 0)
3666                 spawn(r, &a, 1);
3667
3668         for (i = 0; i < spawn_argc; i++)
3669                 free(real_args[i]);
3670         free(real_args);
3671 }
3672
3673 void
3674 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3675 {
3676         union arg               a;
3677         char                    **real_args;
3678         int                     i, spawn_argc;
3679
3680         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3681                 return;
3682         a.argv = real_args;
3683
3684         if (pipe(select_list_pipe) == -1)
3685                 err(1, "pipe error");
3686         if (pipe(select_resp_pipe) == -1)
3687                 err(1, "pipe error");
3688
3689         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3690                 err(1, "could not disable SIGPIPE");
3691         switch (*pid = fork()) {
3692         case -1:
3693                 err(1, "cannot fork");
3694                 break;
3695         case 0: /* child */
3696                 if (dup2(select_list_pipe[0], 0) == -1)
3697                         errx(1, "dup2");
3698                 if (dup2(select_resp_pipe[1], 1) == -1)
3699                         errx(1, "dup2");
3700                 close(select_list_pipe[1]);
3701                 close(select_resp_pipe[0]);
3702                 spawn(r, &a, 0);
3703                 break;
3704         default: /* parent */
3705                 close(select_list_pipe[0]);
3706                 close(select_resp_pipe[1]);
3707                 break;
3708         }
3709
3710         for (i = 0; i < spawn_argc; i++)
3711                 free(real_args[i]);
3712         free(real_args);
3713 }
3714
3715 void
3716 setspawn(struct spawn_prog *prog)
3717 {
3718         int                     i, j;
3719
3720         if (prog == NULL || prog->name == NULL)
3721                 return;
3722
3723         /* find existing */
3724         for (i = 0; i < spawns_length; i++) {
3725                 if (!strcmp(spawns[i].name, prog->name)) {
3726                         /* found */
3727                         if (prog->argv == NULL) {
3728                                 /* delete */
3729                                 DNPRINTF(SWM_D_SPAWN,
3730                                     "setspawn: delete #%d %s\n",
3731                                     i, spawns[i].name);
3732                                 free(spawns[i].name);
3733                                 for (j = 0; j < spawns[i].argc; j++)
3734                                         free(spawns[i].argv[j]);
3735                                 free(spawns[i].argv);
3736                                 j = spawns_length - 1;
3737                                 if (i < j)
3738                                         spawns[i] = spawns[j];
3739                                 spawns_length--;
3740                                 free(prog->name);
3741                         } else {
3742                                 /* replace */
3743                                 DNPRINTF(SWM_D_SPAWN,
3744                                     "setspawn: replace #%d %s\n",
3745                                     i, spawns[i].name);
3746                                 free(spawns[i].name);
3747                                 for (j = 0; j < spawns[i].argc; j++)
3748                                         free(spawns[i].argv[j]);
3749                                 free(spawns[i].argv);
3750                                 spawns[i] = *prog;
3751                         }
3752                         /* found case handled */
3753                         free(prog);
3754                         return;
3755                 }
3756         }
3757
3758         if (prog->argv == NULL) {
3759                 fprintf(stderr,
3760                     "error: setspawn: cannot find program %s", prog->name);
3761                 free(prog);
3762                 return;
3763         }
3764
3765         /* not found: add */
3766         if (spawns_size == 0 || spawns == NULL) {
3767                 spawns_size = 4;
3768                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3769                 spawns = malloc((size_t)spawns_size *
3770                     sizeof(struct spawn_prog));
3771                 if (spawns == NULL) {
3772                         fprintf(stderr, "setspawn: malloc failed\n");
3773                         perror(" failed");
3774                         quit(NULL, NULL);
3775                 }
3776         } else if (spawns_length == spawns_size) {
3777                 spawns_size *= 2;
3778                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3779                 spawns = realloc(spawns, (size_t)spawns_size *
3780                     sizeof(struct spawn_prog));
3781                 if (spawns == NULL) {
3782                         fprintf(stderr, "setspawn: realloc failed\n");
3783                         perror(" failed");
3784                         quit(NULL, NULL);
3785                 }
3786         }
3787
3788         if (spawns_length < spawns_size) {
3789                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3790                     spawns_length, prog->name);
3791                 i = spawns_length++;
3792                 spawns[i] = *prog;
3793         } else {
3794                 fprintf(stderr, "spawns array problem?\n");
3795                 if (spawns == NULL) {
3796                         fprintf(stderr, "spawns array is NULL!\n");
3797                         quit(NULL, NULL);
3798                 }
3799         }
3800         free(prog);
3801 }
3802
3803 int
3804 setconfspawn(char *selector, char *value, int flags)
3805 {
3806         struct spawn_prog       *prog;
3807         char                    *vp, *cp, *word;
3808
3809         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3810         if ((prog = calloc(1, sizeof *prog)) == NULL)
3811                 err(1, "setconfspawn: calloc prog");
3812         prog->name = strdup(selector);
3813         if (prog->name == NULL)
3814                 err(1, "setconfspawn prog->name");
3815         if ((cp = vp = strdup(value)) == NULL)
3816                 err(1, "setconfspawn: strdup(value) ");
3817         while ((word = strsep(&cp, " \t")) != NULL) {
3818                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3819                 if (cp)
3820                         cp += (long)strspn(cp, " \t");
3821                 if (strlen(word) > 0) {
3822                         prog->argc++;
3823                         prog->argv = realloc(prog->argv,
3824                             prog->argc * sizeof(char *));
3825                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3826                                 err(1, "setconfspawn: strdup");
3827                 }
3828         }
3829         free(vp);
3830
3831         setspawn(prog);
3832
3833         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3834         return (0);
3835 }
3836
3837 void
3838 setup_spawn(void)
3839 {
3840         setconfspawn("term",            "xterm",                0);
3841         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3842         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3843         setconfspawn("lock",            "xlock",                0);
3844         setconfspawn("initscr",         "initscreen.sh",        0);
3845         setconfspawn("menu",            "dmenu_run"
3846                                         " -fn $bar_font"
3847                                         " -nb $bar_color"
3848                                         " -nf $bar_font_color"
3849                                         " -sb $bar_border"
3850                                         " -sf $bar_color",      0);
3851         setconfspawn("uniconify",       "dmenu"
3852                                         " -i"
3853                                         " -fn $bar_font"
3854                                         " -nb $bar_color"
3855                                         " -nf $bar_font_color"
3856                                         " -sb $bar_border"
3857                                         " -sf $bar_color",      0);
3858 }
3859
3860 /* key bindings */
3861 #define SWM_MODNAME_SIZE        32
3862 #define SWM_KEY_WS              "\n+ \t"
3863 int
3864 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3865 {
3866         char                    *cp, *name;
3867         KeySym                  uks;
3868         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3869         if (mod == NULL || ks == NULL) {
3870                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3871                 return (1);
3872         }
3873         if (keystr == NULL || strlen(keystr) == 0) {
3874                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3875                 return (1);
3876         }
3877         cp = keystr;
3878         *ks = NoSymbol;
3879         *mod = 0;
3880         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3881                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3882                 if (cp)
3883                         cp += (long)strspn(cp, SWM_KEY_WS);
3884                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3885                         *mod |= currmod;
3886                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3887                         *mod |= Mod1Mask;
3888                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3889                         *mod += Mod2Mask;
3890                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3891                         *mod |= Mod3Mask;
3892                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3893                         *mod |= Mod4Mask;
3894                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3895                         *mod |= ShiftMask;
3896                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3897                         *mod |= ControlMask;
3898                 else {
3899                         *ks = XStringToKeysym(name);
3900                         XConvertCase(*ks, ks, &uks);
3901                         if (ks == NoSymbol) {
3902                                 DNPRINTF(SWM_D_KEY,
3903                                     "parsekeys: invalid key %s\n",
3904                                     name);
3905                                 return (1);
3906                         }
3907                 }
3908         }
3909         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3910         return (0);
3911 }
3912
3913 char *
3914 strdupsafe(char *str)
3915 {
3916         if (str == NULL)
3917                 return (NULL);
3918         else
3919                 return (strdup(str));
3920 }
3921
3922 void
3923 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
3924 {
3925         int                     i, j;
3926         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3927             keyfuncs[kfid].name, spawn_name);
3928         /* find existing */
3929         for (i = 0; i < keys_length; i++) {
3930                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3931                         if (kfid == kf_invalid) {
3932                                 /* found: delete */
3933                                 DNPRINTF(SWM_D_KEY,
3934                                     "setkeybinding: delete #%d %s\n",
3935                                     i, keyfuncs[keys[i].funcid].name);
3936                                 free(keys[i].spawn_name);
3937                                 j = keys_length - 1;
3938                                 if (i < j)
3939                                         keys[i] = keys[j];
3940                                 keys_length--;
3941                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3942                                 return;
3943                         } else {
3944                                 /* found: replace */
3945                                 DNPRINTF(SWM_D_KEY,
3946                                     "setkeybinding: replace #%d %s %s\n",
3947                                     i, keyfuncs[keys[i].funcid].name,
3948                                     spawn_name);
3949                                 free(keys[i].spawn_name);
3950                                 keys[i].mod = mod;
