scrotwm.c

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