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