3951                                 keys[i].keysym = ks;
3952                                 keys[i].funcid = kfid;
3953                                 keys[i].spawn_name = strdupsafe(spawn_name);
3954                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3955                                 return;
3956                         }
3957                 }
3958         }
3959         if (kfid == kf_invalid) {
3960                 fprintf(stderr,
3961                     "error: setkeybinding: cannot find mod/key combination");
3962                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3963                 return;
3964         }
3965         /* not found: add */
3966         if (keys_size == 0 || keys == NULL) {
3967                 keys_size = 4;
3968                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
3969                 keys = malloc((size_t)keys_size * sizeof(struct key));
3970                 if (!keys) {
3971                         fprintf(stderr, "malloc failed\n");
3972                         perror(" failed");
3973                         quit(NULL, NULL);
3974                 }
3975         } else if (keys_length == keys_size) {
3976                 keys_size *= 2;
3977                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
3978                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
3979                 if (!keys) {
3980                         fprintf(stderr, "realloc failed\n");
3981                         perror(" failed");
3982                         quit(NULL, NULL);
3983                 }
3984         }
3985         if (keys_length < keys_size) {
3986                 j = keys_length++;
3987                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
3988                     j, keyfuncs[kfid].name, spawn_name);
3989                 keys[j].mod = mod;
3990                 keys[j].keysym = ks;
3991                 keys[j].funcid = kfid;
3992                 keys[j].spawn_name = strdupsafe(spawn_name);
3993         } else {
3994                 fprintf(stderr, "keys array problem?\n");
3995                 if (!keys) {
3996                         fprintf(stderr, "keys array problem\n");
3997                         quit(NULL, NULL);
3998                 }
3999         }
4000         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4001 }
4002
4003 int
4004 setconfbinding(char *selector, char *value, int flags)
4005 {
4006         enum keyfuncid          kfid;
4007         unsigned int            mod;
4008         KeySym                  ks;
4009         int                     i;
4010         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4011         if (selector == NULL) {
4012                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4013                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4014                         kfid = kf_invalid;
4015                         setkeybinding(mod, ks, kfid, NULL);
4016                         return (0);
4017                 } else
4018                         return (1);
4019         }
4020         /* search by key function name */
4021         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4022                 if (strncasecmp(selector, keyfuncs[kfid].name,
4023                     SWM_FUNCNAME_LEN) == 0) {
4024                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4025                             selector);
4026                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4027                                 setkeybinding(mod, ks, kfid, NULL);
4028                                 return (0);
4029                         } else
4030                                 return (1);
4031                 }
4032         }
4033         /* search by custom spawn name */
4034         for (i = 0; i < spawns_length; i++) {
4035                 if (strcasecmp(selector, spawns[i].name) == 0) {
4036                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4037                             selector);
4038                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4039                                 setkeybinding(mod, ks, kf_spawn_custom,
4040                                     spawns[i].name);
4041                                 return (0);
4042                         } else
4043                                 return (1);
4044                 }
4045         }
4046         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4047         return (1);
4048 }
4049
4050 void
4051 setup_keys(void)
4052 {
4053         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4054         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4055         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4056         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4057         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4058         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4059         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4060         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4061         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4062         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4063         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4064         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4065         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4066         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4067         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4068         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4069         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4070         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4071         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4072         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4073         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4074         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4075         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4076         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4077         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4078         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4079         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4080         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4081         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4082         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4083         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4084         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4085         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4086         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4087         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4088         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4089         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4090         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4091         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4092         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4093         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4094         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4095         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4096         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4097         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4098         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4099         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4100         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4101         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4102         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4103         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4104         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4105         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4106         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4107         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4108         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4109 #ifdef SWM_DEBUG
4110         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4111 #endif
4112 }
4113
4114 void
4115 updatenumlockmask(void)
4116 {
4117         unsigned int            i, j;
4118         XModifierKeymap         *modmap;
4119
4120         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4121         numlockmask = 0;
4122         modmap = XGetModifierMapping(display);
4123         for (i = 0; i < 8; i++)
4124                 for (j = 0; j < modmap->max_keypermod; j++)
4125                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4126                           == XKeysymToKeycode(display, XK_Num_Lock))
4127                                 numlockmask = (1 << i);
4128
4129         XFreeModifiermap(modmap);
4130 }
4131
4132 void
4133 grabkeys(void)
4134 {
4135         unsigned int            i, j, k;
4136         KeyCode                 code;
4137         unsigned int            modifiers[] =
4138             { 0, LockMask, numlockmask, numlockmask | LockMask };
4139
4140         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4141         updatenumlockmask();
4142
4143         for (k = 0; k < ScreenCount(display); k++) {
4144                 if (TAILQ_EMPTY(&screens[k].rl))
4145                         continue;
4146                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4147                 for (i = 0; i < keys_length; i++) {
4148                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4149                                 for (j = 0; j < LENGTH(modifiers); j++)
4150                                         XGrabKey(display, code,
4151                                             keys[i].mod | modifiers[j],
4152                                             screens[k].root, True,
4153                                             GrabModeAsync, GrabModeAsync);
4154                 }
4155         }
4156 }
4157
4158 void
4159 grabbuttons(struct ws_win *win, int focused)
4160 {
4161         unsigned int            i, j;
4162         unsigned int            modifiers[] =
4163             { 0, LockMask, numlockmask, numlockmask|LockMask };
4164
4165         updatenumlockmask();
4166         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4167         if (focused) {
4168                 for (i = 0; i < LENGTH(buttons); i++)
4169                         if (buttons[i].action == client_click)
4170                                 for (j = 0; j < LENGTH(modifiers); j++)
4171                                         XGrabButton(display, buttons[i].button,
4172                                             buttons[i].mask | modifiers[j],
4173                                             win->id, False, BUTTONMASK,
4174                                             GrabModeAsync, GrabModeSync, None,
4175                                             None);
4176         } else
4177                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4178                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4179 }
4180
4181 const char *quirkname[] = {
4182         "NONE",         /* config string for "no value" */
4183         "FLOAT",
4184         "TRANSSZ",
4185         "ANYWHERE",
4186         "XTERM_FONTADJ",
4187         "FULLSCREEN",
4188 };
4189
4190 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4191 #define SWM_Q_WS                "\n|+ \t"
4192 int
4193 parsequirks(char *qstr, unsigned long *quirk)
4194 {
4195         char                    *cp, *name;
4196         int                     i;
4197
4198         if (quirk == NULL)
4199                 return (1);
4200
4201         cp = qstr;
4202         *quirk = 0;
4203         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4204                 if (cp)
4205                         cp += (long)strspn(cp, SWM_Q_WS);
4206                 for (i = 0; i < LENGTH(quirkname); i++) {
4207                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4208                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
4209                                 if (i == 0) {
4210                                         *quirk = 0;
4211                                         return (0);
4212                                 }
4213                                 *quirk |= 1 << (i-1);
4214                                 break;
4215                         }
4216                 }
4217                 if (i >= LENGTH(quirkname)) {
4218                         DNPRINTF(SWM_D_QUIRK,
4219                             "parsequirks: invalid quirk [%s]\n", name);
4220                         return (1);
4221                 }
4222         }
4223         return (0);
4224 }
4225
4226 void
4227 setquirk(const char *class, const char *name, const int quirk)
4228 {
4229         int                     i, j;
4230
4231         /* find existing */
4232         for (i = 0; i < quirks_length; i++) {
4233                 if (!strcmp(quirks[i].class, class) &&
4234                     !strcmp(quirks[i].name, name)) {
4235                         if (!quirk) {
4236                                 /* found: delete */
4237                                 DNPRINTF(SWM_D_QUIRK,
4238                                     "setquirk: delete #%d %s:%s\n",
4239                                     i, quirks[i].class, quirks[i].name);
4240                                 free(quirks[i].class);
4241                                 free(quirks[i].name);
4242                                 j = quirks_length - 1;
4243                                 if (i < j)
4244                                         quirks[i] = quirks[j];
4245                                 quirks_length--;
4246                                 return;
4247                         } else {
4248                                 /* found: replace */
4249                                 DNPRINTF(SWM_D_QUIRK,
4250                                     "setquirk: replace #%d %s:%s\n",
4251                                     i, quirks[i].class, quirks[i].name);
4252                                 free(quirks[i].class);
4253                                 free(quirks[i].name);
4254                                 quirks[i].class = strdup(class);
4255                                 quirks[i].name = strdup(name);
4256                                 quirks[i].quirk = quirk;
4257                                 return;
4258                         }
4259                 }
4260         }
4261         if (!quirk) {
4262                 fprintf(stderr,
4263                     "error: setquirk: cannot find class/name combination");
4264                 return;
4265         }
4266         /* not found: add */
4267         if (quirks_size == 0 || quirks == NULL) {
4268                 quirks_size = 4;
4269                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4270                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4271                 if (!quirks) {
4272                         fprintf(stderr, "setquirk: malloc failed\n");
4273                         perror(" failed");
4274                         quit(NULL, NULL);
4275                 }
4276         } else if (quirks_length == quirks_size) {
4277                 quirks_size *= 2;
4278                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4279                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
4280                 if (!quirks) {
4281                         fprintf(stderr, "setquirk: realloc failed\n");
4282                         perror(" failed");
4283                         quit(NULL, NULL);
4284                 }
4285         }
4286         if (quirks_length < quirks_size) {
4287                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4288                 j = quirks_length++;
4289                 quirks[j].class = strdup(class);
4290                 quirks[j].name = strdup(name);
4291                 quirks[j].quirk = quirk;
4292         } else {
4293                 fprintf(stderr, "quirks array problem?\n");
4294                 if (!quirks) {
4295                         fprintf(stderr, "quirks array problem!\n");
4296                         quit(NULL, NULL);
4297                 }
4298         }
4299 }
4300
4301 int
4302 setconfquirk(char *selector, char *value, int flags)
4303 {
4304         char                    *cp, *class, *name;
4305         int                     retval;
4306         unsigned long           quirks;
4307         if (selector == NULL)
4308                 return (0);
4309         if ((cp = strchr(selector, ':')) == NULL)
4310                 return (0);
4311         *cp = '\0';
4312         class = selector;
4313         name = cp + 1;
4314         if ((retval = parsequirks(value, &quirks)) == 0)
4315                 setquirk(class, name, quirks);
4316         return (retval);
4317 }
4318
4319 void
4320 setup_quirks(void)
4321 {
4322         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4323         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4324         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4325         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4326         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4327         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4328         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4329         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4330         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4331         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4332         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4333         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4334         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4335 }
4336
4337 /* conf file stuff */
4338 #define SWM_CONF_FILE   "scrotwm.conf"
4339
4340 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH, SWM_S_STACK_ENABLED,
4341           SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT, SWM_S_CYCLE_EMPTY,
4342           SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH,
4343           SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
4344           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH, SWM_S_BAR_FONT,
4345           SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO,
4346           SWM_S_BAR_AT_BOTTOM
4347         };
4348
4349 int
4350 setconfvalue(char *selector, char *value, int flags)
4351 {
4352         switch (flags) {
4353         case SWM_S_BAR_DELAY:
4354                 bar_delay = atoi(value);
4355                 break;
4356         case SWM_S_BAR_ENABLED:
4357                 bar_enabled = atoi(value);
4358                 break;
4359         case SWM_S_BAR_BORDER_WIDTH:
4360                 bar_border_width = atoi(value);
4361                 break;
4362         case SWM_S_BAR_AT_BOTTOM:
4363                 bar_at_bottom = atoi(value);
4364                 break;
4365         case SWM_S_STACK_ENABLED:
4366                 stack_enabled = atoi(value);
4367                 break;
4368         case SWM_S_CLOCK_ENABLED:
4369                 clock_enabled = atoi(value);
4370                 break;
4371         case SWM_S_CLOCK_FORMAT:
4372 #ifndef SWM_DENY_CLOCK_FORMAT
4373                 free(clock_format);
4374                 if ((clock_format = strdup(value)) == NULL)
4375                         err(1, "setconfvalue: clock_format");
4376 #endif
4377                 break;
4378         case SWM_S_CYCLE_EMPTY:
4379                 cycle_empty = atoi(value);
4380                 break;
4381         case SWM_S_CYCLE_VISIBLE:
4382                 cycle_visible = atoi(value);
4383                 break;
4384         case SWM_S_SS_ENABLED:
4385                 ss_enabled = atoi(value);
4386                 break;
4387         case SWM_S_TERM_WIDTH:
4388                 term_width = atoi(value);
4389                 break;
4390         case SWM_S_TITLE_CLASS_ENABLED:
4391                 title_class_enabled = atoi(value);
4392                 break;
4393         case SWM_S_WINDOW_NAME_ENABLED:
4394                 window_name_enabled = atoi(value);
4395                 break;
4396         case SWM_S_TITLE_NAME_ENABLED:
4397                 title_name_enabled = atoi(value);
4398                 break;
4399         case SWM_S_FOCUS_MODE:
4400                 if (!strcmp(value, "default"))
4401                         focus_mode = SWM_FOCUS_DEFAULT;
4402                 else if (!strcmp(value, "follow_cursor"))
4403                         focus_mode = SWM_FOCUS_FOLLOW;
4404                 else if (!strcmp(value, "synergy"))
4405                         focus_mode = SWM_FOCUS_SYNERGY;
4406                 else
4407                         err(1, "focus_mode");
4408                 break;
4409         case SWM_S_DISABLE_BORDER:
4410                 disable_border = atoi(value);
4411                 break;
4412         case SWM_S_BORDER_WIDTH:
4413                 border_width = atoi(value);
4414                 break;
4415         case SWM_S_BAR_FONT:
4416                 free(bar_fonts[0]);
4417                 if ((bar_fonts[0] = strdup(value)) == NULL)
4418                         err(1, "setconfvalue: bar_font");
4419                 break;
4420         case SWM_S_BAR_ACTION:
4421                 free(bar_argv[0]);
4422                 if ((bar_argv[0] = strdup(value)) == NULL)
4423                         err(1, "setconfvalue: bar_action");
4424                 break;
4425         case SWM_S_SPAWN_TERM:
4426                 free(spawn_term[0]);
4427                 if ((spawn_term[0] = strdup(value)) == NULL)
4428                         err(1, "setconfvalue: spawn_term");
4429                 break;
4430         case SWM_S_SS_APP:
4431                 break;
4432         case SWM_S_DIALOG_RATIO:
4433                 dialog_ratio = atof(value);
4434                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4435                         dialog_ratio = .6;
4436                 break;
4437         default:
4438                 return (1);
4439         }
4440         return (0);
4441 }
4442
4443 int
4444 setconfmodkey(char *selector, char *value, int flags)
4445 {
4446         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4447                 update_modkey(Mod1Mask);
4448         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4449                 update_modkey(Mod2Mask);
4450         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4451                 update_modkey(Mod3Mask);
4452         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4453                 update_modkey(Mod4Mask);
4454         else
4455                 return (1);
4456         return (0);
4457 }
4458
4459 int
4460 setconfcolor(char *selector, char *value, int flags)
4461 {
4462         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4463         return (0);
4464 }
4465
4466 int
4467 setconfregion(char *selector, char *value, int flags)
4468 {
4469         custom_region(value);
4470         return (0);
4471 }
4472
4473 /* config options */
4474 struct config_option {
4475         char                    *optname;
4476         int (*func)(char*, char*, int);
4477         int funcflags;
4478 };
4479 struct config_option configopt[] = {
4480         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4481         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4482         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4483         { "bar_border_width",                   setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4484         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4485         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4486         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4487         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4488         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4489         { "bind",                       setconfbinding, 0 },
4490         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4491         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4492         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4493         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4494         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4495         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4496         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4497         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4498         { "modkey",                     setconfmodkey,  0 },
4499         { "program",                    setconfspawn,   0 },
4500         { "quirk",                      setconfquirk,   0 },
4501         { "region",                     setconfregion,  0 },
4502         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4503         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4504         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4505         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4506         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4507         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4508         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4509         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4510         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4511         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4512 };
4513
4514
4515 int
4516 conf_load(char *filename)
4517 {
4518         FILE                    *config;
4519         char                    *line, *cp, *optsub, *optval;
4520         size_t                  linelen, lineno = 0;
4521         int                     wordlen, i, optind;
4522         struct config_option    *opt;
4523
4524         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4525
4526         if (filename == NULL) {
4527                 fprintf(stderr, "conf_load: no filename\n");
4528                 return (1);
4529         }
4530         if ((config = fopen(filename, "r")) == NULL) {
4531                 warn("conf_load: fopen");
4532                 return (1);
4533         }
4534
4535         while (!feof(config)) {
4536                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4537                     == NULL) {
4538                         if (ferror(config))
4539                                 err(1, "%s", filename);
4540                         else
4541                                 continue;
4542                 }
4543                 cp = line;
4544                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4545                 if (cp[0] == '\0') {
4546                         /* empty line */
4547                         free(line);
4548                         continue;
4549                 }
4550                 /* get config option */
4551                 wordlen = strcspn(cp, "=[ \t\n");
4552                 if (wordlen == 0) {
4553                         warnx("%s: line %zd: no option found",
4554                             filename, lineno);
4555                         return (1);
4556                 }
4557                 optind = -1;
4558                 for (i = 0; i < LENGTH(configopt); i++) {
4559                         opt = &configopt[i];
4560                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4561                             strlen(opt->optname) == wordlen) {
4562                                 optind = i;
4563                                 break;
4564                         }
4565                 }
4566                 if (optind == -1) {
4567                         warnx("%s: line %zd: unknown option %.*s",
4568                             filename, lineno, wordlen, cp);
4569                         return (1);
4570                 }
4571                 cp += wordlen;
4572                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4573                 /* get [selector] if any */
4574                 optsub = NULL;
4575                 if (*cp == '[') {
4576                         cp++;
4577                         wordlen = strcspn(cp, "]");
4578                         if (*cp != ']') {
4579                                 if (wordlen == 0) {
4580                                         warnx("%s: line %zd: syntax error",
4581                                             filename, lineno);
4582                                         return (1);
4583                                 }
4584                                 asprintf(&optsub, "%.*s", wordlen, cp);
4585                         }
4586                         cp += wordlen;
4587                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4588                 }
4589                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4590                 /* get RHS value */
4591                 optval = strdup(cp);
4592                 /* call function to deal with it all */
4593                 if (configopt[optind].func(optsub, optval,
4594                     configopt[optind].funcflags) != 0) {
4595                         fprintf(stderr, "%s line %zd: %s\n",
4596                             filename, lineno, line);
4597                         errx(1, "%s: line %zd: invalid data for %s",
4598                             filename, lineno, configopt[optind].optname);
4599                 }
4600                 free(optval);
4601                 free(optsub);
4602                 free(line);
4603         }
4604
4605         fclose(config);
4606         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4607
4608         return (0);
4609 }
4610
4611 void
4612 set_child_transient(struct ws_win *win, Window *trans)
4613 {
4614         struct ws_win           *parent, *w;
4615         XWMHints                *wmh = NULL;
4616         struct swm_region       *r;
4617         struct workspace        *ws;
4618
4619         parent = find_window(win->transient);
4620         if (parent)
4621                 parent->child_trans = win;
4622         else {
4623                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
4624                     " for %lu trans %lu\n", win->id, win->transient);
4625
4626                 if (win->hints == NULL) {
4627                         fprintf(stderr, "no hints for %lu\n", win->id);
4628                         return;
4629                 }
4630
4631                 r = root_to_region(win->wa.root);
4632                 ws = r->ws;
4633                 /* parent doen't exist in our window list */
4634                 TAILQ_FOREACH(w, &ws->winlist, entry) {
4635                         if (wmh)
4636                                 XFree(wmh);
4637
4638                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
4639                                 fprintf(stderr, "can't get hints for %lu\n",
4640                                     w->id);
4641                                 continue;
4642                         }
4643
4644                         if (win->hints->window_group != wmh->window_group)
4645                                 continue;
4646
4647                         w->child_trans = win;
4648                         win->transient = w->id;
4649                         *trans = w->id;
4650                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
4651                             "transient to %lu\n", win->transient);
4652                         break;
4653                 }
4654         }
4655
4656         if (wmh)
4657                 XFree(wmh);
4658 }
4659
4660 struct ws_win *
4661 manage_window(Window id)
4662 {
4663         Window                  trans = 0;
4664         struct workspace        *ws;
4665         struct ws_win           *win, *ww;
4666         int                     format, i, ws_idx, n, border_me = 0;
4667         unsigned long           nitems, bytes;
4668         Atom                    ws_idx_atom = 0, type;
4669         Atom                    *prot = NULL, *pp;
4670         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
4671         struct swm_region       *r;
4672         long                    mask;
4673         const char              *errstr;
4674         XWindowChanges          wc;
4675
4676         if ((win = find_window(id)) != NULL)
4677                 return (win);   /* already being managed */
4678
4679         /* see if we are on the unmanaged list */
4680         if ((win = find_unmanaged_window(id)) != NULL) {
4681                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
4682                     "%lu\n", win->id);
4683                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4684                 if (win->transient) {
4685                         set_child_transient(win, &trans);
4686                 } if (trans && (ww = find_window(trans)))
4687                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
4688                 else
4689                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
4690                 ewmh_update_actions(win);
4691                 return (win);
4692         }
4693
4694         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
4695                 errx(1, "calloc: failed to allocate memory for new window");
4696
4697         win->id = id;
4698
4699         /* Get all the window data in one shot */
4700         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4701         if (ws_idx_atom)
4702                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
4703                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
4704         XGetWindowAttributes(display, id, &win->wa);
4705         XGetWMNormalHints(display, id, &win->sh, &mask);
4706         win->hints = XGetWMHints(display, id);
4707         XGetTransientForHint(display, id, &trans);
4708         if (trans) {
4709                 win->transient = trans;
4710                 set_child_transient(win, &trans);
4711                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
4712                     win->id, win->transient);
4713         }
4714
4715         /* get supported protocols */
4716         if (XGetWMProtocols(display, id, &prot, &n)) {
4717                 for (i = 0, pp = prot; i < n; i++, pp++) {
4718                         if (*pp == takefocus)
4719                                 win->take_focus = 1;
4720                         if (*pp == adelete)
4721                                 win->can_delete = 1;
4722                 }
4723                 if (prot)
4724                         XFree(prot);
4725         }
4726
4727         win->iconic = get_iconic(win);
4728
4729         /*
4730          * Figure out where to put the window. If it was previously assigned to
4731          * a workspace (either by spawn() or manually moving), and isn't
4732          * transient, * put it in the same workspace
4733          */
4734         r = root_to_region(win->wa.root);
4735         if (prop && win->transient == 0) {
4736                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
4737                 ws_idx = strtonum(prop, 0, 9, &errstr);
4738                 if (errstr) {
4739                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
4740                             errstr, prop);
4741                 }
4742                 ws = &r->s->ws[ws_idx];
4743         } else {
4744                 ws = r->ws;
4745                 /* this should launch transients in the same ws as parent */
4746                 if (id && trans)
4747                         if ((ww = find_window(trans)) != NULL)
4748                                 if (ws->r) {
4749                                         ws = ww->ws;
4750                                         if (ww->ws->r)
4751                                                 r = ww->ws->r;
4752                                         else
4753                                                 fprintf(stderr,
4754                                                     "fix this bug mcbride\n");
4755                                         border_me = 1;
4756                                 }
4757         }
4758
4759         /* set up the window layout */
4760         win->id = id;
4761         win->ws = ws;
4762         win->s = r->s;  /* this never changes */
4763         if (trans && (ww = find_window(trans)))
4764                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
4765         else
4766                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
4767
4768         win->g.w = win->wa.width;
4769         win->g.h = win->wa.height;
4770         win->g.x = win->wa.x;
4771         win->g.y = win->wa.y;
4772         win->g_floatvalid = 0;
4773         win->floatmaxed = 0;
4774         win->ewmh_flags = 0;
4775
4776         /* Set window properties so we can remember this after reincarnation */
4777         if (ws_idx_atom && prop == NULL &&
4778             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
4779                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
4780                     ws_idx_str);
4781                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
4782                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
4783         }
4784         if (prop)
4785                 XFree(prop);
4786
4787         ewmh_autoquirk(win);
4788
4789         if (XGetClassHint(display, win->id, &win->ch)) {
4790                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
4791                     win->ch.res_class, win->ch.res_name);
4792
4793                 /* java is retarded so treat it special */
4794                 if (strstr(win->ch.res_name, "sun-awt")) {
4795                         win->java = 1;
4796                         border_me = 1;
4797                 }
4798
4799                 for (i = 0; i < quirks_length; i++){
4800                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
4801                             !strcmp(win->ch.res_name, quirks[i].name)) {
4802                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
4803                                     win->ch.res_class, win->ch.res_name);
4804                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
4805                                         win->floating = 1;
4806                                         border_me = 1;
4807                                 }
4808                                 win->quirks = quirks[i].quirk;
4809                         }
4810                 }
4811         }
4812
4813         /* alter window position if quirky */
4814         if (win->quirks & SWM_Q_ANYWHERE) {
4815                 win->manual = 1; /* don't center the quirky windows */
4816                 bzero(&wc, sizeof wc);
4817                 mask = 0;
4818                 if (bar_enabled && win->g.y < bar_height) {
4819                         win->g.y = wc.y = bar_height;
4820                         mask |= CWY;
4821                 }
4822                 if (win->g.w + win->g.x > WIDTH(r)) {
4823                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
4824                         mask |= CWX;
4825                 }
4826                 border_me = 1;
4827         }
4828
4829         /* Reset font sizes (the bruteforce way; no default keybinding). */
4830         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
4831                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4832                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
4833                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4834                         fake_keypress(win, XK_KP_Add, ShiftMask);
4835         }
4836
4837         ewmh_get_win_state(win);
4838         ewmh_update_actions(win);
4839         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
4840
4841         /* border me */
4842         if (border_me) {
4843                 bzero(&wc, sizeof wc);
4844                 wc.border_width = border_width;
4845                 mask = CWBorderWidth;
4846                 XConfigureWindow(display, win->id, mask, &wc);
4847         }
4848
4849         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
4850             PropertyChangeMask | StructureNotifyMask);
4851
4852         /* floaters need to be mapped if they are in the current workspace */
4853         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
4854                 XMapRaised(display, win->id);
4855
4856         return (win);
4857 }
4858
4859 void
4860 free_window(struct ws_win *win)
4861 {
4862         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
4863
4864         if (win == NULL)
4865                 return;
4866
4867         /* needed for restart wm */
4868         set_win_state(win, WithdrawnState);
4869
4870         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4871
4872         if (win->ch.res_class)
4873                 XFree(win->ch.res_class);
4874         if (win->ch.res_name)
4875                 XFree(win->ch.res_name);
4876
4877         kill_refs(win);
4878
4879         /* paint memory */
4880         memset(win, 0xff, sizeof *win); /* XXX kill later */
4881
4882         free(win);
4883 }
4884
4885 void
4886 unmanage_window(struct ws_win *win)
4887 {
4888         struct ws_win           *parent;
4889
4890         if (win == NULL)
4891                 return;
4892
4893         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
4894
4895         if (win->transient) {
4896                 parent = find_window(win->transient);
4897                 if (parent)
4898                         parent->child_trans = NULL;
4899         }
4900
4901         /* focus on root just in case */
4902         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
4903
4904         focus_prev(win);
4905
4906         TAILQ_REMOVE(&win->ws->winlist, win, entry);
4907         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
4908
4909         kill_refs(win);
4910 }
4911
4912 void
4913 focus_magic(struct ws_win *win)
4914 {
4915         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
4916
4917         if (win == NULL)
4918                 return;
4919
4920         if (win->child_trans) {
4921                 /* win = parent & has a transient so focus on that */
4922                 if (win->java) {
4923                         focus_win(win->child_trans);
4924                         if (win->child_trans->take_focus)
4925                                 client_msg(win, takefocus);
4926                 } else {
4927                         /* make sure transient hasn't dissapeared */
4928                         if (validate_win(win->child_trans) == 0) {
4929                                 focus_win(win->child_trans);
4930                                 if (win->child_trans->take_focus)
4931                                         client_msg(win->child_trans, takefocus);
4932                         } else {
4933                                 win->child_trans = NULL;
4934                                 focus_win(win);
4935                                 if (win->take_focus)
4936                                         client_msg(win, takefocus);
4937                         }
4938                 }
4939         } else {
4940                 /* regular focus */
4941                 focus_win(win);
4942                 if (win->take_focus)
4943                         client_msg(win, takefocus);
4944         }
4945 }
4946
4947 void
4948 expose(XEvent *e)
4949 {
4950         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
4951 }
4952
4953 void
4954 keypress(XEvent *e)
4955 {
4956         unsigned int            i;
4957         KeySym                  keysym;
4958         XKeyEvent               *ev = &e->xkey;
4959
4960         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
4961
4962         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
4963         for (i = 0; i < keys_length; i++)
4964                 if (keysym == keys[i].keysym
4965                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
4966                    && keyfuncs[keys[i].funcid].func) {
4967                         if (keys[i].funcid == kf_spawn_custom)
4968                                 spawn_custom(
4969                                     root_to_region(ev->root),
4970                                     &(keyfuncs[keys[i].funcid].args),
4971                                     keys[i].spawn_name
4972                                     );
4973                         else
4974                                 keyfuncs[keys[i].funcid].func(
4975                                     root_to_region(ev->root),
4976                                     &(keyfuncs[keys[i].funcid].args)
4977                                     );
4978                 }
4979 }
4980
4981 void
4982 buttonpress(XEvent *e)
4983 {
4984         struct ws_win           *win;
4985         int                     i, action;
4986         XButtonPressedEvent     *ev = &e->xbutton;
4987
4988         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
4989
4990         action = root_click;
4991         if ((win = find_window(ev->window)) == NULL)
4992                 return;
4993
4994         focus_magic(win);
4995         action = client_click;
4996
4997         for (i = 0; i < LENGTH(buttons); i++)
4998                 if (action == buttons[i].action && buttons[i].func &&
4999                     buttons[i].button == ev->button &&
5000                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5001                         buttons[i].func(win, &buttons[i].args);
5002 }
5003
5004 void
5005 configurerequest(XEvent *e)
5006 {
5007         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5008         struct ws_win           *win;
5009         int                     new = 0;
5010         XWindowChanges          wc;
5011
5012         if ((win = find_window(ev->window)) == NULL)
5013                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5014                         new = 1;
5015
5016         if (new) {
5017                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5018                     ev->window);
5019                 bzero(&wc, sizeof wc);
5020                 wc.x = ev->x;
5021                 wc.y = ev->y;
5022                 wc.width = ev->width;
5023                 wc.height = ev->height;
5024                 wc.border_width = ev->border_width;
5025                 wc.sibling = ev->above;
5026                 wc.stack_mode = ev->detail;
5027                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5028         } else {
5029                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5030                     ev->window);
5031                 config_win(win, ev);
5032         }
5033 }
5034
5035 void
5036 configurenotify(XEvent *e)
5037 {
5038         struct ws_win           *win;
5039         long                    mask;
5040
5041         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5042             e->xconfigure.window);
5043
5044         win = find_window(e->xconfigure.window);
5045         if (win) {
5046                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5047                 adjust_font(win);
5048                 if (font_adjusted)
5049                         stack();
5050                 if (focus_mode == SWM_FOCUS_DEFAULT)
5051                         drain_enter_notify();
5052         }
5053 }
5054
5055 void
5056 destroynotify(XEvent *e)
5057 {
5058         struct ws_win           *win;
5059         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5060
5061         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5062
5063         if ((win = find_window(ev->window)) == NULL) {
5064                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5065                         return;
5066                 free_window(win);
5067                 return;
5068         }
5069
5070         /* make sure we focus on something */
5071         win->floating = 0;
5072
5073         unmanage_window(win);
5074         stack();
5075         if (focus_mode == SWM_FOCUS_DEFAULT)
5076                 drain_enter_notify();
5077         free_window(win);
5078 }
5079
5080 void
5081 enternotify(XEvent *e)
5082 {
5083         XCrossingEvent          *ev = &e->xcrossing;
5084         XEvent                  cne;
5085         struct ws_win           *win;
5086 #if 0
5087         struct ws_win           *w;
5088         Window                  focus_return;
5089         int                     revert_to_return;
5090 #endif
5091         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5092             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5093             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5094             ev->same_screen, ev->focus, ev->state);
5095
5096         switch (focus_mode) {
5097         case SWM_FOCUS_DEFAULT:
5098                 break;
5099         case SWM_FOCUS_FOLLOW:
5100                 break;
5101         case SWM_FOCUS_SYNERGY:
5102 #if 0
5103         /*
5104          * all these checks need to be in this order because the
5105          * XCheckTypedWindowEvent relies on weeding out the previous events
5106          *
5107          * making this code an option would enable a follow mouse for focus
5108          * feature
5109          */
5110
5111         /*
5112          * state is set when we are switching workspaces and focus is set when
5113          * the window or a subwindow already has focus (occurs during restart).
5114          *
5115          * Only honor the focus flag if last_focus_event is not FocusOut,
5116          * this allows scrotwm to continue to control focus when another
5117          * program is also playing with it.
5118          */
5119         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5120                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5121                 return;
5122         }
5123
5124         /*
5125          * happens when a window is created or destroyed and the border
5126          * crosses the mouse pointer and when switching ws
5127          *
5128          * we need the subwindow test to see if we came from root in order
5129          * to give focus to floaters
5130          */
5131         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5132             ev->subwindow == 0) {
5133                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5134                 return;
5135         }
5136
5137         /* this window already has focus */
5138         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5139                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5140                 return;
5141         }
5142
5143         /* this window is being deleted or moved to another ws */
5144         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5145             &cne) == True) {
5146                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5147                 XPutBackEvent(display, &cne);
5148                 return;
5149         }
5150
5151         if ((win = find_window(ev->window)) == NULL) {
5152                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5153                 return;
5154         }
5155
5156         /*
5157          * In fullstack kill all enters unless they come from a different ws
5158          * (i.e. another region) or focus has been grabbed externally.
5159          */
5160         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5161             last_focus_event != FocusOut) {
5162                 XGetInputFocus(display, &focus_return, &revert_to_return);
5163                 if ((w = find_window(focus_return)) == NULL ||
5164                     w->ws == win->ws) {
5165                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5166                         return;
5167                 }
5168         }
5169 #endif
5170                 break;
5171         }
5172
5173         if ((win = find_window(ev->window)) == NULL) {
5174                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5175                 return;
5176         }
5177
5178         /*
5179          * if we have more enternotifies let them handle it in due time
5180          */
5181         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5182                 DNPRINTF(SWM_D_EVENT,
5183                     "ignoring enternotify: got more enternotify\n");
5184                 XPutBackEvent(display, &cne);
5185                 return;
5186         }
5187
5188         focus_magic(win);
5189 }
5190
5191 /* lets us use one switch statement for arbitrary mode/detail combinations */
5192 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5193
5194 void
5195 focusevent(XEvent *e)
5196 {
5197 #if 0
5198         struct ws_win           *win;
5199         u_int32_t               mode_detail;
5200         XFocusChangeEvent       *ev = &e->xfocus;
5201
5202         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5203             ev->type == FocusIn ? "entering" : "leaving",
5204             ev->window, ev->mode, ev->detail);
5205
5206         if (last_focus_event == ev->type) {
5207                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5208                 return;
5209         }
5210
5211         last_focus_event = ev->type;
5212         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5213
5214         switch (mode_detail) {
5215         /* synergy client focus operations */
5216         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5217         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5218
5219         /* synergy server focus operations */
5220         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5221
5222         /* Entering applications like rdesktop that mangle the pointer */
5223         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5224
5225                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5226                         XSetWindowBorder(display, win->id,
5227                             win->ws->r->s->c[ev->type == FocusIn ?
5228                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5229                 break;
5230         default:
5231                 fprintf(stderr, "ignoring focusevent\n");
5232                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5233                 break;
5234         }
5235 #endif
5236 }
5237
5238 void
5239 mapnotify(XEvent *e)
5240 {
5241         struct ws_win           *win;
5242         XMapEvent               *ev = &e->xmap;
5243
5244         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5245
5246         win = manage_window(ev->window);
5247         if (win)
5248                 set_win_state(win, NormalState);
5249 }
5250
5251 void
5252 mappingnotify(XEvent *e)
5253 {
5254         XMappingEvent           *ev = &e->xmapping;
5255
5256         XRefreshKeyboardMapping(ev);
5257         if (ev->request == MappingKeyboard)
5258                 grabkeys();
5259 }
5260
5261 void
5262 maprequest(XEvent *e)
5263 {
5264         struct ws_win           *win;
5265         struct swm_region       *r;
5266         XWindowAttributes       wa;
5267         XMapRequestEvent        *ev = &e->xmaprequest;
5268
5269         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5270             e->xmaprequest.window);
5271
5272         if (!XGetWindowAttributes(display, ev->window, &wa))
5273                 return;
5274         if (wa.override_redirect)
5275                 return;
5276
5277         win = manage_window(e->xmaprequest.window);
5278         if (win == NULL)
5279                 return; /* can't happen */
5280
5281         stack();
5282
5283         /* make new win focused */
5284         r = root_to_region(win->wa.root);
5285         if (win->ws == r->ws)
5286                 focus_magic(win);
5287 }
5288
5289 void
5290 propertynotify(XEvent *e)
5291 {
5292         struct ws_win           *win;
5293         XPropertyEvent          *ev = &e->xproperty;
5294
5295         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5296             ev->window);
5297
5298         win = find_window(ev->window);
5299         if (win == NULL)
5300                 return;
5301
5302         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5303                 update_iconic(win, 0);
5304                 XMapRaised(display, win->id);
5305                 stack();
5306                 focus_win(win);
5307                 return;
5308         }
5309
5310         switch (ev->atom) {
5311         case XA_WM_NORMAL_HINTS:
5312 #if 0
5313                 long            mask;
5314                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5315                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5316                 if (win->sh.flags & PMinSize) {
5317                         win->g.w = win->sh.min_width;
5318                         win->g.h = win->sh.min_height;
5319                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5320                 }
5321                 XMoveResizeWindow(display, win->id,
5322                     win->g.x, win->g.y, win->g.w, win->g.h);
5323 #endif
5324                 if (window_name_enabled)
5325                         bar_update();
5326                 break;
5327         default:
5328                 break;
5329         }
5330 }
5331
5332 void
5333 unmapnotify(XEvent *e)
5334 {
5335         struct ws_win           *win;
5336
5337         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5338
5339         /* determine if we need to help unmanage this window */
5340         win = find_window(e->xunmap.window);
5341         if (win == NULL)
5342                 return;
5343
5344         if (getstate(e->xunmap.window) == NormalState) {
5345                 unmanage_window(win);
5346                 stack();
5347
5348                 /* giant hack for apps that don't destroy transient windows */
5349                 /* eat a bunch of events to prevent remanaging the window */
5350                 XEvent                  cne;
5351                 while (XCheckWindowEvent(display, e->xunmap.window,
5352                     EnterWindowMask, &cne))
5353                         ;
5354                 while (XCheckWindowEvent(display, e->xunmap.window,
5355                     StructureNotifyMask, &cne))
5356                         ;
5357                 while (XCheckWindowEvent(display, e->xunmap.window,
5358                     SubstructureNotifyMask, &cne))
5359                         ;
5360                 /* resend unmap because we ated it */
5361                 XUnmapWindow(display, e->xunmap.window);
5362         }
5363
5364         if (focus_mode == SWM_FOCUS_DEFAULT)
5365                 drain_enter_notify();
5366 }
5367
5368 void
5369 visibilitynotify(XEvent *e)
5370 {
5371         int                     i;
5372         struct swm_region       *r;
5373
5374         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5375             e->xvisibility.window);
5376         if (e->xvisibility.state == VisibilityUnobscured)
5377                 for (i = 0; i < ScreenCount(display); i++)
5378                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5379                                 if (e->xvisibility.window == r->bar_window)
5380                                         bar_update();
5381 }
5382
5383 void
5384 clientmessage(XEvent *e)
5385 {
5386         XClientMessageEvent *ev;
5387         struct ws_win *win;
5388
5389         ev = &e->xclient;
5390
5391         win = find_window(ev->window);
5392         if (win == NULL)
5393                 return;
5394
5395         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5396             ev->window, ev->message_type);
5397
5398         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5399                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5400                 focus_win(win);
5401         }
5402         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5403                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5404                 if (win->can_delete)
5405                         client_msg(win, adelete);
5406                 else
5407                         XKillClient(display, win->id);
5408         }
5409         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5410                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5411                 if (win->floating) {
5412                         if (ev->data.l[0] & (1<<8)) /* x */
5413                                 win->g.x = ev->data.l[1];
5414                         if (ev->data.l[0] & (1<<9)) /* y */
5415                                 win->g.y = ev->data.l[2];
5416                         if (ev->data.l[0] & (1<<10)) /* width */
5417                                 win->g.w = ev->data.l[3];
5418                         if (ev->data.l[0] & (1<<11)) /* height */
5419                                 win->g.h = ev->data.l[4];
5420                 }
5421                 else {
5422                         /* TODO: Change stack sizes */
5423                 }
5424                 config_win(win, NULL);
5425         }
5426         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5427                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5428                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5429                 if (ev->data.l[2])
5430                         ewmh_update_win_state(win, ev->data.l[2], ev->data.l[0]);
5431
5432                 stack();
5433         }
5434 }
5435
5436 int
5437 xerror_start(Display *d, XErrorEvent *ee)
5438 {
5439         other_wm = 1;
5440         return (-1);
5441 }
5442
5443 int
5444 xerror(Display *d, XErrorEvent *ee)
5445 {
5446         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5447         return (-1);
5448 }
5449
5450 int
5451 active_wm(void)
5452 {
5453         other_wm = 0;
5454         xerrorxlib = XSetErrorHandler(xerror_start);
5455
5456         /* this causes an error if some other window manager is running */
5457         XSelectInput(display, DefaultRootWindow(display),
5458             SubstructureRedirectMask);
5459         XSync(display, False);
5460         if (other_wm)
5461                 return (1);
5462
5463         XSetErrorHandler(xerror);
5464         XSync(display, False);
5465         return (0);
5466 }
5467
5468 void
5469 new_region(struct swm_screen *s, int x, int y, int w, int h)
5470 {
5471         struct swm_region       *r, *n;
5472         struct workspace        *ws = NULL;
5473         int                     i;
5474
5475         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5476              s->idx, w, h, x, y);
5477
5478         /* remove any conflicting regions */
5479         n = TAILQ_FIRST(&s->rl);
5480         while (n) {
5481                 r = n;
5482                 n = TAILQ_NEXT(r, entry);
5483                 if (X(r) < (x + w) &&
5484                     (X(r) + WIDTH(r)) > x &&
5485                     Y(r) < (y + h) &&
5486                     (Y(r) + HEIGHT(r)) > y) {
5487                         if (r->ws->r != NULL)
5488                                 r->ws->old_r = r->ws->r;
5489                         r->ws->r = NULL;
5490                         XDestroyWindow(display, r->bar_window);
5491                         TAILQ_REMOVE(&s->rl, r, entry);
5492                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5493                 }
5494         }
5495
5496         /* search old regions for one to reuse */
5497
5498         /* size + location match */
5499         TAILQ_FOREACH(r, &s->orl, entry)
5500                 if (X(r) == x && Y(r) == y &&
5501                     HEIGHT(r) == h && WIDTH(r) == w)
5502                         break;
5503
5504         /* size match */
5505         TAILQ_FOREACH(r, &s->orl, entry)
5506                 if (HEIGHT(r) == h && WIDTH(r) == w)
5507                         break;
5508
5509         if (r != NULL) {
5510                 TAILQ_REMOVE(&s->orl, r, entry);
5511                 /* try to use old region's workspace */
5512                 if (r->ws->r == NULL)
5513                         ws = r->ws;
5514         } else
5515                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5516                         errx(1, "calloc: failed to allocate memory for screen");
5517
5518         /* if we don't have a workspace already, find one */
5519         if (ws == NULL) {
5520                 for (i = 0; i < SWM_WS_MAX; i++)
5521                         if (s->ws[i].r == NULL) {
5522                                 ws = &s->ws[i];
5523                                 break;
5524                         }
5525         }
5526
5527         if (ws == NULL)
5528                 errx(1, "no free workspaces\n");
5529
5530         X(r) = x;
5531         Y(r) = y;
5532         WIDTH(r) = w;
5533         HEIGHT(r) = h;
5534         r->s = s;
5535         r->ws = ws;
5536         r->ws_prior = NULL;
5537         ws->r = r;
5538         outputs++;
5539         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5540 }
5541
5542 void
5543 scan_xrandr(int i)
5544 {
5545 #ifdef SWM_XRR_HAS_CRTC
5546         XRRCrtcInfo             *ci;
5547         XRRScreenResources      *sr;
5548         int                     c;
5549         int                     ncrtc = 0;
5550 #endif /* SWM_XRR_HAS_CRTC */
5551         struct swm_region       *r;
5552
5553
5554         if (i >= ScreenCount(display))
5555                 errx(1, "invalid screen");
5556
5557         /* remove any old regions */
5558         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5559                 r->ws->old_r = r->ws->r = NULL;
5560                 XDestroyWindow(display, r->bar_window);
5561                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5562                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5563         }
5564         outputs = 0;
5565
5566         /* map virtual screens onto physical screens */
5567 #ifdef SWM_XRR_HAS_CRTC
5568         if (xrandr_support) {
5569                 sr = XRRGetScreenResources(display, screens[i].root);
5570                 if (sr == NULL)
5571                         new_region(&screens[i], 0, 0,
5572                             DisplayWidth(display, i),
5573                             DisplayHeight(display, i));
5574                 else
5575                         ncrtc = sr->ncrtc;
5576
5577                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5578                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5579                         if (ci->noutput == 0)
5580                                 continue;
5581
5582                         if (ci != NULL && ci->mode == None)
5583                                 new_region(&screens[i], 0, 0,
5584                                     DisplayWidth(display, i),
5585                                     DisplayHeight(display, i));
5586                         else
5587                                 new_region(&screens[i],
5588                                     ci->x, ci->y, ci->width, ci->height);
5589                 }
5590                 if (ci)
5591                         XRRFreeCrtcInfo(ci);
5592                 XRRFreeScreenResources(sr);
5593         } else
5594 #endif /* SWM_XRR_HAS_CRTC */
5595         {
5596                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5597                     DisplayHeight(display, i));
5598         }
5599 }
5600
5601 void
5602 screenchange(XEvent *e) {
5603         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5604         struct swm_region               *r;
5605         int                             i;
5606
5607         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5608
5609         if (!XRRUpdateConfiguration(e))
5610                 return;
5611
5612         /* silly event doesn't include the screen index */
5613         for (i = 0; i < ScreenCount(display); i++)
5614                 if (screens[i].root == xe->root)
5615                         break;
5616         if (i >= ScreenCount(display))
5617                 errx(1, "screenchange: screen not found\n");
5618
5619         /* brute force for now, just re-enumerate the regions */
5620         scan_xrandr(i);
5621
5622         /* add bars to all regions */
5623         for (i = 0; i < ScreenCount(display); i++)
5624                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5625                         bar_setup(r);
5626         stack();
5627         if (focus_mode == SWM_FOCUS_DEFAULT)
5628                 drain_enter_notify();
5629 }
5630
5631 void
5632 grab_windows(void)
5633 {
5634         Window                  d1, d2, *wins = NULL;
5635         XWindowAttributes       wa;
5636         unsigned int            no;
5637         int                     i, j;
5638         long                    state, manage;
5639
5640         for (i = 0; i < ScreenCount(display); i++) {
5641                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5642                         continue;
5643
5644                 /* attach windows to a region */
5645                 /* normal windows */
5646                 for (j = 0; j < no; j++) {
5647                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5648                             wa.override_redirect ||
5649                             XGetTransientForHint(display, wins[j], &d1))
5650                                 continue;
5651
5652                         state = getstate(wins[j]);
5653                         manage = state == IconicState;
5654                         if (wa.map_state == IsViewable || manage)
5655                                 manage_window(wins[j]);
5656                 }
5657                 /* transient windows */
5658                 for (j = 0; j < no; j++) {
5659                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5660                             wa.override_redirect)
5661                                 continue;
5662
5663                         state = getstate(wins[j]);
5664                         manage = state == IconicState;
5665                         if (XGetTransientForHint(display, wins[j], &d1) &&
5666                             manage)
5667                                 manage_window(wins[j]);
5668                 }
5669                 if (wins) {
5670                         XFree(wins);
5671                         wins = NULL;
5672                 }
5673         }
5674 }
5675
5676 void
5677 setup_screens(void)
5678 {
5679         int                     i, j, k;
5680         int                     errorbase, major, minor;
5681         struct workspace        *ws;
5682         int                     ws_idx_atom;
5683
5684         if ((screens = calloc(ScreenCount(display),
5685              sizeof(struct swm_screen))) == NULL)
5686                 errx(1, "calloc: screens");
5687
5688         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5689
5690         /* initial Xrandr setup */
5691         xrandr_support = XRRQueryExtension(display,
5692             &xrandr_eventbase, &errorbase);
5693         if (xrandr_support)
5694                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
5695                         xrandr_support = 0;
5696
5697         /* map physical screens */
5698         for (i = 0; i < ScreenCount(display); i++) {
5699                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
5700                 screens[i].idx = i;
5701                 TAILQ_INIT(&screens[i].rl);
5702                 TAILQ_INIT(&screens[i].orl);
5703                 screens[i].root = RootWindow(display, i);
5704
5705                 /* set default colors */
5706                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
5707                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
5708                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
5709                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
5710                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
5711
5712                 /* set default cursor */
5713                 XDefineCursor(display, screens[i].root,
5714                     XCreateFontCursor(display, XC_left_ptr));
5715
5716                 /* init all workspaces */
5717                 /* XXX these should be dynamically allocated too */
5718                 for (j = 0; j < SWM_WS_MAX; j++) {
5719                         ws = &screens[i].ws[j];
5720                         ws->idx = j;
5721                         ws->focus = NULL;
5722                         ws->r = NULL;
5723                         ws->old_r = NULL;
5724                         TAILQ_INIT(&ws->winlist);
5725                         TAILQ_INIT(&ws->unmanagedlist);
5726
5727                         for (k = 0; layouts[k].l_stack != NULL; k++)
5728                                 if (layouts[k].l_config != NULL)
5729                                         layouts[k].l_config(ws,
5730                                             SWM_ARG_ID_STACKINIT);
5731                         ws->cur_layout = &layouts[0];
5732                 }
5733
5734                 scan_xrandr(i);
5735
5736                 if (xrandr_support)
5737                         XRRSelectInput(display, screens[i].root,
5738                             RRScreenChangeNotifyMask);
5739         }
5740 }
5741
5742 void
5743 setup_globals(void)
5744 {
5745         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
5746             == NULL)
5747                 err(1, "setup_globals: strdup");
5748         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
5749             == NULL)
5750                 err(1, "setup_globals: strdup");
5751         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
5752             == NULL)
5753                 err(1, "setup_globals: strdup");
5754         if ((spawn_term[0] = strdup("xterm")) == NULL)
5755                 err(1, "setup_globals: strdup");
5756         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
5757                 errx(1, "strdup");
5758 }
5759
5760 void
5761 workaround(void)
5762 {
5763         int                     i;
5764         Atom                    netwmcheck, netwmname, utf8_string;
5765         Window                  root, win;
5766
5767         /* work around sun jdk bugs, code from wmname */
5768         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
5769         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
5770         utf8_string = XInternAtom(display, "UTF8_STRING", False);
5771         for (i = 0; i < ScreenCount(display); i++) {
5772                 root = screens[i].root;
5773                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
5774                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
5775                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
5776
5777                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
5778                     PropModeReplace, (unsigned char *)&win,1);
5779                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
5780                     PropModeReplace, (unsigned char *)&win,1);
5781                 XChangeProperty(display, win, netwmname, utf8_string, 8,
5782                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
5783         }
5784 }
5785
5786 int
5787 main(int argc, char *argv[])
5788 {
5789         struct passwd           *pwd;
5790         struct swm_region       *r, *rr;
5791         struct ws_win           *winfocus = NULL;
5792         struct timeval          tv;
5793         union arg               a;
5794         char                    conf[PATH_MAX], *cfile = NULL;
5795         struct stat             sb;
5796         XEvent                  e;
5797         int                     xfd, i;
5798         fd_set                  rd;
5799         struct sigaction        sact;
5800
5801         start_argv = argv;
5802         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
5803             SWM_VERSION, cvstag);
5804         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
5805                 warnx("no locale support");
5806
5807         if (!(display = XOpenDisplay(0)))
5808                 errx(1, "can not open display");
5809
5810         if (active_wm())
5811                 errx(1, "other wm running");
5812
5813         /* handle some signals */
5814         bzero(&sact, sizeof(sact));
5815         sigemptyset(&sact.sa_mask);
5816         sact.sa_flags = 0;
5817         sact.sa_handler = sighdlr;
5818         sigaction(SIGINT, &sact, NULL);
5819         sigaction(SIGQUIT, &sact, NULL);
5820         sigaction(SIGTERM, &sact, NULL);
5821         sigaction(SIGHUP, &sact, NULL);
5822
5823         sact.sa_handler = sighdlr;
5824         sact.sa_flags = SA_NOCLDSTOP;
5825         sigaction(SIGCHLD, &sact, NULL);
5826
5827         astate = XInternAtom(display, "WM_STATE", False);
5828         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
5829         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
5830         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
5831         a_wmname = XInternAtom(display, "WM_NAME", False);
5832         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
5833         a_string = XInternAtom(display, "STRING", False);
5834         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
5835
5836         /* look for local and global conf file */
5837         pwd = getpwuid(getuid());
5838         if (pwd == NULL)
5839                 errx(1, "invalid user %d", getuid());
5840
5841         setup_screens();
5842         setup_globals();
5843         setup_keys();
5844         setup_quirks();
5845         setup_spawn();
5846
5847         /* load config */
5848         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
5849         if (stat(conf, &sb) != -1) {
5850                 if (S_ISREG(sb.st_mode))
5851                         cfile = conf;
5852         } else {
5853                 /* try global conf file */
5854                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
5855                 if (!stat(conf, &sb))
5856                         if (S_ISREG(sb.st_mode))
5857                                 cfile = conf;
5858         }
5859         if (cfile)
5860                 conf_load(cfile);
5861
5862         setup_ewmh();
5863         /* set some values to work around bad programs */
5864         workaround();
5865
5866         /* grab existing windows (before we build the bars) */
5867         grab_windows();
5868
5869         /* setup all bars */
5870         for (i = 0; i < ScreenCount(display); i++)
5871                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
5872                         if (winfocus == NULL)
5873                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
5874                         bar_setup(r);
5875                 }
5876
5877         unfocus_all();
5878
5879         grabkeys();
5880         stack();
5881         if (focus_mode == SWM_FOCUS_DEFAULT)
5882                 drain_enter_notify();
5883
5884         xfd = ConnectionNumber(display);
5885         while (running) {
5886                 while (XPending(display)) {
5887                         XNextEvent(display, &e);
5888                         if (running == 0)
5889                                 goto done;
5890                         if (e.type < LASTEvent) {
5891                                 dumpevent(&e);
5892                                 if (handler[e.type])
5893                                         handler[e.type](&e);
5894                                 else
5895                                         DNPRINTF(SWM_D_EVENT,
5896                                             "win: %lu unknown event: %d\n",
5897                                             e.xany.window, e.type);
5898                         } else {
5899                                 switch (e.type - xrandr_eventbase) {
5900                                 case RRScreenChangeNotify:
5901                                         screenchange(&e);
5902                                         break;
5903                                 default:
5904                                         DNPRINTF(SWM_D_EVENT,
5905                                             "win: %lu unknown xrandr event: "
5906                                             "%d\n", e.xany.window, e.type);
5907                                         break;
5908                                 }
5909                         }
5910                 }
5911
5912                 /* if we are being restarted go focus on first window */
5913                 if (winfocus) {
5914                         rr = winfocus->ws->r;
5915                         if (rr == NULL) {
5916                                 /* not a visible window */
5917                                 winfocus = NULL;
5918                                 continue;
5919                         }
5920                         /* move pointer to first screen if multi screen */
5921                         if (ScreenCount(display) > 1 || outputs > 1)
5922                                 XWarpPointer(display, None, rr->s[0].root,
5923                                     0, 0, 0, 0, rr->g.x,
5924                                     rr->g.y + (bar_enabled ? bar_height : 0));
5925
5926                         a.id = SWM_ARG_ID_FOCUSCUR;
5927                         focus(rr, &a);
5928                         winfocus = NULL;
5929                         continue;
5930                 }
5931
5932                 FD_ZERO(&rd);
5933                 FD_SET(xfd, &rd);
5934                 tv.tv_sec = 1;
5935                 tv.tv_usec = 0;
5936                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
5937                         if (errno != EINTR)
5938                                 DNPRINTF(SWM_D_MISC, "select failed");
5939                 if (restart_wm == 1)
5940                         restart(NULL, NULL);
5941                 if (search_resp == 1)
5942                         search_do_resp();
5943                 if (running == 0)
5944                         goto done;
5945                 if (bar_alarm) {
5946                         bar_alarm = 0;
5947                         bar_update();
5948                 }
5949         }
5950 done:
5951         teardown_ewmh();
5952         bar_extra_stop();
5953         XFreeGC(display, bar_gc);
5954         XCloseDisplay(display);
5955
5956         return (0);
5957 }